X-Git-Url: http://nitlanguage.org

diff --git a/c_src/parser_prod.sep.3.c b/c_src/parser_prod.sep.3.c
index 2e0b3de..cb90f0a 100644
--- a/c_src/parser_prod.sep.3.c
+++ b/c_src/parser_prod.sep.3.c
@@ -1,9 +1,183 @@
 #include "parser_prod.sep.0.h"
-/* method parser_prod#ASignature#replace_child for (self: ASignature, ANode, nullable ANode) */
-void parser_prod__ASignature__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AForExpr#init_aforexpr for (self: AForExpr, nullable TKwfor, Collection[Object], nullable AExpr, nullable TKwdo, nullable AExpr, nullable ALabel) */
+void parser_prod__AForExpr__init_aforexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4, val* p5) {
+val* var_n_kwfor /* var n_kwfor: nullable TKwfor */;
+val* var_n_ids /* var n_ids: Collection[Object] */;
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_kwdo /* var n_kwdo: nullable TKwdo */;
+val* var_n_block /* var n_block: nullable AExpr */;
+val* var_n_label /* var n_label: nullable ALabel */;
+val* var /* : ANodes[TId] */;
+val* var3 /* : ANodes[TId] */;
+val* var6 /* : null */;
+short int var7 /* : Bool */;
+short int var8 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var10 /* : Bool */;
+short int var11 /* : Bool */;
+short int var12 /* : Bool */;
+val* var14 /* : null */;
+short int var15 /* : Bool */;
+short int var16 /* : Bool */;
+short int var18 /* : Bool */;
+short int var19 /* : Bool */;
+short int var20 /* : Bool */;
+var_n_kwfor = p0;
+var_n_ids = p1;
+var_n_expr = p2;
+var_n_kwdo = p3;
+var_n_block = p4;
+var_n_label = p5;
+if (unlikely(var_n_kwfor == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2766);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AForExpr___n_kwfor].val = var_n_kwfor; /* _n_kwfor on <self:AForExpr> */
+if (var_n_kwfor == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2767);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwfor,self) on <var_n_kwfor:nullable TKwfor> */
+if (unlikely(var_n_kwfor == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_kwfor->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwfor:nullable TKwfor> */
+RET_LABEL1:(void)0;
+}
+}
+{
+{ /* Inline parser_nodes#AForExpr#n_ids (self) on <self:AForExpr> */
+var3 = self->attrs[COLOR_parser_nodes__AForExpr___n_ids].val; /* _n_ids on <self:AForExpr> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_ids");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 1426);
+show_backtrace(1);
+}
+var = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+parser_nodes__ANodes__unsafe_add_all(var, var_n_ids); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[TId]>*/
+}
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2769);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AForExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AForExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2770);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL4:(void)0;
+}
+}
+if (unlikely(var_n_kwdo == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2771);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AForExpr___n_kwdo].val = var_n_kwdo; /* _n_kwdo on <self:AForExpr> */
+if (var_n_kwdo == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2772);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwdo,self) on <var_n_kwdo:nullable TKwdo> */
+if (unlikely(var_n_kwdo == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_kwdo->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwdo:nullable TKwdo> */
+RET_LABEL5:(void)0;
+}
+}
+self->attrs[COLOR_parser_nodes__AForExpr___n_block].val = var_n_block; /* _n_block on <self:AForExpr> */
+var6 = NULL;
+if (var_n_block == NULL) {
+var7 = 0; /* is null */
+} else {
+var7 = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel#Object#!= (var_n_block,var6) on <var_n_block:nullable AExpr> */
+var_other = var6;
+{
+var11 = ((short int (*)(val*, val*))(var_n_block->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_block, var_other) /* == on <var_n_block:nullable AExpr(AExpr)>*/;
+var10 = var11;
+}
+var12 = !var10;
+var8 = var12;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
+}
+var7 = var8;
+}
+if (var7){
+{
+{ /* Inline parser_nodes#ANode#parent= (var_n_block,self) on <var_n_block:nullable AExpr(AExpr)> */
+var_n_block->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_block:nullable AExpr(AExpr)> */
+RET_LABEL13:(void)0;
+}
+}
+} else {
+}
+self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_n_label; /* _n_label on <self:AForExpr> */
+var14 = NULL;
+if (var_n_label == NULL) {
+var15 = 0; /* is null */
+} else {
+var15 = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel#Object#!= (var_n_label,var14) on <var_n_label:nullable ALabel> */
+var_other = var14;
+{
+var19 = ((short int (*)(val*, val*))(var_n_label->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_label, var_other) /* == on <var_n_label:nullable ALabel(ALabel)>*/;
+var18 = var19;
+}
+var20 = !var18;
+var16 = var20;
+goto RET_LABEL17;
+RET_LABEL17:(void)0;
+}
+var15 = var16;
+}
+if (var15){
+{
+{ /* Inline parser_nodes#ANode#parent= (var_n_label,self) on <var_n_label:nullable ALabel(ALabel)> */
+var_n_label->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_label:nullable ALabel(ALabel)> */
+RET_LABEL21:(void)0;
+}
+}
+} else {
+}
+RET_LABEL:;
+}
+/* method parser_prod#AForExpr#init_aforexpr for (self: Object, nullable TKwfor, Collection[Object], nullable AExpr, nullable TKwdo, nullable AExpr, nullable ALabel) */
+void VIRTUAL_parser_prod__AForExpr__init_aforexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4, val* p5) {
+parser_prod__AForExpr__init_aforexpr(self, p0, p1, p2, p3, p4, p5); /* Direct call parser_prod#AForExpr#init_aforexpr on <self:Object(AForExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AForExpr#replace_child for (self: AForExpr, ANode, nullable ANode) */
+void parser_prod__AForExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : nullable TOpar */;
+val* var /* : TKwfor */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -13,10 +187,10 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : ANodes[AParam] */;
-val* var10 /* : ANodes[AParam] */;
+val* var8 /* : ANodes[TId] */;
+val* var10 /* : ANodes[TId] */;
 short int var11 /* : Bool */;
-val* var12 /* : nullable TCpar */;
+val* var12 /* : AExpr */;
 short int var13 /* : Bool */;
 short int var14 /* : Bool */;
 short int var16 /* : Bool */;
@@ -25,7 +199,7 @@ short int var19 /* : Bool */;
 int cltype20;
 int idtype21;
 const char* var_class_name22;
-val* var23 /* : nullable AType */;
+val* var23 /* : TKwdo */;
 short int var24 /* : Bool */;
 short int var25 /* : Bool */;
 short int var27 /* : Bool */;
@@ -34,16 +208,37 @@ short int var30 /* : Bool */;
 int cltype31;
 int idtype32;
 const char* var_class_name33;
+val* var34 /* : nullable AExpr */;
+short int var35 /* : Bool */;
+short int var36 /* : Bool */;
+short int var38 /* : Bool */;
+short int var40 /* : Bool */;
+short int var41 /* : Bool */;
+int cltype42;
+int idtype43;
+const char* var_class_name44;
+val* var45 /* : nullable ALabel */;
+short int var46 /* : Bool */;
+short int var47 /* : Bool */;
+short int var49 /* : Bool */;
+short int var51 /* : Bool */;
+short int var52 /* : Bool */;
+int cltype53;
+int idtype54;
+const char* var_class_name55;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__ASignature___n_opar].val; /* _n_opar on <self:ASignature> */
-if (var == NULL) {
-var1 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:nullable TOpar> */
+var = self->attrs[COLOR_parser_nodes__AForExpr___n_kwfor].val; /* _n_kwfor on <self:AForExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwfor");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2781);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwfor> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:nullable TOpar(TOpar)> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwfor> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -57,11 +252,11 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa nullable TOpar */
-cltype = type_nullable_parser_nodes__TOpar.color;
-idtype = type_nullable_parser_nodes__TOpar.id;
+/* <var_new_child:nullable ANode> isa TKwfor */
+cltype = type_parser_nodes__TKwfor.color;
+idtype = type_parser_nodes__TKwfor.id;
 if(var_new_child == NULL) {
-var7 = 1;
+var7 = 0;
 } else {
 if(cltype >= var_new_child->type->table_size) {
 var7 = 0;
@@ -71,22 +266,22 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TOpar", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2743);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwfor", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2782);
 show_backtrace(1);
 }
 {
-parser_prod__ASignature__n_opar_61d(self, var_new_child); /* Direct call parser_prod#ASignature#n_opar= on <self:ASignature>*/
+parser_prod__AForExpr__n_kwfor_61d(self, var_new_child); /* Direct call parser_prod#AForExpr#n_kwfor= on <self:AForExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 {
-{ /* Inline parser_nodes#ASignature#n_params (self) on <self:ASignature> */
-var10 = self->attrs[COLOR_parser_nodes__ASignature___n_params].val; /* _n_params on <self:ASignature> */
+{ /* Inline parser_nodes#AForExpr#n_ids (self) on <self:AForExpr> */
+var10 = self->attrs[COLOR_parser_nodes__AForExpr___n_ids].val; /* _n_ids on <self:AForExpr> */
 if (unlikely(var10 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_params");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 1360);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_ids");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 1426);
 show_backtrace(1);
 }
 var8 = var10;
@@ -100,14 +295,17 @@ if (var11){
 goto RET_LABEL;
 } else {
 }
-var12 = self->attrs[COLOR_parser_nodes__ASignature___n_cpar].val; /* _n_cpar on <self:ASignature> */
-if (var12 == NULL) {
-var13 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var12,var_old_child) on <var12:nullable TCpar> */
+var12 = self->attrs[COLOR_parser_nodes__AForExpr___n_expr].val; /* _n_expr on <self:AForExpr> */
+if (unlikely(var12 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2786);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var12,var_old_child) on <var12:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var12,var_other) on <var12:nullable TCpar(TCpar)> */
+{ /* Inline kernel#Object#is_same_instance (var12,var_other) on <var12:AExpr> */
 var18 = var12 == var_other;
 var16 = var18;
 goto RET_LABEL17;
@@ -121,11 +319,11 @@ RET_LABEL15:(void)0;
 var13 = var14;
 }
 if (var13){
-/* <var_new_child:nullable ANode> isa nullable TCpar */
-cltype20 = type_nullable_parser_nodes__TCpar.color;
-idtype21 = type_nullable_parser_nodes__TCpar.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype20 = type_parser_nodes__AExpr.color;
+idtype21 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var19 = 1;
+var19 = 0;
 } else {
 if(cltype20 >= var_new_child->type->table_size) {
 var19 = 0;
@@ -135,24 +333,27 @@ var19 = var_new_child->type->type_table[cltype20] == idtype21;
 }
 if (unlikely(!var19)) {
 var_class_name22 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TCpar", var_class_name22);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2748);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name22);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2787);
 show_backtrace(1);
 }
 {
-parser_prod__ASignature__n_cpar_61d(self, var_new_child); /* Direct call parser_prod#ASignature#n_cpar= on <self:ASignature>*/
+parser_prod__AForExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AForExpr#n_expr= on <self:AForExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var23 = self->attrs[COLOR_parser_nodes__ASignature___n_type].val; /* _n_type on <self:ASignature> */
-if (var23 == NULL) {
-var24 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var23,var_old_child) on <var23:nullable AType> */
+var23 = self->attrs[COLOR_parser_nodes__AForExpr___n_kwdo].val; /* _n_kwdo on <self:AForExpr> */
+if (unlikely(var23 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdo");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2790);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var23,var_old_child) on <var23:TKwdo> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var23,var_other) on <var23:nullable AType(AType)> */
+{ /* Inline kernel#Object#is_same_instance (var23,var_other) on <var23:TKwdo> */
 var29 = var23 == var_other;
 var27 = var29;
 goto RET_LABEL28;
@@ -166,11 +367,11 @@ RET_LABEL26:(void)0;
 var24 = var25;
 }
 if (var24){
-/* <var_new_child:nullable ANode> isa nullable AType */
-cltype31 = type_nullable_parser_nodes__AType.color;
-idtype32 = type_nullable_parser_nodes__AType.id;
+/* <var_new_child:nullable ANode> isa TKwdo */
+cltype31 = type_parser_nodes__TKwdo.color;
+idtype32 = type_parser_nodes__TKwdo.id;
 if(var_new_child == NULL) {
-var30 = 1;
+var30 = 0;
 } else {
 if(cltype31 >= var_new_child->type->table_size) {
 var30 = 0;
@@ -180,74 +381,170 @@ var30 = var_new_child->type->type_table[cltype31] == idtype32;
 }
 if (unlikely(!var30)) {
 var_class_name33 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AType", var_class_name33);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2752);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwdo", var_class_name33);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2791);
 show_backtrace(1);
 }
 {
-parser_prod__ASignature__n_type_61d(self, var_new_child); /* Direct call parser_prod#ASignature#n_type= on <self:ASignature>*/
+parser_prod__AForExpr__n_kwdo_61d(self, var_new_child); /* Direct call parser_prod#AForExpr#n_kwdo= on <self:AForExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-RET_LABEL:;
+var34 = self->attrs[COLOR_parser_nodes__AForExpr___n_block].val; /* _n_block on <self:AForExpr> */
+if (var34 == NULL) {
+var35 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var34,var_old_child) on <var34:nullable AExpr> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var34,var_other) on <var34:nullable AExpr(AExpr)> */
+var40 = var34 == var_other;
+var38 = var40;
+goto RET_LABEL39;
+RET_LABEL39:(void)0;
 }
-/* method parser_prod#ASignature#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__ASignature__replace_child(val* self, val* p0, val* p1) {
-parser_prod__ASignature__replace_child(self, p0, p1); /* Direct call parser_prod#ASignature#replace_child on <self:Object(ASignature)>*/
-RET_LABEL:;
 }
-/* method parser_prod#ASignature#n_opar= for (self: ASignature, nullable TOpar) */
-void parser_prod__ASignature__n_opar_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TOpar */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__ASignature___n_opar].val = var_node; /* _n_opar on <self:ASignature> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
+var36 = var38;
+goto RET_LABEL37;
+RET_LABEL37:(void)0;
+}
+var35 = var36;
+}
+if (var35){
+/* <var_new_child:nullable ANode> isa nullable AExpr */
+cltype42 = type_nullable_parser_nodes__AExpr.color;
+idtype43 = type_nullable_parser_nodes__AExpr.id;
+if(var_new_child == NULL) {
+var41 = 1;
 } else {
-var1 = 1; /* arg is null and recv is not */
+if(cltype42 >= var_new_child->type->table_size) {
+var41 = 0;
+} else {
+var41 = var_new_child->type->type_table[cltype42] == idtype43;
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TOpar> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TOpar(TOpar)>*/;
-var4 = var5;
 }
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+if (unlikely(!var41)) {
+var_class_name44 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AExpr", var_class_name44);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2795);
+show_backtrace(1);
 }
-var1 = var2;
+{
+parser_prod__AForExpr__n_block_61d(self, var_new_child); /* Direct call parser_prod#AForExpr#n_block= on <self:AForExpr>*/
 }
-if (var1){
+goto RET_LABEL;
+} else {
+}
+var45 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:AForExpr> */
+if (var45 == NULL) {
+var46 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var45,var_old_child) on <var45:nullable ALabel> */
+var_other = var_old_child;
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TOpar(TOpar)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TOpar(TOpar)> */
-RET_LABEL7:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var45,var_other) on <var45:nullable ALabel(ALabel)> */
+var51 = var45 == var_other;
+var49 = var51;
+goto RET_LABEL50;
+RET_LABEL50:(void)0;
+}
+}
+var47 = var49;
+goto RET_LABEL48;
+RET_LABEL48:(void)0;
+}
+var46 = var47;
+}
+if (var46){
+/* <var_new_child:nullable ANode> isa nullable ALabel */
+cltype53 = type_nullable_parser_nodes__ALabel.color;
+idtype54 = type_nullable_parser_nodes__ALabel.id;
+if(var_new_child == NULL) {
+var52 = 1;
+} else {
+if(cltype53 >= var_new_child->type->table_size) {
+var52 = 0;
+} else {
+var52 = var_new_child->type->type_table[cltype53] == idtype54;
+}
+}
+if (unlikely(!var52)) {
+var_class_name55 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable ALabel", var_class_name55);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2799);
+show_backtrace(1);
 }
+{
+parser_prod__AForExpr__n_label_61d(self, var_new_child); /* Direct call parser_prod#AForExpr#n_label= on <self:AForExpr>*/
 }
+goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASignature#n_opar= for (self: Object, nullable TOpar) */
-void VIRTUAL_parser_prod__ASignature__n_opar_61d(val* self, val* p0) {
-parser_prod__ASignature__n_opar_61d(self, p0); /* Direct call parser_prod#ASignature#n_opar= on <self:Object(ASignature)>*/
+/* method parser_prod#AForExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AForExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AForExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AForExpr#replace_child on <self:Object(AForExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AForExpr#n_kwfor= for (self: AForExpr, TKwfor) */
+void parser_prod__AForExpr__n_kwfor_61d(val* self, val* p0) {
+val* var_node /* var node: TKwfor */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AForExpr___n_kwfor].val = var_node; /* _n_kwfor on <self:AForExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwfor> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwfor> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AForExpr#n_kwfor= for (self: Object, TKwfor) */
+void VIRTUAL_parser_prod__AForExpr__n_kwfor_61d(val* self, val* p0) {
+parser_prod__AForExpr__n_kwfor_61d(self, p0); /* Direct call parser_prod#AForExpr#n_kwfor= on <self:Object(AForExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AForExpr#n_expr= for (self: AForExpr, AExpr) */
+void parser_prod__AForExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AForExpr___n_expr].val = var_node; /* _n_expr on <self:AForExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AForExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AForExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AForExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AForExpr#n_expr= on <self:Object(AForExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AForExpr#n_kwdo= for (self: AForExpr, TKwdo) */
+void parser_prod__AForExpr__n_kwdo_61d(val* self, val* p0) {
+val* var_node /* var node: TKwdo */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AForExpr___n_kwdo].val = var_node; /* _n_kwdo on <self:AForExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwdo> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwdo> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AForExpr#n_kwdo= for (self: Object, TKwdo) */
+void VIRTUAL_parser_prod__AForExpr__n_kwdo_61d(val* self, val* p0) {
+parser_prod__AForExpr__n_kwdo_61d(self, p0); /* Direct call parser_prod#AForExpr#n_kwdo= on <self:Object(AForExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ASignature#n_cpar= for (self: ASignature, nullable TCpar) */
-void parser_prod__ASignature__n_cpar_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TCpar */;
+/* method parser_prod#AForExpr#n_block= for (self: AForExpr, nullable AExpr) */
+void parser_prod__AForExpr__n_block_61d(val* self, val* p0) {
+val* var_node /* var node: nullable AExpr */;
 val* var /* : null */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
@@ -256,7 +553,7 @@ short int var4 /* : Bool */;
 short int var5 /* : Bool */;
 short int var6 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ASignature___n_cpar].val = var_node; /* _n_cpar on <self:ASignature> */
+self->attrs[COLOR_parser_nodes__AForExpr___n_block].val = var_node; /* _n_block on <self:AForExpr> */
 var = NULL;
 if (var_node == NULL) {
 var1 = 0; /* is null */
@@ -264,10 +561,10 @@ var1 = 0; /* is null */
 var1 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TCpar> */
+{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AExpr> */
 var_other = var;
 {
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TCpar(TCpar)>*/;
+var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AExpr(AExpr)>*/;
 var4 = var5;
 }
 var6 = !var4;
@@ -279,8 +576,8 @@ var1 = var2;
 }
 if (var1){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TCpar(TCpar)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TCpar(TCpar)> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AExpr(AExpr)> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AExpr(AExpr)> */
 RET_LABEL7:(void)0;
 }
 }
@@ -288,14 +585,14 @@ RET_LABEL7:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASignature#n_cpar= for (self: Object, nullable TCpar) */
-void VIRTUAL_parser_prod__ASignature__n_cpar_61d(val* self, val* p0) {
-parser_prod__ASignature__n_cpar_61d(self, p0); /* Direct call parser_prod#ASignature#n_cpar= on <self:Object(ASignature)>*/
+/* method parser_prod#AForExpr#n_block= for (self: Object, nullable AExpr) */
+void VIRTUAL_parser_prod__AForExpr__n_block_61d(val* self, val* p0) {
+parser_prod__AForExpr__n_block_61d(self, p0); /* Direct call parser_prod#AForExpr#n_block= on <self:Object(AForExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ASignature#n_type= for (self: ASignature, nullable AType) */
-void parser_prod__ASignature__n_type_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AType */;
+/* method parser_prod#AForExpr#n_label= for (self: AForExpr, nullable ALabel) */
+void parser_prod__AForExpr__n_label_61d(val* self, val* p0) {
+val* var_node /* var node: nullable ALabel */;
 val* var /* : null */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
@@ -304,7 +601,7 @@ short int var4 /* : Bool */;
 short int var5 /* : Bool */;
 short int var6 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ASignature___n_type].val = var_node; /* _n_type on <self:ASignature> */
+self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_node; /* _n_label on <self:AForExpr> */
 var = NULL;
 if (var_node == NULL) {
 var1 = 0; /* is null */
@@ -312,10 +609,10 @@ var1 = 0; /* is null */
 var1 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AType> */
+{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable ALabel> */
 var_other = var;
 {
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AType(AType)>*/;
+var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable ALabel(ALabel)>*/;
 var4 = var5;
 }
 var6 = !var4;
@@ -327,8 +624,8 @@ var1 = var2;
 }
 if (var1){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AType(AType)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AType(AType)> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable ALabel(ALabel)> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable ALabel(ALabel)> */
 RET_LABEL7:(void)0;
 }
 }
@@ -336,30 +633,37 @@ RET_LABEL7:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ASignature#n_type= for (self: Object, nullable AType) */
-void VIRTUAL_parser_prod__ASignature__n_type_61d(val* self, val* p0) {
-parser_prod__ASignature__n_type_61d(self, p0); /* Direct call parser_prod#ASignature#n_type= on <self:Object(ASignature)>*/
+/* method parser_prod#AForExpr#n_label= for (self: Object, nullable ALabel) */
+void VIRTUAL_parser_prod__AForExpr__n_label_61d(val* self, val* p0) {
+parser_prod__AForExpr__n_label_61d(self, p0); /* Direct call parser_prod#AForExpr#n_label= on <self:Object(AForExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ASignature#visit_all for (self: ASignature, Visitor) */
-void parser_prod__ASignature__visit_all(val* self, val* p0) {
+/* method parser_prod#AForExpr#visit_all for (self: AForExpr, Visitor) */
+void parser_prod__AForExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : nullable TOpar */;
-val* var1 /* : ANodes[AParam] */;
-val* var3 /* : ANodes[AParam] */;
-val* var4 /* : nullable TCpar */;
-val* var5 /* : nullable AType */;
+val* var /* : TKwfor */;
+val* var1 /* : ANodes[TId] */;
+val* var3 /* : ANodes[TId] */;
+val* var4 /* : AExpr */;
+val* var5 /* : TKwdo */;
+val* var6 /* : nullable AExpr */;
+val* var7 /* : nullable ALabel */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__ASignature___n_opar].val; /* _n_opar on <self:ASignature> */
+var = self->attrs[COLOR_parser_nodes__AForExpr___n_kwfor].val; /* _n_kwfor on <self:AForExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwfor");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2833);
+show_backtrace(1);
+}
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 {
-{ /* Inline parser_nodes#ASignature#n_params (self) on <self:ASignature> */
-var3 = self->attrs[COLOR_parser_nodes__ASignature___n_params].val; /* _n_params on <self:ASignature> */
+{ /* Inline parser_nodes#AForExpr#n_ids (self) on <self:AForExpr> */
+var3 = self->attrs[COLOR_parser_nodes__AForExpr___n_ids].val; /* _n_ids on <self:AForExpr> */
 if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_params");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 1360);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_ids");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 1426);
 show_backtrace(1);
 }
 var1 = var3;
@@ -367,29 +671,47 @@ RET_LABEL2:(void)0;
 }
 }
 {
-parser_nodes__ANodes__visit_all(var1, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var1:ANodes[AParam]>*/
+parser_nodes__ANodes__visit_all(var1, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var1:ANodes[TId]>*/
+}
+var4 = self->attrs[COLOR_parser_nodes__AForExpr___n_expr].val; /* _n_expr on <self:AForExpr> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2835);
+show_backtrace(1);
 }
-var4 = self->attrs[COLOR_parser_nodes__ASignature___n_cpar].val; /* _n_cpar on <self:ASignature> */
 {
 parser_nodes__Visitor__enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var5 = self->attrs[COLOR_parser_nodes__ASignature___n_type].val; /* _n_type on <self:ASignature> */
+var5 = self->attrs[COLOR_parser_nodes__AForExpr___n_kwdo].val; /* _n_kwdo on <self:AForExpr> */
+if (unlikely(var5 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdo");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2836);
+show_backtrace(1);
+}
 {
 parser_nodes__Visitor__enter_visit(var_v, var5); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+var6 = self->attrs[COLOR_parser_nodes__AForExpr___n_block].val; /* _n_block on <self:AForExpr> */
+{
+parser_nodes__Visitor__enter_visit(var_v, var6); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var7 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:AForExpr> */
+{
+parser_nodes__Visitor__enter_visit(var_v, var7); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
 RET_LABEL:;
 }
-/* method parser_prod#ASignature#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__ASignature__visit_all(val* self, val* p0) {
-parser_prod__ASignature__visit_all(self, p0); /* Direct call parser_prod#ASignature#visit_all on <self:Object(ASignature)>*/
+/* method parser_prod#AForExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AForExpr__visit_all(val* self, val* p0) {
+parser_prod__AForExpr__visit_all(self, p0); /* Direct call parser_prod#AForExpr#visit_all on <self:Object(AForExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AParam#init_aparam for (self: AParam, nullable TId, nullable AType, nullable TDotdotdot, nullable AAnnotations) */
-void parser_prod__AParam__init_aparam(val* self, val* p0, val* p1, val* p2, val* p3) {
+/* method parser_prod#AAssertExpr#init_aassertexpr for (self: AAssertExpr, nullable TKwassert, nullable TId, nullable AExpr, nullable AExpr) */
+void parser_prod__AAssertExpr__init_aassertexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
+val* var_n_kwassert /* var n_kwassert: nullable TKwassert */;
 val* var_n_id /* var n_id: nullable TId */;
-val* var_n_type /* var n_type: nullable AType */;
-val* var_n_dotdotdot /* var n_dotdotdot: nullable TDotdotdot */;
-val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_else /* var n_else: nullable AExpr */;
 val* var /* : null */;
 short int var2 /* : Bool */;
 short int var3 /* : Bool */;
@@ -397,55 +719,49 @@ val* var_other /* var other: nullable Object */;
 short int var5 /* : Bool */;
 short int var6 /* : Bool */;
 short int var7 /* : Bool */;
-val* var9 /* : null */;
-short int var10 /* : Bool */;
+val* var10 /* : null */;
 short int var11 /* : Bool */;
-short int var13 /* : Bool */;
+short int var12 /* : Bool */;
 short int var14 /* : Bool */;
 short int var15 /* : Bool */;
-val* var17 /* : null */;
-short int var18 /* : Bool */;
-short int var19 /* : Bool */;
-short int var21 /* : Bool */;
-short int var22 /* : Bool */;
-short int var23 /* : Bool */;
-var_n_id = p0;
-var_n_type = p1;
-var_n_dotdotdot = p2;
-var_n_annotations = p3;
-if (unlikely(var_n_id == NULL)) {
+short int var16 /* : Bool */;
+var_n_kwassert = p0;
+var_n_id = p1;
+var_n_expr = p2;
+var_n_else = p3;
+if (unlikely(var_n_kwassert == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2790);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2849);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AParam___n_id].val = var_n_id; /* _n_id on <self:AParam> */
-if (var_n_id == NULL) {
+self->attrs[COLOR_parser_nodes__AAssertExpr___n_kwassert].val = var_n_kwassert; /* _n_kwassert on <self:AAssertExpr> */
+if (var_n_kwassert == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2791);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2850);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId> */
-if (unlikely(var_n_id == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwassert,self) on <var_n_kwassert:nullable TKwassert> */
+if (unlikely(var_n_kwassert == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId> */
+var_n_kwassert->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwassert:nullable TKwassert> */
 RET_LABEL1:(void)0;
 }
 }
-self->attrs[COLOR_parser_nodes__AParam___n_type].val = var_n_type; /* _n_type on <self:AParam> */
+self->attrs[COLOR_parser_nodes__AAssertExpr___n_id].val = var_n_id; /* _n_id on <self:AAssertExpr> */
 var = NULL;
-if (var_n_type == NULL) {
+if (var_n_id == NULL) {
 var2 = 0; /* is null */
 } else {
 var2 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_n_type,var) on <var_n_type:nullable AType> */
+{ /* Inline kernel#Object#!= (var_n_id,var) on <var_n_id:nullable TId> */
 var_other = var;
 {
-var6 = ((short int (*)(val*, val*))(var_n_type->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_type, var_other) /* == on <var_n_type:nullable AType(AType)>*/;
+var6 = ((short int (*)(val*, val*))(var_n_id->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_id, var_other) /* == on <var_n_id:nullable TId(TId)>*/;
 var5 = var6;
 }
 var7 = !var5;
@@ -457,85 +773,76 @@ var2 = var3;
 }
 if (var2){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType(AType)> */
-var_n_type->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType(AType)> */
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId(TId)> */
+var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId(TId)> */
 RET_LABEL8:(void)0;
 }
 }
 } else {
 }
-self->attrs[COLOR_parser_nodes__AParam___n_dotdotdot].val = var_n_dotdotdot; /* _n_dotdotdot on <self:AParam> */
-var9 = NULL;
-if (var_n_dotdotdot == NULL) {
-var10 = 0; /* is null */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2853);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AAssertExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AAssertExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2854);
+show_backtrace(1);
 } else {
-var10 = 1; /* arg is null and recv is not */
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_dotdotdot,var9) on <var_n_dotdotdot:nullable TDotdotdot> */
-var_other = var9;
-{
-var14 = ((short int (*)(val*, val*))(var_n_dotdotdot->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_dotdotdot, var_other) /* == on <var_n_dotdotdot:nullable TDotdotdot(TDotdotdot)>*/;
-var13 = var14;
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL9:(void)0;
 }
-var15 = !var13;
-var11 = var15;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
 }
-var10 = var11;
-}
-if (var10){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_dotdotdot,self) on <var_n_dotdotdot:nullable TDotdotdot(TDotdotdot)> */
-var_n_dotdotdot->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_dotdotdot:nullable TDotdotdot(TDotdotdot)> */
-RET_LABEL16:(void)0;
-}
-}
-} else {
-}
-self->attrs[COLOR_parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AParam> */
-var17 = NULL;
-if (var_n_annotations == NULL) {
-var18 = 0; /* is null */
+self->attrs[COLOR_parser_nodes__AAssertExpr___n_else].val = var_n_else; /* _n_else on <self:AAssertExpr> */
+var10 = NULL;
+if (var_n_else == NULL) {
+var11 = 0; /* is null */
 } else {
-var18 = 1; /* arg is null and recv is not */
+var11 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_n_annotations,var17) on <var_n_annotations:nullable AAnnotations> */
-var_other = var17;
+{ /* Inline kernel#Object#!= (var_n_else,var10) on <var_n_else:nullable AExpr> */
+var_other = var10;
 {
-var22 = ((short int (*)(val*, val*))(var_n_annotations->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_annotations, var_other) /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/;
-var21 = var22;
+var15 = ((short int (*)(val*, val*))(var_n_else->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_else, var_other) /* == on <var_n_else:nullable AExpr(AExpr)>*/;
+var14 = var15;
 }
-var23 = !var21;
-var19 = var23;
-goto RET_LABEL20;
-RET_LABEL20:(void)0;
+var16 = !var14;
+var12 = var16;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
-var18 = var19;
+var11 = var12;
 }
-if (var18){
+if (var11){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-RET_LABEL24:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_n_else,self) on <var_n_else:nullable AExpr(AExpr)> */
+var_n_else->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_else:nullable AExpr(AExpr)> */
+RET_LABEL17:(void)0;
 }
 }
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParam#init_aparam for (self: Object, nullable TId, nullable AType, nullable TDotdotdot, nullable AAnnotations) */
-void VIRTUAL_parser_prod__AParam__init_aparam(val* self, val* p0, val* p1, val* p2, val* p3) {
-parser_prod__AParam__init_aparam(self, p0, p1, p2, p3); /* Direct call parser_prod#AParam#init_aparam on <self:Object(AParam)>*/
+/* method parser_prod#AAssertExpr#init_aassertexpr for (self: Object, nullable TKwassert, nullable TId, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AAssertExpr__init_aassertexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
+parser_prod__AAssertExpr__init_aassertexpr(self, p0, p1, p2, p3); /* Direct call parser_prod#AAssertExpr#init_aassertexpr on <self:Object(AAssertExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AParam#replace_child for (self: AParam, ANode, nullable ANode) */
-void parser_prod__AParam__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AAssertExpr#replace_child for (self: AAssertExpr, ANode, nullable ANode) */
+void parser_prod__AAssertExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TId */;
+val* var /* : TKwassert */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -545,7 +852,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : nullable AType */;
+val* var8 /* : nullable TId */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -554,7 +861,7 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
-val* var19 /* : nullable TDotdotdot */;
+val* var19 /* : AExpr */;
 short int var20 /* : Bool */;
 short int var21 /* : Bool */;
 short int var23 /* : Bool */;
@@ -563,7 +870,7 @@ short int var26 /* : Bool */;
 int cltype27;
 int idtype28;
 const char* var_class_name29;
-val* var30 /* : nullable AAnnotations */;
+val* var30 /* : nullable AExpr */;
 short int var31 /* : Bool */;
 short int var32 /* : Bool */;
 short int var34 /* : Bool */;
@@ -574,17 +881,17 @@ int idtype39;
 const char* var_class_name40;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AParam___n_id].val; /* _n_id on <self:AParam> */
+var = self->attrs[COLOR_parser_nodes__AAssertExpr___n_kwassert].val; /* _n_kwassert on <self:AAssertExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2802);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwassert");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2861);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TId> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwassert> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TId> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwassert> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -598,9 +905,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TId */
-cltype = type_parser_nodes__TId.color;
-idtype = type_parser_nodes__TId.id;
+/* <var_new_child:nullable ANode> isa TKwassert */
+cltype = type_parser_nodes__TKwassert.color;
+idtype = type_parser_nodes__TKwassert.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -612,24 +919,24 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TId", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2803);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwassert", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2862);
 show_backtrace(1);
 }
 {
-parser_prod__AParam__n_id_61d(self, var_new_child); /* Direct call parser_prod#AParam#n_id= on <self:AParam>*/
+parser_prod__AAssertExpr__n_kwassert_61d(self, var_new_child); /* Direct call parser_prod#AAssertExpr#n_kwassert= on <self:AAssertExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AParam___n_type].val; /* _n_type on <self:AParam> */
+var8 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_id].val; /* _n_id on <self:AAssertExpr> */
 if (var8 == NULL) {
 var9 = 0; /* <var_old_child:ANode> cannot be null */
 } else {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:nullable AType> */
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:nullable TId> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:nullable AType(AType)> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:nullable TId(TId)> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -643,9 +950,9 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa nullable AType */
-cltype16 = type_nullable_parser_nodes__AType.color;
-idtype17 = type_nullable_parser_nodes__AType.id;
+/* <var_new_child:nullable ANode> isa nullable TId */
+cltype16 = type_nullable_parser_nodes__TId.color;
+idtype17 = type_nullable_parser_nodes__TId.id;
 if(var_new_child == NULL) {
 var15 = 1;
 } else {
@@ -657,24 +964,27 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AType", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2807);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TId", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2866);
 show_backtrace(1);
 }
 {
-parser_prod__AParam__n_type_61d(self, var_new_child); /* Direct call parser_prod#AParam#n_type= on <self:AParam>*/
+parser_prod__AAssertExpr__n_id_61d(self, var_new_child); /* Direct call parser_prod#AAssertExpr#n_id= on <self:AAssertExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var19 = self->attrs[COLOR_parser_nodes__AParam___n_dotdotdot].val; /* _n_dotdotdot on <self:AParam> */
-if (var19 == NULL) {
-var20 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:nullable TDotdotdot> */
+var19 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_expr].val; /* _n_expr on <self:AAssertExpr> */
+if (unlikely(var19 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2869);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:nullable TDotdotdot(TDotdotdot)> */
+{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:AExpr> */
 var25 = var19 == var_other;
 var23 = var25;
 goto RET_LABEL24;
@@ -688,11 +998,11 @@ RET_LABEL22:(void)0;
 var20 = var21;
 }
 if (var20){
-/* <var_new_child:nullable ANode> isa nullable TDotdotdot */
-cltype27 = type_nullable_parser_nodes__TDotdotdot.color;
-idtype28 = type_nullable_parser_nodes__TDotdotdot.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype27 = type_parser_nodes__AExpr.color;
+idtype28 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var26 = 1;
+var26 = 0;
 } else {
 if(cltype27 >= var_new_child->type->table_size) {
 var26 = 0;
@@ -702,24 +1012,24 @@ var26 = var_new_child->type->type_table[cltype27] == idtype28;
 }
 if (unlikely(!var26)) {
 var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TDotdotdot", var_class_name29);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2811);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name29);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2870);
 show_backtrace(1);
 }
 {
-parser_prod__AParam__n_dotdotdot_61d(self, var_new_child); /* Direct call parser_prod#AParam#n_dotdotdot= on <self:AParam>*/
+parser_prod__AAssertExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AAssertExpr#n_expr= on <self:AAssertExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var30 = self->attrs[COLOR_parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AParam> */
+var30 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_else].val; /* _n_else on <self:AAssertExpr> */
 if (var30 == NULL) {
 var31 = 0; /* <var_old_child:ANode> cannot be null */
 } else {
-{ /* Inline kernel#Object#== (var30,var_old_child) on <var30:nullable AAnnotations> */
+{ /* Inline kernel#Object#== (var30,var_old_child) on <var30:nullable AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var30,var_other) on <var30:nullable AAnnotations(AAnnotations)> */
+{ /* Inline kernel#Object#is_same_instance (var30,var_other) on <var30:nullable AExpr(AExpr)> */
 var36 = var30 == var_other;
 var34 = var36;
 goto RET_LABEL35;
@@ -733,9 +1043,9 @@ RET_LABEL33:(void)0;
 var31 = var32;
 }
 if (var31){
-/* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype38 = type_nullable_parser_nodes__AAnnotations.color;
-idtype39 = type_nullable_parser_nodes__AAnnotations.id;
+/* <var_new_child:nullable ANode> isa nullable AExpr */
+cltype38 = type_nullable_parser_nodes__AExpr.color;
+idtype39 = type_nullable_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var37 = 1;
 } else {
@@ -747,44 +1057,44 @@ var37 = var_new_child->type->type_table[cltype38] == idtype39;
 }
 if (unlikely(!var37)) {
 var_class_name40 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name40);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2815);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AExpr", var_class_name40);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2874);
 show_backtrace(1);
 }
 {
-parser_prod__AParam__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AParam#n_annotations= on <self:AParam>*/
+parser_prod__AAssertExpr__n_else_61d(self, var_new_child); /* Direct call parser_prod#AAssertExpr#n_else= on <self:AAssertExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParam#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AParam__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AParam__replace_child(self, p0, p1); /* Direct call parser_prod#AParam#replace_child on <self:Object(AParam)>*/
+/* method parser_prod#AAssertExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AAssertExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AAssertExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AAssertExpr#replace_child on <self:Object(AAssertExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AParam#n_id= for (self: AParam, TId) */
-void parser_prod__AParam__n_id_61d(val* self, val* p0) {
-val* var_node /* var node: TId */;
+/* method parser_prod#AAssertExpr#n_kwassert= for (self: AAssertExpr, TKwassert) */
+void parser_prod__AAssertExpr__n_kwassert_61d(val* self, val* p0) {
+val* var_node /* var node: TKwassert */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AParam___n_id].val = var_node; /* _n_id on <self:AParam> */
+self->attrs[COLOR_parser_nodes__AAssertExpr___n_kwassert].val = var_node; /* _n_kwassert on <self:AAssertExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TId> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TId> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwassert> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwassert> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParam#n_id= for (self: Object, TId) */
-void VIRTUAL_parser_prod__AParam__n_id_61d(val* self, val* p0) {
-parser_prod__AParam__n_id_61d(self, p0); /* Direct call parser_prod#AParam#n_id= on <self:Object(AParam)>*/
+/* method parser_prod#AAssertExpr#n_kwassert= for (self: Object, TKwassert) */
+void VIRTUAL_parser_prod__AAssertExpr__n_kwassert_61d(val* self, val* p0) {
+parser_prod__AAssertExpr__n_kwassert_61d(self, p0); /* Direct call parser_prod#AAssertExpr#n_kwassert= on <self:Object(AAssertExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AParam#n_type= for (self: AParam, nullable AType) */
-void parser_prod__AParam__n_type_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AType */;
+/* method parser_prod#AAssertExpr#n_id= for (self: AAssertExpr, nullable TId) */
+void parser_prod__AAssertExpr__n_id_61d(val* self, val* p0) {
+val* var_node /* var node: nullable TId */;
 val* var /* : null */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
@@ -793,7 +1103,7 @@ short int var4 /* : Bool */;
 short int var5 /* : Bool */;
 short int var6 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AParam___n_type].val = var_node; /* _n_type on <self:AParam> */
+self->attrs[COLOR_parser_nodes__AAssertExpr___n_id].val = var_node; /* _n_id on <self:AAssertExpr> */
 var = NULL;
 if (var_node == NULL) {
 var1 = 0; /* is null */
@@ -801,10 +1111,10 @@ var1 = 0; /* is null */
 var1 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AType> */
+{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TId> */
 var_other = var;
 {
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AType(AType)>*/;
+var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TId(TId)>*/;
 var4 = var5;
 }
 var6 = !var4;
@@ -816,8 +1126,8 @@ var1 = var2;
 }
 if (var1){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AType(AType)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AType(AType)> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TId(TId)> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TId(TId)> */
 RET_LABEL7:(void)0;
 }
 }
@@ -825,62 +1135,32 @@ RET_LABEL7:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParam#n_type= for (self: Object, nullable AType) */
-void VIRTUAL_parser_prod__AParam__n_type_61d(val* self, val* p0) {
-parser_prod__AParam__n_type_61d(self, p0); /* Direct call parser_prod#AParam#n_type= on <self:Object(AParam)>*/
+/* method parser_prod#AAssertExpr#n_id= for (self: Object, nullable TId) */
+void VIRTUAL_parser_prod__AAssertExpr__n_id_61d(val* self, val* p0) {
+parser_prod__AAssertExpr__n_id_61d(self, p0); /* Direct call parser_prod#AAssertExpr#n_id= on <self:Object(AAssertExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AParam#n_dotdotdot= for (self: AParam, nullable TDotdotdot) */
-void parser_prod__AParam__n_dotdotdot_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TDotdotdot */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#AAssertExpr#n_expr= for (self: AAssertExpr, AExpr) */
+void parser_prod__AAssertExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AParam___n_dotdotdot].val = var_node; /* _n_dotdotdot on <self:AParam> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TDotdotdot> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TDotdotdot(TDotdotdot)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
+self->attrs[COLOR_parser_nodes__AAssertExpr___n_expr].val = var_node; /* _n_expr on <self:AAssertExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TDotdotdot(TDotdotdot)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TDotdotdot(TDotdotdot)> */
-RET_LABEL7:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParam#n_dotdotdot= for (self: Object, nullable TDotdotdot) */
-void VIRTUAL_parser_prod__AParam__n_dotdotdot_61d(val* self, val* p0) {
-parser_prod__AParam__n_dotdotdot_61d(self, p0); /* Direct call parser_prod#AParam#n_dotdotdot= on <self:Object(AParam)>*/
+/* method parser_prod#AAssertExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AAssertExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AAssertExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AAssertExpr#n_expr= on <self:Object(AAssertExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AParam#n_annotations= for (self: AParam, nullable AAnnotations) */
-void parser_prod__AParam__n_annotations_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AAnnotations */;
+/* method parser_prod#AAssertExpr#n_else= for (self: AAssertExpr, nullable AExpr) */
+void parser_prod__AAssertExpr__n_else_61d(val* self, val* p0) {
+val* var_node /* var node: nullable AExpr */;
 val* var /* : null */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
@@ -889,7 +1169,7 @@ short int var4 /* : Bool */;
 short int var5 /* : Bool */;
 short int var6 /* : Bool */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AParam> */
+self->attrs[COLOR_parser_nodes__AAssertExpr___n_else].val = var_node; /* _n_else on <self:AAssertExpr> */
 var = NULL;
 if (var_node == NULL) {
 var1 = 0; /* is null */
@@ -897,10 +1177,10 @@ var1 = 0; /* is null */
 var1 = 1; /* arg is null and recv is not */
 }
 if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AAnnotations> */
+{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AExpr> */
 var_other = var;
 {
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AAnnotations(AAnnotations)>*/;
+var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AExpr(AExpr)>*/;
 var4 = var5;
 }
 var6 = !var4;
@@ -912,8 +1192,8 @@ var1 = var2;
 }
 if (var1){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AExpr(AExpr)> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AExpr(AExpr)> */
 RET_LABEL7:(void)0;
 }
 }
@@ -921,180 +1201,112 @@ RET_LABEL7:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParam#n_annotations= for (self: Object, nullable AAnnotations) */
-void VIRTUAL_parser_prod__AParam__n_annotations_61d(val* self, val* p0) {
-parser_prod__AParam__n_annotations_61d(self, p0); /* Direct call parser_prod#AParam#n_annotations= on <self:Object(AParam)>*/
+/* method parser_prod#AAssertExpr#n_else= for (self: Object, nullable AExpr) */
+void VIRTUAL_parser_prod__AAssertExpr__n_else_61d(val* self, val* p0) {
+parser_prod__AAssertExpr__n_else_61d(self, p0); /* Direct call parser_prod#AAssertExpr#n_else= on <self:Object(AAssertExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AParam#visit_all for (self: AParam, Visitor) */
-void parser_prod__AParam__visit_all(val* self, val* p0) {
+/* method parser_prod#AAssertExpr#visit_all for (self: AAssertExpr, Visitor) */
+void parser_prod__AAssertExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TId */;
-val* var1 /* : nullable AType */;
-val* var2 /* : nullable TDotdotdot */;
-val* var3 /* : nullable AAnnotations */;
+val* var /* : TKwassert */;
+val* var1 /* : nullable TId */;
+val* var2 /* : AExpr */;
+val* var3 /* : nullable AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AParam___n_id].val; /* _n_id on <self:AParam> */
+var = self->attrs[COLOR_parser_nodes__AAssertExpr___n_kwassert].val; /* _n_kwassert on <self:AAssertExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2844);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwassert");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2903);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AParam___n_type].val; /* _n_type on <self:AParam> */
+var1 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_id].val; /* _n_id on <self:AAssertExpr> */
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var2 = self->attrs[COLOR_parser_nodes__AParam___n_dotdotdot].val; /* _n_dotdotdot on <self:AParam> */
+var2 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_expr].val; /* _n_expr on <self:AAssertExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2905);
+show_backtrace(1);
+}
 {
 parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var3 = self->attrs[COLOR_parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AParam> */
+var3 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_else].val; /* _n_else on <self:AAssertExpr> */
 {
 parser_nodes__Visitor__enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AParam#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AParam__visit_all(val* self, val* p0) {
-parser_prod__AParam__visit_all(self, p0); /* Direct call parser_prod#AParam#visit_all on <self:Object(AParam)>*/
+/* method parser_prod#AAssertExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AAssertExpr__visit_all(val* self, val* p0) {
+parser_prod__AAssertExpr__visit_all(self, p0); /* Direct call parser_prod#AAssertExpr#visit_all on <self:Object(AAssertExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AType#init_atype for (self: AType, nullable TKwnullable, nullable TClassid, Collection[Object], nullable AAnnotations) */
-void parser_prod__AType__init_atype(val* self, val* p0, val* p1, val* p2, val* p3) {
-val* var_n_kwnullable /* var n_kwnullable: nullable TKwnullable */;
-val* var_n_id /* var n_id: nullable TClassid */;
-val* var_n_types /* var n_types: Collection[Object] */;
-val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-val* var9 /* : ANodes[AType] */;
-val* var11 /* : ANodes[AType] */;
-val* var12 /* : null */;
-short int var13 /* : Bool */;
-short int var14 /* : Bool */;
-short int var16 /* : Bool */;
-short int var17 /* : Bool */;
-short int var18 /* : Bool */;
-var_n_kwnullable = p0;
-var_n_id = p1;
-var_n_types = p2;
-var_n_annotations = p3;
-self->attrs[COLOR_parser_nodes__AType___n_kwnullable].val = var_n_kwnullable; /* _n_kwnullable on <self:AType> */
-var = NULL;
-if (var_n_kwnullable == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_kwnullable,var) on <var_n_kwnullable:nullable TKwnullable> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_n_kwnullable->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_kwnullable, var_other) /* == on <var_n_kwnullable:nullable TKwnullable(TKwnullable)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwnullable,self) on <var_n_kwnullable:nullable TKwnullable(TKwnullable)> */
-var_n_kwnullable->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwnullable:nullable TKwnullable(TKwnullable)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
-if (unlikely(var_n_id == NULL)) {
+/* method parser_prod#AOnceExpr#init_aonceexpr for (self: AOnceExpr, nullable TKwonce, nullable AExpr) */
+void parser_prod__AOnceExpr__init_aonceexpr(val* self, val* p0, val* p1) {
+val* var_n_kwonce /* var n_kwonce: nullable TKwonce */;
+val* var_n_expr /* var n_expr: nullable AExpr */;
+var_n_kwonce = p0;
+var_n_expr = p1;
+if (unlikely(var_n_kwonce == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2860);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2915);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AType___n_id].val = var_n_id; /* _n_id on <self:AType> */
-if (var_n_id == NULL) {
+self->attrs[COLOR_parser_nodes__AOnceExpr___n_kwonce].val = var_n_kwonce; /* _n_kwonce on <self:AOnceExpr> */
+if (var_n_kwonce == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2861);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2916);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TClassid> */
-if (unlikely(var_n_id == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwonce,self) on <var_n_kwonce:nullable TKwonce> */
+if (unlikely(var_n_kwonce == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TClassid> */
-RET_LABEL8:(void)0;
+var_n_kwonce->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwonce:nullable TKwonce> */
+RET_LABEL1:(void)0;
 }
 }
-{
-{ /* Inline parser_nodes#AType#n_types (self) on <self:AType> */
-var11 = self->attrs[COLOR_parser_nodes__AType___n_types].val; /* _n_types on <self:AType> */
-if (unlikely(var11 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_types");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 1397);
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2917);
 show_backtrace(1);
 }
-var9 = var11;
-RET_LABEL10:(void)0;
-}
-}
-{
-parser_nodes__ANodes__unsafe_add_all(var9, var_n_types); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var9:ANodes[AType]>*/
-}
-self->attrs[COLOR_parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AType> */
-var12 = NULL;
-if (var_n_annotations == NULL) {
-var13 = 0; /* is null */
+self->attrs[COLOR_parser_nodes__AOnceExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AOnceExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2918);
+show_backtrace(1);
 } else {
-var13 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_annotations,var12) on <var_n_annotations:nullable AAnnotations> */
-var_other = var12;
-{
-var17 = ((short int (*)(val*, val*))(var_n_annotations->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_annotations, var_other) /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/;
-var16 = var17;
-}
-var18 = !var16;
-var14 = var18;
-goto RET_LABEL15;
-RET_LABEL15:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-var13 = var14;
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-if (var13){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-RET_LABEL19:(void)0;
 }
+RET_LABEL:;
 }
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AType#init_atype for (self: Object, nullable TKwnullable, nullable TClassid, Collection[Object], nullable AAnnotations) */
-void VIRTUAL_parser_prod__AType__init_atype(val* self, val* p0, val* p1, val* p2, val* p3) {
-parser_prod__AType__init_atype(self, p0, p1, p2, p3); /* Direct call parser_prod#AType#init_atype on <self:Object(AType)>*/
+/* method parser_prod#AOnceExpr#init_aonceexpr for (self: Object, nullable TKwonce, nullable AExpr) */
+void VIRTUAL_parser_prod__AOnceExpr__init_aonceexpr(val* self, val* p0, val* p1) {
+parser_prod__AOnceExpr__init_aonceexpr(self, p0, p1); /* Direct call parser_prod#AOnceExpr#init_aonceexpr on <self:Object(AOnceExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AType#replace_child for (self: AType, ANode, nullable ANode) */
-void parser_prod__AType__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AOnceExpr#replace_child for (self: AOnceExpr, ANode, nullable ANode) */
+void parser_prod__AOnceExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : nullable TKwnullable */;
+val* var /* : TKwonce */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -1104,7 +1316,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : TClassid */;
+val* var8 /* : AExpr */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -1113,28 +1325,19 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
-val* var19 /* : ANodes[AType] */;
-val* var21 /* : ANodes[AType] */;
-short int var22 /* : Bool */;
-val* var23 /* : nullable AAnnotations */;
-short int var24 /* : Bool */;
-short int var25 /* : Bool */;
-short int var27 /* : Bool */;
-short int var29 /* : Bool */;
-short int var30 /* : Bool */;
-int cltype31;
-int idtype32;
-const char* var_class_name33;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AType___n_kwnullable].val; /* _n_kwnullable on <self:AType> */
-if (var == NULL) {
-var1 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:nullable TKwnullable> */
+var = self->attrs[COLOR_parser_nodes__AOnceExpr___n_kwonce].val; /* _n_kwonce on <self:AOnceExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwonce");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2923);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwonce> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:nullable TKwnullable(TKwnullable)> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwonce> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -1148,11 +1351,11 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa nullable TKwnullable */
-cltype = type_nullable_parser_nodes__TKwnullable.color;
-idtype = type_nullable_parser_nodes__TKwnullable.id;
+/* <var_new_child:nullable ANode> isa TKwonce */
+cltype = type_parser_nodes__TKwonce.color;
+idtype = type_parser_nodes__TKwonce.id;
 if(var_new_child == NULL) {
-var7 = 1;
+var7 = 0;
 } else {
 if(cltype >= var_new_child->type->table_size) {
 var7 = 0;
@@ -1162,27 +1365,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TKwnullable", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2870);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwonce", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2924);
 show_backtrace(1);
 }
 {
-parser_prod__AType__n_kwnullable_61d(self, var_new_child); /* Direct call parser_prod#AType#n_kwnullable= on <self:AType>*/
+parser_prod__AOnceExpr__n_kwonce_61d(self, var_new_child); /* Direct call parser_prod#AOnceExpr#n_kwonce= on <self:AOnceExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AType___n_id].val; /* _n_id on <self:AType> */
+var8 = self->attrs[COLOR_parser_nodes__AOnceExpr___n_expr].val; /* _n_expr on <self:AOnceExpr> */
 if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2873);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2927);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:TClassid> */
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:TClassid> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -1196,9 +1399,9 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa TClassid */
-cltype16 = type_parser_nodes__TClassid.color;
-idtype17 = type_parser_nodes__TClassid.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var15 = 0;
 } else {
@@ -1210,325 +1413,150 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TClassid", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2874);
-show_backtrace(1);
-}
-{
-parser_prod__AType__n_id_61d(self, var_new_child); /* Direct call parser_prod#AType#n_id= on <self:AType>*/
-}
-goto RET_LABEL;
-} else {
-}
-{
-{ /* Inline parser_nodes#AType#n_types (self) on <self:AType> */
-var21 = self->attrs[COLOR_parser_nodes__AType___n_types].val; /* _n_types on <self:AType> */
-if (unlikely(var21 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_types");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 1397);
-show_backtrace(1);
-}
-var19 = var21;
-RET_LABEL20:(void)0;
-}
-}
-{
-var22 = parser_nodes__ANodes__replace_child(var19, var_old_child, var_new_child);
-}
-if (var22){
-goto RET_LABEL;
-} else {
-}
-var23 = self->attrs[COLOR_parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AType> */
-if (var23 == NULL) {
-var24 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var23,var_old_child) on <var23:nullable AAnnotations> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var23,var_other) on <var23:nullable AAnnotations(AAnnotations)> */
-var29 = var23 == var_other;
-var27 = var29;
-goto RET_LABEL28;
-RET_LABEL28:(void)0;
-}
-}
-var25 = var27;
-goto RET_LABEL26;
-RET_LABEL26:(void)0;
-}
-var24 = var25;
-}
-if (var24){
-/* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype31 = type_nullable_parser_nodes__AAnnotations.color;
-idtype32 = type_nullable_parser_nodes__AAnnotations.id;
-if(var_new_child == NULL) {
-var30 = 1;
-} else {
-if(cltype31 >= var_new_child->type->table_size) {
-var30 = 0;
-} else {
-var30 = var_new_child->type->type_table[cltype31] == idtype32;
-}
-}
-if (unlikely(!var30)) {
-var_class_name33 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name33);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2879);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2928);
 show_backtrace(1);
 }
 {
-parser_prod__AType__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AType#n_annotations= on <self:AType>*/
+parser_prod__AOnceExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AOnceExpr#n_expr= on <self:AOnceExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AType#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AType__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AType__replace_child(self, p0, p1); /* Direct call parser_prod#AType#replace_child on <self:Object(AType)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AType#n_kwnullable= for (self: AType, nullable TKwnullable) */
-void parser_prod__AType__n_kwnullable_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TKwnullable */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AType___n_kwnullable].val = var_node; /* _n_kwnullable on <self:AType> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TKwnullable> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TKwnullable(TKwnullable)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TKwnullable(TKwnullable)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TKwnullable(TKwnullable)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AType#n_kwnullable= for (self: Object, nullable TKwnullable) */
-void VIRTUAL_parser_prod__AType__n_kwnullable_61d(val* self, val* p0) {
-parser_prod__AType__n_kwnullable_61d(self, p0); /* Direct call parser_prod#AType#n_kwnullable= on <self:Object(AType)>*/
+/* method parser_prod#AOnceExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AOnceExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AOnceExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AOnceExpr#replace_child on <self:Object(AOnceExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AType#n_id= for (self: AType, TClassid) */
-void parser_prod__AType__n_id_61d(val* self, val* p0) {
-val* var_node /* var node: TClassid */;
+/* method parser_prod#AOnceExpr#n_kwonce= for (self: AOnceExpr, TKwonce) */
+void parser_prod__AOnceExpr__n_kwonce_61d(val* self, val* p0) {
+val* var_node /* var node: TKwonce */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AType___n_id].val = var_node; /* _n_id on <self:AType> */
+self->attrs[COLOR_parser_nodes__AOnceExpr___n_kwonce].val = var_node; /* _n_kwonce on <self:AOnceExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TClassid> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TClassid> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwonce> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwonce> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AType#n_id= for (self: Object, TClassid) */
-void VIRTUAL_parser_prod__AType__n_id_61d(val* self, val* p0) {
-parser_prod__AType__n_id_61d(self, p0); /* Direct call parser_prod#AType#n_id= on <self:Object(AType)>*/
+/* method parser_prod#AOnceExpr#n_kwonce= for (self: Object, TKwonce) */
+void VIRTUAL_parser_prod__AOnceExpr__n_kwonce_61d(val* self, val* p0) {
+parser_prod__AOnceExpr__n_kwonce_61d(self, p0); /* Direct call parser_prod#AOnceExpr#n_kwonce= on <self:Object(AOnceExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AType#n_annotations= for (self: AType, nullable AAnnotations) */
-void parser_prod__AType__n_annotations_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AAnnotations */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#AOnceExpr#n_expr= for (self: AOnceExpr, AExpr) */
+void parser_prod__AOnceExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AType> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AAnnotations> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AAnnotations(AAnnotations)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
+self->attrs[COLOR_parser_nodes__AOnceExpr___n_expr].val = var_node; /* _n_expr on <self:AOnceExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
-RET_LABEL7:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AType#n_annotations= for (self: Object, nullable AAnnotations) */
-void VIRTUAL_parser_prod__AType__n_annotations_61d(val* self, val* p0) {
-parser_prod__AType__n_annotations_61d(self, p0); /* Direct call parser_prod#AType#n_annotations= on <self:Object(AType)>*/
+/* method parser_prod#AOnceExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AOnceExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AOnceExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AOnceExpr#n_expr= on <self:Object(AOnceExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AType#visit_all for (self: AType, Visitor) */
-void parser_prod__AType__visit_all(val* self, val* p0) {
+/* method parser_prod#AOnceExpr#visit_all for (self: AOnceExpr, Visitor) */
+void parser_prod__AOnceExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : nullable TKwnullable */;
-val* var1 /* : TClassid */;
-val* var2 /* : ANodes[AType] */;
-val* var4 /* : ANodes[AType] */;
-val* var5 /* : nullable AAnnotations */;
+val* var /* : TKwonce */;
+val* var1 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AType___n_kwnullable].val; /* _n_kwnullable on <self:AType> */
+var = self->attrs[COLOR_parser_nodes__AOnceExpr___n_kwonce].val; /* _n_kwonce on <self:AOnceExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwonce");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2947);
+show_backtrace(1);
+}
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AType___n_id].val; /* _n_id on <self:AType> */
+var1 = self->attrs[COLOR_parser_nodes__AOnceExpr___n_expr].val; /* _n_expr on <self:AOnceExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2904);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 2948);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-{
-{ /* Inline parser_nodes#AType#n_types (self) on <self:AType> */
-var4 = self->attrs[COLOR_parser_nodes__AType___n_types].val; /* _n_types on <self:AType> */
-if (unlikely(var4 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_types");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 1397);
-show_backtrace(1);
-}
-var2 = var4;
-RET_LABEL3:(void)0;
-}
-}
-{
-parser_nodes__ANodes__visit_all(var2, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var2:ANodes[AType]>*/
-}
-var5 = self->attrs[COLOR_parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AType> */
-{
-parser_nodes__Visitor__enter_visit(var_v, var5); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
 RET_LABEL:;
 }
-/* method parser_prod#AType#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AType__visit_all(val* self, val* p0) {
-parser_prod__AType__visit_all(self, p0); /* Direct call parser_prod#AType#visit_all on <self:Object(AType)>*/
+/* method parser_prod#AOnceExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AOnceExpr__visit_all(val* self, val* p0) {
+parser_prod__AOnceExpr__visit_all(self, p0); /* Direct call parser_prod#AOnceExpr#visit_all on <self:Object(AOnceExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ALabel#init_alabel for (self: ALabel, nullable TKwlabel, nullable TId) */
-void parser_prod__ALabel__init_alabel(val* self, val* p0, val* p1) {
-val* var_n_kwlabel /* var n_kwlabel: nullable TKwlabel */;
-val* var_n_id /* var n_id: nullable TId */;
-val* var /* : null */;
-short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-var_n_kwlabel = p0;
-var_n_id = p1;
-if (unlikely(var_n_kwlabel == NULL)) {
+/* method parser_prod#AOrExpr#init_aorexpr for (self: AOrExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AOrExpr__init_aorexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2915);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3028);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__ALabel___n_kwlabel].val = var_n_kwlabel; /* _n_kwlabel on <self:ALabel> */
-if (var_n_kwlabel == NULL) {
+self->attrs[COLOR_parser_nodes__AOrExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AOrExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2916);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3029);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwlabel,self) on <var_n_kwlabel:nullable TKwlabel> */
-if (unlikely(var_n_kwlabel == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_kwlabel->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwlabel:nullable TKwlabel> */
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-self->attrs[COLOR_parser_nodes__ALabel___n_id].val = var_n_id; /* _n_id on <self:ALabel> */
-var = NULL;
-if (var_n_id == NULL) {
-var2 = 0; /* is null */
-} else {
-var2 = 1; /* arg is null and recv is not */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3030);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_id,var) on <var_n_id:nullable TId> */
-var_other = var;
-{
-var6 = ((short int (*)(val*, val*))(var_n_id->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_id, var_other) /* == on <var_n_id:nullable TId(TId)>*/;
-var5 = var6;
+self->attrs[COLOR_parser_nodes__AOrExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AOrExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3031);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-var7 = !var5;
-var3 = var7;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-var2 = var3;
 }
-if (var2){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId(TId)> */
-var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId(TId)> */
-RET_LABEL8:(void)0;
+RET_LABEL:;
 }
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#ALabel#init_alabel for (self: Object, nullable TKwlabel, nullable TId) */
-void VIRTUAL_parser_prod__ALabel__init_alabel(val* self, val* p0, val* p1) {
-parser_prod__ALabel__init_alabel(self, p0, p1); /* Direct call parser_prod#ALabel#init_alabel on <self:Object(ALabel)>*/
+/* method parser_prod#AOrExpr#init_aorexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AOrExpr__init_aorexpr(val* self, val* p0, val* p1) {
+parser_prod__AOrExpr__init_aorexpr(self, p0, p1); /* Direct call parser_prod#AOrExpr#init_aorexpr on <self:Object(AOrExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ALabel#replace_child for (self: ALabel, ANode, nullable ANode) */
-void parser_prod__ALabel__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AOrExpr#replace_child for (self: AOrExpr, ANode, nullable ANode) */
+void parser_prod__AOrExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwlabel */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -1538,7 +1566,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : nullable TId */;
+val* var8 /* : AExpr */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -1549,17 +1577,17 @@ int idtype17;
 const char* var_class_name18;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__ALabel___n_kwlabel].val; /* _n_kwlabel on <self:ALabel> */
+var = self->attrs[COLOR_parser_nodes__AOrExpr___n_expr].val; /* _n_expr on <self:AOrExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwlabel");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2923);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3036);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwlabel> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwlabel> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -1573,9 +1601,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwlabel */
-cltype = type_parser_nodes__TKwlabel.color;
-idtype = type_parser_nodes__TKwlabel.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -1587,24 +1615,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwlabel", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2924);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3037);
 show_backtrace(1);
 }
 {
-parser_prod__ALabel__n_kwlabel_61d(self, var_new_child); /* Direct call parser_prod#ALabel#n_kwlabel= on <self:ALabel>*/
+parser_prod__AOrExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AOrExpr#n_expr= on <self:AOrExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__ALabel___n_id].val; /* _n_id on <self:ALabel> */
-if (var8 == NULL) {
-var9 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:nullable TId> */
+var8 = self->attrs[COLOR_parser_nodes__AOrExpr___n_expr2].val; /* _n_expr2 on <self:AOrExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3040);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:nullable TId(TId)> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -1618,11 +1649,11 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa nullable TId */
-cltype16 = type_nullable_parser_nodes__TId.color;
-idtype17 = type_nullable_parser_nodes__TId.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var15 = 1;
+var15 = 0;
 } else {
 if(cltype16 >= var_new_child->type->table_size) {
 var15 = 0;
@@ -1632,566 +1663,400 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TId", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2928);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3041);
 show_backtrace(1);
 }
 {
-parser_prod__ALabel__n_id_61d(self, var_new_child); /* Direct call parser_prod#ALabel#n_id= on <self:ALabel>*/
+parser_prod__AOrExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AOrExpr#n_expr2= on <self:AOrExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALabel#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__ALabel__replace_child(val* self, val* p0, val* p1) {
-parser_prod__ALabel__replace_child(self, p0, p1); /* Direct call parser_prod#ALabel#replace_child on <self:Object(ALabel)>*/
+/* method parser_prod#AOrExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AOrExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AOrExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AOrExpr#replace_child on <self:Object(AOrExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ALabel#n_kwlabel= for (self: ALabel, TKwlabel) */
-void parser_prod__ALabel__n_kwlabel_61d(val* self, val* p0) {
-val* var_node /* var node: TKwlabel */;
+/* method parser_prod#AOrExpr#n_expr= for (self: AOrExpr, AExpr) */
+void parser_prod__AOrExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ALabel___n_kwlabel].val = var_node; /* _n_kwlabel on <self:ALabel> */
+self->attrs[COLOR_parser_nodes__AOrExpr___n_expr].val = var_node; /* _n_expr on <self:AOrExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwlabel> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwlabel> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALabel#n_kwlabel= for (self: Object, TKwlabel) */
-void VIRTUAL_parser_prod__ALabel__n_kwlabel_61d(val* self, val* p0) {
-parser_prod__ALabel__n_kwlabel_61d(self, p0); /* Direct call parser_prod#ALabel#n_kwlabel= on <self:Object(ALabel)>*/
+/* method parser_prod#AOrExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AOrExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AOrExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AOrExpr#n_expr= on <self:Object(AOrExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ALabel#n_id= for (self: ALabel, nullable TId) */
-void parser_prod__ALabel__n_id_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TId */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#AOrExpr#n_expr2= for (self: AOrExpr, AExpr) */
+void parser_prod__AOrExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ALabel___n_id].val = var_node; /* _n_id on <self:ALabel> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TId> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TId(TId)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
+self->attrs[COLOR_parser_nodes__AOrExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AOrExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TId(TId)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TId(TId)> */
-RET_LABEL7:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALabel#n_id= for (self: Object, nullable TId) */
-void VIRTUAL_parser_prod__ALabel__n_id_61d(val* self, val* p0) {
-parser_prod__ALabel__n_id_61d(self, p0); /* Direct call parser_prod#ALabel#n_id= on <self:Object(ALabel)>*/
+/* method parser_prod#AOrExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AOrExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AOrExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AOrExpr#n_expr2= on <self:Object(AOrExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ALabel#visit_all for (self: ALabel, Visitor) */
-void parser_prod__ALabel__visit_all(val* self, val* p0) {
+/* method parser_prod#AOrExpr#visit_all for (self: AOrExpr, Visitor) */
+void parser_prod__AOrExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TKwlabel */;
-val* var1 /* : nullable TId */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__ALabel___n_kwlabel].val; /* _n_kwlabel on <self:ALabel> */
+var = self->attrs[COLOR_parser_nodes__AOrExpr___n_expr].val; /* _n_expr on <self:AOrExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwlabel");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2947);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3060);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__ALabel___n_id].val; /* _n_id on <self:ALabel> */
+var1 = self->attrs[COLOR_parser_nodes__AOrExpr___n_expr2].val; /* _n_expr2 on <self:AOrExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3061);
+show_backtrace(1);
+}
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALabel#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__ALabel__visit_all(val* self, val* p0) {
-parser_prod__ALabel__visit_all(self, p0); /* Direct call parser_prod#ALabel#visit_all on <self:Object(ALabel)>*/
+/* method parser_prod#AOrExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AOrExpr__visit_all(val* self, val* p0) {
+parser_prod__AOrExpr__visit_all(self, p0); /* Direct call parser_prod#AOrExpr#visit_all on <self:Object(AOrExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ABlockExpr#init_ablockexpr for (self: ABlockExpr, Collection[Object], nullable TKwend) */
-void parser_prod__ABlockExpr__init_ablockexpr(val* self, val* p0, val* p1) {
-val* var_n_expr /* var n_expr: Collection[Object] */;
-val* var_n_kwend /* var n_kwend: nullable TKwend */;
-val* var /* : ANodes[AExpr] */;
-val* var2 /* : ANodes[AExpr] */;
-val* var3 /* : null */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
+/* method parser_prod#AAndExpr#init_aandexpr for (self: AAndExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AAndExpr__init_aandexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
 var_n_expr = p0;
-var_n_kwend = p1;
-{
-{ /* Inline parser_nodes#ABlockExpr#n_expr (self) on <self:ABlockExpr> */
-var2 = self->attrs[COLOR_parser_nodes__ABlockExpr___n_expr].val; /* _n_expr on <self:ABlockExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 1424);
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3070);
 show_backtrace(1);
 }
-var = var2;
-RET_LABEL1:(void)0;
-}
-}
-{
-parser_nodes__ANodes__unsafe_add_all(var, var_n_expr); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[AExpr]>*/
-}
-self->attrs[COLOR_parser_nodes__ABlockExpr___n_kwend].val = var_n_kwend; /* _n_kwend on <self:ABlockExpr> */
-var3 = NULL;
-if (var_n_kwend == NULL) {
-var4 = 0; /* is null */
+self->attrs[COLOR_parser_nodes__AAndExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AAndExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3071);
+show_backtrace(1);
 } else {
-var4 = 1; /* arg is null and recv is not */
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_kwend,var3) on <var_n_kwend:nullable TKwend> */
-var_other = var3;
-{
-var8 = ((short int (*)(val*, val*))(var_n_kwend->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_kwend, var_other) /* == on <var_n_kwend:nullable TKwend(TKwend)>*/;
-var7 = var8;
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL1:(void)0;
 }
-var9 = !var7;
-var5 = var9;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
 }
-var4 = var5;
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3072);
+show_backtrace(1);
 }
-if (var4){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwend,self) on <var_n_kwend:nullable TKwend(TKwend)> */
-var_n_kwend->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwend:nullable TKwend(TKwend)> */
-RET_LABEL10:(void)0;
+self->attrs[COLOR_parser_nodes__AAndExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AAndExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3073);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABlockExpr#init_ablockexpr for (self: Object, Collection[Object], nullable TKwend) */
-void VIRTUAL_parser_prod__ABlockExpr__init_ablockexpr(val* self, val* p0, val* p1) {
-parser_prod__ABlockExpr__init_ablockexpr(self, p0, p1); /* Direct call parser_prod#ABlockExpr#init_ablockexpr on <self:Object(ABlockExpr)>*/
+/* method parser_prod#AAndExpr#init_aandexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AAndExpr__init_aandexpr(val* self, val* p0, val* p1) {
+parser_prod__AAndExpr__init_aandexpr(self, p0, p1); /* Direct call parser_prod#AAndExpr#init_aandexpr on <self:Object(AAndExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ABlockExpr#replace_child for (self: ABlockExpr, ANode, nullable ANode) */
-void parser_prod__ABlockExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AAndExpr#replace_child for (self: AAndExpr, ANode, nullable ANode) */
+void parser_prod__AAndExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : ANodes[AExpr] */;
-val* var2 /* : ANodes[AExpr] */;
-short int var3 /* : Bool */;
-val* var4 /* : nullable TKwend */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+val* var /* : AExpr */;
+short int var1 /* : Bool */;
+short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
-short int var8 /* : Bool */;
-short int var10 /* : Bool */;
-short int var11 /* : Bool */;
+short int var4 /* : Bool */;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
+val* var8 /* : AExpr */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+const char* var_class_name18;
 var_old_child = p0;
 var_new_child = p1;
-{
-{ /* Inline parser_nodes#ABlockExpr#n_expr (self) on <self:ABlockExpr> */
-var2 = self->attrs[COLOR_parser_nodes__ABlockExpr___n_expr].val; /* _n_expr on <self:ABlockExpr> */
-if (unlikely(var2 == NULL)) {
+var = self->attrs[COLOR_parser_nodes__AAndExpr___n_expr].val; /* _n_expr on <self:AAndExpr> */
+if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 1424);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3078);
 show_backtrace(1);
 }
-var = var2;
-RET_LABEL1:(void)0;
-}
-}
 {
-var3 = parser_nodes__ANodes__replace_child(var, var_old_child, var_new_child);
-}
-if (var3){
-goto RET_LABEL;
-} else {
-}
-var4 = self->attrs[COLOR_parser_nodes__ABlockExpr___n_kwend].val; /* _n_kwend on <self:ABlockExpr> */
-if (var4 == NULL) {
-var5 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var4,var_old_child) on <var4:nullable TKwend> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var4,var_other) on <var4:nullable TKwend(TKwend)> */
-var10 = var4 == var_other;
-var8 = var10;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
+var6 = var == var_other;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
 }
-var6 = var8;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+var2 = var4;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
 }
-var5 = var6;
+var1 = var2;
 }
-if (var5){
-/* <var_new_child:nullable ANode> isa nullable TKwend */
-cltype = type_nullable_parser_nodes__TKwend.color;
-idtype = type_nullable_parser_nodes__TKwend.id;
+if (var1){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var11 = 1;
+var7 = 0;
 } else {
 if(cltype >= var_new_child->type->table_size) {
-var11 = 0;
+var7 = 0;
 } else {
-var11 = var_new_child->type->type_table[cltype] == idtype;
+var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var11)) {
+if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TKwend", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2966);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3079);
 show_backtrace(1);
 }
 {
-parser_prod__ABlockExpr__n_kwend_61d(self, var_new_child); /* Direct call parser_prod#ABlockExpr#n_kwend= on <self:ABlockExpr>*/
+parser_prod__AAndExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AAndExpr#n_expr= on <self:AAndExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-RET_LABEL:;
-}
-/* method parser_prod#ABlockExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__ABlockExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__ABlockExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ABlockExpr#replace_child on <self:Object(ABlockExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#ABlockExpr#n_kwend= for (self: ABlockExpr, nullable TKwend) */
-void parser_prod__ABlockExpr__n_kwend_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TKwend */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__ABlockExpr___n_kwend].val = var_node; /* _n_kwend on <self:ABlockExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
+var8 = self->attrs[COLOR_parser_nodes__AAndExpr___n_expr2].val; /* _n_expr2 on <self:AAndExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3082);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TKwend> */
-var_other = var;
 {
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TKwend(TKwend)>*/;
-var4 = var5;
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
 }
-var1 = var2;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TKwend(TKwend)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TKwend(TKwend)> */
-RET_LABEL7:(void)0;
+var9 = var10;
+}
+if (var9){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
+if(var_new_child == NULL) {
+var15 = 0;
+} else {
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
+} else {
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
+}
+}
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3083);
+show_backtrace(1);
 }
+{
+parser_prod__AAndExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AAndExpr#n_expr2= on <self:AAndExpr>*/
 }
+goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABlockExpr#n_kwend= for (self: Object, nullable TKwend) */
-void VIRTUAL_parser_prod__ABlockExpr__n_kwend_61d(val* self, val* p0) {
-parser_prod__ABlockExpr__n_kwend_61d(self, p0); /* Direct call parser_prod#ABlockExpr#n_kwend= on <self:Object(ABlockExpr)>*/
+/* method parser_prod#AAndExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AAndExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AAndExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AAndExpr#replace_child on <self:Object(AAndExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ABlockExpr#visit_all for (self: ABlockExpr, Visitor) */
-void parser_prod__ABlockExpr__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : ANodes[AExpr] */;
-val* var2 /* : ANodes[AExpr] */;
-val* var3 /* : nullable TKwend */;
-var_v = p0;
+/* method parser_prod#AAndExpr#n_expr= for (self: AAndExpr, AExpr) */
+void parser_prod__AAndExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AAndExpr___n_expr].val = var_node; /* _n_expr on <self:AAndExpr> */
 {
-{ /* Inline parser_nodes#ABlockExpr#n_expr (self) on <self:ABlockExpr> */
-var2 = self->attrs[COLOR_parser_nodes__ABlockExpr___n_expr].val; /* _n_expr on <self:ABlockExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 1424);
-show_backtrace(1);
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AAndExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AAndExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AAndExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AAndExpr#n_expr= on <self:Object(AAndExpr)>*/
+RET_LABEL:;
 }
-var = var2;
+/* method parser_prod#AAndExpr#n_expr2= for (self: AAndExpr, AExpr) */
+void parser_prod__AAndExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AAndExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AAndExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
+RET_LABEL:;
+}
+/* method parser_prod#AAndExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AAndExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AAndExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AAndExpr#n_expr2= on <self:Object(AAndExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AAndExpr#visit_all for (self: AAndExpr, Visitor) */
+void parser_prod__AAndExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__AAndExpr___n_expr].val; /* _n_expr on <self:AAndExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3102);
+show_backtrace(1);
+}
 {
-parser_nodes__ANodes__visit_all(var, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var:ANodes[AExpr]>*/
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var1 = self->attrs[COLOR_parser_nodes__AAndExpr___n_expr2].val; /* _n_expr2 on <self:AAndExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3103);
+show_backtrace(1);
 }
-var3 = self->attrs[COLOR_parser_nodes__ABlockExpr___n_kwend].val; /* _n_kwend on <self:ABlockExpr> */
 {
-parser_nodes__Visitor__enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABlockExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__ABlockExpr__visit_all(val* self, val* p0) {
-parser_prod__ABlockExpr__visit_all(self, p0); /* Direct call parser_prod#ABlockExpr#visit_all on <self:Object(ABlockExpr)>*/
+/* method parser_prod#AAndExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AAndExpr__visit_all(val* self, val* p0) {
+parser_prod__AAndExpr__visit_all(self, p0); /* Direct call parser_prod#AAndExpr#visit_all on <self:Object(AAndExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#init_avardeclexpr for (self: AVardeclExpr, nullable TKwvar, nullable TId, nullable AType, nullable TAssign, nullable AExpr, nullable AAnnotations) */
-void parser_prod__AVardeclExpr__init_avardeclexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4, val* p5) {
-val* var_n_kwvar /* var n_kwvar: nullable TKwvar */;
-val* var_n_id /* var n_id: nullable TId */;
-val* var_n_type /* var n_type: nullable AType */;
-val* var_n_assign /* var n_assign: nullable TAssign */;
+/* method parser_prod#AOrElseExpr#init_aorelseexpr for (self: AOrElseExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AOrElseExpr__init_aorelseexpr(val* self, val* p0, val* p1) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_annotations /* var n_annotations: nullable AAnnotations */;
-val* var /* : null */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
-val* var10 /* : null */;
-short int var11 /* : Bool */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-short int var15 /* : Bool */;
-short int var16 /* : Bool */;
-val* var18 /* : null */;
-short int var19 /* : Bool */;
-short int var20 /* : Bool */;
-short int var22 /* : Bool */;
-short int var23 /* : Bool */;
-short int var24 /* : Bool */;
-val* var26 /* : null */;
-short int var27 /* : Bool */;
-short int var28 /* : Bool */;
-short int var30 /* : Bool */;
-short int var31 /* : Bool */;
-short int var32 /* : Bool */;
-var_n_kwvar = p0;
-var_n_id = p1;
-var_n_type = p2;
-var_n_assign = p3;
-var_n_expr = p4;
-var_n_annotations = p5;
-if (unlikely(var_n_kwvar == NULL)) {
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2994);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3112);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AVardeclExpr___n_kwvar].val = var_n_kwvar; /* _n_kwvar on <self:AVardeclExpr> */
-if (var_n_kwvar == NULL) {
+self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AOrElseExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2995);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3113);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwvar,self) on <var_n_kwvar:nullable TKwvar> */
-if (unlikely(var_n_kwvar == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_kwvar->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwvar:nullable TKwvar> */
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-if (unlikely(var_n_id == NULL)) {
+if (unlikely(var_n_expr2 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2996);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3114);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AVardeclExpr___n_id].val = var_n_id; /* _n_id on <self:AVardeclExpr> */
-if (var_n_id == NULL) {
+self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AOrElseExpr> */
+if (var_n_expr2 == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 2997);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3115);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId> */
-if (unlikely(var_n_id == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId> */
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_parser_nodes__AVardeclExpr___n_type].val = var_n_type; /* _n_type on <self:AVardeclExpr> */
-var = NULL;
-if (var_n_type == NULL) {
-var3 = 0; /* is null */
-} else {
-var3 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_type,var) on <var_n_type:nullable AType> */
-var_other = var;
-{
-var7 = ((short int (*)(val*, val*))(var_n_type->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_type, var_other) /* == on <var_n_type:nullable AType(AType)>*/;
-var6 = var7;
-}
-var8 = !var6;
-var4 = var8;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
-}
-var3 = var4;
-}
-if (var3){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType(AType)> */
-var_n_type->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType(AType)> */
-RET_LABEL9:(void)0;
-}
-}
-} else {
-}
-self->attrs[COLOR_parser_nodes__AVardeclExpr___n_assign].val = var_n_assign; /* _n_assign on <self:AVardeclExpr> */
-var10 = NULL;
-if (var_n_assign == NULL) {
-var11 = 0; /* is null */
-} else {
-var11 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_assign,var10) on <var_n_assign:nullable TAssign> */
-var_other = var10;
-{
-var15 = ((short int (*)(val*, val*))(var_n_assign->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_assign, var_other) /* == on <var_n_assign:nullable TAssign(TAssign)>*/;
-var14 = var15;
-}
-var16 = !var14;
-var12 = var16;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
-}
-var11 = var12;
-}
-if (var11){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_assign,self) on <var_n_assign:nullable TAssign(TAssign)> */
-var_n_assign->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_assign:nullable TAssign(TAssign)> */
-RET_LABEL17:(void)0;
-}
-}
-} else {
-}
-self->attrs[COLOR_parser_nodes__AVardeclExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AVardeclExpr> */
-var18 = NULL;
-if (var_n_expr == NULL) {
-var19 = 0; /* is null */
-} else {
-var19 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_expr,var18) on <var_n_expr:nullable AExpr> */
-var_other = var18;
-{
-var23 = ((short int (*)(val*, val*))(var_n_expr->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_expr, var_other) /* == on <var_n_expr:nullable AExpr(AExpr)>*/;
-var22 = var23;
-}
-var24 = !var22;
-var20 = var24;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
-}
-var19 = var20;
-}
-if (var19){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr(AExpr)> */
-var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr(AExpr)> */
-RET_LABEL25:(void)0;
-}
-}
-} else {
-}
-self->attrs[COLOR_parser_nodes__Prod___n_annotations].val = var_n_annotations; /* _n_annotations on <self:AVardeclExpr> */
-var26 = NULL;
-if (var_n_annotations == NULL) {
-var27 = 0; /* is null */
-} else {
-var27 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_annotations,var26) on <var_n_annotations:nullable AAnnotations> */
-var_other = var26;
-{
-var31 = ((short int (*)(val*, val*))(var_n_annotations->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_annotations, var_other) /* == on <var_n_annotations:nullable AAnnotations(AAnnotations)>*/;
-var30 = var31;
-}
-var32 = !var30;
-var28 = var32;
-goto RET_LABEL29;
-RET_LABEL29:(void)0;
-}
-var27 = var28;
-}
-if (var27){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_annotations,self) on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-var_n_annotations->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_annotations:nullable AAnnotations(AAnnotations)> */
-RET_LABEL33:(void)0;
-}
-}
-} else {
-}
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#init_avardeclexpr for (self: Object, nullable TKwvar, nullable TId, nullable AType, nullable TAssign, nullable AExpr, nullable AAnnotations) */
-void VIRTUAL_parser_prod__AVardeclExpr__init_avardeclexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4, val* p5) {
-parser_prod__AVardeclExpr__init_avardeclexpr(self, p0, p1, p2, p3, p4, p5); /* Direct call parser_prod#AVardeclExpr#init_avardeclexpr on <self:Object(AVardeclExpr)>*/
+/* method parser_prod#AOrElseExpr#init_aorelseexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AOrElseExpr__init_aorelseexpr(val* self, val* p0, val* p1) {
+parser_prod__AOrElseExpr__init_aorelseexpr(self, p0, p1); /* Direct call parser_prod#AOrElseExpr#init_aorelseexpr on <self:Object(AOrElseExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#replace_child for (self: AVardeclExpr, ANode, nullable ANode) */
-void parser_prod__AVardeclExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AOrElseExpr#replace_child for (self: AOrElseExpr, ANode, nullable ANode) */
+void parser_prod__AOrElseExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwvar */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -2201,7 +2066,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : TId */;
+val* var8 /* : AExpr */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -2210,55 +2075,19 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
-val* var19 /* : nullable AType */;
-short int var20 /* : Bool */;
-short int var21 /* : Bool */;
-short int var23 /* : Bool */;
-short int var25 /* : Bool */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-const char* var_class_name29;
-val* var30 /* : nullable TAssign */;
-short int var31 /* : Bool */;
-short int var32 /* : Bool */;
-short int var34 /* : Bool */;
-short int var36 /* : Bool */;
-short int var37 /* : Bool */;
-int cltype38;
-int idtype39;
-const char* var_class_name40;
-val* var41 /* : nullable AExpr */;
-short int var42 /* : Bool */;
-short int var43 /* : Bool */;
-short int var45 /* : Bool */;
-short int var47 /* : Bool */;
-short int var48 /* : Bool */;
-int cltype49;
-int idtype50;
-const char* var_class_name51;
-val* var52 /* : nullable AAnnotations */;
-short int var53 /* : Bool */;
-short int var54 /* : Bool */;
-short int var56 /* : Bool */;
-short int var58 /* : Bool */;
-short int var59 /* : Bool */;
-int cltype60;
-int idtype61;
-const char* var_class_name62;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AVardeclExpr___n_kwvar].val; /* _n_kwvar on <self:AVardeclExpr> */
+var = self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr].val; /* _n_expr on <self:AOrElseExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwvar");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3010);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3120);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwvar> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwvar> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -2272,9 +2101,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwvar */
-cltype = type_parser_nodes__TKwvar.color;
-idtype = type_parser_nodes__TKwvar.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -2286,27 +2115,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwvar", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3011);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3121);
 show_backtrace(1);
 }
 {
-parser_prod__AVardeclExpr__n_kwvar_61d(self, var_new_child); /* Direct call parser_prod#AVardeclExpr#n_kwvar= on <self:AVardeclExpr>*/
+parser_prod__AOrElseExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AOrElseExpr#n_expr= on <self:AOrElseExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AVardeclExpr___n_id].val; /* _n_id on <self:AVardeclExpr> */
+var8 = self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr2].val; /* _n_expr2 on <self:AOrElseExpr> */
 if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3014);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3124);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:TId> */
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:TId> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -2320,9 +2149,9 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa TId */
-cltype16 = type_parser_nodes__TId.color;
-idtype17 = type_parser_nodes__TId.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var15 = 0;
 } else {
@@ -2334,573 +2163,650 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TId", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3015);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3125);
 show_backtrace(1);
 }
 {
-parser_prod__AVardeclExpr__n_id_61d(self, var_new_child); /* Direct call parser_prod#AVardeclExpr#n_id= on <self:AVardeclExpr>*/
+parser_prod__AOrElseExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AOrElseExpr#n_expr2= on <self:AOrElseExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var19 = self->attrs[COLOR_parser_nodes__AVardeclExpr___n_type].val; /* _n_type on <self:AVardeclExpr> */
-if (var19 == NULL) {
-var20 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:nullable AType> */
-var_other = var_old_child;
+RET_LABEL:;
+}
+/* method parser_prod#AOrElseExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AOrElseExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AOrElseExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AOrElseExpr#replace_child on <self:Object(AOrElseExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AOrElseExpr#n_expr= for (self: AOrElseExpr, AExpr) */
+void parser_prod__AOrElseExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr].val = var_node; /* _n_expr on <self:AOrElseExpr> */
 {
-{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:nullable AType(AType)> */
-var25 = var19 == var_other;
-var23 = var25;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
 }
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
+RET_LABEL:;
 }
-var20 = var21;
+/* method parser_prod#AOrElseExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AOrElseExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AOrElseExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AOrElseExpr#n_expr= on <self:Object(AOrElseExpr)>*/
+RET_LABEL:;
 }
-if (var20){
-/* <var_new_child:nullable ANode> isa nullable AType */
-cltype27 = type_nullable_parser_nodes__AType.color;
-idtype28 = type_nullable_parser_nodes__AType.id;
-if(var_new_child == NULL) {
-var26 = 1;
-} else {
-if(cltype27 >= var_new_child->type->table_size) {
-var26 = 0;
-} else {
-var26 = var_new_child->type->type_table[cltype27] == idtype28;
+/* method parser_prod#AOrElseExpr#n_expr2= for (self: AOrElseExpr, AExpr) */
+void parser_prod__AOrElseExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AOrElseExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
 }
-if (unlikely(!var26)) {
-var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AType", var_class_name29);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3019);
+RET_LABEL:;
+}
+/* method parser_prod#AOrElseExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AOrElseExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AOrElseExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AOrElseExpr#n_expr2= on <self:Object(AOrElseExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AOrElseExpr#visit_all for (self: AOrElseExpr, Visitor) */
+void parser_prod__AOrElseExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr].val; /* _n_expr on <self:AOrElseExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3144);
 show_backtrace(1);
 }
 {
-parser_prod__AVardeclExpr__n_type_61d(self, var_new_child); /* Direct call parser_prod#AVardeclExpr#n_type= on <self:AVardeclExpr>*/
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-goto RET_LABEL;
-} else {
+var1 = self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr2].val; /* _n_expr2 on <self:AOrElseExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3145);
+show_backtrace(1);
 }
-var30 = self->attrs[COLOR_parser_nodes__AVardeclExpr___n_assign].val; /* _n_assign on <self:AVardeclExpr> */
-if (var30 == NULL) {
-var31 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var30,var_old_child) on <var30:nullable TAssign> */
-var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var30,var_other) on <var30:nullable TAssign(TAssign)> */
-var36 = var30 == var_other;
-var34 = var36;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+RET_LABEL:;
 }
-var32 = var34;
-goto RET_LABEL33;
-RET_LABEL33:(void)0;
+/* method parser_prod#AOrElseExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AOrElseExpr__visit_all(val* self, val* p0) {
+parser_prod__AOrElseExpr__visit_all(self, p0); /* Direct call parser_prod#AOrElseExpr#visit_all on <self:Object(AOrElseExpr)>*/
+RET_LABEL:;
 }
-var31 = var32;
+/* method parser_prod#AImpliesExpr#init_aimpliesexpr for (self: AImpliesExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AImpliesExpr__init_aimpliesexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3154);
+show_backtrace(1);
 }
-if (var31){
-/* <var_new_child:nullable ANode> isa nullable TAssign */
-cltype38 = type_nullable_parser_nodes__TAssign.color;
-idtype39 = type_nullable_parser_nodes__TAssign.id;
-if(var_new_child == NULL) {
-var37 = 1;
-} else {
-if(cltype38 >= var_new_child->type->table_size) {
-var37 = 0;
+self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AImpliesExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3155);
+show_backtrace(1);
 } else {
-var37 = var_new_child->type->type_table[cltype38] == idtype39;
-}
-}
-if (unlikely(!var37)) {
-var_class_name40 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TAssign", var_class_name40);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3023);
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-{
-parser_prod__AVardeclExpr__n_assign_61d(self, var_new_child); /* Direct call parser_prod#AVardeclExpr#n_assign= on <self:AVardeclExpr>*/
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL1:(void)0;
 }
-goto RET_LABEL;
-} else {
 }
-var41 = self->attrs[COLOR_parser_nodes__AVardeclExpr___n_expr].val; /* _n_expr on <self:AVardeclExpr> */
-if (var41 == NULL) {
-var42 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var41,var_old_child) on <var41:nullable AExpr> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var41,var_other) on <var41:nullable AExpr(AExpr)> */
-var47 = var41 == var_other;
-var45 = var47;
-goto RET_LABEL46;
-RET_LABEL46:(void)0;
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3156);
+show_backtrace(1);
 }
+self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AImpliesExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3157);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-var43 = var45;
-goto RET_LABEL44;
-RET_LABEL44:(void)0;
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-var42 = var43;
 }
-if (var42){
-/* <var_new_child:nullable ANode> isa nullable AExpr */
-cltype49 = type_nullable_parser_nodes__AExpr.color;
-idtype50 = type_nullable_parser_nodes__AExpr.id;
-if(var_new_child == NULL) {
-var48 = 1;
-} else {
-if(cltype49 >= var_new_child->type->table_size) {
-var48 = 0;
-} else {
-var48 = var_new_child->type->type_table[cltype49] == idtype50;
+RET_LABEL:;
 }
+/* method parser_prod#AImpliesExpr#init_aimpliesexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AImpliesExpr__init_aimpliesexpr(val* self, val* p0, val* p1) {
+parser_prod__AImpliesExpr__init_aimpliesexpr(self, p0, p1); /* Direct call parser_prod#AImpliesExpr#init_aimpliesexpr on <self:Object(AImpliesExpr)>*/
+RET_LABEL:;
 }
-if (unlikely(!var48)) {
-var_class_name51 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AExpr", var_class_name51);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3027);
+/* method parser_prod#AImpliesExpr#replace_child for (self: AImpliesExpr, ANode, nullable ANode) */
+void parser_prod__AImpliesExpr__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : AExpr */;
+short int var1 /* : Bool */;
+short int var2 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var4 /* : Bool */;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+val* var8 /* : AExpr */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+const char* var_class_name18;
+var_old_child = p0;
+var_new_child = p1;
+var = self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr].val; /* _n_expr on <self:AImpliesExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3162);
 show_backtrace(1);
 }
 {
-parser_prod__AVardeclExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AVardeclExpr#n_expr= on <self:AVardeclExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-var52 = self->attrs[COLOR_parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AVardeclExpr> */
-if (var52 == NULL) {
-var53 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var52,var_old_child) on <var52:nullable AAnnotations> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var52,var_other) on <var52:nullable AAnnotations(AAnnotations)> */
-var58 = var52 == var_other;
-var56 = var58;
-goto RET_LABEL57;
-RET_LABEL57:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
+var6 = var == var_other;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
 }
-var54 = var56;
-goto RET_LABEL55;
-RET_LABEL55:(void)0;
+var2 = var4;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
 }
-var53 = var54;
+var1 = var2;
 }
-if (var53){
-/* <var_new_child:nullable ANode> isa nullable AAnnotations */
-cltype60 = type_nullable_parser_nodes__AAnnotations.color;
-idtype61 = type_nullable_parser_nodes__AAnnotations.id;
+if (var1){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var59 = 1;
+var7 = 0;
 } else {
-if(cltype60 >= var_new_child->type->table_size) {
-var59 = 0;
+if(cltype >= var_new_child->type->table_size) {
+var7 = 0;
 } else {
-var59 = var_new_child->type->type_table[cltype60] == idtype61;
+var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var59)) {
-var_class_name62 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AAnnotations", var_class_name62);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3031);
+if (unlikely(!var7)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3163);
 show_backtrace(1);
 }
 {
-parser_prod__AVardeclExpr__n_annotations_61d(self, var_new_child); /* Direct call parser_prod#AVardeclExpr#n_annotations= on <self:AVardeclExpr>*/
+parser_prod__AImpliesExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AImpliesExpr#n_expr= on <self:AImpliesExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-RET_LABEL:;
-}
-/* method parser_prod#AVardeclExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AVardeclExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AVardeclExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AVardeclExpr#replace_child on <self:Object(AVardeclExpr)>*/
-RET_LABEL:;
+var8 = self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr2].val; /* _n_expr2 on <self:AImpliesExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3166);
+show_backtrace(1);
 }
-/* method parser_prod#AVardeclExpr#n_kwvar= for (self: AVardeclExpr, TKwvar) */
-void parser_prod__AVardeclExpr__n_kwvar_61d(val* self, val* p0) {
-val* var_node /* var node: TKwvar */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AVardeclExpr___n_kwvar].val = var_node; /* _n_kwvar on <self:AVardeclExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwvar> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwvar> */
-RET_LABEL1:(void)0;
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
 }
-RET_LABEL:;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
-/* method parser_prod#AVardeclExpr#n_kwvar= for (self: Object, TKwvar) */
-void VIRTUAL_parser_prod__AVardeclExpr__n_kwvar_61d(val* self, val* p0) {
-parser_prod__AVardeclExpr__n_kwvar_61d(self, p0); /* Direct call parser_prod#AVardeclExpr#n_kwvar= on <self:Object(AVardeclExpr)>*/
-RET_LABEL:;
+var9 = var10;
+}
+if (var9){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
+if(var_new_child == NULL) {
+var15 = 0;
+} else {
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
+} else {
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
+}
+}
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3167);
+show_backtrace(1);
 }
-/* method parser_prod#AVardeclExpr#n_id= for (self: AVardeclExpr, TId) */
-void parser_prod__AVardeclExpr__n_id_61d(val* self, val* p0) {
-val* var_node /* var node: TId */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AVardeclExpr___n_id].val = var_node; /* _n_id on <self:AVardeclExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TId> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TId> */
-RET_LABEL1:(void)0;
+parser_prod__AImpliesExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AImpliesExpr#n_expr2= on <self:AImpliesExpr>*/
 }
+goto RET_LABEL;
+} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#n_id= for (self: Object, TId) */
-void VIRTUAL_parser_prod__AVardeclExpr__n_id_61d(val* self, val* p0) {
-parser_prod__AVardeclExpr__n_id_61d(self, p0); /* Direct call parser_prod#AVardeclExpr#n_id= on <self:Object(AVardeclExpr)>*/
+/* method parser_prod#AImpliesExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AImpliesExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AImpliesExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AImpliesExpr#replace_child on <self:Object(AImpliesExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#n_type= for (self: AVardeclExpr, nullable AType) */
-void parser_prod__AVardeclExpr__n_type_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AType */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#AImpliesExpr#n_expr= for (self: AImpliesExpr, AExpr) */
+void parser_prod__AImpliesExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AVardeclExpr___n_type].val = var_node; /* _n_type on <self:AVardeclExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AType> */
-var_other = var;
+self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr].val = var_node; /* _n_expr on <self:AImpliesExpr> */
 {
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AType(AType)>*/;
-var4 = var5;
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
 }
-var1 = var2;
+RET_LABEL:;
 }
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AType(AType)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AType(AType)> */
-RET_LABEL7:(void)0;
+/* method parser_prod#AImpliesExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AImpliesExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AImpliesExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AImpliesExpr#n_expr= on <self:Object(AImpliesExpr)>*/
+RET_LABEL:;
 }
+/* method parser_prod#AImpliesExpr#n_expr2= for (self: AImpliesExpr, AExpr) */
+void parser_prod__AImpliesExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AImpliesExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#n_type= for (self: Object, nullable AType) */
-void VIRTUAL_parser_prod__AVardeclExpr__n_type_61d(val* self, val* p0) {
-parser_prod__AVardeclExpr__n_type_61d(self, p0); /* Direct call parser_prod#AVardeclExpr#n_type= on <self:Object(AVardeclExpr)>*/
+/* method parser_prod#AImpliesExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AImpliesExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AImpliesExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AImpliesExpr#n_expr2= on <self:Object(AImpliesExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#n_assign= for (self: AVardeclExpr, nullable TAssign) */
-void parser_prod__AVardeclExpr__n_assign_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TAssign */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AVardeclExpr___n_assign].val = var_node; /* _n_assign on <self:AVardeclExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
+/* method parser_prod#AImpliesExpr#visit_all for (self: AImpliesExpr, Visitor) */
+void parser_prod__AImpliesExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr].val; /* _n_expr on <self:AImpliesExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3186);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TAssign> */
-var_other = var;
 {
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TAssign(TAssign)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = var2;
+var1 = self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr2].val; /* _n_expr2 on <self:AImpliesExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3187);
+show_backtrace(1);
 }
-if (var1){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TAssign(TAssign)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TAssign(TAssign)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#n_assign= for (self: Object, nullable TAssign) */
-void VIRTUAL_parser_prod__AVardeclExpr__n_assign_61d(val* self, val* p0) {
-parser_prod__AVardeclExpr__n_assign_61d(self, p0); /* Direct call parser_prod#AVardeclExpr#n_assign= on <self:Object(AVardeclExpr)>*/
+/* method parser_prod#AImpliesExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AImpliesExpr__visit_all(val* self, val* p0) {
+parser_prod__AImpliesExpr__visit_all(self, p0); /* Direct call parser_prod#AImpliesExpr#visit_all on <self:Object(AImpliesExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#n_expr= for (self: AVardeclExpr, nullable AExpr) */
-void parser_prod__AVardeclExpr__n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AExpr */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AVardeclExpr___n_expr].val = var_node; /* _n_expr on <self:AVardeclExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
+/* method parser_prod#ANotExpr#init_anotexpr for (self: ANotExpr, nullable TKwnot, nullable AExpr) */
+void parser_prod__ANotExpr__init_anotexpr(val* self, val* p0, val* p1) {
+val* var_n_kwnot /* var n_kwnot: nullable TKwnot */;
+val* var_n_expr /* var n_expr: nullable AExpr */;
+var_n_kwnot = p0;
+var_n_expr = p1;
+if (unlikely(var_n_kwnot == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3196);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ANotExpr___n_kwnot].val = var_n_kwnot; /* _n_kwnot on <self:ANotExpr> */
+if (var_n_kwnot == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3197);
+show_backtrace(1);
 } else {
-var1 = 1; /* arg is null and recv is not */
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwnot,self) on <var_n_kwnot:nullable TKwnot> */
+if (unlikely(var_n_kwnot == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AExpr> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AExpr(AExpr)>*/;
-var4 = var5;
+var_n_kwnot->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwnot:nullable TKwnot> */
+RET_LABEL1:(void)0;
 }
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
 }
-var1 = var2;
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3198);
+show_backtrace(1);
 }
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AExpr(AExpr)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AExpr(AExpr)> */
-RET_LABEL7:(void)0;
+self->attrs[COLOR_parser_nodes__ANotExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ANotExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3199);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#n_expr= for (self: Object, nullable AExpr) */
-void VIRTUAL_parser_prod__AVardeclExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AVardeclExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AVardeclExpr#n_expr= on <self:Object(AVardeclExpr)>*/
+/* method parser_prod#ANotExpr#init_anotexpr for (self: Object, nullable TKwnot, nullable AExpr) */
+void VIRTUAL_parser_prod__ANotExpr__init_anotexpr(val* self, val* p0, val* p1) {
+parser_prod__ANotExpr__init_anotexpr(self, p0, p1); /* Direct call parser_prod#ANotExpr#init_anotexpr on <self:Object(ANotExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#n_annotations= for (self: AVardeclExpr, nullable AAnnotations) */
-void parser_prod__AVardeclExpr__n_annotations_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AAnnotations */;
-val* var /* : null */;
+/* method parser_prod#ANotExpr#replace_child for (self: ANotExpr, ANode, nullable ANode) */
+void parser_prod__ANotExpr__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : TKwnot */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var4 /* : Bool */;
-short int var5 /* : Bool */;
 short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__Prod___n_annotations].val = var_node; /* _n_annotations on <self:AVardeclExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
+short int var7 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+val* var8 /* : AExpr */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+const char* var_class_name18;
+var_old_child = p0;
+var_new_child = p1;
+var = self->attrs[COLOR_parser_nodes__ANotExpr___n_kwnot].val; /* _n_kwnot on <self:ANotExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnot");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3204);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AAnnotations> */
-var_other = var;
 {
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AAnnotations(AAnnotations)>*/;
-var4 = var5;
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwnot> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwnot> */
+var6 = var == var_other;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
-var6 = !var4;
-var2 = var6;
+}
+var2 = var4;
 goto RET_LABEL3;
 RET_LABEL3:(void)0;
 }
 var1 = var2;
 }
 if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AAnnotations(AAnnotations)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AAnnotations(AAnnotations)> */
-RET_LABEL7:(void)0;
-}
-}
+/* <var_new_child:nullable ANode> isa TKwnot */
+cltype = type_parser_nodes__TKwnot.color;
+idtype = type_parser_nodes__TKwnot.id;
+if(var_new_child == NULL) {
+var7 = 0;
 } else {
+if(cltype >= var_new_child->type->table_size) {
+var7 = 0;
+} else {
+var7 = var_new_child->type->type_table[cltype] == idtype;
 }
-RET_LABEL:;
-}
-/* method parser_prod#AVardeclExpr#n_annotations= for (self: Object, nullable AAnnotations) */
-void VIRTUAL_parser_prod__AVardeclExpr__n_annotations_61d(val* self, val* p0) {
-parser_prod__AVardeclExpr__n_annotations_61d(self, p0); /* Direct call parser_prod#AVardeclExpr#n_annotations= on <self:Object(AVardeclExpr)>*/
-RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#visit_all for (self: AVardeclExpr, Visitor) */
-void parser_prod__AVardeclExpr__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : TKwvar */;
-val* var1 /* : TId */;
-val* var2 /* : nullable AType */;
-val* var3 /* : nullable TAssign */;
-val* var4 /* : nullable AExpr */;
-val* var5 /* : nullable AAnnotations */;
-var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AVardeclExpr___n_kwvar].val; /* _n_kwvar on <self:AVardeclExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwvar");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3070);
+if (unlikely(!var7)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwnot", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3205);
 show_backtrace(1);
 }
 {
-parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+parser_prod__ANotExpr__n_kwnot_61d(self, var_new_child); /* Direct call parser_prod#ANotExpr#n_kwnot= on <self:ANotExpr>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AVardeclExpr___n_id].val; /* _n_id on <self:AVardeclExpr> */
-if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3071);
+goto RET_LABEL;
+} else {
+}
+var8 = self->attrs[COLOR_parser_nodes__ANotExpr___n_expr].val; /* _n_expr on <self:ANotExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3208);
 show_backtrace(1);
 }
 {
-parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var2 = self->attrs[COLOR_parser_nodes__AVardeclExpr___n_type].val; /* _n_type on <self:AVardeclExpr> */
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+var_other = var_old_child;
 {
-parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
+}
+}
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
+}
+var9 = var10;
+}
+if (var9){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
+if(var_new_child == NULL) {
+var15 = 0;
+} else {
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
+} else {
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
+}
+}
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3209);
+show_backtrace(1);
 }
-var3 = self->attrs[COLOR_parser_nodes__AVardeclExpr___n_assign].val; /* _n_assign on <self:AVardeclExpr> */
 {
-parser_nodes__Visitor__enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+parser_prod__ANotExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#ANotExpr#n_expr= on <self:ANotExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+RET_LABEL:;
 }
-var4 = self->attrs[COLOR_parser_nodes__AVardeclExpr___n_expr].val; /* _n_expr on <self:AVardeclExpr> */
+/* method parser_prod#ANotExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__ANotExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__ANotExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ANotExpr#replace_child on <self:Object(ANotExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#ANotExpr#n_kwnot= for (self: ANotExpr, TKwnot) */
+void parser_prod__ANotExpr__n_kwnot_61d(val* self, val* p0) {
+val* var_node /* var node: TKwnot */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ANotExpr___n_kwnot].val = var_node; /* _n_kwnot on <self:ANotExpr> */
 {
-parser_nodes__Visitor__enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwnot> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwnot> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#ANotExpr#n_kwnot= for (self: Object, TKwnot) */
+void VIRTUAL_parser_prod__ANotExpr__n_kwnot_61d(val* self, val* p0) {
+parser_prod__ANotExpr__n_kwnot_61d(self, p0); /* Direct call parser_prod#ANotExpr#n_kwnot= on <self:Object(ANotExpr)>*/
+RET_LABEL:;
 }
-var5 = self->attrs[COLOR_parser_nodes__Prod___n_annotations].val; /* _n_annotations on <self:AVardeclExpr> */
+/* method parser_prod#ANotExpr#n_expr= for (self: ANotExpr, AExpr) */
+void parser_prod__ANotExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ANotExpr___n_expr].val = var_node; /* _n_expr on <self:ANotExpr> */
 {
-parser_nodes__Visitor__enter_visit(var_v, var5); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
+}
 }
 RET_LABEL:;
 }
-/* method parser_prod#AVardeclExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AVardeclExpr__visit_all(val* self, val* p0) {
-parser_prod__AVardeclExpr__visit_all(self, p0); /* Direct call parser_prod#AVardeclExpr#visit_all on <self:Object(AVardeclExpr)>*/
+/* method parser_prod#ANotExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ANotExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__ANotExpr__n_expr_61d(self, p0); /* Direct call parser_prod#ANotExpr#n_expr= on <self:Object(ANotExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AReturnExpr#init_areturnexpr for (self: AReturnExpr, nullable TKwreturn, nullable AExpr) */
-void parser_prod__AReturnExpr__init_areturnexpr(val* self, val* p0, val* p1) {
-val* var_n_kwreturn /* var n_kwreturn: nullable TKwreturn */;
-val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-val* var8 /* : null */;
-short int var9 /* : Bool */;
-short int var10 /* : Bool */;
-short int var12 /* : Bool */;
-short int var13 /* : Bool */;
-short int var14 /* : Bool */;
-var_n_kwreturn = p0;
-var_n_expr = p1;
-self->attrs[COLOR_parser_nodes__AReturnExpr___n_kwreturn].val = var_n_kwreturn; /* _n_kwreturn on <self:AReturnExpr> */
-var = NULL;
-if (var_n_kwreturn == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
+/* method parser_prod#ANotExpr#visit_all for (self: ANotExpr, Visitor) */
+void parser_prod__ANotExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : TKwnot */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__ANotExpr___n_kwnot].val; /* _n_kwnot on <self:ANotExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnot");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3228);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_kwreturn,var) on <var_n_kwreturn:nullable TKwreturn> */
-var_other = var;
 {
-var5 = ((short int (*)(val*, val*))(var_n_kwreturn->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_kwreturn, var_other) /* == on <var_n_kwreturn:nullable TKwreturn(TKwreturn)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = var2;
+var1 = self->attrs[COLOR_parser_nodes__ANotExpr___n_expr].val; /* _n_expr on <self:ANotExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3229);
+show_backtrace(1);
 }
-if (var1){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwreturn,self) on <var_n_kwreturn:nullable TKwreturn(TKwreturn)> */
-var_n_kwreturn->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwreturn:nullable TKwreturn(TKwreturn)> */
-RET_LABEL7:(void)0;
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+RET_LABEL:;
 }
-} else {
+/* method parser_prod#ANotExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__ANotExpr__visit_all(val* self, val* p0) {
+parser_prod__ANotExpr__visit_all(self, p0); /* Direct call parser_prod#ANotExpr#visit_all on <self:Object(ANotExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AEqExpr#init_aeqexpr for (self: AEqExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AEqExpr__init_aeqexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3238);
+show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AReturnExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AReturnExpr> */
-var8 = NULL;
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AEqExpr> */
 if (var_n_expr == NULL) {
-var9 = 0; /* is null */
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3239);
+show_backtrace(1);
 } else {
-var9 = 1; /* arg is null and recv is not */
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_expr,var8) on <var_n_expr:nullable AExpr> */
-var_other = var8;
-{
-var13 = ((short int (*)(val*, val*))(var_n_expr->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_expr, var_other) /* == on <var_n_expr:nullable AExpr(AExpr)>*/;
-var12 = var13;
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL1:(void)0;
 }
-var14 = !var12;
-var10 = var14;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
 }
-var9 = var10;
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3240);
+show_backtrace(1);
 }
-if (var9){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr(AExpr)> */
-var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr(AExpr)> */
-RET_LABEL15:(void)0;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AEqExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3241);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AReturnExpr#init_areturnexpr for (self: Object, nullable TKwreturn, nullable AExpr) */
-void VIRTUAL_parser_prod__AReturnExpr__init_areturnexpr(val* self, val* p0, val* p1) {
-parser_prod__AReturnExpr__init_areturnexpr(self, p0, p1); /* Direct call parser_prod#AReturnExpr#init_areturnexpr on <self:Object(AReturnExpr)>*/
+/* method parser_prod#AEqExpr#init_aeqexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AEqExpr__init_aeqexpr(val* self, val* p0, val* p1) {
+parser_prod__AEqExpr__init_aeqexpr(self, p0, p1); /* Direct call parser_prod#AEqExpr#init_aeqexpr on <self:Object(AEqExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AReturnExpr#replace_child for (self: AReturnExpr, ANode, nullable ANode) */
-void parser_prod__AReturnExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AEqExpr#replace_child for (self: AEqExpr, ANode, nullable ANode) */
+void parser_prod__AEqExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : nullable TKwreturn */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -2910,7 +2816,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : nullable AExpr */;
+val* var8 /* : AExpr */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -2921,14 +2827,17 @@ int idtype17;
 const char* var_class_name18;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AReturnExpr___n_kwreturn].val; /* _n_kwreturn on <self:AReturnExpr> */
-if (var == NULL) {
-var1 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:nullable TKwreturn> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AEqExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3246);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:nullable TKwreturn(TKwreturn)> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -2942,11 +2851,11 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa nullable TKwreturn */
-cltype = type_nullable_parser_nodes__TKwreturn.color;
-idtype = type_nullable_parser_nodes__TKwreturn.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var7 = 1;
+var7 = 0;
 } else {
 if(cltype >= var_new_child->type->table_size) {
 var7 = 0;
@@ -2956,24 +2865,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TKwreturn", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3093);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3247);
 show_backtrace(1);
 }
 {
-parser_prod__AReturnExpr__n_kwreturn_61d(self, var_new_child); /* Direct call parser_prod#AReturnExpr#n_kwreturn= on <self:AReturnExpr>*/
+parser_prod__AEqExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AEqExpr#n_expr= on <self:AEqExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AReturnExpr___n_expr].val; /* _n_expr on <self:AReturnExpr> */
-if (var8 == NULL) {
-var9 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:nullable AExpr> */
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AEqExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3250);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:nullable AExpr(AExpr)> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -2987,11 +2899,11 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa nullable AExpr */
-cltype16 = type_nullable_parser_nodes__AExpr.color;
-idtype17 = type_nullable_parser_nodes__AExpr.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var15 = 1;
+var15 = 0;
 } else {
 if(cltype16 >= var_new_child->type->table_size) {
 var15 = 0;
@@ -3001,216 +2913,150 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3097);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3251);
 show_backtrace(1);
 }
 {
-parser_prod__AReturnExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AReturnExpr#n_expr= on <self:AReturnExpr>*/
+parser_prod__AEqExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AEqExpr#n_expr2= on <self:AEqExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AReturnExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AReturnExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AReturnExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AReturnExpr#replace_child on <self:Object(AReturnExpr)>*/
+/* method parser_prod#AEqExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AEqExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AEqExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AEqExpr#replace_child on <self:Object(AEqExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AReturnExpr#n_kwreturn= for (self: AReturnExpr, nullable TKwreturn) */
-void parser_prod__AReturnExpr__n_kwreturn_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TKwreturn */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#AEqExpr#n_expr= for (self: AEqExpr, AExpr) */
+void parser_prod__AEqExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AReturnExpr___n_kwreturn].val = var_node; /* _n_kwreturn on <self:AReturnExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TKwreturn> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TKwreturn(TKwreturn)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:AEqExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TKwreturn(TKwreturn)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TKwreturn(TKwreturn)> */
-RET_LABEL7:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AReturnExpr#n_kwreturn= for (self: Object, nullable TKwreturn) */
-void VIRTUAL_parser_prod__AReturnExpr__n_kwreturn_61d(val* self, val* p0) {
-parser_prod__AReturnExpr__n_kwreturn_61d(self, p0); /* Direct call parser_prod#AReturnExpr#n_kwreturn= on <self:Object(AReturnExpr)>*/
+/* method parser_prod#AEqExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AEqExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AEqExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AEqExpr#n_expr= on <self:Object(AEqExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AReturnExpr#n_expr= for (self: AReturnExpr, nullable AExpr) */
-void parser_prod__AReturnExpr__n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AExpr */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#AEqExpr#n_expr2= for (self: AEqExpr, AExpr) */
+void parser_prod__AEqExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AReturnExpr___n_expr].val = var_node; /* _n_expr on <self:AReturnExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AExpr> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AExpr(AExpr)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AEqExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AExpr(AExpr)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AExpr(AExpr)> */
-RET_LABEL7:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AReturnExpr#n_expr= for (self: Object, nullable AExpr) */
-void VIRTUAL_parser_prod__AReturnExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AReturnExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AReturnExpr#n_expr= on <self:Object(AReturnExpr)>*/
+/* method parser_prod#AEqExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AEqExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AEqExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AEqExpr#n_expr2= on <self:Object(AEqExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AReturnExpr#visit_all for (self: AReturnExpr, Visitor) */
-void parser_prod__AReturnExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#AEqExpr#visit_all for (self: AEqExpr, Visitor) */
+void parser_prod__AEqExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : nullable TKwreturn */;
-val* var1 /* : nullable AExpr */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AReturnExpr___n_kwreturn].val; /* _n_kwreturn on <self:AReturnExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AEqExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3270);
+show_backtrace(1);
+}
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AReturnExpr___n_expr].val; /* _n_expr on <self:AReturnExpr> */
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AEqExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3271);
+show_backtrace(1);
+}
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AReturnExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AReturnExpr__visit_all(val* self, val* p0) {
-parser_prod__AReturnExpr__visit_all(self, p0); /* Direct call parser_prod#AReturnExpr#visit_all on <self:Object(AReturnExpr)>*/
+/* method parser_prod#AEqExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AEqExpr__visit_all(val* self, val* p0) {
+parser_prod__AEqExpr__visit_all(self, p0); /* Direct call parser_prod#AEqExpr#visit_all on <self:Object(AEqExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ABreakExpr#init_abreakexpr for (self: ABreakExpr, nullable TKwbreak, nullable ALabel) */
-void parser_prod__ABreakExpr__init_abreakexpr(val* self, val* p0, val* p1) {
-val* var_n_kwbreak /* var n_kwbreak: nullable TKwbreak */;
-val* var_n_label /* var n_label: nullable ALabel */;
-val* var /* : null */;
-short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-var_n_kwbreak = p0;
-var_n_label = p1;
-if (unlikely(var_n_kwbreak == NULL)) {
+/* method parser_prod#ANeExpr#init_aneexpr for (self: ANeExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__ANeExpr__init_aneexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3126);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3280);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__ABreakExpr___n_kwbreak].val = var_n_kwbreak; /* _n_kwbreak on <self:ABreakExpr> */
-if (var_n_kwbreak == NULL) {
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ANeExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3127);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3281);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwbreak,self) on <var_n_kwbreak:nullable TKwbreak> */
-if (unlikely(var_n_kwbreak == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_kwbreak->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwbreak:nullable TKwbreak> */
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_n_label; /* _n_label on <self:ABreakExpr> */
-var = NULL;
-if (var_n_label == NULL) {
-var2 = 0; /* is null */
-} else {
-var2 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_label,var) on <var_n_label:nullable ALabel> */
-var_other = var;
-{
-var6 = ((short int (*)(val*, val*))(var_n_label->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_label, var_other) /* == on <var_n_label:nullable ALabel(ALabel)>*/;
-var5 = var6;
-}
-var7 = !var5;
-var3 = var7;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-var2 = var3;
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3282);
+show_backtrace(1);
 }
-if (var2){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_label,self) on <var_n_label:nullable ALabel(ALabel)> */
-var_n_label->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_label:nullable ALabel(ALabel)> */
-RET_LABEL8:(void)0;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:ANeExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3283);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABreakExpr#init_abreakexpr for (self: Object, nullable TKwbreak, nullable ALabel) */
-void VIRTUAL_parser_prod__ABreakExpr__init_abreakexpr(val* self, val* p0, val* p1) {
-parser_prod__ABreakExpr__init_abreakexpr(self, p0, p1); /* Direct call parser_prod#ABreakExpr#init_abreakexpr on <self:Object(ABreakExpr)>*/
+/* method parser_prod#ANeExpr#init_aneexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__ANeExpr__init_aneexpr(val* self, val* p0, val* p1) {
+parser_prod__ANeExpr__init_aneexpr(self, p0, p1); /* Direct call parser_prod#ANeExpr#init_aneexpr on <self:Object(ANeExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ABreakExpr#replace_child for (self: ABreakExpr, ANode, nullable ANode) */
-void parser_prod__ABreakExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ANeExpr#replace_child for (self: ANeExpr, ANode, nullable ANode) */
+void parser_prod__ANeExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwbreak */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -3220,7 +3066,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : nullable ALabel */;
+val* var8 /* : AExpr */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -3231,17 +3077,17 @@ int idtype17;
 const char* var_class_name18;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__ABreakExpr___n_kwbreak].val; /* _n_kwbreak on <self:ABreakExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ANeExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwbreak");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3134);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3288);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwbreak> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwbreak> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -3255,9 +3101,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwbreak */
-cltype = type_parser_nodes__TKwbreak.color;
-idtype = type_parser_nodes__TKwbreak.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -3269,24 +3115,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwbreak", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3135);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3289);
 show_backtrace(1);
 }
 {
-parser_prod__ABreakExpr__n_kwbreak_61d(self, var_new_child); /* Direct call parser_prod#ABreakExpr#n_kwbreak= on <self:ABreakExpr>*/
+parser_prod__ANeExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#ANeExpr#n_expr= on <self:ANeExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:ABreakExpr> */
-if (var8 == NULL) {
-var9 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:nullable ALabel> */
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ANeExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3292);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:nullable ALabel(ALabel)> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -3300,11 +3149,11 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa nullable ALabel */
-cltype16 = type_nullable_parser_nodes__ALabel.color;
-idtype17 = type_nullable_parser_nodes__ALabel.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var15 = 1;
+var15 = 0;
 } else {
 if(cltype16 >= var_new_child->type->table_size) {
 var15 = 0;
@@ -3314,152 +3163,150 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable ALabel", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3139);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3293);
 show_backtrace(1);
 }
 {
-parser_prod__ABreakExpr__n_label_61d(self, var_new_child); /* Direct call parser_prod#ABreakExpr#n_label= on <self:ABreakExpr>*/
+parser_prod__ANeExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#ANeExpr#n_expr2= on <self:ANeExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABreakExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__ABreakExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__ABreakExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ABreakExpr#replace_child on <self:Object(ABreakExpr)>*/
+/* method parser_prod#ANeExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__ANeExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__ANeExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ANeExpr#replace_child on <self:Object(ANeExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ABreakExpr#n_kwbreak= for (self: ABreakExpr, TKwbreak) */
-void parser_prod__ABreakExpr__n_kwbreak_61d(val* self, val* p0) {
-val* var_node /* var node: TKwbreak */;
+/* method parser_prod#ANeExpr#n_expr= for (self: ANeExpr, AExpr) */
+void parser_prod__ANeExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ABreakExpr___n_kwbreak].val = var_node; /* _n_kwbreak on <self:ABreakExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:ANeExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwbreak> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwbreak> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABreakExpr#n_kwbreak= for (self: Object, TKwbreak) */
-void VIRTUAL_parser_prod__ABreakExpr__n_kwbreak_61d(val* self, val* p0) {
-parser_prod__ABreakExpr__n_kwbreak_61d(self, p0); /* Direct call parser_prod#ABreakExpr#n_kwbreak= on <self:Object(ABreakExpr)>*/
+/* method parser_prod#ANeExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ANeExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__ANeExpr__n_expr_61d(self, p0); /* Direct call parser_prod#ANeExpr#n_expr= on <self:Object(ANeExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ABreakExpr#n_label= for (self: ABreakExpr, nullable ALabel) */
-void parser_prod__ABreakExpr__n_label_61d(val* self, val* p0) {
-val* var_node /* var node: nullable ALabel */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#ANeExpr#n_expr2= for (self: ANeExpr, AExpr) */
+void parser_prod__ANeExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_node; /* _n_label on <self:ABreakExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable ALabel> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable ALabel(ALabel)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:ANeExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable ALabel(ALabel)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable ALabel(ALabel)> */
-RET_LABEL7:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABreakExpr#n_label= for (self: Object, nullable ALabel) */
-void VIRTUAL_parser_prod__ABreakExpr__n_label_61d(val* self, val* p0) {
-parser_prod__ABreakExpr__n_label_61d(self, p0); /* Direct call parser_prod#ABreakExpr#n_label= on <self:Object(ABreakExpr)>*/
+/* method parser_prod#ANeExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ANeExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__ANeExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#ANeExpr#n_expr2= on <self:Object(ANeExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ABreakExpr#visit_all for (self: ABreakExpr, Visitor) */
-void parser_prod__ABreakExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#ANeExpr#visit_all for (self: ANeExpr, Visitor) */
+void parser_prod__ANeExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TKwbreak */;
-val* var1 /* : nullable ALabel */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__ABreakExpr___n_kwbreak].val; /* _n_kwbreak on <self:ABreakExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ANeExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwbreak");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3158);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3312);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:ABreakExpr> */
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ANeExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3313);
+show_backtrace(1);
+}
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ABreakExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__ABreakExpr__visit_all(val* self, val* p0) {
-parser_prod__ABreakExpr__visit_all(self, p0); /* Direct call parser_prod#ABreakExpr#visit_all on <self:Object(ABreakExpr)>*/
+/* method parser_prod#ANeExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__ANeExpr__visit_all(val* self, val* p0) {
+parser_prod__ANeExpr__visit_all(self, p0); /* Direct call parser_prod#ANeExpr#visit_all on <self:Object(ANeExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAbortExpr#init_aabortexpr for (self: AAbortExpr, nullable TKwabort) */
-void parser_prod__AAbortExpr__init_aabortexpr(val* self, val* p0) {
-val* var_n_kwabort /* var n_kwabort: nullable TKwabort */;
-var_n_kwabort = p0;
-if (unlikely(var_n_kwabort == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3167);
-show_backtrace(1);
-}
-self->attrs[COLOR_parser_nodes__AAbortExpr___n_kwabort].val = var_n_kwabort; /* _n_kwabort on <self:AAbortExpr> */
-if (var_n_kwabort == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3168);
-show_backtrace(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwabort,self) on <var_n_kwabort:nullable TKwabort> */
-if (unlikely(var_n_kwabort == NULL)) {
+/* method parser_prod#ALtExpr#init_altexpr for (self: ALtExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__ALtExpr__init_altexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3322);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ALtExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3323);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_kwabort->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwabort:nullable TKwabort> */
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3324);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:ALtExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3325);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
+}
+}
 RET_LABEL:;
 }
-/* method parser_prod#AAbortExpr#init_aabortexpr for (self: Object, nullable TKwabort) */
-void VIRTUAL_parser_prod__AAbortExpr__init_aabortexpr(val* self, val* p0) {
-parser_prod__AAbortExpr__init_aabortexpr(self, p0); /* Direct call parser_prod#AAbortExpr#init_aabortexpr on <self:Object(AAbortExpr)>*/
+/* method parser_prod#ALtExpr#init_altexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__ALtExpr__init_altexpr(val* self, val* p0, val* p1) {
+parser_prod__ALtExpr__init_altexpr(self, p0, p1); /* Direct call parser_prod#ALtExpr#init_altexpr on <self:Object(ALtExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAbortExpr#replace_child for (self: AAbortExpr, ANode, nullable ANode) */
-void parser_prod__AAbortExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ALtExpr#replace_child for (self: ALtExpr, ANode, nullable ANode) */
+void parser_prod__ALtExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwabort */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -3469,19 +3316,28 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
+val* var8 /* : AExpr */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+const char* var_class_name18;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AAbortExpr___n_kwabort].val; /* _n_kwabort on <self:AAbortExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ALtExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwabort");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3173);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3330);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwabort> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwabort> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -3495,9 +3351,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwabort */
-cltype = type_parser_nodes__TKwabort.color;
-idtype = type_parser_nodes__TKwabort.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -3509,153 +3365,198 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwabort", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3174);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3331);
+show_backtrace(1);
+}
+{
+parser_prod__ALtExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#ALtExpr#n_expr= on <self:ALtExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ALtExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3334);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
+}
+}
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
+}
+var9 = var10;
+}
+if (var9){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
+if(var_new_child == NULL) {
+var15 = 0;
+} else {
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
+} else {
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
+}
+}
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3335);
 show_backtrace(1);
 }
 {
-parser_prod__AAbortExpr__n_kwabort_61d(self, var_new_child); /* Direct call parser_prod#AAbortExpr#n_kwabort= on <self:AAbortExpr>*/
+parser_prod__ALtExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#ALtExpr#n_expr2= on <self:ALtExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAbortExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AAbortExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AAbortExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AAbortExpr#replace_child on <self:Object(AAbortExpr)>*/
+/* method parser_prod#ALtExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__ALtExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__ALtExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ALtExpr#replace_child on <self:Object(ALtExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAbortExpr#n_kwabort= for (self: AAbortExpr, TKwabort) */
-void parser_prod__AAbortExpr__n_kwabort_61d(val* self, val* p0) {
-val* var_node /* var node: TKwabort */;
+/* method parser_prod#ALtExpr#n_expr= for (self: ALtExpr, AExpr) */
+void parser_prod__ALtExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AAbortExpr___n_kwabort].val = var_node; /* _n_kwabort on <self:AAbortExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:ALtExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwabort> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwabort> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAbortExpr#n_kwabort= for (self: Object, TKwabort) */
-void VIRTUAL_parser_prod__AAbortExpr__n_kwabort_61d(val* self, val* p0) {
-parser_prod__AAbortExpr__n_kwabort_61d(self, p0); /* Direct call parser_prod#AAbortExpr#n_kwabort= on <self:Object(AAbortExpr)>*/
+/* method parser_prod#ALtExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ALtExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__ALtExpr__n_expr_61d(self, p0); /* Direct call parser_prod#ALtExpr#n_expr= on <self:Object(ALtExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAbortExpr#visit_all for (self: AAbortExpr, Visitor) */
-void parser_prod__AAbortExpr__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : TKwabort */;
-var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AAbortExpr___n_kwabort].val; /* _n_kwabort on <self:AAbortExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwabort");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3188);
-show_backtrace(1);
-}
+/* method parser_prod#ALtExpr#n_expr2= for (self: ALtExpr, AExpr) */
+void parser_prod__ALtExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:ALtExpr> */
 {
-parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
+}
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAbortExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AAbortExpr__visit_all(val* self, val* p0) {
-parser_prod__AAbortExpr__visit_all(self, p0); /* Direct call parser_prod#AAbortExpr#visit_all on <self:Object(AAbortExpr)>*/
+/* method parser_prod#ALtExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ALtExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__ALtExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#ALtExpr#n_expr2= on <self:Object(ALtExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AContinueExpr#init_acontinueexpr for (self: AContinueExpr, nullable TKwcontinue, nullable ALabel) */
-void parser_prod__AContinueExpr__init_acontinueexpr(val* self, val* p0, val* p1) {
-val* var_n_kwcontinue /* var n_kwcontinue: nullable TKwcontinue */;
-val* var_n_label /* var n_label: nullable ALabel */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-val* var8 /* : null */;
-short int var9 /* : Bool */;
-short int var10 /* : Bool */;
-short int var12 /* : Bool */;
-short int var13 /* : Bool */;
-short int var14 /* : Bool */;
-var_n_kwcontinue = p0;
-var_n_label = p1;
-self->attrs[COLOR_parser_nodes__AContinueExpr___n_kwcontinue].val = var_n_kwcontinue; /* _n_kwcontinue on <self:AContinueExpr> */
-var = NULL;
-if (var_n_kwcontinue == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
+/* method parser_prod#ALtExpr#visit_all for (self: ALtExpr, Visitor) */
+void parser_prod__ALtExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ALtExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3354);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_kwcontinue,var) on <var_n_kwcontinue:nullable TKwcontinue> */
-var_other = var;
 {
-var5 = ((short int (*)(val*, val*))(var_n_kwcontinue->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_kwcontinue, var_other) /* == on <var_n_kwcontinue:nullable TKwcontinue(TKwcontinue)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = var2;
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ALtExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3355);
+show_backtrace(1);
 }
-if (var1){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwcontinue,self) on <var_n_kwcontinue:nullable TKwcontinue(TKwcontinue)> */
-var_n_kwcontinue->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwcontinue:nullable TKwcontinue(TKwcontinue)> */
-RET_LABEL7:(void)0;
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+RET_LABEL:;
 }
-} else {
+/* method parser_prod#ALtExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__ALtExpr__visit_all(val* self, val* p0) {
+parser_prod__ALtExpr__visit_all(self, p0); /* Direct call parser_prod#ALtExpr#visit_all on <self:Object(ALtExpr)>*/
+RET_LABEL:;
 }
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_n_label; /* _n_label on <self:AContinueExpr> */
-var8 = NULL;
-if (var_n_label == NULL) {
-var9 = 0; /* is null */
+/* method parser_prod#ALeExpr#init_aleexpr for (self: ALeExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__ALeExpr__init_aleexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3364);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ALeExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3365);
+show_backtrace(1);
 } else {
-var9 = 1; /* arg is null and recv is not */
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_label,var8) on <var_n_label:nullable ALabel> */
-var_other = var8;
-{
-var13 = ((short int (*)(val*, val*))(var_n_label->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_label, var_other) /* == on <var_n_label:nullable ALabel(ALabel)>*/;
-var12 = var13;
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL1:(void)0;
 }
-var14 = !var12;
-var10 = var14;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
 }
-var9 = var10;
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3366);
+show_backtrace(1);
 }
-if (var9){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_label,self) on <var_n_label:nullable ALabel(ALabel)> */
-var_n_label->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_label:nullable ALabel(ALabel)> */
-RET_LABEL15:(void)0;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:ALeExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3367);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AContinueExpr#init_acontinueexpr for (self: Object, nullable TKwcontinue, nullable ALabel) */
-void VIRTUAL_parser_prod__AContinueExpr__init_acontinueexpr(val* self, val* p0, val* p1) {
-parser_prod__AContinueExpr__init_acontinueexpr(self, p0, p1); /* Direct call parser_prod#AContinueExpr#init_acontinueexpr on <self:Object(AContinueExpr)>*/
+/* method parser_prod#ALeExpr#init_aleexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__ALeExpr__init_aleexpr(val* self, val* p0, val* p1) {
+parser_prod__ALeExpr__init_aleexpr(self, p0, p1); /* Direct call parser_prod#ALeExpr#init_aleexpr on <self:Object(ALeExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AContinueExpr#replace_child for (self: AContinueExpr, ANode, nullable ANode) */
-void parser_prod__AContinueExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ALeExpr#replace_child for (self: ALeExpr, ANode, nullable ANode) */
+void parser_prod__ALeExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : nullable TKwcontinue */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -3665,7 +3566,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : nullable ALabel */;
+val* var8 /* : AExpr */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -3676,14 +3577,17 @@ int idtype17;
 const char* var_class_name18;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AContinueExpr___n_kwcontinue].val; /* _n_kwcontinue on <self:AContinueExpr> */
-if (var == NULL) {
-var1 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:nullable TKwcontinue> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ALeExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3372);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:nullable TKwcontinue(TKwcontinue)> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -3697,11 +3601,11 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa nullable TKwcontinue */
-cltype = type_nullable_parser_nodes__TKwcontinue.color;
-idtype = type_nullable_parser_nodes__TKwcontinue.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var7 = 1;
+var7 = 0;
 } else {
 if(cltype >= var_new_child->type->table_size) {
 var7 = 0;
@@ -3711,24 +3615,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TKwcontinue", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3206);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3373);
 show_backtrace(1);
 }
 {
-parser_prod__AContinueExpr__n_kwcontinue_61d(self, var_new_child); /* Direct call parser_prod#AContinueExpr#n_kwcontinue= on <self:AContinueExpr>*/
+parser_prod__ALeExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#ALeExpr#n_expr= on <self:ALeExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:AContinueExpr> */
-if (var8 == NULL) {
-var9 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:nullable ALabel> */
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ALeExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3376);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:nullable ALabel(ALabel)> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -3742,11 +3649,11 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa nullable ALabel */
-cltype16 = type_nullable_parser_nodes__ALabel.color;
-idtype17 = type_nullable_parser_nodes__ALabel.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var15 = 1;
+var15 = 0;
 } else {
 if(cltype16 >= var_new_child->type->table_size) {
 var15 = 0;
@@ -3756,254 +3663,150 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable ALabel", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3210);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3377);
 show_backtrace(1);
 }
 {
-parser_prod__AContinueExpr__n_label_61d(self, var_new_child); /* Direct call parser_prod#AContinueExpr#n_label= on <self:AContinueExpr>*/
+parser_prod__ALeExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#ALeExpr#n_expr2= on <self:ALeExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AContinueExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AContinueExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AContinueExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AContinueExpr#replace_child on <self:Object(AContinueExpr)>*/
+/* method parser_prod#ALeExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__ALeExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__ALeExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ALeExpr#replace_child on <self:Object(ALeExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AContinueExpr#n_kwcontinue= for (self: AContinueExpr, nullable TKwcontinue) */
-void parser_prod__AContinueExpr__n_kwcontinue_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TKwcontinue */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#ALeExpr#n_expr= for (self: ALeExpr, AExpr) */
+void parser_prod__ALeExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AContinueExpr___n_kwcontinue].val = var_node; /* _n_kwcontinue on <self:AContinueExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TKwcontinue> */
-var_other = var;
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:ALeExpr> */
 {
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TKwcontinue(TKwcontinue)>*/;
-var4 = var5;
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TKwcontinue(TKwcontinue)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TKwcontinue(TKwcontinue)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AContinueExpr#n_kwcontinue= for (self: Object, nullable TKwcontinue) */
-void VIRTUAL_parser_prod__AContinueExpr__n_kwcontinue_61d(val* self, val* p0) {
-parser_prod__AContinueExpr__n_kwcontinue_61d(self, p0); /* Direct call parser_prod#AContinueExpr#n_kwcontinue= on <self:Object(AContinueExpr)>*/
+/* method parser_prod#ALeExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ALeExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__ALeExpr__n_expr_61d(self, p0); /* Direct call parser_prod#ALeExpr#n_expr= on <self:Object(ALeExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AContinueExpr#n_label= for (self: AContinueExpr, nullable ALabel) */
-void parser_prod__AContinueExpr__n_label_61d(val* self, val* p0) {
-val* var_node /* var node: nullable ALabel */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#ALeExpr#n_expr2= for (self: ALeExpr, AExpr) */
+void parser_prod__ALeExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_node; /* _n_label on <self:AContinueExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable ALabel> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable ALabel(ALabel)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:ALeExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable ALabel(ALabel)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable ALabel(ALabel)> */
-RET_LABEL7:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AContinueExpr#n_label= for (self: Object, nullable ALabel) */
-void VIRTUAL_parser_prod__AContinueExpr__n_label_61d(val* self, val* p0) {
-parser_prod__AContinueExpr__n_label_61d(self, p0); /* Direct call parser_prod#AContinueExpr#n_label= on <self:Object(AContinueExpr)>*/
+/* method parser_prod#ALeExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ALeExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__ALeExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#ALeExpr#n_expr2= on <self:Object(ALeExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AContinueExpr#visit_all for (self: AContinueExpr, Visitor) */
-void parser_prod__AContinueExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#ALeExpr#visit_all for (self: ALeExpr, Visitor) */
+void parser_prod__ALeExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : nullable TKwcontinue */;
-val* var1 /* : nullable ALabel */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AContinueExpr___n_kwcontinue].val; /* _n_kwcontinue on <self:AContinueExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ALeExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3396);
+show_backtrace(1);
+}
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:AContinueExpr> */
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ALeExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3397);
+show_backtrace(1);
+}
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AContinueExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AContinueExpr__visit_all(val* self, val* p0) {
-parser_prod__AContinueExpr__visit_all(self, p0); /* Direct call parser_prod#AContinueExpr#visit_all on <self:Object(AContinueExpr)>*/
+/* method parser_prod#ALeExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__ALeExpr__visit_all(val* self, val* p0) {
+parser_prod__ALeExpr__visit_all(self, p0); /* Direct call parser_prod#ALeExpr#visit_all on <self:Object(ALeExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ADoExpr#init_adoexpr for (self: ADoExpr, nullable TKwdo, nullable AExpr, nullable ALabel) */
-void parser_prod__ADoExpr__init_adoexpr(val* self, val* p0, val* p1, val* p2) {
-val* var_n_kwdo /* var n_kwdo: nullable TKwdo */;
-val* var_n_block /* var n_block: nullable AExpr */;
-val* var_n_label /* var n_label: nullable ALabel */;
-val* var /* : null */;
-short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-val* var9 /* : null */;
-short int var10 /* : Bool */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
-short int var14 /* : Bool */;
-short int var15 /* : Bool */;
-var_n_kwdo = p0;
-var_n_block = p1;
-var_n_label = p2;
-if (unlikely(var_n_kwdo == NULL)) {
+/* method parser_prod#ALlExpr#init_allexpr for (self: ALlExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__ALlExpr__init_allexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3240);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3406);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__ADoExpr___n_kwdo].val = var_n_kwdo; /* _n_kwdo on <self:ADoExpr> */
-if (var_n_kwdo == NULL) {
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ALlExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3241);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3407);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwdo,self) on <var_n_kwdo:nullable TKwdo> */
-if (unlikely(var_n_kwdo == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_kwdo->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwdo:nullable TKwdo> */
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-self->attrs[COLOR_parser_nodes__ADoExpr___n_block].val = var_n_block; /* _n_block on <self:ADoExpr> */
-var = NULL;
-if (var_n_block == NULL) {
-var2 = 0; /* is null */
-} else {
-var2 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_block,var) on <var_n_block:nullable AExpr> */
-var_other = var;
-{
-var6 = ((short int (*)(val*, val*))(var_n_block->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_block, var_other) /* == on <var_n_block:nullable AExpr(AExpr)>*/;
-var5 = var6;
-}
-var7 = !var5;
-var3 = var7;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-var2 = var3;
-}
-if (var2){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_block,self) on <var_n_block:nullable AExpr(AExpr)> */
-var_n_block->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_block:nullable AExpr(AExpr)> */
-RET_LABEL8:(void)0;
-}
-}
-} else {
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3408);
+show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_n_label; /* _n_label on <self:ADoExpr> */
-var9 = NULL;
-if (var_n_label == NULL) {
-var10 = 0; /* is null */
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:ALlExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3409);
+show_backtrace(1);
 } else {
-var10 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_label,var9) on <var_n_label:nullable ALabel> */
-var_other = var9;
-{
-var14 = ((short int (*)(val*, val*))(var_n_label->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_label, var_other) /* == on <var_n_label:nullable ALabel(ALabel)>*/;
-var13 = var14;
-}
-var15 = !var13;
-var11 = var15;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
-}
-var10 = var11;
-}
-if (var10){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_label,self) on <var_n_label:nullable ALabel(ALabel)> */
-var_n_label->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_label:nullable ALabel(ALabel)> */
-RET_LABEL16:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADoExpr#init_adoexpr for (self: Object, nullable TKwdo, nullable AExpr, nullable ALabel) */
-void VIRTUAL_parser_prod__ADoExpr__init_adoexpr(val* self, val* p0, val* p1, val* p2) {
-parser_prod__ADoExpr__init_adoexpr(self, p0, p1, p2); /* Direct call parser_prod#ADoExpr#init_adoexpr on <self:Object(ADoExpr)>*/
+/* method parser_prod#ALlExpr#init_allexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__ALlExpr__init_allexpr(val* self, val* p0, val* p1) {
+parser_prod__ALlExpr__init_allexpr(self, p0, p1); /* Direct call parser_prod#ALlExpr#init_allexpr on <self:Object(ALlExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ADoExpr#replace_child for (self: ADoExpr, ANode, nullable ANode) */
-void parser_prod__ADoExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ALlExpr#replace_child for (self: ALlExpr, ANode, nullable ANode) */
+void parser_prod__ALlExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwdo */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -4013,7 +3816,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : nullable AExpr */;
+val* var8 /* : AExpr */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -4022,28 +3825,19 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
-val* var19 /* : nullable ALabel */;
-short int var20 /* : Bool */;
-short int var21 /* : Bool */;
-short int var23 /* : Bool */;
-short int var25 /* : Bool */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-const char* var_class_name29;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__ADoExpr___n_kwdo].val; /* _n_kwdo on <self:ADoExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ALlExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdo");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3250);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3414);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwdo> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwdo> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -4057,9 +3851,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwdo */
-cltype = type_parser_nodes__TKwdo.color;
-idtype = type_parser_nodes__TKwdo.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -4071,24 +3865,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwdo", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3251);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3415);
 show_backtrace(1);
 }
 {
-parser_prod__ADoExpr__n_kwdo_61d(self, var_new_child); /* Direct call parser_prod#ADoExpr#n_kwdo= on <self:ADoExpr>*/
+parser_prod__ALlExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#ALlExpr#n_expr= on <self:ALlExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__ADoExpr___n_block].val; /* _n_block on <self:ADoExpr> */
-if (var8 == NULL) {
-var9 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:nullable AExpr> */
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ALlExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3418);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:nullable AExpr(AExpr)> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -4102,11 +3899,11 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa nullable AExpr */
-cltype16 = type_nullable_parser_nodes__AExpr.color;
-idtype17 = type_nullable_parser_nodes__AExpr.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var15 = 1;
+var15 = 0;
 } else {
 if(cltype16 >= var_new_child->type->table_size) {
 var15 = 0;
@@ -4116,350 +3913,150 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3255);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3419);
 show_backtrace(1);
 }
 {
-parser_prod__ADoExpr__n_block_61d(self, var_new_child); /* Direct call parser_prod#ADoExpr#n_block= on <self:ADoExpr>*/
+parser_prod__ALlExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#ALlExpr#n_expr2= on <self:ALlExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var19 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:ADoExpr> */
-if (var19 == NULL) {
-var20 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:nullable ALabel> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:nullable ALabel(ALabel)> */
-var25 = var19 == var_other;
-var23 = var25;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
-}
-}
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
-}
-var20 = var21;
-}
-if (var20){
-/* <var_new_child:nullable ANode> isa nullable ALabel */
-cltype27 = type_nullable_parser_nodes__ALabel.color;
-idtype28 = type_nullable_parser_nodes__ALabel.id;
-if(var_new_child == NULL) {
-var26 = 1;
-} else {
-if(cltype27 >= var_new_child->type->table_size) {
-var26 = 0;
-} else {
-var26 = var_new_child->type->type_table[cltype27] == idtype28;
-}
+RET_LABEL:;
 }
-if (unlikely(!var26)) {
-var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable ALabel", var_class_name29);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3259);
-show_backtrace(1);
+/* method parser_prod#ALlExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__ALlExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__ALlExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ALlExpr#replace_child on <self:Object(ALlExpr)>*/
+RET_LABEL:;
 }
+/* method parser_prod#ALlExpr#n_expr= for (self: ALlExpr, AExpr) */
+void parser_prod__ALlExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:ALlExpr> */
 {
-parser_prod__ADoExpr__n_label_61d(self, var_new_child); /* Direct call parser_prod#ADoExpr#n_label= on <self:ADoExpr>*/
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-goto RET_LABEL;
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADoExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__ADoExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__ADoExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ADoExpr#replace_child on <self:Object(ADoExpr)>*/
+/* method parser_prod#ALlExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ALlExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__ALlExpr__n_expr_61d(self, p0); /* Direct call parser_prod#ALlExpr#n_expr= on <self:Object(ALlExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ADoExpr#n_kwdo= for (self: ADoExpr, TKwdo) */
-void parser_prod__ADoExpr__n_kwdo_61d(val* self, val* p0) {
-val* var_node /* var node: TKwdo */;
+/* method parser_prod#ALlExpr#n_expr2= for (self: ALlExpr, AExpr) */
+void parser_prod__ALlExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ADoExpr___n_kwdo].val = var_node; /* _n_kwdo on <self:ADoExpr> */
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:ALlExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwdo> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwdo> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ADoExpr#n_kwdo= for (self: Object, TKwdo) */
-void VIRTUAL_parser_prod__ADoExpr__n_kwdo_61d(val* self, val* p0) {
-parser_prod__ADoExpr__n_kwdo_61d(self, p0); /* Direct call parser_prod#ADoExpr#n_kwdo= on <self:Object(ADoExpr)>*/
+/* method parser_prod#ALlExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ALlExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__ALlExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#ALlExpr#n_expr2= on <self:Object(ALlExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ADoExpr#n_block= for (self: ADoExpr, nullable AExpr) */
-void parser_prod__ADoExpr__n_block_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AExpr */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__ADoExpr___n_block].val = var_node; /* _n_block on <self:ADoExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
+/* method parser_prod#ALlExpr#visit_all for (self: ALlExpr, Visitor) */
+void parser_prod__ALlExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ALlExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3438);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AExpr> */
-var_other = var;
 {
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AExpr(AExpr)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = var2;
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ALlExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3439);
+show_backtrace(1);
 }
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AExpr(AExpr)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AExpr(AExpr)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#ADoExpr#n_block= for (self: Object, nullable AExpr) */
-void VIRTUAL_parser_prod__ADoExpr__n_block_61d(val* self, val* p0) {
-parser_prod__ADoExpr__n_block_61d(self, p0); /* Direct call parser_prod#ADoExpr#n_block= on <self:Object(ADoExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#ADoExpr#n_label= for (self: ADoExpr, nullable ALabel) */
-void parser_prod__ADoExpr__n_label_61d(val* self, val* p0) {
-val* var_node /* var node: nullable ALabel */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_node; /* _n_label on <self:ADoExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable ALabel> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable ALabel(ALabel)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable ALabel(ALabel)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable ALabel(ALabel)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#ADoExpr#n_label= for (self: Object, nullable ALabel) */
-void VIRTUAL_parser_prod__ADoExpr__n_label_61d(val* self, val* p0) {
-parser_prod__ADoExpr__n_label_61d(self, p0); /* Direct call parser_prod#ADoExpr#n_label= on <self:Object(ADoExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#ADoExpr#visit_all for (self: ADoExpr, Visitor) */
-void parser_prod__ADoExpr__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : TKwdo */;
-val* var1 /* : nullable AExpr */;
-val* var2 /* : nullable ALabel */;
-var_v = p0;
-var = self->attrs[COLOR_parser_nodes__ADoExpr___n_kwdo].val; /* _n_kwdo on <self:ADoExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdo");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3283);
-show_backtrace(1);
-}
-{
-parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var1 = self->attrs[COLOR_parser_nodes__ADoExpr___n_block].val; /* _n_block on <self:ADoExpr> */
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var2 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:ADoExpr> */
-{
-parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
 RET_LABEL:;
 }
-/* method parser_prod#ADoExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__ADoExpr__visit_all(val* self, val* p0) {
-parser_prod__ADoExpr__visit_all(self, p0); /* Direct call parser_prod#ADoExpr#visit_all on <self:Object(ADoExpr)>*/
+/* method parser_prod#ALlExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__ALlExpr__visit_all(val* self, val* p0) {
+parser_prod__ALlExpr__visit_all(self, p0); /* Direct call parser_prod#ALlExpr#visit_all on <self:Object(ALlExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AIfExpr#init_aifexpr for (self: AIfExpr, nullable TKwif, nullable AExpr, nullable AExpr, nullable AExpr) */
-void parser_prod__AIfExpr__init_aifexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
-val* var_n_kwif /* var n_kwif: nullable TKwif */;
+/* method parser_prod#AGtExpr#init_agtexpr for (self: AGtExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AGtExpr__init_agtexpr(val* self, val* p0, val* p1) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_then /* var n_then: nullable AExpr */;
-val* var_n_else /* var n_else: nullable AExpr */;
-val* var /* : null */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
-val* var10 /* : null */;
-short int var11 /* : Bool */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-short int var15 /* : Bool */;
-short int var16 /* : Bool */;
-var_n_kwif = p0;
-var_n_expr = p1;
-var_n_then = p2;
-var_n_else = p3;
-if (unlikely(var_n_kwif == NULL)) {
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3296);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3448);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AIfExpr___n_kwif].val = var_n_kwif; /* _n_kwif on <self:AIfExpr> */
-if (var_n_kwif == NULL) {
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AGtExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3297);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3449);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwif,self) on <var_n_kwif:nullable TKwif> */
-if (unlikely(var_n_kwif == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_kwif->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwif:nullable TKwif> */
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-if (unlikely(var_n_expr == NULL)) {
+if (unlikely(var_n_expr2 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3298);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3450);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AIfExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AIfExpr> */
-if (var_n_expr == NULL) {
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AGtExpr> */
+if (var_n_expr2 == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3299);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3451);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
-if (unlikely(var_n_expr == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
 RET_LABEL2:(void)0;
 }
 }
-self->attrs[COLOR_parser_nodes__AIfExpr___n_then].val = var_n_then; /* _n_then on <self:AIfExpr> */
-var = NULL;
-if (var_n_then == NULL) {
-var3 = 0; /* is null */
-} else {
-var3 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_then,var) on <var_n_then:nullable AExpr> */
-var_other = var;
-{
-var7 = ((short int (*)(val*, val*))(var_n_then->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_then, var_other) /* == on <var_n_then:nullable AExpr(AExpr)>*/;
-var6 = var7;
-}
-var8 = !var6;
-var4 = var8;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
-}
-var3 = var4;
-}
-if (var3){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_then,self) on <var_n_then:nullable AExpr(AExpr)> */
-var_n_then->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_then:nullable AExpr(AExpr)> */
-RET_LABEL9:(void)0;
-}
-}
-} else {
-}
-self->attrs[COLOR_parser_nodes__AIfExpr___n_else].val = var_n_else; /* _n_else on <self:AIfExpr> */
-var10 = NULL;
-if (var_n_else == NULL) {
-var11 = 0; /* is null */
-} else {
-var11 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_else,var10) on <var_n_else:nullable AExpr> */
-var_other = var10;
-{
-var15 = ((short int (*)(val*, val*))(var_n_else->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_else, var_other) /* == on <var_n_else:nullable AExpr(AExpr)>*/;
-var14 = var15;
-}
-var16 = !var14;
-var12 = var16;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
-}
-var11 = var12;
-}
-if (var11){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_else,self) on <var_n_else:nullable AExpr(AExpr)> */
-var_n_else->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_else:nullable AExpr(AExpr)> */
-RET_LABEL17:(void)0;
-}
-}
-} else {
-}
 RET_LABEL:;
 }
-/* method parser_prod#AIfExpr#init_aifexpr for (self: Object, nullable TKwif, nullable AExpr, nullable AExpr, nullable AExpr) */
-void VIRTUAL_parser_prod__AIfExpr__init_aifexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
-parser_prod__AIfExpr__init_aifexpr(self, p0, p1, p2, p3); /* Direct call parser_prod#AIfExpr#init_aifexpr on <self:Object(AIfExpr)>*/
+/* method parser_prod#AGtExpr#init_agtexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AGtExpr__init_agtexpr(val* self, val* p0, val* p1) {
+parser_prod__AGtExpr__init_agtexpr(self, p0, p1); /* Direct call parser_prod#AGtExpr#init_agtexpr on <self:Object(AGtExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AIfExpr#replace_child for (self: AIfExpr, ANode, nullable ANode) */
-void parser_prod__AIfExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AGtExpr#replace_child for (self: AGtExpr, ANode, nullable ANode) */
+void parser_prod__AGtExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwif */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -4478,37 +4075,19 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
-val* var19 /* : nullable AExpr */;
-short int var20 /* : Bool */;
-short int var21 /* : Bool */;
-short int var23 /* : Bool */;
-short int var25 /* : Bool */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-const char* var_class_name29;
-val* var30 /* : nullable AExpr */;
-short int var31 /* : Bool */;
-short int var32 /* : Bool */;
-short int var34 /* : Bool */;
-short int var36 /* : Bool */;
-short int var37 /* : Bool */;
-int cltype38;
-int idtype39;
-const char* var_class_name40;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AIfExpr___n_kwif].val; /* _n_kwif on <self:AIfExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AGtExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwif");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3308);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3456);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwif> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwif> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -4522,9 +4101,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwif */
-cltype = type_parser_nodes__TKwif.color;
-idtype = type_parser_nodes__TKwif.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -4536,20 +4115,20 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwif", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3309);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3457);
 show_backtrace(1);
 }
 {
-parser_prod__AIfExpr__n_kwif_61d(self, var_new_child); /* Direct call parser_prod#AIfExpr#n_kwif= on <self:AIfExpr>*/
+parser_prod__AGtExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AGtExpr#n_expr= on <self:AGtExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AIfExpr___n_expr].val; /* _n_expr on <self:AIfExpr> */
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AGtExpr> */
 if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3312);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3460);
 show_backtrace(1);
 }
 {
@@ -4585,437 +4164,149 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3313);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3461);
 show_backtrace(1);
 }
 {
-parser_prod__AIfExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AIfExpr#n_expr= on <self:AIfExpr>*/
+parser_prod__AGtExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AGtExpr#n_expr2= on <self:AGtExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var19 = self->attrs[COLOR_parser_nodes__AIfExpr___n_then].val; /* _n_then on <self:AIfExpr> */
-if (var19 == NULL) {
-var20 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:nullable AExpr> */
-var_other = var_old_child;
+RET_LABEL:;
+}
+/* method parser_prod#AGtExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AGtExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AGtExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AGtExpr#replace_child on <self:Object(AGtExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AGtExpr#n_expr= for (self: AGtExpr, AExpr) */
+void parser_prod__AGtExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:AGtExpr> */
 {
-{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:nullable AExpr(AExpr)> */
-var25 = var19 == var_other;
-var23 = var25;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
 }
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
+RET_LABEL:;
 }
-var20 = var21;
+/* method parser_prod#AGtExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AGtExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AGtExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AGtExpr#n_expr= on <self:Object(AGtExpr)>*/
+RET_LABEL:;
 }
-if (var20){
-/* <var_new_child:nullable ANode> isa nullable AExpr */
-cltype27 = type_nullable_parser_nodes__AExpr.color;
-idtype28 = type_nullable_parser_nodes__AExpr.id;
-if(var_new_child == NULL) {
-var26 = 1;
-} else {
-if(cltype27 >= var_new_child->type->table_size) {
-var26 = 0;
-} else {
-var26 = var_new_child->type->type_table[cltype27] == idtype28;
+/* method parser_prod#AGtExpr#n_expr2= for (self: AGtExpr, AExpr) */
+void parser_prod__AGtExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AGtExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
 }
-if (unlikely(!var26)) {
-var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AExpr", var_class_name29);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3317);
+RET_LABEL:;
+}
+/* method parser_prod#AGtExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AGtExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AGtExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AGtExpr#n_expr2= on <self:Object(AGtExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AGtExpr#visit_all for (self: AGtExpr, Visitor) */
+void parser_prod__AGtExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AGtExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3480);
 show_backtrace(1);
 }
 {
-parser_prod__AIfExpr__n_then_61d(self, var_new_child); /* Direct call parser_prod#AIfExpr#n_then= on <self:AIfExpr>*/
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-goto RET_LABEL;
-} else {
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AGtExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3481);
+show_backtrace(1);
 }
-var30 = self->attrs[COLOR_parser_nodes__AIfExpr___n_else].val; /* _n_else on <self:AIfExpr> */
-if (var30 == NULL) {
-var31 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var30,var_old_child) on <var30:nullable AExpr> */
-var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var30,var_other) on <var30:nullable AExpr(AExpr)> */
-var36 = var30 == var_other;
-var34 = var36;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
-}
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var32 = var34;
-goto RET_LABEL33;
-RET_LABEL33:(void)0;
+RET_LABEL:;
 }
-var31 = var32;
+/* method parser_prod#AGtExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AGtExpr__visit_all(val* self, val* p0) {
+parser_prod__AGtExpr__visit_all(self, p0); /* Direct call parser_prod#AGtExpr#visit_all on <self:Object(AGtExpr)>*/
+RET_LABEL:;
 }
-if (var31){
-/* <var_new_child:nullable ANode> isa nullable AExpr */
-cltype38 = type_nullable_parser_nodes__AExpr.color;
-idtype39 = type_nullable_parser_nodes__AExpr.id;
-if(var_new_child == NULL) {
-var37 = 1;
-} else {
-if(cltype38 >= var_new_child->type->table_size) {
-var37 = 0;
-} else {
-var37 = var_new_child->type->type_table[cltype38] == idtype39;
-}
-}
-if (unlikely(!var37)) {
-var_class_name40 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AExpr", var_class_name40);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3321);
-show_backtrace(1);
-}
-{
-parser_prod__AIfExpr__n_else_61d(self, var_new_child); /* Direct call parser_prod#AIfExpr#n_else= on <self:AIfExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIfExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AIfExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AIfExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AIfExpr#replace_child on <self:Object(AIfExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AIfExpr#n_kwif= for (self: AIfExpr, TKwif) */
-void parser_prod__AIfExpr__n_kwif_61d(val* self, val* p0) {
-val* var_node /* var node: TKwif */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AIfExpr___n_kwif].val = var_node; /* _n_kwif on <self:AIfExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwif> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwif> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIfExpr#n_kwif= for (self: Object, TKwif) */
-void VIRTUAL_parser_prod__AIfExpr__n_kwif_61d(val* self, val* p0) {
-parser_prod__AIfExpr__n_kwif_61d(self, p0); /* Direct call parser_prod#AIfExpr#n_kwif= on <self:Object(AIfExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AIfExpr#n_expr= for (self: AIfExpr, AExpr) */
-void parser_prod__AIfExpr__n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AIfExpr___n_expr].val = var_node; /* _n_expr on <self:AIfExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIfExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AIfExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AIfExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AIfExpr#n_expr= on <self:Object(AIfExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AIfExpr#n_then= for (self: AIfExpr, nullable AExpr) */
-void parser_prod__AIfExpr__n_then_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AExpr */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AIfExpr___n_then].val = var_node; /* _n_then on <self:AIfExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AExpr> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AExpr(AExpr)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AExpr(AExpr)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AExpr(AExpr)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIfExpr#n_then= for (self: Object, nullable AExpr) */
-void VIRTUAL_parser_prod__AIfExpr__n_then_61d(val* self, val* p0) {
-parser_prod__AIfExpr__n_then_61d(self, p0); /* Direct call parser_prod#AIfExpr#n_then= on <self:Object(AIfExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AIfExpr#n_else= for (self: AIfExpr, nullable AExpr) */
-void parser_prod__AIfExpr__n_else_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AExpr */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AIfExpr___n_else].val = var_node; /* _n_else on <self:AIfExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AExpr> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AExpr(AExpr)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AExpr(AExpr)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AExpr(AExpr)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIfExpr#n_else= for (self: Object, nullable AExpr) */
-void VIRTUAL_parser_prod__AIfExpr__n_else_61d(val* self, val* p0) {
-parser_prod__AIfExpr__n_else_61d(self, p0); /* Direct call parser_prod#AIfExpr#n_else= on <self:Object(AIfExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AIfExpr#visit_all for (self: AIfExpr, Visitor) */
-void parser_prod__AIfExpr__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : TKwif */;
-val* var1 /* : AExpr */;
-val* var2 /* : nullable AExpr */;
-val* var3 /* : nullable AExpr */;
-var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AIfExpr___n_kwif].val; /* _n_kwif on <self:AIfExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwif");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3350);
-show_backtrace(1);
-}
-{
-parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var1 = self->attrs[COLOR_parser_nodes__AIfExpr___n_expr].val; /* _n_expr on <self:AIfExpr> */
-if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3351);
-show_backtrace(1);
-}
-{
-parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var2 = self->attrs[COLOR_parser_nodes__AIfExpr___n_then].val; /* _n_then on <self:AIfExpr> */
-{
-parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var3 = self->attrs[COLOR_parser_nodes__AIfExpr___n_else].val; /* _n_else on <self:AIfExpr> */
-{
-parser_nodes__Visitor__enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIfExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AIfExpr__visit_all(val* self, val* p0) {
-parser_prod__AIfExpr__visit_all(self, p0); /* Direct call parser_prod#AIfExpr#visit_all on <self:Object(AIfExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AIfexprExpr#init_aifexprexpr for (self: AIfexprExpr, nullable TKwif, nullable AExpr, nullable TKwthen, nullable AExpr, nullable TKwelse, nullable AExpr) */
-void parser_prod__AIfexprExpr__init_aifexprexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4, val* p5) {
-val* var_n_kwif /* var n_kwif: nullable TKwif */;
+/* method parser_prod#AGeExpr#init_ageexpr for (self: AGeExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AGeExpr__init_ageexpr(val* self, val* p0, val* p1) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_kwthen /* var n_kwthen: nullable TKwthen */;
-val* var_n_then /* var n_then: nullable AExpr */;
-val* var_n_kwelse /* var n_kwelse: nullable TKwelse */;
-val* var_n_else /* var n_else: nullable AExpr */;
-var_n_kwif = p0;
-var_n_expr = p1;
-var_n_kwthen = p2;
-var_n_then = p3;
-var_n_kwelse = p4;
-var_n_else = p5;
-if (unlikely(var_n_kwif == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3366);
-show_backtrace(1);
-}
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwif].val = var_n_kwif; /* _n_kwif on <self:AIfexprExpr> */
-if (var_n_kwif == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3367);
-show_backtrace(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwif,self) on <var_n_kwif:nullable TKwif> */
-if (unlikely(var_n_kwif == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
-show_backtrace(1);
-}
-var_n_kwif->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwif:nullable TKwif> */
-RET_LABEL1:(void)0;
-}
-}
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3368);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3490);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AIfexprExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AGeExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3369);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3491);
 show_backtrace(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
 var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
-RET_LABEL2:(void)0;
-}
-}
-if (unlikely(var_n_kwthen == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3370);
-show_backtrace(1);
-}
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwthen].val = var_n_kwthen; /* _n_kwthen on <self:AIfexprExpr> */
-if (var_n_kwthen == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3371);
-show_backtrace(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwthen,self) on <var_n_kwthen:nullable TKwthen> */
-if (unlikely(var_n_kwthen == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
-show_backtrace(1);
-}
-var_n_kwthen->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwthen:nullable TKwthen> */
-RET_LABEL3:(void)0;
-}
-}
-if (unlikely(var_n_then == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3372);
-show_backtrace(1);
-}
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_then].val = var_n_then; /* _n_then on <self:AIfexprExpr> */
-if (var_n_then == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3373);
-show_backtrace(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_then,self) on <var_n_then:nullable AExpr> */
-if (unlikely(var_n_then == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
-show_backtrace(1);
-}
-var_n_then->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_then:nullable AExpr> */
-RET_LABEL4:(void)0;
-}
-}
-if (unlikely(var_n_kwelse == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3374);
-show_backtrace(1);
-}
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwelse].val = var_n_kwelse; /* _n_kwelse on <self:AIfexprExpr> */
-if (var_n_kwelse == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3375);
-show_backtrace(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwelse,self) on <var_n_kwelse:nullable TKwelse> */
-if (unlikely(var_n_kwelse == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
-show_backtrace(1);
-}
-var_n_kwelse->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwelse:nullable TKwelse> */
-RET_LABEL5:(void)0;
+RET_LABEL1:(void)0;
 }
 }
-if (unlikely(var_n_else == NULL)) {
+if (unlikely(var_n_expr2 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3376);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3492);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_else].val = var_n_else; /* _n_else on <self:AIfexprExpr> */
-if (var_n_else == NULL) {
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AGeExpr> */
+if (var_n_expr2 == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3377);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3493);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_else,self) on <var_n_else:nullable AExpr> */
-if (unlikely(var_n_else == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_else->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_else:nullable AExpr> */
-RET_LABEL6:(void)0;
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AIfexprExpr#init_aifexprexpr for (self: Object, nullable TKwif, nullable AExpr, nullable TKwthen, nullable AExpr, nullable TKwelse, nullable AExpr) */
-void VIRTUAL_parser_prod__AIfexprExpr__init_aifexprexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4, val* p5) {
-parser_prod__AIfexprExpr__init_aifexprexpr(self, p0, p1, p2, p3, p4, p5); /* Direct call parser_prod#AIfexprExpr#init_aifexprexpr on <self:Object(AIfexprExpr)>*/
+/* method parser_prod#AGeExpr#init_ageexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AGeExpr__init_ageexpr(val* self, val* p0, val* p1) {
+parser_prod__AGeExpr__init_ageexpr(self, p0, p1); /* Direct call parser_prod#AGeExpr#init_ageexpr on <self:Object(AGeExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AIfexprExpr#replace_child for (self: AIfexprExpr, ANode, nullable ANode) */
-void parser_prod__AIfexprExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AGeExpr#replace_child for (self: AGeExpr, ANode, nullable ANode) */
+void parser_prod__AGeExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwif */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -5034,55 +4325,19 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
-val* var19 /* : TKwthen */;
-short int var20 /* : Bool */;
-short int var21 /* : Bool */;
-short int var23 /* : Bool */;
-short int var25 /* : Bool */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-const char* var_class_name29;
-val* var30 /* : AExpr */;
-short int var31 /* : Bool */;
-short int var32 /* : Bool */;
-short int var34 /* : Bool */;
-short int var36 /* : Bool */;
-short int var37 /* : Bool */;
-int cltype38;
-int idtype39;
-const char* var_class_name40;
-val* var41 /* : TKwelse */;
-short int var42 /* : Bool */;
-short int var43 /* : Bool */;
-short int var45 /* : Bool */;
-short int var47 /* : Bool */;
-short int var48 /* : Bool */;
-int cltype49;
-int idtype50;
-const char* var_class_name51;
-val* var52 /* : AExpr */;
-short int var53 /* : Bool */;
-short int var54 /* : Bool */;
-short int var56 /* : Bool */;
-short int var58 /* : Bool */;
-short int var59 /* : Bool */;
-int cltype60;
-int idtype61;
-const char* var_class_name62;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwif].val; /* _n_kwif on <self:AIfexprExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AGeExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwif");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3382);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3498);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwif> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwif> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -5096,9 +4351,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwif */
-cltype = type_parser_nodes__TKwif.color;
-idtype = type_parser_nodes__TKwif.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -5110,20 +4365,20 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwif", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3383);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3499);
 show_backtrace(1);
 }
 {
-parser_prod__AIfexprExpr__n_kwif_61d(self, var_new_child); /* Direct call parser_prod#AIfexprExpr#n_kwif= on <self:AIfexprExpr>*/
+parser_prod__AGeExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AGeExpr#n_expr= on <self:AGeExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_expr].val; /* _n_expr on <self:AIfexprExpr> */
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AGeExpr> */
 if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3386);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3502);
 show_backtrace(1);
 }
 {
@@ -5159,273 +4414,277 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3387);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3503);
 show_backtrace(1);
 }
 {
-parser_prod__AIfexprExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AIfexprExpr#n_expr= on <self:AIfexprExpr>*/
+parser_prod__AGeExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AGeExpr#n_expr2= on <self:AGeExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var19 = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwthen].val; /* _n_kwthen on <self:AIfexprExpr> */
-if (unlikely(var19 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwthen");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3390);
-show_backtrace(1);
+RET_LABEL:;
 }
+/* method parser_prod#AGeExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AGeExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AGeExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AGeExpr#replace_child on <self:Object(AGeExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AGeExpr#n_expr= for (self: AGeExpr, AExpr) */
+void parser_prod__AGeExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:AGeExpr> */
 {
-{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:TKwthen> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:TKwthen> */
-var25 = var19 == var_other;
-var23 = var25;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
 }
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
+RET_LABEL:;
 }
-var20 = var21;
+/* method parser_prod#AGeExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AGeExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AGeExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AGeExpr#n_expr= on <self:Object(AGeExpr)>*/
+RET_LABEL:;
 }
-if (var20){
-/* <var_new_child:nullable ANode> isa TKwthen */
-cltype27 = type_parser_nodes__TKwthen.color;
-idtype28 = type_parser_nodes__TKwthen.id;
-if(var_new_child == NULL) {
-var26 = 0;
-} else {
-if(cltype27 >= var_new_child->type->table_size) {
-var26 = 0;
-} else {
-var26 = var_new_child->type->type_table[cltype27] == idtype28;
+/* method parser_prod#AGeExpr#n_expr2= for (self: AGeExpr, AExpr) */
+void parser_prod__AGeExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AGeExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
 }
-if (unlikely(!var26)) {
-var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwthen", var_class_name29);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3391);
+RET_LABEL:;
+}
+/* method parser_prod#AGeExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AGeExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AGeExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AGeExpr#n_expr2= on <self:Object(AGeExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AGeExpr#visit_all for (self: AGeExpr, Visitor) */
+void parser_prod__AGeExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AGeExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3522);
 show_backtrace(1);
 }
 {
-parser_prod__AIfexprExpr__n_kwthen_61d(self, var_new_child); /* Direct call parser_prod#AIfexprExpr#n_kwthen= on <self:AIfexprExpr>*/
-}
-goto RET_LABEL;
-} else {
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var30 = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_then].val; /* _n_then on <self:AIfexprExpr> */
-if (unlikely(var30 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_then");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3394);
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AGeExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3523);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var30,var_old_child) on <var30:AExpr> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var30,var_other) on <var30:AExpr> */
-var36 = var30 == var_other;
-var34 = var36;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+RET_LABEL:;
 }
-var32 = var34;
-goto RET_LABEL33;
-RET_LABEL33:(void)0;
+/* method parser_prod#AGeExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AGeExpr__visit_all(val* self, val* p0) {
+parser_prod__AGeExpr__visit_all(self, p0); /* Direct call parser_prod#AGeExpr#visit_all on <self:Object(AGeExpr)>*/
+RET_LABEL:;
 }
-var31 = var32;
+/* method parser_prod#AGgExpr#init_aggexpr for (self: AGgExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AGgExpr__init_aggexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3532);
+show_backtrace(1);
 }
-if (var31){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype38 = type_parser_nodes__AExpr.color;
-idtype39 = type_parser_nodes__AExpr.id;
-if(var_new_child == NULL) {
-var37 = 0;
-} else {
-if(cltype38 >= var_new_child->type->table_size) {
-var37 = 0;
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AGgExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3533);
+show_backtrace(1);
 } else {
-var37 = var_new_child->type->type_table[cltype38] == idtype39;
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL1:(void)0;
 }
-if (unlikely(!var37)) {
-var_class_name40 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name40);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3395);
-show_backtrace(1);
 }
-{
-parser_prod__AIfexprExpr__n_then_61d(self, var_new_child); /* Direct call parser_prod#AIfexprExpr#n_then= on <self:AIfexprExpr>*/
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3534);
+show_backtrace(1);
 }
-goto RET_LABEL;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AGgExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3535);
+show_backtrace(1);
 } else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-var41 = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwelse].val; /* _n_kwelse on <self:AIfexprExpr> */
-if (unlikely(var41 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwelse");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3398);
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AGgExpr#init_aggexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AGgExpr__init_aggexpr(val* self, val* p0, val* p1) {
+parser_prod__AGgExpr__init_aggexpr(self, p0, p1); /* Direct call parser_prod#AGgExpr#init_aggexpr on <self:Object(AGgExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AGgExpr#replace_child for (self: AGgExpr, ANode, nullable ANode) */
+void parser_prod__AGgExpr__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : AExpr */;
+short int var1 /* : Bool */;
+short int var2 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var4 /* : Bool */;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+val* var8 /* : AExpr */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+const char* var_class_name18;
+var_old_child = p0;
+var_new_child = p1;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AGgExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3540);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var41,var_old_child) on <var41:TKwelse> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var41,var_other) on <var41:TKwelse> */
-var47 = var41 == var_other;
-var45 = var47;
-goto RET_LABEL46;
-RET_LABEL46:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
+var6 = var == var_other;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
 }
-var43 = var45;
-goto RET_LABEL44;
-RET_LABEL44:(void)0;
+var2 = var4;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
 }
-var42 = var43;
+var1 = var2;
 }
-if (var42){
-/* <var_new_child:nullable ANode> isa TKwelse */
-cltype49 = type_parser_nodes__TKwelse.color;
-idtype50 = type_parser_nodes__TKwelse.id;
+if (var1){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var48 = 0;
+var7 = 0;
 } else {
-if(cltype49 >= var_new_child->type->table_size) {
-var48 = 0;
+if(cltype >= var_new_child->type->table_size) {
+var7 = 0;
 } else {
-var48 = var_new_child->type->type_table[cltype49] == idtype50;
+var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var48)) {
-var_class_name51 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwelse", var_class_name51);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3399);
+if (unlikely(!var7)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3541);
 show_backtrace(1);
 }
 {
-parser_prod__AIfexprExpr__n_kwelse_61d(self, var_new_child); /* Direct call parser_prod#AIfexprExpr#n_kwelse= on <self:AIfexprExpr>*/
+parser_prod__AGgExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AGgExpr#n_expr= on <self:AGgExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var52 = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_else].val; /* _n_else on <self:AIfexprExpr> */
-if (unlikely(var52 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_else");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3402);
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AGgExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3544);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var52,var_old_child) on <var52:AExpr> */
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var52,var_other) on <var52:AExpr> */
-var58 = var52 == var_other;
-var56 = var58;
-goto RET_LABEL57;
-RET_LABEL57:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
 }
-var54 = var56;
-goto RET_LABEL55;
-RET_LABEL55:(void)0;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
-var53 = var54;
+var9 = var10;
 }
-if (var53){
+if (var9){
 /* <var_new_child:nullable ANode> isa AExpr */
-cltype60 = type_parser_nodes__AExpr.color;
-idtype61 = type_parser_nodes__AExpr.id;
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var59 = 0;
+var15 = 0;
 } else {
-if(cltype60 >= var_new_child->type->table_size) {
-var59 = 0;
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
 } else {
-var59 = var_new_child->type->type_table[cltype60] == idtype61;
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 }
-if (unlikely(!var59)) {
-var_class_name62 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name62);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3403);
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3545);
 show_backtrace(1);
 }
 {
-parser_prod__AIfexprExpr__n_else_61d(self, var_new_child); /* Direct call parser_prod#AIfexprExpr#n_else= on <self:AIfexprExpr>*/
+parser_prod__AGgExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AGgExpr#n_expr2= on <self:AGgExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AIfexprExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AIfexprExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AIfexprExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AIfexprExpr#replace_child on <self:Object(AIfexprExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AIfexprExpr#n_kwif= for (self: AIfexprExpr, TKwif) */
-void parser_prod__AIfexprExpr__n_kwif_61d(val* self, val* p0) {
-val* var_node /* var node: TKwif */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwif].val = var_node; /* _n_kwif on <self:AIfexprExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwif> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwif> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIfexprExpr#n_kwif= for (self: Object, TKwif) */
-void VIRTUAL_parser_prod__AIfexprExpr__n_kwif_61d(val* self, val* p0) {
-parser_prod__AIfexprExpr__n_kwif_61d(self, p0); /* Direct call parser_prod#AIfexprExpr#n_kwif= on <self:Object(AIfexprExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AIfexprExpr#n_expr= for (self: AIfexprExpr, AExpr) */
-void parser_prod__AIfexprExpr__n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_expr].val = var_node; /* _n_expr on <self:AIfexprExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIfexprExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AIfexprExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AIfexprExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AIfexprExpr#n_expr= on <self:Object(AIfexprExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AIfexprExpr#n_kwthen= for (self: AIfexprExpr, TKwthen) */
-void parser_prod__AIfexprExpr__n_kwthen_61d(val* self, val* p0) {
-val* var_node /* var node: TKwthen */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwthen].val = var_node; /* _n_kwthen on <self:AIfexprExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwthen> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwthen> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIfexprExpr#n_kwthen= for (self: Object, TKwthen) */
-void VIRTUAL_parser_prod__AIfexprExpr__n_kwthen_61d(val* self, val* p0) {
-parser_prod__AIfexprExpr__n_kwthen_61d(self, p0); /* Direct call parser_prod#AIfexprExpr#n_kwthen= on <self:Object(AIfexprExpr)>*/
+/* method parser_prod#AGgExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AGgExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AGgExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AGgExpr#replace_child on <self:Object(AGgExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AIfexprExpr#n_then= for (self: AIfexprExpr, AExpr) */
-void parser_prod__AIfexprExpr__n_then_61d(val* self, val* p0) {
+/* method parser_prod#AGgExpr#n_expr= for (self: AGgExpr, AExpr) */
+void parser_prod__AGgExpr__n_expr_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_then].val = var_node; /* _n_then on <self:AIfexprExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:AGgExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -5434,34 +4693,16 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AIfexprExpr#n_then= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AIfexprExpr__n_then_61d(val* self, val* p0) {
-parser_prod__AIfexprExpr__n_then_61d(self, p0); /* Direct call parser_prod#AIfexprExpr#n_then= on <self:Object(AIfexprExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AIfexprExpr#n_kwelse= for (self: AIfexprExpr, TKwelse) */
-void parser_prod__AIfexprExpr__n_kwelse_61d(val* self, val* p0) {
-val* var_node /* var node: TKwelse */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwelse].val = var_node; /* _n_kwelse on <self:AIfexprExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwelse> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwelse> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIfexprExpr#n_kwelse= for (self: Object, TKwelse) */
-void VIRTUAL_parser_prod__AIfexprExpr__n_kwelse_61d(val* self, val* p0) {
-parser_prod__AIfexprExpr__n_kwelse_61d(self, p0); /* Direct call parser_prod#AIfexprExpr#n_kwelse= on <self:Object(AIfexprExpr)>*/
+/* method parser_prod#AGgExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AGgExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AGgExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AGgExpr#n_expr= on <self:Object(AGgExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AIfexprExpr#n_else= for (self: AIfexprExpr, AExpr) */
-void parser_prod__AIfexprExpr__n_else_61d(val* self, val* p0) {
+/* method parser_prod#AGgExpr#n_expr2= for (self: AGgExpr, AExpr) */
+void parser_prod__AGgExpr__n_expr2_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AIfexprExpr___n_else].val = var_node; /* _n_else on <self:AIfexprExpr> */
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AGgExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -5470,242 +4711,102 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AIfexprExpr#n_else= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AIfexprExpr__n_else_61d(val* self, val* p0) {
-parser_prod__AIfexprExpr__n_else_61d(self, p0); /* Direct call parser_prod#AIfexprExpr#n_else= on <self:Object(AIfexprExpr)>*/
+/* method parser_prod#AGgExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AGgExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AGgExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AGgExpr#n_expr2= on <self:Object(AGgExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AIfexprExpr#visit_all for (self: AIfexprExpr, Visitor) */
-void parser_prod__AIfexprExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#AGgExpr#visit_all for (self: AGgExpr, Visitor) */
+void parser_prod__AGgExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TKwif */;
+val* var /* : AExpr */;
 val* var1 /* : AExpr */;
-val* var2 /* : TKwthen */;
-val* var3 /* : AExpr */;
-val* var4 /* : TKwelse */;
-val* var5 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwif].val; /* _n_kwif on <self:AIfexprExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AGgExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwif");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3442);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3564);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_expr].val; /* _n_expr on <self:AIfexprExpr> */
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AGgExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3443);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3565);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var2 = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwthen].val; /* _n_kwthen on <self:AIfexprExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwthen");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3444);
-show_backtrace(1);
-}
-{
-parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+RET_LABEL:;
 }
-var3 = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_then].val; /* _n_then on <self:AIfexprExpr> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_then");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3445);
-show_backtrace(1);
+/* method parser_prod#AGgExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AGgExpr__visit_all(val* self, val* p0) {
+parser_prod__AGgExpr__visit_all(self, p0); /* Direct call parser_prod#AGgExpr#visit_all on <self:Object(AGgExpr)>*/
+RET_LABEL:;
 }
-{
-parser_nodes__Visitor__enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var4 = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_kwelse].val; /* _n_kwelse on <self:AIfexprExpr> */
-if (unlikely(var4 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwelse");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3446);
-show_backtrace(1);
-}
-{
-parser_nodes__Visitor__enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var5 = self->attrs[COLOR_parser_nodes__AIfexprExpr___n_else].val; /* _n_else on <self:AIfexprExpr> */
-if (unlikely(var5 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_else");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3447);
-show_backtrace(1);
-}
-{
-parser_nodes__Visitor__enter_visit(var_v, var5); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-RET_LABEL:;
-}
-/* method parser_prod#AIfexprExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AIfexprExpr__visit_all(val* self, val* p0) {
-parser_prod__AIfexprExpr__visit_all(self, p0); /* Direct call parser_prod#AIfexprExpr#visit_all on <self:Object(AIfexprExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AWhileExpr#init_awhileexpr for (self: AWhileExpr, nullable TKwwhile, nullable AExpr, nullable TKwdo, nullable AExpr, nullable ALabel) */
-void parser_prod__AWhileExpr__init_awhileexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4) {
-val* var_n_kwwhile /* var n_kwwhile: nullable TKwwhile */;
+/* method parser_prod#AIsaExpr#init_aisaexpr for (self: AIsaExpr, nullable AExpr, nullable AType) */
+void parser_prod__AIsaExpr__init_aisaexpr(val* self, val* p0, val* p1) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_kwdo /* var n_kwdo: nullable TKwdo */;
-val* var_n_block /* var n_block: nullable AExpr */;
-val* var_n_label /* var n_label: nullable ALabel */;
-val* var /* : null */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-val* var11 /* : null */;
-short int var12 /* : Bool */;
-short int var13 /* : Bool */;
-short int var15 /* : Bool */;
-short int var16 /* : Bool */;
-short int var17 /* : Bool */;
-var_n_kwwhile = p0;
-var_n_expr = p1;
-var_n_kwdo = p2;
-var_n_block = p3;
-var_n_label = p4;
-if (unlikely(var_n_kwwhile == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3459);
-show_backtrace(1);
-}
-self->attrs[COLOR_parser_nodes__AWhileExpr___n_kwwhile].val = var_n_kwwhile; /* _n_kwwhile on <self:AWhileExpr> */
-if (var_n_kwwhile == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3460);
-show_backtrace(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwwhile,self) on <var_n_kwwhile:nullable TKwwhile> */
-if (unlikely(var_n_kwwhile == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
-show_backtrace(1);
-}
-var_n_kwwhile->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwwhile:nullable TKwwhile> */
-RET_LABEL1:(void)0;
-}
-}
+val* var_n_type /* var n_type: nullable AType */;
+var_n_expr = p0;
+var_n_type = p1;
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3461);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3574);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AWhileExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AWhileExpr> */
+self->attrs[COLOR_parser_nodes__AIsaExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AIsaExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3462);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3575);
 show_backtrace(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
 var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
-RET_LABEL2:(void)0;
+RET_LABEL1:(void)0;
 }
 }
-if (unlikely(var_n_kwdo == NULL)) {
+if (unlikely(var_n_type == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3463);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3576);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AWhileExpr___n_kwdo].val = var_n_kwdo; /* _n_kwdo on <self:AWhileExpr> */
-if (var_n_kwdo == NULL) {
+self->attrs[COLOR_parser_nodes__AIsaExpr___n_type].val = var_n_type; /* _n_type on <self:AIsaExpr> */
+if (var_n_type == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3464);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3577);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwdo,self) on <var_n_kwdo:nullable TKwdo> */
-if (unlikely(var_n_kwdo == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType> */
+if (unlikely(var_n_type == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_kwdo->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwdo:nullable TKwdo> */
-RET_LABEL3:(void)0;
-}
-}
-self->attrs[COLOR_parser_nodes__AWhileExpr___n_block].val = var_n_block; /* _n_block on <self:AWhileExpr> */
-var = NULL;
-if (var_n_block == NULL) {
-var4 = 0; /* is null */
-} else {
-var4 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_block,var) on <var_n_block:nullable AExpr> */
-var_other = var;
-{
-var8 = ((short int (*)(val*, val*))(var_n_block->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_block, var_other) /* == on <var_n_block:nullable AExpr(AExpr)>*/;
-var7 = var8;
-}
-var9 = !var7;
-var5 = var9;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
-}
-var4 = var5;
-}
-if (var4){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_block,self) on <var_n_block:nullable AExpr(AExpr)> */
-var_n_block->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_block:nullable AExpr(AExpr)> */
-RET_LABEL10:(void)0;
-}
-}
-} else {
-}
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_n_label; /* _n_label on <self:AWhileExpr> */
-var11 = NULL;
-if (var_n_label == NULL) {
-var12 = 0; /* is null */
-} else {
-var12 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_label,var11) on <var_n_label:nullable ALabel> */
-var_other = var11;
-{
-var16 = ((short int (*)(val*, val*))(var_n_label->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_label, var_other) /* == on <var_n_label:nullable ALabel(ALabel)>*/;
-var15 = var16;
-}
-var17 = !var15;
-var13 = var17;
-goto RET_LABEL14;
-RET_LABEL14:(void)0;
-}
-var12 = var13;
-}
-if (var12){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_label,self) on <var_n_label:nullable ALabel(ALabel)> */
-var_n_label->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_label:nullable ALabel(ALabel)> */
-RET_LABEL18:(void)0;
-}
+var_n_type->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType> */
+RET_LABEL2:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AWhileExpr#init_awhileexpr for (self: Object, nullable TKwwhile, nullable AExpr, nullable TKwdo, nullable AExpr, nullable ALabel) */
-void VIRTUAL_parser_prod__AWhileExpr__init_awhileexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4) {
-parser_prod__AWhileExpr__init_awhileexpr(self, p0, p1, p2, p3, p4); /* Direct call parser_prod#AWhileExpr#init_awhileexpr on <self:Object(AWhileExpr)>*/
+/* method parser_prod#AIsaExpr#init_aisaexpr for (self: Object, nullable AExpr, nullable AType) */
+void VIRTUAL_parser_prod__AIsaExpr__init_aisaexpr(val* self, val* p0, val* p1) {
+parser_prod__AIsaExpr__init_aisaexpr(self, p0, p1); /* Direct call parser_prod#AIsaExpr#init_aisaexpr on <self:Object(AIsaExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AWhileExpr#replace_child for (self: AWhileExpr, ANode, nullable ANode) */
-void parser_prod__AWhileExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AIsaExpr#replace_child for (self: AIsaExpr, ANode, nullable ANode) */
+void parser_prod__AIsaExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwwhile */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -5715,7 +4816,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : AExpr */;
+val* var8 /* : AType */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -5724,46 +4825,19 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
-val* var19 /* : TKwdo */;
-short int var20 /* : Bool */;
-short int var21 /* : Bool */;
-short int var23 /* : Bool */;
-short int var25 /* : Bool */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-const char* var_class_name29;
-val* var30 /* : nullable AExpr */;
-short int var31 /* : Bool */;
-short int var32 /* : Bool */;
-short int var34 /* : Bool */;
-short int var36 /* : Bool */;
-short int var37 /* : Bool */;
-int cltype38;
-int idtype39;
-const char* var_class_name40;
-val* var41 /* : nullable ALabel */;
-short int var42 /* : Bool */;
-short int var43 /* : Bool */;
-short int var45 /* : Bool */;
-short int var47 /* : Bool */;
-short int var48 /* : Bool */;
-int cltype49;
-int idtype50;
-const char* var_class_name51;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AWhileExpr___n_kwwhile].val; /* _n_kwwhile on <self:AWhileExpr> */
+var = self->attrs[COLOR_parser_nodes__AIsaExpr___n_expr].val; /* _n_expr on <self:AIsaExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwwhile");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3473);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3582);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwwhile> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwwhile> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -5777,9 +4851,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwwhile */
-cltype = type_parser_nodes__TKwwhile.color;
-idtype = type_parser_nodes__TKwwhile.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -5791,27 +4865,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwwhile", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3474);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3583);
 show_backtrace(1);
 }
 {
-parser_prod__AWhileExpr__n_kwwhile_61d(self, var_new_child); /* Direct call parser_prod#AWhileExpr#n_kwwhile= on <self:AWhileExpr>*/
+parser_prod__AIsaExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AIsaExpr#n_expr= on <self:AIsaExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AWhileExpr___n_expr].val; /* _n_expr on <self:AWhileExpr> */
+var8 = self->attrs[COLOR_parser_nodes__AIsaExpr___n_type].val; /* _n_type on <self:AIsaExpr> */
 if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3477);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3586);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AType> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AType> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -5825,9 +4899,9 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype16 = type_parser_nodes__AExpr.color;
-idtype17 = type_parser_nodes__AExpr.id;
+/* <var_new_child:nullable ANode> isa AType */
+cltype16 = type_parser_nodes__AType.color;
+idtype17 = type_parser_nodes__AType.id;
 if(var_new_child == NULL) {
 var15 = 0;
 } else {
@@ -5839,476 +4913,400 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3478);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3587);
 show_backtrace(1);
 }
 {
-parser_prod__AWhileExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AWhileExpr#n_expr= on <self:AWhileExpr>*/
+parser_prod__AIsaExpr__n_type_61d(self, var_new_child); /* Direct call parser_prod#AIsaExpr#n_type= on <self:AIsaExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var19 = self->attrs[COLOR_parser_nodes__AWhileExpr___n_kwdo].val; /* _n_kwdo on <self:AWhileExpr> */
-if (unlikely(var19 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdo");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3481);
-show_backtrace(1);
+RET_LABEL:;
 }
+/* method parser_prod#AIsaExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AIsaExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AIsaExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AIsaExpr#replace_child on <self:Object(AIsaExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AIsaExpr#n_expr= for (self: AIsaExpr, AExpr) */
+void parser_prod__AIsaExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AIsaExpr___n_expr].val = var_node; /* _n_expr on <self:AIsaExpr> */
 {
-{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:TKwdo> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:TKwdo> */
-var25 = var19 == var_other;
-var23 = var25;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
 }
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
+RET_LABEL:;
 }
-var20 = var21;
+/* method parser_prod#AIsaExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AIsaExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AIsaExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AIsaExpr#n_expr= on <self:Object(AIsaExpr)>*/
+RET_LABEL:;
 }
-if (var20){
-/* <var_new_child:nullable ANode> isa TKwdo */
-cltype27 = type_parser_nodes__TKwdo.color;
-idtype28 = type_parser_nodes__TKwdo.id;
-if(var_new_child == NULL) {
-var26 = 0;
-} else {
-if(cltype27 >= var_new_child->type->table_size) {
-var26 = 0;
-} else {
-var26 = var_new_child->type->type_table[cltype27] == idtype28;
+/* method parser_prod#AIsaExpr#n_type= for (self: AIsaExpr, AType) */
+void parser_prod__AIsaExpr__n_type_61d(val* self, val* p0) {
+val* var_node /* var node: AType */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AIsaExpr___n_type].val = var_node; /* _n_type on <self:AIsaExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
+RET_LABEL1:(void)0;
 }
 }
-if (unlikely(!var26)) {
-var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwdo", var_class_name29);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3482);
+RET_LABEL:;
+}
+/* method parser_prod#AIsaExpr#n_type= for (self: Object, AType) */
+void VIRTUAL_parser_prod__AIsaExpr__n_type_61d(val* self, val* p0) {
+parser_prod__AIsaExpr__n_type_61d(self, p0); /* Direct call parser_prod#AIsaExpr#n_type= on <self:Object(AIsaExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AIsaExpr#visit_all for (self: AIsaExpr, Visitor) */
+void parser_prod__AIsaExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AType */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__AIsaExpr___n_expr].val; /* _n_expr on <self:AIsaExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3606);
 show_backtrace(1);
 }
 {
-parser_prod__AWhileExpr__n_kwdo_61d(self, var_new_child); /* Direct call parser_prod#AWhileExpr#n_kwdo= on <self:AWhileExpr>*/
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-goto RET_LABEL;
-} else {
+var1 = self->attrs[COLOR_parser_nodes__AIsaExpr___n_type].val; /* _n_type on <self:AIsaExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3607);
+show_backtrace(1);
 }
-var30 = self->attrs[COLOR_parser_nodes__AWhileExpr___n_block].val; /* _n_block on <self:AWhileExpr> */
-if (var30 == NULL) {
-var31 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var30,var_old_child) on <var30:nullable AExpr> */
-var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var30,var_other) on <var30:nullable AExpr(AExpr)> */
-var36 = var30 == var_other;
-var34 = var36;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+RET_LABEL:;
 }
-var32 = var34;
-goto RET_LABEL33;
-RET_LABEL33:(void)0;
+/* method parser_prod#AIsaExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AIsaExpr__visit_all(val* self, val* p0) {
+parser_prod__AIsaExpr__visit_all(self, p0); /* Direct call parser_prod#AIsaExpr#visit_all on <self:Object(AIsaExpr)>*/
+RET_LABEL:;
 }
-var31 = var32;
+/* method parser_prod#APlusExpr#init_aplusexpr for (self: APlusExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__APlusExpr__init_aplusexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3616);
+show_backtrace(1);
 }
-if (var31){
-/* <var_new_child:nullable ANode> isa nullable AExpr */
-cltype38 = type_nullable_parser_nodes__AExpr.color;
-idtype39 = type_nullable_parser_nodes__AExpr.id;
-if(var_new_child == NULL) {
-var37 = 1;
-} else {
-if(cltype38 >= var_new_child->type->table_size) {
-var37 = 0;
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:APlusExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3617);
+show_backtrace(1);
 } else {
-var37 = var_new_child->type->type_table[cltype38] == idtype39;
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL1:(void)0;
 }
-if (unlikely(!var37)) {
-var_class_name40 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AExpr", var_class_name40);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3486);
-show_backtrace(1);
 }
-{
-parser_prod__AWhileExpr__n_block_61d(self, var_new_child); /* Direct call parser_prod#AWhileExpr#n_block= on <self:AWhileExpr>*/
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3618);
+show_backtrace(1);
 }
-goto RET_LABEL;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:APlusExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3619);
+show_backtrace(1);
 } else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-var41 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:AWhileExpr> */
-if (var41 == NULL) {
-var42 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var41,var_old_child) on <var41:nullable ALabel> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var41,var_other) on <var41:nullable ALabel(ALabel)> */
-var47 = var41 == var_other;
-var45 = var47;
-goto RET_LABEL46;
-RET_LABEL46:(void)0;
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
 }
-var43 = var45;
-goto RET_LABEL44;
-RET_LABEL44:(void)0;
+RET_LABEL:;
 }
-var42 = var43;
+/* method parser_prod#APlusExpr#init_aplusexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__APlusExpr__init_aplusexpr(val* self, val* p0, val* p1) {
+parser_prod__APlusExpr__init_aplusexpr(self, p0, p1); /* Direct call parser_prod#APlusExpr#init_aplusexpr on <self:Object(APlusExpr)>*/
+RET_LABEL:;
 }
-if (var42){
-/* <var_new_child:nullable ANode> isa nullable ALabel */
-cltype49 = type_nullable_parser_nodes__ALabel.color;
-idtype50 = type_nullable_parser_nodes__ALabel.id;
+/* method parser_prod#APlusExpr#replace_child for (self: APlusExpr, ANode, nullable ANode) */
+void parser_prod__APlusExpr__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : AExpr */;
+short int var1 /* : Bool */;
+short int var2 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var4 /* : Bool */;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+val* var8 /* : AExpr */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+const char* var_class_name18;
+var_old_child = p0;
+var_new_child = p1;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:APlusExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3624);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
+var6 = var == var_other;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
+}
+}
+var2 = var4;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
+}
+var1 = var2;
+}
+if (var1){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var48 = 1;
+var7 = 0;
 } else {
-if(cltype49 >= var_new_child->type->table_size) {
-var48 = 0;
+if(cltype >= var_new_child->type->table_size) {
+var7 = 0;
 } else {
-var48 = var_new_child->type->type_table[cltype49] == idtype50;
+var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var48)) {
-var_class_name51 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable ALabel", var_class_name51);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3490);
+if (unlikely(!var7)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3625);
 show_backtrace(1);
 }
 {
-parser_prod__AWhileExpr__n_label_61d(self, var_new_child); /* Direct call parser_prod#AWhileExpr#n_label= on <self:AWhileExpr>*/
+parser_prod__APlusExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#APlusExpr#n_expr= on <self:APlusExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-RET_LABEL:;
-}
-/* method parser_prod#AWhileExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AWhileExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AWhileExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AWhileExpr#replace_child on <self:Object(AWhileExpr)>*/
-RET_LABEL:;
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:APlusExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3628);
+show_backtrace(1);
 }
-/* method parser_prod#AWhileExpr#n_kwwhile= for (self: AWhileExpr, TKwwhile) */
-void parser_prod__AWhileExpr__n_kwwhile_61d(val* self, val* p0) {
-val* var_node /* var node: TKwwhile */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AWhileExpr___n_kwwhile].val = var_node; /* _n_kwwhile on <self:AWhileExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwwhile> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwwhile> */
-RET_LABEL1:(void)0;
-}
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
-RET_LABEL:;
 }
-/* method parser_prod#AWhileExpr#n_kwwhile= for (self: Object, TKwwhile) */
-void VIRTUAL_parser_prod__AWhileExpr__n_kwwhile_61d(val* self, val* p0) {
-parser_prod__AWhileExpr__n_kwwhile_61d(self, p0); /* Direct call parser_prod#AWhileExpr#n_kwwhile= on <self:Object(AWhileExpr)>*/
-RET_LABEL:;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
-/* method parser_prod#AWhileExpr#n_expr= for (self: AWhileExpr, AExpr) */
-void parser_prod__AWhileExpr__n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AWhileExpr___n_expr].val = var_node; /* _n_expr on <self:AWhileExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
-RET_LABEL1:(void)0;
+var9 = var10;
 }
+if (var9){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
+if(var_new_child == NULL) {
+var15 = 0;
+} else {
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
+} else {
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
-RET_LABEL:;
 }
-/* method parser_prod#AWhileExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AWhileExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AWhileExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AWhileExpr#n_expr= on <self:Object(AWhileExpr)>*/
-RET_LABEL:;
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3629);
+show_backtrace(1);
 }
-/* method parser_prod#AWhileExpr#n_kwdo= for (self: AWhileExpr, TKwdo) */
-void parser_prod__AWhileExpr__n_kwdo_61d(val* self, val* p0) {
-val* var_node /* var node: TKwdo */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AWhileExpr___n_kwdo].val = var_node; /* _n_kwdo on <self:AWhileExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwdo> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwdo> */
-RET_LABEL1:(void)0;
+parser_prod__APlusExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#APlusExpr#n_expr2= on <self:APlusExpr>*/
 }
+goto RET_LABEL;
+} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AWhileExpr#n_kwdo= for (self: Object, TKwdo) */
-void VIRTUAL_parser_prod__AWhileExpr__n_kwdo_61d(val* self, val* p0) {
-parser_prod__AWhileExpr__n_kwdo_61d(self, p0); /* Direct call parser_prod#AWhileExpr#n_kwdo= on <self:Object(AWhileExpr)>*/
+/* method parser_prod#APlusExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__APlusExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__APlusExpr__replace_child(self, p0, p1); /* Direct call parser_prod#APlusExpr#replace_child on <self:Object(APlusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AWhileExpr#n_block= for (self: AWhileExpr, nullable AExpr) */
-void parser_prod__AWhileExpr__n_block_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AExpr */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#APlusExpr#n_expr= for (self: APlusExpr, AExpr) */
+void parser_prod__APlusExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AWhileExpr___n_block].val = var_node; /* _n_block on <self:AWhileExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AExpr> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AExpr(AExpr)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:APlusExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AExpr(AExpr)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AExpr(AExpr)> */
-RET_LABEL7:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AWhileExpr#n_block= for (self: Object, nullable AExpr) */
-void VIRTUAL_parser_prod__AWhileExpr__n_block_61d(val* self, val* p0) {
-parser_prod__AWhileExpr__n_block_61d(self, p0); /* Direct call parser_prod#AWhileExpr#n_block= on <self:Object(AWhileExpr)>*/
+/* method parser_prod#APlusExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__APlusExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__APlusExpr__n_expr_61d(self, p0); /* Direct call parser_prod#APlusExpr#n_expr= on <self:Object(APlusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AWhileExpr#n_label= for (self: AWhileExpr, nullable ALabel) */
-void parser_prod__AWhileExpr__n_label_61d(val* self, val* p0) {
-val* var_node /* var node: nullable ALabel */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#APlusExpr#n_expr2= for (self: APlusExpr, AExpr) */
+void parser_prod__APlusExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_node; /* _n_label on <self:AWhileExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable ALabel> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable ALabel(ALabel)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:APlusExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable ALabel(ALabel)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable ALabel(ALabel)> */
-RET_LABEL7:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AWhileExpr#n_label= for (self: Object, nullable ALabel) */
-void VIRTUAL_parser_prod__AWhileExpr__n_label_61d(val* self, val* p0) {
-parser_prod__AWhileExpr__n_label_61d(self, p0); /* Direct call parser_prod#AWhileExpr#n_label= on <self:Object(AWhileExpr)>*/
+/* method parser_prod#APlusExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__APlusExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__APlusExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#APlusExpr#n_expr2= on <self:Object(APlusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AWhileExpr#visit_all for (self: AWhileExpr, Visitor) */
-void parser_prod__AWhileExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#APlusExpr#visit_all for (self: APlusExpr, Visitor) */
+void parser_prod__APlusExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TKwwhile */;
+val* var /* : AExpr */;
 val* var1 /* : AExpr */;
-val* var2 /* : TKwdo */;
-val* var3 /* : nullable AExpr */;
-val* var4 /* : nullable ALabel */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AWhileExpr___n_kwwhile].val; /* _n_kwwhile on <self:AWhileExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:APlusExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwwhile");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3524);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3648);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AWhileExpr___n_expr].val; /* _n_expr on <self:AWhileExpr> */
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:APlusExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3525);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3649);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var2 = self->attrs[COLOR_parser_nodes__AWhileExpr___n_kwdo].val; /* _n_kwdo on <self:AWhileExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdo");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3526);
-show_backtrace(1);
-}
-{
-parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var3 = self->attrs[COLOR_parser_nodes__AWhileExpr___n_block].val; /* _n_block on <self:AWhileExpr> */
-{
-parser_nodes__Visitor__enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var4 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:AWhileExpr> */
-{
-parser_nodes__Visitor__enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
 RET_LABEL:;
 }
-/* method parser_prod#AWhileExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AWhileExpr__visit_all(val* self, val* p0) {
-parser_prod__AWhileExpr__visit_all(self, p0); /* Direct call parser_prod#AWhileExpr#visit_all on <self:Object(AWhileExpr)>*/
+/* method parser_prod#APlusExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__APlusExpr__visit_all(val* self, val* p0) {
+parser_prod__APlusExpr__visit_all(self, p0); /* Direct call parser_prod#APlusExpr#visit_all on <self:Object(APlusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ALoopExpr#init_aloopexpr for (self: ALoopExpr, nullable TKwloop, nullable AExpr, nullable ALabel) */
-void parser_prod__ALoopExpr__init_aloopexpr(val* self, val* p0, val* p1, val* p2) {
-val* var_n_kwloop /* var n_kwloop: nullable TKwloop */;
-val* var_n_block /* var n_block: nullable AExpr */;
-val* var_n_label /* var n_label: nullable ALabel */;
-val* var /* : null */;
-short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-val* var9 /* : null */;
-short int var10 /* : Bool */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
-short int var14 /* : Bool */;
-short int var15 /* : Bool */;
-var_n_kwloop = p0;
-var_n_block = p1;
-var_n_label = p2;
-if (unlikely(var_n_kwloop == NULL)) {
+/* method parser_prod#AMinusExpr#init_aminusexpr for (self: AMinusExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AMinusExpr__init_aminusexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3538);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3658);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__ALoopExpr___n_kwloop].val = var_n_kwloop; /* _n_kwloop on <self:ALoopExpr> */
-if (var_n_kwloop == NULL) {
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AMinusExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3539);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3659);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwloop,self) on <var_n_kwloop:nullable TKwloop> */
-if (unlikely(var_n_kwloop == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_kwloop->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwloop:nullable TKwloop> */
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-self->attrs[COLOR_parser_nodes__ALoopExpr___n_block].val = var_n_block; /* _n_block on <self:ALoopExpr> */
-var = NULL;
-if (var_n_block == NULL) {
-var2 = 0; /* is null */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3660);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AMinusExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3661);
+show_backtrace(1);
 } else {
-var2 = 1; /* arg is null and recv is not */
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_block,var) on <var_n_block:nullable AExpr> */
-var_other = var;
-{
-var6 = ((short int (*)(val*, val*))(var_n_block->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_block, var_other) /* == on <var_n_block:nullable AExpr(AExpr)>*/;
-var5 = var6;
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-var7 = !var5;
-var3 = var7;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-var2 = var3;
-}
-if (var2){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_block,self) on <var_n_block:nullable AExpr(AExpr)> */
-var_n_block->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_block:nullable AExpr(AExpr)> */
-RET_LABEL8:(void)0;
-}
-}
-} else {
-}
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_n_label; /* _n_label on <self:ALoopExpr> */
-var9 = NULL;
-if (var_n_label == NULL) {
-var10 = 0; /* is null */
-} else {
-var10 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_label,var9) on <var_n_label:nullable ALabel> */
-var_other = var9;
-{
-var14 = ((short int (*)(val*, val*))(var_n_label->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_label, var_other) /* == on <var_n_label:nullable ALabel(ALabel)>*/;
-var13 = var14;
-}
-var15 = !var13;
-var11 = var15;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
-}
-var10 = var11;
-}
-if (var10){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_label,self) on <var_n_label:nullable ALabel(ALabel)> */
-var_n_label->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_label:nullable ALabel(ALabel)> */
-RET_LABEL16:(void)0;
-}
-}
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALoopExpr#init_aloopexpr for (self: Object, nullable TKwloop, nullable AExpr, nullable ALabel) */
-void VIRTUAL_parser_prod__ALoopExpr__init_aloopexpr(val* self, val* p0, val* p1, val* p2) {
-parser_prod__ALoopExpr__init_aloopexpr(self, p0, p1, p2); /* Direct call parser_prod#ALoopExpr#init_aloopexpr on <self:Object(ALoopExpr)>*/
+/* method parser_prod#AMinusExpr#init_aminusexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AMinusExpr__init_aminusexpr(val* self, val* p0, val* p1) {
+parser_prod__AMinusExpr__init_aminusexpr(self, p0, p1); /* Direct call parser_prod#AMinusExpr#init_aminusexpr on <self:Object(AMinusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ALoopExpr#replace_child for (self: ALoopExpr, ANode, nullable ANode) */
-void parser_prod__ALoopExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AMinusExpr#replace_child for (self: AMinusExpr, ANode, nullable ANode) */
+void parser_prod__AMinusExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwloop */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -6318,7 +5316,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : nullable AExpr */;
+val* var8 /* : AExpr */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -6327,28 +5325,19 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
-val* var19 /* : nullable ALabel */;
-short int var20 /* : Bool */;
-short int var21 /* : Bool */;
-short int var23 /* : Bool */;
-short int var25 /* : Bool */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-const char* var_class_name29;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__ALoopExpr___n_kwloop].val; /* _n_kwloop on <self:ALoopExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AMinusExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwloop");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3548);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3666);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwloop> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwloop> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -6362,9 +5351,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwloop */
-cltype = type_parser_nodes__TKwloop.color;
-idtype = type_parser_nodes__TKwloop.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -6376,24 +5365,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwloop", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3549);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3667);
 show_backtrace(1);
 }
 {
-parser_prod__ALoopExpr__n_kwloop_61d(self, var_new_child); /* Direct call parser_prod#ALoopExpr#n_kwloop= on <self:ALoopExpr>*/
+parser_prod__AMinusExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AMinusExpr#n_expr= on <self:AMinusExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__ALoopExpr___n_block].val; /* _n_block on <self:ALoopExpr> */
-if (var8 == NULL) {
-var9 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:nullable AExpr> */
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AMinusExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3670);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:nullable AExpr(AExpr)> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -6407,11 +5399,11 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa nullable AExpr */
-cltype16 = type_nullable_parser_nodes__AExpr.color;
-idtype17 = type_nullable_parser_nodes__AExpr.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var15 = 1;
+var15 = 0;
 } else {
 if(cltype16 >= var_new_child->type->table_size) {
 var15 = 0;
@@ -6421,392 +5413,150 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3553);
-show_backtrace(1);
-}
-{
-parser_prod__ALoopExpr__n_block_61d(self, var_new_child); /* Direct call parser_prod#ALoopExpr#n_block= on <self:ALoopExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-var19 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:ALoopExpr> */
-if (var19 == NULL) {
-var20 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:nullable ALabel> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:nullable ALabel(ALabel)> */
-var25 = var19 == var_other;
-var23 = var25;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
-}
-}
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
-}
-var20 = var21;
-}
-if (var20){
-/* <var_new_child:nullable ANode> isa nullable ALabel */
-cltype27 = type_nullable_parser_nodes__ALabel.color;
-idtype28 = type_nullable_parser_nodes__ALabel.id;
-if(var_new_child == NULL) {
-var26 = 1;
-} else {
-if(cltype27 >= var_new_child->type->table_size) {
-var26 = 0;
-} else {
-var26 = var_new_child->type->type_table[cltype27] == idtype28;
-}
-}
-if (unlikely(!var26)) {
-var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable ALabel", var_class_name29);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3557);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3671);
 show_backtrace(1);
 }
 {
-parser_prod__ALoopExpr__n_label_61d(self, var_new_child); /* Direct call parser_prod#ALoopExpr#n_label= on <self:ALoopExpr>*/
+parser_prod__AMinusExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AMinusExpr#n_expr2= on <self:AMinusExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALoopExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__ALoopExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__ALoopExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ALoopExpr#replace_child on <self:Object(ALoopExpr)>*/
+/* method parser_prod#AMinusExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AMinusExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AMinusExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AMinusExpr#replace_child on <self:Object(AMinusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ALoopExpr#n_kwloop= for (self: ALoopExpr, TKwloop) */
-void parser_prod__ALoopExpr__n_kwloop_61d(val* self, val* p0) {
-val* var_node /* var node: TKwloop */;
+/* method parser_prod#AMinusExpr#n_expr= for (self: AMinusExpr, AExpr) */
+void parser_prod__AMinusExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ALoopExpr___n_kwloop].val = var_node; /* _n_kwloop on <self:ALoopExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:AMinusExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwloop> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwloop> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALoopExpr#n_kwloop= for (self: Object, TKwloop) */
-void VIRTUAL_parser_prod__ALoopExpr__n_kwloop_61d(val* self, val* p0) {
-parser_prod__ALoopExpr__n_kwloop_61d(self, p0); /* Direct call parser_prod#ALoopExpr#n_kwloop= on <self:Object(ALoopExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#ALoopExpr#n_block= for (self: ALoopExpr, nullable AExpr) */
-void parser_prod__ALoopExpr__n_block_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AExpr */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__ALoopExpr___n_block].val = var_node; /* _n_block on <self:ALoopExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AExpr> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AExpr(AExpr)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AExpr(AExpr)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AExpr(AExpr)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#ALoopExpr#n_block= for (self: Object, nullable AExpr) */
-void VIRTUAL_parser_prod__ALoopExpr__n_block_61d(val* self, val* p0) {
-parser_prod__ALoopExpr__n_block_61d(self, p0); /* Direct call parser_prod#ALoopExpr#n_block= on <self:Object(ALoopExpr)>*/
+/* method parser_prod#AMinusExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AMinusExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AMinusExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AMinusExpr#n_expr= on <self:Object(AMinusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ALoopExpr#n_label= for (self: ALoopExpr, nullable ALabel) */
-void parser_prod__ALoopExpr__n_label_61d(val* self, val* p0) {
-val* var_node /* var node: nullable ALabel */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
+/* method parser_prod#AMinusExpr#n_expr2= for (self: AMinusExpr, AExpr) */
+void parser_prod__AMinusExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_node; /* _n_label on <self:ALoopExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable ALabel> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable ALabel(ALabel)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AMinusExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable ALabel(ALabel)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable ALabel(ALabel)> */
-RET_LABEL7:(void)0;
-}
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALoopExpr#n_label= for (self: Object, nullable ALabel) */
-void VIRTUAL_parser_prod__ALoopExpr__n_label_61d(val* self, val* p0) {
-parser_prod__ALoopExpr__n_label_61d(self, p0); /* Direct call parser_prod#ALoopExpr#n_label= on <self:Object(ALoopExpr)>*/
+/* method parser_prod#AMinusExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AMinusExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AMinusExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AMinusExpr#n_expr2= on <self:Object(AMinusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ALoopExpr#visit_all for (self: ALoopExpr, Visitor) */
-void parser_prod__ALoopExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#AMinusExpr#visit_all for (self: AMinusExpr, Visitor) */
+void parser_prod__AMinusExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TKwloop */;
-val* var1 /* : nullable AExpr */;
-val* var2 /* : nullable ALabel */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__ALoopExpr___n_kwloop].val; /* _n_kwloop on <self:ALoopExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AMinusExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwloop");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3581);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3690);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__ALoopExpr___n_block].val; /* _n_block on <self:ALoopExpr> */
-{
-parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AMinusExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3691);
+show_backtrace(1);
 }
-var2 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:ALoopExpr> */
 {
-parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#ALoopExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__ALoopExpr__visit_all(val* self, val* p0) {
-parser_prod__ALoopExpr__visit_all(self, p0); /* Direct call parser_prod#ALoopExpr#visit_all on <self:Object(ALoopExpr)>*/
+/* method parser_prod#AMinusExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AMinusExpr__visit_all(val* self, val* p0) {
+parser_prod__AMinusExpr__visit_all(self, p0); /* Direct call parser_prod#AMinusExpr#visit_all on <self:Object(AMinusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#init_aforexpr for (self: AForExpr, nullable TKwfor, Collection[Object], nullable AExpr, nullable TKwdo, nullable AExpr, nullable ALabel) */
-void parser_prod__AForExpr__init_aforexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4, val* p5) {
-val* var_n_kwfor /* var n_kwfor: nullable TKwfor */;
-val* var_n_ids /* var n_ids: Collection[Object] */;
+/* method parser_prod#AStarshipExpr#init_astarshipexpr for (self: AStarshipExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AStarshipExpr__init_astarshipexpr(val* self, val* p0, val* p1) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_kwdo /* var n_kwdo: nullable TKwdo */;
-val* var_n_block /* var n_block: nullable AExpr */;
-val* var_n_label /* var n_label: nullable ALabel */;
-val* var /* : ANodes[TId] */;
-val* var3 /* : ANodes[TId] */;
-val* var6 /* : null */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var10 /* : Bool */;
-short int var11 /* : Bool */;
-short int var12 /* : Bool */;
-val* var14 /* : null */;
-short int var15 /* : Bool */;
-short int var16 /* : Bool */;
-short int var18 /* : Bool */;
-short int var19 /* : Bool */;
-short int var20 /* : Bool */;
-var_n_kwfor = p0;
-var_n_ids = p1;
-var_n_expr = p2;
-var_n_kwdo = p3;
-var_n_block = p4;
-var_n_label = p5;
-if (unlikely(var_n_kwfor == NULL)) {
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3596);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3700);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AForExpr___n_kwfor].val = var_n_kwfor; /* _n_kwfor on <self:AForExpr> */
-if (var_n_kwfor == NULL) {
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AStarshipExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3597);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3701);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwfor,self) on <var_n_kwfor:nullable TKwfor> */
-if (unlikely(var_n_kwfor == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_kwfor->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwfor:nullable TKwfor> */
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-{
-{ /* Inline parser_nodes#AForExpr#n_ids (self) on <self:AForExpr> */
-var3 = self->attrs[COLOR_parser_nodes__AForExpr___n_ids].val; /* _n_ids on <self:AForExpr> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_ids");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 1604);
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3702);
 show_backtrace(1);
 }
-var = var3;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AStarshipExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3703);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
 RET_LABEL2:(void)0;
 }
 }
-{
-parser_nodes__ANodes__unsafe_add_all(var, var_n_ids); /* Direct call parser_nodes#ANodes#unsafe_add_all on <var:ANodes[TId]>*/
-}
-if (unlikely(var_n_expr == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3599);
-show_backtrace(1);
-}
-self->attrs[COLOR_parser_nodes__AForExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AForExpr> */
-if (var_n_expr == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3600);
-show_backtrace(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
-if (unlikely(var_n_expr == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
-show_backtrace(1);
-}
-var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
-RET_LABEL4:(void)0;
-}
-}
-if (unlikely(var_n_kwdo == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3601);
-show_backtrace(1);
-}
-self->attrs[COLOR_parser_nodes__AForExpr___n_kwdo].val = var_n_kwdo; /* _n_kwdo on <self:AForExpr> */
-if (var_n_kwdo == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3602);
-show_backtrace(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwdo,self) on <var_n_kwdo:nullable TKwdo> */
-if (unlikely(var_n_kwdo == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
-show_backtrace(1);
-}
-var_n_kwdo->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwdo:nullable TKwdo> */
-RET_LABEL5:(void)0;
-}
-}
-self->attrs[COLOR_parser_nodes__AForExpr___n_block].val = var_n_block; /* _n_block on <self:AForExpr> */
-var6 = NULL;
-if (var_n_block == NULL) {
-var7 = 0; /* is null */
-} else {
-var7 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_block,var6) on <var_n_block:nullable AExpr> */
-var_other = var6;
-{
-var11 = ((short int (*)(val*, val*))(var_n_block->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_block, var_other) /* == on <var_n_block:nullable AExpr(AExpr)>*/;
-var10 = var11;
-}
-var12 = !var10;
-var8 = var12;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
-}
-var7 = var8;
-}
-if (var7){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_block,self) on <var_n_block:nullable AExpr(AExpr)> */
-var_n_block->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_block:nullable AExpr(AExpr)> */
-RET_LABEL13:(void)0;
-}
-}
-} else {
-}
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_n_label; /* _n_label on <self:AForExpr> */
-var14 = NULL;
-if (var_n_label == NULL) {
-var15 = 0; /* is null */
-} else {
-var15 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_label,var14) on <var_n_label:nullable ALabel> */
-var_other = var14;
-{
-var19 = ((short int (*)(val*, val*))(var_n_label->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_label, var_other) /* == on <var_n_label:nullable ALabel(ALabel)>*/;
-var18 = var19;
-}
-var20 = !var18;
-var16 = var20;
-goto RET_LABEL17;
-RET_LABEL17:(void)0;
-}
-var15 = var16;
-}
-if (var15){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_label,self) on <var_n_label:nullable ALabel(ALabel)> */
-var_n_label->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_label:nullable ALabel(ALabel)> */
-RET_LABEL21:(void)0;
-}
-}
-} else {
-}
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#init_aforexpr for (self: Object, nullable TKwfor, Collection[Object], nullable AExpr, nullable TKwdo, nullable AExpr, nullable ALabel) */
-void VIRTUAL_parser_prod__AForExpr__init_aforexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4, val* p5) {
-parser_prod__AForExpr__init_aforexpr(self, p0, p1, p2, p3, p4, p5); /* Direct call parser_prod#AForExpr#init_aforexpr on <self:Object(AForExpr)>*/
+/* method parser_prod#AStarshipExpr#init_astarshipexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AStarshipExpr__init_astarshipexpr(val* self, val* p0, val* p1) {
+parser_prod__AStarshipExpr__init_astarshipexpr(self, p0, p1); /* Direct call parser_prod#AStarshipExpr#init_astarshipexpr on <self:Object(AStarshipExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#replace_child for (self: AForExpr, ANode, nullable ANode) */
-void parser_prod__AForExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AStarshipExpr#replace_child for (self: AStarshipExpr, ANode, nullable ANode) */
+void parser_prod__AStarshipExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwfor */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -6816,58 +5566,28 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : ANodes[TId] */;
-val* var10 /* : ANodes[TId] */;
-short int var11 /* : Bool */;
-val* var12 /* : AExpr */;
-short int var13 /* : Bool */;
+val* var8 /* : AExpr */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
 short int var14 /* : Bool */;
-short int var16 /* : Bool */;
-short int var18 /* : Bool */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
-const char* var_class_name22;
-val* var23 /* : TKwdo */;
-short int var24 /* : Bool */;
-short int var25 /* : Bool */;
-short int var27 /* : Bool */;
-short int var29 /* : Bool */;
-short int var30 /* : Bool */;
-int cltype31;
-int idtype32;
-const char* var_class_name33;
-val* var34 /* : nullable AExpr */;
-short int var35 /* : Bool */;
-short int var36 /* : Bool */;
-short int var38 /* : Bool */;
-short int var40 /* : Bool */;
-short int var41 /* : Bool */;
-int cltype42;
-int idtype43;
-const char* var_class_name44;
-val* var45 /* : nullable ALabel */;
-short int var46 /* : Bool */;
-short int var47 /* : Bool */;
-short int var49 /* : Bool */;
-short int var51 /* : Bool */;
-short int var52 /* : Bool */;
-int cltype53;
-int idtype54;
-const char* var_class_name55;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+const char* var_class_name18;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AForExpr___n_kwfor].val; /* _n_kwfor on <self:AForExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AStarshipExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwfor");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3611);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3708);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwfor> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwfor> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -6881,9 +5601,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwfor */
-cltype = type_parser_nodes__TKwfor.color;
-idtype = type_parser_nodes__TKwfor.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -6895,251 +5615,344 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwfor", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3612);
-show_backtrace(1);
-}
-{
-parser_prod__AForExpr__n_kwfor_61d(self, var_new_child); /* Direct call parser_prod#AForExpr#n_kwfor= on <self:AForExpr>*/
-}
-goto RET_LABEL;
-} else {
-}
-{
-{ /* Inline parser_nodes#AForExpr#n_ids (self) on <self:AForExpr> */
-var10 = self->attrs[COLOR_parser_nodes__AForExpr___n_ids].val; /* _n_ids on <self:AForExpr> */
-if (unlikely(var10 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_ids");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 1604);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3709);
 show_backtrace(1);
 }
-var8 = var10;
-RET_LABEL9:(void)0;
-}
-}
 {
-var11 = parser_nodes__ANodes__replace_child(var8, var_old_child, var_new_child);
+parser_prod__AStarshipExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AStarshipExpr#n_expr= on <self:AStarshipExpr>*/
 }
-if (var11){
 goto RET_LABEL;
 } else {
 }
-var12 = self->attrs[COLOR_parser_nodes__AForExpr___n_expr].val; /* _n_expr on <self:AForExpr> */
-if (unlikely(var12 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3616);
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AStarshipExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3712);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var12,var_old_child) on <var12:AExpr> */
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var12,var_other) on <var12:AExpr> */
-var18 = var12 == var_other;
-var16 = var18;
-goto RET_LABEL17;
-RET_LABEL17:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
 }
-var14 = var16;
-goto RET_LABEL15;
-RET_LABEL15:(void)0;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
-var13 = var14;
+var9 = var10;
 }
-if (var13){
+if (var9){
 /* <var_new_child:nullable ANode> isa AExpr */
-cltype20 = type_parser_nodes__AExpr.color;
-idtype21 = type_parser_nodes__AExpr.id;
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var19 = 0;
+var15 = 0;
 } else {
-if(cltype20 >= var_new_child->type->table_size) {
-var19 = 0;
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
 } else {
-var19 = var_new_child->type->type_table[cltype20] == idtype21;
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 }
-if (unlikely(!var19)) {
-var_class_name22 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name22);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3617);
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3713);
 show_backtrace(1);
 }
 {
-parser_prod__AForExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AForExpr#n_expr= on <self:AForExpr>*/
+parser_prod__AStarshipExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AStarshipExpr#n_expr2= on <self:AStarshipExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var23 = self->attrs[COLOR_parser_nodes__AForExpr___n_kwdo].val; /* _n_kwdo on <self:AForExpr> */
-if (unlikely(var23 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdo");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3620);
-show_backtrace(1);
+RET_LABEL:;
 }
+/* method parser_prod#AStarshipExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AStarshipExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AStarshipExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AStarshipExpr#replace_child on <self:Object(AStarshipExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AStarshipExpr#n_expr= for (self: AStarshipExpr, AExpr) */
+void parser_prod__AStarshipExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:AStarshipExpr> */
 {
-{ /* Inline kernel#Object#== (var23,var_old_child) on <var23:TKwdo> */
-var_other = var_old_child;
-{
-{ /* Inline kernel#Object#is_same_instance (var23,var_other) on <var23:TKwdo> */
-var29 = var23 == var_other;
-var27 = var29;
-goto RET_LABEL28;
-RET_LABEL28:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
 }
-var25 = var27;
-goto RET_LABEL26;
-RET_LABEL26:(void)0;
+RET_LABEL:;
 }
-var24 = var25;
+/* method parser_prod#AStarshipExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AStarshipExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AStarshipExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AStarshipExpr#n_expr= on <self:Object(AStarshipExpr)>*/
+RET_LABEL:;
 }
-if (var24){
-/* <var_new_child:nullable ANode> isa TKwdo */
-cltype31 = type_parser_nodes__TKwdo.color;
-idtype32 = type_parser_nodes__TKwdo.id;
-if(var_new_child == NULL) {
-var30 = 0;
-} else {
-if(cltype31 >= var_new_child->type->table_size) {
-var30 = 0;
-} else {
-var30 = var_new_child->type->type_table[cltype31] == idtype32;
+/* method parser_prod#AStarshipExpr#n_expr2= for (self: AStarshipExpr, AExpr) */
+void parser_prod__AStarshipExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AStarshipExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
 }
-if (unlikely(!var30)) {
-var_class_name33 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwdo", var_class_name33);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3621);
+RET_LABEL:;
+}
+/* method parser_prod#AStarshipExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AStarshipExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AStarshipExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AStarshipExpr#n_expr2= on <self:Object(AStarshipExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AStarshipExpr#visit_all for (self: AStarshipExpr, Visitor) */
+void parser_prod__AStarshipExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AStarshipExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3732);
 show_backtrace(1);
 }
 {
-parser_prod__AForExpr__n_kwdo_61d(self, var_new_child); /* Direct call parser_prod#AForExpr#n_kwdo= on <self:AForExpr>*/
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-goto RET_LABEL;
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AStarshipExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3733);
+show_backtrace(1);
+}
+{
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+RET_LABEL:;
+}
+/* method parser_prod#AStarshipExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AStarshipExpr__visit_all(val* self, val* p0) {
+parser_prod__AStarshipExpr__visit_all(self, p0); /* Direct call parser_prod#AStarshipExpr#visit_all on <self:Object(AStarshipExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AStarExpr#init_astarexpr for (self: AStarExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AStarExpr__init_astarexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3742);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AStarExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3743);
+show_backtrace(1);
 } else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-var34 = self->attrs[COLOR_parser_nodes__AForExpr___n_block].val; /* _n_block on <self:AForExpr> */
-if (var34 == NULL) {
-var35 = 0; /* <var_old_child:ANode> cannot be null */
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL1:(void)0;
+}
+}
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3744);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AStarExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3745);
+show_backtrace(1);
 } else {
-{ /* Inline kernel#Object#== (var34,var_old_child) on <var34:nullable AExpr> */
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AStarExpr#init_astarexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AStarExpr__init_astarexpr(val* self, val* p0, val* p1) {
+parser_prod__AStarExpr__init_astarexpr(self, p0, p1); /* Direct call parser_prod#AStarExpr#init_astarexpr on <self:Object(AStarExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AStarExpr#replace_child for (self: AStarExpr, ANode, nullable ANode) */
+void parser_prod__AStarExpr__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : AExpr */;
+short int var1 /* : Bool */;
+short int var2 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var4 /* : Bool */;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+val* var8 /* : AExpr */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+const char* var_class_name18;
+var_old_child = p0;
+var_new_child = p1;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AStarExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3750);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var34,var_other) on <var34:nullable AExpr(AExpr)> */
-var40 = var34 == var_other;
-var38 = var40;
-goto RET_LABEL39;
-RET_LABEL39:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
+var6 = var == var_other;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
 }
-var36 = var38;
-goto RET_LABEL37;
-RET_LABEL37:(void)0;
+var2 = var4;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
 }
-var35 = var36;
+var1 = var2;
 }
-if (var35){
-/* <var_new_child:nullable ANode> isa nullable AExpr */
-cltype42 = type_nullable_parser_nodes__AExpr.color;
-idtype43 = type_nullable_parser_nodes__AExpr.id;
+if (var1){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var41 = 1;
+var7 = 0;
 } else {
-if(cltype42 >= var_new_child->type->table_size) {
-var41 = 0;
+if(cltype >= var_new_child->type->table_size) {
+var7 = 0;
 } else {
-var41 = var_new_child->type->type_table[cltype42] == idtype43;
+var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var41)) {
-var_class_name44 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AExpr", var_class_name44);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3625);
+if (unlikely(!var7)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3751);
 show_backtrace(1);
 }
 {
-parser_prod__AForExpr__n_block_61d(self, var_new_child); /* Direct call parser_prod#AForExpr#n_block= on <self:AForExpr>*/
+parser_prod__AStarExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AStarExpr#n_expr= on <self:AStarExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var45 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:AForExpr> */
-if (var45 == NULL) {
-var46 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var45,var_old_child) on <var45:nullable ALabel> */
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AStarExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3754);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var45,var_other) on <var45:nullable ALabel(ALabel)> */
-var51 = var45 == var_other;
-var49 = var51;
-goto RET_LABEL50;
-RET_LABEL50:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
 }
-var47 = var49;
-goto RET_LABEL48;
-RET_LABEL48:(void)0;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
-var46 = var47;
+var9 = var10;
 }
-if (var46){
-/* <var_new_child:nullable ANode> isa nullable ALabel */
-cltype53 = type_nullable_parser_nodes__ALabel.color;
-idtype54 = type_nullable_parser_nodes__ALabel.id;
+if (var9){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var52 = 1;
+var15 = 0;
 } else {
-if(cltype53 >= var_new_child->type->table_size) {
-var52 = 0;
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
 } else {
-var52 = var_new_child->type->type_table[cltype53] == idtype54;
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 }
-if (unlikely(!var52)) {
-var_class_name55 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable ALabel", var_class_name55);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3629);
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3755);
 show_backtrace(1);
 }
 {
-parser_prod__AForExpr__n_label_61d(self, var_new_child); /* Direct call parser_prod#AForExpr#n_label= on <self:AForExpr>*/
+parser_prod__AStarExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AStarExpr#n_expr2= on <self:AStarExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AForExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AForExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AForExpr#replace_child on <self:Object(AForExpr)>*/
+/* method parser_prod#AStarExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AStarExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AStarExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AStarExpr#replace_child on <self:Object(AStarExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#n_kwfor= for (self: AForExpr, TKwfor) */
-void parser_prod__AForExpr__n_kwfor_61d(val* self, val* p0) {
-val* var_node /* var node: TKwfor */;
+/* method parser_prod#AStarExpr#n_expr= for (self: AStarExpr, AExpr) */
+void parser_prod__AStarExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AForExpr___n_kwfor].val = var_node; /* _n_kwfor on <self:AForExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:AStarExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwfor> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwfor> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#n_kwfor= for (self: Object, TKwfor) */
-void VIRTUAL_parser_prod__AForExpr__n_kwfor_61d(val* self, val* p0) {
-parser_prod__AForExpr__n_kwfor_61d(self, p0); /* Direct call parser_prod#AForExpr#n_kwfor= on <self:Object(AForExpr)>*/
+/* method parser_prod#AStarExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AStarExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AStarExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AStarExpr#n_expr= on <self:Object(AStarExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#n_expr= for (self: AForExpr, AExpr) */
-void parser_prod__AForExpr__n_expr_61d(val* self, val* p0) {
+/* method parser_prod#AStarExpr#n_expr2= for (self: AStarExpr, AExpr) */
+void parser_prod__AStarExpr__n_expr2_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AForExpr___n_expr].val = var_node; /* _n_expr on <self:AForExpr> */
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AStarExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -7148,330 +5961,352 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AForExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AForExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AForExpr#n_expr= on <self:Object(AForExpr)>*/
+/* method parser_prod#AStarExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AStarExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AStarExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AStarExpr#n_expr2= on <self:Object(AStarExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#n_kwdo= for (self: AForExpr, TKwdo) */
-void parser_prod__AForExpr__n_kwdo_61d(val* self, val* p0) {
-val* var_node /* var node: TKwdo */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AForExpr___n_kwdo].val = var_node; /* _n_kwdo on <self:AForExpr> */
+/* method parser_prod#AStarExpr#visit_all for (self: AStarExpr, Visitor) */
+void parser_prod__AStarExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AStarExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3774);
+show_backtrace(1);
+}
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwdo> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwdo> */
-RET_LABEL1:(void)0;
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AStarExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3775);
+show_backtrace(1);
 }
+{
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#n_kwdo= for (self: Object, TKwdo) */
-void VIRTUAL_parser_prod__AForExpr__n_kwdo_61d(val* self, val* p0) {
-parser_prod__AForExpr__n_kwdo_61d(self, p0); /* Direct call parser_prod#AForExpr#n_kwdo= on <self:Object(AForExpr)>*/
+/* method parser_prod#AStarExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AStarExpr__visit_all(val* self, val* p0) {
+parser_prod__AStarExpr__visit_all(self, p0); /* Direct call parser_prod#AStarExpr#visit_all on <self:Object(AStarExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#n_block= for (self: AForExpr, nullable AExpr) */
-void parser_prod__AForExpr__n_block_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AExpr */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AForExpr___n_block].val = var_node; /* _n_block on <self:AForExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
+/* method parser_prod#AStarstarExpr#init_astarstarexpr for (self: AStarstarExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__AStarstarExpr__init_astarstarexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3784);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AStarstarExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3785);
+show_backtrace(1);
 } else {
-var1 = 1; /* arg is null and recv is not */
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AExpr> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AExpr(AExpr)>*/;
-var4 = var5;
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL1:(void)0;
 }
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
 }
-var1 = var2;
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3786);
+show_backtrace(1);
 }
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AExpr(AExpr)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AExpr(AExpr)> */
-RET_LABEL7:(void)0;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AStarstarExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3787);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#n_block= for (self: Object, nullable AExpr) */
-void VIRTUAL_parser_prod__AForExpr__n_block_61d(val* self, val* p0) {
-parser_prod__AForExpr__n_block_61d(self, p0); /* Direct call parser_prod#AForExpr#n_block= on <self:Object(AForExpr)>*/
+/* method parser_prod#AStarstarExpr#init_astarstarexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__AStarstarExpr__init_astarstarexpr(val* self, val* p0, val* p1) {
+parser_prod__AStarstarExpr__init_astarstarexpr(self, p0, p1); /* Direct call parser_prod#AStarstarExpr#init_astarstarexpr on <self:Object(AStarstarExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#n_label= for (self: AForExpr, nullable ALabel) */
-void parser_prod__AForExpr__n_label_61d(val* self, val* p0) {
-val* var_node /* var node: nullable ALabel */;
-val* var /* : null */;
+/* method parser_prod#AStarstarExpr#replace_child for (self: AStarstarExpr, ANode, nullable ANode) */
+void parser_prod__AStarstarExpr__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
 short int var4 /* : Bool */;
-short int var5 /* : Bool */;
 short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__ALabelable___n_label].val = var_node; /* _n_label on <self:AForExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
+short int var7 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+val* var8 /* : AExpr */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+const char* var_class_name18;
+var_old_child = p0;
+var_new_child = p1;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AStarstarExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3792);
+show_backtrace(1);
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable ALabel> */
-var_other = var;
 {
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable ALabel(ALabel)>*/;
-var4 = var5;
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
+var6 = var == var_other;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
-var6 = !var4;
-var2 = var6;
+}
+var2 = var4;
 goto RET_LABEL3;
 RET_LABEL3:(void)0;
 }
 var1 = var2;
 }
 if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable ALabel(ALabel)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable ALabel(ALabel)> */
-RET_LABEL7:(void)0;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
+if(var_new_child == NULL) {
+var7 = 0;
+} else {
+if(cltype >= var_new_child->type->table_size) {
+var7 = 0;
+} else {
+var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-} else {
+if (unlikely(!var7)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3793);
+show_backtrace(1);
 }
-RET_LABEL:;
+{
+parser_prod__AStarstarExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AStarstarExpr#n_expr= on <self:AStarstarExpr>*/
 }
-/* method parser_prod#AForExpr#n_label= for (self: Object, nullable ALabel) */
-void VIRTUAL_parser_prod__AForExpr__n_label_61d(val* self, val* p0) {
-parser_prod__AForExpr__n_label_61d(self, p0); /* Direct call parser_prod#AForExpr#n_label= on <self:Object(AForExpr)>*/
-RET_LABEL:;
+goto RET_LABEL;
+} else {
 }
-/* method parser_prod#AForExpr#visit_all for (self: AForExpr, Visitor) */
-void parser_prod__AForExpr__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : TKwfor */;
-val* var1 /* : ANodes[TId] */;
-val* var3 /* : ANodes[TId] */;
-val* var4 /* : AExpr */;
-val* var5 /* : TKwdo */;
-val* var6 /* : nullable AExpr */;
-val* var7 /* : nullable ALabel */;
-var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AForExpr___n_kwfor].val; /* _n_kwfor on <self:AForExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwfor");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3663);
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AStarstarExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3796);
 show_backtrace(1);
 }
 {
-parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+var_other = var_old_child;
 {
-{ /* Inline parser_nodes#AForExpr#n_ids (self) on <self:AForExpr> */
-var3 = self->attrs[COLOR_parser_nodes__AForExpr___n_ids].val; /* _n_ids on <self:AForExpr> */
-if (unlikely(var3 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_ids");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 1604);
-show_backtrace(1);
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
-var1 = var3;
-RET_LABEL2:(void)0;
 }
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
-{
-parser_nodes__ANodes__visit_all(var1, var_v); /* Direct call parser_nodes#ANodes#visit_all on <var1:ANodes[TId]>*/
+var9 = var10;
 }
-var4 = self->attrs[COLOR_parser_nodes__AForExpr___n_expr].val; /* _n_expr on <self:AForExpr> */
-if (unlikely(var4 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3665);
-show_backtrace(1);
+if (var9){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
+if(var_new_child == NULL) {
+var15 = 0;
+} else {
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
+} else {
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
-{
-parser_nodes__Visitor__enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var5 = self->attrs[COLOR_parser_nodes__AForExpr___n_kwdo].val; /* _n_kwdo on <self:AForExpr> */
-if (unlikely(var5 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwdo");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3666);
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3797);
 show_backtrace(1);
 }
 {
-parser_nodes__Visitor__enter_visit(var_v, var5); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var6 = self->attrs[COLOR_parser_nodes__AForExpr___n_block].val; /* _n_block on <self:AForExpr> */
-{
-parser_nodes__Visitor__enter_visit(var_v, var6); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+parser_prod__AStarstarExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AStarstarExpr#n_expr2= on <self:AStarstarExpr>*/
 }
-var7 = self->attrs[COLOR_parser_nodes__ALabelable___n_label].val; /* _n_label on <self:AForExpr> */
-{
-parser_nodes__Visitor__enter_visit(var_v, var7); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+goto RET_LABEL;
+} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AForExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AForExpr__visit_all(val* self, val* p0) {
-parser_prod__AForExpr__visit_all(self, p0); /* Direct call parser_prod#AForExpr#visit_all on <self:Object(AForExpr)>*/
+/* method parser_prod#AStarstarExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AStarstarExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AStarstarExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AStarstarExpr#replace_child on <self:Object(AStarstarExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAssertExpr#init_aassertexpr for (self: AAssertExpr, nullable TKwassert, nullable TId, nullable AExpr, nullable AExpr) */
-void parser_prod__AAssertExpr__init_aassertexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
-val* var_n_kwassert /* var n_kwassert: nullable TKwassert */;
-val* var_n_id /* var n_id: nullable TId */;
-val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_else /* var n_else: nullable AExpr */;
-val* var /* : null */;
-short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-val* var10 /* : null */;
-short int var11 /* : Bool */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-short int var15 /* : Bool */;
-short int var16 /* : Bool */;
-var_n_kwassert = p0;
-var_n_id = p1;
-var_n_expr = p2;
-var_n_else = p3;
-if (unlikely(var_n_kwassert == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3679);
-show_backtrace(1);
+/* method parser_prod#AStarstarExpr#n_expr= for (self: AStarstarExpr, AExpr) */
+void parser_prod__AStarstarExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:AStarstarExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
 }
-self->attrs[COLOR_parser_nodes__AAssertExpr___n_kwassert].val = var_n_kwassert; /* _n_kwassert on <self:AAssertExpr> */
-if (var_n_kwassert == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3680);
-show_backtrace(1);
-} else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwassert,self) on <var_n_kwassert:nullable TKwassert> */
-if (unlikely(var_n_kwassert == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
-show_backtrace(1);
 }
-var_n_kwassert->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwassert:nullable TKwassert> */
+RET_LABEL:;
+}
+/* method parser_prod#AStarstarExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AStarstarExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AStarstarExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AStarstarExpr#n_expr= on <self:Object(AStarstarExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AStarstarExpr#n_expr2= for (self: AStarstarExpr, AExpr) */
+void parser_prod__AStarstarExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AStarstarExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-self->attrs[COLOR_parser_nodes__AAssertExpr___n_id].val = var_n_id; /* _n_id on <self:AAssertExpr> */
-var = NULL;
-if (var_n_id == NULL) {
-var2 = 0; /* is null */
-} else {
-var2 = 1; /* arg is null and recv is not */
+RET_LABEL:;
 }
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_id,var) on <var_n_id:nullable TId> */
-var_other = var;
-{
-var6 = ((short int (*)(val*, val*))(var_n_id->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_id, var_other) /* == on <var_n_id:nullable TId(TId)>*/;
-var5 = var6;
+/* method parser_prod#AStarstarExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AStarstarExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__AStarstarExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AStarstarExpr#n_expr2= on <self:Object(AStarstarExpr)>*/
+RET_LABEL:;
 }
-var7 = !var5;
-var3 = var7;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+/* method parser_prod#AStarstarExpr#visit_all for (self: AStarstarExpr, Visitor) */
+void parser_prod__AStarstarExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AStarstarExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3816);
+show_backtrace(1);
 }
-var2 = var3;
+{
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AStarstarExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3817);
+show_backtrace(1);
 }
-if (var2){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId(TId)> */
-var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId(TId)> */
-RET_LABEL8:(void)0;
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+RET_LABEL:;
 }
-} else {
+/* method parser_prod#AStarstarExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AStarstarExpr__visit_all(val* self, val* p0) {
+parser_prod__AStarstarExpr__visit_all(self, p0); /* Direct call parser_prod#AStarstarExpr#visit_all on <self:Object(AStarstarExpr)>*/
+RET_LABEL:;
 }
+/* method parser_prod#ASlashExpr#init_aslashexpr for (self: ASlashExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__ASlashExpr__init_aslashexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3683);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3826);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AAssertExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AAssertExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ASlashExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3684);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3827);
 show_backtrace(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
 var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
-RET_LABEL9:(void)0;
-}
-}
-self->attrs[COLOR_parser_nodes__AAssertExpr___n_else].val = var_n_else; /* _n_else on <self:AAssertExpr> */
-var10 = NULL;
-if (var_n_else == NULL) {
-var11 = 0; /* is null */
-} else {
-var11 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_n_else,var10) on <var_n_else:nullable AExpr> */
-var_other = var10;
-{
-var15 = ((short int (*)(val*, val*))(var_n_else->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_else, var_other) /* == on <var_n_else:nullable AExpr(AExpr)>*/;
-var14 = var15;
+RET_LABEL1:(void)0;
 }
-var16 = !var14;
-var12 = var16;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
 }
-var11 = var12;
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3828);
+show_backtrace(1);
 }
-if (var11){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_n_else,self) on <var_n_else:nullable AExpr(AExpr)> */
-var_n_else->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_else:nullable AExpr(AExpr)> */
-RET_LABEL17:(void)0;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:ASlashExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3829);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
 }
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
 }
-} else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAssertExpr#init_aassertexpr for (self: Object, nullable TKwassert, nullable TId, nullable AExpr, nullable AExpr) */
-void VIRTUAL_parser_prod__AAssertExpr__init_aassertexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
-parser_prod__AAssertExpr__init_aassertexpr(self, p0, p1, p2, p3); /* Direct call parser_prod#AAssertExpr#init_aassertexpr on <self:Object(AAssertExpr)>*/
+/* method parser_prod#ASlashExpr#init_aslashexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__ASlashExpr__init_aslashexpr(val* self, val* p0, val* p1) {
+parser_prod__ASlashExpr__init_aslashexpr(self, p0, p1); /* Direct call parser_prod#ASlashExpr#init_aslashexpr on <self:Object(ASlashExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAssertExpr#replace_child for (self: AAssertExpr, ANode, nullable ANode) */
-void parser_prod__AAssertExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ASlashExpr#replace_child for (self: ASlashExpr, ANode, nullable ANode) */
+void parser_prod__ASlashExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwassert */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -7481,7 +6316,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : nullable TId */;
+val* var8 /* : AExpr */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -7490,37 +6325,19 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
-val* var19 /* : AExpr */;
-short int var20 /* : Bool */;
-short int var21 /* : Bool */;
-short int var23 /* : Bool */;
-short int var25 /* : Bool */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-const char* var_class_name29;
-val* var30 /* : nullable AExpr */;
-short int var31 /* : Bool */;
-short int var32 /* : Bool */;
-short int var34 /* : Bool */;
-short int var36 /* : Bool */;
-short int var37 /* : Bool */;
-int cltype38;
-int idtype39;
-const char* var_class_name40;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AAssertExpr___n_kwassert].val; /* _n_kwassert on <self:AAssertExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ASlashExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwassert");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3691);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3834);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwassert> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwassert> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -7534,9 +6351,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwassert */
-cltype = type_parser_nodes__TKwassert.color;
-idtype = type_parser_nodes__TKwassert.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -7548,24 +6365,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwassert", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3692);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3835);
 show_backtrace(1);
 }
 {
-parser_prod__AAssertExpr__n_kwassert_61d(self, var_new_child); /* Direct call parser_prod#AAssertExpr#n_kwassert= on <self:AAssertExpr>*/
+parser_prod__ASlashExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#ASlashExpr#n_expr= on <self:ASlashExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_id].val; /* _n_id on <self:AAssertExpr> */
-if (var8 == NULL) {
-var9 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:nullable TId> */
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ASlashExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3838);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:nullable TId(TId)> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -7579,11 +6399,11 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa nullable TId */
-cltype16 = type_nullable_parser_nodes__TId.color;
-idtype17 = type_nullable_parser_nodes__TId.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var15 = 1;
+var15 = 0;
 } else {
 if(cltype16 >= var_new_child->type->table_size) {
 var15 = 0;
@@ -7593,187 +6413,296 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TId", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3696);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3839);
 show_backtrace(1);
 }
 {
-parser_prod__AAssertExpr__n_id_61d(self, var_new_child); /* Direct call parser_prod#AAssertExpr#n_id= on <self:AAssertExpr>*/
+parser_prod__ASlashExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#ASlashExpr#n_expr2= on <self:ASlashExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var19 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_expr].val; /* _n_expr on <self:AAssertExpr> */
-if (unlikely(var19 == NULL)) {
+RET_LABEL:;
+}
+/* method parser_prod#ASlashExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__ASlashExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__ASlashExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ASlashExpr#replace_child on <self:Object(ASlashExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#ASlashExpr#n_expr= for (self: ASlashExpr, AExpr) */
+void parser_prod__ASlashExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:ASlashExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#ASlashExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ASlashExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__ASlashExpr__n_expr_61d(self, p0); /* Direct call parser_prod#ASlashExpr#n_expr= on <self:Object(ASlashExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#ASlashExpr#n_expr2= for (self: ASlashExpr, AExpr) */
+void parser_prod__ASlashExpr__n_expr2_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:ASlashExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#ASlashExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ASlashExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__ASlashExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#ASlashExpr#n_expr2= on <self:Object(ASlashExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#ASlashExpr#visit_all for (self: ASlashExpr, Visitor) */
+void parser_prod__ASlashExpr__visit_all(val* self, val* p0) {
+val* var_v /* var v: Visitor */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
+var_v = p0;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ASlashExpr> */
+if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3699);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3858);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:AExpr> */
+parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ASlashExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3859);
+show_backtrace(1);
+}
+{
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+RET_LABEL:;
+}
+/* method parser_prod#ASlashExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__ASlashExpr__visit_all(val* self, val* p0) {
+parser_prod__ASlashExpr__visit_all(self, p0); /* Direct call parser_prod#ASlashExpr#visit_all on <self:Object(ASlashExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#APercentExpr#init_apercentexpr for (self: APercentExpr, nullable AExpr, nullable AExpr) */
+void parser_prod__APercentExpr__init_apercentexpr(val* self, val* p0, val* p1) {
+val* var_n_expr /* var n_expr: nullable AExpr */;
+val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+var_n_expr = p0;
+var_n_expr2 = p1;
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3868);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:APercentExpr> */
+if (var_n_expr == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3869);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+RET_LABEL1:(void)0;
+}
+}
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3870);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:APercentExpr> */
+if (var_n_expr2 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3871);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
+if (unlikely(var_n_expr2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+RET_LABEL2:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#APercentExpr#init_apercentexpr for (self: Object, nullable AExpr, nullable AExpr) */
+void VIRTUAL_parser_prod__APercentExpr__init_apercentexpr(val* self, val* p0, val* p1) {
+parser_prod__APercentExpr__init_apercentexpr(self, p0, p1); /* Direct call parser_prod#APercentExpr#init_apercentexpr on <self:Object(APercentExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#APercentExpr#replace_child for (self: APercentExpr, ANode, nullable ANode) */
+void parser_prod__APercentExpr__replace_child(val* self, val* p0, val* p1) {
+val* var_old_child /* var old_child: ANode */;
+val* var_new_child /* var new_child: nullable ANode */;
+val* var /* : AExpr */;
+short int var1 /* : Bool */;
+short int var2 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var4 /* : Bool */;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+val* var8 /* : AExpr */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
+int cltype16;
+int idtype17;
+const char* var_class_name18;
+var_old_child = p0;
+var_new_child = p1;
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:APercentExpr> */
+if (unlikely(var == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3876);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:AExpr> */
-var25 = var19 == var_other;
-var23 = var25;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
+var6 = var == var_other;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
 }
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
+var2 = var4;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
 }
-var20 = var21;
+var1 = var2;
 }
-if (var20){
+if (var1){
 /* <var_new_child:nullable ANode> isa AExpr */
-cltype27 = type_parser_nodes__AExpr.color;
-idtype28 = type_parser_nodes__AExpr.id;
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var26 = 0;
+var7 = 0;
 } else {
-if(cltype27 >= var_new_child->type->table_size) {
-var26 = 0;
+if(cltype >= var_new_child->type->table_size) {
+var7 = 0;
 } else {
-var26 = var_new_child->type->type_table[cltype27] == idtype28;
+var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var26)) {
-var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name29);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3700);
+if (unlikely(!var7)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3877);
 show_backtrace(1);
 }
 {
-parser_prod__AAssertExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AAssertExpr#n_expr= on <self:AAssertExpr>*/
+parser_prod__APercentExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#APercentExpr#n_expr= on <self:APercentExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var30 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_else].val; /* _n_else on <self:AAssertExpr> */
-if (var30 == NULL) {
-var31 = 0; /* <var_old_child:ANode> cannot be null */
-} else {
-{ /* Inline kernel#Object#== (var30,var_old_child) on <var30:nullable AExpr> */
+var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:APercentExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3880);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var30,var_other) on <var30:nullable AExpr(AExpr)> */
-var36 = var30 == var_other;
-var34 = var36;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
 }
-var32 = var34;
-goto RET_LABEL33;
-RET_LABEL33:(void)0;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
-var31 = var32;
+var9 = var10;
 }
-if (var31){
-/* <var_new_child:nullable ANode> isa nullable AExpr */
-cltype38 = type_nullable_parser_nodes__AExpr.color;
-idtype39 = type_nullable_parser_nodes__AExpr.id;
+if (var9){
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype16 = type_parser_nodes__AExpr.color;
+idtype17 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var37 = 1;
+var15 = 0;
 } else {
-if(cltype38 >= var_new_child->type->table_size) {
-var37 = 0;
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
 } else {
-var37 = var_new_child->type->type_table[cltype38] == idtype39;
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 }
-if (unlikely(!var37)) {
-var_class_name40 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable AExpr", var_class_name40);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3704);
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3881);
 show_backtrace(1);
 }
 {
-parser_prod__AAssertExpr__n_else_61d(self, var_new_child); /* Direct call parser_prod#AAssertExpr#n_else= on <self:AAssertExpr>*/
+parser_prod__APercentExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#APercentExpr#n_expr2= on <self:APercentExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAssertExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AAssertExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AAssertExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AAssertExpr#replace_child on <self:Object(AAssertExpr)>*/
+/* method parser_prod#APercentExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__APercentExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__APercentExpr__replace_child(self, p0, p1); /* Direct call parser_prod#APercentExpr#replace_child on <self:Object(APercentExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAssertExpr#n_kwassert= for (self: AAssertExpr, TKwassert) */
-void parser_prod__AAssertExpr__n_kwassert_61d(val* self, val* p0) {
-val* var_node /* var node: TKwassert */;
+/* method parser_prod#APercentExpr#n_expr= for (self: APercentExpr, AExpr) */
+void parser_prod__APercentExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AAssertExpr___n_kwassert].val = var_node; /* _n_kwassert on <self:AAssertExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:APercentExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwassert> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwassert> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAssertExpr#n_kwassert= for (self: Object, TKwassert) */
-void VIRTUAL_parser_prod__AAssertExpr__n_kwassert_61d(val* self, val* p0) {
-parser_prod__AAssertExpr__n_kwassert_61d(self, p0); /* Direct call parser_prod#AAssertExpr#n_kwassert= on <self:Object(AAssertExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AAssertExpr#n_id= for (self: AAssertExpr, nullable TId) */
-void parser_prod__AAssertExpr__n_id_61d(val* self, val* p0) {
-val* var_node /* var node: nullable TId */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AAssertExpr___n_id].val = var_node; /* _n_id on <self:AAssertExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TId> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TId(TId)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TId(TId)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TId(TId)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AAssertExpr#n_id= for (self: Object, nullable TId) */
-void VIRTUAL_parser_prod__AAssertExpr__n_id_61d(val* self, val* p0) {
-parser_prod__AAssertExpr__n_id_61d(self, p0); /* Direct call parser_prod#AAssertExpr#n_id= on <self:Object(AAssertExpr)>*/
+/* method parser_prod#APercentExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__APercentExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__APercentExpr__n_expr_61d(self, p0); /* Direct call parser_prod#APercentExpr#n_expr= on <self:Object(APercentExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAssertExpr#n_expr= for (self: AAssertExpr, AExpr) */
-void parser_prod__AAssertExpr__n_expr_61d(val* self, val* p0) {
+/* method parser_prod#APercentExpr#n_expr2= for (self: APercentExpr, AExpr) */
+void parser_prod__APercentExpr__n_expr2_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AAssertExpr___n_expr].val = var_node; /* _n_expr on <self:AAssertExpr> */
+self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:APercentExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -7782,142 +6711,84 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAssertExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AAssertExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AAssertExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AAssertExpr#n_expr= on <self:Object(AAssertExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AAssertExpr#n_else= for (self: AAssertExpr, nullable AExpr) */
-void parser_prod__AAssertExpr__n_else_61d(val* self, val* p0) {
-val* var_node /* var node: nullable AExpr */;
-val* var /* : null */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AAssertExpr___n_else].val = var_node; /* _n_else on <self:AAssertExpr> */
-var = NULL;
-if (var_node == NULL) {
-var1 = 0; /* is null */
-} else {
-var1 = 1; /* arg is null and recv is not */
-}
-if (0) {
-{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable AExpr> */
-var_other = var;
-{
-var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable AExpr(AExpr)>*/;
-var4 = var5;
-}
-var6 = !var4;
-var2 = var6;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-var1 = var2;
-}
-if (var1){
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable AExpr(AExpr)> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable AExpr(AExpr)> */
-RET_LABEL7:(void)0;
-}
-}
-} else {
-}
-RET_LABEL:;
-}
-/* method parser_prod#AAssertExpr#n_else= for (self: Object, nullable AExpr) */
-void VIRTUAL_parser_prod__AAssertExpr__n_else_61d(val* self, val* p0) {
-parser_prod__AAssertExpr__n_else_61d(self, p0); /* Direct call parser_prod#AAssertExpr#n_else= on <self:Object(AAssertExpr)>*/
+/* method parser_prod#APercentExpr#n_expr2= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__APercentExpr__n_expr2_61d(val* self, val* p0) {
+parser_prod__APercentExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#APercentExpr#n_expr2= on <self:Object(APercentExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAssertExpr#visit_all for (self: AAssertExpr, Visitor) */
-void parser_prod__AAssertExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#APercentExpr#visit_all for (self: APercentExpr, Visitor) */
+void parser_prod__APercentExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TKwassert */;
-val* var1 /* : nullable TId */;
-val* var2 /* : AExpr */;
-val* var3 /* : nullable AExpr */;
+val* var /* : AExpr */;
+val* var1 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AAssertExpr___n_kwassert].val; /* _n_kwassert on <self:AAssertExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:APercentExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwassert");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3733);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3900);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_id].val; /* _n_id on <self:AAssertExpr> */
-{
-parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var2 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_expr].val; /* _n_expr on <self:AAssertExpr> */
-if (unlikely(var2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3735);
+var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:APercentExpr> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3901);
 show_backtrace(1);
 }
 {
-parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var3 = self->attrs[COLOR_parser_nodes__AAssertExpr___n_else].val; /* _n_else on <self:AAssertExpr> */
-{
-parser_nodes__Visitor__enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAssertExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AAssertExpr__visit_all(val* self, val* p0) {
-parser_prod__AAssertExpr__visit_all(self, p0); /* Direct call parser_prod#AAssertExpr#visit_all on <self:Object(AAssertExpr)>*/
+/* method parser_prod#APercentExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__APercentExpr__visit_all(val* self, val* p0) {
+parser_prod__APercentExpr__visit_all(self, p0); /* Direct call parser_prod#APercentExpr#visit_all on <self:Object(APercentExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOnceExpr#init_aonceexpr for (self: AOnceExpr, nullable TKwonce, nullable AExpr) */
-void parser_prod__AOnceExpr__init_aonceexpr(val* self, val* p0, val* p1) {
-val* var_n_kwonce /* var n_kwonce: nullable TKwonce */;
+/* method parser_prod#AUminusExpr#init_auminusexpr for (self: AUminusExpr, nullable TMinus, nullable AExpr) */
+void parser_prod__AUminusExpr__init_auminusexpr(val* self, val* p0, val* p1) {
+val* var_n_minus /* var n_minus: nullable TMinus */;
 val* var_n_expr /* var n_expr: nullable AExpr */;
-var_n_kwonce = p0;
+var_n_minus = p0;
 var_n_expr = p1;
-if (unlikely(var_n_kwonce == NULL)) {
+if (unlikely(var_n_minus == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3745);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3910);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AOnceExpr___n_kwonce].val = var_n_kwonce; /* _n_kwonce on <self:AOnceExpr> */
-if (var_n_kwonce == NULL) {
+self->attrs[COLOR_parser_nodes__AUminusExpr___n_minus].val = var_n_minus; /* _n_minus on <self:AUminusExpr> */
+if (var_n_minus == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3746);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3911);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwonce,self) on <var_n_kwonce:nullable TKwonce> */
-if (unlikely(var_n_kwonce == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_minus,self) on <var_n_minus:nullable TMinus> */
+if (unlikely(var_n_minus == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_kwonce->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwonce:nullable TKwonce> */
+var_n_minus->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_minus:nullable TMinus> */
 RET_LABEL1:(void)0;
 }
 }
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3747);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3912);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AProxyExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AOnceExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AUminusExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3748);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3913);
 show_backtrace(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
 var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
@@ -7926,16 +6797,16 @@ RET_LABEL2:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOnceExpr#init_aonceexpr for (self: Object, nullable TKwonce, nullable AExpr) */
-void VIRTUAL_parser_prod__AOnceExpr__init_aonceexpr(val* self, val* p0, val* p1) {
-parser_prod__AOnceExpr__init_aonceexpr(self, p0, p1); /* Direct call parser_prod#AOnceExpr#init_aonceexpr on <self:Object(AOnceExpr)>*/
+/* method parser_prod#AUminusExpr#init_auminusexpr for (self: Object, nullable TMinus, nullable AExpr) */
+void VIRTUAL_parser_prod__AUminusExpr__init_auminusexpr(val* self, val* p0, val* p1) {
+parser_prod__AUminusExpr__init_auminusexpr(self, p0, p1); /* Direct call parser_prod#AUminusExpr#init_auminusexpr on <self:Object(AUminusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOnceExpr#replace_child for (self: AOnceExpr, ANode, nullable ANode) */
-void parser_prod__AOnceExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AUminusExpr#replace_child for (self: AUminusExpr, ANode, nullable ANode) */
+void parser_prod__AUminusExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwonce */;
+val* var /* : TMinus */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -7956,17 +6827,17 @@ int idtype17;
 const char* var_class_name18;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AOnceExpr___n_kwonce].val; /* _n_kwonce on <self:AOnceExpr> */
+var = self->attrs[COLOR_parser_nodes__AUminusExpr___n_minus].val; /* _n_minus on <self:AUminusExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwonce");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3753);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_minus");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3918);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwonce> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TMinus> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwonce> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TMinus> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -7978,11 +6849,11 @@ goto RET_LABEL3;
 RET_LABEL3:(void)0;
 }
 var1 = var2;
-}
-if (var1){
-/* <var_new_child:nullable ANode> isa TKwonce */
-cltype = type_parser_nodes__TKwonce.color;
-idtype = type_parser_nodes__TKwonce.id;
+}
+if (var1){
+/* <var_new_child:nullable ANode> isa TMinus */
+cltype = type_parser_nodes__TMinus.color;
+idtype = type_parser_nodes__TMinus.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -7994,20 +6865,20 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwonce", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3754);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TMinus", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3919);
 show_backtrace(1);
 }
 {
-parser_prod__AOnceExpr__n_kwonce_61d(self, var_new_child); /* Direct call parser_prod#AOnceExpr#n_kwonce= on <self:AOnceExpr>*/
+parser_prod__AUminusExpr__n_minus_61d(self, var_new_child); /* Direct call parser_prod#AUminusExpr#n_minus= on <self:AUminusExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AProxyExpr___n_expr].val; /* _n_expr on <self:AOnceExpr> */
+var8 = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AUminusExpr> */
 if (unlikely(var8 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3757);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3922);
 show_backtrace(1);
 }
 {
@@ -8043,45 +6914,45 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3758);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3923);
 show_backtrace(1);
 }
 {
-parser_prod__AOnceExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AOnceExpr#n_expr= on <self:AOnceExpr>*/
+parser_prod__AUminusExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AUminusExpr#n_expr= on <self:AUminusExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOnceExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AOnceExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AOnceExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AOnceExpr#replace_child on <self:Object(AOnceExpr)>*/
+/* method parser_prod#AUminusExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AUminusExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AUminusExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AUminusExpr#replace_child on <self:Object(AUminusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOnceExpr#n_kwonce= for (self: AOnceExpr, TKwonce) */
-void parser_prod__AOnceExpr__n_kwonce_61d(val* self, val* p0) {
-val* var_node /* var node: TKwonce */;
+/* method parser_prod#AUminusExpr#n_minus= for (self: AUminusExpr, TMinus) */
+void parser_prod__AUminusExpr__n_minus_61d(val* self, val* p0) {
+val* var_node /* var node: TMinus */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AOnceExpr___n_kwonce].val = var_node; /* _n_kwonce on <self:AOnceExpr> */
+self->attrs[COLOR_parser_nodes__AUminusExpr___n_minus].val = var_node; /* _n_minus on <self:AUminusExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwonce> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwonce> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TMinus> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TMinus> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOnceExpr#n_kwonce= for (self: Object, TKwonce) */
-void VIRTUAL_parser_prod__AOnceExpr__n_kwonce_61d(val* self, val* p0) {
-parser_prod__AOnceExpr__n_kwonce_61d(self, p0); /* Direct call parser_prod#AOnceExpr#n_kwonce= on <self:Object(AOnceExpr)>*/
+/* method parser_prod#AUminusExpr#n_minus= for (self: Object, TMinus) */
+void VIRTUAL_parser_prod__AUminusExpr__n_minus_61d(val* self, val* p0) {
+parser_prod__AUminusExpr__n_minus_61d(self, p0); /* Direct call parser_prod#AUminusExpr#n_minus= on <self:Object(AUminusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOnceExpr#n_expr= for (self: AOnceExpr, AExpr) */
-void parser_prod__AOnceExpr__n_expr_61d(val* self, val* p0) {
+/* method parser_prod#AUminusExpr#n_expr= for (self: AUminusExpr, AExpr) */
+void parser_prod__AUminusExpr__n_expr_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AProxyExpr___n_expr].val = var_node; /* _n_expr on <self:AOnceExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:AUminusExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -8090,30 +6961,30 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOnceExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AOnceExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AOnceExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AOnceExpr#n_expr= on <self:Object(AOnceExpr)>*/
+/* method parser_prod#AUminusExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AUminusExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AUminusExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AUminusExpr#n_expr= on <self:Object(AUminusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOnceExpr#visit_all for (self: AOnceExpr, Visitor) */
-void parser_prod__AOnceExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#AUminusExpr#visit_all for (self: AUminusExpr, Visitor) */
+void parser_prod__AUminusExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TKwonce */;
+val* var /* : TMinus */;
 val* var1 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AOnceExpr___n_kwonce].val; /* _n_kwonce on <self:AOnceExpr> */
+var = self->attrs[COLOR_parser_nodes__AUminusExpr___n_minus].val; /* _n_minus on <self:AUminusExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwonce");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3777);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_minus");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3942);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AProxyExpr___n_expr].val; /* _n_expr on <self:AOnceExpr> */
+var1 = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AUminusExpr> */
 if (unlikely(var1 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3778);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3943);
 show_backtrace(1);
 }
 {
@@ -8121,71 +6992,133 @@ parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Vis
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOnceExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AOnceExpr__visit_all(val* self, val* p0) {
-parser_prod__AOnceExpr__visit_all(self, p0); /* Direct call parser_prod#AOnceExpr#visit_all on <self:Object(AOnceExpr)>*/
+/* method parser_prod#AUminusExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AUminusExpr__visit_all(val* self, val* p0) {
+parser_prod__AUminusExpr__visit_all(self, p0); /* Direct call parser_prod#AUminusExpr#visit_all on <self:Object(AUminusExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOrExpr#init_aorexpr for (self: AOrExpr, nullable AExpr, nullable AExpr) */
-void parser_prod__AOrExpr__init_aorexpr(val* self, val* p0, val* p1) {
-val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_expr2 /* var n_expr2: nullable AExpr */;
-var_n_expr = p0;
-var_n_expr2 = p1;
-if (unlikely(var_n_expr == NULL)) {
+/* method parser_prod#ANewExpr#init_anewexpr for (self: ANewExpr, nullable TKwnew, nullable AType, nullable TId, nullable AExprs) */
+void parser_prod__ANewExpr__init_anewexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
+val* var_n_kwnew /* var n_kwnew: nullable TKwnew */;
+val* var_n_type /* var n_type: nullable AType */;
+val* var_n_id /* var n_id: nullable TId */;
+val* var_n_args /* var n_args: nullable AExprs */;
+val* var /* : null */;
+short int var3 /* : Bool */;
+short int var4 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+short int var8 /* : Bool */;
+var_n_kwnew = p0;
+var_n_type = p1;
+var_n_id = p2;
+var_n_args = p3;
+if (unlikely(var_n_kwnew == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3858);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3954);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AOrExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AOrExpr> */
-if (var_n_expr == NULL) {
+self->attrs[COLOR_parser_nodes__ANewExpr___n_kwnew].val = var_n_kwnew; /* _n_kwnew on <self:ANewExpr> */
+if (var_n_kwnew == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3859);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3955);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
-if (unlikely(var_n_expr == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_kwnew,self) on <var_n_kwnew:nullable TKwnew> */
+if (unlikely(var_n_kwnew == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+var_n_kwnew->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwnew:nullable TKwnew> */
 RET_LABEL1:(void)0;
 }
 }
-if (unlikely(var_n_expr2 == NULL)) {
+if (unlikely(var_n_type == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3860);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3956);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AOrExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AOrExpr> */
-if (var_n_expr2 == NULL) {
+self->attrs[COLOR_parser_nodes__ANewExpr___n_type].val = var_n_type; /* _n_type on <self:ANewExpr> */
+if (var_n_type == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3861);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3957);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
-if (unlikely(var_n_expr2 == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_type,self) on <var_n_type:nullable AType> */
+if (unlikely(var_n_type == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+var_n_type->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_type:nullable AType> */
 RET_LABEL2:(void)0;
 }
 }
+self->attrs[COLOR_parser_nodes__ANewExpr___n_id].val = var_n_id; /* _n_id on <self:ANewExpr> */
+var = NULL;
+if (var_n_id == NULL) {
+var3 = 0; /* is null */
+} else {
+var3 = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel#Object#!= (var_n_id,var) on <var_n_id:nullable TId> */
+var_other = var;
+{
+var7 = ((short int (*)(val*, val*))(var_n_id->class->vft[COLOR_kernel__Object___61d_61d]))(var_n_id, var_other) /* == on <var_n_id:nullable TId(TId)>*/;
+var6 = var7;
+}
+var8 = !var6;
+var4 = var8;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
+}
+var3 = var4;
+}
+if (var3){
+{
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId(TId)> */
+var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId(TId)> */
+RET_LABEL9:(void)0;
+}
+}
+} else {
+}
+if (unlikely(var_n_args == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3960);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ANewExpr___n_args].val = var_n_args; /* _n_args on <self:ANewExpr> */
+if (var_n_args == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3961);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_args,self) on <var_n_args:nullable AExprs> */
+if (unlikely(var_n_args == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_args->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_args:nullable AExprs> */
+RET_LABEL10:(void)0;
+}
+}
 RET_LABEL:;
 }
-/* method parser_prod#AOrExpr#init_aorexpr for (self: Object, nullable AExpr, nullable AExpr) */
-void VIRTUAL_parser_prod__AOrExpr__init_aorexpr(val* self, val* p0, val* p1) {
-parser_prod__AOrExpr__init_aorexpr(self, p0, p1); /* Direct call parser_prod#AOrExpr#init_aorexpr on <self:Object(AOrExpr)>*/
+/* method parser_prod#ANewExpr#init_anewexpr for (self: Object, nullable TKwnew, nullable AType, nullable TId, nullable AExprs) */
+void VIRTUAL_parser_prod__ANewExpr__init_anewexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
+parser_prod__ANewExpr__init_anewexpr(self, p0, p1, p2, p3); /* Direct call parser_prod#ANewExpr#init_anewexpr on <self:Object(ANewExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOrExpr#replace_child for (self: AOrExpr, ANode, nullable ANode) */
-void parser_prod__AOrExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ANewExpr#replace_child for (self: ANewExpr, ANode, nullable ANode) */
+void parser_prod__ANewExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : AExpr */;
+val* var /* : TKwnew */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -8195,7 +7128,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : AExpr */;
+val* var8 /* : AType */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -8204,19 +7137,37 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
+val* var19 /* : nullable TId */;
+short int var20 /* : Bool */;
+short int var21 /* : Bool */;
+short int var23 /* : Bool */;
+short int var25 /* : Bool */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+const char* var_class_name29;
+val* var30 /* : AExprs */;
+short int var31 /* : Bool */;
+short int var32 /* : Bool */;
+short int var34 /* : Bool */;
+short int var36 /* : Bool */;
+short int var37 /* : Bool */;
+int cltype38;
+int idtype39;
+const char* var_class_name40;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AOrExpr___n_expr].val; /* _n_expr on <self:AOrExpr> */
+var = self->attrs[COLOR_parser_nodes__ANewExpr___n_kwnew].val; /* _n_kwnew on <self:ANewExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3866);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnew");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3966);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwnew> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwnew> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -8230,9 +7181,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype = type_parser_nodes__AExpr.color;
-idtype = type_parser_nodes__AExpr.id;
+/* <var_new_child:nullable ANode> isa TKwnew */
+cltype = type_parser_nodes__TKwnew.color;
+idtype = type_parser_nodes__TKwnew.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -8244,27 +7195,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3867);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwnew", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3967);
 show_backtrace(1);
 }
 {
-parser_prod__AOrExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AOrExpr#n_expr= on <self:AOrExpr>*/
+parser_prod__ANewExpr__n_kwnew_61d(self, var_new_child); /* Direct call parser_prod#ANewExpr#n_kwnew= on <self:ANewExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AOrExpr___n_expr2].val; /* _n_expr2 on <self:AOrExpr> */
+var8 = self->attrs[COLOR_parser_nodes__ANewExpr___n_type].val; /* _n_type on <self:ANewExpr> */
 if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3870);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3970);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AType> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AType> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -8278,9 +7229,9 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype16 = type_parser_nodes__AExpr.color;
-idtype17 = type_parser_nodes__AExpr.id;
+/* <var_new_child:nullable ANode> isa AType */
+cltype16 = type_parser_nodes__AType.color;
+idtype17 = type_parser_nodes__AType.id;
 if(var_new_child == NULL) {
 var15 = 0;
 } else {
@@ -8292,147 +7243,321 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3871);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AType", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3971);
 show_backtrace(1);
 }
 {
-parser_prod__AOrExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AOrExpr#n_expr2= on <self:AOrExpr>*/
+parser_prod__ANewExpr__n_type_61d(self, var_new_child); /* Direct call parser_prod#ANewExpr#n_type= on <self:ANewExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var19 = self->attrs[COLOR_parser_nodes__ANewExpr___n_id].val; /* _n_id on <self:ANewExpr> */
+if (var19 == NULL) {
+var20 = 0; /* <var_old_child:ANode> cannot be null */
+} else {
+{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:nullable TId> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:nullable TId(TId)> */
+var25 = var19 == var_other;
+var23 = var25;
+goto RET_LABEL24;
+RET_LABEL24:(void)0;
+}
+}
+var21 = var23;
+goto RET_LABEL22;
+RET_LABEL22:(void)0;
+}
+var20 = var21;
+}
+if (var20){
+/* <var_new_child:nullable ANode> isa nullable TId */
+cltype27 = type_nullable_parser_nodes__TId.color;
+idtype28 = type_nullable_parser_nodes__TId.id;
+if(var_new_child == NULL) {
+var26 = 1;
+} else {
+if(cltype27 >= var_new_child->type->table_size) {
+var26 = 0;
+} else {
+var26 = var_new_child->type->type_table[cltype27] == idtype28;
+}
+}
+if (unlikely(!var26)) {
+var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "nullable TId", var_class_name29);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3975);
+show_backtrace(1);
+}
+{
+parser_prod__ANewExpr__n_id_61d(self, var_new_child); /* Direct call parser_prod#ANewExpr#n_id= on <self:ANewExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var30 = self->attrs[COLOR_parser_nodes__ANewExpr___n_args].val; /* _n_args on <self:ANewExpr> */
+if (unlikely(var30 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_args");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3978);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var30,var_old_child) on <var30:AExprs> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var30,var_other) on <var30:AExprs> */
+var36 = var30 == var_other;
+var34 = var36;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
+}
+}
+var32 = var34;
+goto RET_LABEL33;
+RET_LABEL33:(void)0;
+}
+var31 = var32;
+}
+if (var31){
+/* <var_new_child:nullable ANode> isa AExprs */
+cltype38 = type_parser_nodes__AExprs.color;
+idtype39 = type_parser_nodes__AExprs.id;
+if(var_new_child == NULL) {
+var37 = 0;
+} else {
+if(cltype38 >= var_new_child->type->table_size) {
+var37 = 0;
+} else {
+var37 = var_new_child->type->type_table[cltype38] == idtype39;
+}
+}
+if (unlikely(!var37)) {
+var_class_name40 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExprs", var_class_name40);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 3979);
+show_backtrace(1);
+}
+{
+parser_prod__ANewExpr__n_args_61d(self, var_new_child); /* Direct call parser_prod#ANewExpr#n_args= on <self:ANewExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-RET_LABEL:;
+RET_LABEL:;
+}
+/* method parser_prod#ANewExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__ANewExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__ANewExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ANewExpr#replace_child on <self:Object(ANewExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#ANewExpr#n_kwnew= for (self: ANewExpr, TKwnew) */
+void parser_prod__ANewExpr__n_kwnew_61d(val* self, val* p0) {
+val* var_node /* var node: TKwnew */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ANewExpr___n_kwnew].val = var_node; /* _n_kwnew on <self:ANewExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwnew> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwnew> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#ANewExpr#n_kwnew= for (self: Object, TKwnew) */
+void VIRTUAL_parser_prod__ANewExpr__n_kwnew_61d(val* self, val* p0) {
+parser_prod__ANewExpr__n_kwnew_61d(self, p0); /* Direct call parser_prod#ANewExpr#n_kwnew= on <self:Object(ANewExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#ANewExpr#n_type= for (self: ANewExpr, AType) */
+void parser_prod__ANewExpr__n_type_61d(val* self, val* p0) {
+val* var_node /* var node: AType */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ANewExpr___n_type].val = var_node; /* _n_type on <self:ANewExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AType> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AType> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#ANewExpr#n_type= for (self: Object, AType) */
+void VIRTUAL_parser_prod__ANewExpr__n_type_61d(val* self, val* p0) {
+parser_prod__ANewExpr__n_type_61d(self, p0); /* Direct call parser_prod#ANewExpr#n_type= on <self:Object(ANewExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#ANewExpr#n_id= for (self: ANewExpr, nullable TId) */
+void parser_prod__ANewExpr__n_id_61d(val* self, val* p0) {
+val* var_node /* var node: nullable TId */;
+val* var /* : null */;
+short int var1 /* : Bool */;
+short int var2 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var4 /* : Bool */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ANewExpr___n_id].val = var_node; /* _n_id on <self:ANewExpr> */
+var = NULL;
+if (var_node == NULL) {
+var1 = 0; /* is null */
+} else {
+var1 = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel#Object#!= (var_node,var) on <var_node:nullable TId> */
+var_other = var;
+{
+var5 = ((short int (*)(val*, val*))(var_node->class->vft[COLOR_kernel__Object___61d_61d]))(var_node, var_other) /* == on <var_node:nullable TId(TId)>*/;
+var4 = var5;
+}
+var6 = !var4;
+var2 = var6;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
 }
-/* method parser_prod#AOrExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AOrExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AOrExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AOrExpr#replace_child on <self:Object(AOrExpr)>*/
-RET_LABEL:;
+var1 = var2;
 }
-/* method parser_prod#AOrExpr#n_expr= for (self: AOrExpr, AExpr) */
-void parser_prod__AOrExpr__n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__AOrExpr___n_expr].val = var_node; /* _n_expr on <self:AOrExpr> */
+if (var1){
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
-RET_LABEL1:(void)0;
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:nullable TId(TId)> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:nullable TId(TId)> */
+RET_LABEL7:(void)0;
 }
 }
+} else {
+}
 RET_LABEL:;
 }
-/* method parser_prod#AOrExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AOrExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AOrExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AOrExpr#n_expr= on <self:Object(AOrExpr)>*/
+/* method parser_prod#ANewExpr#n_id= for (self: Object, nullable TId) */
+void VIRTUAL_parser_prod__ANewExpr__n_id_61d(val* self, val* p0) {
+parser_prod__ANewExpr__n_id_61d(self, p0); /* Direct call parser_prod#ANewExpr#n_id= on <self:Object(ANewExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOrExpr#n_expr2= for (self: AOrExpr, AExpr) */
-void parser_prod__AOrExpr__n_expr2_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
+/* method parser_prod#ANewExpr#n_args= for (self: ANewExpr, AExprs) */
+void parser_prod__ANewExpr__n_args_61d(val* self, val* p0) {
+val* var_node /* var node: AExprs */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AOrExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AOrExpr> */
+self->attrs[COLOR_parser_nodes__ANewExpr___n_args].val = var_node; /* _n_args on <self:ANewExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExprs> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExprs> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOrExpr#n_expr2= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AOrExpr__n_expr2_61d(val* self, val* p0) {
-parser_prod__AOrExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AOrExpr#n_expr2= on <self:Object(AOrExpr)>*/
+/* method parser_prod#ANewExpr#n_args= for (self: Object, AExprs) */
+void VIRTUAL_parser_prod__ANewExpr__n_args_61d(val* self, val* p0) {
+parser_prod__ANewExpr__n_args_61d(self, p0); /* Direct call parser_prod#ANewExpr#n_args= on <self:Object(ANewExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOrExpr#visit_all for (self: AOrExpr, Visitor) */
-void parser_prod__AOrExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#ANewExpr#visit_all for (self: ANewExpr, Visitor) */
+void parser_prod__ANewExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : AExpr */;
-val* var1 /* : AExpr */;
+val* var /* : TKwnew */;
+val* var1 /* : AType */;
+val* var2 /* : nullable TId */;
+val* var3 /* : AExprs */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AOrExpr___n_expr].val; /* _n_expr on <self:AOrExpr> */
+var = self->attrs[COLOR_parser_nodes__ANewExpr___n_kwnew].val; /* _n_kwnew on <self:ANewExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3890);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnew");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4008);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AOrExpr___n_expr2].val; /* _n_expr2 on <self:AOrExpr> */
+var1 = self->attrs[COLOR_parser_nodes__ANewExpr___n_type].val; /* _n_type on <self:ANewExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3891);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_type");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4009);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+var2 = self->attrs[COLOR_parser_nodes__ANewExpr___n_id].val; /* _n_id on <self:ANewExpr> */
+{
+parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var3 = self->attrs[COLOR_parser_nodes__ANewExpr___n_args].val; /* _n_args on <self:ANewExpr> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_args");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4011);
+show_backtrace(1);
+}
+{
+parser_nodes__Visitor__enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
 RET_LABEL:;
 }
-/* method parser_prod#AOrExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AOrExpr__visit_all(val* self, val* p0) {
-parser_prod__AOrExpr__visit_all(self, p0); /* Direct call parser_prod#AOrExpr#visit_all on <self:Object(AOrExpr)>*/
+/* method parser_prod#ANewExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__ANewExpr__visit_all(val* self, val* p0) {
+parser_prod__ANewExpr__visit_all(self, p0); /* Direct call parser_prod#ANewExpr#visit_all on <self:Object(ANewExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAndExpr#init_aandexpr for (self: AAndExpr, nullable AExpr, nullable AExpr) */
-void parser_prod__AAndExpr__init_aandexpr(val* self, val* p0, val* p1) {
+/* method parser_prod#AAttrExpr#init_aattrexpr for (self: AAttrExpr, nullable AExpr, nullable TAttrid) */
+void parser_prod__AAttrExpr__init_aattrexpr(val* self, val* p0, val* p1) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+val* var_n_id /* var n_id: nullable TAttrid */;
 var_n_expr = p0;
-var_n_expr2 = p1;
+var_n_id = p1;
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3900);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4020);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AAndExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AAndExpr> */
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AAttrExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3901);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4021);
 show_backtrace(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
 var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-if (unlikely(var_n_expr2 == NULL)) {
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3902);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4022);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AAndExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AAndExpr> */
-if (var_n_expr2 == NULL) {
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val = var_n_id; /* _n_id on <self:AAttrExpr> */
+if (var_n_id == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3903);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4023);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
-if (unlikely(var_n_expr2 == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TAttrid> */
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TAttrid> */
 RET_LABEL2:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAndExpr#init_aandexpr for (self: Object, nullable AExpr, nullable AExpr) */
-void VIRTUAL_parser_prod__AAndExpr__init_aandexpr(val* self, val* p0, val* p1) {
-parser_prod__AAndExpr__init_aandexpr(self, p0, p1); /* Direct call parser_prod#AAndExpr#init_aandexpr on <self:Object(AAndExpr)>*/
+/* method parser_prod#AAttrExpr#init_aattrexpr for (self: Object, nullable AExpr, nullable TAttrid) */
+void VIRTUAL_parser_prod__AAttrExpr__init_aattrexpr(val* self, val* p0, val* p1) {
+parser_prod__AAttrExpr__init_aattrexpr(self, p0, p1); /* Direct call parser_prod#AAttrExpr#init_aattrexpr on <self:Object(AAttrExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAndExpr#replace_child for (self: AAndExpr, ANode, nullable ANode) */
-void parser_prod__AAndExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AAttrExpr#replace_child for (self: AAttrExpr, ANode, nullable ANode) */
+void parser_prod__AAttrExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
 val* var /* : AExpr */;
@@ -8445,7 +7570,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : AExpr */;
+val* var8 /* : TAttrid */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -8456,10 +7581,10 @@ int idtype17;
 const char* var_class_name18;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AAndExpr___n_expr].val; /* _n_expr on <self:AAndExpr> */
+var = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AAttrExpr> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3908);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4028);
 show_backtrace(1);
 }
 {
@@ -8495,26 +7620,26 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3909);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4029);
 show_backtrace(1);
 }
 {
-parser_prod__AAndExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AAndExpr#n_expr= on <self:AAndExpr>*/
+parser_prod__AAttrExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AAttrExpr#n_expr= on <self:AAttrExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AAndExpr___n_expr2].val; /* _n_expr2 on <self:AAndExpr> */
+var8 = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val; /* _n_id on <self:AAttrExpr> */
 if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3912);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4032);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:TAttrid> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:TAttrid> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -8528,9 +7653,9 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype16 = type_parser_nodes__AExpr.color;
-idtype17 = type_parser_nodes__AExpr.id;
+/* <var_new_child:nullable ANode> isa TAttrid */
+cltype16 = type_parser_nodes__TAttrid.color;
+idtype17 = type_parser_nodes__TAttrid.id;
 if(var_new_child == NULL) {
 var15 = 0;
 } else {
@@ -8542,28 +7667,28 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3913);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TAttrid", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4033);
 show_backtrace(1);
 }
 {
-parser_prod__AAndExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AAndExpr#n_expr2= on <self:AAndExpr>*/
+parser_prod__AAttrExpr__n_id_61d(self, var_new_child); /* Direct call parser_prod#AAttrExpr#n_id= on <self:AAttrExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAndExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AAndExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AAndExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AAndExpr#replace_child on <self:Object(AAndExpr)>*/
+/* method parser_prod#AAttrExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AAttrExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AAttrExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AAttrExpr#replace_child on <self:Object(AAttrExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAndExpr#n_expr= for (self: AAndExpr, AExpr) */
-void parser_prod__AAndExpr__n_expr_61d(val* self, val* p0) {
+/* method parser_prod#AAttrExpr#n_expr= for (self: AAttrExpr, AExpr) */
+void parser_prod__AAttrExpr__n_expr_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AAndExpr___n_expr].val = var_node; /* _n_expr on <self:AAndExpr> */
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val = var_node; /* _n_expr on <self:AAttrExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -8572,48 +7697,48 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAndExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AAndExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AAndExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AAndExpr#n_expr= on <self:Object(AAndExpr)>*/
+/* method parser_prod#AAttrExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AAttrExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AAttrExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AAttrExpr#n_expr= on <self:Object(AAttrExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAndExpr#n_expr2= for (self: AAndExpr, AExpr) */
-void parser_prod__AAndExpr__n_expr2_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
+/* method parser_prod#AAttrExpr#n_id= for (self: AAttrExpr, TAttrid) */
+void parser_prod__AAttrExpr__n_id_61d(val* self, val* p0) {
+val* var_node /* var node: TAttrid */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AAndExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AAndExpr> */
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val = var_node; /* _n_id on <self:AAttrExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TAttrid> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TAttrid> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAndExpr#n_expr2= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AAndExpr__n_expr2_61d(val* self, val* p0) {
-parser_prod__AAndExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AAndExpr#n_expr2= on <self:Object(AAndExpr)>*/
+/* method parser_prod#AAttrExpr#n_id= for (self: Object, TAttrid) */
+void VIRTUAL_parser_prod__AAttrExpr__n_id_61d(val* self, val* p0) {
+parser_prod__AAttrExpr__n_id_61d(self, p0); /* Direct call parser_prod#AAttrExpr#n_id= on <self:Object(AAttrExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AAndExpr#visit_all for (self: AAndExpr, Visitor) */
-void parser_prod__AAndExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#AAttrExpr#visit_all for (self: AAttrExpr, Visitor) */
+void parser_prod__AAttrExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
 val* var /* : AExpr */;
-val* var1 /* : AExpr */;
+val* var1 /* : TAttrid */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AAndExpr___n_expr].val; /* _n_expr on <self:AAndExpr> */
+var = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AAttrExpr> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3932);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4052);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AAndExpr___n_expr2].val; /* _n_expr2 on <self:AAndExpr> */
+var1 = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val; /* _n_id on <self:AAttrExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3933);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4053);
 show_backtrace(1);
 }
 {
@@ -8621,68 +7746,114 @@ parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Vis
 }
 RET_LABEL:;
 }
-/* method parser_prod#AAndExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AAndExpr__visit_all(val* self, val* p0) {
-parser_prod__AAndExpr__visit_all(self, p0); /* Direct call parser_prod#AAndExpr#visit_all on <self:Object(AAndExpr)>*/
+/* method parser_prod#AAttrExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AAttrExpr__visit_all(val* self, val* p0) {
+parser_prod__AAttrExpr__visit_all(self, p0); /* Direct call parser_prod#AAttrExpr#visit_all on <self:Object(AAttrExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOrElseExpr#init_aorelseexpr for (self: AOrElseExpr, nullable AExpr, nullable AExpr) */
-void parser_prod__AOrElseExpr__init_aorelseexpr(val* self, val* p0, val* p1) {
+/* method parser_prod#AAttrAssignExpr#init_aattrassignexpr for (self: AAttrAssignExpr, nullable AExpr, nullable TAttrid, nullable TAssign, nullable AExpr) */
+void parser_prod__AAttrAssignExpr__init_aattrassignexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+val* var_n_id /* var n_id: nullable TAttrid */;
+val* var_n_assign /* var n_assign: nullable TAssign */;
+val* var_n_value /* var n_value: nullable AExpr */;
 var_n_expr = p0;
-var_n_expr2 = p1;
+var_n_id = p1;
+var_n_assign = p2;
+var_n_value = p3;
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3942);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4064);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AOrElseExpr> */
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AAttrAssignExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3943);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4065);
 show_backtrace(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
 var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-if (unlikely(var_n_expr2 == NULL)) {
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3944);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4066);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AOrElseExpr> */
-if (var_n_expr2 == NULL) {
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val = var_n_id; /* _n_id on <self:AAttrAssignExpr> */
+if (var_n_id == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3945);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4067);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
-if (unlikely(var_n_expr2 == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TAttrid> */
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TAttrid> */
 RET_LABEL2:(void)0;
 }
 }
+if (unlikely(var_n_assign == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4068);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_assign].val = var_n_assign; /* _n_assign on <self:AAttrAssignExpr> */
+if (var_n_assign == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4069);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_assign,self) on <var_n_assign:nullable TAssign> */
+if (unlikely(var_n_assign == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_assign->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_assign:nullable TAssign> */
+RET_LABEL3:(void)0;
+}
+}
+if (unlikely(var_n_value == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4070);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_value].val = var_n_value; /* _n_value on <self:AAttrAssignExpr> */
+if (var_n_value == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4071);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_value,self) on <var_n_value:nullable AExpr> */
+if (unlikely(var_n_value == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_value->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_value:nullable AExpr> */
+RET_LABEL4:(void)0;
+}
+}
 RET_LABEL:;
 }
-/* method parser_prod#AOrElseExpr#init_aorelseexpr for (self: Object, nullable AExpr, nullable AExpr) */
-void VIRTUAL_parser_prod__AOrElseExpr__init_aorelseexpr(val* self, val* p0, val* p1) {
-parser_prod__AOrElseExpr__init_aorelseexpr(self, p0, p1); /* Direct call parser_prod#AOrElseExpr#init_aorelseexpr on <self:Object(AOrElseExpr)>*/
+/* method parser_prod#AAttrAssignExpr#init_aattrassignexpr for (self: Object, nullable AExpr, nullable TAttrid, nullable TAssign, nullable AExpr) */
+void VIRTUAL_parser_prod__AAttrAssignExpr__init_aattrassignexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
+parser_prod__AAttrAssignExpr__init_aattrassignexpr(self, p0, p1, p2, p3); /* Direct call parser_prod#AAttrAssignExpr#init_aattrassignexpr on <self:Object(AAttrAssignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOrElseExpr#replace_child for (self: AOrElseExpr, ANode, nullable ANode) */
-void parser_prod__AOrElseExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AAttrAssignExpr#replace_child for (self: AAttrAssignExpr, ANode, nullable ANode) */
+void parser_prod__AAttrAssignExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
 val* var /* : AExpr */;
@@ -8695,7 +7866,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : AExpr */;
+val* var8 /* : TAttrid */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -8704,12 +7875,30 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
+val* var19 /* : TAssign */;
+short int var20 /* : Bool */;
+short int var21 /* : Bool */;
+short int var23 /* : Bool */;
+short int var25 /* : Bool */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+const char* var_class_name29;
+val* var30 /* : AExpr */;
+short int var31 /* : Bool */;
+short int var32 /* : Bool */;
+short int var34 /* : Bool */;
+short int var36 /* : Bool */;
+short int var37 /* : Bool */;
+int cltype38;
+int idtype39;
+const char* var_class_name40;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr].val; /* _n_expr on <self:AOrElseExpr> */
+var = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AAttrAssignExpr> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3950);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4076);
 show_backtrace(1);
 }
 {
@@ -8734,86 +7923,182 @@ if (var1){
 cltype = type_parser_nodes__AExpr.color;
 idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var7 = 0;
+var7 = 0;
+} else {
+if(cltype >= var_new_child->type->table_size) {
+var7 = 0;
+} else {
+var7 = var_new_child->type->type_table[cltype] == idtype;
+}
+}
+if (unlikely(!var7)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4077);
+show_backtrace(1);
+}
+{
+parser_prod__AAttrAssignExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AAttrAssignExpr#n_expr= on <self:AAttrAssignExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var8 = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val; /* _n_id on <self:AAttrAssignExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4080);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:TAttrid> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:TAttrid> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
+}
+}
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
+}
+var9 = var10;
+}
+if (var9){
+/* <var_new_child:nullable ANode> isa TAttrid */
+cltype16 = type_parser_nodes__TAttrid.color;
+idtype17 = type_parser_nodes__TAttrid.id;
+if(var_new_child == NULL) {
+var15 = 0;
+} else {
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
+} else {
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
+}
+}
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TAttrid", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4081);
+show_backtrace(1);
+}
+{
+parser_prod__AAttrAssignExpr__n_id_61d(self, var_new_child); /* Direct call parser_prod#AAttrAssignExpr#n_id= on <self:AAttrAssignExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var19 = self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_assign].val; /* _n_assign on <self:AAttrAssignExpr> */
+if (unlikely(var19 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_assign");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4084);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:TAssign> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:TAssign> */
+var25 = var19 == var_other;
+var23 = var25;
+goto RET_LABEL24;
+RET_LABEL24:(void)0;
+}
+}
+var21 = var23;
+goto RET_LABEL22;
+RET_LABEL22:(void)0;
+}
+var20 = var21;
+}
+if (var20){
+/* <var_new_child:nullable ANode> isa TAssign */
+cltype27 = type_parser_nodes__TAssign.color;
+idtype28 = type_parser_nodes__TAssign.id;
+if(var_new_child == NULL) {
+var26 = 0;
 } else {
-if(cltype >= var_new_child->type->table_size) {
-var7 = 0;
+if(cltype27 >= var_new_child->type->table_size) {
+var26 = 0;
 } else {
-var7 = var_new_child->type->type_table[cltype] == idtype;
+var26 = var_new_child->type->type_table[cltype27] == idtype28;
 }
 }
-if (unlikely(!var7)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3951);
+if (unlikely(!var26)) {
+var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TAssign", var_class_name29);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4085);
 show_backtrace(1);
 }
 {
-parser_prod__AOrElseExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AOrElseExpr#n_expr= on <self:AOrElseExpr>*/
+parser_prod__AAttrAssignExpr__n_assign_61d(self, var_new_child); /* Direct call parser_prod#AAttrAssignExpr#n_assign= on <self:AAttrAssignExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr2].val; /* _n_expr2 on <self:AOrElseExpr> */
-if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3954);
+var30 = self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_value].val; /* _n_value on <self:AAttrAssignExpr> */
+if (unlikely(var30 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_value");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4088);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+{ /* Inline kernel#Object#== (var30,var_old_child) on <var30:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
-var14 = var8 == var_other;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var30,var_other) on <var30:AExpr> */
+var36 = var30 == var_other;
+var34 = var36;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
 }
 }
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
+var32 = var34;
+goto RET_LABEL33;
+RET_LABEL33:(void)0;
 }
-var9 = var10;
+var31 = var32;
 }
-if (var9){
+if (var31){
 /* <var_new_child:nullable ANode> isa AExpr */
-cltype16 = type_parser_nodes__AExpr.color;
-idtype17 = type_parser_nodes__AExpr.id;
+cltype38 = type_parser_nodes__AExpr.color;
+idtype39 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var15 = 0;
+var37 = 0;
 } else {
-if(cltype16 >= var_new_child->type->table_size) {
-var15 = 0;
+if(cltype38 >= var_new_child->type->table_size) {
+var37 = 0;
 } else {
-var15 = var_new_child->type->type_table[cltype16] == idtype17;
+var37 = var_new_child->type->type_table[cltype38] == idtype39;
 }
 }
-if (unlikely(!var15)) {
-var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3955);
+if (unlikely(!var37)) {
+var_class_name40 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name40);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4089);
 show_backtrace(1);
 }
 {
-parser_prod__AOrElseExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AOrElseExpr#n_expr2= on <self:AOrElseExpr>*/
+parser_prod__AAttrAssignExpr__n_value_61d(self, var_new_child); /* Direct call parser_prod#AAttrAssignExpr#n_value= on <self:AAttrAssignExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOrElseExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AOrElseExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AOrElseExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AOrElseExpr#replace_child on <self:Object(AOrElseExpr)>*/
+/* method parser_prod#AAttrAssignExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AAttrAssignExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AAttrAssignExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AAttrAssignExpr#replace_child on <self:Object(AAttrAssignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOrElseExpr#n_expr= for (self: AOrElseExpr, AExpr) */
-void parser_prod__AOrElseExpr__n_expr_61d(val* self, val* p0) {
+/* method parser_prod#AAttrAssignExpr#n_expr= for (self: AAttrAssignExpr, AExpr) */
+void parser_prod__AAttrAssignExpr__n_expr_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr].val = var_node; /* _n_expr on <self:AOrElseExpr> */
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val = var_node; /* _n_expr on <self:AAttrAssignExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -8822,16 +8107,52 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOrElseExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AOrElseExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AOrElseExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AOrElseExpr#n_expr= on <self:Object(AOrElseExpr)>*/
+/* method parser_prod#AAttrAssignExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AAttrAssignExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AAttrAssignExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AAttrAssignExpr#n_expr= on <self:Object(AAttrAssignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOrElseExpr#n_expr2= for (self: AOrElseExpr, AExpr) */
-void parser_prod__AOrElseExpr__n_expr2_61d(val* self, val* p0) {
+/* method parser_prod#AAttrAssignExpr#n_id= for (self: AAttrAssignExpr, TAttrid) */
+void parser_prod__AAttrAssignExpr__n_id_61d(val* self, val* p0) {
+val* var_node /* var node: TAttrid */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val = var_node; /* _n_id on <self:AAttrAssignExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TAttrid> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TAttrid> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AAttrAssignExpr#n_id= for (self: Object, TAttrid) */
+void VIRTUAL_parser_prod__AAttrAssignExpr__n_id_61d(val* self, val* p0) {
+parser_prod__AAttrAssignExpr__n_id_61d(self, p0); /* Direct call parser_prod#AAttrAssignExpr#n_id= on <self:Object(AAttrAssignExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AAttrAssignExpr#n_assign= for (self: AAttrAssignExpr, TAssign) */
+void parser_prod__AAttrAssignExpr__n_assign_61d(val* self, val* p0) {
+val* var_node /* var node: TAssign */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_assign].val = var_node; /* _n_assign on <self:AAttrAssignExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TAssign> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TAssign> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AAttrAssignExpr#n_assign= for (self: Object, TAssign) */
+void VIRTUAL_parser_prod__AAttrAssignExpr__n_assign_61d(val* self, val* p0) {
+parser_prod__AAttrAssignExpr__n_assign_61d(self, p0); /* Direct call parser_prod#AAttrAssignExpr#n_assign= on <self:Object(AAttrAssignExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AAttrAssignExpr#n_value= for (self: AAttrAssignExpr, AExpr) */
+void parser_prod__AAttrAssignExpr__n_value_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AOrElseExpr> */
+self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_value].val = var_node; /* _n_value on <self:AAttrAssignExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -8840,99 +8161,165 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AOrElseExpr#n_expr2= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AOrElseExpr__n_expr2_61d(val* self, val* p0) {
-parser_prod__AOrElseExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AOrElseExpr#n_expr2= on <self:Object(AOrElseExpr)>*/
+/* method parser_prod#AAttrAssignExpr#n_value= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AAttrAssignExpr__n_value_61d(val* self, val* p0) {
+parser_prod__AAttrAssignExpr__n_value_61d(self, p0); /* Direct call parser_prod#AAttrAssignExpr#n_value= on <self:Object(AAttrAssignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AOrElseExpr#visit_all for (self: AOrElseExpr, Visitor) */
-void parser_prod__AOrElseExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#AAttrAssignExpr#visit_all for (self: AAttrAssignExpr, Visitor) */
+void parser_prod__AAttrAssignExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
 val* var /* : AExpr */;
-val* var1 /* : AExpr */;
+val* var1 /* : TAttrid */;
+val* var2 /* : TAssign */;
+val* var3 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr].val; /* _n_expr on <self:AOrElseExpr> */
+var = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AAttrAssignExpr> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3974);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4118);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AOrElseExpr___n_expr2].val; /* _n_expr2 on <self:AOrElseExpr> */
+var1 = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val; /* _n_id on <self:AAttrAssignExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3975);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4119);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+var2 = self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_assign].val; /* _n_assign on <self:AAttrAssignExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_assign");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4120);
+show_backtrace(1);
+}
+{
+parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var3 = self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_value].val; /* _n_value on <self:AAttrAssignExpr> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_value");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4121);
+show_backtrace(1);
+}
+{
+parser_nodes__Visitor__enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
 RET_LABEL:;
 }
-/* method parser_prod#AOrElseExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AOrElseExpr__visit_all(val* self, val* p0) {
-parser_prod__AOrElseExpr__visit_all(self, p0); /* Direct call parser_prod#AOrElseExpr#visit_all on <self:Object(AOrElseExpr)>*/
+/* method parser_prod#AAttrAssignExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AAttrAssignExpr__visit_all(val* self, val* p0) {
+parser_prod__AAttrAssignExpr__visit_all(self, p0); /* Direct call parser_prod#AAttrAssignExpr#visit_all on <self:Object(AAttrAssignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AImpliesExpr#init_aimpliesexpr for (self: AImpliesExpr, nullable AExpr, nullable AExpr) */
-void parser_prod__AImpliesExpr__init_aimpliesexpr(val* self, val* p0, val* p1) {
+/* method parser_prod#AAttrReassignExpr#init_aattrreassignexpr for (self: AAttrReassignExpr, nullable AExpr, nullable TAttrid, nullable AAssignOp, nullable AExpr) */
+void parser_prod__AAttrReassignExpr__init_aattrreassignexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+val* var_n_id /* var n_id: nullable TAttrid */;
+val* var_n_assign_op /* var n_assign_op: nullable AAssignOp */;
+val* var_n_value /* var n_value: nullable AExpr */;
 var_n_expr = p0;
-var_n_expr2 = p1;
+var_n_id = p1;
+var_n_assign_op = p2;
+var_n_value = p3;
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3984);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4132);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AImpliesExpr> */
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AAttrReassignExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3985);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4133);
 show_backtrace(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
 var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-if (unlikely(var_n_expr2 == NULL)) {
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3986);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4134);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AImpliesExpr> */
-if (var_n_expr2 == NULL) {
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val = var_n_id; /* _n_id on <self:AAttrReassignExpr> */
+if (var_n_id == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3987);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4135);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
-if (unlikely(var_n_expr2 == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TAttrid> */
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TAttrid> */
 RET_LABEL2:(void)0;
 }
 }
+if (unlikely(var_n_assign_op == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4136);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AReassignFormExpr___n_assign_op].val = var_n_assign_op; /* _n_assign_op on <self:AAttrReassignExpr> */
+if (var_n_assign_op == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4137);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_assign_op,self) on <var_n_assign_op:nullable AAssignOp> */
+if (unlikely(var_n_assign_op == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_assign_op->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_assign_op:nullable AAssignOp> */
+RET_LABEL3:(void)0;
+}
+}
+if (unlikely(var_n_value == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4138);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AReassignFormExpr___n_value].val = var_n_value; /* _n_value on <self:AAttrReassignExpr> */
+if (var_n_value == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4139);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_value,self) on <var_n_value:nullable AExpr> */
+if (unlikely(var_n_value == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_value->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_value:nullable AExpr> */
+RET_LABEL4:(void)0;
+}
+}
 RET_LABEL:;
 }
-/* method parser_prod#AImpliesExpr#init_aimpliesexpr for (self: Object, nullable AExpr, nullable AExpr) */
-void VIRTUAL_parser_prod__AImpliesExpr__init_aimpliesexpr(val* self, val* p0, val* p1) {
-parser_prod__AImpliesExpr__init_aimpliesexpr(self, p0, p1); /* Direct call parser_prod#AImpliesExpr#init_aimpliesexpr on <self:Object(AImpliesExpr)>*/
+/* method parser_prod#AAttrReassignExpr#init_aattrreassignexpr for (self: Object, nullable AExpr, nullable TAttrid, nullable AAssignOp, nullable AExpr) */
+void VIRTUAL_parser_prod__AAttrReassignExpr__init_aattrreassignexpr(val* self, val* p0, val* p1, val* p2, val* p3) {
+parser_prod__AAttrReassignExpr__init_aattrreassignexpr(self, p0, p1, p2, p3); /* Direct call parser_prod#AAttrReassignExpr#init_aattrreassignexpr on <self:Object(AAttrReassignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AImpliesExpr#replace_child for (self: AImpliesExpr, ANode, nullable ANode) */
-void parser_prod__AImpliesExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#AAttrReassignExpr#replace_child for (self: AAttrReassignExpr, ANode, nullable ANode) */
+void parser_prod__AAttrReassignExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
 val* var /* : AExpr */;
@@ -8945,7 +8332,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : AExpr */;
+val* var8 /* : TAttrid */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -8954,12 +8341,30 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
+val* var19 /* : AAssignOp */;
+short int var20 /* : Bool */;
+short int var21 /* : Bool */;
+short int var23 /* : Bool */;
+short int var25 /* : Bool */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+const char* var_class_name29;
+val* var30 /* : AExpr */;
+short int var31 /* : Bool */;
+short int var32 /* : Bool */;
+short int var34 /* : Bool */;
+short int var36 /* : Bool */;
+short int var37 /* : Bool */;
+int cltype38;
+int idtype39;
+const char* var_class_name40;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr].val; /* _n_expr on <self:AImpliesExpr> */
+var = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AAttrReassignExpr> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3992);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4144);
 show_backtrace(1);
 }
 {
@@ -8989,81 +8394,177 @@ var7 = 0;
 if(cltype >= var_new_child->type->table_size) {
 var7 = 0;
 } else {
-var7 = var_new_child->type->type_table[cltype] == idtype;
+var7 = var_new_child->type->type_table[cltype] == idtype;
+}
+}
+if (unlikely(!var7)) {
+var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4145);
+show_backtrace(1);
+}
+{
+parser_prod__AAttrReassignExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AAttrReassignExpr#n_expr= on <self:AAttrReassignExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var8 = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val; /* _n_id on <self:AAttrReassignExpr> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4148);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:TAttrid> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:TAttrid> */
+var14 = var8 == var_other;
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
+}
+}
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
+}
+var9 = var10;
+}
+if (var9){
+/* <var_new_child:nullable ANode> isa TAttrid */
+cltype16 = type_parser_nodes__TAttrid.color;
+idtype17 = type_parser_nodes__TAttrid.id;
+if(var_new_child == NULL) {
+var15 = 0;
+} else {
+if(cltype16 >= var_new_child->type->table_size) {
+var15 = 0;
+} else {
+var15 = var_new_child->type->type_table[cltype16] == idtype17;
+}
+}
+if (unlikely(!var15)) {
+var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TAttrid", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4149);
+show_backtrace(1);
+}
+{
+parser_prod__AAttrReassignExpr__n_id_61d(self, var_new_child); /* Direct call parser_prod#AAttrReassignExpr#n_id= on <self:AAttrReassignExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var19 = self->attrs[COLOR_parser_nodes__AReassignFormExpr___n_assign_op].val; /* _n_assign_op on <self:AAttrReassignExpr> */
+if (unlikely(var19 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_assign_op");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4152);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:AAssignOp> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:AAssignOp> */
+var25 = var19 == var_other;
+var23 = var25;
+goto RET_LABEL24;
+RET_LABEL24:(void)0;
+}
+}
+var21 = var23;
+goto RET_LABEL22;
+RET_LABEL22:(void)0;
+}
+var20 = var21;
+}
+if (var20){
+/* <var_new_child:nullable ANode> isa AAssignOp */
+cltype27 = type_parser_nodes__AAssignOp.color;
+idtype28 = type_parser_nodes__AAssignOp.id;
+if(var_new_child == NULL) {
+var26 = 0;
+} else {
+if(cltype27 >= var_new_child->type->table_size) {
+var26 = 0;
+} else {
+var26 = var_new_child->type->type_table[cltype27] == idtype28;
 }
 }
-if (unlikely(!var7)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3993);
+if (unlikely(!var26)) {
+var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AAssignOp", var_class_name29);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4153);
 show_backtrace(1);
 }
 {
-parser_prod__AImpliesExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AImpliesExpr#n_expr= on <self:AImpliesExpr>*/
+parser_prod__AAttrReassignExpr__n_assign_op_61d(self, var_new_child); /* Direct call parser_prod#AAttrReassignExpr#n_assign_op= on <self:AAttrReassignExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr2].val; /* _n_expr2 on <self:AImpliesExpr> */
-if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3996);
+var30 = self->attrs[COLOR_parser_nodes__AReassignFormExpr___n_value].val; /* _n_value on <self:AAttrReassignExpr> */
+if (unlikely(var30 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_value");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4156);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+{ /* Inline kernel#Object#== (var30,var_old_child) on <var30:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
-var14 = var8 == var_other;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var30,var_other) on <var30:AExpr> */
+var36 = var30 == var_other;
+var34 = var36;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
 }
 }
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
+var32 = var34;
+goto RET_LABEL33;
+RET_LABEL33:(void)0;
 }
-var9 = var10;
+var31 = var32;
 }
-if (var9){
+if (var31){
 /* <var_new_child:nullable ANode> isa AExpr */
-cltype16 = type_parser_nodes__AExpr.color;
-idtype17 = type_parser_nodes__AExpr.id;
+cltype38 = type_parser_nodes__AExpr.color;
+idtype39 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var15 = 0;
+var37 = 0;
 } else {
-if(cltype16 >= var_new_child->type->table_size) {
-var15 = 0;
+if(cltype38 >= var_new_child->type->table_size) {
+var37 = 0;
 } else {
-var15 = var_new_child->type->type_table[cltype16] == idtype17;
+var37 = var_new_child->type->type_table[cltype38] == idtype39;
 }
 }
-if (unlikely(!var15)) {
-var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 3997);
+if (unlikely(!var37)) {
+var_class_name40 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name40);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4157);
 show_backtrace(1);
 }
 {
-parser_prod__AImpliesExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AImpliesExpr#n_expr2= on <self:AImpliesExpr>*/
+parser_prod__AAttrReassignExpr__n_value_61d(self, var_new_child); /* Direct call parser_prod#AAttrReassignExpr#n_value= on <self:AAttrReassignExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#AImpliesExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AImpliesExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AImpliesExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AImpliesExpr#replace_child on <self:Object(AImpliesExpr)>*/
+/* method parser_prod#AAttrReassignExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__AAttrReassignExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__AAttrReassignExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AAttrReassignExpr#replace_child on <self:Object(AAttrReassignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AImpliesExpr#n_expr= for (self: AImpliesExpr, AExpr) */
-void parser_prod__AImpliesExpr__n_expr_61d(val* self, val* p0) {
+/* method parser_prod#AAttrReassignExpr#n_expr= for (self: AAttrReassignExpr, AExpr) */
+void parser_prod__AAttrReassignExpr__n_expr_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr].val = var_node; /* _n_expr on <self:AImpliesExpr> */
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val = var_node; /* _n_expr on <self:AAttrReassignExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -9072,16 +8573,52 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AImpliesExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AImpliesExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AImpliesExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AImpliesExpr#n_expr= on <self:Object(AImpliesExpr)>*/
+/* method parser_prod#AAttrReassignExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AAttrReassignExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__AAttrReassignExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AAttrReassignExpr#n_expr= on <self:Object(AAttrReassignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AImpliesExpr#n_expr2= for (self: AImpliesExpr, AExpr) */
-void parser_prod__AImpliesExpr__n_expr2_61d(val* self, val* p0) {
+/* method parser_prod#AAttrReassignExpr#n_id= for (self: AAttrReassignExpr, TAttrid) */
+void parser_prod__AAttrReassignExpr__n_id_61d(val* self, val* p0) {
+val* var_node /* var node: TAttrid */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val = var_node; /* _n_id on <self:AAttrReassignExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TAttrid> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TAttrid> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AAttrReassignExpr#n_id= for (self: Object, TAttrid) */
+void VIRTUAL_parser_prod__AAttrReassignExpr__n_id_61d(val* self, val* p0) {
+parser_prod__AAttrReassignExpr__n_id_61d(self, p0); /* Direct call parser_prod#AAttrReassignExpr#n_id= on <self:Object(AAttrReassignExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AAttrReassignExpr#n_assign_op= for (self: AAttrReassignExpr, AAssignOp) */
+void parser_prod__AAttrReassignExpr__n_assign_op_61d(val* self, val* p0) {
+val* var_node /* var node: AAssignOp */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AReassignFormExpr___n_assign_op].val = var_node; /* _n_assign_op on <self:AAttrReassignExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AAssignOp> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AAssignOp> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#AAttrReassignExpr#n_assign_op= for (self: Object, AAssignOp) */
+void VIRTUAL_parser_prod__AAttrReassignExpr__n_assign_op_61d(val* self, val* p0) {
+parser_prod__AAttrReassignExpr__n_assign_op_61d(self, p0); /* Direct call parser_prod#AAttrReassignExpr#n_assign_op= on <self:Object(AAttrReassignExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#AAttrReassignExpr#n_value= for (self: AAttrReassignExpr, AExpr) */
+void parser_prod__AAttrReassignExpr__n_value_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AImpliesExpr> */
+self->attrs[COLOR_parser_nodes__AReassignFormExpr___n_value].val = var_node; /* _n_value on <self:AAttrReassignExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -9090,102 +8627,145 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#AImpliesExpr#n_expr2= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AImpliesExpr__n_expr2_61d(val* self, val* p0) {
-parser_prod__AImpliesExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AImpliesExpr#n_expr2= on <self:Object(AImpliesExpr)>*/
+/* method parser_prod#AAttrReassignExpr#n_value= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__AAttrReassignExpr__n_value_61d(val* self, val* p0) {
+parser_prod__AAttrReassignExpr__n_value_61d(self, p0); /* Direct call parser_prod#AAttrReassignExpr#n_value= on <self:Object(AAttrReassignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AImpliesExpr#visit_all for (self: AImpliesExpr, Visitor) */
-void parser_prod__AImpliesExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#AAttrReassignExpr#visit_all for (self: AAttrReassignExpr, Visitor) */
+void parser_prod__AAttrReassignExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
 val* var /* : AExpr */;
-val* var1 /* : AExpr */;
+val* var1 /* : TAttrid */;
+val* var2 /* : AAssignOp */;
+val* var3 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr].val; /* _n_expr on <self:AImpliesExpr> */
+var = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_expr].val; /* _n_expr on <self:AAttrReassignExpr> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4016);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4186);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__AImpliesExpr___n_expr2].val; /* _n_expr2 on <self:AImpliesExpr> */
+var1 = self->attrs[COLOR_parser_nodes__AAttrFormExpr___n_id].val; /* _n_id on <self:AAttrReassignExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4017);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4187);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+var2 = self->attrs[COLOR_parser_nodes__AReassignFormExpr___n_assign_op].val; /* _n_assign_op on <self:AAttrReassignExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_assign_op");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4188);
+show_backtrace(1);
+}
+{
+parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var3 = self->attrs[COLOR_parser_nodes__AReassignFormExpr___n_value].val; /* _n_value on <self:AAttrReassignExpr> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_value");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4189);
+show_backtrace(1);
+}
+{
+parser_nodes__Visitor__enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
 RET_LABEL:;
 }
-/* method parser_prod#AImpliesExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AImpliesExpr__visit_all(val* self, val* p0) {
-parser_prod__AImpliesExpr__visit_all(self, p0); /* Direct call parser_prod#AImpliesExpr#visit_all on <self:Object(AImpliesExpr)>*/
+/* method parser_prod#AAttrReassignExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__AAttrReassignExpr__visit_all(val* self, val* p0) {
+parser_prod__AAttrReassignExpr__visit_all(self, p0); /* Direct call parser_prod#AAttrReassignExpr#visit_all on <self:Object(AAttrReassignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ANotExpr#init_anotexpr for (self: ANotExpr, nullable TKwnot, nullable AExpr) */
-void parser_prod__ANotExpr__init_anotexpr(val* self, val* p0, val* p1) {
-val* var_n_kwnot /* var n_kwnot: nullable TKwnot */;
+/* method parser_prod#ACallExpr#init_acallexpr for (self: ACallExpr, nullable AExpr, nullable TId, nullable AExprs) */
+void parser_prod__ACallExpr__init_acallexpr(val* self, val* p0, val* p1, val* p2) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-var_n_kwnot = p0;
-var_n_expr = p1;
-if (unlikely(var_n_kwnot == NULL)) {
+val* var_n_id /* var n_id: nullable TId */;
+val* var_n_args /* var n_args: nullable AExprs */;
+var_n_expr = p0;
+var_n_id = p1;
+var_n_args = p2;
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4026);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4199);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__ANotExpr___n_kwnot].val = var_n_kwnot; /* _n_kwnot on <self:ANotExpr> */
-if (var_n_kwnot == NULL) {
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ACallExpr> */
+if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4027);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4200);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_kwnot,self) on <var_n_kwnot:nullable TKwnot> */
-if (unlikely(var_n_kwnot == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
+if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_kwnot->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_kwnot:nullable TKwnot> */
+var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-if (unlikely(var_n_expr == NULL)) {
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4028);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4201);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__ANotExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ANotExpr> */
-if (var_n_expr == NULL) {
+self->attrs[COLOR_parser_nodes__ACallFormExpr___n_id].val = var_n_id; /* _n_id on <self:ACallExpr> */
+if (var_n_id == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4029);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4202);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
-if (unlikely(var_n_expr == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId> */
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
+var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId> */
 RET_LABEL2:(void)0;
 }
 }
+if (unlikely(var_n_args == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4203);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ACallFormExpr___n_args].val = var_n_args; /* _n_args on <self:ACallExpr> */
+if (var_n_args == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4204);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_args,self) on <var_n_args:nullable AExprs> */
+if (unlikely(var_n_args == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_args->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_args:nullable AExprs> */
+RET_LABEL3:(void)0;
+}
+}
 RET_LABEL:;
 }
-/* method parser_prod#ANotExpr#init_anotexpr for (self: Object, nullable TKwnot, nullable AExpr) */
-void VIRTUAL_parser_prod__ANotExpr__init_anotexpr(val* self, val* p0, val* p1) {
-parser_prod__ANotExpr__init_anotexpr(self, p0, p1); /* Direct call parser_prod#ANotExpr#init_anotexpr on <self:Object(ANotExpr)>*/
+/* method parser_prod#ACallExpr#init_acallexpr for (self: Object, nullable AExpr, nullable TId, nullable AExprs) */
+void VIRTUAL_parser_prod__ACallExpr__init_acallexpr(val* self, val* p0, val* p1, val* p2) {
+parser_prod__ACallExpr__init_acallexpr(self, p0, p1, p2); /* Direct call parser_prod#ACallExpr#init_acallexpr on <self:Object(ACallExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ANotExpr#replace_child for (self: ANotExpr, ANode, nullable ANode) */
-void parser_prod__ANotExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ACallExpr#replace_child for (self: ACallExpr, ANode, nullable ANode) */
+void parser_prod__ACallExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : TKwnot */;
+val* var /* : AExpr */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
 val* var_other /* var other: nullable Object */;
@@ -9195,7 +8775,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : AExpr */;
+val* var8 /* : TId */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -9204,19 +8784,28 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
+val* var19 /* : AExprs */;
+short int var20 /* : Bool */;
+short int var21 /* : Bool */;
+short int var23 /* : Bool */;
+short int var25 /* : Bool */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+const char* var_class_name29;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__ANotExpr___n_kwnot].val; /* _n_kwnot on <self:ANotExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ACallExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnot");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4034);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4209);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:TKwnot> */
+{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:TKwnot> */
+{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
 var6 = var == var_other;
 var4 = var6;
 goto RET_LABEL5;
@@ -9230,9 +8819,9 @@ RET_LABEL3:(void)0;
 var1 = var2;
 }
 if (var1){
-/* <var_new_child:nullable ANode> isa TKwnot */
-cltype = type_parser_nodes__TKwnot.color;
-idtype = type_parser_nodes__TKwnot.id;
+/* <var_new_child:nullable ANode> isa AExpr */
+cltype = type_parser_nodes__AExpr.color;
+idtype = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
 var7 = 0;
 } else {
@@ -9244,27 +8833,27 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 }
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TKwnot", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4035);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4210);
 show_backtrace(1);
 }
 {
-parser_prod__ANotExpr__n_kwnot_61d(self, var_new_child); /* Direct call parser_prod#ANotExpr#n_kwnot= on <self:ANotExpr>*/
+parser_prod__ACallExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#ACallExpr#n_expr= on <self:ACallExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__ANotExpr___n_expr].val; /* _n_expr on <self:ANotExpr> */
+var8 = self->attrs[COLOR_parser_nodes__ACallFormExpr___n_id].val; /* _n_id on <self:ACallExpr> */
 if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4038);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4213);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:TId> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:TId> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -9278,9 +8867,9 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype16 = type_parser_nodes__AExpr.color;
-idtype17 = type_parser_nodes__AExpr.id;
+/* <var_new_child:nullable ANode> isa TId */
+cltype16 = type_parser_nodes__TId.color;
+idtype17 = type_parser_nodes__TId.id;
 if(var_new_child == NULL) {
 var15 = 0;
 } else {
@@ -9292,147 +8881,292 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4039);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TId", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4214);
 show_backtrace(1);
 }
 {
-parser_prod__ANotExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#ANotExpr#n_expr= on <self:ANotExpr>*/
+parser_prod__ACallExpr__n_id_61d(self, var_new_child); /* Direct call parser_prod#ACallExpr#n_id= on <self:ACallExpr>*/
+}
+goto RET_LABEL;
+} else {
+}
+var19 = self->attrs[COLOR_parser_nodes__ACallFormExpr___n_args].val; /* _n_args on <self:ACallExpr> */
+if (unlikely(var19 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_args");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4217);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:AExprs> */
+var_other = var_old_child;
+{
+{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:AExprs> */
+var25 = var19 == var_other;
+var23 = var25;
+goto RET_LABEL24;
+RET_LABEL24:(void)0;
+}
+}
+var21 = var23;
+goto RET_LABEL22;
+RET_LABEL22:(void)0;
+}
+var20 = var21;
+}
+if (var20){
+/* <var_new_child:nullable ANode> isa AExprs */
+cltype27 = type_parser_nodes__AExprs.color;
+idtype28 = type_parser_nodes__AExprs.id;
+if(var_new_child == NULL) {
+var26 = 0;
+} else {
+if(cltype27 >= var_new_child->type->table_size) {
+var26 = 0;
+} else {
+var26 = var_new_child->type->type_table[cltype27] == idtype28;
+}
+}
+if (unlikely(!var26)) {
+var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExprs", var_class_name29);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4218);
+show_backtrace(1);
+}
+{
+parser_prod__ACallExpr__n_args_61d(self, var_new_child); /* Direct call parser_prod#ACallExpr#n_args= on <self:ACallExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANotExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__ANotExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__ANotExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ANotExpr#replace_child on <self:Object(ANotExpr)>*/
+/* method parser_prod#ACallExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__ACallExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__ACallExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ACallExpr#replace_child on <self:Object(ACallExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ANotExpr#n_kwnot= for (self: ANotExpr, TKwnot) */
-void parser_prod__ANotExpr__n_kwnot_61d(val* self, val* p0) {
-val* var_node /* var node: TKwnot */;
+/* method parser_prod#ACallExpr#n_expr= for (self: ACallExpr, AExpr) */
+void parser_prod__ACallExpr__n_expr_61d(val* self, val* p0) {
+val* var_node /* var node: AExpr */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:ACallExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#ACallExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ACallExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__ACallExpr__n_expr_61d(self, p0); /* Direct call parser_prod#ACallExpr#n_expr= on <self:Object(ACallExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#ACallExpr#n_id= for (self: ACallExpr, TId) */
+void parser_prod__ACallExpr__n_id_61d(val* self, val* p0) {
+val* var_node /* var node: TId */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ANotExpr___n_kwnot].val = var_node; /* _n_kwnot on <self:ANotExpr> */
+self->attrs[COLOR_parser_nodes__ACallFormExpr___n_id].val = var_node; /* _n_id on <self:ACallExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TKwnot> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TKwnot> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TId> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TId> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANotExpr#n_kwnot= for (self: Object, TKwnot) */
-void VIRTUAL_parser_prod__ANotExpr__n_kwnot_61d(val* self, val* p0) {
-parser_prod__ANotExpr__n_kwnot_61d(self, p0); /* Direct call parser_prod#ANotExpr#n_kwnot= on <self:Object(ANotExpr)>*/
+/* method parser_prod#ACallExpr#n_id= for (self: Object, TId) */
+void VIRTUAL_parser_prod__ACallExpr__n_id_61d(val* self, val* p0) {
+parser_prod__ACallExpr__n_id_61d(self, p0); /* Direct call parser_prod#ACallExpr#n_id= on <self:Object(ACallExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ANotExpr#n_expr= for (self: ANotExpr, AExpr) */
-void parser_prod__ANotExpr__n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
+/* method parser_prod#ACallExpr#n_args= for (self: ACallExpr, AExprs) */
+void parser_prod__ACallExpr__n_args_61d(val* self, val* p0) {
+val* var_node /* var node: AExprs */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ANotExpr___n_expr].val = var_node; /* _n_expr on <self:ANotExpr> */
+self->attrs[COLOR_parser_nodes__ACallFormExpr___n_args].val = var_node; /* _n_args on <self:ACallExpr> */
 {
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExprs> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExprs> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANotExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__ANotExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__ANotExpr__n_expr_61d(self, p0); /* Direct call parser_prod#ANotExpr#n_expr= on <self:Object(ANotExpr)>*/
+/* method parser_prod#ACallExpr#n_args= for (self: Object, AExprs) */
+void VIRTUAL_parser_prod__ACallExpr__n_args_61d(val* self, val* p0) {
+parser_prod__ACallExpr__n_args_61d(self, p0); /* Direct call parser_prod#ACallExpr#n_args= on <self:Object(ACallExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ANotExpr#visit_all for (self: ANotExpr, Visitor) */
-void parser_prod__ANotExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#ACallExpr#visit_all for (self: ACallExpr, Visitor) */
+void parser_prod__ACallExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
-val* var /* : TKwnot */;
-val* var1 /* : AExpr */;
+val* var /* : AExpr */;
+val* var1 /* : TId */;
+val* var2 /* : AExprs */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__ANotExpr___n_kwnot].val; /* _n_kwnot on <self:ANotExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ACallExpr> */
 if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_kwnot");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4058);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4242);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__ANotExpr___n_expr].val; /* _n_expr on <self:ANotExpr> */
+var1 = self->attrs[COLOR_parser_nodes__ACallFormExpr___n_id].val; /* _n_id on <self:ACallExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4059);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4243);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+var2 = self->attrs[COLOR_parser_nodes__ACallFormExpr___n_args].val; /* _n_args on <self:ACallExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_args");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4244);
+show_backtrace(1);
+}
+{
+parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
 RET_LABEL:;
 }
-/* method parser_prod#ANotExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__ANotExpr__visit_all(val* self, val* p0) {
-parser_prod__ANotExpr__visit_all(self, p0); /* Direct call parser_prod#ANotExpr#visit_all on <self:Object(ANotExpr)>*/
+/* method parser_prod#ACallExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__ACallExpr__visit_all(val* self, val* p0) {
+parser_prod__ACallExpr__visit_all(self, p0); /* Direct call parser_prod#ACallExpr#visit_all on <self:Object(ACallExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AEqExpr#init_aeqexpr for (self: AEqExpr, nullable AExpr, nullable AExpr) */
-void parser_prod__AEqExpr__init_aeqexpr(val* self, val* p0, val* p1) {
+/* method parser_prod#ACallAssignExpr#init_acallassignexpr for (self: ACallAssignExpr, nullable AExpr, nullable TId, nullable AExprs, nullable TAssign, nullable AExpr) */
+void parser_prod__ACallAssignExpr__init_acallassignexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+val* var_n_id /* var n_id: nullable TId */;
+val* var_n_args /* var n_args: nullable AExprs */;
+val* var_n_assign /* var n_assign: nullable TAssign */;
+val* var_n_value /* var n_value: nullable AExpr */;
 var_n_expr = p0;
-var_n_expr2 = p1;
+var_n_id = p1;
+var_n_args = p2;
+var_n_assign = p3;
+var_n_value = p4;
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4068);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4256);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:AEqExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ACallAssignExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4069);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4257);
 show_backtrace(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
 var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-if (unlikely(var_n_expr2 == NULL)) {
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4070);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4258);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:AEqExpr> */
-if (var_n_expr2 == NULL) {
+self->attrs[COLOR_parser_nodes__ACallFormExpr___n_id].val = var_n_id; /* _n_id on <self:ACallAssignExpr> */
+if (var_n_id == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4071);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4259);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
-if (unlikely(var_n_expr2 == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId> */
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId> */
 RET_LABEL2:(void)0;
 }
 }
+if (unlikely(var_n_args == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4260);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ACallFormExpr___n_args].val = var_n_args; /* _n_args on <self:ACallAssignExpr> */
+if (var_n_args == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4261);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_args,self) on <var_n_args:nullable AExprs> */
+if (unlikely(var_n_args == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_args->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_args:nullable AExprs> */
+RET_LABEL3:(void)0;
+}
+}
+if (unlikely(var_n_assign == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4262);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_assign].val = var_n_assign; /* _n_assign on <self:ACallAssignExpr> */
+if (var_n_assign == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4263);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_assign,self) on <var_n_assign:nullable TAssign> */
+if (unlikely(var_n_assign == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_assign->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_assign:nullable TAssign> */
+RET_LABEL4:(void)0;
+}
+}
+if (unlikely(var_n_value == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4264);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_value].val = var_n_value; /* _n_value on <self:ACallAssignExpr> */
+if (var_n_value == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4265);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_value,self) on <var_n_value:nullable AExpr> */
+if (unlikely(var_n_value == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_value->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_value:nullable AExpr> */
+RET_LABEL5:(void)0;
+}
+}
 RET_LABEL:;
 }
-/* method parser_prod#AEqExpr#init_aeqexpr for (self: Object, nullable AExpr, nullable AExpr) */
-void VIRTUAL_parser_prod__AEqExpr__init_aeqexpr(val* self, val* p0, val* p1) {
-parser_prod__AEqExpr__init_aeqexpr(self, p0, p1); /* Direct call parser_prod#AEqExpr#init_aeqexpr on <self:Object(AEqExpr)>*/
+/* method parser_prod#ACallAssignExpr#init_acallassignexpr for (self: Object, nullable AExpr, nullable TId, nullable AExprs, nullable TAssign, nullable AExpr) */
+void VIRTUAL_parser_prod__ACallAssignExpr__init_acallassignexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4) {
+parser_prod__ACallAssignExpr__init_acallassignexpr(self, p0, p1, p2, p3, p4); /* Direct call parser_prod#ACallAssignExpr#init_acallassignexpr on <self:Object(ACallAssignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#AEqExpr#replace_child for (self: AEqExpr, ANode, nullable ANode) */
-void parser_prod__AEqExpr__replace_child(val* self, val* p0, val* p1) {
+/* method parser_prod#ACallAssignExpr#replace_child for (self: ACallAssignExpr, ANode, nullable ANode) */
+void parser_prod__ACallAssignExpr__replace_child(val* self, val* p0, val* p1) {
 val* var_old_child /* var old_child: ANode */;
 val* var_new_child /* var new_child: nullable ANode */;
 val* var /* : AExpr */;
@@ -9445,7 +9179,7 @@ short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-val* var8 /* : AExpr */;
+val* var8 /* : TId */;
 short int var9 /* : Bool */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -9454,12 +9188,39 @@ short int var15 /* : Bool */;
 int cltype16;
 int idtype17;
 const char* var_class_name18;
+val* var19 /* : AExprs */;
+short int var20 /* : Bool */;
+short int var21 /* : Bool */;
+short int var23 /* : Bool */;
+short int var25 /* : Bool */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+const char* var_class_name29;
+val* var30 /* : TAssign */;
+short int var31 /* : Bool */;
+short int var32 /* : Bool */;
+short int var34 /* : Bool */;
+short int var36 /* : Bool */;
+short int var37 /* : Bool */;
+int cltype38;
+int idtype39;
+const char* var_class_name40;
+val* var41 /* : AExpr */;
+short int var42 /* : Bool */;
+short int var43 /* : Bool */;
+short int var45 /* : Bool */;
+short int var47 /* : Bool */;
+short int var48 /* : Bool */;
+int cltype49;
+int idtype50;
+const char* var_class_name51;
 var_old_child = p0;
 var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AEqExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ACallAssignExpr> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4076);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4270);
 show_backtrace(1);
 }
 {
@@ -9495,26 +9256,26 @@ var7 = var_new_child->type->type_table[cltype] == idtype;
 if (unlikely(!var7)) {
 var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4077);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4271);
 show_backtrace(1);
 }
 {
-parser_prod__AEqExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#AEqExpr#n_expr= on <self:AEqExpr>*/
+parser_prod__ACallAssignExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#ACallAssignExpr#n_expr= on <self:ACallAssignExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AEqExpr> */
+var8 = self->attrs[COLOR_parser_nodes__ACallFormExpr___n_id].val; /* _n_id on <self:ACallAssignExpr> */
 if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4080);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4274);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:TId> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
+{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:TId> */
 var14 = var8 == var_other;
 var12 = var14;
 goto RET_LABEL13;
@@ -9528,9 +9289,9 @@ RET_LABEL11:(void)0;
 var9 = var10;
 }
 if (var9){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype16 = type_parser_nodes__AExpr.color;
-idtype17 = type_parser_nodes__AExpr.id;
+/* <var_new_child:nullable ANode> isa TId */
+cltype16 = type_parser_nodes__TId.color;
+idtype17 = type_parser_nodes__TId.id;
 if(var_new_child == NULL) {
 var15 = 0;
 } else {
@@ -9542,278 +9303,172 @@ var15 = var_new_child->type->type_table[cltype16] == idtype17;
 }
 if (unlikely(!var15)) {
 var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4081);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TId", var_class_name18);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4275);
 show_backtrace(1);
 }
 {
-parser_prod__AEqExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#AEqExpr#n_expr2= on <self:AEqExpr>*/
+parser_prod__ACallAssignExpr__n_id_61d(self, var_new_child); /* Direct call parser_prod#ACallAssignExpr#n_id= on <self:ACallAssignExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-RET_LABEL:;
-}
-/* method parser_prod#AEqExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__AEqExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__AEqExpr__replace_child(self, p0, p1); /* Direct call parser_prod#AEqExpr#replace_child on <self:Object(AEqExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AEqExpr#n_expr= for (self: AEqExpr, AExpr) */
-void parser_prod__AEqExpr__n_expr_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:AEqExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AEqExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AEqExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__AEqExpr__n_expr_61d(self, p0); /* Direct call parser_prod#AEqExpr#n_expr= on <self:Object(AEqExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AEqExpr#n_expr2= for (self: AEqExpr, AExpr) */
-void parser_prod__AEqExpr__n_expr2_61d(val* self, val* p0) {
-val* var_node /* var node: AExpr */;
-var_node = p0;
-self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:AEqExpr> */
-{
-{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
-var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
-RET_LABEL1:(void)0;
-}
-}
-RET_LABEL:;
-}
-/* method parser_prod#AEqExpr#n_expr2= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__AEqExpr__n_expr2_61d(val* self, val* p0) {
-parser_prod__AEqExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#AEqExpr#n_expr2= on <self:Object(AEqExpr)>*/
-RET_LABEL:;
-}
-/* method parser_prod#AEqExpr#visit_all for (self: AEqExpr, Visitor) */
-void parser_prod__AEqExpr__visit_all(val* self, val* p0) {
-val* var_v /* var v: Visitor */;
-val* var /* : AExpr */;
-val* var1 /* : AExpr */;
-var_v = p0;
-var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:AEqExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4100);
+var19 = self->attrs[COLOR_parser_nodes__ACallFormExpr___n_args].val; /* _n_args on <self:ACallAssignExpr> */
+if (unlikely(var19 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_args");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4278);
 show_backtrace(1);
 }
 {
-parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
-}
-var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:AEqExpr> */
-if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4101);
-show_backtrace(1);
-}
+{ /* Inline kernel#Object#== (var19,var_old_child) on <var19:AExprs> */
+var_other = var_old_child;
 {
-parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+{ /* Inline kernel#Object#is_same_instance (var19,var_other) on <var19:AExprs> */
+var25 = var19 == var_other;
+var23 = var25;
+goto RET_LABEL24;
+RET_LABEL24:(void)0;
 }
-RET_LABEL:;
 }
-/* method parser_prod#AEqExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__AEqExpr__visit_all(val* self, val* p0) {
-parser_prod__AEqExpr__visit_all(self, p0); /* Direct call parser_prod#AEqExpr#visit_all on <self:Object(AEqExpr)>*/
-RET_LABEL:;
+var21 = var23;
+goto RET_LABEL22;
+RET_LABEL22:(void)0;
 }
-/* method parser_prod#ANeExpr#init_aneexpr for (self: ANeExpr, nullable AExpr, nullable AExpr) */
-void parser_prod__ANeExpr__init_aneexpr(val* self, val* p0, val* p1) {
-val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_expr2 /* var n_expr2: nullable AExpr */;
-var_n_expr = p0;
-var_n_expr2 = p1;
-if (unlikely(var_n_expr == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4110);
-show_backtrace(1);
+var20 = var21;
 }
-self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ANeExpr> */
-if (var_n_expr == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4111);
-show_backtrace(1);
+if (var20){
+/* <var_new_child:nullable ANode> isa AExprs */
+cltype27 = type_parser_nodes__AExprs.color;
+idtype28 = type_parser_nodes__AExprs.id;
+if(var_new_child == NULL) {
+var26 = 0;
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
-if (unlikely(var_n_expr == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
-show_backtrace(1);
-}
-var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
-RET_LABEL1:(void)0;
-}
-}
-if (unlikely(var_n_expr2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4112);
-show_backtrace(1);
-}
-self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:ANeExpr> */
-if (var_n_expr2 == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4113);
-show_backtrace(1);
+if(cltype27 >= var_new_child->type->table_size) {
+var26 = 0;
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
-if (unlikely(var_n_expr2 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
-show_backtrace(1);
+var26 = var_new_child->type->type_table[cltype27] == idtype28;
 }
-var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
-RET_LABEL2:(void)0;
 }
+if (unlikely(!var26)) {
+var_class_name29 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExprs", var_class_name29);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4279);
+show_backtrace(1);
 }
-RET_LABEL:;
+{
+parser_prod__ACallAssignExpr__n_args_61d(self, var_new_child); /* Direct call parser_prod#ACallAssignExpr#n_args= on <self:ACallAssignExpr>*/
 }
-/* method parser_prod#ANeExpr#init_aneexpr for (self: Object, nullable AExpr, nullable AExpr) */
-void VIRTUAL_parser_prod__ANeExpr__init_aneexpr(val* self, val* p0, val* p1) {
-parser_prod__ANeExpr__init_aneexpr(self, p0, p1); /* Direct call parser_prod#ANeExpr#init_aneexpr on <self:Object(ANeExpr)>*/
-RET_LABEL:;
+goto RET_LABEL;
+} else {
 }
-/* method parser_prod#ANeExpr#replace_child for (self: ANeExpr, ANode, nullable ANode) */
-void parser_prod__ANeExpr__replace_child(val* self, val* p0, val* p1) {
-val* var_old_child /* var old_child: ANode */;
-val* var_new_child /* var new_child: nullable ANode */;
-val* var /* : AExpr */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var4 /* : Bool */;
-short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-val* var8 /* : AExpr */;
-short int var9 /* : Bool */;
-short int var10 /* : Bool */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-short int var15 /* : Bool */;
-int cltype16;
-int idtype17;
-const char* var_class_name18;
-var_old_child = p0;
-var_new_child = p1;
-var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ANeExpr> */
-if (unlikely(var == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4118);
+var30 = self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_assign].val; /* _n_assign on <self:ACallAssignExpr> */
+if (unlikely(var30 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_assign");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4282);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var,var_old_child) on <var:AExpr> */
+{ /* Inline kernel#Object#== (var30,var_old_child) on <var30:TAssign> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var,var_other) on <var:AExpr> */
-var6 = var == var_other;
-var4 = var6;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var30,var_other) on <var30:TAssign> */
+var36 = var30 == var_other;
+var34 = var36;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
 }
 }
-var2 = var4;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+var32 = var34;
+goto RET_LABEL33;
+RET_LABEL33:(void)0;
 }
-var1 = var2;
+var31 = var32;
 }
-if (var1){
-/* <var_new_child:nullable ANode> isa AExpr */
-cltype = type_parser_nodes__AExpr.color;
-idtype = type_parser_nodes__AExpr.id;
+if (var31){
+/* <var_new_child:nullable ANode> isa TAssign */
+cltype38 = type_parser_nodes__TAssign.color;
+idtype39 = type_parser_nodes__TAssign.id;
 if(var_new_child == NULL) {
-var7 = 0;
+var37 = 0;
 } else {
-if(cltype >= var_new_child->type->table_size) {
-var7 = 0;
+if(cltype38 >= var_new_child->type->table_size) {
+var37 = 0;
 } else {
-var7 = var_new_child->type->type_table[cltype] == idtype;
+var37 = var_new_child->type->type_table[cltype38] == idtype39;
 }
 }
-if (unlikely(!var7)) {
-var_class_name = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4119);
+if (unlikely(!var37)) {
+var_class_name40 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "TAssign", var_class_name40);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4283);
 show_backtrace(1);
 }
 {
-parser_prod__ANeExpr__n_expr_61d(self, var_new_child); /* Direct call parser_prod#ANeExpr#n_expr= on <self:ANeExpr>*/
+parser_prod__ACallAssignExpr__n_assign_61d(self, var_new_child); /* Direct call parser_prod#ACallAssignExpr#n_assign= on <self:ACallAssignExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
-var8 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ANeExpr> */
-if (unlikely(var8 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4122);
+var41 = self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_value].val; /* _n_value on <self:ACallAssignExpr> */
+if (unlikely(var41 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_value");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4286);
 show_backtrace(1);
 }
 {
-{ /* Inline kernel#Object#== (var8,var_old_child) on <var8:AExpr> */
+{ /* Inline kernel#Object#== (var41,var_old_child) on <var41:AExpr> */
 var_other = var_old_child;
 {
-{ /* Inline kernel#Object#is_same_instance (var8,var_other) on <var8:AExpr> */
-var14 = var8 == var_other;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
+{ /* Inline kernel#Object#is_same_instance (var41,var_other) on <var41:AExpr> */
+var47 = var41 == var_other;
+var45 = var47;
+goto RET_LABEL46;
+RET_LABEL46:(void)0;
 }
 }
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
+var43 = var45;
+goto RET_LABEL44;
+RET_LABEL44:(void)0;
 }
-var9 = var10;
+var42 = var43;
 }
-if (var9){
+if (var42){
 /* <var_new_child:nullable ANode> isa AExpr */
-cltype16 = type_parser_nodes__AExpr.color;
-idtype17 = type_parser_nodes__AExpr.id;
+cltype49 = type_parser_nodes__AExpr.color;
+idtype50 = type_parser_nodes__AExpr.id;
 if(var_new_child == NULL) {
-var15 = 0;
+var48 = 0;
 } else {
-if(cltype16 >= var_new_child->type->table_size) {
-var15 = 0;
+if(cltype49 >= var_new_child->type->table_size) {
+var48 = 0;
 } else {
-var15 = var_new_child->type->type_table[cltype16] == idtype17;
+var48 = var_new_child->type->type_table[cltype49] == idtype50;
 }
 }
-if (unlikely(!var15)) {
-var_class_name18 = var_new_child == NULL ? "null" : var_new_child->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name18);
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4123);
+if (unlikely(!var48)) {
+var_class_name51 = var_new_child == NULL ? "null" : var_new_child->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "AExpr", var_class_name51);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4287);
 show_backtrace(1);
 }
 {
-parser_prod__ANeExpr__n_expr2_61d(self, var_new_child); /* Direct call parser_prod#ANeExpr#n_expr2= on <self:ANeExpr>*/
+parser_prod__ACallAssignExpr__n_value_61d(self, var_new_child); /* Direct call parser_prod#ACallAssignExpr#n_value= on <self:ACallAssignExpr>*/
 }
 goto RET_LABEL;
 } else {
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANeExpr#replace_child for (self: Object, ANode, nullable ANode) */
-void VIRTUAL_parser_prod__ANeExpr__replace_child(val* self, val* p0, val* p1) {
-parser_prod__ANeExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ANeExpr#replace_child on <self:Object(ANeExpr)>*/
+/* method parser_prod#ACallAssignExpr#replace_child for (self: Object, ANode, nullable ANode) */
+void VIRTUAL_parser_prod__ACallAssignExpr__replace_child(val* self, val* p0, val* p1) {
+parser_prod__ACallAssignExpr__replace_child(self, p0, p1); /* Direct call parser_prod#ACallAssignExpr#replace_child on <self:Object(ACallAssignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ANeExpr#n_expr= for (self: ANeExpr, AExpr) */
-void parser_prod__ANeExpr__n_expr_61d(val* self, val* p0) {
+/* method parser_prod#ACallAssignExpr#n_expr= for (self: ACallAssignExpr, AExpr) */
+void parser_prod__ACallAssignExpr__n_expr_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:ANeExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_node; /* _n_expr on <self:ACallAssignExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -9822,16 +9477,70 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANeExpr#n_expr= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__ANeExpr__n_expr_61d(val* self, val* p0) {
-parser_prod__ANeExpr__n_expr_61d(self, p0); /* Direct call parser_prod#ANeExpr#n_expr= on <self:Object(ANeExpr)>*/
+/* method parser_prod#ACallAssignExpr#n_expr= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ACallAssignExpr__n_expr_61d(val* self, val* p0) {
+parser_prod__ACallAssignExpr__n_expr_61d(self, p0); /* Direct call parser_prod#ACallAssignExpr#n_expr= on <self:Object(ACallAssignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ANeExpr#n_expr2= for (self: ANeExpr, AExpr) */
-void parser_prod__ANeExpr__n_expr2_61d(val* self, val* p0) {
+/* method parser_prod#ACallAssignExpr#n_id= for (self: ACallAssignExpr, TId) */
+void parser_prod__ACallAssignExpr__n_id_61d(val* self, val* p0) {
+val* var_node /* var node: TId */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ACallFormExpr___n_id].val = var_node; /* _n_id on <self:ACallAssignExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TId> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TId> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#ACallAssignExpr#n_id= for (self: Object, TId) */
+void VIRTUAL_parser_prod__ACallAssignExpr__n_id_61d(val* self, val* p0) {
+parser_prod__ACallAssignExpr__n_id_61d(self, p0); /* Direct call parser_prod#ACallAssignExpr#n_id= on <self:Object(ACallAssignExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#ACallAssignExpr#n_args= for (self: ACallAssignExpr, AExprs) */
+void parser_prod__ACallAssignExpr__n_args_61d(val* self, val* p0) {
+val* var_node /* var node: AExprs */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__ACallFormExpr___n_args].val = var_node; /* _n_args on <self:ACallAssignExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExprs> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExprs> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#ACallAssignExpr#n_args= for (self: Object, AExprs) */
+void VIRTUAL_parser_prod__ACallAssignExpr__n_args_61d(val* self, val* p0) {
+parser_prod__ACallAssignExpr__n_args_61d(self, p0); /* Direct call parser_prod#ACallAssignExpr#n_args= on <self:Object(ACallAssignExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#ACallAssignExpr#n_assign= for (self: ACallAssignExpr, TAssign) */
+void parser_prod__ACallAssignExpr__n_assign_61d(val* self, val* p0) {
+val* var_node /* var node: TAssign */;
+var_node = p0;
+self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_assign].val = var_node; /* _n_assign on <self:ACallAssignExpr> */
+{
+{ /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:TAssign> */
+var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:TAssign> */
+RET_LABEL1:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method parser_prod#ACallAssignExpr#n_assign= for (self: Object, TAssign) */
+void VIRTUAL_parser_prod__ACallAssignExpr__n_assign_61d(val* self, val* p0) {
+parser_prod__ACallAssignExpr__n_assign_61d(self, p0); /* Direct call parser_prod#ACallAssignExpr#n_assign= on <self:Object(ACallAssignExpr)>*/
+RET_LABEL:;
+}
+/* method parser_prod#ACallAssignExpr#n_value= for (self: ACallAssignExpr, AExpr) */
+void parser_prod__ACallAssignExpr__n_value_61d(val* self, val* p0) {
 val* var_node /* var node: AExpr */;
 var_node = p0;
-self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_node; /* _n_expr2 on <self:ANeExpr> */
+self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_value].val = var_node; /* _n_value on <self:ACallAssignExpr> */
 {
 { /* Inline parser_nodes#ANode#parent= (var_node,self) on <var_node:AExpr> */
 var_node->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_node:AExpr> */
@@ -9840,94 +9549,193 @@ RET_LABEL1:(void)0;
 }
 RET_LABEL:;
 }
-/* method parser_prod#ANeExpr#n_expr2= for (self: Object, AExpr) */
-void VIRTUAL_parser_prod__ANeExpr__n_expr2_61d(val* self, val* p0) {
-parser_prod__ANeExpr__n_expr2_61d(self, p0); /* Direct call parser_prod#ANeExpr#n_expr2= on <self:Object(ANeExpr)>*/
+/* method parser_prod#ACallAssignExpr#n_value= for (self: Object, AExpr) */
+void VIRTUAL_parser_prod__ACallAssignExpr__n_value_61d(val* self, val* p0) {
+parser_prod__ACallAssignExpr__n_value_61d(self, p0); /* Direct call parser_prod#ACallAssignExpr#n_value= on <self:Object(ACallAssignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ANeExpr#visit_all for (self: ANeExpr, Visitor) */
-void parser_prod__ANeExpr__visit_all(val* self, val* p0) {
+/* method parser_prod#ACallAssignExpr#visit_all for (self: ACallAssignExpr, Visitor) */
+void parser_prod__ACallAssignExpr__visit_all(val* self, val* p0) {
 val* var_v /* var v: Visitor */;
 val* var /* : AExpr */;
-val* var1 /* : AExpr */;
+val* var1 /* : TId */;
+val* var2 /* : AExprs */;
+val* var3 /* : TAssign */;
+val* var4 /* : AExpr */;
 var_v = p0;
-var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ANeExpr> */
+var = self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val; /* _n_expr on <self:ACallAssignExpr> */
 if (unlikely(var == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4142);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4321);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
-var1 = self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val; /* _n_expr2 on <self:ANeExpr> */
+var1 = self->attrs[COLOR_parser_nodes__ACallFormExpr___n_id].val; /* _n_id on <self:ACallAssignExpr> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_expr2");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4143);
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_id");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4322);
 show_backtrace(1);
 }
 {
 parser_nodes__Visitor__enter_visit(var_v, var1); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
 }
+var2 = self->attrs[COLOR_parser_nodes__ACallFormExpr___n_args].val; /* _n_args on <self:ACallAssignExpr> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_args");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4323);
+show_backtrace(1);
+}
+{
+parser_nodes__Visitor__enter_visit(var_v, var2); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var3 = self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_assign].val; /* _n_assign on <self:ACallAssignExpr> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_assign");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4324);
+show_backtrace(1);
+}
+{
+parser_nodes__Visitor__enter_visit(var_v, var3); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
+var4 = self->attrs[COLOR_parser_nodes__AAssignFormExpr___n_value].val; /* _n_value on <self:ACallAssignExpr> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _n_value");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4325);
+show_backtrace(1);
+}
+{
+parser_nodes__Visitor__enter_visit(var_v, var4); /* Direct call parser_nodes#Visitor#enter_visit on <var_v:Visitor>*/
+}
 RET_LABEL:;
 }
-/* method parser_prod#ANeExpr#visit_all for (self: Object, Visitor) */
-void VIRTUAL_parser_prod__ANeExpr__visit_all(val* self, val* p0) {
-parser_prod__ANeExpr__visit_all(self, p0); /* Direct call parser_prod#ANeExpr#visit_all on <self:Object(ANeExpr)>*/
+/* method parser_prod#ACallAssignExpr#visit_all for (self: Object, Visitor) */
+void VIRTUAL_parser_prod__ACallAssignExpr__visit_all(val* self, val* p0) {
+parser_prod__ACallAssignExpr__visit_all(self, p0); /* Direct call parser_prod#ACallAssignExpr#visit_all on <self:Object(ACallAssignExpr)>*/
 RET_LABEL:;
 }
-/* method parser_prod#ALtExpr#init_altexpr for (self: ALtExpr, nullable AExpr, nullable AExpr) */
-void parser_prod__ALtExpr__init_altexpr(val* self, val* p0, val* p1) {
+/* method parser_prod#ACallReassignExpr#init_acallreassignexpr for (self: ACallReassignExpr, nullable AExpr, nullable TId, nullable AExprs, nullable AAssignOp, nullable AExpr) */
+void parser_prod__ACallReassignExpr__init_acallreassignexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4) {
 val* var_n_expr /* var n_expr: nullable AExpr */;
-val* var_n_expr2 /* var n_expr2: nullable AExpr */;
+val* var_n_id /* var n_id: nullable TId */;
+val* var_n_args /* var n_args: nullable AExprs */;
+val* var_n_assign_op /* var n_assign_op: nullable AAssignOp */;
+val* var_n_value /* var n_value: nullable AExpr */;
 var_n_expr = p0;
-var_n_expr2 = p1;
+var_n_id = p1;
+var_n_args = p2;
+var_n_assign_op = p3;
+var_n_value = p4;
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4152);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4337);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ALtExpr> */
+self->attrs[COLOR_parser_nodes__ASendExpr___n_expr].val = var_n_expr; /* _n_expr on <self:ACallReassignExpr> */
 if (var_n_expr == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4153);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4338);
 show_backtrace(1);
 } else {
 { /* Inline parser_nodes#ANode#parent= (var_n_expr,self) on <var_n_expr:nullable AExpr> */
 if (unlikely(var_n_expr == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
 var_n_expr->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr:nullable AExpr> */
 RET_LABEL1:(void)0;
 }
 }
-if (unlikely(var_n_expr2 == NULL)) {
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4154);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4339);
 show_backtrace(1);
 }
-self->attrs[COLOR_parser_nodes__ABinopExpr___n_expr2].val = var_n_expr2; /* _n_expr2 on <self:ALtExpr> */
-if (var_n_expr2 == NULL) {
+self->attrs[COLOR_parser_nodes__ACallFormExpr___n_id].val = var_n_id; /* _n_id on <self:ACallReassignExpr> */
+if (var_n_id == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_prod.nit", 4155);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4340);
 show_backtrace(1);
 } else {
-{ /* Inline parser_nodes#ANode#parent= (var_n_expr2,self) on <var_n_expr2:nullable AExpr> */
-if (unlikely(var_n_expr2 == NULL)) {
+{ /* Inline parser_nodes#ANode#parent= (var_n_id,self) on <var_n_id:nullable TId> */
+if (unlikely(var_n_id == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", "src/parser/parser_nodes.nit", 38);
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
 show_backtrace(1);
 }
-var_n_expr2->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_expr2:nullable AExpr> */
+var_n_id->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_id:nullable TId> */
 RET_LABEL2:(void)0;
 }
 }
+if (unlikely(var_n_args == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4341);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__ACallFormExpr___n_args].val = var_n_args; /* _n_args on <self:ACallReassignExpr> */
+if (var_n_args == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4342);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_args,self) on <var_n_args:nullable AExprs> */
+if (unlikely(var_n_args == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_args->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_args:nullable AExprs> */
+RET_LABEL3:(void)0;
+}
+}
+if (unlikely(var_n_assign_op == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4343);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AReassignFormExpr___n_assign_op].val = var_n_assign_op; /* _n_assign_op on <self:ACallReassignExpr> */
+if (var_n_assign_op == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4344);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_assign_op,self) on <var_n_assign_op:nullable AAssignOp> */
+if (unlikely(var_n_assign_op == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_assign_op->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_assign_op:nullable AAssignOp> */
+RET_LABEL4:(void)0;
+}
+}
+if (unlikely(var_n_value == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4345);
+show_backtrace(1);
+}
+self->attrs[COLOR_parser_nodes__AReassignFormExpr___n_value].val = var_n_value; /* _n_value on <self:ACallReassignExpr> */
+if (var_n_value == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_prod.nit", 4346);
+show_backtrace(1);
+} else {
+{ /* Inline parser_nodes#ANode#parent= (var_n_value,self) on <var_n_value:nullable AExpr> */
+if (unlikely(var_n_value == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "parser/parser_nodes.nit", 36);
+show_backtrace(1);
+}
+var_n_value->attrs[COLOR_parser_nodes__ANode___parent].val = self; /* _parent on <var_n_value:nullable AExpr> */
+RET_LABEL5:(void)0;
+}
+}
 RET_LABEL:;
 }
-/* method parser_prod#ALtExpr#init_altexpr for (self: Object, nullable AExpr, nullable AExpr) */
-void VIRTUAL_parser_prod__ALtExpr__init_altexpr(val* self, val* p0, val* p1) {
-parser_prod__ALtExpr__init_altexpr(self, p0, p1); /* Direct call parser_prod#ALtExpr#init_altexpr on <self:Object(ALtExpr)>*/
+/* method parser_prod#ACallReassignExpr#init_acallreassignexpr for (self: Object, nullable AExpr, nullable TId, nullable AExprs, nullable AAssignOp, nullable AExpr) */
+void VIRTUAL_parser_prod__ACallReassignExpr__init_acallreassignexpr(val* self, val* p0, val* p1, val* p2, val* p3, val* p4) {
+parser_prod__ACallReassignExpr__init_acallreassignexpr(self, p0, p1, p2, p3, p4); /* Direct call parser_prod#ACallReassignExpr#init_acallreassignexpr on <self:Object(ACallReassignExpr)>*/
 RET_LABEL:;
 }