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

diff --git a/c_src/string.sep.1.c b/c_src/string.sep.1.c
index bf26b76..855e3b8 100644
--- a/c_src/string.sep.1.c
+++ b/c_src/string.sep.1.c
@@ -1,67 +1,118 @@
 #include "string.sep.0.h"
-/* method string#AbstractString#items for (self: AbstractString): NativeString */
-char* string__AbstractString__items(val* self) {
-char* var /* : NativeString */;
-char* var1 /* : NativeString */;
-var1 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:AbstractString> */
-var = var1;
+/* method string#Text#is_empty for (self: Text): Bool */
+short int string__Text__is_empty(val* self) {
+short int var /* : Bool */;
+long var1 /* : Int */;
+long var3 /* : Int */;
+long var4 /* : Int */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+short int var8 /* : Bool */;
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var3 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+var4 = 0;
+{
+{ /* Inline kernel#Int#== (var1,var4) on <var1:Int> */
+var8 = var1 == var4;
+var6 = var8;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
+}
+var5 = var6;
+}
+var = var5;
+goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#items for (self: Object): NativeString */
-char* VIRTUAL_string__AbstractString__items(val* self) {
-char* var /* : NativeString */;
-char* var1 /* : NativeString */;
-var1 = string__AbstractString__items(self);
+/* method string#Text#is_empty for (self: Object): Bool */
+short int VIRTUAL_string__Text__is_empty(val* self) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+var1 = string__Text__is_empty(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#[] for (self: AbstractString, Int): Char */
-char string__AbstractString___91d_93d(val* self, long p0) {
+/* method string#Text#last for (self: Text): Char */
+char string__Text__last(val* self) {
 char var /* : Char */;
-long var_index /* var index: Int */;
-char* var1 /* : NativeString */;
-char var2 /* : Char */;
-char var4 /* : Char */;
-var_index = p0;
-var1 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:AbstractString> */
-{ /* Inline string#NativeString#[] (var1,var_index) */
-var4 = var1[var_index];
+val* var1 /* : SequenceRead[Char] */;
+long var2 /* : Int */;
+long var4 /* : Int */;
+long var5 /* : Int */;
+long var6 /* : Int */;
+short int var8 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var9 /* : Int */;
+val* var10 /* : nullable Object */;
+char var11 /* : Char */;
+{
+var1 = ((val* (*)(val*))(self->class->vft[COLOR_string__Text__chars]))(self) /* chars on <self:Text>*/;
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var4 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
 var2 = var4;
-goto RET_LABEL3;
 RET_LABEL3:(void)0;
 }
-var = var2;
+}
+var5 = 1;
+{
+{ /* Inline kernel#Int#- (var2,var5) on <var2:Int> */
+/* Covariant cast for argument 0 (i) <var5:Int> isa OTHER */
+/* <var5:Int> isa OTHER */
+var8 = 1; /* easy <var5:Int> isa OTHER*/
+if (unlikely(!var8)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 377);
+show_backtrace(1);
+}
+var9 = var2 - var5;
+var6 = var9;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
+}
+}
+{
+var10 = ((val* (*)(val*, long))(var1->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var1, var6) /* [] on <var1:SequenceRead[Char]>*/;
+}
+var11 = ((struct instance_kernel__Char*)var10)->value; /* autounbox from nullable Object to Char */;
+var = var11;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#[] for (self: Object, Int): nullable Object */
-val* VIRTUAL_string__AbstractString___91d_93d(val* self, long p0) {
-val* var /* : nullable Object */;
+/* method string#Text#last for (self: Object): Char */
+char VIRTUAL_string__Text__last(val* self) {
+char var /* : Char */;
 char var1 /* : Char */;
-val* var2 /* : nullable Object */;
-var1 = string__AbstractString___91d_93d(self, p0);
-var2 = BOX_kernel__Char(var1); /* autobox from Char to nullable Object */
-var = var2;
+var1 = string__Text__last(self);
+var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#substring for (self: AbstractString, Int, Int): String */
-val* string__AbstractString__substring(val* self, long p0, long p1) {
-val* var /* : String */;
+/* method string#Text#substring_from for (self: Text, Int): Text */
+val* string__Text__substring_from(val* self, long p0) {
+val* var /* : Text */;
 long var_from /* var from: Int */;
-long var_count /* var count: Int */;
 long var1 /* : Int */;
-short int var2 /* : Bool */;
+long var3 /* : Int */;
 short int var4 /* : Bool */;
+short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var5 /* : Bool */;
-long var6 /* : Int */;
-long var8 /* : Int */;
+short int var7 /* : Bool */;
+val* var8 /* : Text */;
 long var9 /* : Int */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
@@ -71,81 +122,57 @@ const char* var_class_name15;
 short int var16 /* : Bool */;
 long var17 /* : Int */;
 long var18 /* : Int */;
-short int var19 /* : Bool */;
-short int var21 /* : Bool */;
-int cltype22;
-int idtype23;
-const char* var_class_name24;
-short int var25 /* : Bool */;
-long var26 /* : Int */;
-short int var27 /* : Bool */;
-short int var29 /* : Bool */;
-int cltype30;
-int idtype31;
-const char* var_class_name32;
-short int var33 /* : Bool */;
-val* var34 /* : Buffer */;
-long var35 /* : Int */;
-long var37 /* : Int */;
-val* var_r /* var r: Buffer */;
-short int var38 /* : Bool */;
-short int var40 /* : Bool */;
-int cltype41;
-int idtype42;
-const char* var_class_name43;
-short int var44 /* : Bool */;
-char* var45 /* : NativeString */;
-char var46 /* : Char */;
-char var48 /* : Char */;
-val* var49 /* : nullable Object */;
-long var50 /* : Int */;
-long var51 /* : Int */;
-long var53 /* : Int */;
-val* var54 /* : String */;
-static val* varonce;
-val* var55 /* : String */;
-char* var56 /* : NativeString */;
-long var57 /* : Int */;
-val* var58 /* : String */;
+long var20 /* : Int */;
+long var21 /* : Int */;
+short int var23 /* : Bool */;
+int cltype24;
+int idtype25;
+const char* var_class_name26;
+long var27 /* : Int */;
+val* var28 /* : Text */;
 var_from = p0;
-var_count = p1;
-var1 = 0;
-{ /* Inline kernel#Int#>= (var_count,var1) */
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var3 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#>= (var_from,var1) on <var_from:Int> */
 /* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
 /* <var1:Int> isa OTHER */
-var4 = 1; /* easy <var1:Int> isa OTHER*/
-if (!var4) {
+var6 = 1; /* easy <var1:Int> isa OTHER*/
+if (unlikely(!var6)) {
 var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 262);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 372);
 show_backtrace(1);
 }
-var5 = var_count >= var1;
-var2 = var5;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+var7 = var_from >= var1;
+var4 = var7;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
-if (!var2) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 50);
-show_backtrace(1);
 }
-{ /* Inline kernel#Int#+ (var_count,var_from) */
-var8 = var_count + var_from;
-var6 = var8;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+if (var4){
+{
+var8 = ((val* (*)(val*))(self->class->vft[COLOR_string__Text__empty]))(self) /* empty on <self:Text>*/;
+}
+var = var8;
+goto RET_LABEL;
+} else {
 }
-var_count = var6;
 var9 = 0;
-{ /* Inline kernel#Int#< (var_from,var9) */
+{
+{ /* Inline kernel#Int#< (var_from,var9) on <var_from:Int> */
 /* Covariant cast for argument 0 (i) <var9:Int> isa OTHER */
 /* <var9:Int> isa OTHER */
 var12 = 1; /* easy <var9:Int> isa OTHER*/
-if (!var12) {
+if (unlikely(!var12)) {
 var_class_name15 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name15);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name15);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
 show_backtrace(1);
 }
 var16 = var_from < var9;
@@ -153,646 +180,688 @@ var10 = var16;
 goto RET_LABEL11;
 RET_LABEL11:(void)0;
 }
+}
 if (var10){
 var17 = 0;
 var_from = var17;
 } else {
 }
-var18 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:AbstractString>*/;
-{ /* Inline kernel#Int#> (var_count,var18) */
-/* Covariant cast for argument 0 (i) <var18:Int> isa OTHER */
-/* <var18:Int> isa OTHER */
-var21 = 1; /* easy <var18:Int> isa OTHER*/
-if (!var21) {
-var_class_name24 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name24);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 263);
-show_backtrace(1);
-}
-var25 = var_count > var18;
-var19 = var25;
-goto RET_LABEL20;
-RET_LABEL20:(void)0;
-}
-if (var19){
-var26 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:AbstractString>*/;
-var_count = var26;
-} else {
-}
-{ /* Inline kernel#Int#< (var_from,var_count) */
-/* Covariant cast for argument 0 (i) <var_count:Int> isa OTHER */
-/* <var_count:Int> isa OTHER */
-var29 = 1; /* easy <var_count:Int> isa OTHER*/
-if (!var29) {
-var_class_name32 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name32);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
-}
-var33 = var_from < var_count;
-var27 = var33;
-goto RET_LABEL28;
-RET_LABEL28:(void)0;
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var20 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var18 = var20;
+RET_LABEL19:(void)0;
 }
-if (var27){
-var34 = NEW_string__Buffer(&type_string__Buffer);
-{ /* Inline kernel#Int#- (var_count,var_from) */
-var37 = var_count - var_from;
-var35 = var37;
-goto RET_LABEL36;
-RET_LABEL36:(void)0;
 }
-((void (*)(val*, long))(var34->class->vft[COLOR_string__Buffer__with_capacity]))(var34, var35) /* with_capacity on <var34:Buffer>*/;
-var_r = var34;
-for(;;) {
-{ /* Inline kernel#Int#< (var_from,var_count) */
-/* Covariant cast for argument 0 (i) <var_count:Int> isa OTHER */
-/* <var_count:Int> isa OTHER */
-var40 = 1; /* easy <var_count:Int> isa OTHER*/
-if (!var40) {
-var_class_name43 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name43);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
+{
+{ /* Inline kernel#Int#- (var18,var_from) on <var18:Int> */
+/* Covariant cast for argument 0 (i) <var_from:Int> isa OTHER */
+/* <var_from:Int> isa OTHER */
+var23 = 1; /* easy <var_from:Int> isa OTHER*/
+if (unlikely(!var23)) {
+var_class_name26 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name26);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 377);
 show_backtrace(1);
 }
-var44 = var_from < var_count;
-var38 = var44;
-goto RET_LABEL39;
-RET_LABEL39:(void)0;
-}
-if (!var38) break;
-var45 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:AbstractString> */
-{ /* Inline string#NativeString#[] (var45,var_from) */
-var48 = var45[var_from];
-var46 = var48;
-goto RET_LABEL47;
-RET_LABEL47:(void)0;
-}
-var49 = BOX_kernel__Char(var46); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_r->class->vft[COLOR_abstract_collection__Sequence__push]))(var_r, var49) /* push on <var_r:Buffer>*/;
-var50 = 1;
-{ /* Inline kernel#Int#+ (var_from,var50) */
-var53 = var_from + var50;
-var51 = var53;
-goto RET_LABEL52;
-RET_LABEL52:(void)0;
+var27 = var18 - var_from;
+var21 = var27;
+goto RET_LABEL22;
+RET_LABEL22:(void)0;
 }
-var_from = var51;
-CONTINUE_label: (void)0;
 }
-BREAK_label: (void)0;
-var54 = ((val* (*)(val*))(var_r->class->vft[COLOR_string__Object__to_s]))(var_r) /* to_s on <var_r:Buffer>*/;
-var = var54;
-goto RET_LABEL;
-} else {
-if (varonce) {
-var55 = varonce;
-} else {
-var56 = "";
-var57 = 0;
-var58 = string__NativeString__to_s_with_length(var56, var57);
-var55 = var58;
-varonce = var55;
+{
+var28 = ((val* (*)(val*, long, long))(self->class->vft[COLOR_string__Text__substring]))(self, var_from, var21) /* substring on <self:Text>*/;
 }
-var = var55;
+var = var28;
 goto RET_LABEL;
-}
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#substring for (self: Object, Int, Int): String */
-val* VIRTUAL_string__AbstractString__substring(val* self, long p0, long p1) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__AbstractString__substring(self, p0, p1);
+/* method string#Text#substring_from for (self: Object, Int): Text */
+val* VIRTUAL_string__Text__substring_from(val* self, long p0) {
+val* var /* : Text */;
+val* var1 /* : Text */;
+var1 = string__Text__substring_from(self, p0);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#substring_from for (self: AbstractString, Int): String */
-val* string__AbstractString__substring_from(val* self, long p0) {
-val* var /* : String */;
-long var_from /* var from: Int */;
-long var1 /* : Int */;
+/* method string#Text#has_substring for (self: Text, String, Int): Bool */
+short int string__Text__has_substring(val* self, val* p0, long p1) {
+short int var /* : Bool */;
+val* var_str /* var str: String */;
+long var_pos /* var pos: Int */;
+short int var1 /* : Bool */;
 short int var2 /* : Bool */;
-short int var4 /* : Bool */;
+short int var3 /* : Bool */;
+long var4 /* : Int */;
+short int var5 /* : Bool */;
+short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var5 /* : Bool */;
-long var6 /* : Int */;
-long var7 /* : Int */;
+short int var8 /* : Bool */;
+short int var_ /* var : Bool */;
 long var9 /* : Int */;
-val* var10 /* : String */;
-var_from = p0;
-var1 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:AbstractString>*/;
-{ /* Inline kernel#Int#< (var_from,var1) */
-/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
-/* <var1:Int> isa OTHER */
-var4 = 1; /* easy <var1:Int> isa OTHER*/
-if (!var4) {
+long var11 /* : Int */;
+long var12 /* : Int */;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
+const char* var_class_name17;
+long var18 /* : Int */;
+long var19 /* : Int */;
+long var21 /* : Int */;
+short int var22 /* : Bool */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+const char* var_class_name27;
+short int var28 /* : Bool */;
+short int var29 /* : Bool */;
+val* var30 /* : SequenceRead[Char] */;
+val* var31 /* : IndexedIterator[nullable Object] */;
+val* var_myiter /* var myiter: IndexedIterator[Char] */;
+val* var32 /* : SequenceRead[Char] */;
+val* var34 /* : SequenceRead[Char] */;
+val* var35 /* : Iterator[nullable Object] */;
+val* var_itsiter /* var itsiter: IndexedIterator[Char] */;
+short int var36 /* : Bool */;
+short int var37 /* : Bool */;
+short int var_38 /* var : Bool */;
+short int var39 /* : Bool */;
+val* var40 /* : nullable Object */;
+val* var41 /* : nullable Object */;
+short int var42 /* : Bool */;
+short int var43 /* : Bool */;
+short int var45 /* : Bool */;
+short int var46 /* : Bool */;
+short int var47 /* : Bool */;
+short int var48 /* : Bool */;
+short int var49 /* : Bool */;
+short int var50 /* : Bool */;
+var_str = p0;
+var_pos = p1;
+{
+var1 = string__Text__is_empty(var_str);
+}
+if (var1){
+var2 = 1;
+var = var2;
+goto RET_LABEL;
+} else {
+}
+var4 = 0;
+{
+{ /* Inline kernel#Int#< (var_pos,var4) on <var_pos:Int> */
+/* Covariant cast for argument 0 (i) <var4:Int> isa OTHER */
+/* <var4:Int> isa OTHER */
+var7 = 1; /* easy <var4:Int> isa OTHER*/
+if (unlikely(!var7)) {
 var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
 show_backtrace(1);
 }
-var5 = var_from < var1;
-var2 = var5;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+var8 = var_pos < var4;
+var5 = var8;
+goto RET_LABEL6;
+RET_LABEL6:(void)0;
+}
 }
-if (!var2) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 75);
+var_ = var5;
+if (var5){
+var3 = var_;
+} else {
+{
+{ /* Inline string#FlatText#length (var_str) on <var_str:String> */
+var11 = var_str->attrs[COLOR_string__FlatText___length].l; /* _length on <var_str:String> */
+var9 = var11;
+RET_LABEL10:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var_pos,var9) on <var_pos:Int> */
+/* Covariant cast for argument 0 (i) <var9:Int> isa OTHER */
+/* <var9:Int> isa OTHER */
+var14 = 1; /* easy <var9:Int> isa OTHER*/
+if (unlikely(!var14)) {
+var_class_name17 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name17);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
 show_backtrace(1);
 }
-var6 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:AbstractString>*/;
-{ /* Inline kernel#Int#- (var6,var_from) */
-var9 = var6 - var_from;
-var7 = var9;
-goto RET_LABEL8;
-RET_LABEL8:(void)0;
+var18 = var_pos + var9;
+var12 = var18;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
-var10 = ((val* (*)(val*, long, long))(self->class->vft[COLOR_string__AbstractString__substring]))(self, var_from, var7) /* substring on <self:AbstractString>*/;
-var = var10;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
 }
-/* method string#AbstractString#substring_from for (self: Object, Int): String */
-val* VIRTUAL_string__AbstractString__substring_from(val* self, long p0) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__AbstractString__substring_from(self, p0);
-var = var1;
-RET_LABEL:;
-return var;
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var21 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var19 = var21;
+RET_LABEL20:(void)0;
 }
-/* method string#AbstractString#has_substring for (self: AbstractString, String, Int): Bool */
-short int string__AbstractString__has_substring(val* self, val* p0, long p1) {
-short int var /* : Bool */;
-val* var_str /* var str: String */;
-long var_pos /* var pos: Int */;
-long var1 /* : Int */;
-long var2 /* : Int */;
-long var3 /* : Int */;
-long var5 /* : Int */;
-long var_itsindex /* var itsindex: Int */;
-long var6 /* : Int */;
-long var8 /* : Int */;
-long var_myindex /* var myindex: Int */;
-char* var9 /* : NativeString */;
-char* var_myitems /* var myitems: NativeString */;
-char* var10 /* : NativeString */;
-char* var_itsitems /* var itsitems: NativeString */;
-short int var11 /* : Bool */;
-long var12 /* : Int */;
-short int var13 /* : Bool */;
-short int var15 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var16 /* : Bool */;
-short int var_ /* var : Bool */;
-short int var17 /* : Bool */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
-const char* var_class_name22;
-short int var23 /* : Bool */;
-short int var24 /* : Bool */;
-long var25 /* : Int */;
-long var_its_index_from /* var its_index_from: Int */;
-long var26 /* : Int */;
-long var28 /* : Int */;
-short int var29 /* : Bool */;
-short int var31 /* : Bool */;
-int cltype32;
-int idtype33;
-const char* var_class_name34;
-short int var35 /* : Bool */;
-char var36 /* : Char */;
-char var38 /* : Char */;
-char var39 /* : Char */;
-char var41 /* : Char */;
-short int var42 /* : Bool */;
-short int var44 /* : Bool */;
-short int var45 /* : Bool */;
-short int var46 /* : Bool */;
-long var47 /* : Int */;
-long var48 /* : Int */;
-long var50 /* : Int */;
-long var51 /* : Int */;
-long var52 /* : Int */;
-long var54 /* : Int */;
-short int var55 /* : Bool */;
-var_str = p0;
-var_pos = p1;
-var1 = ((long (*)(val*))(var_str->class->vft[COLOR_abstract_collection__Collection__length]))(var_str) /* length on <var_str:String>*/;
-var2 = 1;
-{ /* Inline kernel#Int#- (var1,var2) */
-var5 = var1 - var2;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-var_itsindex = var3;
-{ /* Inline kernel#Int#+ (var_pos,var_itsindex) */
-var8 = var_pos + var_itsindex;
-var6 = var8;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
 }
-var_myindex = var6;
-var9 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:AbstractString> */
-var_myitems = var9;
-var10 = var_str->attrs[COLOR_string__AbstractString___items].str; /* _items on <var_str:String> */
-var_itsitems = var10;
-var12 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:AbstractString>*/;
-{ /* Inline kernel#Int#> (var_myindex,var12) */
-/* Covariant cast for argument 0 (i) <var12:Int> isa OTHER */
-/* <var12:Int> isa OTHER */
-var15 = 1; /* easy <var12:Int> isa OTHER*/
-if (!var15) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 263);
+{
+{ /* Inline kernel#Int#> (var12,var19) on <var12:Int> */
+/* Covariant cast for argument 0 (i) <var19:Int> isa OTHER */
+/* <var19:Int> isa OTHER */
+var24 = 1; /* easy <var19:Int> isa OTHER*/
+if (unlikely(!var24)) {
+var_class_name27 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name27);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 373);
 show_backtrace(1);
 }
-var16 = var_myindex > var12;
-var13 = var16;
-goto RET_LABEL14;
-RET_LABEL14:(void)0;
-}
-var_ = var13;
-if (var13){
-var11 = var_;
-} else {
-{ /* Inline kernel#Int#> (var_itsindex,var_myindex) */
-/* Covariant cast for argument 0 (i) <var_myindex:Int> isa OTHER */
-/* <var_myindex:Int> isa OTHER */
-var19 = 1; /* easy <var_myindex:Int> isa OTHER*/
-if (!var19) {
-var_class_name22 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name22);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 263);
-show_backtrace(1);
+var28 = var12 > var19;
+var22 = var28;
+goto RET_LABEL23;
+RET_LABEL23:(void)0;
 }
-var23 = var_itsindex > var_myindex;
-var17 = var23;
-goto RET_LABEL18;
-RET_LABEL18:(void)0;
 }
-var11 = var17;
+var3 = var22;
 }
-if (var11){
-var24 = 0;
-var = var24;
+if (var3){
+var29 = 0;
+var = var29;
 goto RET_LABEL;
 } else {
 }
-var25 = var_str->attrs[COLOR_string__String___index_from].l; /* _index_from on <var_str:String> */
-var_its_index_from = var25;
-{ /* Inline kernel#Int#+ (var_itsindex,var_its_index_from) */
-var28 = var_itsindex + var_its_index_from;
-var26 = var28;
-goto RET_LABEL27;
-RET_LABEL27:(void)0;
+{
+var30 = ((val* (*)(val*))(self->class->vft[COLOR_string__Text__chars]))(self) /* chars on <self:Text>*/;
+}
+{
+var31 = ((val* (*)(val*, long))(var30->class->vft[COLOR_abstract_collection__SequenceRead__iterator_from]))(var30, var_pos) /* iterator_from on <var30:SequenceRead[Char]>*/;
+}
+var_myiter = var31;
+{
+{ /* Inline string#FlatString#chars (var_str) on <var_str:String> */
+var34 = var_str->attrs[COLOR_string__FlatString___chars].val; /* _chars on <var_str:String> */
+if (unlikely(var34 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 939);
+show_backtrace(1);
 }
-var_itsindex = var26;
+var32 = var34;
+RET_LABEL33:(void)0;
+}
+}
+{
+var35 = ((val* (*)(val*))(var32->class->vft[COLOR_abstract_collection__Collection__iterator]))(var32) /* iterator on <var32:SequenceRead[Char]>*/;
+}
+var_itsiter = var35;
 for(;;) {
-{ /* Inline kernel#Int#>= (var_itsindex,var_its_index_from) */
-/* Covariant cast for argument 0 (i) <var_its_index_from:Int> isa OTHER */
-/* <var_its_index_from:Int> isa OTHER */
-var31 = 1; /* easy <var_its_index_from:Int> isa OTHER*/
-if (!var31) {
-var_class_name34 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name34);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 262);
-show_backtrace(1);
-}
-var35 = var_itsindex >= var_its_index_from;
-var29 = var35;
-goto RET_LABEL30;
-RET_LABEL30:(void)0;
+{
+var37 = ((short int (*)(val*))(var_myiter->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var_myiter) /* is_ok on <var_myiter:IndexedIterator[Char]>*/;
 }
-if (!var29) break;
-{ /* Inline string#NativeString#[] (var_myitems,var_myindex) */
-var38 = var_myitems[var_myindex];
-var36 = var38;
-goto RET_LABEL37;
-RET_LABEL37:(void)0;
+var_38 = var37;
+if (var37){
+{
+var39 = ((short int (*)(val*))(var_itsiter->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var_itsiter) /* is_ok on <var_itsiter:IndexedIterator[Char]>*/;
 }
-{ /* Inline string#NativeString#[] (var_itsitems,var_itsindex) */
-var41 = var_itsitems[var_itsindex];
-var39 = var41;
-goto RET_LABEL40;
-RET_LABEL40:(void)0;
+var36 = var39;
+} else {
+var36 = var_38;
 }
-{ /* Inline kernel#Char#!= (var36,var39) */
-var44 = var36 == var39;
-var45 = !var44;
-var42 = var45;
-goto RET_LABEL43;
-RET_LABEL43:(void)0;
+if (var36){
+{
+var40 = ((val* (*)(val*))(var_myiter->class->vft[COLOR_abstract_collection__Iterator__item]))(var_myiter) /* item on <var_myiter:IndexedIterator[Char]>*/;
+}
+{
+var41 = ((val* (*)(val*))(var_itsiter->class->vft[COLOR_abstract_collection__Iterator__item]))(var_itsiter) /* item on <var_itsiter:IndexedIterator[Char]>*/;
+}
+{
+{ /* Inline kernel#Char#!= (var40,var41) on <var40:nullable Object(Char)> */
+var45 = var40 == var41 || (((struct instance_kernel__Char*)var40)->value == ((struct instance_kernel__Char*)var41)->value);
+var46 = !var45;
+var43 = var46;
+goto RET_LABEL44;
+RET_LABEL44:(void)0;
+}
+var42 = var43;
 }
 if (var42){
-var46 = 0;
-var = var46;
+var47 = 0;
+var = var47;
 goto RET_LABEL;
 } else {
 }
-var47 = 1;
-{ /* Inline kernel#Int#- (var_myindex,var47) */
-var50 = var_myindex - var47;
-var48 = var50;
-goto RET_LABEL49;
-RET_LABEL49:(void)0;
+{
+((void (*)(val*))(var_myiter->class->vft[COLOR_abstract_collection__Iterator__next]))(var_myiter) /* next on <var_myiter:IndexedIterator[Char]>*/;
 }
-var_myindex = var48;
-var51 = 1;
-{ /* Inline kernel#Int#- (var_itsindex,var51) */
-var54 = var_itsindex - var51;
-var52 = var54;
-goto RET_LABEL53;
-RET_LABEL53:(void)0;
+{
+((void (*)(val*))(var_itsiter->class->vft[COLOR_abstract_collection__Iterator__next]))(var_itsiter) /* next on <var_itsiter:IndexedIterator[Char]>*/;
+}
+} else {
+goto BREAK_label;
 }
-var_itsindex = var52;
-CONTINUE_label: (void)0;
 }
 BREAK_label: (void)0;
-var55 = 1;
-var = var55;
+{
+var48 = ((short int (*)(val*))(var_itsiter->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var_itsiter) /* is_ok on <var_itsiter:IndexedIterator[Char]>*/;
+}
+if (var48){
+var49 = 0;
+var = var49;
+goto RET_LABEL;
+} else {
+}
+var50 = 1;
+var = var50;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#has_substring for (self: Object, String, Int): Bool */
-short int VIRTUAL_string__AbstractString__has_substring(val* self, val* p0, long p1) {
+/* method string#Text#has_substring for (self: Object, String, Int): Bool */
+short int VIRTUAL_string__Text__has_substring(val* self, val* p0, long p1) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
-var1 = string__AbstractString__has_substring(self, p0, p1);
+var1 = string__Text__has_substring(self, p0, p1);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#has_prefix for (self: AbstractString, String): Bool */
-short int string__AbstractString__has_prefix(val* self, val* p0) {
+/* method string#Text#has_prefix for (self: Text, String): Bool */
+short int string__Text__has_prefix(val* self, val* p0) {
 short int var /* : Bool */;
 val* var_prefix /* var prefix: String */;
 long var1 /* : Int */;
 short int var2 /* : Bool */;
 var_prefix = p0;
 var1 = 0;
-var2 = ((short int (*)(val*, val*, long))(self->class->vft[COLOR_string__AbstractString__has_substring]))(self, var_prefix, var1) /* has_substring on <self:AbstractString>*/;
+{
+var2 = string__Text__has_substring(self, var_prefix, var1);
+}
 var = var2;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#has_prefix for (self: Object, String): Bool */
-short int VIRTUAL_string__AbstractString__has_prefix(val* self, val* p0) {
+/* method string#Text#has_prefix for (self: Object, String): Bool */
+short int VIRTUAL_string__Text__has_prefix(val* self, val* p0) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
-var1 = string__AbstractString__has_prefix(self, p0);
+var1 = string__Text__has_prefix(self, p0);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#has_suffix for (self: AbstractString, String): Bool */
-short int string__AbstractString__has_suffix(val* self, val* p0) {
+/* method string#Text#has_suffix for (self: Text, String): Bool */
+short int string__Text__has_suffix(val* self, val* p0) {
 short int var /* : Bool */;
 val* var_suffix /* var suffix: String */;
 long var1 /* : Int */;
-long var2 /* : Int */;
 long var3 /* : Int */;
-long var5 /* : Int */;
-short int var6 /* : Bool */;
+long var4 /* : Int */;
+long var6 /* : Int */;
+long var7 /* : Int */;
+short int var9 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var10 /* : Int */;
+short int var11 /* : Bool */;
 var_suffix = p0;
-var1 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:AbstractString>*/;
-var2 = ((long (*)(val*))(var_suffix->class->vft[COLOR_abstract_collection__Collection__length]))(var_suffix) /* length on <var_suffix:String>*/;
-{ /* Inline kernel#Int#- (var1,var2) */
-var5 = var1 - var2;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var3 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-var6 = ((short int (*)(val*, val*, long))(self->class->vft[COLOR_string__AbstractString__has_substring]))(self, var_suffix, var3) /* has_substring on <self:AbstractString>*/;
-var = var6;
+}
+{
+{ /* Inline string#FlatText#length (var_suffix) on <var_suffix:String> */
+var6 = var_suffix->attrs[COLOR_string__FlatText___length].l; /* _length on <var_suffix:String> */
+var4 = var6;
+RET_LABEL5:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#- (var1,var4) on <var1:Int> */
+/* Covariant cast for argument 0 (i) <var4:Int> isa OTHER */
+/* <var4:Int> isa OTHER */
+var9 = 1; /* easy <var4:Int> isa OTHER*/
+if (unlikely(!var9)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 377);
+show_backtrace(1);
+}
+var10 = var1 - var4;
+var7 = var10;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
+}
+}
+{
+var11 = string__Text__has_substring(self, var_suffix, var7);
+}
+var = var11;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#has_suffix for (self: Object, String): Bool */
-short int VIRTUAL_string__AbstractString__has_suffix(val* self, val* p0) {
+/* method string#Text#has_suffix for (self: Object, String): Bool */
+short int VIRTUAL_string__Text__has_suffix(val* self, val* p0) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
-var1 = string__AbstractString__has_suffix(self, p0);
+var1 = string__Text__has_suffix(self, p0);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#to_i for (self: AbstractString): Int */
-long string__AbstractString__to_i(val* self) {
+/* method string#Text#to_i for (self: Text): Int */
+long string__Text__to_i(val* self) {
 long var /* : Int */;
 val* var1 /* : String */;
 char* var2 /* : NativeString */;
 long var3 /* : Int */;
 long var5 /* : Int */;
-var1 = ((val* (*)(val*))(self->class->vft[COLOR_string__Object__to_s]))(self) /* to_s on <self:AbstractString>*/;
-var2 = ((char* (*)(val*))(var1->class->vft[COLOR_string__String__to_cstring]))(var1) /* to_cstring on <var1:String>*/;
-{ /* Inline string#NativeString#atoi (var2) */
+{
+var1 = ((val* (*)(val*))(self->class->vft[COLOR_string__Object__to_s]))(self) /* to_s on <self:Text>*/;
+}
+{
+var2 = string__FlatString__to_cstring(var1);
+}
+{
+{ /* Inline string#NativeString#atoi (var2) on <var2:NativeString> */
 var5 = atoi(var2);;
 var3 = var5;
 goto RET_LABEL4;
 RET_LABEL4:(void)0;
 }
+}
 var = var3;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#to_i for (self: Object): Int */
-long VIRTUAL_string__AbstractString__to_i(val* self) {
+/* method string#Text#to_i for (self: Object): Int */
+long VIRTUAL_string__Text__to_i(val* self) {
 long var /* : Int */;
 long var1 /* : Int */;
-var1 = string__AbstractString__to_i(self);
+var1 = string__Text__to_i(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#to_f for (self: AbstractString): Float */
-double string__AbstractString__to_f(val* self) {
+/* method string#Text#to_f for (self: Text): Float */
+double string__Text__to_f(val* self) {
 double var /* : Float */;
 val* var1 /* : String */;
 char* var2 /* : NativeString */;
 double var3 /* : Float */;
-var1 = ((val* (*)(val*))(self->class->vft[COLOR_string__Object__to_s]))(self) /* to_s on <self:AbstractString>*/;
-var2 = ((char* (*)(val*))(var1->class->vft[COLOR_string__String__to_cstring]))(var1) /* to_cstring on <var1:String>*/;
-var3 = string__NativeString__atof(var2);
+double var5 /* : Float for extern */;
+{
+var1 = ((val* (*)(val*))(self->class->vft[COLOR_string__Object__to_s]))(self) /* to_s on <self:Text>*/;
+}
+{
+var2 = string__FlatString__to_cstring(var1);
+}
+{
+{ /* Inline string#NativeString#atof (var2) on <var2:NativeString> */
+var5 = atof(var2);
+var3 = var5;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
+}
+}
 var = var3;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#to_f for (self: Object): Float */
-double VIRTUAL_string__AbstractString__to_f(val* self) {
+/* method string#Text#to_f for (self: Object): Float */
+double VIRTUAL_string__Text__to_f(val* self) {
 double var /* : Float */;
 double var1 /* : Float */;
-var1 = string__AbstractString__to_f(self);
+var1 = string__Text__to_f(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#to_hex for (self: AbstractString): Int */
-long string__AbstractString__to_hex(val* self) {
+/* method string#Text#to_hex for (self: Text): Int */
+long string__Text__to_hex(val* self) {
 long var /* : Int */;
 long var1 /* : Int */;
 long var2 /* : Int */;
 var1 = 16;
-var2 = ((long (*)(val*, long))(self->class->vft[COLOR_string__AbstractString__a_to]))(self, var1) /* a_to on <self:AbstractString>*/;
+{
+var2 = string__Text__a_to(self, var1);
+}
 var = var2;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#to_hex for (self: Object): Int */
-long VIRTUAL_string__AbstractString__to_hex(val* self) {
+/* method string#Text#to_hex for (self: Object): Int */
+long VIRTUAL_string__Text__to_hex(val* self) {
 long var /* : Int */;
 long var1 /* : Int */;
-var1 = string__AbstractString__to_hex(self);
+var1 = string__Text__to_hex(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#a_to for (self: AbstractString, Int): Int */
-long string__AbstractString__a_to(val* self, long p0) {
+/* method string#Text#a_to for (self: Text, Int): Int */
+long string__Text__a_to(val* self, long p0) {
 long var /* : Int */;
 long var_base /* var base: Int */;
 long var1 /* : Int */;
 long var_i /* var i: Int */;
 short int var2 /* : Bool */;
 short int var_neg /* var neg: Bool */;
-val* var3 /* : Iterator[nullable Object] */;
-short int var4 /* : Bool */;
-val* var5 /* : nullable Object */;
-char var_c /* var c: Char */;
-char var6 /* : Char */;
-long var7 /* : Int */;
-long var_v /* var v: Int */;
-short int var8 /* : Bool */;
-short int var10 /* : Bool */;
+long var3 /* : Int */;
+long var_j /* var j: Int */;
+long var4 /* : Int */;
+long var6 /* : Int */;
+long var_ /* var : Int */;
+short int var7 /* : Bool */;
+short int var9 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var11 /* : Bool */;
-long var12 /* : Int */;
+short int var10 /* : Bool */;
+val* var11 /* : SequenceRead[Char] */;
+val* var12 /* : nullable Object */;
+char var13 /* : Char */;
+char var_c /* var c: Char */;
 long var14 /* : Int */;
-long var15 /* : Int */;
-short int var16 /* : Bool */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
-const char* var_class_name21;
-short int var22 /* : Bool */;
-short int var23 /* : Bool */;
+long var_v /* var v: Int */;
+short int var15 /* : Bool */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
+const char* var_class_name20;
+short int var21 /* : Bool */;
+long var22 /* : Int */;
 long var24 /* : Int */;
-long var26 /* : Int */;
-long var27 /* : Int */;
-long var29 /* : Int */;
-long var30 /* : Int */;
-long var32 /* : Int */;
+long var25 /* : Int */;
+short int var26 /* : Bool */;
+short int var28 /* : Bool */;
+int cltype29;
+int idtype30;
+const char* var_class_name31;
+short int var32 /* : Bool */;
+short int var33 /* : Bool */;
+long var34 /* : Int */;
+short int var36 /* : Bool */;
+int cltype37;
+int idtype38;
+const char* var_class_name39;
+long var40 /* : Int */;
+long var41 /* : Int */;
+short int var43 /* : Bool */;
+int cltype44;
+int idtype45;
+const char* var_class_name46;
+long var47 /* : Int */;
+long var48 /* : Int */;
+long var49 /* : Int */;
+long var50 /* : Int */;
+long var52 /* : Int */;
 var_base = p0;
 var1 = 0;
 var_i = var1;
 var2 = 0;
 var_neg = var2;
-var3 = ((val* (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__iterator]))(self) /* iterator on <self:AbstractString>*/;
+var3 = 0;
+var_j = var3;
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var6 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var4 = var6;
+RET_LABEL5:(void)0;
+}
+}
+var_ = var4;
 for(;;) {
-var4 = ((short int (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var3) /* is_ok on <var3:Iterator[nullable Object]>*/;
-if(!var4) break;
-var5 = ((val* (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__item]))(var3) /* item on <var3:Iterator[nullable Object]>*/;
-var6 = ((struct instance_kernel__Char*)var5)->value; /* autounbox from nullable Object to Char */;
-var_c = var6;
-var7 = kernel__Char__to_i(var_c);
-var_v = var7;
-{ /* Inline kernel#Int#> (var_v,var_base) */
+{
+{ /* Inline kernel#Int#< (var_j,var_) on <var_j:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var9 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var9)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var10 = var_j < var_;
+var7 = var10;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
+}
+}
+if (var7){
+{
+var11 = ((val* (*)(val*))(self->class->vft[COLOR_string__Text__chars]))(self) /* chars on <self:Text>*/;
+}
+{
+var12 = ((val* (*)(val*, long))(var11->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var11, var_j) /* [] on <var11:SequenceRead[Char]>*/;
+}
+var13 = ((struct instance_kernel__Char*)var12)->value; /* autounbox from nullable Object to Char */;
+var_c = var13;
+{
+var14 = kernel__Char__to_i(var_c);
+}
+var_v = var14;
+{
+{ /* Inline kernel#Int#> (var_v,var_base) on <var_v:Int> */
 /* Covariant cast for argument 0 (i) <var_base:Int> isa OTHER */
 /* <var_base:Int> isa OTHER */
-var10 = 1; /* easy <var_base:Int> isa OTHER*/
-if (!var10) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 263);
+var17 = 1; /* easy <var_base:Int> isa OTHER*/
+if (unlikely(!var17)) {
+var_class_name20 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name20);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 373);
 show_backtrace(1);
 }
-var11 = var_v > var_base;
-var8 = var11;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+var21 = var_v > var_base;
+var15 = var21;
+goto RET_LABEL16;
+RET_LABEL16:(void)0;
 }
-if (var8){
+}
+if (var15){
 if (var_neg){
-{ /* Inline kernel#Int#unary - (var_i) */
-var14 = -var_i;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
+{
+{ /* Inline kernel#Int#unary - (var_i) on <var_i:Int> */
+var24 = -var_i;
+var22 = var24;
+goto RET_LABEL23;
+RET_LABEL23:(void)0;
 }
-var = var12;
+}
+var = var22;
 goto RET_LABEL;
 } else {
 var = var_i;
 goto RET_LABEL;
 }
 } else {
-var15 = 0;
-{ /* Inline kernel#Int#< (var_v,var15) */
-/* Covariant cast for argument 0 (i) <var15:Int> isa OTHER */
-/* <var15:Int> isa OTHER */
-var18 = 1; /* easy <var15:Int> isa OTHER*/
-if (!var18) {
-var_class_name21 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name21);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
+var25 = 0;
+{
+{ /* Inline kernel#Int#< (var_v,var25) on <var_v:Int> */
+/* Covariant cast for argument 0 (i) <var25:Int> isa OTHER */
+/* <var25:Int> isa OTHER */
+var28 = 1; /* easy <var25:Int> isa OTHER*/
+if (unlikely(!var28)) {
+var_class_name31 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name31);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
 show_backtrace(1);
 }
-var22 = var_v < var15;
-var16 = var22;
-goto RET_LABEL17;
-RET_LABEL17:(void)0;
+var32 = var_v < var25;
+var26 = var32;
+goto RET_LABEL27;
+RET_LABEL27:(void)0;
 }
-if (var16){
-var23 = 1;
-var_neg = var23;
+}
+if (var26){
+var33 = 1;
+var_neg = var33;
 } else {
-{ /* Inline kernel#Int#* (var_i,var_base) */
-var26 = var_i * var_base;
-var24 = var26;
-goto RET_LABEL25;
-RET_LABEL25:(void)0;
+{
+{ /* Inline kernel#Int#* (var_i,var_base) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_base:Int> isa OTHER */
+/* <var_base:Int> isa OTHER */
+var36 = 1; /* easy <var_base:Int> isa OTHER*/
+if (unlikely(!var36)) {
+var_class_name39 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name39);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 378);
+show_backtrace(1);
+}
+var40 = var_i * var_base;
+var34 = var40;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var34,var_v) on <var34:Int> */
+/* Covariant cast for argument 0 (i) <var_v:Int> isa OTHER */
+/* <var_v:Int> isa OTHER */
+var43 = 1; /* easy <var_v:Int> isa OTHER*/
+if (unlikely(!var43)) {
+var_class_name46 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name46);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var47 = var34 + var_v;
+var41 = var47;
+goto RET_LABEL42;
+RET_LABEL42:(void)0;
 }
-{ /* Inline kernel#Int#+ (var24,var_v) */
-var29 = var24 + var_v;
-var27 = var29;
-goto RET_LABEL28;
-RET_LABEL28:(void)0;
 }
-var_i = var27;
+var_i = var41;
 }
 }
-CONTINUE_label: (void)0;
-((void (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__next]))(var3) /* next on <var3:Iterator[nullable Object]>*/;
+var48 = 1;
+{
+var49 = kernel__Int__successor(var_j, var48);
+}
+var_j = var49;
+} else {
+goto BREAK_label;
+}
 }
 BREAK_label: (void)0;
 if (var_neg){
-{ /* Inline kernel#Int#unary - (var_i) */
-var32 = -var_i;
-var30 = var32;
-goto RET_LABEL31;
-RET_LABEL31:(void)0;
+{
+{ /* Inline kernel#Int#unary - (var_i) on <var_i:Int> */
+var52 = -var_i;
+var50 = var52;
+goto RET_LABEL51;
+RET_LABEL51:(void)0;
+}
 }
-var = var30;
+var = var50;
 goto RET_LABEL;
 } else {
 var = var_i;
@@ -801,6836 +870,9127 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#a_to for (self: Object, Int): Int */
-long VIRTUAL_string__AbstractString__a_to(val* self, long p0) {
+/* method string#Text#a_to for (self: Object, Int): Int */
+long VIRTUAL_string__Text__a_to(val* self, long p0) {
 long var /* : Int */;
 long var1 /* : Int */;
-var1 = string__AbstractString__a_to(self, p0);
+var1 = string__Text__a_to(self, p0);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#is_numeric for (self: AbstractString): Bool */
-short int string__AbstractString__is_numeric(val* self) {
+/* method string#Text#is_numeric for (self: Text): Bool */
+short int string__Text__is_numeric(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
 short int var_has_point_or_comma /* var has_point_or_comma: Bool */;
-val* var2 /* : Iterator[nullable Object] */;
-short int var3 /* : Bool */;
-val* var4 /* : nullable Object */;
-char var_i /* var i: Char */;
-char var5 /* : Char */;
+long var2 /* : Int */;
+long var_i /* var i: Int */;
+long var3 /* : Int */;
+long var5 /* : Int */;
+long var_ /* var : Int */;
 short int var6 /* : Bool */;
-short int var7 /* : Bool */;
 short int var8 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
 short int var9 /* : Bool */;
-char var10 /* : Char */;
-short int var11 /* : Bool */;
+val* var10 /* : SequenceRead[Char] */;
+val* var11 /* : nullable Object */;
+char var12 /* : Char */;
+char var_c /* var c: Char */;
 short int var13 /* : Bool */;
-short int var_ /* var : Bool */;
-char var14 /* : Char */;
+short int var14 /* : Bool */;
 short int var15 /* : Bool */;
-short int var17 /* : Bool */;
-short int var_18 /* var : Bool */;
+short int var16 /* : Bool */;
+char var17 /* : Char */;
+short int var18 /* : Bool */;
 short int var19 /* : Bool */;
-short int var20 /* : Bool */;
 short int var21 /* : Bool */;
-short int var22 /* : Bool */;
+short int var_22 /* var : Bool */;
+char var23 /* : Char */;
+short int var24 /* : Bool */;
+short int var25 /* : Bool */;
+short int var27 /* : Bool */;
+short int var_28 /* var : Bool */;
+short int var29 /* : Bool */;
+short int var30 /* : Bool */;
+short int var31 /* : Bool */;
+long var32 /* : Int */;
+long var33 /* : Int */;
+short int var34 /* : Bool */;
 var1 = 0;
 var_has_point_or_comma = var1;
-var2 = ((val* (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__iterator]))(self) /* iterator on <self:AbstractString>*/;
+var2 = 0;
+var_i = var2;
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var5 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var3 = var5;
+RET_LABEL4:(void)0;
+}
+}
+var_ = var3;
 for(;;) {
-var3 = ((short int (*)(val*))(var2->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var2) /* is_ok on <var2:Iterator[nullable Object]>*/;
-if(!var3) break;
-var4 = ((val* (*)(val*))(var2->class->vft[COLOR_abstract_collection__Iterator__item]))(var2) /* item on <var2:Iterator[nullable Object]>*/;
-var5 = ((struct instance_kernel__Char*)var4)->value; /* autounbox from nullable Object to Char */;
-var_i = var5;
-var6 = string__Char__is_numeric(var_i);
-var7 = !var6;
-if (var7){
-var10 = '.';
-{ /* Inline kernel#Char#== (var_i,var10) */
-var13 = var_i == var10;
-var11 = var13;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
+{
+{ /* Inline kernel#Int#< (var_i,var_) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var8 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var8)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
 }
-var_ = var11;
-if (var11){
-var9 = var_;
-} else {
-var14 = ',';
-{ /* Inline kernel#Char#== (var_i,var14) */
-var17 = var_i == var14;
-var15 = var17;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
+var9 = var_i < var_;
+var6 = var9;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
 }
-var9 = var15;
 }
-var_18 = var9;
-if (var9){
-var19 = !var_has_point_or_comma;
-var8 = var19;
-} else {
-var8 = var_18;
+if (var6){
+{
+var10 = ((val* (*)(val*))(self->class->vft[COLOR_string__Text__chars]))(self) /* chars on <self:Text>*/;
+}
+{
+var11 = ((val* (*)(val*, long))(var10->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var10, var_i) /* [] on <var10:SequenceRead[Char]>*/;
+}
+var12 = ((struct instance_kernel__Char*)var11)->value; /* autounbox from nullable Object to Char */;
+var_c = var12;
+{
+var13 = string__Char__is_numeric(var_c);
+}
+var14 = !var13;
+if (var14){
+var17 = '.';
+{
+{ /* Inline kernel#Char#== (var_c,var17) on <var_c:Char> */
+var21 = var_c == var17;
+var19 = var21;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
 }
-if (var8){
-var20 = 1;
-var_has_point_or_comma = var20;
-} else {
-var21 = 0;
-var = var21;
-goto RET_LABEL;
+var18 = var19;
 }
+var_22 = var18;
+if (var18){
+var16 = var_22;
 } else {
+var23 = ',';
+{
+{ /* Inline kernel#Char#== (var_c,var23) on <var_c:Char> */
+var27 = var_c == var23;
+var25 = var27;
+goto RET_LABEL26;
+RET_LABEL26:(void)0;
 }
-CONTINUE_label: (void)0;
-((void (*)(val*))(var2->class->vft[COLOR_abstract_collection__Iterator__next]))(var2) /* next on <var2:Iterator[nullable Object]>*/;
-}
-BREAK_label: (void)0;
-var22 = 1;
-var = var22;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+var24 = var25;
 }
-/* method string#AbstractString#is_numeric for (self: Object): Bool */
-short int VIRTUAL_string__AbstractString__is_numeric(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = string__AbstractString__is_numeric(self);
-var = var1;
-RET_LABEL:;
-return var;
+var16 = var24;
 }
-/* method string#AbstractString#to_upper for (self: AbstractString): String */
-val* string__AbstractString__to_upper(val* self) {
-val* var /* : String */;
-val* var1 /* : Buffer */;
-long var2 /* : Int */;
-val* var_s /* var s: Buffer */;
-val* var3 /* : Iterator[nullable Object] */;
-short int var4 /* : Bool */;
-val* var5 /* : nullable Object */;
-char var_i /* var i: Char */;
-char var6 /* : Char */;
-char var7 /* : Char */;
-val* var8 /* : nullable Object */;
-val* var9 /* : String */;
-var1 = NEW_string__Buffer(&type_string__Buffer);
-var2 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:AbstractString>*/;
-((void (*)(val*, long))(var1->class->vft[COLOR_string__Buffer__with_capacity]))(var1, var2) /* with_capacity on <var1:Buffer>*/;
-var_s = var1;
-var3 = ((val* (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__iterator]))(self) /* iterator on <self:AbstractString>*/;
-for(;;) {
-var4 = ((short int (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var3) /* is_ok on <var3:Iterator[nullable Object]>*/;
-if(!var4) break;
-var5 = ((val* (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__item]))(var3) /* item on <var3:Iterator[nullable Object]>*/;
-var6 = ((struct instance_kernel__Char*)var5)->value; /* autounbox from nullable Object to Char */;
-var_i = var6;
-var7 = kernel__Char__to_upper(var_i);
-var8 = BOX_kernel__Char(var7); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_s, var8) /* add on <var_s:Buffer>*/;
-CONTINUE_label: (void)0;
-((void (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__next]))(var3) /* next on <var3:Iterator[nullable Object]>*/;
+var_28 = var16;
+if (var16){
+var29 = !var_has_point_or_comma;
+var15 = var29;
+} else {
+var15 = var_28;
 }
-BREAK_label: (void)0;
-var9 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var9;
+if (var15){
+var30 = 1;
+var_has_point_or_comma = var30;
+} else {
+var31 = 0;
+var = var31;
 goto RET_LABEL;
-RET_LABEL:;
-return var;
 }
-/* method string#AbstractString#to_upper for (self: Object): String */
-val* VIRTUAL_string__AbstractString__to_upper(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__AbstractString__to_upper(self);
-var = var1;
-RET_LABEL:;
-return var;
+} else {
+}
+var32 = 1;
+{
+var33 = kernel__Int__successor(var_i, var32);
+}
+var_i = var33;
+} else {
+goto BREAK_label;
 }
-/* method string#AbstractString#to_lower for (self: AbstractString): String */
-val* string__AbstractString__to_lower(val* self) {
-val* var /* : String */;
-val* var1 /* : Buffer */;
-long var2 /* : Int */;
-val* var_s /* var s: Buffer */;
-val* var3 /* : Iterator[nullable Object] */;
-short int var4 /* : Bool */;
-val* var5 /* : nullable Object */;
-char var_i /* var i: Char */;
-char var6 /* : Char */;
-char var7 /* : Char */;
-val* var8 /* : nullable Object */;
-val* var9 /* : String */;
-var1 = NEW_string__Buffer(&type_string__Buffer);
-var2 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:AbstractString>*/;
-((void (*)(val*, long))(var1->class->vft[COLOR_string__Buffer__with_capacity]))(var1, var2) /* with_capacity on <var1:Buffer>*/;
-var_s = var1;
-var3 = ((val* (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__iterator]))(self) /* iterator on <self:AbstractString>*/;
-for(;;) {
-var4 = ((short int (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var3) /* is_ok on <var3:Iterator[nullable Object]>*/;
-if(!var4) break;
-var5 = ((val* (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__item]))(var3) /* item on <var3:Iterator[nullable Object]>*/;
-var6 = ((struct instance_kernel__Char*)var5)->value; /* autounbox from nullable Object to Char */;
-var_i = var6;
-var7 = kernel__Char__to_lower(var_i);
-var8 = BOX_kernel__Char(var7); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_s, var8) /* add on <var_s:Buffer>*/;
-CONTINUE_label: (void)0;
-((void (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__next]))(var3) /* next on <var3:Iterator[nullable Object]>*/;
 }
 BREAK_label: (void)0;
-var9 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var9;
+var34 = 1;
+var = var34;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#to_lower for (self: Object): String */
-val* VIRTUAL_string__AbstractString__to_lower(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__AbstractString__to_lower(self);
+/* method string#Text#is_numeric for (self: Object): Bool */
+short int VIRTUAL_string__Text__is_numeric(val* self) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+var1 = string__Text__is_numeric(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#trim for (self: AbstractString): String */
-val* string__AbstractString__trim(val* self) {
+/* method string#Text#to_cmangle for (self: Text): String */
+val* string__Text__to_cmangle(val* self) {
 val* var /* : String */;
-long var1 /* : Int */;
-long var2 /* : Int */;
-short int var3 /* : Bool */;
-short int var5 /* : Bool */;
-val* var6 /* : String */;
-long var7 /* : Int */;
-long var_start_pos /* var start_pos: Int */;
-val* var8 /* : nullable Object */;
-long var9 /* : Int */;
-char var11 /* : Char */;
-long var12 /* : Int */;
-long var13 /* : Int */;
-short int var14 /* : Bool */;
-short int var16 /* : Bool */;
+val* var1 /* : FlatBuffer */;
+val* var_res /* var res: FlatBuffer */;
+short int var2 /* : Bool */;
+short int var_underscore /* var underscore: Bool */;
+long var3 /* : Int */;
+long var_i /* var i: Int */;
+long var4 /* : Int */;
+long var6 /* : Int */;
+long var_ /* var : Int */;
+short int var7 /* : Bool */;
+short int var9 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
+short int var10 /* : Bool */;
+val* var11 /* : SequenceRead[Char] */;
+val* var12 /* : nullable Object */;
+char var13 /* : Char */;
+char var_c /* var c: Char */;
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
+char var16 /* : Char */;
 short int var17 /* : Bool */;
-long var18 /* : Int */;
-long var19 /* : Int */;
-long var21 /* : Int */;
-long var22 /* : Int */;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
+const char* var_class_name22;
 short int var23 /* : Bool */;
-short int var25 /* : Bool */;
-static val* varonce;
-val* var26 /* : String */;
-char* var27 /* : NativeString */;
-long var28 /* : Int */;
-val* var29 /* : String */;
-long var30 /* : Int */;
-long var31 /* : Int */;
-long var32 /* : Int */;
-long var34 /* : Int */;
-long var_end_pos /* var end_pos: Int */;
-val* var35 /* : nullable Object */;
-long var36 /* : Int */;
-char var38 /* : Char */;
-long var39 /* : Int */;
-long var40 /* : Int */;
-short int var41 /* : Bool */;
-short int var43 /* : Bool */;
-int cltype44;
-int idtype45;
-const char* var_class_name46;
+short int var_24 /* var : Bool */;
+char var25 /* : Char */;
+short int var26 /* : Bool */;
+short int var28 /* : Bool */;
+int cltype29;
+int idtype30;
+const char* var_class_name31;
+short int var32 /* : Bool */;
+short int var_33 /* var : Bool */;
+short int var34 /* : Bool */;
+char var35 /* : Char */;
+short int var36 /* : Bool */;
+short int var38 /* : Bool */;
+int cltype39;
+int idtype40;
+const char* var_class_name41;
+short int var42 /* : Bool */;
+short int var_43 /* var : Bool */;
+char var44 /* : Char */;
+short int var45 /* : Bool */;
 short int var47 /* : Bool */;
-long var48 /* : Int */;
-long var49 /* : Int */;
-long var51 /* : Int */;
+int cltype48;
+int idtype49;
+const char* var_class_name50;
+short int var51 /* : Bool */;
 short int var52 /* : Bool */;
-short int var54 /* : Bool */;
-val* var55 /* : nullable Object */;
-val* var56 /* : String */;
-char var57 /* : Char */;
-long var59 /* : Int */;
-long var61 /* : Int */;
-long var62 /* : Int */;
-long var63 /* : Int */;
-long var65 /* : Int */;
-val* var66 /* : String */;
-var1 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:AbstractString> */
+char var53 /* : Char */;
+long var54 /* : Int */;
+long var56 /* : Int */;
+val* var57 /* : String */;
+char var58 /* : Char */;
+short int var59 /* : Bool */;
+char var60 /* : Char */;
+short int var61 /* : Bool */;
+short int var63 /* : Bool */;
+int cltype64;
+int idtype65;
+const char* var_class_name66;
+short int var67 /* : Bool */;
+short int var_68 /* var : Bool */;
+char var69 /* : Char */;
+short int var70 /* : Bool */;
+short int var72 /* : Bool */;
+int cltype73;
+int idtype74;
+const char* var_class_name75;
+short int var76 /* : Bool */;
+short int var77 /* : Bool */;
+char var78 /* : Char */;
+short int var79 /* : Bool */;
+short int var80 /* : Bool */;
+short int var82 /* : Bool */;
+short int var83 /* : Bool */;
+char var84 /* : Char */;
+long var85 /* : Int */;
+long var87 /* : Int */;
+val* var88 /* : String */;
+char var89 /* : Char */;
+short int var90 /* : Bool */;
+long var91 /* : Int */;
+long var92 /* : Int */;
+val* var94 /* : String */;
+var1 = NEW_string__FlatBuffer(&type_string__FlatBuffer);
+{
+((void (*)(val*))(var1->class->vft[COLOR_kernel__Object__init]))(var1) /* init on <var1:FlatBuffer>*/;
+}
+var_res = var1;
 var2 = 0;
-{ /* Inline kernel#Int#== (var1,var2) */
-var5 = var1 == var2;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+var_underscore = var2;
+var3 = 0;
+var_i = var3;
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var6 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var4 = var6;
+RET_LABEL5:(void)0;
 }
-if (var3){
-var6 = ((val* (*)(val*))(self->class->vft[COLOR_string__Object__to_s]))(self) /* to_s on <self:AbstractString>*/;
-var = var6;
-goto RET_LABEL;
-} else {
 }
-var7 = 0;
-var_start_pos = var7;
+var_ = var4;
 for(;;) {
-var8 = ((val* (*)(val*, long))(self->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(self, var_start_pos) /* [] on <self:AbstractString>*/;
-{ /* Inline kernel#Char#ascii (var8) */
-var11 = ((struct instance_kernel__Char*)var8)->value; /* autounbox from nullable Object to Char */;
-var12 = (unsigned char)var11;
-var9 = var12;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
-}
-var13 = 32;
-{ /* Inline kernel#Int#<= (var9,var13) */
-/* Covariant cast for argument 0 (i) <var13:Int> isa OTHER */
-/* <var13:Int> isa OTHER */
-var16 = 1; /* easy <var13:Int> isa OTHER*/
-if (!var16) {
+{
+{ /* Inline kernel#Int#< (var_i,var_) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var9 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var9)) {
 var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 260);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
 show_backtrace(1);
 }
-var17 = var9 <= var13;
-var14 = var17;
-goto RET_LABEL15;
-RET_LABEL15:(void)0;
+var10 = var_i < var_;
+var7 = var10;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
 }
-if (!var14) break;
-var18 = 1;
-{ /* Inline kernel#Int#+ (var_start_pos,var18) */
-var21 = var_start_pos + var18;
-var19 = var21;
-goto RET_LABEL20;
-RET_LABEL20:(void)0;
 }
-var_start_pos = var19;
-var22 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:AbstractString> */
-{ /* Inline kernel#Int#== (var_start_pos,var22) */
-var25 = var_start_pos == var22;
-var23 = var25;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
+if (var7){
+{
+var11 = ((val* (*)(val*))(self->class->vft[COLOR_string__Text__chars]))(self) /* chars on <self:Text>*/;
+}
+{
+var12 = ((val* (*)(val*, long))(var11->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var11, var_i) /* [] on <var11:SequenceRead[Char]>*/;
+}
+var13 = ((struct instance_kernel__Char*)var12)->value; /* autounbox from nullable Object to Char */;
+var_c = var13;
+var16 = 'a';
+{
+{ /* Inline kernel#Char#>= (var_c,var16) on <var_c:Char> */
+/* Covariant cast for argument 0 (i) <var16:Char> isa OTHER */
+/* <var16:Char> isa OTHER */
+var19 = 1; /* easy <var16:Char> isa OTHER*/
+if (unlikely(!var19)) {
+var_class_name22 = type_kernel__Char.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name22);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 547);
+show_backtrace(1);
 }
-if (var23){
-if (varonce) {
-var26 = varonce;
-} else {
-var27 = "";
-var28 = 0;
-var29 = string__NativeString__to_s_with_length(var27, var28);
-var26 = var29;
-varonce = var26;
+var23 = var_c >= var16;
+var17 = var23;
+goto RET_LABEL18;
+RET_LABEL18:(void)0;
 }
-var = var26;
-goto RET_LABEL;
-} else {
 }
-CONTINUE_label: (void)0;
+var_24 = var17;
+if (var17){
+var25 = 'z';
+{
+{ /* Inline kernel#Char#<= (var_c,var25) on <var_c:Char> */
+/* Covariant cast for argument 0 (i) <var25:Char> isa OTHER */
+/* <var25:Char> isa OTHER */
+var28 = 1; /* easy <var25:Char> isa OTHER*/
+if (unlikely(!var28)) {
+var_class_name31 = type_kernel__Char.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name31);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 545);
+show_backtrace(1);
+}
+var32 = var_c <= var25;
+var26 = var32;
+goto RET_LABEL27;
+RET_LABEL27:(void)0;
 }
-BREAK_label: (void)0;
-var30 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:AbstractString>*/;
-var31 = 1;
-{ /* Inline kernel#Int#- (var30,var31) */
-var34 = var30 - var31;
-var32 = var34;
-goto RET_LABEL33;
-RET_LABEL33:(void)0;
 }
-var_end_pos = var32;
-for(;;) {
-var35 = ((val* (*)(val*, long))(self->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(self, var_end_pos) /* [] on <self:AbstractString>*/;
-{ /* Inline kernel#Char#ascii (var35) */
-var38 = ((struct instance_kernel__Char*)var35)->value; /* autounbox from nullable Object to Char */;
-var39 = (unsigned char)var38;
-var36 = var39;
+var15 = var26;
+} else {
+var15 = var_24;
+}
+var_33 = var15;
+if (var15){
+var14 = var_33;
+} else {
+var35 = 'A';
+{
+{ /* Inline kernel#Char#>= (var_c,var35) on <var_c:Char> */
+/* Covariant cast for argument 0 (i) <var35:Char> isa OTHER */
+/* <var35:Char> isa OTHER */
+var38 = 1; /* easy <var35:Char> isa OTHER*/
+if (unlikely(!var38)) {
+var_class_name41 = type_kernel__Char.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name41);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 547);
+show_backtrace(1);
+}
+var42 = var_c >= var35;
+var36 = var42;
 goto RET_LABEL37;
 RET_LABEL37:(void)0;
 }
-var40 = 32;
-{ /* Inline kernel#Int#<= (var36,var40) */
-/* Covariant cast for argument 0 (i) <var40:Int> isa OTHER */
-/* <var40:Int> isa OTHER */
-var43 = 1; /* easy <var40:Int> isa OTHER*/
-if (!var43) {
-var_class_name46 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name46);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 260);
+}
+var_43 = var36;
+if (var36){
+var44 = 'Z';
+{
+{ /* Inline kernel#Char#<= (var_c,var44) on <var_c:Char> */
+/* Covariant cast for argument 0 (i) <var44:Char> isa OTHER */
+/* <var44:Char> isa OTHER */
+var47 = 1; /* easy <var44:Char> isa OTHER*/
+if (unlikely(!var47)) {
+var_class_name50 = type_kernel__Char.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name50);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 545);
 show_backtrace(1);
 }
-var47 = var36 <= var40;
-var41 = var47;
-goto RET_LABEL42;
-RET_LABEL42:(void)0;
+var51 = var_c <= var44;
+var45 = var51;
+goto RET_LABEL46;
+RET_LABEL46:(void)0;
 }
-if (!var41) break;
-var48 = 1;
-{ /* Inline kernel#Int#- (var_end_pos,var48) */
-var51 = var_end_pos - var48;
-var49 = var51;
-goto RET_LABEL50;
-RET_LABEL50:(void)0;
-}
-var_end_pos = var49;
-{ /* Inline kernel#Int#== (var_end_pos,var_start_pos) */
-var54 = var_end_pos == var_start_pos;
-var52 = var54;
-goto RET_LABEL53;
-RET_LABEL53:(void)0;
 }
-if (var52){
-var55 = ((val* (*)(val*, long))(self->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(self, var_start_pos) /* [] on <self:AbstractString>*/;
-var57 = ((struct instance_kernel__Char*)var55)->value; /* autounbox from nullable Object to Char */;
-var56 = string__Char__to_s(var57);
-var = var56;
-goto RET_LABEL;
+var34 = var45;
 } else {
+var34 = var_43;
 }
-CONTINUE_label58: (void)0;
-}
-BREAK_label58: (void)0;
-{ /* Inline kernel#Int#- (var_end_pos,var_start_pos) */
-var61 = var_end_pos - var_start_pos;
-var59 = var61;
-goto RET_LABEL60;
-RET_LABEL60:(void)0;
+var14 = var34;
 }
-var62 = 1;
-{ /* Inline kernel#Int#+ (var59,var62) */
-var65 = var59 + var62;
-var63 = var65;
-goto RET_LABEL64;
-RET_LABEL64:(void)0;
+if (var14){
+{
+string__FlatBuffer__add(var_res, var_c); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
 }
-var66 = ((val* (*)(val*, long, long))(self->class->vft[COLOR_string__AbstractString__substring]))(self, var_start_pos, var63) /* substring on <self:AbstractString>*/;
-var = var66;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+var52 = 0;
+var_underscore = var52;
+goto BREAK_label;
+} else {
 }
-/* method string#AbstractString#trim for (self: Object): String */
-val* VIRTUAL_string__AbstractString__trim(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__AbstractString__trim(self);
-var = var1;
-RET_LABEL:;
-return var;
+if (var_underscore){
+var53 = '_';
+{
+{ /* Inline kernel#Char#ascii (var53) on <var53:Char> */
+var56 = (unsigned char)var53;
+var54 = var56;
+goto RET_LABEL55;
+RET_LABEL55:(void)0;
 }
-/* method string#AbstractString#output for (self: AbstractString) */
-void string__AbstractString__output(val* self) {
-long var /* : Int */;
-long var_i /* var i: Int */;
-long var1 /* : Int */;
-short int var2 /* : Bool */;
-short int var4 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var5 /* : Bool */;
-char* var6 /* : NativeString */;
-char var7 /* : Char */;
-char var9 /* : Char */;
-long var11 /* : Int */;
-long var12 /* : Int */;
-long var14 /* : Int */;
-var = 0;
-var_i = var;
-for(;;) {
-var1 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:AbstractString>*/;
-{ /* Inline kernel#Int#< (var_i,var1) */
-/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
-/* <var1:Int> isa OTHER */
-var4 = 1; /* easy <var1:Int> isa OTHER*/
-if (!var4) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
 }
-var5 = var_i < var1;
-var2 = var5;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+{
+var57 = string__Int__to_s(var54);
 }
-if (!var2) break;
-var6 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:AbstractString> */
-{ /* Inline string#NativeString#[] (var6,var_i) */
-var9 = var6[var_i];
-var7 = var9;
-goto RET_LABEL8;
-RET_LABEL8:(void)0;
+{
+string__FlatBuffer__append(var_res, var57); /* Direct call string#FlatBuffer#append on <var_res:FlatBuffer>*/
 }
-{ /* Inline kernel#Char#output (var7) */
-printf("%c", var7);
-RET_LABEL10:(void)0;
+var58 = 'd';
+{
+string__FlatBuffer__add(var_res, var58); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
 }
-var11 = 1;
-{ /* Inline kernel#Int#+ (var_i,var11) */
-var14 = var_i + var11;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
+} else {
 }
-var_i = var12;
-CONTINUE_label: (void)0;
+var60 = '0';
+{
+{ /* Inline kernel#Char#>= (var_c,var60) on <var_c:Char> */
+/* Covariant cast for argument 0 (i) <var60:Char> isa OTHER */
+/* <var60:Char> isa OTHER */
+var63 = 1; /* easy <var60:Char> isa OTHER*/
+if (unlikely(!var63)) {
+var_class_name66 = type_kernel__Char.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name66);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 547);
+show_backtrace(1);
 }
-BREAK_label: (void)0;
-RET_LABEL:;
+var67 = var_c >= var60;
+var61 = var67;
+goto RET_LABEL62;
+RET_LABEL62:(void)0;
 }
-/* method string#AbstractString#output for (self: Object) */
-void VIRTUAL_string__AbstractString__output(val* self) {
-string__AbstractString__output(self);
-RET_LABEL:;
 }
-/* method string#AbstractString#to_cmangle for (self: AbstractString): String */
-val* string__AbstractString__to_cmangle(val* self) {
-val* var /* : String */;
-val* var1 /* : Buffer */;
-val* var_res /* var res: Buffer */;
-short int var2 /* : Bool */;
-short int var_underscore /* var underscore: Bool */;
-val* var3 /* : Iterator[nullable Object] */;
-short int var4 /* : Bool */;
-val* var5 /* : nullable Object */;
-char var_c /* var c: Char */;
-char var6 /* : Char */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
-char var9 /* : Char */;
-short int var10 /* : Bool */;
-short int var12 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var13 /* : Bool */;
-short int var_ /* var : Bool */;
-char var14 /* : Char */;
-short int var15 /* : Bool */;
-short int var17 /* : Bool */;
-int cltype18;
-int idtype19;
-const char* var_class_name20;
-short int var21 /* : Bool */;
-short int var_22 /* var : Bool */;
-short int var23 /* : Bool */;
-char var24 /* : Char */;
-short int var25 /* : Bool */;
-short int var27 /* : Bool */;
-int cltype28;
-int idtype29;
-const char* var_class_name30;
-short int var31 /* : Bool */;
-short int var_32 /* var : Bool */;
-char var33 /* : Char */;
-short int var34 /* : Bool */;
-short int var36 /* : Bool */;
-int cltype37;
-int idtype38;
-const char* var_class_name39;
-short int var40 /* : Bool */;
-val* var41 /* : nullable Object */;
-short int var42 /* : Bool */;
-char var43 /* : Char */;
-long var44 /* : Int */;
-long var46 /* : Int */;
-val* var47 /* : String */;
-char var48 /* : Char */;
-val* var49 /* : nullable Object */;
-short int var50 /* : Bool */;
-char var51 /* : Char */;
-short int var52 /* : Bool */;
-short int var54 /* : Bool */;
-int cltype55;
-int idtype56;
-const char* var_class_name57;
-short int var58 /* : Bool */;
-short int var_59 /* var : Bool */;
-char var60 /* : Char */;
-short int var61 /* : Bool */;
-short int var63 /* : Bool */;
-int cltype64;
-int idtype65;
-const char* var_class_name66;
-short int var67 /* : Bool */;
-val* var68 /* : nullable Object */;
-short int var69 /* : Bool */;
-char var70 /* : Char */;
-short int var71 /* : Bool */;
-short int var73 /* : Bool */;
-val* var74 /* : nullable Object */;
-short int var75 /* : Bool */;
-char var76 /* : Char */;
-val* var77 /* : nullable Object */;
-long var78 /* : Int */;
-long var80 /* : Int */;
-val* var81 /* : String */;
-char var82 /* : Char */;
-val* var83 /* : nullable Object */;
-short int var84 /* : Bool */;
-val* var85 /* : String */;
-var1 = NEW_string__Buffer(&type_string__Buffer);
-((void (*)(val*))(var1->class->vft[COLOR_string__Buffer__init]))(var1) /* init on <var1:Buffer>*/;
-var_res = var1;
-var2 = 0;
-var_underscore = var2;
-var3 = ((val* (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__iterator]))(self) /* iterator on <self:AbstractString>*/;
-for(;;) {
-var4 = ((short int (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var3) /* is_ok on <var3:Iterator[nullable Object]>*/;
-if(!var4) break;
-var5 = ((val* (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__item]))(var3) /* item on <var3:Iterator[nullable Object]>*/;
-var6 = ((struct instance_kernel__Char*)var5)->value; /* autounbox from nullable Object to Char */;
-var_c = var6;
-var9 = 'a';
-{ /* Inline kernel#Char#>= (var_c,var9) */
-/* Covariant cast for argument 0 (i) <var9:Char> isa OTHER */
-/* <var9:Char> isa OTHER */
-var12 = 1; /* easy <var9:Char> isa OTHER*/
-if (!var12) {
-var_class_name = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 438);
+var_68 = var61;
+if (var61){
+var69 = '9';
+{
+{ /* Inline kernel#Char#<= (var_c,var69) on <var_c:Char> */
+/* Covariant cast for argument 0 (i) <var69:Char> isa OTHER */
+/* <var69:Char> isa OTHER */
+var72 = 1; /* easy <var69:Char> isa OTHER*/
+if (unlikely(!var72)) {
+var_class_name75 = type_kernel__Char.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name75);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 545);
 show_backtrace(1);
 }
-var13 = var_c >= var9;
-var10 = var13;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
-}
-var_ = var10;
-if (var10){
-var14 = 'z';
-{ /* Inline kernel#Char#<= (var_c,var14) */
-/* Covariant cast for argument 0 (i) <var14:Char> isa OTHER */
-/* <var14:Char> isa OTHER */
-var17 = 1; /* easy <var14:Char> isa OTHER*/
-if (!var17) {
-var_class_name20 = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name20);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 436);
-show_backtrace(1);
-}
-var21 = var_c <= var14;
-var15 = var21;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
+var76 = var_c <= var69;
+var70 = var76;
+goto RET_LABEL71;
+RET_LABEL71:(void)0;
 }
-var8 = var15;
-} else {
-var8 = var_;
 }
-var_22 = var8;
-if (var8){
-var7 = var_22;
+var59 = var70;
 } else {
-var24 = 'A';
-{ /* Inline kernel#Char#>= (var_c,var24) */
-/* Covariant cast for argument 0 (i) <var24:Char> isa OTHER */
-/* <var24:Char> isa OTHER */
-var27 = 1; /* easy <var24:Char> isa OTHER*/
-if (!var27) {
-var_class_name30 = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name30);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 438);
-show_backtrace(1);
-}
-var31 = var_c >= var24;
-var25 = var31;
-goto RET_LABEL26;
-RET_LABEL26:(void)0;
+var59 = var_68;
 }
-var_32 = var25;
-if (var25){
-var33 = 'Z';
-{ /* Inline kernel#Char#<= (var_c,var33) */
-/* Covariant cast for argument 0 (i) <var33:Char> isa OTHER */
-/* <var33:Char> isa OTHER */
-var36 = 1; /* easy <var33:Char> isa OTHER*/
-if (!var36) {
-var_class_name39 = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name39);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 436);
-show_backtrace(1);
-}
-var40 = var_c <= var33;
-var34 = var40;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
+if (var59){
+{
+string__FlatBuffer__add(var_res, var_c); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
 }
-var23 = var34;
+var77 = 0;
+var_underscore = var77;
 } else {
-var23 = var_32;
+var78 = '_';
+{
+{ /* Inline kernel#Char#== (var_c,var78) on <var_c:Char> */
+var82 = var_c == var78;
+var80 = var82;
+goto RET_LABEL81;
+RET_LABEL81:(void)0;
 }
-var7 = var23;
+var79 = var80;
 }
-if (var7){
-var41 = BOX_kernel__Char(var_c); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var41) /* add on <var_res:Buffer>*/;
-var42 = 0;
-var_underscore = var42;
-goto CONTINUE_label;
+if (var79){
+{
+string__FlatBuffer__add(var_res, var_c); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
+}
+var83 = 1;
+var_underscore = var83;
 } else {
+var84 = '_';
+{
+string__FlatBuffer__add(var_res, var84); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
 }
-if (var_underscore){
-var43 = '_';
-{ /* Inline kernel#Char#ascii (var43) */
-var46 = (unsigned char)var43;
-var44 = var46;
-goto RET_LABEL45;
-RET_LABEL45:(void)0;
+{
+{ /* Inline kernel#Char#ascii (var_c) on <var_c:Char> */
+var87 = (unsigned char)var_c;
+var85 = var87;
+goto RET_LABEL86;
+RET_LABEL86:(void)0;
 }
-var47 = string__Int__to_s(var44);
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__Sequence__append]))(var_res, var47) /* append on <var_res:Buffer>*/;
-var48 = 'd';
-var49 = BOX_kernel__Char(var48); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var49) /* add on <var_res:Buffer>*/;
-} else {
 }
-var51 = '0';
-{ /* Inline kernel#Char#>= (var_c,var51) */
-/* Covariant cast for argument 0 (i) <var51:Char> isa OTHER */
-/* <var51:Char> isa OTHER */
-var54 = 1; /* easy <var51:Char> isa OTHER*/
-if (!var54) {
-var_class_name57 = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name57);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 438);
-show_backtrace(1);
+{
+var88 = string__Int__to_s(var85);
 }
-var58 = var_c >= var51;
-var52 = var58;
-goto RET_LABEL53;
-RET_LABEL53:(void)0;
+{
+string__FlatBuffer__append(var_res, var88); /* Direct call string#FlatBuffer#append on <var_res:FlatBuffer>*/
 }
-var_59 = var52;
-if (var52){
-var60 = '9';
-{ /* Inline kernel#Char#<= (var_c,var60) */
-/* Covariant cast for argument 0 (i) <var60:Char> isa OTHER */
-/* <var60:Char> isa OTHER */
-var63 = 1; /* easy <var60:Char> isa OTHER*/
-if (!var63) {
-var_class_name66 = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name66);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 436);
-show_backtrace(1);
+var89 = 'd';
+{
+string__FlatBuffer__add(var_res, var89); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
 }
-var67 = var_c <= var60;
-var61 = var67;
-goto RET_LABEL62;
-RET_LABEL62:(void)0;
+var90 = 0;
+var_underscore = var90;
 }
-var50 = var61;
-} else {
-var50 = var_59;
 }
-if (var50){
-var68 = BOX_kernel__Char(var_c); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var68) /* add on <var_res:Buffer>*/;
-var69 = 0;
-var_underscore = var69;
-} else {
-var70 = '_';
-{ /* Inline kernel#Char#== (var_c,var70) */
-var73 = var_c == var70;
-var71 = var73;
-goto RET_LABEL72;
-RET_LABEL72:(void)0;
+BREAK_label: (void)0;
+var91 = 1;
+{
+var92 = kernel__Int__successor(var_i, var91);
 }
-if (var71){
-var74 = BOX_kernel__Char(var_c); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var74) /* add on <var_res:Buffer>*/;
-var75 = 1;
-var_underscore = var75;
+var_i = var92;
 } else {
-var76 = '_';
-var77 = BOX_kernel__Char(var76); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var77) /* add on <var_res:Buffer>*/;
-{ /* Inline kernel#Char#ascii (var_c) */
-var80 = (unsigned char)var_c;
-var78 = var80;
-goto RET_LABEL79;
-RET_LABEL79:(void)0;
-}
-var81 = string__Int__to_s(var78);
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__Sequence__append]))(var_res, var81) /* append on <var_res:Buffer>*/;
-var82 = 'd';
-var83 = BOX_kernel__Char(var82); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var83) /* add on <var_res:Buffer>*/;
-var84 = 0;
-var_underscore = var84;
+goto BREAK_label93;
 }
 }
-CONTINUE_label: (void)0;
-((void (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__next]))(var3) /* next on <var3:Iterator[nullable Object]>*/;
+BREAK_label93: (void)0;
+{
+var94 = string__FlatBuffer__to_s(var_res);
 }
-BREAK_label: (void)0;
-var85 = ((val* (*)(val*))(var_res->class->vft[COLOR_string__Object__to_s]))(var_res) /* to_s on <var_res:Buffer>*/;
-var = var85;
+var = var94;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#to_cmangle for (self: Object): String */
-val* VIRTUAL_string__AbstractString__to_cmangle(val* self) {
+/* method string#Text#to_cmangle for (self: Object): String */
+val* VIRTUAL_string__Text__to_cmangle(val* self) {
 val* var /* : String */;
 val* var1 /* : String */;
-var1 = string__AbstractString__to_cmangle(self);
+var1 = string__Text__to_cmangle(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#escape_to_c for (self: AbstractString): String */
-val* string__AbstractString__escape_to_c(val* self) {
+/* method string#Text#escape_to_c for (self: Text): String */
+val* string__Text__escape_to_c(val* self) {
 val* var /* : String */;
-val* var1 /* : Buffer */;
-val* var_b /* var b: Buffer */;
-val* var2 /* : Iterator[nullable Object] */;
-short int var3 /* : Bool */;
-val* var4 /* : nullable Object */;
-char var_c /* var c: Char */;
-char var5 /* : Char */;
-char var6 /* : Char */;
-short int var7 /* : Bool */;
+val* var1 /* : FlatBuffer */;
+val* var_b /* var b: FlatBuffer */;
+long var2 /* : Int */;
+long var_i /* var i: Int */;
+long var3 /* : Int */;
+long var5 /* : Int */;
+long var_ /* var : Int */;
+short int var6 /* : Bool */;
+short int var8 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
 short int var9 /* : Bool */;
-static val* varonce;
-val* var10 /* : String */;
-char* var11 /* : NativeString */;
-long var12 /* : Int */;
-val* var13 /* : String */;
-char var14 /* : Char */;
+val* var10 /* : SequenceRead[Char] */;
+val* var11 /* : nullable Object */;
+char var12 /* : Char */;
+char var_c /* var c: Char */;
+char var13 /* : Char */;
+short int var14 /* : Bool */;
 short int var15 /* : Bool */;
 short int var17 /* : Bool */;
-static val* varonce18;
-val* var19 /* : String */;
-char* var20 /* : NativeString */;
-long var21 /* : Int */;
-val* var22 /* : String */;
-char var23 /* : Char */;
+static val* varonce;
+val* var18 /* : String */;
+char* var19 /* : NativeString */;
+long var20 /* : Int */;
+val* var21 /* : FlatString */;
+char var22 /* : Char */;
+short int var23 /* : Bool */;
 short int var24 /* : Bool */;
 short int var26 /* : Bool */;
 static val* varonce27;
 val* var28 /* : String */;
 char* var29 /* : NativeString */;
 long var30 /* : Int */;
-val* var31 /* : String */;
+val* var31 /* : FlatString */;
 char var32 /* : Char */;
 short int var33 /* : Bool */;
-short int var35 /* : Bool */;
-static val* varonce36;
-val* var37 /* : String */;
-char* var38 /* : NativeString */;
-long var39 /* : Int */;
-val* var40 /* : String */;
-char var41 /* : Char */;
-short int var42 /* : Bool */;
+short int var34 /* : Bool */;
+short int var36 /* : Bool */;
+static val* varonce37;
+val* var38 /* : String */;
+char* var39 /* : NativeString */;
+long var40 /* : Int */;
+val* var41 /* : FlatString */;
+char var42 /* : Char */;
+short int var43 /* : Bool */;
 short int var44 /* : Bool */;
-static val* varonce45;
-val* var46 /* : String */;
-char* var47 /* : NativeString */;
-long var48 /* : Int */;
-val* var49 /* : String */;
+short int var46 /* : Bool */;
+static val* varonce47;
+val* var48 /* : String */;
+char* var49 /* : NativeString */;
 long var50 /* : Int */;
-long var52 /* : Int */;
-long var53 /* : Int */;
+val* var51 /* : FlatString */;
+char var52 /* : Char */;
+short int var53 /* : Bool */;
 short int var54 /* : Bool */;
 short int var56 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var57 /* : Bool */;
-static val* varonce58;
-val* var59 /* : String */;
-char* var60 /* : NativeString */;
-long var61 /* : Int */;
-val* var62 /* : String */;
-long var63 /* : Int */;
+static val* varonce57;
+val* var58 /* : String */;
+char* var59 /* : NativeString */;
+long var60 /* : Int */;
+val* var61 /* : FlatString */;
+long var62 /* : Int */;
+long var64 /* : Int */;
 long var65 /* : Int */;
-long var66 /* : Int */;
-short int var67 /* : Bool */;
-val* var68 /* : String */;
-val* var69 /* : Array[Object] */;
-long var70 /* : Int */;
-val* var71 /* : NativeArray[Object] */;
-val* var72 /* : String */;
-val* var73 /* : nullable Object */;
+short int var66 /* : Bool */;
+short int var68 /* : Bool */;
+int cltype69;
+int idtype70;
+const char* var_class_name71;
+short int var72 /* : Bool */;
+static val* varonce73;
 val* var74 /* : String */;
-var1 = NEW_string__Buffer(&type_string__Buffer);
-((void (*)(val*))(var1->class->vft[COLOR_string__Buffer__init]))(var1) /* init on <var1:Buffer>*/;
+char* var75 /* : NativeString */;
+long var76 /* : Int */;
+val* var77 /* : FlatString */;
+long var78 /* : Int */;
+long var80 /* : Int */;
+long var81 /* : Int */;
+short int var82 /* : Bool */;
+val* var83 /* : String */;
+val* var84 /* : Array[Object] */;
+long var85 /* : Int */;
+val* var86 /* : NativeArray[Object] */;
+val* var87 /* : String */;
+long var88 /* : Int */;
+long var89 /* : Int */;
+val* var90 /* : String */;
+var1 = NEW_string__FlatBuffer(&type_string__FlatBuffer);
+{
+((void (*)(val*))(var1->class->vft[COLOR_kernel__Object__init]))(var1) /* init on <var1:FlatBuffer>*/;
+}
 var_b = var1;
-var2 = ((val* (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__iterator]))(self) /* iterator on <self:AbstractString>*/;
+var2 = 0;
+var_i = var2;
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var5 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var3 = var5;
+RET_LABEL4:(void)0;
+}
+}
+var_ = var3;
 for(;;) {
-var3 = ((short int (*)(val*))(var2->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var2) /* is_ok on <var2:Iterator[nullable Object]>*/;
-if(!var3) break;
-var4 = ((val* (*)(val*))(var2->class->vft[COLOR_abstract_collection__Iterator__item]))(var2) /* item on <var2:Iterator[nullable Object]>*/;
-var5 = ((struct instance_kernel__Char*)var4)->value; /* autounbox from nullable Object to Char */;
-var_c = var5;
-var6 = '\n';
-{ /* Inline kernel#Char#== (var_c,var6) */
-var9 = var_c == var6;
-var7 = var9;
-goto RET_LABEL8;
-RET_LABEL8:(void)0;
+{
+{ /* Inline kernel#Int#< (var_i,var_) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var8 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var8)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
 }
-if (var7){
-if (varonce) {
-var10 = varonce;
-} else {
-var11 = "\\n";
-var12 = 2;
-var13 = string__NativeString__to_s_with_length(var11, var12);
-var10 = var13;
-varonce = var10;
+var9 = var_i < var_;
+var6 = var9;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
 }
-((void (*)(val*, val*))(var_b->class->vft[COLOR_abstract_collection__Sequence__append]))(var_b, var10) /* append on <var_b:Buffer>*/;
-} else {
-var14 = '\0';
-{ /* Inline kernel#Char#== (var_c,var14) */
-var17 = var_c == var14;
+}
+if (var6){
+{
+var10 = ((val* (*)(val*))(self->class->vft[COLOR_string__Text__chars]))(self) /* chars on <self:Text>*/;
+}
+{
+var11 = ((val* (*)(val*, long))(var10->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var10, var_i) /* [] on <var10:SequenceRead[Char]>*/;
+}
+var12 = ((struct instance_kernel__Char*)var11)->value; /* autounbox from nullable Object to Char */;
+var_c = var12;
+var13 = '\n';
+{
+{ /* Inline kernel#Char#== (var_c,var13) on <var_c:Char> */
+var17 = var_c == var13;
 var15 = var17;
 goto RET_LABEL16;
 RET_LABEL16:(void)0;
 }
-if (var15){
-if (varonce18) {
-var19 = varonce18;
+var14 = var15;
+}
+if (var14){
+if (varonce) {
+var18 = varonce;
 } else {
-var20 = "\\0";
-var21 = 2;
-var22 = string__NativeString__to_s_with_length(var20, var21);
-var19 = var22;
-varonce18 = var19;
+var19 = "\\n";
+var20 = 2;
+var21 = string__NativeString__to_s_with_length(var19, var20);
+var18 = var21;
+varonce = var18;
+}
+{
+string__FlatBuffer__append(var_b, var18); /* Direct call string#FlatBuffer#append on <var_b:FlatBuffer>*/
 }
-((void (*)(val*, val*))(var_b->class->vft[COLOR_abstract_collection__Sequence__append]))(var_b, var19) /* append on <var_b:Buffer>*/;
 } else {
-var23 = '\"';
-{ /* Inline kernel#Char#== (var_c,var23) */
-var26 = var_c == var23;
+var22 = '\0';
+{
+{ /* Inline kernel#Char#== (var_c,var22) on <var_c:Char> */
+var26 = var_c == var22;
 var24 = var26;
 goto RET_LABEL25;
 RET_LABEL25:(void)0;
 }
-if (var24){
+var23 = var24;
+}
+if (var23){
 if (varonce27) {
 var28 = varonce27;
 } else {
-var29 = "\\\"";
+var29 = "\\0";
 var30 = 2;
 var31 = string__NativeString__to_s_with_length(var29, var30);
 var28 = var31;
 varonce27 = var28;
 }
-((void (*)(val*, val*))(var_b->class->vft[COLOR_abstract_collection__Sequence__append]))(var_b, var28) /* append on <var_b:Buffer>*/;
+{
+string__FlatBuffer__append(var_b, var28); /* Direct call string#FlatBuffer#append on <var_b:FlatBuffer>*/
+}
 } else {
-var32 = '\'';
-{ /* Inline kernel#Char#== (var_c,var32) */
-var35 = var_c == var32;
-var33 = var35;
-goto RET_LABEL34;
-RET_LABEL34:(void)0;
+var32 = '\"';
+{
+{ /* Inline kernel#Char#== (var_c,var32) on <var_c:Char> */
+var36 = var_c == var32;
+var34 = var36;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
+}
+var33 = var34;
 }
 if (var33){
-if (varonce36) {
-var37 = varonce36;
+if (varonce37) {
+var38 = varonce37;
 } else {
-var38 = "\\\'";
-var39 = 2;
-var40 = string__NativeString__to_s_with_length(var38, var39);
-var37 = var40;
-varonce36 = var37;
+var39 = "\\\"";
+var40 = 2;
+var41 = string__NativeString__to_s_with_length(var39, var40);
+var38 = var41;
+varonce37 = var38;
 }
-((void (*)(val*, val*))(var_b->class->vft[COLOR_abstract_collection__Sequence__append]))(var_b, var37) /* append on <var_b:Buffer>*/;
-} else {
-var41 = '\\';
-{ /* Inline kernel#Char#== (var_c,var41) */
-var44 = var_c == var41;
-var42 = var44;
-goto RET_LABEL43;
-RET_LABEL43:(void)0;
+{
+string__FlatBuffer__append(var_b, var38); /* Direct call string#FlatBuffer#append on <var_b:FlatBuffer>*/
 }
-if (var42){
-if (varonce45) {
-var46 = varonce45;
 } else {
-var47 = "\\\\";
-var48 = 2;
-var49 = string__NativeString__to_s_with_length(var47, var48);
-var46 = var49;
-varonce45 = var46;
+var42 = '\'';
+{
+{ /* Inline kernel#Char#== (var_c,var42) on <var_c:Char> */
+var46 = var_c == var42;
+var44 = var46;
+goto RET_LABEL45;
+RET_LABEL45:(void)0;
 }
-((void (*)(val*, val*))(var_b->class->vft[COLOR_abstract_collection__Sequence__append]))(var_b, var46) /* append on <var_b:Buffer>*/;
+var43 = var44;
+}
+if (var43){
+if (varonce47) {
+var48 = varonce47;
 } else {
-{ /* Inline kernel#Char#ascii (var_c) */
-var52 = (unsigned char)var_c;
-var50 = var52;
-goto RET_LABEL51;
-RET_LABEL51:(void)0;
+var49 = "\\\'";
+var50 = 2;
+var51 = string__NativeString__to_s_with_length(var49, var50);
+var48 = var51;
+varonce47 = var48;
 }
-var53 = 32;
-{ /* Inline kernel#Int#< (var50,var53) */
-/* Covariant cast for argument 0 (i) <var53:Int> isa OTHER */
-/* <var53:Int> isa OTHER */
-var56 = 1; /* easy <var53:Int> isa OTHER*/
-if (!var56) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
+{
+string__FlatBuffer__append(var_b, var48); /* Direct call string#FlatBuffer#append on <var_b:FlatBuffer>*/
 }
-var57 = var50 < var53;
-var54 = var57;
+} else {
+var52 = '\\';
+{
+{ /* Inline kernel#Char#== (var_c,var52) on <var_c:Char> */
+var56 = var_c == var52;
+var54 = var56;
 goto RET_LABEL55;
 RET_LABEL55:(void)0;
 }
-if (var54){
-if (varonce58) {
-var59 = varonce58;
-} else {
-var60 = "\\";
-var61 = 1;
-var62 = string__NativeString__to_s_with_length(var60, var61);
-var59 = var62;
-varonce58 = var59;
+var53 = var54;
 }
-{ /* Inline kernel#Char#ascii (var_c) */
-var65 = (unsigned char)var_c;
-var63 = var65;
-goto RET_LABEL64;
-RET_LABEL64:(void)0;
+if (var53){
+if (varonce57) {
+var58 = varonce57;
+} else {
+var59 = "\\\\";
+var60 = 2;
+var61 = string__NativeString__to_s_with_length(var59, var60);
+var58 = var61;
+varonce57 = var58;
 }
-var66 = 8;
-var67 = 0;
-var68 = string__Int__to_base(var63, var66, var67);
-var69 = NEW_array__Array(&type_array__Arraykernel__Object);
-{ /* var69 = array_instance Array[Object] */
-var70 = 2;
-var71 = NEW_array__NativeArray(var70, &type_array__NativeArraykernel__Object);
-((struct instance_array__NativeArray*)var71)->values[0] = (val*) var59;
-((struct instance_array__NativeArray*)var71)->values[1] = (val*) var68;
-((void (*)(val*, val*, long))(var69->class->vft[COLOR_array__Array__with_native]))(var69, var71, var70) /* with_native on <var69:Array[Object]>*/;
+{
+string__FlatBuffer__append(var_b, var58); /* Direct call string#FlatBuffer#append on <var_b:FlatBuffer>*/
 }
-var72 = ((val* (*)(val*))(var69->class->vft[COLOR_string__Object__to_s]))(var69) /* to_s on <var69:Array[Object]>*/;
-((void (*)(val*, val*))(var_b->class->vft[COLOR_abstract_collection__Sequence__append]))(var_b, var72) /* append on <var_b:Buffer>*/;
 } else {
-var73 = BOX_kernel__Char(var_c); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_b->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_b, var73) /* add on <var_b:Buffer>*/;
+{
+{ /* Inline kernel#Char#ascii (var_c) on <var_c:Char> */
+var64 = (unsigned char)var_c;
+var62 = var64;
+goto RET_LABEL63;
+RET_LABEL63:(void)0;
 }
 }
+var65 = 32;
+{
+{ /* Inline kernel#Int#< (var62,var65) on <var62:Int> */
+/* Covariant cast for argument 0 (i) <var65:Int> isa OTHER */
+/* <var65:Int> isa OTHER */
+var68 = 1; /* easy <var65:Int> isa OTHER*/
+if (unlikely(!var68)) {
+var_class_name71 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name71);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
 }
+var72 = var62 < var65;
+var66 = var72;
+goto RET_LABEL67;
+RET_LABEL67:(void)0;
 }
 }
+if (var66){
+if (varonce73) {
+var74 = varonce73;
+} else {
+var75 = "\\";
+var76 = 1;
+var77 = string__NativeString__to_s_with_length(var75, var76);
+var74 = var77;
+varonce73 = var74;
 }
-CONTINUE_label: (void)0;
-((void (*)(val*))(var2->class->vft[COLOR_abstract_collection__Iterator__next]))(var2) /* next on <var2:Iterator[nullable Object]>*/;
+{
+{ /* Inline kernel#Char#ascii (var_c) on <var_c:Char> */
+var80 = (unsigned char)var_c;
+var78 = var80;
+goto RET_LABEL79;
+RET_LABEL79:(void)0;
 }
-BREAK_label: (void)0;
-var74 = ((val* (*)(val*))(var_b->class->vft[COLOR_string__Object__to_s]))(var_b) /* to_s on <var_b:Buffer>*/;
-var = var74;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
 }
-/* method string#AbstractString#escape_to_c for (self: Object): String */
-val* VIRTUAL_string__AbstractString__escape_to_c(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__AbstractString__escape_to_c(self);
-var = var1;
-RET_LABEL:;
-return var;
+var81 = 8;
+var82 = 0;
+{
+var83 = string__Int__to_base(var78, var81, var82);
+}
+var84 = NEW_array__Array(&type_array__Arraykernel__Object);
+{ /* var84 = array_instance Array[Object] */
+var85 = 2;
+var86 = NEW_array__NativeArray(var85, &type_array__NativeArraykernel__Object);
+((struct instance_array__NativeArray*)var86)->values[0] = (val*) var74;
+((struct instance_array__NativeArray*)var86)->values[1] = (val*) var83;
+{
+((void (*)(val*, val*, long))(var84->class->vft[COLOR_array__Array__with_native]))(var84, var86, var85) /* with_native on <var84:Array[Object]>*/;
+}
+}
+{
+var87 = ((val* (*)(val*))(var84->class->vft[COLOR_string__Object__to_s]))(var84) /* to_s on <var84:Array[Object]>*/;
+}
+{
+string__FlatBuffer__append(var_b, var87); /* Direct call string#FlatBuffer#append on <var_b:FlatBuffer>*/
 }
-/* method string#AbstractString#escape_more_to_c for (self: AbstractString, String): String */
-val* string__AbstractString__escape_more_to_c(val* self, val* p0) {
-val* var /* : String */;
-val* var_chars /* var chars: String */;
-val* var1 /* : Buffer */;
-val* var_b /* var b: Buffer */;
-val* var2 /* : String */;
-val* var3 /* : Iterator[nullable Object] */;
-short int var4 /* : Bool */;
-val* var5 /* : nullable Object */;
-char var_c /* var c: Char */;
-char var6 /* : Char */;
-short int var7 /* : Bool */;
-val* var8 /* : nullable Object */;
-char var9 /* : Char */;
-val* var10 /* : nullable Object */;
-val* var11 /* : nullable Object */;
-val* var12 /* : String */;
-var_chars = p0;
-var1 = NEW_string__Buffer(&type_string__Buffer);
-((void (*)(val*))(var1->class->vft[COLOR_string__Buffer__init]))(var1) /* init on <var1:Buffer>*/;
-var_b = var1;
-var2 = ((val* (*)(val*))(self->class->vft[COLOR_string__AbstractString__escape_to_c]))(self) /* escape_to_c on <self:AbstractString>*/;
-var3 = ((val* (*)(val*))(var2->class->vft[COLOR_abstract_collection__Collection__iterator]))(var2) /* iterator on <var2:String>*/;
-for(;;) {
-var4 = ((short int (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var3) /* is_ok on <var3:Iterator[nullable Object]>*/;
-if(!var4) break;
-var5 = ((val* (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__item]))(var3) /* item on <var3:Iterator[nullable Object]>*/;
-var6 = ((struct instance_kernel__Char*)var5)->value; /* autounbox from nullable Object to Char */;
-var_c = var6;
-var8 = BOX_kernel__Char(var_c); /* autobox from Char to nullable Object */
-var7 = ((short int (*)(val*, val*))(var_chars->class->vft[COLOR_abstract_collection__Collection__has]))(var_chars, var8) /* has on <var_chars:String>*/;
-if (var7){
-var9 = '\\';
-var10 = BOX_kernel__Char(var9); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_b->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_b, var10) /* add on <var_b:Buffer>*/;
 } else {
+{
+string__FlatBuffer__add(var_b, var_c); /* Direct call string#FlatBuffer#add on <var_b:FlatBuffer>*/
 }
-var11 = BOX_kernel__Char(var_c); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_b->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_b, var11) /* add on <var_b:Buffer>*/;
-CONTINUE_label: (void)0;
-((void (*)(val*))(var3->class->vft[COLOR_abstract_collection__Iterator__next]))(var3) /* next on <var3:Iterator[nullable Object]>*/;
 }
-BREAK_label: (void)0;
-var12 = ((val* (*)(val*))(var_b->class->vft[COLOR_string__Object__to_s]))(var_b) /* to_s on <var_b:Buffer>*/;
-var = var12;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
 }
-/* method string#AbstractString#escape_more_to_c for (self: Object, String): String */
-val* VIRTUAL_string__AbstractString__escape_more_to_c(val* self, val* p0) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__AbstractString__escape_more_to_c(self, p0);
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#AbstractString#escape_to_nit for (self: AbstractString): String */
-val* string__AbstractString__escape_to_nit(val* self) {
-val* var /* : String */;
-static val* varonce;
-val* var1 /* : String */;
-char* var2 /* : NativeString */;
-long var3 /* : Int */;
-val* var4 /* : String */;
-val* var5 /* : String */;
-if (varonce) {
-var1 = varonce;
+}
+}
+}
+var88 = 1;
+{
+var89 = kernel__Int__successor(var_i, var88);
+}
+var_i = var89;
 } else {
-var2 = "{}";
-var3 = 2;
-var4 = string__NativeString__to_s_with_length(var2, var3);
-var1 = var4;
-varonce = var1;
+goto BREAK_label;
 }
-var5 = ((val* (*)(val*, val*))(self->class->vft[COLOR_string__AbstractString__escape_more_to_c]))(self, var1) /* escape_more_to_c on <self:AbstractString>*/;
-var = var5;
+}
+BREAK_label: (void)0;
+{
+var90 = string__FlatBuffer__to_s(var_b);
+}
+var = var90;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#escape_to_nit for (self: Object): String */
-val* VIRTUAL_string__AbstractString__escape_to_nit(val* self) {
+/* method string#Text#escape_to_c for (self: Object): String */
+val* VIRTUAL_string__Text__escape_to_c(val* self) {
 val* var /* : String */;
 val* var1 /* : String */;
-var1 = string__AbstractString__escape_to_nit(self);
+var1 = string__Text__escape_to_c(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#unescape_nit for (self: AbstractString): String */
-val* string__AbstractString__unescape_nit(val* self) {
+/* method string#Text#unescape_nit for (self: Text): String */
+val* string__Text__unescape_nit(val* self) {
 val* var /* : String */;
-val* var1 /* : Buffer */;
+val* var1 /* : FlatBuffer */;
 long var2 /* : Int */;
-val* var_res /* var res: Buffer */;
-short int var3 /* : Bool */;
-short int var_was_slash /* var was_slash: Bool */;
-val* var4 /* : Iterator[nullable Object] */;
+long var4 /* : Int */;
+val* var_res /* var res: FlatBuffer */;
 short int var5 /* : Bool */;
-val* var6 /* : nullable Object */;
-char var_c /* var c: Char */;
-char var7 /* : Char */;
-short int var8 /* : Bool */;
-char var9 /* : Char */;
+short int var_was_slash /* var was_slash: Bool */;
+long var6 /* : Int */;
+long var_i /* var i: Int */;
+long var7 /* : Int */;
+long var9 /* : Int */;
+long var_ /* var : Int */;
 short int var10 /* : Bool */;
 short int var12 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
 short int var13 /* : Bool */;
-val* var14 /* : nullable Object */;
-short int var15 /* : Bool */;
+val* var14 /* : SequenceRead[Char] */;
+val* var15 /* : nullable Object */;
 char var16 /* : Char */;
+char var_c /* var c: Char */;
 short int var17 /* : Bool */;
+char var18 /* : Char */;
 short int var19 /* : Bool */;
-char var20 /* : Char */;
-val* var21 /* : nullable Object */;
-char var22 /* : Char */;
+short int var20 /* : Bool */;
+short int var22 /* : Bool */;
 short int var23 /* : Bool */;
-short int var25 /* : Bool */;
-char var26 /* : Char */;
-val* var27 /* : nullable Object */;
-char var28 /* : Char */;
+short int var24 /* : Bool */;
+char var25 /* : Char */;
+short int var26 /* : Bool */;
+short int var27 /* : Bool */;
 short int var29 /* : Bool */;
-short int var31 /* : Bool */;
-char var32 /* : Char */;
-val* var33 /* : nullable Object */;
-char var34 /* : Char */;
+char var30 /* : Char */;
+char var31 /* : Char */;
+short int var32 /* : Bool */;
+short int var33 /* : Bool */;
 short int var35 /* : Bool */;
-short int var37 /* : Bool */;
-char var38 /* : Char */;
-val* var39 /* : nullable Object */;
-val* var40 /* : nullable Object */;
-val* var41 /* : String */;
-var1 = NEW_string__Buffer(&type_string__Buffer);
-var2 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:AbstractString>*/;
-((void (*)(val*, long))(var1->class->vft[COLOR_string__Buffer__with_capacity]))(var1, var2) /* with_capacity on <var1:Buffer>*/;
+char var36 /* : Char */;
+char var37 /* : Char */;
+short int var38 /* : Bool */;
+short int var39 /* : Bool */;
+short int var41 /* : Bool */;
+char var42 /* : Char */;
+char var43 /* : Char */;
+short int var44 /* : Bool */;
+short int var45 /* : Bool */;
+short int var47 /* : Bool */;
+char var48 /* : Char */;
+long var49 /* : Int */;
+long var50 /* : Int */;
+val* var52 /* : String */;
+var1 = NEW_string__FlatBuffer(&type_string__FlatBuffer);
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var4 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var2 = var4;
+RET_LABEL3:(void)0;
+}
+}
+{
+string__FlatBuffer__with_capacity(var1, var2); /* Direct call string#FlatBuffer#with_capacity on <var1:FlatBuffer>*/
+}
 var_res = var1;
-var3 = 0;
-var_was_slash = var3;
-var4 = ((val* (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__iterator]))(self) /* iterator on <self:AbstractString>*/;
+var5 = 0;
+var_was_slash = var5;
+var6 = 0;
+var_i = var6;
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var9 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var7 = var9;
+RET_LABEL8:(void)0;
+}
+}
+var_ = var7;
 for(;;) {
-var5 = ((short int (*)(val*))(var4->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var4) /* is_ok on <var4:Iterator[nullable Object]>*/;
-if(!var5) break;
-var6 = ((val* (*)(val*))(var4->class->vft[COLOR_abstract_collection__Iterator__item]))(var4) /* item on <var4:Iterator[nullable Object]>*/;
-var7 = ((struct instance_kernel__Char*)var6)->value; /* autounbox from nullable Object to Char */;
-var_c = var7;
-var8 = !var_was_slash;
-if (var8){
-var9 = '\\';
-{ /* Inline kernel#Char#== (var_c,var9) */
-var12 = var_c == var9;
-var10 = var12;
+{
+{ /* Inline kernel#Int#< (var_i,var_) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var12 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var12)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var13 = var_i < var_;
+var10 = var13;
 goto RET_LABEL11;
 RET_LABEL11:(void)0;
 }
-if (var10){
-var13 = 1;
-var_was_slash = var13;
-} else {
-var14 = BOX_kernel__Char(var_c); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var14) /* add on <var_res:Buffer>*/;
 }
-goto CONTINUE_label;
-} else {
+if (var10){
+{
+var14 = ((val* (*)(val*))(self->class->vft[COLOR_string__Text__chars]))(self) /* chars on <self:Text>*/;
 }
-var15 = 0;
-var_was_slash = var15;
-var16 = 'n';
-{ /* Inline kernel#Char#== (var_c,var16) */
-var19 = var_c == var16;
-var17 = var19;
-goto RET_LABEL18;
-RET_LABEL18:(void)0;
+{
+var15 = ((val* (*)(val*, long))(var14->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var14, var_i) /* [] on <var14:SequenceRead[Char]>*/;
 }
+var16 = ((struct instance_kernel__Char*)var15)->value; /* autounbox from nullable Object to Char */;
+var_c = var16;
+var17 = !var_was_slash;
 if (var17){
-var20 = '\n';
-var21 = BOX_kernel__Char(var20); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var21) /* add on <var_res:Buffer>*/;
-} else {
-var22 = 'r';
-{ /* Inline kernel#Char#== (var_c,var22) */
-var25 = var_c == var22;
-var23 = var25;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
-}
-if (var23){
-var26 = '\15';
-var27 = BOX_kernel__Char(var26); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var27) /* add on <var_res:Buffer>*/;
-} else {
-var28 = 't';
-{ /* Inline kernel#Char#== (var_c,var28) */
-var31 = var_c == var28;
-var29 = var31;
-goto RET_LABEL30;
-RET_LABEL30:(void)0;
+var18 = '\\';
+{
+{ /* Inline kernel#Char#== (var_c,var18) on <var_c:Char> */
+var22 = var_c == var18;
+var20 = var22;
+goto RET_LABEL21;
+RET_LABEL21:(void)0;
 }
-if (var29){
-var32 = '\11';
-var33 = BOX_kernel__Char(var32); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var33) /* add on <var_res:Buffer>*/;
-} else {
-var34 = '0';
-{ /* Inline kernel#Char#== (var_c,var34) */
-var37 = var_c == var34;
-var35 = var37;
-goto RET_LABEL36;
-RET_LABEL36:(void)0;
+var19 = var20;
 }
-if (var35){
-var38 = '\0';
-var39 = BOX_kernel__Char(var38); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var39) /* add on <var_res:Buffer>*/;
+if (var19){
+var23 = 1;
+var_was_slash = var23;
 } else {
-var40 = BOX_kernel__Char(var_c); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_res->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_res, var40) /* add on <var_res:Buffer>*/;
-}
+{
+string__FlatBuffer__add(var_res, var_c); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
+}
+}
+goto BREAK_label;
+} else {
+}
+var24 = 0;
+var_was_slash = var24;
+var25 = 'n';
+{
+{ /* Inline kernel#Char#== (var_c,var25) on <var_c:Char> */
+var29 = var_c == var25;
+var27 = var29;
+goto RET_LABEL28;
+RET_LABEL28:(void)0;
+}
+var26 = var27;
+}
+if (var26){
+var30 = '\n';
+{
+string__FlatBuffer__add(var_res, var30); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
+}
+} else {
+var31 = 'r';
+{
+{ /* Inline kernel#Char#== (var_c,var31) on <var_c:Char> */
+var35 = var_c == var31;
+var33 = var35;
+goto RET_LABEL34;
+RET_LABEL34:(void)0;
+}
+var32 = var33;
+}
+if (var32){
+var36 = '\15';
+{
+string__FlatBuffer__add(var_res, var36); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
+}
+} else {
+var37 = 't';
+{
+{ /* Inline kernel#Char#== (var_c,var37) on <var_c:Char> */
+var41 = var_c == var37;
+var39 = var41;
+goto RET_LABEL40;
+RET_LABEL40:(void)0;
+}
+var38 = var39;
+}
+if (var38){
+var42 = '\11';
+{
+string__FlatBuffer__add(var_res, var42); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
+}
+} else {
+var43 = '0';
+{
+{ /* Inline kernel#Char#== (var_c,var43) on <var_c:Char> */
+var47 = var_c == var43;
+var45 = var47;
+goto RET_LABEL46;
+RET_LABEL46:(void)0;
+}
+var44 = var45;
+}
+if (var44){
+var48 = '\0';
+{
+string__FlatBuffer__add(var_res, var48); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
+}
+} else {
+{
+string__FlatBuffer__add(var_res, var_c); /* Direct call string#FlatBuffer#add on <var_res:FlatBuffer>*/
+}
 }
 }
 }
-CONTINUE_label: (void)0;
-((void (*)(val*))(var4->class->vft[COLOR_abstract_collection__Iterator__next]))(var4) /* next on <var4:Iterator[nullable Object]>*/;
 }
 BREAK_label: (void)0;
-var41 = ((val* (*)(val*))(var_res->class->vft[COLOR_string__Object__to_s]))(var_res) /* to_s on <var_res:Buffer>*/;
-var = var41;
+var49 = 1;
+{
+var50 = kernel__Int__successor(var_i, var49);
+}
+var_i = var50;
+} else {
+goto BREAK_label51;
+}
+}
+BREAK_label51: (void)0;
+{
+var52 = string__FlatBuffer__to_s(var_res);
+}
+var = var52;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#unescape_nit for (self: Object): String */
-val* VIRTUAL_string__AbstractString__unescape_nit(val* self) {
+/* method string#Text#unescape_nit for (self: Object): String */
+val* VIRTUAL_string__Text__unescape_nit(val* self) {
 val* var /* : String */;
 val* var1 /* : String */;
-var1 = string__AbstractString__unescape_nit(self);
+var1 = string__Text__unescape_nit(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#AbstractString#init for (self: AbstractString) */
-void string__AbstractString__init(val* self) {
-((void (*)(val*))(self->class->vft[COLOR_array__AbstractArrayRead__init]))(self) /* init on <self:AbstractString>*/;
-RET_LABEL:;
+/* method string#Text#== for (self: Text, nullable Object): Bool */
+short int string__Text___61d_61d(val* self, val* p0) {
+short int var /* : Bool */;
+val* var_o /* var o: nullable Object */;
+val* var1 /* : null */;
+short int var2 /* : Bool */;
+short int var3 /* : Bool */;
+short int var4 /* : Bool */;
+short int var5 /* : Bool */;
+int cltype;
+int idtype;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+short int var8 /* : Bool */;
+short int var10 /* : Bool */;
+short int var11 /* : Bool */;
+long var12 /* : Int */;
+long var14 /* : Int */;
+long var15 /* : Int */;
+long var17 /* : Int */;
+short int var18 /* : Bool */;
+short int var19 /* : Bool */;
+short int var21 /* : Bool */;
+short int var22 /* : Bool */;
+short int var23 /* : Bool */;
+val* var24 /* : SequenceRead[Char] */;
+val* var25 /* : SequenceRead[Char] */;
+short int var26 /* : Bool */;
+short int var27 /* : Bool */;
+var_o = p0;
+var1 = NULL;
+if (var_o == NULL) {
+var2 = 1; /* is null */
+} else {
+var2 = 0; /* arg is null but recv is not */
 }
-/* method string#AbstractString#init for (self: Object) */
-void VIRTUAL_string__AbstractString__init(val* self) {
-string__AbstractString__init(self);
-RET_LABEL:;
+if (0) {
+var3 = ((short int (*)(val*, val*))(var_o->class->vft[COLOR_kernel__Object___61d_61d]))(var_o, var1) /* == on <var_o:nullable Object>*/;
+var2 = var3;
 }
-/* method string#String#index_from for (self: String): Int */
-long string__String__index_from(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-var = var1;
-RET_LABEL:;
-return var;
+if (var2){
+var4 = 0;
+var = var4;
+goto RET_LABEL;
+} else {
 }
-/* method string#String#index_from for (self: Object): Int */
-long VIRTUAL_string__String__index_from(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = string__String__index_from(self);
-var = var1;
-RET_LABEL:;
-return var;
+/* <var_o:nullable Object(Object)> isa Text */
+cltype = type_string__Text.color;
+idtype = type_string__Text.id;
+if(cltype >= var_o->type->table_size) {
+var5 = 0;
+} else {
+var5 = var_o->type->type_table[cltype] == idtype;
 }
-/* method string#String#index_to for (self: String): Int */
-long string__String__index_to(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = self->attrs[COLOR_string__String___index_to].l; /* _index_to on <self:String> */
-var = var1;
+var6 = !var5;
+if (var6){
+var7 = 0;
+var = var7;
+goto RET_LABEL;
+} else {
+}
+{
+{ /* Inline kernel#Object#is_same_instance (self,var_o) on <self:Text> */
+var10 = self == var_o;
+var8 = var10;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
+}
+}
+if (var8){
+var11 = 1;
+var = var11;
+goto RET_LABEL;
+} else {
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var14 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var12 = var14;
+RET_LABEL13:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (var_o) on <var_o:nullable Object(Text)> */
+var17 = var_o->attrs[COLOR_string__FlatText___length].l; /* _length on <var_o:nullable Object(Text)> */
+var15 = var17;
+RET_LABEL16:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#!= (var12,var15) on <var12:Int> */
+var21 = var12 == var15;
+var22 = !var21;
+var19 = var22;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
+}
+var18 = var19;
+}
+if (var18){
+var23 = 0;
+var = var23;
+goto RET_LABEL;
+} else {
+}
+{
+var24 = ((val* (*)(val*))(self->class->vft[COLOR_string__Text__chars]))(self) /* chars on <self:Text>*/;
+}
+{
+var25 = ((val* (*)(val*))(var_o->class->vft[COLOR_string__Text__chars]))(var_o) /* chars on <var_o:nullable Object(Text)>*/;
+}
+{
+var27 = ((short int (*)(val*, val*))(var24->class->vft[COLOR_kernel__Object___61d_61d]))(var24, var25) /* == on <var24:SequenceRead[Char]>*/;
+var26 = var27;
+}
+var = var26;
+goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#String#index_to for (self: Object): Int */
-long VIRTUAL_string__String__index_to(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = string__String__index_to(self);
+/* method string#Text#== for (self: Object, nullable Object): Bool */
+short int VIRTUAL_string__Text___61d_61d(val* self, val* p0) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+var1 = string__Text___61d_61d(self, p0);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#String#[] for (self: String, Int): Char */
-char string__String___91d_93d(val* self, long p0) {
-char var /* : Char */;
-long var_index /* var index: Int */;
-long var1 /* : Int */;
-short int var2 /* : Bool */;
-short int var4 /* : Bool */;
+/* method string#Text#< for (self: Text, Text): Bool */
+short int string__Text___60d(val* self, val* p0) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
 int cltype;
 int idtype;
+const struct type* type_struct;
 const char* var_class_name;
-short int var5 /* : Bool */;
-long var6 /* : Int */;
-long var7 /* : Int */;
-long var9 /* : Int */;
-long var10 /* : Int */;
+val* var_other /* var other: Text */;
+val* var2 /* : SequenceRead[Char] */;
+val* var3 /* : Iterator[nullable Object] */;
+val* var_self_chars /* var self_chars: IndexedIterator[Char] */;
+val* var4 /* : SequenceRead[Char] */;
+val* var5 /* : Iterator[nullable Object] */;
+val* var_other_chars /* var other_chars: IndexedIterator[Char] */;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+short int var_ /* var : Bool */;
+short int var8 /* : Bool */;
+val* var9 /* : nullable Object */;
+val* var10 /* : nullable Object */;
 short int var11 /* : Bool */;
 short int var13 /* : Bool */;
 int cltype14;
 int idtype15;
 const char* var_class_name16;
-short int var17 /* : Bool */;
-char* var18 /* : NativeString */;
-long var19 /* : Int */;
-long var20 /* : Int */;
-long var22 /* : Int */;
-char var23 /* : Char */;
-char var25 /* : Char */;
-var_index = p0;
+char var17 /* : Char */;
+char var18 /* : Char */;
+short int var19 /* : Bool */;
+short int var20 /* : Bool */;
+val* var21 /* : nullable Object */;
+val* var22 /* : nullable Object */;
+short int var23 /* : Bool */;
+short int var25 /* : Bool */;
+int cltype26;
+int idtype27;
+const char* var_class_name28;
+char var29 /* : Char */;
+char var30 /* : Char */;
+short int var31 /* : Bool */;
+short int var32 /* : Bool */;
+short int var33 /* : Bool */;
+short int var34 /* : Bool */;
+short int var35 /* : Bool */;
+/* Covariant cast for argument 0 (other) <p0:Text> isa OTHER */
+/* <p0:Text> isa OTHER */
+type_struct = self->type->resolution_table->types[COLOR_kernel__Comparable_VTOTHER];
+cltype = type_struct->color;
+idtype = type_struct->id;
+if(cltype >= p0->type->table_size) {
 var1 = 0;
-{ /* Inline kernel#Int#>= (var_index,var1) */
-/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
-/* <var1:Int> isa OTHER */
-var4 = 1; /* easy <var1:Int> isa OTHER*/
-if (!var4) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 262);
+} else {
+var1 = p0->type->type_table[cltype] == idtype;
+}
+if (unlikely(!var1)) {
+var_class_name = p0 == NULL ? "null" : p0->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 648);
 show_backtrace(1);
 }
-var5 = var_index >= var1;
-var2 = var5;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+var_other = p0;
+{
+var2 = ((val* (*)(val*))(self->class->vft[COLOR_string__Text__chars]))(self) /* chars on <self:Text>*/;
 }
-if (!var2) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 379);
-show_backtrace(1);
+{
+var3 = ((val* (*)(val*))(var2->class->vft[COLOR_abstract_collection__Collection__iterator]))(var2) /* iterator on <var2:SequenceRead[Char]>*/;
 }
-var6 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-{ /* Inline kernel#Int#+ (var_index,var6) */
-var9 = var_index + var6;
-var7 = var9;
-goto RET_LABEL8;
-RET_LABEL8:(void)0;
+var_self_chars = var3;
+{
+var4 = ((val* (*)(val*))(var_other->class->vft[COLOR_string__Text__chars]))(var_other) /* chars on <var_other:Text>*/;
 }
-var10 = self->attrs[COLOR_string__String___index_to].l; /* _index_to on <self:String> */
-{ /* Inline kernel#Int#<= (var7,var10) */
-/* Covariant cast for argument 0 (i) <var10:Int> isa OTHER */
-/* <var10:Int> isa OTHER */
-var13 = 1; /* easy <var10:Int> isa OTHER*/
-if (!var13) {
-var_class_name16 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name16);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 260);
+{
+var5 = ((val* (*)(val*))(var4->class->vft[COLOR_abstract_collection__Collection__iterator]))(var4) /* iterator on <var4:SequenceRead[Char]>*/;
+}
+var_other_chars = var5;
+for(;;) {
+{
+var7 = ((short int (*)(val*))(var_self_chars->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var_self_chars) /* is_ok on <var_self_chars:IndexedIterator[Char]>*/;
+}
+var_ = var7;
+if (var7){
+{
+var8 = ((short int (*)(val*))(var_other_chars->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var_other_chars) /* is_ok on <var_other_chars:IndexedIterator[Char]>*/;
+}
+var6 = var8;
+} else {
+var6 = var_;
+}
+if (var6){
+{
+var9 = ((val* (*)(val*))(var_self_chars->class->vft[COLOR_abstract_collection__Iterator__item]))(var_self_chars) /* item on <var_self_chars:IndexedIterator[Char]>*/;
+}
+{
+var10 = ((val* (*)(val*))(var_other_chars->class->vft[COLOR_abstract_collection__Iterator__item]))(var_other_chars) /* item on <var_other_chars:IndexedIterator[Char]>*/;
+}
+{
+{ /* Inline kernel#Char#< (var9,var10) on <var9:nullable Object(Char)> */
+/* Covariant cast for argument 0 (i) <var10:nullable Object(Char)> isa OTHER */
+/* <var10:nullable Object(Char)> isa OTHER */
+var13 = 1; /* easy <var10:nullable Object(Char)> isa OTHER*/
+if (unlikely(!var13)) {
+var_class_name16 = var10 == NULL ? "null" : var10->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 546);
 show_backtrace(1);
 }
-var17 = var7 <= var10;
-var11 = var17;
+var17 = ((struct instance_kernel__Char*)var9)->value; /* autounbox from nullable Object to Char */;
+var18 = ((struct instance_kernel__Char*)var10)->value; /* autounbox from nullable Object to Char */;
+var19 = var17 < var18;
+var11 = var19;
 goto RET_LABEL12;
 RET_LABEL12:(void)0;
 }
-if (!var11) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 382);
-show_backtrace(1);
 }
-var18 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-var19 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-{ /* Inline kernel#Int#+ (var_index,var19) */
-var22 = var_index + var19;
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
+if (var11){
+var20 = 1;
+var = var20;
+goto RET_LABEL;
+} else {
 }
-{ /* Inline string#NativeString#[] (var18,var20) */
-var25 = var18[var20];
-var23 = var25;
+{
+var21 = ((val* (*)(val*))(var_self_chars->class->vft[COLOR_abstract_collection__Iterator__item]))(var_self_chars) /* item on <var_self_chars:IndexedIterator[Char]>*/;
+}
+{
+var22 = ((val* (*)(val*))(var_other_chars->class->vft[COLOR_abstract_collection__Iterator__item]))(var_other_chars) /* item on <var_other_chars:IndexedIterator[Char]>*/;
+}
+{
+{ /* Inline kernel#Char#> (var21,var22) on <var21:nullable Object(Char)> */
+/* Covariant cast for argument 0 (i) <var22:nullable Object(Char)> isa OTHER */
+/* <var22:nullable Object(Char)> isa OTHER */
+var25 = 1; /* easy <var22:nullable Object(Char)> isa OTHER*/
+if (unlikely(!var25)) {
+var_class_name28 = var22 == NULL ? "null" : var22->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name28);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 548);
+show_backtrace(1);
+}
+var29 = ((struct instance_kernel__Char*)var21)->value; /* autounbox from nullable Object to Char */;
+var30 = ((struct instance_kernel__Char*)var22)->value; /* autounbox from nullable Object to Char */;
+var31 = var29 > var30;
+var23 = var31;
 goto RET_LABEL24;
 RET_LABEL24:(void)0;
 }
-var = var23;
+}
+if (var23){
+var32 = 0;
+var = var32;
+goto RET_LABEL;
+} else {
+}
+{
+((void (*)(val*))(var_self_chars->class->vft[COLOR_abstract_collection__Iterator__next]))(var_self_chars) /* next on <var_self_chars:IndexedIterator[Char]>*/;
+}
+{
+((void (*)(val*))(var_other_chars->class->vft[COLOR_abstract_collection__Iterator__next]))(var_other_chars) /* next on <var_other_chars:IndexedIterator[Char]>*/;
+}
+} else {
+goto BREAK_label;
+}
+}
+BREAK_label: (void)0;
+{
+var33 = ((short int (*)(val*))(var_self_chars->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var_self_chars) /* is_ok on <var_self_chars:IndexedIterator[Char]>*/;
+}
+if (var33){
+var34 = 0;
+var = var34;
+goto RET_LABEL;
+} else {
+var35 = 1;
+var = var35;
 goto RET_LABEL;
+}
 RET_LABEL:;
 return var;
 }
-/* method string#String#[] for (self: Object, Int): nullable Object */
-val* VIRTUAL_string__String___91d_93d(val* self, long p0) {
-val* var /* : nullable Object */;
-char var1 /* : Char */;
-val* var2 /* : nullable Object */;
-var1 = string__String___91d_93d(self, p0);
-var2 = BOX_kernel__Char(var1); /* autobox from Char to nullable Object */
-var = var2;
+/* method string#Text#< for (self: Object, Comparable): Bool */
+short int VIRTUAL_string__Text___60d(val* self, val* p0) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+var1 = string__Text___60d(self, p0);
+var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#String#substring for (self: String, Int, Int): String */
-val* string__String__substring(val* self, long p0, long p1) {
-val* var /* : String */;
-long var_from /* var from: Int */;
-long var_count /* var count: Int */;
-long var1 /* : Int */;
-short int var2 /* : Bool */;
-short int var4 /* : Bool */;
+/* method string#Text#hash_cache for (self: Text): nullable Int */
+val* string__Text__hash_cache(val* self) {
+val* var /* : nullable Int */;
+val* var1 /* : nullable Int */;
+var1 = self->attrs[COLOR_string__Text___hash_cache].val; /* _hash_cache on <self:Text> */
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#Text#hash_cache for (self: Object): nullable Int */
+val* VIRTUAL_string__Text__hash_cache(val* self) {
+val* var /* : nullable Int */;
+val* var1 /* : nullable Int */;
+val* var3 /* : nullable Int */;
+{ /* Inline string#Text#hash_cache (self) on <self:Object(Text)> */
+var3 = self->attrs[COLOR_string__Text___hash_cache].val; /* _hash_cache on <self:Object(Text)> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#Text#hash_cache= for (self: Text, nullable Int) */
+void string__Text__hash_cache_61d(val* self, val* p0) {
+self->attrs[COLOR_string__Text___hash_cache].val = p0; /* _hash_cache on <self:Text> */
+RET_LABEL:;
+}
+/* method string#Text#hash_cache= for (self: Object, nullable Int) */
+void VIRTUAL_string__Text__hash_cache_61d(val* self, val* p0) {
+{ /* Inline string#Text#hash_cache= (self,p0) on <self:Object(Text)> */
+self->attrs[COLOR_string__Text___hash_cache].val = p0; /* _hash_cache on <self:Object(Text)> */
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#Text#hash for (self: Text): Int */
+long string__Text__hash(val* self) {
+long var /* : Int */;
+val* var1 /* : nullable Int */;
+val* var3 /* : nullable Int */;
+val* var4 /* : null */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+short int var8 /* : Bool */;
+long var9 /* : Int */;
+long var_h /* var h: Int */;
+long var10 /* : Int */;
+long var_i /* var i: Int */;
+long var11 /* : Int */;
+long var13 /* : Int */;
+long var_ /* var : Int */;
+short int var14 /* : Bool */;
+short int var16 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var5 /* : Bool */;
-long var6 /* : Int */;
-short int var7 /* : Bool */;
-short int var9 /* : Bool */;
-int cltype10;
-int idtype11;
-const char* var_class_name12;
-short int var13 /* : Bool */;
-long var14 /* : Int */;
-long var16 /* : Int */;
-long var17 /* : Int */;
-short int var18 /* : Bool */;
-short int var20 /* : Bool */;
-int cltype21;
-int idtype22;
-const char* var_class_name23;
-short int var24 /* : Bool */;
+short int var17 /* : Bool */;
+val* var18 /* : SequenceRead[Char] */;
+val* var19 /* : nullable Object */;
+char var20 /* : Char */;
+char var_char /* var char: Char */;
+long var21 /* : Int */;
+long var22 /* : Int */;
+long var24 /* : Int */;
 long var25 /* : Int */;
-long var26 /* : Int */;
-long var27 /* : Int */;
-long var28 /* : Int */;
-long var30 /* : Int */;
-long var_realFrom /* var realFrom: Int */;
+short int var27 /* : Bool */;
+int cltype28;
+int idtype29;
+const char* var_class_name30;
 long var31 /* : Int */;
-long var33 /* : Int */;
+long var32 /* : Int */;
 long var34 /* : Int */;
-short int var35 /* : Bool */;
+long var35 /* : Int */;
 short int var37 /* : Bool */;
 int cltype38;
 int idtype39;
 const char* var_class_name40;
-short int var41 /* : Bool */;
-val* var42 /* : String */;
+long var41 /* : Int */;
+long var42 /* : Int */;
 long var43 /* : Int */;
-char* var44 /* : NativeString */;
-long var45 /* : Int */;
-short int var46 /* : Bool */;
-short int var48 /* : Bool */;
-static val* varonce;
-val* var49 /* : String */;
-char* var50 /* : NativeString */;
-long var51 /* : Int */;
-val* var52 /* : String */;
-val* var53 /* : String */;
-long var54 /* : Int */;
-long var56 /* : Int */;
-long var57 /* : Int */;
-long var58 /* : Int */;
-long var60 /* : Int */;
-char* var61 /* : NativeString */;
-var_from = p0;
-var_count = p1;
-var1 = 0;
-{ /* Inline kernel#Int#>= (var_count,var1) */
-/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
-/* <var1:Int> isa OTHER */
-var4 = 1; /* easy <var1:Int> isa OTHER*/
-if (!var4) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 262);
-show_backtrace(1);
+val* var45 /* : nullable Int */;
+val* var46 /* : nullable Int */;
+val* var48 /* : nullable Int */;
+long var49 /* : Int */;
+{
+{ /* Inline string#Text#hash_cache (self) on <self:Text> */
+var3 = self->attrs[COLOR_string__Text___hash_cache].val; /* _hash_cache on <self:Text> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-var5 = var_count >= var1;
-var2 = var5;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
 }
-if (!var2) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 388);
-show_backtrace(1);
+var4 = NULL;
+if (var1 == NULL) {
+var5 = 1; /* is null */
+} else {
+var5 = 0; /* arg is null but recv is not */
 }
-var6 = 0;
-{ /* Inline kernel#Int#< (var_from,var6) */
-/* Covariant cast for argument 0 (i) <var6:Int> isa OTHER */
-/* <var6:Int> isa OTHER */
-var9 = 1; /* easy <var6:Int> isa OTHER*/
-if (!var9) {
-var_class_name12 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name12);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
+if (0) {
+{ /* Inline kernel#Int#== (var1,var4) on <var1:nullable Int> */
+var8 = 0; /* incompatible types Int vs. null; cannot be NULL */
+var6 = var8;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
 }
-var13 = var_from < var6;
-var7 = var13;
-goto RET_LABEL8;
-RET_LABEL8:(void)0;
+var5 = var6;
 }
-if (var7){
-{ /* Inline kernel#Int#+ (var_count,var_from) */
-var16 = var_count + var_from;
-var14 = var16;
+if (var5){
+var9 = 5381;
+var_h = var9;
+var10 = 0;
+var_i = var10;
+{
+{ /* Inline string#FlatText#length (self) on <self:Text> */
+var13 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Text> */
+var11 = var13;
+RET_LABEL12:(void)0;
+}
+}
+var_ = var11;
+for(;;) {
+{
+{ /* Inline kernel#Int#< (var_i,var_) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var16 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var16)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var17 = var_i < var_;
+var14 = var17;
 goto RET_LABEL15;
 RET_LABEL15:(void)0;
 }
-var_count = var14;
-var17 = 0;
-{ /* Inline kernel#Int#< (var_count,var17) */
-/* Covariant cast for argument 0 (i) <var17:Int> isa OTHER */
-/* <var17:Int> isa OTHER */
-var20 = 1; /* easy <var17:Int> isa OTHER*/
-if (!var20) {
-var_class_name23 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name23);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
-}
-var24 = var_count < var17;
-var18 = var24;
-goto RET_LABEL19;
-RET_LABEL19:(void)0;
 }
-if (var18){
-var25 = 0;
-var_count = var25;
-} else {
+if (var14){
+{
+var18 = ((val* (*)(val*))(self->class->vft[COLOR_string__Text__chars]))(self) /* chars on <self:Text>*/;
 }
-var26 = 0;
-var_from = var26;
-} else {
+{
+var19 = ((val* (*)(val*, long))(var18->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var18, var_i) /* [] on <var18:SequenceRead[Char]>*/;
 }
-var27 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-{ /* Inline kernel#Int#+ (var27,var_from) */
-var30 = var27 + var_from;
-var28 = var30;
-goto RET_LABEL29;
-RET_LABEL29:(void)0;
+var20 = ((struct instance_kernel__Char*)var19)->value; /* autounbox from nullable Object to Char */;
+var_char = var20;
+var21 = 5;
+{
+{ /* Inline kernel#Int#lshift (var_h,var21) on <var_h:Int> */
+var24 = var_h << var21;
+var22 = var24;
+goto RET_LABEL23;
+RET_LABEL23:(void)0;
 }
-var_realFrom = var28;
-{ /* Inline kernel#Int#+ (var_realFrom,var_count) */
-var33 = var_realFrom + var_count;
-var31 = var33;
-goto RET_LABEL32;
-RET_LABEL32:(void)0;
 }
-var34 = self->attrs[COLOR_string__String___index_to].l; /* _index_to on <self:String> */
-{ /* Inline kernel#Int#> (var31,var34) */
-/* Covariant cast for argument 0 (i) <var34:Int> isa OTHER */
-/* <var34:Int> isa OTHER */
-var37 = 1; /* easy <var34:Int> isa OTHER*/
-if (!var37) {
+{
+{ /* Inline kernel#Int#+ (var22,var_h) on <var22:Int> */
+/* Covariant cast for argument 0 (i) <var_h:Int> isa OTHER */
+/* <var_h:Int> isa OTHER */
+var27 = 1; /* easy <var_h:Int> isa OTHER*/
+if (unlikely(!var27)) {
+var_class_name30 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name30);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var31 = var22 + var_h;
+var25 = var31;
+goto RET_LABEL26;
+RET_LABEL26:(void)0;
+}
+}
+{
+{ /* Inline kernel#Char#ascii (var_char) on <var_char:Char> */
+var34 = (unsigned char)var_char;
+var32 = var34;
+goto RET_LABEL33;
+RET_LABEL33:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var25,var32) on <var25:Int> */
+/* Covariant cast for argument 0 (i) <var32:Int> isa OTHER */
+/* <var32:Int> isa OTHER */
+var37 = 1; /* easy <var32:Int> isa OTHER*/
+if (unlikely(!var37)) {
 var_class_name40 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name40);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 263);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name40);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
 show_backtrace(1);
 }
-var41 = var31 > var34;
+var41 = var25 + var32;
 var35 = var41;
 goto RET_LABEL36;
 RET_LABEL36:(void)0;
 }
-if (var35){
-var42 = NEW_string__String(&type_string__String);
-var43 = self->attrs[COLOR_string__String___index_to].l; /* _index_to on <self:String> */
-var44 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-((void (*)(val*, long, long, char*))(var42->class->vft[COLOR_string__String__from_substring]))(var42, var_realFrom, var43, var44) /* from_substring on <var42:String>*/;
-var = var42;
-goto RET_LABEL;
-} else {
 }
-var45 = 0;
-{ /* Inline kernel#Int#== (var_count,var45) */
-var48 = var_count == var45;
-var46 = var48;
-goto RET_LABEL47;
-RET_LABEL47:(void)0;
+var_h = var35;
+var42 = 1;
+{
+var43 = kernel__Int__successor(var_i, var42);
 }
-if (var46){
-if (varonce) {
-var49 = varonce;
+var_i = var43;
 } else {
-var50 = "";
-var51 = 0;
-var52 = string__NativeString__to_s_with_length(var50, var51);
-var49 = var52;
-varonce = var49;
+goto BREAK_label;
+}
+}
+BREAK_label: (void)0;
+{
+{ /* Inline string#Text#hash_cache= (self,var_h) on <self:Text> */
+var45 = BOX_kernel__Int(var_h); /* autobox from Int to nullable Int */
+self->attrs[COLOR_string__Text___hash_cache].val = var45; /* _hash_cache on <self:Text> */
+RET_LABEL44:(void)0;
+}
 }
-var = var49;
-goto RET_LABEL;
 } else {
 }
-var53 = NEW_string__String(&type_string__String);
-{ /* Inline kernel#Int#+ (var_realFrom,var_count) */
-var56 = var_realFrom + var_count;
-var54 = var56;
-goto RET_LABEL55;
-RET_LABEL55:(void)0;
+{
+{ /* Inline string#Text#hash_cache (self) on <self:Text> */
+var48 = self->attrs[COLOR_string__Text___hash_cache].val; /* _hash_cache on <self:Text> */
+var46 = var48;
+RET_LABEL47:(void)0;
 }
-var57 = 1;
-{ /* Inline kernel#Int#- (var54,var57) */
-var60 = var54 - var57;
-var58 = var60;
-goto RET_LABEL59;
-RET_LABEL59:(void)0;
 }
-var61 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-((void (*)(val*, long, long, char*))(var53->class->vft[COLOR_string__String__from_substring]))(var53, var_realFrom, var58, var61) /* from_substring on <var53:String>*/;
-var = var53;
+if (unlikely(var46 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 697);
+show_backtrace(1);
+}
+var49 = ((struct instance_kernel__Int*)var46)->value; /* autounbox from nullable Int to Int */;
+var = var49;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#String#substring for (self: Object, Int, Int): String */
-val* VIRTUAL_string__String__substring(val* self, long p0, long p1) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__String__substring(self, p0, p1);
+/* method string#Text#hash for (self: Object): Int */
+long VIRTUAL_string__Text__hash(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+var1 = string__Text__hash(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#String#substring_from for (self: String, Int): String */
-val* string__String__substring_from(val* self, long p0) {
-val* var /* : String */;
-long var_from /* var from: Int */;
-long var1 /* : Int */;
-short int var2 /* : Bool */;
-short int var4 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var5 /* : Bool */;
-static val* varonce;
-val* var6 /* : String */;
-char* var7 /* : NativeString */;
-long var8 /* : Int */;
-val* var9 /* : String */;
-long var10 /* : Int */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
-int cltype14;
-int idtype15;
-const char* var_class_name16;
-short int var17 /* : Bool */;
-long var18 /* : Int */;
-long var19 /* : Int */;
-val* var20 /* : String */;
-var_from = p0;
-var1 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-{ /* Inline kernel#Int#> (var_from,var1) */
-/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
-/* <var1:Int> isa OTHER */
-var4 = 1; /* easy <var1:Int> isa OTHER*/
-if (!var4) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 263);
-show_backtrace(1);
-}
-var5 = var_from > var1;
-var2 = var5;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+/* method string#FlatText#items for (self: FlatText): NativeString */
+char* string__FlatText__items(val* self) {
+char* var /* : NativeString */;
+char* var1 /* : NativeString */;
+var1 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatText> */
+var = var1;
+RET_LABEL:;
+return var;
 }
-if (var2){
-if (varonce) {
-var6 = varonce;
-} else {
-var7 = "";
-var8 = 0;
-var9 = string__NativeString__to_s_with_length(var7, var8);
-var6 = var9;
-varonce = var6;
+/* method string#FlatText#items for (self: Object): NativeString */
+char* VIRTUAL_string__FlatText__items(val* self) {
+char* var /* : NativeString */;
+char* var1 /* : NativeString */;
+char* var3 /* : NativeString */;
+{ /* Inline string#FlatText#items (self) on <self:Object(FlatText)> */
+var3 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:Object(FlatText)> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-var = var6;
-goto RET_LABEL;
-} else {
+var = var1;
+RET_LABEL:;
+return var;
 }
-var10 = 0;
-{ /* Inline kernel#Int#< (var_from,var10) */
-/* Covariant cast for argument 0 (i) <var10:Int> isa OTHER */
-/* <var10:Int> isa OTHER */
-var13 = 1; /* easy <var10:Int> isa OTHER*/
-if (!var13) {
-var_class_name16 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name16);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
+/* method string#FlatText#items= for (self: FlatText, NativeString) */
+void string__FlatText__items_61d(val* self, char* p0) {
+self->attrs[COLOR_string__FlatText___items].str = p0; /* _items on <self:FlatText> */
+RET_LABEL:;
 }
-var17 = var_from < var10;
-var11 = var17;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
+/* method string#FlatText#items= for (self: Object, NativeString) */
+void VIRTUAL_string__FlatText__items_61d(val* self, char* p0) {
+{ /* Inline string#FlatText#items= (self,p0) on <self:Object(FlatText)> */
+self->attrs[COLOR_string__FlatText___items].str = p0; /* _items on <self:Object(FlatText)> */
+RET_LABEL1:(void)0;
 }
-if (var11){
-var18 = 0;
-var_from = var18;
-} else {
+RET_LABEL:;
 }
-var19 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var20 = ((val* (*)(val*, long, long))(self->class->vft[COLOR_string__AbstractString__substring]))(self, var_from, var19) /* substring on <self:String>*/;
-var = var20;
-goto RET_LABEL;
+/* method string#FlatText#real_items for (self: FlatText): nullable NativeString */
+val* string__FlatText__real_items(val* self) {
+val* var /* : nullable NativeString */;
+val* var1 /* : nullable NativeString */;
+var1 = self->attrs[COLOR_string__FlatText___real_items].val; /* _real_items on <self:FlatText> */
+var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#String#substring_from for (self: Object, Int): String */
-val* VIRTUAL_string__String__substring_from(val* self, long p0) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__String__substring_from(self, p0);
+/* method string#FlatText#real_items for (self: Object): nullable NativeString */
+val* VIRTUAL_string__FlatText__real_items(val* self) {
+val* var /* : nullable NativeString */;
+val* var1 /* : nullable NativeString */;
+val* var3 /* : nullable NativeString */;
+{ /* Inline string#FlatText#real_items (self) on <self:Object(FlatText)> */
+var3 = self->attrs[COLOR_string__FlatText___real_items].val; /* _real_items on <self:Object(FlatText)> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#String#has_substring for (self: String, String, Int): Bool */
-short int string__String__has_substring(val* self, val* p0, long p1) {
-short int var /* : Bool */;
-val* var_str /* var str: String */;
-long var_pos /* var pos: Int */;
+/* method string#FlatText#real_items= for (self: FlatText, nullable NativeString) */
+void string__FlatText__real_items_61d(val* self, val* p0) {
+self->attrs[COLOR_string__FlatText___real_items].val = p0; /* _real_items on <self:FlatText> */
+RET_LABEL:;
+}
+/* method string#FlatText#real_items= for (self: Object, nullable NativeString) */
+void VIRTUAL_string__FlatText__real_items_61d(val* self, val* p0) {
+{ /* Inline string#FlatText#real_items= (self,p0) on <self:Object(FlatText)> */
+self->attrs[COLOR_string__FlatText___real_items].val = p0; /* _real_items on <self:Object(FlatText)> */
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#FlatText#length for (self: FlatText): Int */
+long string__FlatText__length(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+var1 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatText> */
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatText#length for (self: Object): Int */
+long VIRTUAL_string__FlatText__length(val* self) {
+long var /* : Int */;
 long var1 /* : Int */;
-long var2 /* : Int */;
 long var3 /* : Int */;
-long var5 /* : Int */;
-long var_itsindex /* var itsindex: Int */;
-long var6 /* : Int */;
-long var8 /* : Int */;
-long var_myindex /* var myindex: Int */;
-char* var9 /* : NativeString */;
-char* var_myitems /* var myitems: NativeString */;
-char* var10 /* : NativeString */;
-char* var_itsitems /* var itsitems: NativeString */;
-short int var11 /* : Bool */;
-long var12 /* : Int */;
-short int var13 /* : Bool */;
-short int var15 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var16 /* : Bool */;
-short int var_ /* var : Bool */;
-short int var17 /* : Bool */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
-const char* var_class_name22;
-short int var23 /* : Bool */;
-short int var24 /* : Bool */;
-long var25 /* : Int */;
-long var_itsindexfrom /* var itsindexfrom: Int */;
-long var26 /* : Int */;
-long var28 /* : Int */;
-long var29 /* : Int */;
-long var30 /* : Int */;
-long var32 /* : Int */;
-short int var33 /* : Bool */;
-short int var35 /* : Bool */;
-int cltype36;
-int idtype37;
-const char* var_class_name38;
-short int var39 /* : Bool */;
-char var40 /* : Char */;
-char var42 /* : Char */;
-char var43 /* : Char */;
-char var45 /* : Char */;
-short int var46 /* : Bool */;
-short int var48 /* : Bool */;
-short int var49 /* : Bool */;
-short int var50 /* : Bool */;
-long var51 /* : Int */;
-long var52 /* : Int */;
-long var54 /* : Int */;
-long var55 /* : Int */;
-long var56 /* : Int */;
-long var58 /* : Int */;
-short int var59 /* : Bool */;
-var_str = p0;
-var_pos = p1;
-var1 = var_str->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <var_str:String> */
-var2 = 1;
-{ /* Inline kernel#Int#- (var1,var2) */
-var5 = var1 - var2;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+{ /* Inline string#FlatText#length (self) on <self:Object(FlatText)> */
+var3 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:Object(FlatText)> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-var_itsindex = var3;
-{ /* Inline kernel#Int#+ (var_pos,var_itsindex) */
-var8 = var_pos + var_itsindex;
-var6 = var8;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+var = var1;
+RET_LABEL:;
+return var;
 }
-var_myindex = var6;
-var9 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-var_myitems = var9;
-var10 = var_str->attrs[COLOR_string__AbstractString___items].str; /* _items on <var_str:String> */
-var_itsitems = var10;
-var12 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-{ /* Inline kernel#Int#> (var_myindex,var12) */
-/* Covariant cast for argument 0 (i) <var12:Int> isa OTHER */
-/* <var12:Int> isa OTHER */
-var15 = 1; /* easy <var12:Int> isa OTHER*/
-if (!var15) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 263);
-show_backtrace(1);
+/* method string#FlatText#length= for (self: FlatText, Int) */
+void string__FlatText__length_61d(val* self, long p0) {
+self->attrs[COLOR_string__FlatText___length].l = p0; /* _length on <self:FlatText> */
+RET_LABEL:;
 }
-var16 = var_myindex > var12;
-var13 = var16;
-goto RET_LABEL14;
-RET_LABEL14:(void)0;
+/* method string#FlatText#length= for (self: Object, Int) */
+void VIRTUAL_string__FlatText__length_61d(val* self, long p0) {
+{ /* Inline string#FlatText#length= (self,p0) on <self:Object(FlatText)> */
+self->attrs[COLOR_string__FlatText___length].l = p0; /* _length on <self:Object(FlatText)> */
+RET_LABEL1:(void)0;
 }
-var_ = var13;
-if (var13){
-var11 = var_;
-} else {
-{ /* Inline kernel#Int#> (var_itsindex,var_myindex) */
-/* Covariant cast for argument 0 (i) <var_myindex:Int> isa OTHER */
-/* <var_myindex:Int> isa OTHER */
-var19 = 1; /* easy <var_myindex:Int> isa OTHER*/
-if (!var19) {
-var_class_name22 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name22);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 263);
-show_backtrace(1);
+RET_LABEL:;
 }
-var23 = var_itsindex > var_myindex;
-var17 = var23;
-goto RET_LABEL18;
-RET_LABEL18:(void)0;
+/* method string#FlatText#init for (self: FlatText) */
+void string__FlatText__init(val* self) {
+{
+((void (*)(val*))(self->class->vft[COLOR_string__FlatText__init]))(self) /* init on <self:FlatText>*/;
 }
-var11 = var17;
+RET_LABEL:;
 }
-if (var11){
-var24 = 0;
-var = var24;
-goto RET_LABEL;
-} else {
+/* method string#FlatText#init for (self: Object) */
+void VIRTUAL_string__FlatText__init(val* self) {
+{ /* Inline string#FlatText#init (self) on <self:Object(FlatText)> */
+{
+((void (*)(val*))(self->class->vft[COLOR_string__FlatText__init]))(self) /* init on <self:Object(FlatText)>*/;
 }
-var25 = ((long (*)(val*))(var_str->class->vft[COLOR_string__String__index_from]))(var_str) /* index_from on <var_str:String>*/;
-var_itsindexfrom = var25;
-{ /* Inline kernel#Int#+ (var_itsindex,var_itsindexfrom) */
-var28 = var_itsindex + var_itsindexfrom;
-var26 = var28;
-goto RET_LABEL27;
-RET_LABEL27:(void)0;
+RET_LABEL1:(void)0;
 }
-var_itsindex = var26;
-var29 = ((long (*)(val*))(self->class->vft[COLOR_string__String__index_from]))(self) /* index_from on <self:String>*/;
-{ /* Inline kernel#Int#+ (var_myindex,var29) */
-var32 = var_myindex + var29;
-var30 = var32;
-goto RET_LABEL31;
-RET_LABEL31:(void)0;
+RET_LABEL:;
 }
-var_myindex = var30;
-for(;;) {
-{ /* Inline kernel#Int#>= (var_itsindex,var_itsindexfrom) */
-/* Covariant cast for argument 0 (i) <var_itsindexfrom:Int> isa OTHER */
-/* <var_itsindexfrom:Int> isa OTHER */
-var35 = 1; /* easy <var_itsindexfrom:Int> isa OTHER*/
-if (!var35) {
-var_class_name38 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name38);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 262);
+/* method string#StringCharView#target for (self: StringCharView): Text */
+val* string__StringCharView__target(val* self) {
+val* var /* : Text */;
+val* var1 /* : Text */;
+var1 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:StringCharView> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
 show_backtrace(1);
 }
-var39 = var_itsindex >= var_itsindexfrom;
-var33 = var39;
-goto RET_LABEL34;
-RET_LABEL34:(void)0;
+var = var1;
+RET_LABEL:;
+return var;
 }
-if (!var33) break;
-{ /* Inline string#NativeString#[] (var_myitems,var_myindex) */
-var42 = var_myitems[var_myindex];
-var40 = var42;
-goto RET_LABEL41;
-RET_LABEL41:(void)0;
+/* method string#StringCharView#target for (self: Object): Text */
+val* VIRTUAL_string__StringCharView__target(val* self) {
+val* var /* : Text */;
+val* var1 /* : Text */;
+val* var3 /* : Text */;
+{ /* Inline string#StringCharView#target (self) on <self:Object(StringCharView)> */
+var3 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:Object(StringCharView)> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
 }
-{ /* Inline string#NativeString#[] (var_itsitems,var_itsindex) */
-var45 = var_itsitems[var_itsindex];
-var43 = var45;
-goto RET_LABEL44;
-RET_LABEL44:(void)0;
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-{ /* Inline kernel#Char#!= (var40,var43) */
-var48 = var40 == var43;
-var49 = !var48;
-var46 = var49;
-goto RET_LABEL47;
-RET_LABEL47:(void)0;
+var = var1;
+RET_LABEL:;
+return var;
 }
-if (var46){
-var50 = 0;
-var = var50;
-goto RET_LABEL;
+/* method string#StringCharView#target= for (self: StringCharView, Text) */
+void string__StringCharView__target_61d(val* self, val* p0) {
+short int var /* : Bool */;
+int cltype;
+int idtype;
+const struct type* type_struct;
+const char* var_class_name;
+/* Covariant cast for argument 0 (target) <p0:Text> isa SELFTYPE */
+/* <p0:Text> isa SELFTYPE */
+type_struct = self->type->resolution_table->types[COLOR_string__StringCharView_VTSELFTYPE];
+cltype = type_struct->color;
+idtype = type_struct->id;
+if(cltype >= p0->type->table_size) {
+var = 0;
 } else {
+var = p0->type->type_table[cltype] == idtype;
 }
-var51 = 1;
-{ /* Inline kernel#Int#- (var_myindex,var51) */
-var54 = var_myindex - var51;
-var52 = var54;
-goto RET_LABEL53;
-RET_LABEL53:(void)0;
-}
-var_myindex = var52;
-var55 = 1;
-{ /* Inline kernel#Int#- (var_itsindex,var55) */
-var58 = var_itsindex - var55;
-var56 = var58;
-goto RET_LABEL57;
-RET_LABEL57:(void)0;
-}
-var_itsindex = var56;
-CONTINUE_label: (void)0;
+if (unlikely(!var)) {
+var_class_name = p0 == NULL ? "null" : p0->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
 }
-BREAK_label: (void)0;
-var59 = 1;
-var = var59;
-goto RET_LABEL;
+self->attrs[COLOR_string__StringCharView___target].val = p0; /* _target on <self:StringCharView> */
 RET_LABEL:;
-return var;
 }
-/* method string#String#has_substring for (self: Object, String, Int): Bool */
-short int VIRTUAL_string__String__has_substring(val* self, val* p0, long p1) {
+/* method string#StringCharView#target= for (self: Object, Text) */
+void VIRTUAL_string__StringCharView__target_61d(val* self, val* p0) {
 short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = string__String__has_substring(self, p0, p1);
-var = var1;
+int cltype;
+int idtype;
+const struct type* type_struct;
+const char* var_class_name;
+{ /* Inline string#StringCharView#target= (self,p0) on <self:Object(StringCharView)> */
+/* Covariant cast for argument 0 (target) <p0:Text> isa SELFTYPE */
+/* <p0:Text> isa SELFTYPE */
+type_struct = self->type->resolution_table->types[COLOR_string__StringCharView_VTSELFTYPE];
+cltype = type_struct->color;
+idtype = type_struct->id;
+if(cltype >= p0->type->table_size) {
+var = 0;
+} else {
+var = p0->type->type_table[cltype] == idtype;
+}
+if (unlikely(!var)) {
+var_class_name = p0 == NULL ? "null" : p0->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
+}
+self->attrs[COLOR_string__StringCharView___target].val = p0; /* _target on <self:Object(StringCharView)> */
+RET_LABEL1:(void)0;
+}
 RET_LABEL:;
-return var;
 }
-/* method string#String#to_upper for (self: String): String */
-val* string__String__to_upper(val* self) {
-val* var /* : String */;
-long var1 /* : Int */;
-long var2 /* : Int */;
-long var3 /* : Int */;
-long var5 /* : Int */;
-char* var6 /* : NativeString */;
-char* var_outstr /* var outstr: NativeString */;
-long var7 /* : Int */;
-long var_out_index /* var out_index: Int */;
-char* var8 /* : NativeString */;
-char* var_myitems /* var myitems: NativeString */;
-long var9 /* : Int */;
-long var_index_from /* var index_from: Int */;
-long var10 /* : Int */;
-long var_max /* var max: Int */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
+/* method string#StringCharView#init for (self: StringCharView, Text) */
+void string__StringCharView__init(val* self, val* p0) {
+short int var /* : Bool */;
 int cltype;
 int idtype;
+const struct type* type_struct;
 const char* var_class_name;
-short int var14 /* : Bool */;
-char var15 /* : Char */;
-char var17 /* : Char */;
-char var18 /* : Char */;
-long var20 /* : Int */;
-long var21 /* : Int */;
-long var23 /* : Int */;
-long var24 /* : Int */;
-long var25 /* : Int */;
-long var27 /* : Int */;
-long var28 /* : Int */;
-char var29 /* : Char */;
-long var31 /* : Int */;
-val* var32 /* : String */;
-var1 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var2 = 1;
-{ /* Inline kernel#Int#+ (var1,var2) */
-var5 = var1 + var2;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+val* var_tgt /* var tgt: Text */;
+short int var2 /* : Bool */;
+int cltype3;
+int idtype4;
+const struct type* type_struct5;
+const char* var_class_name6;
+/* Covariant cast for argument 0 (tgt) <p0:Text> isa SELFTYPE */
+/* <p0:Text> isa SELFTYPE */
+type_struct = self->type->resolution_table->types[COLOR_string__StringCharView_VTSELFTYPE];
+cltype = type_struct->color;
+idtype = type_struct->id;
+if(cltype >= p0->type->table_size) {
+var = 0;
+} else {
+var = p0->type->type_table[cltype] == idtype;
 }
-var6 = ((char* (*)(val*, long))(self->class->vft[COLOR_string__StringCapable__calloc_string]))(self, var3) /* calloc_string on <self:String>*/;
-var_outstr = var6;
-var7 = 0;
-var_out_index = var7;
-var8 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-var_myitems = var8;
-var9 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-var_index_from = var9;
-var10 = self->attrs[COLOR_string__String___index_to].l; /* _index_to on <self:String> */
-var_max = var10;
-for(;;) {
-{ /* Inline kernel#Int#<= (var_index_from,var_max) */
-/* Covariant cast for argument 0 (i) <var_max:Int> isa OTHER */
-/* <var_max:Int> isa OTHER */
-var13 = 1; /* easy <var_max:Int> isa OTHER*/
-if (!var13) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 260);
+if (unlikely(!var)) {
+var_class_name = p0 == NULL ? "null" : p0->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 740);
 show_backtrace(1);
 }
-var14 = var_index_from <= var_max;
-var11 = var14;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
+var_tgt = p0;
+{
+{ /* Inline string#StringCharView#target= (self,var_tgt) on <self:StringCharView> */
+/* Covariant cast for argument 0 (target) <var_tgt:Text> isa SELFTYPE */
+/* <var_tgt:Text> isa SELFTYPE */
+type_struct5 = self->type->resolution_table->types[COLOR_string__StringCharView_VTSELFTYPE];
+cltype3 = type_struct5->color;
+idtype4 = type_struct5->id;
+if(cltype3 >= var_tgt->type->table_size) {
+var2 = 0;
+} else {
+var2 = var_tgt->type->type_table[cltype3] == idtype4;
 }
-if (!var11) break;
-{ /* Inline string#NativeString#[] (var_myitems,var_index_from) */
-var17 = var_myitems[var_index_from];
-var15 = var17;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
+if (unlikely(!var2)) {
+var_class_name6 = var_tgt == NULL ? "null" : var_tgt->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name6);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
 }
-var18 = kernel__Char__to_upper(var15);
-{ /* Inline string#NativeString#[]= (var_outstr,var_out_index,var18) */
-var_outstr[var_out_index]=var18;
-RET_LABEL19:(void)0;
+self->attrs[COLOR_string__StringCharView___target].val = var_tgt; /* _target on <self:StringCharView> */
+RET_LABEL1:(void)0;
 }
-var20 = 1;
-{ /* Inline kernel#Int#+ (var_out_index,var20) */
-var23 = var_out_index + var20;
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
 }
-var_out_index = var21;
-var24 = 1;
-{ /* Inline kernel#Int#+ (var_index_from,var24) */
-var27 = var_index_from + var24;
-var25 = var27;
-goto RET_LABEL26;
-RET_LABEL26:(void)0;
+RET_LABEL:;
 }
-var_index_from = var25;
-CONTINUE_label: (void)0;
+/* method string#StringCharView#init for (self: Object, Text) */
+void VIRTUAL_string__StringCharView__init(val* self, val* p0) {
+string__StringCharView__init(self, p0); /* Direct call string#StringCharView#init on <self:Object(StringCharView)>*/
+RET_LABEL:;
 }
-BREAK_label: (void)0;
-var28 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:String>*/;
-var29 = '\0';
-{ /* Inline string#NativeString#[]= (var_outstr,var28,var29) */
-var_outstr[var28]=var29;
-RET_LABEL30:(void)0;
+/* method string#StringCharView#is_empty for (self: StringCharView): Bool */
+short int string__StringCharView__is_empty(val* self) {
+short int var /* : Bool */;
+val* var1 /* : Text */;
+val* var3 /* : Text */;
+short int var4 /* : Bool */;
+{
+{ /* Inline string#StringCharView#target (self) on <self:StringCharView> */
+var3 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:StringCharView> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
 }
-var31 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var32 = string__NativeString__to_s_with_length(var_outstr, var31);
-var = var32;
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+var4 = string__Text__is_empty(var1);
+}
+var = var4;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#String#to_upper for (self: Object): String */
-val* VIRTUAL_string__String__to_upper(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__String__to_upper(self);
+/* method string#StringCharView#is_empty for (self: Object): Bool */
+short int VIRTUAL_string__StringCharView__is_empty(val* self) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+var1 = string__StringCharView__is_empty(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#String#to_lower for (self: String): String */
-val* string__String__to_lower(val* self) {
-val* var /* : String */;
-long var1 /* : Int */;
-long var2 /* : Int */;
-long var3 /* : Int */;
-long var5 /* : Int */;
-char* var6 /* : NativeString */;
-char* var_outstr /* var outstr: NativeString */;
-long var7 /* : Int */;
-long var_out_index /* var out_index: Int */;
-char* var8 /* : NativeString */;
-char* var_myitems /* var myitems: NativeString */;
-long var9 /* : Int */;
-long var_index_from /* var index_from: Int */;
-long var10 /* : Int */;
-long var_max /* var max: Int */;
-short int var11 /* : Bool */;
-short int var13 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var14 /* : Bool */;
-char var15 /* : Char */;
-char var17 /* : Char */;
-char var18 /* : Char */;
-long var20 /* : Int */;
-long var21 /* : Int */;
-long var23 /* : Int */;
-long var24 /* : Int */;
-long var25 /* : Int */;
-long var27 /* : Int */;
-long var28 /* : Int */;
-char var29 /* : Char */;
-long var31 /* : Int */;
-val* var32 /* : String */;
-var1 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var2 = 1;
-{ /* Inline kernel#Int#+ (var1,var2) */
-var5 = var1 + var2;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-var6 = ((char* (*)(val*, long))(self->class->vft[COLOR_string__StringCapable__calloc_string]))(self, var3) /* calloc_string on <self:String>*/;
-var_outstr = var6;
-var7 = 0;
-var_out_index = var7;
-var8 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-var_myitems = var8;
-var9 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-var_index_from = var9;
-var10 = self->attrs[COLOR_string__String___index_to].l; /* _index_to on <self:String> */
-var_max = var10;
-for(;;) {
-{ /* Inline kernel#Int#<= (var_index_from,var_max) */
-/* Covariant cast for argument 0 (i) <var_max:Int> isa OTHER */
-/* <var_max:Int> isa OTHER */
-var13 = 1; /* easy <var_max:Int> isa OTHER*/
-if (!var13) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 260);
+/* method string#StringCharView#length for (self: StringCharView): Int */
+long string__StringCharView__length(val* self) {
+long var /* : Int */;
+val* var1 /* : Text */;
+val* var3 /* : Text */;
+long var4 /* : Int */;
+long var6 /* : Int */;
+{
+{ /* Inline string#StringCharView#target (self) on <self:StringCharView> */
+var3 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:StringCharView> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
 show_backtrace(1);
 }
-var14 = var_index_from <= var_max;
-var11 = var14;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-if (!var11) break;
-{ /* Inline string#NativeString#[] (var_myitems,var_index_from) */
-var17 = var_myitems[var_index_from];
-var15 = var17;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
 }
-var18 = kernel__Char__to_lower(var15);
-{ /* Inline string#NativeString#[]= (var_outstr,var_out_index,var18) */
-var_outstr[var_out_index]=var18;
-RET_LABEL19:(void)0;
+{
+{ /* Inline string#FlatText#length (var1) on <var1:Text> */
+var6 = var1->attrs[COLOR_string__FlatText___length].l; /* _length on <var1:Text> */
+var4 = var6;
+RET_LABEL5:(void)0;
 }
-var20 = 1;
-{ /* Inline kernel#Int#+ (var_out_index,var20) */
-var23 = var_out_index + var20;
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
 }
-var_out_index = var21;
-var24 = 1;
-{ /* Inline kernel#Int#+ (var_index_from,var24) */
-var27 = var_index_from + var24;
-var25 = var27;
-goto RET_LABEL26;
-RET_LABEL26:(void)0;
+var = var4;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
 }
-var_index_from = var25;
-CONTINUE_label: (void)0;
+/* method string#StringCharView#length for (self: Object): Int */
+long VIRTUAL_string__StringCharView__length(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+var1 = string__StringCharView__length(self);
+var = var1;
+RET_LABEL:;
+return var;
 }
-BREAK_label: (void)0;
-var28 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:String>*/;
-var29 = '\0';
-{ /* Inline string#NativeString#[]= (var_outstr,var28,var29) */
-var_outstr[var28]=var29;
-RET_LABEL30:(void)0;
+/* method string#StringCharView#iterator for (self: StringCharView): IndexedIterator[Char] */
+val* string__StringCharView__iterator(val* self) {
+val* var /* : IndexedIterator[Char] */;
+long var1 /* : Int */;
+val* var2 /* : IndexedIterator[nullable Object] */;
+var1 = 0;
+{
+var2 = ((val* (*)(val*, long))(self->class->vft[COLOR_abstract_collection__SequenceRead__iterator_from]))(self, var1) /* iterator_from on <self:StringCharView>*/;
 }
-var31 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var32 = string__NativeString__to_s_with_length(var_outstr, var31);
-var = var32;
+var = var2;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#String#to_lower for (self: Object): String */
-val* VIRTUAL_string__String__to_lower(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__String__to_lower(self);
+/* method string#StringCharView#iterator for (self: Object): Iterator[nullable Object] */
+val* VIRTUAL_string__StringCharView__iterator(val* self) {
+val* var /* : Iterator[nullable Object] */;
+val* var1 /* : IndexedIterator[Char] */;
+var1 = string__StringCharView__iterator(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#String#trim for (self: String): String */
-val* string__String__trim(val* self) {
+/* method string#String#to_s for (self: String): String */
+val* string__String__to_s(val* self) {
 val* var /* : String */;
-long var1 /* : Int */;
-long var2 /* : Int */;
-short int var3 /* : Bool */;
-short int var5 /* : Bool */;
-long var6 /* : Int */;
-long var_start_pos /* var start_pos: Int */;
-char* var7 /* : NativeString */;
-char var8 /* : Char */;
-char var10 /* : Char */;
-long var11 /* : Int */;
-long var13 /* : Int */;
-long var14 /* : Int */;
-short int var15 /* : Bool */;
-short int var17 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var18 /* : Bool */;
-long var19 /* : Int */;
-long var20 /* : Int */;
-long var22 /* : Int */;
-long var23 /* : Int */;
-long var24 /* : Int */;
-long var25 /* : Int */;
-long var27 /* : Int */;
-short int var28 /* : Bool */;
-short int var30 /* : Bool */;
-static val* varonce;
-val* var31 /* : String */;
-char* var32 /* : NativeString */;
-long var33 /* : Int */;
-val* var34 /* : String */;
-long var35 /* : Int */;
-long var_end_pos /* var end_pos: Int */;
-char* var36 /* : NativeString */;
-char var37 /* : Char */;
-char var39 /* : Char */;
-long var40 /* : Int */;
-long var42 /* : Int */;
-long var43 /* : Int */;
-short int var44 /* : Bool */;
-short int var46 /* : Bool */;
-int cltype47;
-int idtype48;
-const char* var_class_name49;
-short int var50 /* : Bool */;
-long var51 /* : Int */;
-long var52 /* : Int */;
-long var54 /* : Int */;
-short int var55 /* : Bool */;
-short int var57 /* : Bool */;
-char* var58 /* : NativeString */;
-char var59 /* : Char */;
-char var61 /* : Char */;
-val* var62 /* : String */;
-long var64 /* : Int */;
-long var65 /* : Int */;
-long var67 /* : Int */;
-long var68 /* : Int */;
-long var69 /* : Int */;
-long var71 /* : Int */;
-long var72 /* : Int */;
-long var74 /* : Int */;
-long var75 /* : Int */;
-long var76 /* : Int */;
-long var78 /* : Int */;
-val* var79 /* : String */;
-var1 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var2 = 0;
-{ /* Inline kernel#Int#== (var1,var2) */
-var5 = var1 == var2;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-if (var3){
 var = self;
 goto RET_LABEL;
-} else {
-}
-var6 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-var_start_pos = var6;
-for(;;) {
-var7 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-{ /* Inline string#NativeString#[] (var7,var_start_pos) */
-var10 = var7[var_start_pos];
-var8 = var10;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+RET_LABEL:;
+return var;
 }
-{ /* Inline kernel#Char#ascii (var8) */
-var13 = (unsigned char)var8;
-var11 = var13;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
+/* method string#String#to_s for (self: Object): String */
+val* VIRTUAL_string__String__to_s(val* self) {
+val* var /* : String */;
+val* var1 /* : String */;
+var1 = string__String__to_s(self);
+var = var1;
+RET_LABEL:;
+return var;
 }
-var14 = 32;
-{ /* Inline kernel#Int#<= (var11,var14) */
-/* Covariant cast for argument 0 (i) <var14:Int> isa OTHER */
-/* <var14:Int> isa OTHER */
-var17 = 1; /* easy <var14:Int> isa OTHER*/
-if (!var17) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 260);
-show_backtrace(1);
+/* method string#FlatSubstringsIter#tgt for (self: FlatSubstringsIter): nullable FlatText */
+val* string__FlatSubstringsIter__tgt(val* self) {
+val* var /* : nullable FlatText */;
+val* var1 /* : nullable FlatText */;
+var1 = self->attrs[COLOR_string__FlatSubstringsIter___tgt].val; /* _tgt on <self:FlatSubstringsIter> */
+var = var1;
+RET_LABEL:;
+return var;
 }
-var18 = var11 <= var14;
-var15 = var18;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
+/* method string#FlatSubstringsIter#tgt for (self: Object): nullable FlatText */
+val* VIRTUAL_string__FlatSubstringsIter__tgt(val* self) {
+val* var /* : nullable FlatText */;
+val* var1 /* : nullable FlatText */;
+val* var3 /* : nullable FlatText */;
+{ /* Inline string#FlatSubstringsIter#tgt (self) on <self:Object(FlatSubstringsIter)> */
+var3 = self->attrs[COLOR_string__FlatSubstringsIter___tgt].val; /* _tgt on <self:Object(FlatSubstringsIter)> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-if (!var15) break;
-var19 = 1;
-{ /* Inline kernel#Int#+ (var_start_pos,var19) */
-var22 = var_start_pos + var19;
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
+var = var1;
+RET_LABEL:;
+return var;
 }
-var_start_pos = var20;
-var23 = self->attrs[COLOR_string__String___index_to].l; /* _index_to on <self:String> */
-var24 = 1;
-{ /* Inline kernel#Int#+ (var23,var24) */
-var27 = var23 + var24;
-var25 = var27;
-goto RET_LABEL26;
-RET_LABEL26:(void)0;
+/* method string#FlatSubstringsIter#tgt= for (self: FlatSubstringsIter, nullable FlatText) */
+void string__FlatSubstringsIter__tgt_61d(val* self, val* p0) {
+self->attrs[COLOR_string__FlatSubstringsIter___tgt].val = p0; /* _tgt on <self:FlatSubstringsIter> */
+RET_LABEL:;
 }
-{ /* Inline kernel#Int#== (var_start_pos,var25) */
-var30 = var_start_pos == var25;
-var28 = var30;
-goto RET_LABEL29;
-RET_LABEL29:(void)0;
+/* method string#FlatSubstringsIter#tgt= for (self: Object, nullable FlatText) */
+void VIRTUAL_string__FlatSubstringsIter__tgt_61d(val* self, val* p0) {
+{ /* Inline string#FlatSubstringsIter#tgt= (self,p0) on <self:Object(FlatSubstringsIter)> */
+self->attrs[COLOR_string__FlatSubstringsIter___tgt].val = p0; /* _tgt on <self:Object(FlatSubstringsIter)> */
+RET_LABEL1:(void)0;
 }
-if (var28){
-if (varonce) {
-var31 = varonce;
-} else {
-var32 = "";
-var33 = 0;
-var34 = string__NativeString__to_s_with_length(var32, var33);
-var31 = var34;
-varonce = var31;
+RET_LABEL:;
 }
-var = var31;
-goto RET_LABEL;
-} else {
+/* method string#FlatSubstringsIter#init for (self: FlatSubstringsIter, FlatText) */
+void string__FlatSubstringsIter__init(val* self, val* p0) {
+val* var_tgt /* var tgt: FlatText */;
+var_tgt = p0;
+{
+{ /* Inline string#FlatSubstringsIter#tgt= (self,var_tgt) on <self:FlatSubstringsIter> */
+self->attrs[COLOR_string__FlatSubstringsIter___tgt].val = var_tgt; /* _tgt on <self:FlatSubstringsIter> */
+RET_LABEL1:(void)0;
 }
-CONTINUE_label: (void)0;
 }
-BREAK_label: (void)0;
-var35 = self->attrs[COLOR_string__String___index_to].l; /* _index_to on <self:String> */
-var_end_pos = var35;
-for(;;) {
-var36 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-{ /* Inline string#NativeString#[] (var36,var_end_pos) */
-var39 = var36[var_end_pos];
-var37 = var39;
-goto RET_LABEL38;
-RET_LABEL38:(void)0;
+RET_LABEL:;
 }
-{ /* Inline kernel#Char#ascii (var37) */
-var42 = (unsigned char)var37;
-var40 = var42;
-goto RET_LABEL41;
-RET_LABEL41:(void)0;
+/* method string#FlatSubstringsIter#init for (self: Object, FlatText) */
+void VIRTUAL_string__FlatSubstringsIter__init(val* self, val* p0) {
+string__FlatSubstringsIter__init(self, p0); /* Direct call string#FlatSubstringsIter#init on <self:Object(FlatSubstringsIter)>*/
+RET_LABEL:;
 }
-var43 = 32;
-{ /* Inline kernel#Int#<= (var40,var43) */
-/* Covariant cast for argument 0 (i) <var43:Int> isa OTHER */
-/* <var43:Int> isa OTHER */
-var46 = 1; /* easy <var43:Int> isa OTHER*/
-if (!var46) {
-var_class_name49 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name49);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 260);
+/* method string#FlatSubstringsIter#item for (self: FlatSubstringsIter): FlatText */
+val* string__FlatSubstringsIter__item(val* self) {
+val* var /* : FlatText */;
+short int var1 /* : Bool */;
+val* var2 /* : nullable FlatText */;
+val* var4 /* : nullable FlatText */;
+{
+var1 = string__FlatSubstringsIter__is_ok(self);
+}
+if (unlikely(!var1)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 919);
 show_backtrace(1);
 }
-var50 = var40 <= var43;
-var44 = var50;
-goto RET_LABEL45;
-RET_LABEL45:(void)0;
-}
-if (!var44) break;
-var51 = 1;
-{ /* Inline kernel#Int#- (var_end_pos,var51) */
-var54 = var_end_pos - var51;
-var52 = var54;
-goto RET_LABEL53;
-RET_LABEL53:(void)0;
+{
+{ /* Inline string#FlatSubstringsIter#tgt (self) on <self:FlatSubstringsIter> */
+var4 = self->attrs[COLOR_string__FlatSubstringsIter___tgt].val; /* _tgt on <self:FlatSubstringsIter> */
+var2 = var4;
+RET_LABEL3:(void)0;
 }
-var_end_pos = var52;
-{ /* Inline kernel#Int#== (var_end_pos,var_start_pos) */
-var57 = var_end_pos == var_start_pos;
-var55 = var57;
-goto RET_LABEL56;
-RET_LABEL56:(void)0;
 }
-if (var55){
-var58 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-{ /* Inline string#NativeString#[] (var58,var_start_pos) */
-var61 = var58[var_start_pos];
-var59 = var61;
-goto RET_LABEL60;
-RET_LABEL60:(void)0;
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 920);
+show_backtrace(1);
 }
-var62 = string__Char__to_s(var59);
-var = var62;
+var = var2;
 goto RET_LABEL;
-} else {
+RET_LABEL:;
+return var;
 }
-CONTINUE_label63: (void)0;
+/* method string#FlatSubstringsIter#item for (self: Object): nullable Object */
+val* VIRTUAL_string__FlatSubstringsIter__item(val* self) {
+val* var /* : nullable Object */;
+val* var1 /* : FlatText */;
+var1 = string__FlatSubstringsIter__item(self);
+var = var1;
+RET_LABEL:;
+return var;
 }
-BREAK_label63: (void)0;
-var64 = ((long (*)(val*))(self->class->vft[COLOR_string__String__index_from]))(self) /* index_from on <self:String>*/;
-{ /* Inline kernel#Int#- (var_start_pos,var64) */
-var67 = var_start_pos - var64;
-var65 = var67;
-goto RET_LABEL66;
-RET_LABEL66:(void)0;
+/* method string#FlatSubstringsIter#is_ok for (self: FlatSubstringsIter): Bool */
+short int string__FlatSubstringsIter__is_ok(val* self) {
+short int var /* : Bool */;
+val* var1 /* : nullable FlatText */;
+val* var3 /* : nullable FlatText */;
+val* var4 /* : null */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var8 /* : Bool */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+{
+{ /* Inline string#FlatSubstringsIter#tgt (self) on <self:FlatSubstringsIter> */
+var3 = self->attrs[COLOR_string__FlatSubstringsIter___tgt].val; /* _tgt on <self:FlatSubstringsIter> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-var_start_pos = var65;
-var68 = ((long (*)(val*))(self->class->vft[COLOR_string__String__index_from]))(self) /* index_from on <self:String>*/;
-{ /* Inline kernel#Int#- (var_end_pos,var68) */
-var71 = var_end_pos - var68;
-var69 = var71;
-goto RET_LABEL70;
-RET_LABEL70:(void)0;
 }
-var_end_pos = var69;
-{ /* Inline kernel#Int#- (var_end_pos,var_start_pos) */
-var74 = var_end_pos - var_start_pos;
-var72 = var74;
-goto RET_LABEL73;
-RET_LABEL73:(void)0;
+var4 = NULL;
+if (var1 == NULL) {
+var5 = 0; /* is null */
+} else {
+var5 = 1; /* arg is null and recv is not */
 }
-var75 = 1;
-{ /* Inline kernel#Int#+ (var72,var75) */
-var78 = var72 + var75;
-var76 = var78;
-goto RET_LABEL77;
-RET_LABEL77:(void)0;
+if (0) {
+{ /* Inline kernel#Object#!= (var1,var4) on <var1:nullable FlatText> */
+var_other = var4;
+{
+var9 = ((short int (*)(val*, val*))(var1->class->vft[COLOR_kernel__Object___61d_61d]))(var1, var_other) /* == on <var1:nullable FlatText(FlatText)>*/;
+var8 = var9;
 }
-var79 = ((val* (*)(val*, long, long))(self->class->vft[COLOR_string__AbstractString__substring]))(self, var_start_pos, var76) /* substring on <self:String>*/;
-var = var79;
+var10 = !var8;
+var6 = var10;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
+}
+var5 = var6;
+}
+var = var5;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#String#trim for (self: Object): String */
-val* VIRTUAL_string__String__trim(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__String__trim(self);
+/* method string#FlatSubstringsIter#is_ok for (self: Object): Bool */
+short int VIRTUAL_string__FlatSubstringsIter__is_ok(val* self) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+var1 = string__FlatSubstringsIter__is_ok(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#String#output for (self: String) */
-void string__String__output(val* self) {
-long var /* : Int */;
-long var_i /* var i: Int */;
-long var1 /* : Int */;
-long var_imax /* var imax: Int */;
-short int var2 /* : Bool */;
-short int var4 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var5 /* : Bool */;
-char* var6 /* : NativeString */;
-char var7 /* : Char */;
-char var9 /* : Char */;
-long var11 /* : Int */;
-long var12 /* : Int */;
-long var14 /* : Int */;
-var = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-var_i = var;
-var1 = self->attrs[COLOR_string__String___index_to].l; /* _index_to on <self:String> */
-var_imax = var1;
-for(;;) {
-{ /* Inline kernel#Int#<= (var_i,var_imax) */
-/* Covariant cast for argument 0 (i) <var_imax:Int> isa OTHER */
-/* <var_imax:Int> isa OTHER */
-var4 = 1; /* easy <var_imax:Int> isa OTHER*/
-if (!var4) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 260);
-show_backtrace(1);
+/* method string#FlatSubstringsIter#next for (self: FlatSubstringsIter) */
+void string__FlatSubstringsIter__next(val* self) {
+val* var /* : null */;
+var = NULL;
+{
+{ /* Inline string#FlatSubstringsIter#tgt= (self,var) on <self:FlatSubstringsIter> */
+self->attrs[COLOR_string__FlatSubstringsIter___tgt].val = var; /* _tgt on <self:FlatSubstringsIter> */
+RET_LABEL1:(void)0;
 }
-var5 = var_i <= var_imax;
-var2 = var5;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
 }
-if (!var2) break;
-var6 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-{ /* Inline string#NativeString#[] (var6,var_i) */
-var9 = var6[var_i];
-var7 = var9;
-goto RET_LABEL8;
-RET_LABEL8:(void)0;
+RET_LABEL:;
 }
-{ /* Inline kernel#Char#output (var7) */
-printf("%c", var7);
-RET_LABEL10:(void)0;
+/* method string#FlatSubstringsIter#next for (self: Object) */
+void VIRTUAL_string__FlatSubstringsIter__next(val* self) {
+string__FlatSubstringsIter__next(self); /* Direct call string#FlatSubstringsIter#next on <self:Object(FlatSubstringsIter)>*/
+RET_LABEL:;
 }
-var11 = 1;
-{ /* Inline kernel#Int#+ (var_i,var11) */
-var14 = var_i + var11;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
+/* method string#FlatString#index_from for (self: FlatString): Int */
+long string__FlatString__index_from(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+var1 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:FlatString> */
+var = var1;
+RET_LABEL:;
+return var;
 }
-var_i = var12;
-CONTINUE_label: (void)0;
+/* method string#FlatString#index_from for (self: Object): Int */
+long VIRTUAL_string__FlatString__index_from(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+long var3 /* : Int */;
+{ /* Inline string#FlatString#index_from (self) on <self:Object(FlatString)> */
+var3 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:Object(FlatString)> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-BREAK_label: (void)0;
+var = var1;
 RET_LABEL:;
+return var;
 }
-/* method string#String#output for (self: Object) */
-void VIRTUAL_string__String__output(val* self) {
-string__String__output(self);
+/* method string#FlatString#index_from= for (self: FlatString, Int) */
+void string__FlatString__index_from_61d(val* self, long p0) {
+self->attrs[COLOR_string__FlatString___index_from].l = p0; /* _index_from on <self:FlatString> */
 RET_LABEL:;
 }
-/* method string#String#from_substring for (self: String, Int, Int, NativeString) */
-void string__String__from_substring(val* self, long p0, long p1, char* p2) {
-long var_from /* var from: Int */;
-long var_to /* var to: Int */;
-char* var_internalString /* var internalString: NativeString */;
+/* method string#FlatString#index_from= for (self: Object, Int) */
+void VIRTUAL_string__FlatString__index_from_61d(val* self, long p0) {
+{ /* Inline string#FlatString#index_from= (self,p0) on <self:Object(FlatString)> */
+self->attrs[COLOR_string__FlatString___index_from].l = p0; /* _index_from on <self:Object(FlatString)> */
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#FlatString#index_to for (self: FlatString): Int */
+long string__FlatString__index_to(val* self) {
 long var /* : Int */;
-long var2 /* : Int */;
+long var1 /* : Int */;
+var1 = self->attrs[COLOR_string__FlatString___index_to].l; /* _index_to on <self:FlatString> */
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatString#index_to for (self: Object): Int */
+long VIRTUAL_string__FlatString__index_to(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
 long var3 /* : Int */;
-long var4 /* : Int */;
-long var6 /* : Int */;
-var_from = p0;
-var_to = p1;
-var_internalString = p2;
-((void (*)(val*))(self->class->vft[COLOR_string__AbstractString__init]))(self) /* init on <self:String>*/;
-self->attrs[COLOR_string__AbstractString___items].str = var_internalString; /* _items on <self:String> */
-self->attrs[COLOR_string__String___index_from].l = var_from; /* _index_from on <self:String> */
-self->attrs[COLOR_string__String___index_to].l = var_to; /* _index_to on <self:String> */
-{ /* Inline kernel#Int#- (var_to,var_from) */
-var2 = var_to - var_from;
-var = var2;
-goto RET_LABEL1;
-RET_LABEL1:(void)0;
+{ /* Inline string#FlatString#index_to (self) on <self:Object(FlatString)> */
+var3 = self->attrs[COLOR_string__FlatString___index_to].l; /* _index_to on <self:Object(FlatString)> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-var3 = 1;
-{ /* Inline kernel#Int#+ (var,var3) */
-var6 = var + var3;
-var4 = var6;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
+var = var1;
+RET_LABEL:;
+return var;
 }
-self->attrs[COLOR_array__AbstractArrayRead___length].l = var4; /* _length on <self:String> */
+/* method string#FlatString#index_to= for (self: FlatString, Int) */
+void string__FlatString__index_to_61d(val* self, long p0) {
+self->attrs[COLOR_string__FlatString___index_to].l = p0; /* _index_to on <self:FlatString> */
 RET_LABEL:;
 }
-/* method string#String#from_substring for (self: Object, Int, Int, NativeString) */
-void VIRTUAL_string__String__from_substring(val* self, long p0, long p1, char* p2) {
-string__String__from_substring(self, p0, p1, p2);
+/* method string#FlatString#index_to= for (self: Object, Int) */
+void VIRTUAL_string__FlatString__index_to_61d(val* self, long p0) {
+{ /* Inline string#FlatString#index_to= (self,p0) on <self:Object(FlatString)> */
+self->attrs[COLOR_string__FlatString___index_to].l = p0; /* _index_to on <self:Object(FlatString)> */
+RET_LABEL1:(void)0;
+}
 RET_LABEL:;
 }
-/* method string#String#with_infos for (self: String, NativeString, Int, Int, Int) */
-void string__String__with_infos(val* self, char* p0, long p1, long p2, long p3) {
-char* var_items /* var items: NativeString */;
-long var_len /* var len: Int */;
-long var_from /* var from: Int */;
-long var_to /* var to: Int */;
-var_items = p0;
-var_len = p1;
-var_from = p2;
-var_to = p3;
-((void (*)(val*))(self->class->vft[COLOR_string__AbstractString__init]))(self) /* init on <self:String>*/;
-self->attrs[COLOR_string__AbstractString___items].str = var_items; /* _items on <self:String> */
-self->attrs[COLOR_array__AbstractArrayRead___length].l = var_len; /* _length on <self:String> */
-self->attrs[COLOR_string__String___index_from].l = var_from; /* _index_from on <self:String> */
-self->attrs[COLOR_string__String___index_to].l = var_to; /* _index_to on <self:String> */
+/* method string#FlatString#chars for (self: FlatString): SequenceRead[Char] */
+val* string__FlatString__chars(val* self) {
+val* var /* : SequenceRead[Char] */;
+val* var1 /* : SequenceRead[Char] */;
+var1 = self->attrs[COLOR_string__FlatString___chars].val; /* _chars on <self:FlatString> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 939);
+show_backtrace(1);
+}
+var = var1;
 RET_LABEL:;
+return var;
+}
+/* method string#FlatString#chars for (self: Object): SequenceRead[Char] */
+val* VIRTUAL_string__FlatString__chars(val* self) {
+val* var /* : SequenceRead[Char] */;
+val* var1 /* : SequenceRead[Char] */;
+val* var3 /* : SequenceRead[Char] */;
+{ /* Inline string#FlatString#chars (self) on <self:Object(FlatString)> */
+var3 = self->attrs[COLOR_string__FlatString___chars].val; /* _chars on <self:Object(FlatString)> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 939);
+show_backtrace(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-/* method string#String#with_infos for (self: Object, NativeString, Int, Int, Int) */
-void VIRTUAL_string__String__with_infos(val* self, char* p0, long p1, long p2, long p3) {
-string__String__with_infos(self, p0, p1, p2, p3);
+var = var1;
 RET_LABEL:;
+return var;
 }
-/* method string#String#to_cstring for (self: String): NativeString */
-char* string__String__to_cstring(val* self) {
-char* var /* : NativeString */;
-short int var1 /* : Bool */;
-long var2 /* : Int */;
-long var3 /* : Int */;
+/* method string#FlatString#[] for (self: FlatString, Int): Char */
+char string__FlatString___91d_93d(val* self, long p0) {
+char var /* : Char */;
+long var_index /* var index: Int */;
+long var1 /* : Int */;
+short int var2 /* : Bool */;
 short int var4 /* : Bool */;
-short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var7 /* : Bool */;
-short int var_ /* var : Bool */;
+short int var5 /* : Bool */;
+long var6 /* : Int */;
 long var8 /* : Int */;
-char* var9 /* : NativeString */;
-long var10 /* : Int */;
-long var11 /* : Int */;
-long var12 /* : Int */;
-long var14 /* : Int */;
-short int var15 /* : Bool */;
-short int var17 /* : Bool */;
-short int var18 /* : Bool */;
-long var19 /* : Int */;
-long var20 /* : Int */;
-long var21 /* : Int */;
-long var23 /* : Int */;
-char* var24 /* : NativeString */;
-char* var_newItems /* var newItems: NativeString */;
-char* var25 /* : NativeString */;
-long var26 /* : Int */;
-long var27 /* : Int */;
-long var28 /* : Int */;
-long var30 /* : Int */;
-char var31 /* : Char */;
-char* var33 /* : NativeString */;
-var2 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-var3 = 0;
-{ /* Inline kernel#Int#> (var2,var3) */
-/* Covariant cast for argument 0 (i) <var3:Int> isa OTHER */
-/* <var3:Int> isa OTHER */
-var6 = 1; /* easy <var3:Int> isa OTHER*/
-if (!var6) {
+long var9 /* : Int */;
+short int var11 /* : Bool */;
+int cltype12;
+int idtype13;
+const char* var_class_name14;
+long var15 /* : Int */;
+long var16 /* : Int */;
+long var18 /* : Int */;
+short int var19 /* : Bool */;
+short int var21 /* : Bool */;
+int cltype22;
+int idtype23;
+const char* var_class_name24;
+short int var25 /* : Bool */;
+char* var26 /* : NativeString */;
+char* var28 /* : NativeString */;
+long var29 /* : Int */;
+long var31 /* : Int */;
+long var32 /* : Int */;
+short int var34 /* : Bool */;
+int cltype35;
+int idtype36;
+const char* var_class_name37;
+long var38 /* : Int */;
+char var39 /* : Char */;
+char var41 /* : Char */;
+var_index = p0;
+var1 = 0;
+{
+{ /* Inline kernel#Int#>= (var_index,var1) on <var_index:Int> */
+/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
+/* <var1:Int> isa OTHER */
+var4 = 1; /* easy <var1:Int> isa OTHER*/
+if (unlikely(!var4)) {
 var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 263);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 372);
 show_backtrace(1);
 }
-var7 = var2 > var3;
-var4 = var7;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
+var5 = var_index >= var1;
+var2 = var5;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
 }
-var_ = var4;
-if (var4){
-var1 = var_;
-} else {
-var8 = self->attrs[COLOR_string__String___index_to].l; /* _index_to on <self:String> */
-var9 = ((char* (*)(val*))(self->class->vft[COLOR_string__AbstractString__items]))(self) /* items on <self:String>*/;
-var10 = string__NativeString__cstring_length(var9);
-var11 = 1;
-{ /* Inline kernel#Int#- (var10,var11) */
-var14 = var10 - var11;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
 }
-{ /* Inline kernel#Int#!= (var8,var12) */
-var17 = var8 == var12;
-var18 = !var17;
-var15 = var18;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
+if (unlikely(!var2)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 945);
+show_backtrace(1);
 }
-var1 = var15;
+{
+{ /* Inline string#FlatString#index_from (self) on <self:FlatString> */
+var8 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:FlatString> */
+var6 = var8;
+RET_LABEL7:(void)0;
 }
-if (var1){
-var19 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var20 = 1;
-{ /* Inline kernel#Int#+ (var19,var20) */
-var23 = var19 + var20;
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
 }
-var24 = ((char* (*)(val*, long))(self->class->vft[COLOR_string__StringCapable__calloc_string]))(self, var21) /* calloc_string on <self:String>*/;
-var_newItems = var24;
-var25 = ((char* (*)(val*))(self->class->vft[COLOR_string__AbstractString__items]))(self) /* items on <self:String>*/;
-var26 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var27 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-var28 = 0;
-{ /* Inline string#NativeString#copy_to (var25,var_newItems,var26,var27,var28) */
-memcpy(var_newItems+var28,var25+var27,var26);
-RET_LABEL29:(void)0;
+{
+{ /* Inline kernel#Int#+ (var_index,var6) on <var_index:Int> */
+/* Covariant cast for argument 0 (i) <var6:Int> isa OTHER */
+/* <var6:Int> isa OTHER */
+var11 = 1; /* easy <var6:Int> isa OTHER*/
+if (unlikely(!var11)) {
+var_class_name14 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name14);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
 }
-var30 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:String>*/;
-var31 = '\0';
-{ /* Inline string#NativeString#[]= (var_newItems,var30,var31) */
-var_newItems[var30]=var31;
-RET_LABEL32:(void)0;
+var15 = var_index + var6;
+var9 = var15;
+goto RET_LABEL10;
+RET_LABEL10:(void)0;
 }
-var = var_newItems;
-goto RET_LABEL;
-} else {
 }
-var33 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-var = var33;
+{
+{ /* Inline string#FlatString#index_to (self) on <self:FlatString> */
+var18 = self->attrs[COLOR_string__FlatString___index_to].l; /* _index_to on <self:FlatString> */
+var16 = var18;
+RET_LABEL17:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#<= (var9,var16) on <var9:Int> */
+/* Covariant cast for argument 0 (i) <var16:Int> isa OTHER */
+/* <var16:Int> isa OTHER */
+var21 = 1; /* easy <var16:Int> isa OTHER*/
+if (unlikely(!var21)) {
+var_class_name24 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name24);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 370);
+show_backtrace(1);
+}
+var25 = var9 <= var16;
+var19 = var25;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
+}
+}
+if (unlikely(!var19)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 946);
+show_backtrace(1);
+}
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatString> */
+var28 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatString> */
+var26 = var28;
+RET_LABEL27:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_from (self) on <self:FlatString> */
+var31 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:FlatString> */
+var29 = var31;
+RET_LABEL30:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var_index,var29) on <var_index:Int> */
+/* Covariant cast for argument 0 (i) <var29:Int> isa OTHER */
+/* <var29:Int> isa OTHER */
+var34 = 1; /* easy <var29:Int> isa OTHER*/
+if (unlikely(!var34)) {
+var_class_name37 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name37);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var38 = var_index + var29;
+var32 = var38;
+goto RET_LABEL33;
+RET_LABEL33:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#[] (var26,var32) on <var26:NativeString> */
+var41 = var26[var32];
+var39 = var41;
+goto RET_LABEL40;
+RET_LABEL40:(void)0;
+}
+}
+var = var39;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#String#to_cstring for (self: Object): NativeString */
-char* VIRTUAL_string__String__to_cstring(val* self) {
-char* var /* : NativeString */;
-char* var1 /* : NativeString */;
-var1 = string__String__to_cstring(self);
+/* method string#FlatString#[] for (self: Object, Int): Char */
+char VIRTUAL_string__FlatString___91d_93d(val* self, long p0) {
+char var /* : Char */;
+char var1 /* : Char */;
+var1 = string__FlatString___91d_93d(self, p0);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#String#== for (self: String, nullable Object): Bool */
-short int string__String___61d_61d(val* self, val* p0) {
-short int var /* : Bool */;
-val* var_other /* var other: nullable Object */;
-short int var1 /* : Bool */;
+/* method string#FlatString#substring for (self: FlatString, Int, Int): String */
+val* string__FlatString__substring(val* self, long p0, long p1) {
+val* var /* : String */;
+long var_from /* var from: Int */;
+long var_count /* var count: Int */;
+long var1 /* : Int */;
+short int var2 /* : Bool */;
+short int var4 /* : Bool */;
 int cltype;
 int idtype;
-short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-long var4 /* : Int */;
-long var5 /* : Int */;
-short int var6 /* : Bool */;
-short int var8 /* : Bool */;
+const char* var_class_name;
+short int var5 /* : Bool */;
+long var6 /* : Int */;
+short int var7 /* : Bool */;
 short int var9 /* : Bool */;
-long var10 /* : Int */;
-long var_my_length /* var my_length: Int */;
-long var11 /* : Int */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-short int var15 /* : Bool */;
-short int var16 /* : Bool */;
-long var17 /* : Int */;
-long var_my_index /* var my_index: Int */;
-long var18 /* : Int */;
-long var_its_index /* var its_index: Int */;
-long var19 /* : Int */;
+int cltype10;
+int idtype11;
+const char* var_class_name12;
+short int var13 /* : Bool */;
+long var14 /* : Int */;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
+const char* var_class_name19;
+long var20 /* : Int */;
 long var21 /* : Int */;
-long var_last_iteration /* var last_iteration: Int */;
-char* var22 /* : NativeString */;
-char* var_itsitems /* var itsitems: NativeString */;
-char* var23 /* : NativeString */;
-char* var_myitems /* var myitems: NativeString */;
+short int var22 /* : Bool */;
 short int var24 /* : Bool */;
-short int var26 /* : Bool */;
-int cltype27;
-int idtype28;
-const char* var_class_name;
-short int var29 /* : Bool */;
-char var30 /* : Char */;
-char var32 /* : Char */;
-char var33 /* : Char */;
-char var35 /* : Char */;
+int cltype25;
+int idtype26;
+const char* var_class_name27;
+short int var28 /* : Bool */;
+long var29 /* : Int */;
+long var30 /* : Int */;
+long var31 /* : Int */;
+long var33 /* : Int */;
+long var34 /* : Int */;
 short int var36 /* : Bool */;
-short int var38 /* : Bool */;
-short int var39 /* : Bool */;
-short int var40 /* : Bool */;
+int cltype37;
+int idtype38;
+const char* var_class_name39;
+long var40 /* : Int */;
+long var_realFrom /* var realFrom: Int */;
 long var41 /* : Int */;
-long var42 /* : Int */;
-long var44 /* : Int */;
-long var45 /* : Int */;
-long var46 /* : Int */;
+short int var43 /* : Bool */;
+int cltype44;
+int idtype45;
+const char* var_class_name46;
+long var47 /* : Int */;
 long var48 /* : Int */;
-short int var49 /* : Bool */;
-var_other = p0;
-/* <var_other:nullable Object> isa String */
-cltype = type_string__String.color;
-idtype = type_string__String.id;
-if(var_other == NULL) {
+long var50 /* : Int */;
+short int var51 /* : Bool */;
+short int var53 /* : Bool */;
+int cltype54;
+int idtype55;
+const char* var_class_name56;
+short int var57 /* : Bool */;
+val* var58 /* : FlatString */;
+char* var59 /* : NativeString */;
+char* var61 /* : NativeString */;
+long var62 /* : Int */;
+long var64 /* : Int */;
+long var65 /* : Int */;
+short int var67 /* : Bool */;
+int cltype68;
+int idtype69;
+const char* var_class_name70;
+long var71 /* : Int */;
+long var72 /* : Int */;
+long var73 /* : Int */;
+short int var75 /* : Bool */;
+int cltype76;
+int idtype77;
+const char* var_class_name78;
+long var79 /* : Int */;
+long var80 /* : Int */;
+long var82 /* : Int */;
+short int var83 /* : Bool */;
+int cltype84;
+int idtype85;
+const struct type* type_struct;
+const char* var_class_name86;
+long var87 /* : Int */;
+short int var88 /* : Bool */;
+short int var89 /* : Bool */;
+short int var91 /* : Bool */;
+val* var92 /* : String */;
+long var93 /* : Int */;
+short int var95 /* : Bool */;
+int cltype96;
+int idtype97;
+const char* var_class_name98;
+long var99 /* : Int */;
+long var100 /* : Int */;
+long var101 /* : Int */;
+short int var103 /* : Bool */;
+int cltype104;
+int idtype105;
+const char* var_class_name106;
+long var107 /* : Int */;
+long var_to /* var to: Int */;
+val* var108 /* : FlatString */;
+char* var109 /* : NativeString */;
+char* var111 /* : NativeString */;
+long var112 /* : Int */;
+short int var114 /* : Bool */;
+int cltype115;
+int idtype116;
+const char* var_class_name117;
+long var118 /* : Int */;
+long var119 /* : Int */;
+long var120 /* : Int */;
+short int var122 /* : Bool */;
+int cltype123;
+int idtype124;
+const char* var_class_name125;
+long var126 /* : Int */;
+short int var127 /* : Bool */;
+int cltype128;
+int idtype129;
+const struct type* type_struct130;
+const char* var_class_name131;
+var_from = p0;
+var_count = p1;
 var1 = 0;
+{
+{ /* Inline kernel#Int#>= (var_count,var1) on <var_count:Int> */
+/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
+/* <var1:Int> isa OTHER */
+var4 = 1; /* easy <var1:Int> isa OTHER*/
+if (unlikely(!var4)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 372);
+show_backtrace(1);
+}
+var5 = var_count >= var1;
+var2 = var5;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
+}
+}
+if (unlikely(!var2)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 971);
+show_backtrace(1);
+}
+var6 = 0;
+{
+{ /* Inline kernel#Int#< (var_from,var6) on <var_from:Int> */
+/* Covariant cast for argument 0 (i) <var6:Int> isa OTHER */
+/* <var6:Int> isa OTHER */
+var9 = 1; /* easy <var6:Int> isa OTHER*/
+if (unlikely(!var9)) {
+var_class_name12 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name12);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var13 = var_from < var6;
+var7 = var13;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
+}
+}
+if (var7){
+{
+{ /* Inline kernel#Int#+ (var_count,var_from) on <var_count:Int> */
+/* Covariant cast for argument 0 (i) <var_from:Int> isa OTHER */
+/* <var_from:Int> isa OTHER */
+var16 = 1; /* easy <var_from:Int> isa OTHER*/
+if (unlikely(!var16)) {
+var_class_name19 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name19);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var20 = var_count + var_from;
+var14 = var20;
+goto RET_LABEL15;
+RET_LABEL15:(void)0;
+}
+}
+var_count = var14;
+var21 = 0;
+{
+{ /* Inline kernel#Int#< (var_count,var21) on <var_count:Int> */
+/* Covariant cast for argument 0 (i) <var21:Int> isa OTHER */
+/* <var21:Int> isa OTHER */
+var24 = 1; /* easy <var21:Int> isa OTHER*/
+if (unlikely(!var24)) {
+var_class_name27 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name27);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var28 = var_count < var21;
+var22 = var28;
+goto RET_LABEL23;
+RET_LABEL23:(void)0;
+}
+}
+if (var22){
+var29 = 0;
+var_count = var29;
 } else {
-if(cltype >= var_other->type->table_size) {
-var1 = 0;
+}
+var30 = 0;
+var_from = var30;
 } else {
-var1 = var_other->type->type_table[cltype] == idtype;
 }
+{
+{ /* Inline string#FlatString#index_from (self) on <self:FlatString> */
+var33 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:FlatString> */
+var31 = var33;
+RET_LABEL32:(void)0;
 }
-var2 = !var1;
-if (var2){
-var3 = 0;
-var = var3;
-goto RET_LABEL;
+}
+{
+{ /* Inline kernel#Int#+ (var31,var_from) on <var31:Int> */
+/* Covariant cast for argument 0 (i) <var_from:Int> isa OTHER */
+/* <var_from:Int> isa OTHER */
+var36 = 1; /* easy <var_from:Int> isa OTHER*/
+if (unlikely(!var36)) {
+var_class_name39 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name39);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var40 = var31 + var_from;
+var34 = var40;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
+}
+}
+var_realFrom = var34;
+{
+{ /* Inline kernel#Int#+ (var_realFrom,var_count) on <var_realFrom:Int> */
+/* Covariant cast for argument 0 (i) <var_count:Int> isa OTHER */
+/* <var_count:Int> isa OTHER */
+var43 = 1; /* easy <var_count:Int> isa OTHER*/
+if (unlikely(!var43)) {
+var_class_name46 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name46);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var47 = var_realFrom + var_count;
+var41 = var47;
+goto RET_LABEL42;
+RET_LABEL42:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_to (self) on <self:FlatString> */
+var50 = self->attrs[COLOR_string__FlatString___index_to].l; /* _index_to on <self:FlatString> */
+var48 = var50;
+RET_LABEL49:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#> (var41,var48) on <var41:Int> */
+/* Covariant cast for argument 0 (i) <var48:Int> isa OTHER */
+/* <var48:Int> isa OTHER */
+var53 = 1; /* easy <var48:Int> isa OTHER*/
+if (unlikely(!var53)) {
+var_class_name56 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name56);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 373);
+show_backtrace(1);
+}
+var57 = var41 > var48;
+var51 = var57;
+goto RET_LABEL52;
+RET_LABEL52:(void)0;
+}
+}
+if (var51){
+var58 = NEW_string__FlatString(&type_string__FlatString);
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatString> */
+var61 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatString> */
+var59 = var61;
+RET_LABEL60:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_to (self) on <self:FlatString> */
+var64 = self->attrs[COLOR_string__FlatString___index_to].l; /* _index_to on <self:FlatString> */
+var62 = var64;
+RET_LABEL63:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#- (var62,var_realFrom) on <var62:Int> */
+/* Covariant cast for argument 0 (i) <var_realFrom:Int> isa OTHER */
+/* <var_realFrom:Int> isa OTHER */
+var67 = 1; /* easy <var_realFrom:Int> isa OTHER*/
+if (unlikely(!var67)) {
+var_class_name70 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name70);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 377);
+show_backtrace(1);
+}
+var71 = var62 - var_realFrom;
+var65 = var71;
+goto RET_LABEL66;
+RET_LABEL66:(void)0;
+}
+}
+var72 = 1;
+{
+{ /* Inline kernel#Int#+ (var65,var72) on <var65:Int> */
+/* Covariant cast for argument 0 (i) <var72:Int> isa OTHER */
+/* <var72:Int> isa OTHER */
+var75 = 1; /* easy <var72:Int> isa OTHER*/
+if (unlikely(!var75)) {
+var_class_name78 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name78);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var79 = var65 + var72;
+var73 = var79;
+goto RET_LABEL74;
+RET_LABEL74:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_to (self) on <self:FlatString> */
+var82 = self->attrs[COLOR_string__FlatString___index_to].l; /* _index_to on <self:FlatString> */
+var80 = var82;
+RET_LABEL81:(void)0;
+}
+}
+{
+string__FlatString__with_infos(var58, var59, var73, var_realFrom, var80); /* Direct call string#FlatString#with_infos on <var58:FlatString>*/
+}
+/* <var58:FlatString> isa SELFTYPE */
+type_struct = self->type->resolution_table->types[COLOR_string__Text_VTSELFTYPE];
+cltype84 = type_struct->color;
+idtype85 = type_struct->id;
+if(cltype84 >= var58->type->table_size) {
+var83 = 0;
 } else {
+var83 = var58->type->type_table[cltype84] == idtype85;
 }
-var4 = ((long (*)(val*))(self->class->vft[COLOR_kernel__Object__object_id]))(self) /* object_id on <self:String>*/;
-var5 = ((long (*)(val*))(var_other->class->vft[COLOR_kernel__Object__object_id]))(var_other) /* object_id on <var_other:nullable Object(String)>*/;
-{ /* Inline kernel#Int#== (var4,var5) */
-var8 = var4 == var5;
-var6 = var8;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+if (unlikely(!var83)) {
+var_class_name86 = var58 == NULL ? "null" : var58->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name86);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 981);
+show_backtrace(1);
 }
-if (var6){
-var9 = 1;
-var = var9;
+var = var58;
 goto RET_LABEL;
 } else {
 }
-var10 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var_my_length = var10;
-var11 = var_other->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <var_other:nullable Object(String)> */
-{ /* Inline kernel#Int#!= (var11,var_my_length) */
-var14 = var11 == var_my_length;
-var15 = !var14;
-var12 = var15;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
+var87 = 0;
+{
+{ /* Inline kernel#Int#== (var_count,var87) on <var_count:Int> */
+var91 = var_count == var87;
+var89 = var91;
+goto RET_LABEL90;
+RET_LABEL90:(void)0;
+}
+var88 = var89;
+}
+if (var88){
+{
+var92 = string__FlatString__empty(self);
 }
-if (var12){
-var16 = 0;
-var = var16;
+var = var92;
 goto RET_LABEL;
 } else {
 }
-var17 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-var_my_index = var17;
-var18 = var_other->attrs[COLOR_string__String___index_from].l; /* _index_from on <var_other:nullable Object(String)> */
-var_its_index = var18;
-{ /* Inline kernel#Int#+ (var_my_index,var_my_length) */
-var21 = var_my_index + var_my_length;
-var19 = var21;
-goto RET_LABEL20;
-RET_LABEL20:(void)0;
-}
-var_last_iteration = var19;
-var22 = var_other->attrs[COLOR_string__AbstractString___items].str; /* _items on <var_other:nullable Object(String)> */
-var_itsitems = var22;
-var23 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-var_myitems = var23;
-for(;;) {
-{ /* Inline kernel#Int#< (var_my_index,var_last_iteration) */
-/* Covariant cast for argument 0 (i) <var_last_iteration:Int> isa OTHER */
-/* <var_last_iteration:Int> isa OTHER */
-var26 = 1; /* easy <var_last_iteration:Int> isa OTHER*/
-if (!var26) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
+{
+{ /* Inline kernel#Int#+ (var_realFrom,var_count) on <var_realFrom:Int> */
+/* Covariant cast for argument 0 (i) <var_count:Int> isa OTHER */
+/* <var_count:Int> isa OTHER */
+var95 = 1; /* easy <var_count:Int> isa OTHER*/
+if (unlikely(!var95)) {
+var_class_name98 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name98);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
 show_backtrace(1);
 }
-var29 = var_my_index < var_last_iteration;
-var24 = var29;
-goto RET_LABEL25;
-RET_LABEL25:(void)0;
+var99 = var_realFrom + var_count;
+var93 = var99;
+goto RET_LABEL94;
+RET_LABEL94:(void)0;
+}
+}
+var100 = 1;
+{
+{ /* Inline kernel#Int#- (var93,var100) on <var93:Int> */
+/* Covariant cast for argument 0 (i) <var100:Int> isa OTHER */
+/* <var100:Int> isa OTHER */
+var103 = 1; /* easy <var100:Int> isa OTHER*/
+if (unlikely(!var103)) {
+var_class_name106 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name106);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 377);
+show_backtrace(1);
 }
-if (!var24) break;
-{ /* Inline string#NativeString#[] (var_myitems,var_my_index) */
-var32 = var_myitems[var_my_index];
-var30 = var32;
-goto RET_LABEL31;
-RET_LABEL31:(void)0;
+var107 = var93 - var100;
+var101 = var107;
+goto RET_LABEL102;
+RET_LABEL102:(void)0;
+}
+}
+var_to = var101;
+var108 = NEW_string__FlatString(&type_string__FlatString);
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatString> */
+var111 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatString> */
+var109 = var111;
+RET_LABEL110:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#- (var_to,var_realFrom) on <var_to:Int> */
+/* Covariant cast for argument 0 (i) <var_realFrom:Int> isa OTHER */
+/* <var_realFrom:Int> isa OTHER */
+var114 = 1; /* easy <var_realFrom:Int> isa OTHER*/
+if (unlikely(!var114)) {
+var_class_name117 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name117);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 377);
+show_backtrace(1);
 }
-{ /* Inline string#NativeString#[] (var_itsitems,var_its_index) */
-var35 = var_itsitems[var_its_index];
-var33 = var35;
-goto RET_LABEL34;
-RET_LABEL34:(void)0;
+var118 = var_to - var_realFrom;
+var112 = var118;
+goto RET_LABEL113;
+RET_LABEL113:(void)0;
+}
+}
+var119 = 1;
+{
+{ /* Inline kernel#Int#+ (var112,var119) on <var112:Int> */
+/* Covariant cast for argument 0 (i) <var119:Int> isa OTHER */
+/* <var119:Int> isa OTHER */
+var122 = 1; /* easy <var119:Int> isa OTHER*/
+if (unlikely(!var122)) {
+var_class_name125 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name125);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
 }
-{ /* Inline kernel#Char#!= (var30,var33) */
-var38 = var30 == var33;
-var39 = !var38;
-var36 = var39;
-goto RET_LABEL37;
-RET_LABEL37:(void)0;
+var126 = var112 + var119;
+var120 = var126;
+goto RET_LABEL121;
+RET_LABEL121:(void)0;
 }
-if (var36){
-var40 = 0;
-var = var40;
-goto RET_LABEL;
-} else {
 }
-var41 = 1;
-{ /* Inline kernel#Int#+ (var_my_index,var41) */
-var44 = var_my_index + var41;
-var42 = var44;
-goto RET_LABEL43;
-RET_LABEL43:(void)0;
+{
+string__FlatString__with_infos(var108, var109, var120, var_realFrom, var_to); /* Direct call string#FlatString#with_infos on <var108:FlatString>*/
 }
-var_my_index = var42;
-var45 = 1;
-{ /* Inline kernel#Int#+ (var_its_index,var45) */
-var48 = var_its_index + var45;
-var46 = var48;
-goto RET_LABEL47;
-RET_LABEL47:(void)0;
+/* <var108:FlatString> isa SELFTYPE */
+type_struct130 = self->type->resolution_table->types[COLOR_string__Text_VTSELFTYPE];
+cltype128 = type_struct130->color;
+idtype129 = type_struct130->id;
+if(cltype128 >= var108->type->table_size) {
+var127 = 0;
+} else {
+var127 = var108->type->type_table[cltype128] == idtype129;
 }
-var_its_index = var46;
-CONTINUE_label: (void)0;
+if (unlikely(!var127)) {
+var_class_name131 = var108 == NULL ? "null" : var108->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name131);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 987);
+show_backtrace(1);
 }
-BREAK_label: (void)0;
-var49 = 1;
-var = var49;
+var = var108;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#String#== for (self: Object, nullable Object): Bool */
-short int VIRTUAL_string__String___61d_61d(val* self, val* p0) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = string__String___61d_61d(self, p0);
+/* method string#FlatString#substring for (self: Object, Int, Int): Text */
+val* VIRTUAL_string__FlatString__substring(val* self, long p0, long p1) {
+val* var /* : Text */;
+val* var1 /* : String */;
+var1 = string__FlatString__substring(self, p0, p1);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#String#< for (self: String, String): Bool */
-short int string__String___60d(val* self, val* p0) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
+/* method string#FlatString#empty for (self: FlatString): String */
+val* string__FlatString__empty(val* self) {
+val* var /* : String */;
+static val* varonce;
+val* var1 /* : String */;
+char* var2 /* : NativeString */;
+long var3 /* : Int */;
+val* var4 /* : FlatString */;
+short int var5 /* : Bool */;
 int cltype;
 int idtype;
-const struct type* type_struct;
 const char* var_class_name;
-val* var_other /* var other: String */;
-long var2 /* : Int */;
-long var3 /* : Int */;
-short int var4 /* : Bool */;
 short int var6 /* : Bool */;
-short int var7 /* : Bool */;
-long var8 /* : Int */;
-long var_curr_id_self /* var curr_id_self: Int */;
-long var9 /* : Int */;
-long var_curr_id_other /* var curr_id_other: Int */;
-char* var10 /* : NativeString */;
-char* var_my_items /* var my_items: NativeString */;
-char* var11 /* : NativeString */;
-char* var_its_items /* var its_items: NativeString */;
-long var12 /* : Int */;
-long var_my_length /* var my_length: Int */;
-long var13 /* : Int */;
-long var_its_length /* var its_length: Int */;
-long var14 /* : Int */;
-long var16 /* : Int */;
-long var_max_iterations /* var max_iterations: Int */;
-short int var17 /* : Bool */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
-const char* var_class_name22;
-short int var23 /* : Bool */;
-char var24 /* : Char */;
-char var26 /* : Char */;
-char var_my_curr_char /* var my_curr_char: Char */;
-char var27 /* : Char */;
+int cltype7;
+int idtype8;
+const struct type* type_struct;
+const char* var_class_name9;
+if (varonce) {
+var1 = varonce;
+} else {
+var2 = "";
+var3 = 0;
+var4 = string__NativeString__to_s_with_length(var2, var3);
+var1 = var4;
+varonce = var1;
+}
+/* <var1:String> isa FlatString */
+cltype = type_string__FlatString.color;
+idtype = type_string__FlatString.id;
+if(cltype >= var1->type->table_size) {
+var5 = 0;
+} else {
+var5 = var1->type->type_table[cltype] == idtype;
+}
+if (unlikely(!var5)) {
+var_class_name = var1 == NULL ? "null" : var1->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "FlatString", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 990);
+show_backtrace(1);
+}
+/* <var1:String(FlatString)> isa SELFTYPE */
+type_struct = self->type->resolution_table->types[COLOR_string__Text_VTSELFTYPE];
+cltype7 = type_struct->color;
+idtype8 = type_struct->id;
+if(cltype7 >= var1->type->table_size) {
+var6 = 0;
+} else {
+var6 = var1->type->type_table[cltype7] == idtype8;
+}
+if (unlikely(!var6)) {
+var_class_name9 = var1 == NULL ? "null" : var1->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name9);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 990);
+show_backtrace(1);
+}
+var = var1;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatString#empty for (self: Object): Text */
+val* VIRTUAL_string__FlatString__empty(val* self) {
+val* var /* : Text */;
+val* var1 /* : String */;
+var1 = string__FlatString__empty(self);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatString#to_upper for (self: FlatString): String */
+val* string__FlatString__to_upper(val* self) {
+val* var /* : String */;
+long var1 /* : Int */;
+long var3 /* : Int */;
+long var4 /* : Int */;
+long var5 /* : Int */;
+short int var7 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var8 /* : Int */;
+char* var9 /* : NativeString */;
+char* var11 /* : NativeString */;
+char* var_outstr /* var outstr: NativeString */;
+long var12 /* : Int */;
+long var_out_index /* var out_index: Int */;
+char* var13 /* : NativeString */;
+char* var15 /* : NativeString */;
+char* var_myitems /* var myitems: NativeString */;
+long var16 /* : Int */;
+long var18 /* : Int */;
+long var_index_from /* var index_from: Int */;
+long var19 /* : Int */;
+long var21 /* : Int */;
+long var_max /* var max: Int */;
+short int var22 /* : Bool */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+const char* var_class_name27;
+short int var28 /* : Bool */;
 char var29 /* : Char */;
-char var_its_curr_char /* var its_curr_char: Char */;
-short int var30 /* : Bool */;
-short int var32 /* : Bool */;
-short int var33 /* : Bool */;
-short int var34 /* : Bool */;
-short int var36 /* : Bool */;
-int cltype37;
-int idtype38;
-const char* var_class_name39;
-short int var40 /* : Bool */;
-short int var41 /* : Bool */;
-short int var42 /* : Bool */;
+char var31 /* : Char */;
+char var32 /* : Char */;
+long var34 /* : Int */;
+long var35 /* : Int */;
+short int var37 /* : Bool */;
+int cltype38;
+int idtype39;
+const char* var_class_name40;
+long var41 /* : Int */;
+long var42 /* : Int */;
 long var43 /* : Int */;
-long var44 /* : Int */;
-long var46 /* : Int */;
-long var47 /* : Int */;
-long var48 /* : Int */;
+short int var45 /* : Bool */;
+int cltype46;
+int idtype47;
+const char* var_class_name48;
+long var49 /* : Int */;
 long var50 /* : Int */;
-short int var51 /* : Bool */;
-short int var53 /* : Bool */;
-int cltype54;
-int idtype55;
-const char* var_class_name56;
-short int var57 /* : Bool */;
-/* Covariant cast for argument 0 (other) <p0:String> isa OTHER */
-/* <p0:String> isa OTHER */
-type_struct = self->type->resolution_table->types[COLOR_kernel__Comparable_VTOTHER];
-cltype = type_struct->color;
-idtype = type_struct->id;
-if(cltype >= p0->type->table_size) {
-var1 = 0;
-} else {
-var1 = p0->type->type_table[cltype] == idtype;
+long var52 /* : Int */;
+char var53 /* : Char */;
+long var55 /* : Int */;
+long var57 /* : Int */;
+val* var58 /* : FlatString */;
+short int var59 /* : Bool */;
+int cltype60;
+int idtype61;
+const struct type* type_struct;
+const char* var_class_name62;
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var3 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-if (!var1) {
-var_class_name = p0 == NULL ? "null" : p0->type->name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 571);
+}
+var4 = 1;
+{
+{ /* Inline kernel#Int#+ (var1,var4) on <var1:Int> */
+/* Covariant cast for argument 0 (i) <var4:Int> isa OTHER */
+/* <var4:Int> isa OTHER */
+var7 = 1; /* easy <var4:Int> isa OTHER*/
+if (unlikely(!var7)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
 show_backtrace(1);
 }
-var_other = p0;
-var2 = ((long (*)(val*))(self->class->vft[COLOR_kernel__Object__object_id]))(self) /* object_id on <self:String>*/;
-var3 = ((long (*)(val*))(var_other->class->vft[COLOR_kernel__Object__object_id]))(var_other) /* object_id on <var_other:String>*/;
-{ /* Inline kernel#Int#== (var2,var3) */
-var6 = var2 == var3;
-var4 = var6;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
+var8 = var1 + var4;
+var5 = var8;
+goto RET_LABEL6;
+RET_LABEL6:(void)0;
 }
-if (var4){
-var7 = 0;
-var = var7;
-goto RET_LABEL;
-} else {
 }
-var8 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-var_curr_id_self = var8;
-var9 = var_other->attrs[COLOR_string__String___index_from].l; /* _index_from on <var_other:String> */
-var_curr_id_other = var9;
-var10 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-var_my_items = var10;
-var11 = var_other->attrs[COLOR_string__AbstractString___items].str; /* _items on <var_other:String> */
-var_its_items = var11;
-var12 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var_my_length = var12;
-var13 = var_other->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <var_other:String> */
-var_its_length = var13;
-{ /* Inline kernel#Int#+ (var_curr_id_self,var_my_length) */
-var16 = var_curr_id_self + var_my_length;
-var14 = var16;
-goto RET_LABEL15;
-RET_LABEL15:(void)0;
+{
+{ /* Inline string#StringCapable#calloc_string (self,var5) on <self:FlatString> */
+var11 = (char*)nit_alloc(var5);
+var9 = var11;
+goto RET_LABEL10;
+RET_LABEL10:(void)0;
+}
+}
+var_outstr = var9;
+var12 = 0;
+var_out_index = var12;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatString> */
+var15 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatString> */
+var13 = var15;
+RET_LABEL14:(void)0;
+}
+}
+var_myitems = var13;
+{
+{ /* Inline string#FlatString#index_from (self) on <self:FlatString> */
+var18 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:FlatString> */
+var16 = var18;
+RET_LABEL17:(void)0;
+}
+}
+var_index_from = var16;
+{
+{ /* Inline string#FlatString#index_to (self) on <self:FlatString> */
+var21 = self->attrs[COLOR_string__FlatString___index_to].l; /* _index_to on <self:FlatString> */
+var19 = var21;
+RET_LABEL20:(void)0;
 }
-var_max_iterations = var14;
+}
+var_max = var19;
 for(;;) {
-{ /* Inline kernel#Int#< (var_curr_id_self,var_max_iterations) */
-/* Covariant cast for argument 0 (i) <var_max_iterations:Int> isa OTHER */
-/* <var_max_iterations:Int> isa OTHER */
-var19 = 1; /* easy <var_max_iterations:Int> isa OTHER*/
-if (!var19) {
-var_class_name22 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name22);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
+{
+{ /* Inline kernel#Int#<= (var_index_from,var_max) on <var_index_from:Int> */
+/* Covariant cast for argument 0 (i) <var_max:Int> isa OTHER */
+/* <var_max:Int> isa OTHER */
+var24 = 1; /* easy <var_max:Int> isa OTHER*/
+if (unlikely(!var24)) {
+var_class_name27 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name27);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 370);
 show_backtrace(1);
 }
-var23 = var_curr_id_self < var_max_iterations;
-var17 = var23;
-goto RET_LABEL18;
-RET_LABEL18:(void)0;
+var28 = var_index_from <= var_max;
+var22 = var28;
+goto RET_LABEL23;
+RET_LABEL23:(void)0;
 }
-if (!var17) break;
-{ /* Inline string#NativeString#[] (var_my_items,var_curr_id_self) */
-var26 = var_my_items[var_curr_id_self];
-var24 = var26;
-goto RET_LABEL25;
-RET_LABEL25:(void)0;
 }
-var_my_curr_char = var24;
-{ /* Inline string#NativeString#[] (var_its_items,var_curr_id_other) */
-var29 = var_its_items[var_curr_id_other];
-var27 = var29;
-goto RET_LABEL28;
-RET_LABEL28:(void)0;
+if (var22){
+{
+{ /* Inline string#NativeString#[] (var_myitems,var_index_from) on <var_myitems:NativeString> */
+var31 = var_myitems[var_index_from];
+var29 = var31;
+goto RET_LABEL30;
+RET_LABEL30:(void)0;
 }
-var_its_curr_char = var27;
-{ /* Inline kernel#Char#!= (var_my_curr_char,var_its_curr_char) */
-var32 = var_my_curr_char == var_its_curr_char;
-var33 = !var32;
-var30 = var33;
-goto RET_LABEL31;
-RET_LABEL31:(void)0;
 }
-if (var30){
-{ /* Inline kernel#Char#< (var_my_curr_char,var_its_curr_char) */
-/* Covariant cast for argument 0 (i) <var_its_curr_char:Char> isa OTHER */
-/* <var_its_curr_char:Char> isa OTHER */
-var36 = 1; /* easy <var_its_curr_char:Char> isa OTHER*/
-if (!var36) {
-var_class_name39 = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name39);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 437);
+{
+var32 = kernel__Char__to_upper(var29);
+}
+{
+{ /* Inline string#NativeString#[]= (var_outstr,var_out_index,var32) on <var_outstr:NativeString> */
+var_outstr[var_out_index]=var32;
+RET_LABEL33:(void)0;
+}
+}
+var34 = 1;
+{
+{ /* Inline kernel#Int#+ (var_out_index,var34) on <var_out_index:Int> */
+/* Covariant cast for argument 0 (i) <var34:Int> isa OTHER */
+/* <var34:Int> isa OTHER */
+var37 = 1; /* easy <var34:Int> isa OTHER*/
+if (unlikely(!var37)) {
+var_class_name40 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name40);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
 show_backtrace(1);
 }
-var40 = var_my_curr_char < var_its_curr_char;
-var34 = var40;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
+var41 = var_out_index + var34;
+var35 = var41;
+goto RET_LABEL36;
+RET_LABEL36:(void)0;
 }
-if (var34){
-var41 = 1;
-var = var41;
-goto RET_LABEL;
-} else {
 }
-var42 = 0;
-var = var42;
-goto RET_LABEL;
-} else {
+var_out_index = var35;
+var42 = 1;
+{
+{ /* Inline kernel#Int#+ (var_index_from,var42) on <var_index_from:Int> */
+/* Covariant cast for argument 0 (i) <var42:Int> isa OTHER */
+/* <var42:Int> isa OTHER */
+var45 = 1; /* easy <var42:Int> isa OTHER*/
+if (unlikely(!var45)) {
+var_class_name48 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name48);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
 }
-var43 = 1;
-{ /* Inline kernel#Int#+ (var_curr_id_self,var43) */
-var46 = var_curr_id_self + var43;
-var44 = var46;
-goto RET_LABEL45;
-RET_LABEL45:(void)0;
+var49 = var_index_from + var42;
+var43 = var49;
+goto RET_LABEL44;
+RET_LABEL44:(void)0;
 }
-var_curr_id_self = var44;
-var47 = 1;
-{ /* Inline kernel#Int#+ (var_curr_id_other,var47) */
-var50 = var_curr_id_other + var47;
-var48 = var50;
-goto RET_LABEL49;
-RET_LABEL49:(void)0;
 }
-var_curr_id_other = var48;
-CONTINUE_label: (void)0;
+var_index_from = var43;
+} else {
+goto BREAK_label;
+}
 }
 BREAK_label: (void)0;
-{ /* Inline kernel#Int#< (var_my_length,var_its_length) */
-/* Covariant cast for argument 0 (i) <var_its_length:Int> isa OTHER */
-/* <var_its_length:Int> isa OTHER */
-var53 = 1; /* easy <var_its_length:Int> isa OTHER*/
-if (!var53) {
-var_class_name56 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name56);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var52 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var50 = var52;
+RET_LABEL51:(void)0;
+}
+}
+var53 = '\0';
+{
+{ /* Inline string#NativeString#[]= (var_outstr,var50,var53) on <var_outstr:NativeString> */
+var_outstr[var50]=var53;
+RET_LABEL54:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var57 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var55 = var57;
+RET_LABEL56:(void)0;
 }
-var57 = var_my_length < var_its_length;
-var51 = var57;
-goto RET_LABEL52;
-RET_LABEL52:(void)0;
 }
-var = var51;
+{
+var58 = string__NativeString__to_s_with_length(var_outstr, var55);
+}
+/* <var58:FlatString> isa SELFTYPE */
+type_struct = self->type->resolution_table->types[COLOR_string__Text_VTSELFTYPE];
+cltype60 = type_struct->color;
+idtype61 = type_struct->id;
+if(cltype60 >= var58->type->table_size) {
+var59 = 0;
+} else {
+var59 = var58->type->type_table[cltype60] == idtype61;
+}
+if (unlikely(!var59)) {
+var_class_name62 = var58 == NULL ? "null" : var58->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name62);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1009);
+show_backtrace(1);
+}
+var = var58;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#String#< for (self: Object, Comparable): Bool */
-short int VIRTUAL_string__String___60d(val* self, val* p0) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = string__String___60d(self, p0);
+/* method string#FlatString#to_upper for (self: Object): String */
+val* VIRTUAL_string__FlatString__to_upper(val* self) {
+val* var /* : String */;
+val* var1 /* : String */;
+var1 = string__FlatString__to_upper(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#String#+ for (self: String, String): String */
-val* string__String___43d(val* self, val* p0) {
+/* method string#FlatString#to_lower for (self: FlatString): String */
+val* string__FlatString__to_lower(val* self) {
 val* var /* : String */;
-val* var_s /* var s: String */;
 long var1 /* : Int */;
-long var_my_length /* var my_length: Int */;
-long var2 /* : Int */;
-long var_its_length /* var its_length: Int */;
 long var3 /* : Int */;
+long var4 /* : Int */;
 long var5 /* : Int */;
-long var_total_length /* var total_length: Int */;
-long var6 /* : Int */;
+short int var7 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
 long var8 /* : Int */;
-long var9 /* : Int */;
-long var10 /* : Int */;
+char* var9 /* : NativeString */;
+char* var11 /* : NativeString */;
+char* var_outstr /* var outstr: NativeString */;
 long var12 /* : Int */;
+long var_out_index /* var out_index: Int */;
 char* var13 /* : NativeString */;
-char* var_target_string /* var target_string: NativeString */;
-char* var14 /* : NativeString */;
-long var15 /* : Int */;
+char* var15 /* : NativeString */;
+char* var_myitems /* var myitems: NativeString */;
 long var16 /* : Int */;
-char* var18 /* : NativeString */;
+long var18 /* : Int */;
+long var_index_from /* var index_from: Int */;
 long var19 /* : Int */;
-char var21 /* : Char */;
-val* var23 /* : String */;
-var_s = p0;
-var1 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var_my_length = var1;
-var2 = var_s->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <var_s:String> */
-var_its_length = var2;
-{ /* Inline kernel#Int#+ (var_my_length,var_its_length) */
-var5 = var_my_length + var_its_length;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-var_total_length = var3;
-{ /* Inline kernel#Int#+ (var_my_length,var_its_length) */
-var8 = var_my_length + var_its_length;
-var6 = var8;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+long var21 /* : Int */;
+long var_max /* var max: Int */;
+short int var22 /* : Bool */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+const char* var_class_name27;
+short int var28 /* : Bool */;
+char var29 /* : Char */;
+char var31 /* : Char */;
+char var32 /* : Char */;
+long var34 /* : Int */;
+long var35 /* : Int */;
+short int var37 /* : Bool */;
+int cltype38;
+int idtype39;
+const char* var_class_name40;
+long var41 /* : Int */;
+long var42 /* : Int */;
+long var43 /* : Int */;
+short int var45 /* : Bool */;
+int cltype46;
+int idtype47;
+const char* var_class_name48;
+long var49 /* : Int */;
+long var50 /* : Int */;
+long var52 /* : Int */;
+char var53 /* : Char */;
+long var55 /* : Int */;
+long var57 /* : Int */;
+val* var58 /* : FlatString */;
+short int var59 /* : Bool */;
+int cltype60;
+int idtype61;
+const struct type* type_struct;
+const char* var_class_name62;
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var3 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-var9 = 1;
-{ /* Inline kernel#Int#+ (var6,var9) */
-var12 = var6 + var9;
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
 }
-var13 = ((char* (*)(val*, long))(self->class->vft[COLOR_string__StringCapable__calloc_string]))(self, var10) /* calloc_string on <self:String>*/;
-var_target_string = var13;
-var14 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-var15 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-var16 = 0;
-{ /* Inline string#NativeString#copy_to (var14,var_target_string,var_my_length,var15,var16) */
-memcpy(var_target_string+var16,var14+var15,var_my_length);
-RET_LABEL17:(void)0;
+var4 = 1;
+{
+{ /* Inline kernel#Int#+ (var1,var4) on <var1:Int> */
+/* Covariant cast for argument 0 (i) <var4:Int> isa OTHER */
+/* <var4:Int> isa OTHER */
+var7 = 1; /* easy <var4:Int> isa OTHER*/
+if (unlikely(!var7)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
 }
-var18 = var_s->attrs[COLOR_string__AbstractString___items].str; /* _items on <var_s:String> */
-var19 = var_s->attrs[COLOR_string__String___index_from].l; /* _index_from on <var_s:String> */
-{ /* Inline string#NativeString#copy_to (var18,var_target_string,var_its_length,var19,var_my_length) */
-memcpy(var_target_string+var_my_length,var18+var19,var_its_length);
-RET_LABEL20:(void)0;
+var8 = var1 + var4;
+var5 = var8;
+goto RET_LABEL6;
+RET_LABEL6:(void)0;
 }
-var21 = '\0';
-{ /* Inline string#NativeString#[]= (var_target_string,var_total_length,var21) */
-var_target_string[var_total_length]=var21;
-RET_LABEL22:(void)0;
 }
-var23 = string__NativeString__to_s_with_length(var_target_string, var_total_length);
-var = var23;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+{
+{ /* Inline string#StringCapable#calloc_string (self,var5) on <self:FlatString> */
+var11 = (char*)nit_alloc(var5);
+var9 = var11;
+goto RET_LABEL10;
+RET_LABEL10:(void)0;
 }
-/* method string#String#+ for (self: Object, String): String */
-val* VIRTUAL_string__String___43d(val* self, val* p0) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__String___43d(self, p0);
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#String#* for (self: String, Int): String */
-val* string__String___42d(val* self, long p0) {
-val* var /* : String */;
-long var_i /* var i: Int */;
-long var1 /* : Int */;
-short int var2 /* : Bool */;
-short int var4 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var5 /* : Bool */;
-long var6 /* : Int */;
-long var_my_length /* var my_length: Int */;
-long var7 /* : Int */;
-long var9 /* : Int */;
-long var_final_length /* var final_length: Int */;
-char* var10 /* : NativeString */;
-char* var_my_items /* var my_items: NativeString */;
-long var11 /* : Int */;
-long var12 /* : Int */;
-long var14 /* : Int */;
-char* var15 /* : NativeString */;
-char* var_target_string /* var target_string: NativeString */;
-char var16 /* : Char */;
-long var18 /* : Int */;
-long var_current_last /* var current_last: Int */;
-val* var19 /* : Range[Int] */;
-long var20 /* : Int */;
-val* var21 /* : Discrete */;
-val* var22 /* : Discrete */;
-val* var23 /* : Iterator[nullable Object] */;
-short int var24 /* : Bool */;
-val* var25 /* : nullable Object */;
-long var_iteration /* var iteration: Int */;
-long var26 /* : Int */;
-long var27 /* : Int */;
-long var29 /* : Int */;
-long var31 /* : Int */;
-val* var32 /* : String */;
-var_i = p0;
-var1 = 0;
-{ /* Inline kernel#Int#>= (var_i,var1) */
-/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
-/* <var1:Int> isa OTHER */
-var4 = 1; /* easy <var1:Int> isa OTHER*/
-if (!var4) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 262);
-show_backtrace(1);
+var_outstr = var9;
+var12 = 0;
+var_out_index = var12;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatString> */
+var15 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatString> */
+var13 = var15;
+RET_LABEL14:(void)0;
 }
-var5 = var_i >= var1;
-var2 = var5;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
 }
-if (!var2) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 635);
-show_backtrace(1);
+var_myitems = var13;
+{
+{ /* Inline string#FlatString#index_from (self) on <self:FlatString> */
+var18 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:FlatString> */
+var16 = var18;
+RET_LABEL17:(void)0;
 }
-var6 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var_my_length = var6;
-{ /* Inline kernel#Int#* (var_my_length,var_i) */
-var9 = var_my_length * var_i;
-var7 = var9;
-goto RET_LABEL8;
-RET_LABEL8:(void)0;
 }
-var_final_length = var7;
-var10 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-var_my_items = var10;
-var11 = 1;
-{ /* Inline kernel#Int#+ (var_final_length,var11) */
-var14 = var_final_length + var11;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
+var_index_from = var16;
+{
+{ /* Inline string#FlatString#index_to (self) on <self:FlatString> */
+var21 = self->attrs[COLOR_string__FlatString___index_to].l; /* _index_to on <self:FlatString> */
+var19 = var21;
+RET_LABEL20:(void)0;
 }
-var15 = ((char* (*)(val*, long))(self->class->vft[COLOR_string__StringCapable__calloc_string]))(self, var12) /* calloc_string on <self:String>*/;
-var_target_string = var15;
-var16 = '\0';
-{ /* Inline string#NativeString#[]= (var_target_string,var_final_length,var16) */
-var_target_string[var_final_length]=var16;
-RET_LABEL17:(void)0;
 }
-var18 = 0;
-var_current_last = var18;
-var19 = NEW_range__Range(&type_range__Rangekernel__Int);
-var20 = 1;
-var21 = BOX_kernel__Int(var20); /* autobox from Int to Discrete */
-var22 = BOX_kernel__Int(var_i); /* autobox from Int to Discrete */
-((void (*)(val*, val*, val*))(var19->class->vft[COLOR_range__Range__init]))(var19, var21, var22) /* init on <var19:Range[Int]>*/;
-var23 = ((val* (*)(val*))(var19->class->vft[COLOR_abstract_collection__Collection__iterator]))(var19) /* iterator on <var19:Range[Int]>*/;
+var_max = var19;
 for(;;) {
-var24 = ((short int (*)(val*))(var23->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var23) /* is_ok on <var23:Iterator[nullable Object]>*/;
-if(!var24) break;
-var25 = ((val* (*)(val*))(var23->class->vft[COLOR_abstract_collection__Iterator__item]))(var23) /* item on <var23:Iterator[nullable Object]>*/;
-var26 = ((struct instance_kernel__Int*)var25)->value; /* autounbox from nullable Object to Int */;
-var_iteration = var26;
-var27 = 0;
-{ /* Inline string#NativeString#copy_to (var_my_items,var_target_string,var_my_length,var27,var_current_last) */
-memcpy(var_target_string+var_current_last,var_my_items+var27,var_my_length);
-RET_LABEL28:(void)0;
+{
+{ /* Inline kernel#Int#<= (var_index_from,var_max) on <var_index_from:Int> */
+/* Covariant cast for argument 0 (i) <var_max:Int> isa OTHER */
+/* <var_max:Int> isa OTHER */
+var24 = 1; /* easy <var_max:Int> isa OTHER*/
+if (unlikely(!var24)) {
+var_class_name27 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name27);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 370);
+show_backtrace(1);
+}
+var28 = var_index_from <= var_max;
+var22 = var28;
+goto RET_LABEL23;
+RET_LABEL23:(void)0;
 }
-{ /* Inline kernel#Int#+ (var_current_last,var_my_length) */
-var31 = var_current_last + var_my_length;
+}
+if (var22){
+{
+{ /* Inline string#NativeString#[] (var_myitems,var_index_from) on <var_myitems:NativeString> */
+var31 = var_myitems[var_index_from];
 var29 = var31;
 goto RET_LABEL30;
 RET_LABEL30:(void)0;
 }
-var_current_last = var29;
-CONTINUE_label: (void)0;
-((void (*)(val*))(var23->class->vft[COLOR_abstract_collection__Iterator__next]))(var23) /* next on <var23:Iterator[nullable Object]>*/;
 }
-BREAK_label: (void)0;
-var32 = string__NativeString__to_s_with_length(var_target_string, var_final_length);
-var = var32;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+{
+var32 = kernel__Char__to_lower(var29);
 }
-/* method string#String#* for (self: Object, Int): String */
-val* VIRTUAL_string__String___42d(val* self, long p0) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__String___42d(self, p0);
-var = var1;
-RET_LABEL:;
-return var;
+{
+{ /* Inline string#NativeString#[]= (var_outstr,var_out_index,var32) on <var_outstr:NativeString> */
+var_outstr[var_out_index]=var32;
+RET_LABEL33:(void)0;
 }
-/* method string#String#to_s for (self: String): String */
-val* string__String__to_s(val* self) {
-val* var /* : String */;
-var = self;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
 }
-/* method string#String#to_s for (self: Object): String */
-val* VIRTUAL_string__String__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__String__to_s(self);
-var = var1;
-RET_LABEL:;
-return var;
+var34 = 1;
+{
+{ /* Inline kernel#Int#+ (var_out_index,var34) on <var_out_index:Int> */
+/* Covariant cast for argument 0 (i) <var34:Int> isa OTHER */
+/* <var34:Int> isa OTHER */
+var37 = 1; /* easy <var34:Int> isa OTHER*/
+if (unlikely(!var37)) {
+var_class_name40 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name40);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
 }
-/* method string#String#hash for (self: String): Int */
-long string__String__hash(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-long var_h /* var h: Int */;
-long var2 /* : Int */;
-long var3 /* : Int */;
-long var4 /* : Int */;
-long var6 /* : Int */;
-long var_i /* var i: Int */;
-char* var7 /* : NativeString */;
-char* var_myitems /* var myitems: NativeString */;
-long var8 /* : Int */;
-long var_strStart /* var strStart: Int */;
-long var9 /* : Int */;
-long var11 /* : Int */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var15 /* : Bool */;
-long var16 /* : Int */;
-long var17 /* : Int */;
-long var19 /* : Int */;
-long var20 /* : Int */;
-long var22 /* : Int */;
-char* var23 /* : NativeString */;
-char var24 /* : Char */;
-char var26 /* : Char */;
-long var27 /* : Int */;
-long var29 /* : Int */;
-long var30 /* : Int */;
-long var32 /* : Int */;
-long var33 /* : Int */;
-long var34 /* : Int */;
-long var36 /* : Int */;
-var1 = 5381;
-var_h = var1;
-var2 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:String> */
-var3 = 1;
-{ /* Inline kernel#Int#- (var2,var3) */
-var6 = var2 - var3;
-var4 = var6;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
+var41 = var_out_index + var34;
+var35 = var41;
+goto RET_LABEL36;
+RET_LABEL36:(void)0;
 }
-var_i = var4;
-var7 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-var_myitems = var7;
-var8 = self->attrs[COLOR_string__String___index_from].l; /* _index_from on <self:String> */
-var_strStart = var8;
-{ /* Inline kernel#Int#+ (var_i,var_strStart) */
-var11 = var_i + var_strStart;
-var9 = var11;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
 }
-var_i = var9;
-for(;;) {
-{ /* Inline kernel#Int#>= (var_i,var_strStart) */
-/* Covariant cast for argument 0 (i) <var_strStart:Int> isa OTHER */
-/* <var_strStart:Int> isa OTHER */
-var14 = 1; /* easy <var_strStart:Int> isa OTHER*/
-if (!var14) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 262);
+var_out_index = var35;
+var42 = 1;
+{
+{ /* Inline kernel#Int#+ (var_index_from,var42) on <var_index_from:Int> */
+/* Covariant cast for argument 0 (i) <var42:Int> isa OTHER */
+/* <var42:Int> isa OTHER */
+var45 = 1; /* easy <var42:Int> isa OTHER*/
+if (unlikely(!var45)) {
+var_class_name48 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name48);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
 show_backtrace(1);
 }
-var15 = var_i >= var_strStart;
-var12 = var15;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
+var49 = var_index_from + var42;
+var43 = var49;
+goto RET_LABEL44;
+RET_LABEL44:(void)0;
 }
-if (!var12) break;
-var16 = 32;
-{ /* Inline kernel#Int#* (var_h,var16) */
-var19 = var_h * var16;
-var17 = var19;
-goto RET_LABEL18;
-RET_LABEL18:(void)0;
 }
-{ /* Inline kernel#Int#+ (var17,var_h) */
-var22 = var17 + var_h;
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
+var_index_from = var43;
+} else {
+goto BREAK_label;
 }
-var23 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:String> */
-{ /* Inline string#NativeString#[] (var23,var_i) */
-var26 = var23[var_i];
-var24 = var26;
-goto RET_LABEL25;
-RET_LABEL25:(void)0;
 }
-{ /* Inline kernel#Char#ascii (var24) */
-var29 = (unsigned char)var24;
-var27 = var29;
-goto RET_LABEL28;
-RET_LABEL28:(void)0;
+BREAK_label: (void)0;
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var52 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var50 = var52;
+RET_LABEL51:(void)0;
 }
-{ /* Inline kernel#Int#+ (var20,var27) */
-var32 = var20 + var27;
-var30 = var32;
-goto RET_LABEL31;
-RET_LABEL31:(void)0;
 }
-var_h = var30;
-var33 = 1;
-{ /* Inline kernel#Int#- (var_i,var33) */
-var36 = var_i - var33;
-var34 = var36;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
+var53 = '\0';
+{
+{ /* Inline string#NativeString#[]= (var_outstr,var50,var53) on <var_outstr:NativeString> */
+var_outstr[var50]=var53;
+RET_LABEL54:(void)0;
 }
-var_i = var34;
-CONTINUE_label: (void)0;
 }
-BREAK_label: (void)0;
-var = var_h;
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var57 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var55 = var57;
+RET_LABEL56:(void)0;
+}
+}
+{
+var58 = string__NativeString__to_s_with_length(var_outstr, var55);
+}
+/* <var58:FlatString> isa SELFTYPE */
+type_struct = self->type->resolution_table->types[COLOR_string__Text_VTSELFTYPE];
+cltype60 = type_struct->color;
+idtype61 = type_struct->id;
+if(cltype60 >= var58->type->table_size) {
+var59 = 0;
+} else {
+var59 = var58->type->type_table[cltype60] == idtype61;
+}
+if (unlikely(!var59)) {
+var_class_name62 = var58 == NULL ? "null" : var58->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name62);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1029);
+show_backtrace(1);
+}
+var = var58;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#String#hash for (self: Object): Int */
-long VIRTUAL_string__String__hash(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = string__String__hash(self);
+/* method string#FlatString#to_lower for (self: Object): String */
+val* VIRTUAL_string__FlatString__to_lower(val* self) {
+val* var /* : String */;
+val* var1 /* : String */;
+var1 = string__FlatString__to_lower(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#Buffer#[]= for (self: Buffer, Int, Char) */
-void string__Buffer___91d_93d_61d(val* self, long p0, char p1) {
-short int var /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-long var_index /* var index: Int */;
-char var_item /* var item: Char */;
-long var1 /* : Int */;
-short int var2 /* : Bool */;
-short int var4 /* : Bool */;
-val* var5 /* : nullable Object */;
-short int var6 /* : Bool */;
-long var7 /* : Int */;
-short int var8 /* : Bool */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
-const char* var_class_name13;
-short int var14 /* : Bool */;
-short int var_ /* var : Bool */;
-long var15 /* : Int */;
-short int var16 /* : Bool */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
-const char* var_class_name21;
-short int var22 /* : Bool */;
-char* var23 /* : NativeString */;
-/* Covariant cast for argument 1 (item) <p1:Char> isa Sequence#0 */
-/* <p1:Char> isa Sequence#0 */
-var = 1; /* easy <p1:Char> isa Sequence#0*/
-if (!var) {
-var_class_name = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "Sequence#0", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 688);
-show_backtrace(1);
-}
-var_index = p0;
-var_item = p1;
-var1 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Buffer>*/;
-{ /* Inline kernel#Int#== (var_index,var1) */
-var4 = var_index == var1;
-var2 = var4;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+/* method string#FlatString#with_infos for (self: FlatString, NativeString, Int, Int, Int) */
+void string__FlatString__with_infos(val* self, char* p0, long p1, long p2, long p3) {
+char* var_items /* var items: NativeString */;
+long var_len /* var len: Int */;
+long var_from /* var from: Int */;
+long var_to /* var to: Int */;
+{
+((void (*)(val*))(self->class->vft[COLOR_kernel__Object__init]))(self) /* init on <self:FlatString>*/;
 }
-if (var2){
-var5 = BOX_kernel__Char(var_item); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(self->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(self, var5) /* add on <self:Buffer>*/;
-goto RET_LABEL;
-} else {
+var_items = p0;
+var_len = p1;
+var_from = p2;
+var_to = p3;
+{
+{ /* Inline string#FlatText#items= (self,var_items) on <self:FlatString> */
+self->attrs[COLOR_string__FlatText___items].str = var_items; /* _items on <self:FlatString> */
+RET_LABEL1:(void)0;
 }
-var7 = 0;
-{ /* Inline kernel#Int#>= (var_index,var7) */
-/* Covariant cast for argument 0 (i) <var7:Int> isa OTHER */
-/* <var7:Int> isa OTHER */
-var10 = 1; /* easy <var7:Int> isa OTHER*/
-if (!var10) {
-var_class_name13 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name13);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 262);
-show_backtrace(1);
 }
-var14 = var_index >= var7;
-var8 = var14;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+{
+{ /* Inline string#FlatText#length= (self,var_len) on <self:FlatString> */
+self->attrs[COLOR_string__FlatText___length].l = var_len; /* _length on <self:FlatString> */
+RET_LABEL2:(void)0;
 }
-var_ = var8;
-if (var8){
-var15 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Buffer>*/;
-{ /* Inline kernel#Int#< (var_index,var15) */
-/* Covariant cast for argument 0 (i) <var15:Int> isa OTHER */
-/* <var15:Int> isa OTHER */
-var18 = 1; /* easy <var15:Int> isa OTHER*/
-if (!var18) {
-var_class_name21 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name21);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
 }
-var22 = var_index < var15;
-var16 = var22;
-goto RET_LABEL17;
-RET_LABEL17:(void)0;
+{
+{ /* Inline string#FlatString#index_from= (self,var_from) on <self:FlatString> */
+self->attrs[COLOR_string__FlatString___index_from].l = var_from; /* _index_from on <self:FlatString> */
+RET_LABEL3:(void)0;
 }
-var6 = var16;
-} else {
-var6 = var_;
 }
-if (!var6) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 694);
-show_backtrace(1);
+{
+{ /* Inline string#FlatString#index_to= (self,var_to) on <self:FlatString> */
+self->attrs[COLOR_string__FlatString___index_to].l = var_to; /* _index_to on <self:FlatString> */
+RET_LABEL4:(void)0;
 }
-var23 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:Buffer> */
-{ /* Inline string#NativeString#[]= (var23,var_index,var_item) */
-var23[var_index]=var_item;
-RET_LABEL24:(void)0;
 }
 RET_LABEL:;
 }
-/* method string#Buffer#[]= for (self: Object, Int, nullable Object) */
-void VIRTUAL_string__Buffer___91d_93d_61d(val* self, long p0, val* p1) {
-char var /* : Char */;
-var = ((struct instance_kernel__Char*)p1)->value; /* autounbox from nullable Object to Char */;
-string__Buffer___91d_93d_61d(self, p0, var);
+/* method string#FlatString#with_infos for (self: Object, NativeString, Int, Int, Int) */
+void VIRTUAL_string__FlatString__with_infos(val* self, char* p0, long p1, long p2, long p3) {
+string__FlatString__with_infos(self, p0, p1, p2, p3); /* Direct call string#FlatString#with_infos on <self:Object(FlatString)>*/
 RET_LABEL:;
 }
-/* method string#Buffer#add for (self: Buffer, Char) */
-void string__Buffer__add(val* self, char p0) {
-short int var /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-char var_c /* var c: Char */;
-long var1 /* : Int */;
-long var2 /* : Int */;
-short int var3 /* : Bool */;
+/* method string#FlatString#to_cstring for (self: FlatString): NativeString */
+char* string__FlatString__to_cstring(val* self) {
+char* var /* : NativeString */;
+val* var1 /* : nullable NativeString */;
+val* var3 /* : nullable NativeString */;
+val* var4 /* : null */;
 short int var5 /* : Bool */;
-int cltype6;
-int idtype7;
-const char* var_class_name8;
-short int var9 /* : Bool */;
-long var10 /* : Int */;
-long var11 /* : Int */;
-long var12 /* : Int */;
-long var14 /* : Int */;
-char* var15 /* : NativeString */;
-long var16 /* : Int */;
-val* var_ /* var : Buffer */;
-long var18 /* : Int */;
+short int var6 /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var8 /* : Bool */;
+val* var_other10 /* var other: nullable Object */;
+short int var11 /* : Bool */;
+short int var13 /* : Bool */;
+short int var14 /* : Bool */;
+val* var15 /* : nullable NativeString */;
+val* var17 /* : nullable NativeString */;
+char* var18 /* : NativeString */;
 long var19 /* : Int */;
-long var20 /* : Int */;
+long var21 /* : Int */;
 long var22 /* : Int */;
-/* Covariant cast for argument 0 (c) <p0:Char> isa SimpleCollection#0 */
-/* <p0:Char> isa SimpleCollection#0 */
-var = 1; /* easy <p0:Char> isa SimpleCollection#0*/
-if (!var) {
-var_class_name = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "SimpleCollection#0", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 698);
-show_backtrace(1);
+long var23 /* : Int */;
+short int var25 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var26 /* : Int */;
+char* var27 /* : NativeString */;
+char* var29 /* : NativeString */;
+char* var_newItems /* var newItems: NativeString */;
+char* var30 /* : NativeString */;
+char* var32 /* : NativeString */;
+long var33 /* : Int */;
+long var35 /* : Int */;
+long var36 /* : Int */;
+long var38 /* : Int */;
+long var39 /* : Int */;
+long var41 /* : Int */;
+long var43 /* : Int */;
+char var44 /* : Char */;
+val* var47 /* : nullable NativeString */;
+{
+{ /* Inline string#FlatText#real_items (self) on <self:FlatString> */
+var3 = self->attrs[COLOR_string__FlatText___real_items].val; /* _real_items on <self:FlatString> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-var_c = p0;
-var1 = self->attrs[COLOR_string__Buffer___capacity].l; /* _capacity on <self:Buffer> */
-var2 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Buffer>*/;
-{ /* Inline kernel#Int#<= (var1,var2) */
-/* Covariant cast for argument 0 (i) <var2:Int> isa OTHER */
-/* <var2:Int> isa OTHER */
-var5 = 1; /* easy <var2:Int> isa OTHER*/
-if (!var5) {
-var_class_name8 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name8);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 260);
-show_backtrace(1);
 }
-var9 = var1 <= var2;
-var3 = var9;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+var4 = NULL;
+if (var1 == NULL) {
+var5 = 0; /* is null */
+} else {
+var5 = 1; /* arg is null and recv is not */
+}
+if (0) {
+{ /* Inline kernel#Object#!= (var1,var4) on <var1:nullable NativeString> */
+var_other = var4;
+{ /* Inline kernel#Object#== (var1,var_other) on <var1:nullable NativeString(NativeString)> */
+var_other10 = var_other;
+{
+{ /* Inline kernel#Object#is_same_instance (var1,var_other10) on <var1:nullable NativeString(NativeString)> */
+var13 = var1 == var_other10 || (var_other10 != NULL && var1->class == var_other10->class && ((struct instance_string__NativeString*)var1)->value == ((struct instance_string__NativeString*)var_other10)->value);
+var11 = var13;
+goto RET_LABEL12;
+RET_LABEL12:(void)0;
 }
-if (var3){
-var10 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Buffer>*/;
-var11 = 5;
-{ /* Inline kernel#Int#+ (var10,var11) */
-var14 = var10 + var11;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
 }
-((void (*)(val*, long))(self->class->vft[COLOR_array__AbstractArray__enlarge]))(self, var12) /* enlarge on <self:Buffer>*/;
-} else {
+var8 = var11;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
 }
-var15 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:Buffer> */
-var16 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Buffer>*/;
-{ /* Inline string#NativeString#[]= (var15,var16,var_c) */
-var15[var16]=var_c;
-RET_LABEL17:(void)0;
+var14 = !var8;
+var6 = var14;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
 }
-var_ = self;
-var18 = var_->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <var_:Buffer> */
-var19 = 1;
-{ /* Inline kernel#Int#+ (var18,var19) */
-var22 = var18 + var19;
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
+var5 = var6;
 }
-var_->attrs[COLOR_array__AbstractArrayRead___length].l = var20; /* _length on <var_:Buffer> */
-RET_LABEL:;
+if (var5){
+{
+{ /* Inline string#FlatText#real_items (self) on <self:FlatString> */
+var17 = self->attrs[COLOR_string__FlatText___real_items].val; /* _real_items on <self:FlatString> */
+var15 = var17;
+RET_LABEL16:(void)0;
 }
-/* method string#Buffer#add for (self: Object, nullable Object) */
-void VIRTUAL_string__Buffer__add(val* self, val* p0) {
-char var /* : Char */;
-var = ((struct instance_kernel__Char*)p0)->value; /* autounbox from nullable Object to Char */;
-string__Buffer__add(self, var);
-RET_LABEL:;
 }
-/* method string#Buffer#enlarge for (self: Buffer, Int) */
-void string__Buffer__enlarge(val* self, long p0) {
-long var_cap /* var cap: Int */;
-long var /* : Int */;
-long var_c /* var c: Int */;
-short int var1 /* : Bool */;
-short int var3 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-short int var7 /* : Bool */;
-int cltype8;
-int idtype9;
-const char* var_class_name10;
-short int var11 /* : Bool */;
-long var12 /* : Int */;
-long var13 /* : Int */;
-long var15 /* : Int */;
-long var16 /* : Int */;
-long var17 /* : Int */;
-long var19 /* : Int */;
-long var20 /* : Int */;
-long var21 /* : Int */;
-long var23 /* : Int */;
-char* var24 /* : NativeString */;
-char* var_a /* var a: NativeString */;
-char* var25 /* : NativeString */;
-long var26 /* : Int */;
-long var27 /* : Int */;
-long var28 /* : Int */;
-var_cap = p0;
-var = self->attrs[COLOR_string__Buffer___capacity].l; /* _capacity on <self:Buffer> */
-var_c = var;
-{ /* Inline kernel#Int#<= (var_cap,var_c) */
-/* Covariant cast for argument 0 (i) <var_c:Int> isa OTHER */
-/* <var_c:Int> isa OTHER */
-var3 = 1; /* easy <var_c:Int> isa OTHER*/
-if (!var3) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 260);
+if (unlikely(var15 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1057);
 show_backtrace(1);
 }
-var4 = var_cap <= var_c;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
-}
-if (var1){
+var18 = ((struct instance_string__NativeString*)var15)->value; /* autounbox from nullable NativeString to NativeString */;
+var = var18;
 goto RET_LABEL;
 } else {
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var21 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var19 = var21;
+RET_LABEL20:(void)0;
 }
-for(;;) {
-{ /* Inline kernel#Int#<= (var_c,var_cap) */
-/* Covariant cast for argument 0 (i) <var_cap:Int> isa OTHER */
-/* <var_cap:Int> isa OTHER */
-var7 = 1; /* easy <var_cap:Int> isa OTHER*/
-if (!var7) {
-var_class_name10 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name10);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 260);
+}
+var22 = 1;
+{
+{ /* Inline kernel#Int#+ (var19,var22) on <var19:Int> */
+/* Covariant cast for argument 0 (i) <var22:Int> isa OTHER */
+/* <var22:Int> isa OTHER */
+var25 = 1; /* easy <var22:Int> isa OTHER*/
+if (unlikely(!var25)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
 show_backtrace(1);
 }
-var11 = var_c <= var_cap;
-var5 = var11;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
+var26 = var19 + var22;
+var23 = var26;
+goto RET_LABEL24;
+RET_LABEL24:(void)0;
 }
-if (!var5) break;
-var12 = 2;
-{ /* Inline kernel#Int#* (var_c,var12) */
-var15 = var_c * var12;
-var13 = var15;
-goto RET_LABEL14;
-RET_LABEL14:(void)0;
 }
-var16 = 2;
-{ /* Inline kernel#Int#+ (var13,var16) */
-var19 = var13 + var16;
-var17 = var19;
-goto RET_LABEL18;
-RET_LABEL18:(void)0;
+{
+{ /* Inline string#StringCapable#calloc_string (self,var23) on <self:FlatString> */
+var29 = (char*)nit_alloc(var23);
+var27 = var29;
+goto RET_LABEL28;
+RET_LABEL28:(void)0;
 }
-var_c = var17;
-CONTINUE_label: (void)0;
 }
-BREAK_label: (void)0;
-var20 = 1;
-{ /* Inline kernel#Int#+ (var_c,var20) */
-var23 = var_c + var20;
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
+var_newItems = var27;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatString> */
+var32 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatString> */
+var30 = var32;
+RET_LABEL31:(void)0;
 }
-var24 = ((char* (*)(val*, long))(self->class->vft[COLOR_string__StringCapable__calloc_string]))(self, var21) /* calloc_string on <self:Buffer>*/;
-var_a = var24;
-var25 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:Buffer> */
-var26 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Buffer>*/;
-var27 = 0;
-var28 = 0;
-{ /* Inline string#NativeString#copy_to (var25,var_a,var26,var27,var28) */
-memcpy(var_a+var28,var25+var27,var26);
-RET_LABEL29:(void)0;
 }
-self->attrs[COLOR_string__AbstractString___items].str = var_a; /* _items on <self:Buffer> */
-self->attrs[COLOR_string__Buffer___capacity].l = var_c; /* _capacity on <self:Buffer> */
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var35 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var33 = var35;
+RET_LABEL34:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_from (self) on <self:FlatString> */
+var38 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:FlatString> */
+var36 = var38;
+RET_LABEL37:(void)0;
+}
+}
+var39 = 0;
+{
+{ /* Inline string#NativeString#copy_to (var30,var_newItems,var33,var36,var39) on <var30:NativeString> */
+memmove(var_newItems+var39,var30+var36,var33);
+RET_LABEL40:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var43 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var41 = var43;
+RET_LABEL42:(void)0;
+}
+}
+var44 = '\0';
+{
+{ /* Inline string#NativeString#[]= (var_newItems,var41,var44) on <var_newItems:NativeString> */
+var_newItems[var41]=var44;
+RET_LABEL45:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#real_items= (self,var_newItems) on <self:FlatString> */
+var47 = BOX_string__NativeString(var_newItems); /* autobox from NativeString to nullable NativeString */
+self->attrs[COLOR_string__FlatText___real_items].val = var47; /* _real_items on <self:FlatString> */
+RET_LABEL46:(void)0;
+}
+}
+var = var_newItems;
+goto RET_LABEL;
+}
 RET_LABEL:;
+return var;
 }
-/* method string#Buffer#enlarge for (self: Object, Int) */
-void VIRTUAL_string__Buffer__enlarge(val* self, long p0) {
-string__Buffer__enlarge(self, p0);
+/* method string#FlatString#to_cstring for (self: Object): NativeString */
+char* VIRTUAL_string__FlatString__to_cstring(val* self) {
+char* var /* : NativeString */;
+char* var1 /* : NativeString */;
+var1 = string__FlatString__to_cstring(self);
+var = var1;
 RET_LABEL:;
+return var;
 }
-/* method string#Buffer#append for (self: Buffer, Collection[Char]) */
-void string__Buffer__append(val* self, val* p0) {
+/* method string#FlatString#== for (self: FlatString, nullable Object): Bool */
+short int string__FlatString___61d_61d(val* self, val* p0) {
 short int var /* : Bool */;
+val* var_other /* var other: nullable Object */;
+short int var1 /* : Bool */;
 int cltype;
 int idtype;
-const char* var_class_name;
-val* var_s /* var s: Collection[Char] */;
-short int var1 /* : Bool */;
-int cltype2;
-int idtype3;
-long var4 /* : Int */;
-long var_sl /* var sl: Int */;
+short int var2 /* : Bool */;
+short int var3 /* : Bool */;
+short int var4 /* : Bool */;
 long var5 /* : Int */;
-long var6 /* : Int */;
 long var7 /* : Int */;
-long var9 /* : Int */;
-short int var10 /* : Bool */;
+long var8 /* : Int */;
+long var10 /* : Int */;
+short int var11 /* : Bool */;
 short int var12 /* : Bool */;
-int cltype13;
-int idtype14;
-const char* var_class_name15;
-short int var16 /* : Bool */;
-long var17 /* : Int */;
-long var18 /* : Int */;
-long var20 /* : Int */;
-char* var21 /* : NativeString */;
-char* var22 /* : NativeString */;
-long var23 /* : Int */;
-long var24 /* : Int */;
-val* var_ /* var : Buffer */;
-long var26 /* : Int */;
-long var27 /* : Int */;
-long var29 /* : Int */;
-/* Covariant cast for argument 0 (s) <p0:Collection[Char]> isa Collection[Sequence#0] */
-/* <p0:Collection[Char]> isa Collection[Sequence#0] */
-var = 1; /* easy <p0:Collection[Char]> isa Collection[Sequence#0]*/
-if (!var) {
-var_class_name = p0 == NULL ? "null" : p0->type->name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "Collection[Sequence#0]", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 716);
-show_backtrace(1);
-}
-var_s = p0;
-/* <var_s:Collection[Char]> isa String */
-cltype2 = type_string__String.color;
-idtype3 = type_string__String.id;
-if(cltype2 >= var_s->type->table_size) {
+short int var14 /* : Bool */;
+short int var15 /* : Bool */;
+long var16 /* : Int */;
+long var18 /* : Int */;
+long var_my_length /* var my_length: Int */;
+long var19 /* : Int */;
+long var21 /* : Int */;
+short int var22 /* : Bool */;
+short int var23 /* : Bool */;
+short int var25 /* : Bool */;
+short int var26 /* : Bool */;
+short int var27 /* : Bool */;
+long var28 /* : Int */;
+long var30 /* : Int */;
+long var_my_index /* var my_index: Int */;
+long var31 /* : Int */;
+long var33 /* : Int */;
+long var_its_index /* var its_index: Int */;
+long var34 /* : Int */;
+short int var36 /* : Bool */;
+int cltype37;
+int idtype38;
+const char* var_class_name;
+long var39 /* : Int */;
+long var_last_iteration /* var last_iteration: Int */;
+char* var40 /* : NativeString */;
+char* var42 /* : NativeString */;
+char* var_itsitems /* var itsitems: NativeString */;
+char* var43 /* : NativeString */;
+char* var45 /* : NativeString */;
+char* var_myitems /* var myitems: NativeString */;
+short int var46 /* : Bool */;
+short int var48 /* : Bool */;
+int cltype49;
+int idtype50;
+const char* var_class_name51;
+short int var52 /* : Bool */;
+char var53 /* : Char */;
+char var55 /* : Char */;
+char var56 /* : Char */;
+char var58 /* : Char */;
+short int var59 /* : Bool */;
+short int var60 /* : Bool */;
+short int var62 /* : Bool */;
+short int var63 /* : Bool */;
+short int var64 /* : Bool */;
+long var65 /* : Int */;
+long var66 /* : Int */;
+short int var68 /* : Bool */;
+int cltype69;
+int idtype70;
+const char* var_class_name71;
+long var72 /* : Int */;
+long var73 /* : Int */;
+long var74 /* : Int */;
+short int var76 /* : Bool */;
+int cltype77;
+int idtype78;
+const char* var_class_name79;
+long var80 /* : Int */;
+short int var81 /* : Bool */;
+var_other = p0;
+/* <var_other:nullable Object> isa FlatString */
+cltype = type_string__FlatString.color;
+idtype = type_string__FlatString.id;
+if(var_other == NULL) {
 var1 = 0;
 } else {
-var1 = var_s->type->type_table[cltype2] == idtype3;
-}
-if (var1){
-var4 = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:Collection[Char](String)>*/;
-var_sl = var4;
-var5 = self->attrs[COLOR_string__Buffer___capacity].l; /* _capacity on <self:Buffer> */
-var6 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:Buffer> */
-{ /* Inline kernel#Int#+ (var6,var_sl) */
-var9 = var6 + var_sl;
-var7 = var9;
-goto RET_LABEL8;
-RET_LABEL8:(void)0;
-}
-{ /* Inline kernel#Int#< (var5,var7) */
-/* Covariant cast for argument 0 (i) <var7:Int> isa OTHER */
-/* <var7:Int> isa OTHER */
-var12 = 1; /* easy <var7:Int> isa OTHER*/
-if (!var12) {
-var_class_name15 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name15);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
-}
-var16 = var5 < var7;
-var10 = var16;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
-}
-if (var10){
-var17 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:Buffer> */
-{ /* Inline kernel#Int#+ (var17,var_sl) */
-var20 = var17 + var_sl;
-var18 = var20;
-goto RET_LABEL19;
-RET_LABEL19:(void)0;
-}
-((void (*)(val*, long))(self->class->vft[COLOR_array__AbstractArray__enlarge]))(self, var18) /* enlarge on <self:Buffer>*/;
+if(cltype >= var_other->type->table_size) {
+var1 = 0;
 } else {
+var1 = var_other->type->type_table[cltype] == idtype;
 }
-var21 = ((char* (*)(val*))(var_s->class->vft[COLOR_string__AbstractString__items]))(var_s) /* items on <var_s:Collection[Char](String)>*/;
-var22 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:Buffer> */
-var23 = var_s->attrs[COLOR_string__String___index_from].l; /* _index_from on <var_s:Collection[Char](String)> */
-var24 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:Buffer> */
-{ /* Inline string#NativeString#copy_to (var21,var22,var_sl,var23,var24) */
-memcpy(var22+var24,var21+var23,var_sl);
-RET_LABEL25:(void)0;
 }
-var_ = self;
-var26 = var_->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <var_:Buffer> */
-{ /* Inline kernel#Int#+ (var26,var_sl) */
-var29 = var26 + var_sl;
-var27 = var29;
-goto RET_LABEL28;
-RET_LABEL28:(void)0;
+var2 = !var1;
+if (var2){
+{
+var4 = ((short int (*)(val*, val*))(self->class->vft[COLOR_string__FlatString___61d_61d]))(self, p0) /* == on <self:FlatString>*/;
+var3 = var4;
 }
-var_->attrs[COLOR_array__AbstractArrayRead___length].l = var27; /* _length on <var_:Buffer> */
+var = var3;
+goto RET_LABEL;
 } else {
-((void (*)(val*, val*))(self->class->vft[COLOR_string__Buffer__append]))(self, p0) /* append on <self:Buffer>*/;
 }
-RET_LABEL:;
+{
+{ /* Inline kernel#Object#object_id (self) on <self:FlatString> */
+var7 = (long)self;
+var5 = var7;
+goto RET_LABEL6;
+RET_LABEL6:(void)0;
 }
-/* method string#Buffer#append for (self: Object, Collection[nullable Object]) */
-void VIRTUAL_string__Buffer__append(val* self, val* p0) {
-string__Buffer__append(self, p0);
-RET_LABEL:;
 }
-/* method string#Buffer#to_s for (self: Buffer): String */
-val* string__Buffer__to_s(val* self) {
-val* var /* : String */;
-long var1 /* : Int */;
-long var_l /* var l: Int */;
-long var2 /* : Int */;
-long var3 /* : Int */;
-long var5 /* : Int */;
-char* var6 /* : NativeString */;
-char* var_a /* var a: NativeString */;
-char* var7 /* : NativeString */;
-long var8 /* : Int */;
-long var9 /* : Int */;
-long var11 /* : Int */;
-char var12 /* : Char */;
-long var14 /* : Int */;
-val* var15 /* : String */;
-var1 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Buffer>*/;
-var_l = var1;
-var2 = 1;
-{ /* Inline kernel#Int#+ (var_l,var2) */
-var5 = var_l + var2;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+{
+{ /* Inline kernel#Object#object_id (var_other) on <var_other:nullable Object(FlatString)> */
+var10 = (long)var_other;
+var8 = var10;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
 }
-var6 = ((char* (*)(val*, long))(self->class->vft[COLOR_string__StringCapable__calloc_string]))(self, var3) /* calloc_string on <self:Buffer>*/;
-var_a = var6;
-var7 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:Buffer> */
-var8 = 0;
-var9 = 0;
-{ /* Inline string#NativeString#copy_to (var7,var_a,var_l,var8,var9) */
-memcpy(var_a+var9,var7+var8,var_l);
-RET_LABEL10:(void)0;
 }
-var11 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Buffer>*/;
-var12 = '\0';
-{ /* Inline string#NativeString#[]= (var_a,var11,var12) */
-var_a[var11]=var12;
+{
+{ /* Inline kernel#Int#== (var5,var8) on <var5:Int> */
+var14 = var5 == var8;
+var12 = var14;
+goto RET_LABEL13;
 RET_LABEL13:(void)0;
 }
-var14 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Buffer>*/;
-var15 = string__NativeString__to_s_with_length(var_a, var14);
+var11 = var12;
+}
+if (var11){
+var15 = 1;
 var = var15;
 goto RET_LABEL;
-RET_LABEL:;
-return var;
+} else {
 }
-/* method string#Buffer#to_s for (self: Object): String */
-val* VIRTUAL_string__Buffer__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__Buffer__to_s(self);
-var = var1;
-RET_LABEL:;
-return var;
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var18 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var16 = var18;
+RET_LABEL17:(void)0;
 }
-/* method string#Buffer#< for (self: Buffer, String): Bool */
-short int string__Buffer___60d(val* self, val* p0) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-int cltype;
-int idtype;
-const struct type* type_struct;
-const char* var_class_name;
-val* var_s /* var s: String */;
-long var2 /* : Int */;
-long var_i /* var i: Int */;
-long var3 /* : Int */;
-long var_l1 /* var l1: Int */;
-long var4 /* : Int */;
-long var_l2 /* var l2: Int */;
-short int var5 /* : Bool */;
-short int var6 /* : Bool */;
-short int var8 /* : Bool */;
-int cltype9;
-int idtype10;
-const char* var_class_name11;
-short int var12 /* : Bool */;
-short int var_ /* var : Bool */;
-short int var13 /* : Bool */;
-short int var15 /* : Bool */;
-int cltype16;
-int idtype17;
-const char* var_class_name18;
-short int var19 /* : Bool */;
-val* var20 /* : nullable Object */;
-long var21 /* : Int */;
-char var23 /* : Char */;
-long var24 /* : Int */;
-long var_c1 /* var c1: Int */;
-val* var25 /* : nullable Object */;
-long var26 /* : Int */;
-char var28 /* : Char */;
-long var29 /* : Int */;
-long var_c2 /* var c2: Int */;
-short int var30 /* : Bool */;
-short int var32 /* : Bool */;
-int cltype33;
-int idtype34;
-const char* var_class_name35;
-short int var36 /* : Bool */;
-short int var37 /* : Bool */;
-short int var38 /* : Bool */;
-short int var40 /* : Bool */;
-int cltype41;
-int idtype42;
-const char* var_class_name43;
-short int var44 /* : Bool */;
-short int var45 /* : Bool */;
-long var46 /* : Int */;
-long var47 /* : Int */;
-long var49 /* : Int */;
-short int var50 /* : Bool */;
-short int var52 /* : Bool */;
-int cltype53;
-int idtype54;
-const char* var_class_name55;
-short int var56 /* : Bool */;
-short int var57 /* : Bool */;
-short int var58 /* : Bool */;
-/* Covariant cast for argument 0 (s) <p0:String> isa OTHER */
-/* <p0:String> isa OTHER */
-type_struct = self->type->resolution_table->types[COLOR_kernel__Comparable_VTOTHER];
-cltype = type_struct->color;
-idtype = type_struct->id;
-if(cltype >= p0->type->table_size) {
-var1 = 0;
-} else {
-var1 = p0->type->type_table[cltype] == idtype;
 }
-if (!var1) {
-var_class_name = p0 == NULL ? "null" : p0->type->name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 740);
-show_backtrace(1);
+var_my_length = var16;
+{
+{ /* Inline string#FlatText#length (var_other) on <var_other:nullable Object(FlatString)> */
+var21 = var_other->attrs[COLOR_string__FlatText___length].l; /* _length on <var_other:nullable Object(FlatString)> */
+var19 = var21;
+RET_LABEL20:(void)0;
 }
-var_s = p0;
-var2 = 0;
-var_i = var2;
-var3 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Buffer>*/;
-var_l1 = var3;
-var4 = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:String>*/;
-var_l2 = var4;
-for(;;) {
-{ /* Inline kernel#Int#< (var_i,var_l1) */
-/* Covariant cast for argument 0 (i) <var_l1:Int> isa OTHER */
-/* <var_l1:Int> isa OTHER */
-var8 = 1; /* easy <var_l1:Int> isa OTHER*/
-if (!var8) {
-var_class_name11 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name11);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
 }
-var12 = var_i < var_l1;
-var6 = var12;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+{
+{ /* Inline kernel#Int#!= (var19,var_my_length) on <var19:Int> */
+var25 = var19 == var_my_length;
+var26 = !var25;
+var23 = var26;
+goto RET_LABEL24;
+RET_LABEL24:(void)0;
 }
-var_ = var6;
-if (var6){
-{ /* Inline kernel#Int#< (var_i,var_l2) */
-/* Covariant cast for argument 0 (i) <var_l2:Int> isa OTHER */
-/* <var_l2:Int> isa OTHER */
-var15 = 1; /* easy <var_l2:Int> isa OTHER*/
-if (!var15) {
-var_class_name18 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name18);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
-}
-var19 = var_i < var_l2;
-var13 = var19;
-goto RET_LABEL14;
-RET_LABEL14:(void)0;
+var22 = var23;
 }
-var5 = var13;
+if (var22){
+var27 = 0;
+var = var27;
+goto RET_LABEL;
 } else {
-var5 = var_;
 }
-if (!var5) break;
-var20 = ((val* (*)(val*, long))(self->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(self, var_i) /* [] on <self:Buffer>*/;
-{ /* Inline kernel#Char#ascii (var20) */
-var23 = ((struct instance_kernel__Char*)var20)->value; /* autounbox from nullable Object to Char */;
-var24 = (unsigned char)var23;
-var21 = var24;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
+{
+{ /* Inline string#FlatString#index_from (self) on <self:FlatString> */
+var30 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:FlatString> */
+var28 = var30;
+RET_LABEL29:(void)0;
 }
-var_c1 = var21;
-var25 = ((val* (*)(val*, long))(var_s->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var_s, var_i) /* [] on <var_s:String>*/;
-{ /* Inline kernel#Char#ascii (var25) */
-var28 = ((struct instance_kernel__Char*)var25)->value; /* autounbox from nullable Object to Char */;
-var29 = (unsigned char)var28;
-var26 = var29;
-goto RET_LABEL27;
-RET_LABEL27:(void)0;
 }
-var_c2 = var26;
-{ /* Inline kernel#Int#< (var_c1,var_c2) */
-/* Covariant cast for argument 0 (i) <var_c2:Int> isa OTHER */
-/* <var_c2:Int> isa OTHER */
-var32 = 1; /* easy <var_c2:Int> isa OTHER*/
-if (!var32) {
-var_class_name35 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name35);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
+var_my_index = var28;
+{
+{ /* Inline string#FlatString#index_from (var_other) on <var_other:nullable Object(FlatString)> */
+var33 = var_other->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <var_other:nullable Object(FlatString)> */
+var31 = var33;
+RET_LABEL32:(void)0;
 }
-var36 = var_c1 < var_c2;
-var30 = var36;
-goto RET_LABEL31;
-RET_LABEL31:(void)0;
 }
-if (var30){
-var37 = 1;
-var = var37;
-goto RET_LABEL;
-} else {
-{ /* Inline kernel#Int#< (var_c2,var_c1) */
-/* Covariant cast for argument 0 (i) <var_c1:Int> isa OTHER */
-/* <var_c1:Int> isa OTHER */
-var40 = 1; /* easy <var_c1:Int> isa OTHER*/
-if (!var40) {
-var_class_name43 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name43);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
+var_its_index = var31;
+{
+{ /* Inline kernel#Int#+ (var_my_index,var_my_length) on <var_my_index:Int> */
+/* Covariant cast for argument 0 (i) <var_my_length:Int> isa OTHER */
+/* <var_my_length:Int> isa OTHER */
+var36 = 1; /* easy <var_my_length:Int> isa OTHER*/
+if (unlikely(!var36)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
 show_backtrace(1);
 }
-var44 = var_c2 < var_c1;
-var38 = var44;
-goto RET_LABEL39;
-RET_LABEL39:(void)0;
+var39 = var_my_index + var_my_length;
+var34 = var39;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
 }
-if (var38){
-var45 = 0;
-var = var45;
-goto RET_LABEL;
-} else {
 }
+var_last_iteration = var34;
+{
+{ /* Inline string#FlatText#items (var_other) on <var_other:nullable Object(FlatString)> */
+var42 = var_other->attrs[COLOR_string__FlatText___items].str; /* _items on <var_other:nullable Object(FlatString)> */
+var40 = var42;
+RET_LABEL41:(void)0;
 }
-var46 = 1;
-{ /* Inline kernel#Int#+ (var_i,var46) */
-var49 = var_i + var46;
-var47 = var49;
-goto RET_LABEL48;
-RET_LABEL48:(void)0;
 }
-var_i = var47;
-CONTINUE_label: (void)0;
+var_itsitems = var40;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatString> */
+var45 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatString> */
+var43 = var45;
+RET_LABEL44:(void)0;
 }
-BREAK_label: (void)0;
-{ /* Inline kernel#Int#< (var_l1,var_l2) */
-/* Covariant cast for argument 0 (i) <var_l2:Int> isa OTHER */
-/* <var_l2:Int> isa OTHER */
-var52 = 1; /* easy <var_l2:Int> isa OTHER*/
-if (!var52) {
-var_class_name55 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name55);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
+}
+var_myitems = var43;
+for(;;) {
+{
+{ /* Inline kernel#Int#< (var_my_index,var_last_iteration) on <var_my_index:Int> */
+/* Covariant cast for argument 0 (i) <var_last_iteration:Int> isa OTHER */
+/* <var_last_iteration:Int> isa OTHER */
+var48 = 1; /* easy <var_last_iteration:Int> isa OTHER*/
+if (unlikely(!var48)) {
+var_class_name51 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name51);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
 show_backtrace(1);
 }
-var56 = var_l1 < var_l2;
-var50 = var56;
-goto RET_LABEL51;
-RET_LABEL51:(void)0;
+var52 = var_my_index < var_last_iteration;
+var46 = var52;
+goto RET_LABEL47;
+RET_LABEL47:(void)0;
 }
-if (var50){
-var57 = 1;
-var = var57;
-goto RET_LABEL;
-} else {
-var58 = 0;
-var = var58;
-goto RET_LABEL;
 }
-RET_LABEL:;
-return var;
+if (var46){
+{
+{ /* Inline string#NativeString#[] (var_myitems,var_my_index) on <var_myitems:NativeString> */
+var55 = var_myitems[var_my_index];
+var53 = var55;
+goto RET_LABEL54;
+RET_LABEL54:(void)0;
 }
-/* method string#Buffer#< for (self: Object, Comparable): Bool */
-short int VIRTUAL_string__Buffer___60d(val* self, val* p0) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = string__Buffer___60d(self, p0);
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#Buffer#init for (self: Buffer) */
-void string__Buffer__init(val* self) {
-long var /* : Int */;
-var = 5;
-((void (*)(val*, long))(self->class->vft[COLOR_string__Buffer__with_capacity]))(self, var) /* with_capacity on <self:Buffer>*/;
-RET_LABEL:;
+{
+{ /* Inline string#NativeString#[] (var_itsitems,var_its_index) on <var_itsitems:NativeString> */
+var58 = var_itsitems[var_its_index];
+var56 = var58;
+goto RET_LABEL57;
+RET_LABEL57:(void)0;
 }
-/* method string#Buffer#init for (self: Object) */
-void VIRTUAL_string__Buffer__init(val* self) {
-string__Buffer__init(self);
-RET_LABEL:;
 }
-/* method string#Buffer#from for (self: Buffer, String) */
-void string__Buffer__from(val* self, val* p0) {
-val* var_s /* var s: String */;
-long var /* : Int */;
-long var1 /* : Int */;
-long var2 /* : Int */;
-long var4 /* : Int */;
-long var5 /* : Int */;
-long var6 /* : Int */;
-char* var7 /* : NativeString */;
-char* var8 /* : NativeString */;
-char* var9 /* : NativeString */;
-long var10 /* : Int */;
-long var11 /* : Int */;
-long var12 /* : Int */;
-var_s = p0;
-((void (*)(val*))(self->class->vft[COLOR_string__AbstractString__init]))(self) /* init on <self:Buffer>*/;
-((void (*)(val*))(self->class->vft[COLOR_array__AbstractArray__init]))(self) /* init on <self:Buffer>*/;
-var = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:String>*/;
-var1 = 1;
-{ /* Inline kernel#Int#+ (var,var1) */
-var4 = var + var1;
-var2 = var4;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+{
+{ /* Inline kernel#Char#!= (var53,var56) on <var53:Char> */
+var62 = var53 == var56;
+var63 = !var62;
+var60 = var63;
+goto RET_LABEL61;
+RET_LABEL61:(void)0;
 }
-self->attrs[COLOR_string__Buffer___capacity].l = var2; /* _capacity on <self:Buffer> */
-var5 = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:String>*/;
-self->attrs[COLOR_array__AbstractArrayRead___length].l = var5; /* _length on <self:Buffer> */
-var6 = self->attrs[COLOR_string__Buffer___capacity].l; /* _capacity on <self:Buffer> */
-var7 = ((char* (*)(val*, long))(self->class->vft[COLOR_string__StringCapable__calloc_string]))(self, var6) /* calloc_string on <self:Buffer>*/;
-self->attrs[COLOR_string__AbstractString___items].str = var7; /* _items on <self:Buffer> */
-var8 = ((char* (*)(val*))(var_s->class->vft[COLOR_string__AbstractString__items]))(var_s) /* items on <var_s:String>*/;
-var9 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:Buffer> */
-var10 = self->attrs[COLOR_array__AbstractArrayRead___length].l; /* _length on <self:Buffer> */
-var11 = var_s->attrs[COLOR_string__String___index_from].l; /* _index_from on <var_s:String> */
-var12 = 0;
-{ /* Inline string#NativeString#copy_to (var8,var9,var10,var11,var12) */
-memcpy(var9+var12,var8+var11,var10);
-RET_LABEL13:(void)0;
+var59 = var60;
 }
-RET_LABEL:;
+if (var59){
+var64 = 0;
+var = var64;
+goto RET_LABEL;
+} else {
 }
-/* method string#Buffer#from for (self: Object, String) */
-void VIRTUAL_string__Buffer__from(val* self, val* p0) {
-string__Buffer__from(self, p0);
-RET_LABEL:;
+var65 = 1;
+{
+{ /* Inline kernel#Int#+ (var_my_index,var65) on <var_my_index:Int> */
+/* Covariant cast for argument 0 (i) <var65:Int> isa OTHER */
+/* <var65:Int> isa OTHER */
+var68 = 1; /* easy <var65:Int> isa OTHER*/
+if (unlikely(!var68)) {
+var_class_name71 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name71);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
 }
-/* method string#Buffer#with_capacity for (self: Buffer, Int) */
-void string__Buffer__with_capacity(val* self, long p0) {
-long var_cap /* var cap: Int */;
-long var /* : Int */;
-short int var1 /* : Bool */;
-short int var3 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var4 /* : Bool */;
-long var5 /* : Int */;
-long var6 /* : Int */;
-long var8 /* : Int */;
-char* var9 /* : NativeString */;
-long var10 /* : Int */;
-var_cap = p0;
-((void (*)(val*))(self->class->vft[COLOR_string__AbstractString__init]))(self) /* init on <self:Buffer>*/;
-((void (*)(val*))(self->class->vft[COLOR_array__AbstractArray__init]))(self) /* init on <self:Buffer>*/;
-var = 0;
-{ /* Inline kernel#Int#>= (var_cap,var) */
-/* Covariant cast for argument 0 (i) <var:Int> isa OTHER */
-/* <var:Int> isa OTHER */
-var3 = 1; /* easy <var:Int> isa OTHER*/
-if (!var3) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 262);
+var72 = var_my_index + var65;
+var66 = var72;
+goto RET_LABEL67;
+RET_LABEL67:(void)0;
+}
+}
+var_my_index = var66;
+var73 = 1;
+{
+{ /* Inline kernel#Int#+ (var_its_index,var73) on <var_its_index:Int> */
+/* Covariant cast for argument 0 (i) <var73:Int> isa OTHER */
+/* <var73:Int> isa OTHER */
+var76 = 1; /* easy <var73:Int> isa OTHER*/
+if (unlikely(!var76)) {
+var_class_name79 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name79);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
 show_backtrace(1);
 }
-var4 = var_cap >= var;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
+var80 = var_its_index + var73;
+var74 = var80;
+goto RET_LABEL75;
+RET_LABEL75:(void)0;
 }
-if (!var1) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 779);
-show_backtrace(1);
 }
-var5 = 1;
-{ /* Inline kernel#Int#+ (var_cap,var5) */
-var8 = var_cap + var5;
-var6 = var8;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+var_its_index = var74;
+} else {
+goto BREAK_label;
 }
-var9 = ((char* (*)(val*, long))(self->class->vft[COLOR_string__StringCapable__calloc_string]))(self, var6) /* calloc_string on <self:Buffer>*/;
-self->attrs[COLOR_string__AbstractString___items].str = var9; /* _items on <self:Buffer> */
-self->attrs[COLOR_string__Buffer___capacity].l = var_cap; /* _capacity on <self:Buffer> */
-var10 = 0;
-self->attrs[COLOR_array__AbstractArrayRead___length].l = var10; /* _length on <self:Buffer> */
+}
+BREAK_label: (void)0;
+var81 = 1;
+var = var81;
+goto RET_LABEL;
 RET_LABEL:;
+return var;
 }
-/* method string#Buffer#with_capacity for (self: Object, Int) */
-void VIRTUAL_string__Buffer__with_capacity(val* self, long p0) {
-string__Buffer__with_capacity(self, p0);
+/* method string#FlatString#== for (self: Object, nullable Object): Bool */
+short int VIRTUAL_string__FlatString___61d_61d(val* self, val* p0) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+var1 = string__FlatString___61d_61d(self, p0);
+var = var1;
 RET_LABEL:;
+return var;
 }
-/* method string#Buffer#== for (self: Buffer, nullable Object): Bool */
-short int string__Buffer___61d_61d(val* self, val* p0) {
+/* method string#FlatString#< for (self: FlatString, Text): Bool */
+short int string__FlatString___60d(val* self, val* p0) {
 short int var /* : Bool */;
-val* var_o /* var o: nullable Object */;
 short int var1 /* : Bool */;
 int cltype;
 int idtype;
+const struct type* type_struct;
+const char* var_class_name;
+val* var_other /* var other: Text */;
 short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-long var4 /* : Int */;
-long var_l /* var l: Int */;
-long var5 /* : Int */;
+int cltype3;
+int idtype4;
+short int var5 /* : Bool */;
 short int var6 /* : Bool */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-short int var10 /* : Bool */;
-long var11 /* : Int */;
-long var_i /* var i: Int */;
-char* var12 /* : NativeString */;
-char* var_it /* var it: NativeString */;
-char* var13 /* : NativeString */;
-char* var_oit /* var oit: NativeString */;
+long var7 /* : Int */;
+long var9 /* : Int */;
+long var10 /* : Int */;
+long var12 /* : Int */;
+short int var13 /* : Bool */;
 short int var14 /* : Bool */;
 short int var16 /* : Bool */;
-int cltype17;
-int idtype18;
-const char* var_class_name;
-short int var19 /* : Bool */;
-char var20 /* : Char */;
-char var22 /* : Char */;
-char var23 /* : Char */;
-char var25 /* : Char */;
-short int var26 /* : Bool */;
-short int var28 /* : Bool */;
-short int var29 /* : Bool */;
-short int var30 /* : Bool */;
-long var31 /* : Int */;
+short int var17 /* : Bool */;
+long var18 /* : Int */;
+long var20 /* : Int */;
+long var_curr_id_self /* var curr_id_self: Int */;
+long var21 /* : Int */;
+long var23 /* : Int */;
+long var_curr_id_other /* var curr_id_other: Int */;
+char* var24 /* : NativeString */;
+char* var26 /* : NativeString */;
+char* var_my_items /* var my_items: NativeString */;
+char* var27 /* : NativeString */;
+char* var29 /* : NativeString */;
+char* var_its_items /* var its_items: NativeString */;
+long var30 /* : Int */;
 long var32 /* : Int */;
-long var34 /* : Int */;
-short int var35 /* : Bool */;
-var_o = p0;
-/* <var_o:nullable Object> isa Buffer */
-cltype = type_string__Buffer.color;
-idtype = type_string__Buffer.id;
-if(var_o == NULL) {
-var1 = 0;
-} else {
-if(cltype >= var_o->type->table_size) {
+long var_my_length /* var my_length: Int */;
+long var33 /* : Int */;
+long var35 /* : Int */;
+long var_its_length /* var its_length: Int */;
+long var36 /* : Int */;
+short int var38 /* : Bool */;
+int cltype39;
+int idtype40;
+const char* var_class_name41;
+long var42 /* : Int */;
+long var_max_iterations /* var max_iterations: Int */;
+short int var43 /* : Bool */;
+short int var45 /* : Bool */;
+int cltype46;
+int idtype47;
+const char* var_class_name48;
+short int var49 /* : Bool */;
+char var50 /* : Char */;
+char var52 /* : Char */;
+char var_my_curr_char /* var my_curr_char: Char */;
+char var53 /* : Char */;
+char var55 /* : Char */;
+char var_its_curr_char /* var its_curr_char: Char */;
+short int var56 /* : Bool */;
+short int var57 /* : Bool */;
+short int var59 /* : Bool */;
+short int var60 /* : Bool */;
+short int var61 /* : Bool */;
+short int var63 /* : Bool */;
+int cltype64;
+int idtype65;
+const char* var_class_name66;
+short int var67 /* : Bool */;
+short int var68 /* : Bool */;
+short int var69 /* : Bool */;
+long var70 /* : Int */;
+long var71 /* : Int */;
+short int var73 /* : Bool */;
+int cltype74;
+int idtype75;
+const char* var_class_name76;
+long var77 /* : Int */;
+long var78 /* : Int */;
+long var79 /* : Int */;
+short int var81 /* : Bool */;
+int cltype82;
+int idtype83;
+const char* var_class_name84;
+long var85 /* : Int */;
+short int var86 /* : Bool */;
+short int var88 /* : Bool */;
+int cltype89;
+int idtype90;
+const char* var_class_name91;
+short int var92 /* : Bool */;
+/* Covariant cast for argument 0 (other) <p0:Text> isa OTHER */
+/* <p0:Text> isa OTHER */
+type_struct = self->type->resolution_table->types[COLOR_kernel__Comparable_VTOTHER];
+cltype = type_struct->color;
+idtype = type_struct->id;
+if(cltype >= p0->type->table_size) {
 var1 = 0;
 } else {
-var1 = var_o->type->type_table[cltype] == idtype;
+var1 = p0->type->type_table[cltype] == idtype;
 }
+if (unlikely(!var1)) {
+var_class_name = p0 == NULL ? "null" : p0->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1094);
+show_backtrace(1);
 }
-var2 = !var1;
-if (var2){
-var3 = 0;
-var = var3;
-goto RET_LABEL;
+var_other = p0;
+/* <var_other:Text> isa FlatString */
+cltype3 = type_string__FlatString.color;
+idtype4 = type_string__FlatString.id;
+if(cltype3 >= var_other->type->table_size) {
+var2 = 0;
 } else {
+var2 = var_other->type->type_table[cltype3] == idtype4;
 }
-var4 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Buffer>*/;
-var_l = var4;
-var5 = ((long (*)(val*))(var_o->class->vft[COLOR_abstract_collection__Collection__length]))(var_o) /* length on <var_o:nullable Object(Buffer)>*/;
-{ /* Inline kernel#Int#!= (var5,var_l) */
-var8 = var5 == var_l;
-var9 = !var8;
-var6 = var9;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+var5 = !var2;
+if (var5){
+{
+var6 = ((short int (*)(val*, val*))(self->class->vft[COLOR_string__FlatString___60d]))(self, p0) /* < on <self:FlatString>*/;
 }
-if (var6){
-var10 = 0;
-var = var10;
+var = var6;
 goto RET_LABEL;
 } else {
 }
-var11 = 0;
-var_i = var11;
-var12 = self->attrs[COLOR_string__AbstractString___items].str; /* _items on <self:Buffer> */
-var_it = var12;
-var13 = var_o->attrs[COLOR_string__AbstractString___items].str; /* _items on <var_o:nullable Object(Buffer)> */
-var_oit = var13;
-for(;;) {
-{ /* Inline kernel#Int#< (var_i,var_l) */
-/* Covariant cast for argument 0 (i) <var_l:Int> isa OTHER */
-/* <var_l:Int> isa OTHER */
-var16 = 1; /* easy <var_l:Int> isa OTHER*/
-if (!var16) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
-show_backtrace(1);
+{
+{ /* Inline kernel#Object#object_id (self) on <self:FlatString> */
+var9 = (long)self;
+var7 = var9;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
 }
-var19 = var_i < var_l;
-var14 = var19;
-goto RET_LABEL15;
-RET_LABEL15:(void)0;
 }
-if (!var14) break;
-{ /* Inline string#NativeString#[] (var_it,var_i) */
-var22 = var_it[var_i];
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
+{
+{ /* Inline kernel#Object#object_id (var_other) on <var_other:Text(FlatString)> */
+var12 = (long)var_other;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
-{ /* Inline string#NativeString#[] (var_oit,var_i) */
-var25 = var_oit[var_i];
-var23 = var25;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
 }
-{ /* Inline kernel#Char#!= (var20,var23) */
-var28 = var20 == var23;
-var29 = !var28;
-var26 = var29;
-goto RET_LABEL27;
-RET_LABEL27:(void)0;
+{
+{ /* Inline kernel#Int#== (var7,var10) on <var7:Int> */
+var16 = var7 == var10;
+var14 = var16;
+goto RET_LABEL15;
+RET_LABEL15:(void)0;
 }
-if (var26){
-var30 = 0;
-var = var30;
+var13 = var14;
+}
+if (var13){
+var17 = 0;
+var = var17;
 goto RET_LABEL;
 } else {
 }
-var31 = 1;
-{ /* Inline kernel#Int#+ (var_i,var31) */
-var34 = var_i + var31;
-var32 = var34;
-goto RET_LABEL33;
-RET_LABEL33:(void)0;
+{
+{ /* Inline string#FlatString#index_from (self) on <self:FlatString> */
+var20 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:FlatString> */
+var18 = var20;
+RET_LABEL19:(void)0;
 }
-var_i = var32;
-CONTINUE_label: (void)0;
 }
-BREAK_label: (void)0;
-var35 = 1;
-var = var35;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+var_curr_id_self = var18;
+{
+{ /* Inline string#FlatString#index_from (var_other) on <var_other:Text(FlatString)> */
+var23 = var_other->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <var_other:Text(FlatString)> */
+var21 = var23;
+RET_LABEL22:(void)0;
 }
-/* method string#Buffer#== for (self: Object, nullable Object): Bool */
-short int VIRTUAL_string__Buffer___61d_61d(val* self, val* p0) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = string__Buffer___61d_61d(self, p0);
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#Buffer#capacity for (self: Buffer): Int */
-long string__Buffer__capacity(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = self->attrs[COLOR_string__Buffer___capacity].l; /* _capacity on <self:Buffer> */
-var = var1;
-RET_LABEL:;
-return var;
+var_curr_id_other = var21;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatString> */
+var26 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatString> */
+var24 = var26;
+RET_LABEL25:(void)0;
 }
-/* method string#Buffer#capacity for (self: Object): Int */
-long VIRTUAL_string__Buffer__capacity(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = string__Buffer__capacity(self);
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#Object#to_s for (self: Object): String */
-val* string__Object__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = ((val* (*)(val*))(self->class->vft[COLOR_string__Object__inspect]))(self) /* inspect on <self:Object>*/;
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+var_my_items = var24;
+{
+{ /* Inline string#FlatText#items (var_other) on <var_other:Text(FlatString)> */
+var29 = var_other->attrs[COLOR_string__FlatText___items].str; /* _items on <var_other:Text(FlatString)> */
+var27 = var29;
+RET_LABEL28:(void)0;
 }
-/* method string#Object#to_s for (self: Object): String */
-val* VIRTUAL_string__Object__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__Object__to_s(self);
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#Object#native_class_name for (self: Object): NativeString */
-char* string__Object__native_class_name(val* self) {
-char* var /* : NativeString */;
-const char* var_class_name;
-char* var1 /* : NativeString */;
-var_class_name = self == NULL ? "null" : self->type->name;
-var1 = (char*)var_class_name;
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+var_its_items = var27;
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var32 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var30 = var32;
+RET_LABEL31:(void)0;
 }
-/* method string#Object#native_class_name for (self: Object): NativeString */
-char* VIRTUAL_string__Object__native_class_name(val* self) {
-char* var /* : NativeString */;
-char* var1 /* : NativeString */;
-const char* var_class_name;
-char* var3 /* : NativeString */;
-{ /* Inline string#Object#native_class_name (self) */
-var_class_name = self == NULL ? "null" : self->type->name;
-var3 = (char*)var_class_name;
-var1 = var3;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
 }
-var = var1;
-RET_LABEL:;
-return var;
+var_my_length = var30;
+{
+{ /* Inline string#FlatText#length (var_other) on <var_other:Text(FlatString)> */
+var35 = var_other->attrs[COLOR_string__FlatText___length].l; /* _length on <var_other:Text(FlatString)> */
+var33 = var35;
+RET_LABEL34:(void)0;
 }
-/* method string#Object#class_name for (self: Object): String */
-val* string__Object__class_name(val* self) {
-val* var /* : String */;
-char* var1 /* : NativeString */;
-val* var2 /* : String */;
-var1 = ((char* (*)(val*))(self->class->vft[COLOR_string__Object__native_class_name]))(self) /* native_class_name on <self:Object>*/;
-var2 = string__NativeString__to_s(var1);
-var = var2;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method string#Object#class_name for (self: Object): String */
-val* VIRTUAL_string__Object__class_name(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__Object__class_name(self);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method string#Object#inspect for (self: Object): String */
-val* string__Object__inspect(val* self) {
-val* var /* : String */;
-val* var1 /* : Array[Object] */;
-long var2 /* : Int */;
-val* var_ /* var : Array[Object] */;
-static val* varonce;
-val* var3 /* : String */;
-char* var4 /* : NativeString */;
-long var5 /* : Int */;
-val* var6 /* : String */;
-val* var7 /* : String */;
-static val* varonce8;
-val* var9 /* : String */;
-char* var10 /* : NativeString */;
-long var11 /* : Int */;
-val* var12 /* : String */;
-val* var13 /* : String */;
-var1 = NEW_array__Array(&type_array__Arraykernel__Object);
-var2 = 3;
-((void (*)(val*, long))(var1->class->vft[COLOR_array__Array__with_capacity]))(var1, var2) /* with_capacity on <var1:Array[Object]>*/;
-var_ = var1;
-if (varonce) {
-var3 = varonce;
-} else {
-var4 = "<";
-var5 = 1;
-var6 = string__NativeString__to_s_with_length(var4, var5);
-var3 = var6;
-varonce = var3;
-}
-((void (*)(val*, val*))(var_->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_, var3) /* add on <var_:Array[Object]>*/;
-var7 = ((val* (*)(val*))(self->class->vft[COLOR_string__Object__inspect_head]))(self) /* inspect_head on <self:Object>*/;
-((void (*)(val*, val*))(var_->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_, var7) /* add on <var_:Array[Object]>*/;
-if (varonce8) {
-var9 = varonce8;
-} else {
-var10 = ">";
-var11 = 1;
-var12 = string__NativeString__to_s_with_length(var10, var11);
-var9 = var12;
-varonce8 = var9;
-}
-((void (*)(val*, val*))(var_->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_, var9) /* add on <var_:Array[Object]>*/;
-var13 = ((val* (*)(val*))(var_->class->vft[COLOR_string__Object__to_s]))(var_) /* to_s on <var_:Array[Object]>*/;
-var = var13;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method string#Object#inspect for (self: Object): String */
-val* VIRTUAL_string__Object__inspect(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__Object__inspect(self);
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#Object#inspect_head for (self: Object): String */
-val* string__Object__inspect_head(val* self) {
-val* var /* : String */;
-val* var1 /* : Array[Object] */;
-long var2 /* : Int */;
-val* var_ /* var : Array[Object] */;
-static val* varonce;
-val* var3 /* : String */;
-char* var4 /* : NativeString */;
-long var5 /* : Int */;
-val* var6 /* : String */;
-val* var7 /* : String */;
-static val* varonce8;
-val* var9 /* : String */;
-char* var10 /* : NativeString */;
-long var11 /* : Int */;
-val* var12 /* : String */;
-long var13 /* : Int */;
-val* var14 /* : String */;
-static val* varonce15;
-val* var16 /* : String */;
-char* var17 /* : NativeString */;
-long var18 /* : Int */;
-val* var19 /* : String */;
-val* var20 /* : String */;
-var1 = NEW_array__Array(&type_array__Arraykernel__Object);
-var2 = 5;
-((void (*)(val*, long))(var1->class->vft[COLOR_array__Array__with_capacity]))(var1, var2) /* with_capacity on <var1:Array[Object]>*/;
-var_ = var1;
-if (varonce) {
-var3 = varonce;
-} else {
-var4 = "";
-var5 = 0;
-var6 = string__NativeString__to_s_with_length(var4, var5);
-var3 = var6;
-varonce = var3;
-}
-((void (*)(val*, val*))(var_->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_, var3) /* add on <var_:Array[Object]>*/;
-var7 = ((val* (*)(val*))(self->class->vft[COLOR_string__Object__class_name]))(self) /* class_name on <self:Object>*/;
-((void (*)(val*, val*))(var_->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_, var7) /* add on <var_:Array[Object]>*/;
-if (varonce8) {
-var9 = varonce8;
-} else {
-var10 = ":#";
-var11 = 2;
-var12 = string__NativeString__to_s_with_length(var10, var11);
-var9 = var12;
-varonce8 = var9;
-}
-((void (*)(val*, val*))(var_->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_, var9) /* add on <var_:Array[Object]>*/;
-var13 = ((long (*)(val*))(self->class->vft[COLOR_kernel__Object__object_id]))(self) /* object_id on <self:Object>*/;
-var14 = string__Int__to_hex(var13);
-((void (*)(val*, val*))(var_->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_, var14) /* add on <var_:Array[Object]>*/;
-if (varonce15) {
-var16 = varonce15;
-} else {
-var17 = "";
-var18 = 0;
-var19 = string__NativeString__to_s_with_length(var17, var18);
-var16 = var19;
-varonce15 = var16;
+var_its_length = var33;
+{
+{ /* Inline kernel#Int#+ (var_curr_id_self,var_my_length) on <var_curr_id_self:Int> */
+/* Covariant cast for argument 0 (i) <var_my_length:Int> isa OTHER */
+/* <var_my_length:Int> isa OTHER */
+var38 = 1; /* easy <var_my_length:Int> isa OTHER*/
+if (unlikely(!var38)) {
+var_class_name41 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name41);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
 }
-((void (*)(val*, val*))(var_->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_, var16) /* add on <var_:Array[Object]>*/;
-var20 = ((val* (*)(val*))(var_->class->vft[COLOR_string__Object__to_s]))(var_) /* to_s on <var_:Array[Object]>*/;
-var = var20;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+var42 = var_curr_id_self + var_my_length;
+var36 = var42;
+goto RET_LABEL37;
+RET_LABEL37:(void)0;
 }
-/* method string#Object#inspect_head for (self: Object): String */
-val* VIRTUAL_string__Object__inspect_head(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__Object__inspect_head(self);
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#Object#args for (self: Object): Sequence[String] */
-val* string__Object__args(val* self) {
-val* var /* : Sequence[String] */;
-val* var1 /* : Sys */;
-val* var2 /* : Sequence[String] */;
-var1 = ((val* (*)(val*))(self->class->vft[COLOR_kernel__Object__sys]))(self) /* sys on <self:Object>*/;
-var2 = ((val* (*)(val*))(var1->class->vft[COLOR_string__Object__args]))(var1) /* args on <var1:Sys>*/;
-var = var2;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+var_max_iterations = var36;
+for(;;) {
+{
+{ /* Inline kernel#Int#< (var_curr_id_self,var_max_iterations) on <var_curr_id_self:Int> */
+/* Covariant cast for argument 0 (i) <var_max_iterations:Int> isa OTHER */
+/* <var_max_iterations:Int> isa OTHER */
+var45 = 1; /* easy <var_max_iterations:Int> isa OTHER*/
+if (unlikely(!var45)) {
+var_class_name48 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name48);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
 }
-/* method string#Object#args for (self: Object): Sequence[String] */
-val* VIRTUAL_string__Object__args(val* self) {
-val* var /* : Sequence[String] */;
-val* var1 /* : Sequence[String] */;
-var1 = string__Object__args(self);
-var = var1;
-RET_LABEL:;
-return var;
+var49 = var_curr_id_self < var_max_iterations;
+var43 = var49;
+goto RET_LABEL44;
+RET_LABEL44:(void)0;
 }
-/* method string#Bool#to_s for (self: Bool): String */
-val* string__Bool__to_s(short int self) {
-val* var /* : String */;
-static val* varonce;
-static int varonce_guard;
-val* var1 /* : String */;
-static val* varonce2;
-val* var3 /* : String */;
-char* var4 /* : NativeString */;
-long var5 /* : Int */;
-val* var6 /* : String */;
-static val* varonce7;
-static int varonce7_guard;
-val* var8 /* : String */;
-static val* varonce9;
-val* var10 /* : String */;
-char* var11 /* : NativeString */;
-long var12 /* : Int */;
-val* var13 /* : String */;
-if (self){
-if (varonce_guard) {
-var1 = varonce;
-} else {
-if (varonce2) {
-var3 = varonce2;
-} else {
-var4 = "true";
-var5 = 4;
-var6 = string__NativeString__to_s_with_length(var4, var5);
-var3 = var6;
-varonce2 = var3;
 }
-var1 = var3;
-varonce = var1;
-varonce_guard = 1;
+if (var43){
+{
+{ /* Inline string#NativeString#[] (var_my_items,var_curr_id_self) on <var_my_items:NativeString> */
+var52 = var_my_items[var_curr_id_self];
+var50 = var52;
+goto RET_LABEL51;
+RET_LABEL51:(void)0;
 }
-var = var1;
-goto RET_LABEL;
-} else {
-if (varonce7_guard) {
-var8 = varonce7;
-} else {
-if (varonce9) {
-var10 = varonce9;
-} else {
-var11 = "false";
-var12 = 5;
-var13 = string__NativeString__to_s_with_length(var11, var12);
-var10 = var13;
-varonce9 = var10;
 }
-var8 = var10;
-varonce7 = var8;
-varonce7_guard = 1;
+var_my_curr_char = var50;
+{
+{ /* Inline string#NativeString#[] (var_its_items,var_curr_id_other) on <var_its_items:NativeString> */
+var55 = var_its_items[var_curr_id_other];
+var53 = var55;
+goto RET_LABEL54;
+RET_LABEL54:(void)0;
 }
-var = var8;
-goto RET_LABEL;
 }
-RET_LABEL:;
-return var;
+var_its_curr_char = var53;
+{
+{ /* Inline kernel#Char#!= (var_my_curr_char,var_its_curr_char) on <var_my_curr_char:Char> */
+var59 = var_my_curr_char == var_its_curr_char;
+var60 = !var59;
+var57 = var60;
+goto RET_LABEL58;
+RET_LABEL58:(void)0;
 }
-/* method string#Bool#to_s for (self: Object): String */
-val* VIRTUAL_string__Bool__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-short int var2 /* : Bool */;
-var2 = ((struct instance_kernel__Bool*)self)->value; /* autounbox from Object to Bool */;
-var1 = string__Bool__to_s(var2);
-var = var1;
-RET_LABEL:;
-return var;
+var56 = var57;
 }
-/* method string#Int#fill_buffer for (self: Int, Buffer, Int, Bool) */
-void string__Int__fill_buffer(long self, val* p0, long p1, short int p2) {
-val* var_s /* var s: Buffer */;
-long var_base /* var base: Int */;
-short int var_signed /* var signed: Bool */;
-long var /* : Int */;
-short int var1 /* : Bool */;
-short int var3 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var4 /* : Bool */;
-long var5 /* : Int */;
-long var7 /* : Int */;
-long var_n /* var n: Int */;
-long var8 /* : Int */;
-char var9 /* : Char */;
-val* var10 /* : nullable Object */;
-long var11 /* : Int */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-long var15 /* : Int */;
-char var16 /* : Char */;
-val* var17 /* : nullable Object */;
-long var18 /* : Int */;
-long var19 /* : Int */;
-long var20 /* : Int */;
-long var22 /* : Int */;
-long var_pos /* var pos: Int */;
-short int var23 /* : Bool */;
-long var24 /* : Int */;
-short int var25 /* : Bool */;
-short int var27 /* : Bool */;
-int cltype28;
-int idtype29;
-const char* var_class_name30;
-short int var31 /* : Bool */;
-short int var_ /* var : Bool */;
-long var32 /* : Int */;
-short int var33 /* : Bool */;
-short int var35 /* : Bool */;
-int cltype36;
-int idtype37;
-const char* var_class_name38;
-short int var39 /* : Bool */;
-long var40 /* : Int */;
-long var42 /* : Int */;
-char var43 /* : Char */;
-val* var44 /* : nullable Object */;
-long var45 /* : Int */;
-long var47 /* : Int */;
-long var48 /* : Int */;
-long var49 /* : Int */;
-long var51 /* : Int */;
-var_s = p0;
-var_base = p1;
-var_signed = p2;
-var = 0;
-{ /* Inline kernel#Int#< (self,var) */
-/* Covariant cast for argument 0 (i) <var:Int> isa OTHER */
-/* <var:Int> isa OTHER */
-var3 = 1; /* easy <var:Int> isa OTHER*/
-if (!var3) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
+if (var56){
+{
+{ /* Inline kernel#Char#< (var_my_curr_char,var_its_curr_char) on <var_my_curr_char:Char> */
+/* Covariant cast for argument 0 (i) <var_its_curr_char:Char> isa OTHER */
+/* <var_its_curr_char:Char> isa OTHER */
+var63 = 1; /* easy <var_its_curr_char:Char> isa OTHER*/
+if (unlikely(!var63)) {
+var_class_name66 = type_kernel__Char.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name66);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 546);
 show_backtrace(1);
 }
-var4 = self < var;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
+var67 = var_my_curr_char < var_its_curr_char;
+var61 = var67;
+goto RET_LABEL62;
+RET_LABEL62:(void)0;
 }
-if (var1){
-{ /* Inline kernel#Int#unary - (self) */
-var7 = -self;
-var5 = var7;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
 }
-var_n = var5;
-var8 = 0;
-var9 = '-';
-var10 = BOX_kernel__Char(var9); /* autobox from Char to nullable Object */
-((void (*)(val*, long, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence___91d_93d_61d]))(var_s, var8, var10) /* []= on <var_s:Buffer>*/;
+if (var61){
+var68 = 1;
+var = var68;
+goto RET_LABEL;
 } else {
-var11 = 0;
-{ /* Inline kernel#Int#== (self,var11) */
-var14 = self == var11;
-var12 = var14;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
 }
-if (var12){
-var15 = 0;
-var16 = '0';
-var17 = BOX_kernel__Char(var16); /* autobox from Char to nullable Object */
-((void (*)(val*, long, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence___91d_93d_61d]))(var_s, var15, var17) /* []= on <var_s:Buffer>*/;
+var69 = 0;
+var = var69;
 goto RET_LABEL;
 } else {
-var_n = self;
-}
-}
-var18 = kernel__Int__digit_count(self, var_base);
-var19 = 1;
-{ /* Inline kernel#Int#- (var18,var19) */
-var22 = var18 - var19;
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
 }
-var_pos = var20;
-for(;;) {
-var24 = 0;
-{ /* Inline kernel#Int#>= (var_pos,var24) */
-/* Covariant cast for argument 0 (i) <var24:Int> isa OTHER */
-/* <var24:Int> isa OTHER */
-var27 = 1; /* easy <var24:Int> isa OTHER*/
-if (!var27) {
-var_class_name30 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name30);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 262);
+var70 = 1;
+{
+{ /* Inline kernel#Int#+ (var_curr_id_self,var70) on <var_curr_id_self:Int> */
+/* Covariant cast for argument 0 (i) <var70:Int> isa OTHER */
+/* <var70:Int> isa OTHER */
+var73 = 1; /* easy <var70:Int> isa OTHER*/
+if (unlikely(!var73)) {
+var_class_name76 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name76);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
 show_backtrace(1);
 }
-var31 = var_pos >= var24;
-var25 = var31;
-goto RET_LABEL26;
-RET_LABEL26:(void)0;
-}
-var_ = var25;
-if (var25){
-var32 = 0;
-{ /* Inline kernel#Int#> (var_n,var32) */
-/* Covariant cast for argument 0 (i) <var32:Int> isa OTHER */
-/* <var32:Int> isa OTHER */
-var35 = 1; /* easy <var32:Int> isa OTHER*/
-if (!var35) {
-var_class_name38 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name38);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 263);
-show_backtrace(1);
+var77 = var_curr_id_self + var70;
+var71 = var77;
+goto RET_LABEL72;
+RET_LABEL72:(void)0;
 }
-var39 = var_n > var32;
-var33 = var39;
-goto RET_LABEL34;
-RET_LABEL34:(void)0;
 }
-var23 = var33;
-} else {
-var23 = var_;
+var_curr_id_self = var71;
+var78 = 1;
+{
+{ /* Inline kernel#Int#+ (var_curr_id_other,var78) on <var_curr_id_other:Int> */
+/* Covariant cast for argument 0 (i) <var78:Int> isa OTHER */
+/* <var78:Int> isa OTHER */
+var81 = 1; /* easy <var78:Int> isa OTHER*/
+if (unlikely(!var81)) {
+var_class_name84 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name84);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
 }
-if (!var23) break;
-{ /* Inline kernel#Int#% (var_n,var_base) */
-var42 = var_n % var_base;
-var40 = var42;
-goto RET_LABEL41;
-RET_LABEL41:(void)0;
+var85 = var_curr_id_other + var78;
+var79 = var85;
+goto RET_LABEL80;
+RET_LABEL80:(void)0;
 }
-var43 = kernel__Int__to_c(var40);
-var44 = BOX_kernel__Char(var43); /* autobox from Char to nullable Object */
-((void (*)(val*, long, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence___91d_93d_61d]))(var_s, var_pos, var44) /* []= on <var_s:Buffer>*/;
-{ /* Inline kernel#Int#/ (var_n,var_base) */
-var47 = var_n / var_base;
-var45 = var47;
-goto RET_LABEL46;
-RET_LABEL46:(void)0;
 }
-var_n = var45;
-var48 = 1;
-{ /* Inline kernel#Int#- (var_pos,var48) */
-var51 = var_pos - var48;
-var49 = var51;
-goto RET_LABEL50;
-RET_LABEL50:(void)0;
+var_curr_id_other = var79;
+} else {
+goto BREAK_label;
 }
-var_pos = var49;
-CONTINUE_label: (void)0;
 }
 BREAK_label: (void)0;
-RET_LABEL:;
-}
-/* method string#Int#fill_buffer for (self: Object, Buffer, Int, Bool) */
-void VIRTUAL_string__Int__fill_buffer(val* self, val* p0, long p1, short int p2) {
-long var /* : Int */;
-var = ((struct instance_kernel__Int*)self)->value; /* autounbox from Object to Int */;
-string__Int__fill_buffer(var, p0, p1, p2);
-RET_LABEL:;
+{
+{ /* Inline kernel#Int#< (var_my_length,var_its_length) on <var_my_length:Int> */
+/* Covariant cast for argument 0 (i) <var_its_length:Int> isa OTHER */
+/* <var_its_length:Int> isa OTHER */
+var88 = 1; /* easy <var_its_length:Int> isa OTHER*/
+if (unlikely(!var88)) {
+var_class_name91 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name91);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
 }
-/* method string#Int#native_int_to_s for (self: Int, Int): NativeString */
-char* string__Int__native_int_to_s(long self, long p0) {
-char* var /* : NativeString */;
-char* var1 /* : NativeString */;
-var1 = native_int_to_s(self, p0);
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+var92 = var_my_length < var_its_length;
+var86 = var92;
+goto RET_LABEL87;
+RET_LABEL87:(void)0;
 }
-/* method string#Int#native_int_to_s for (self: Object, Int): NativeString */
-char* VIRTUAL_string__Int__native_int_to_s(val* self, long p0) {
-char* var /* : NativeString */;
-char* var1 /* : NativeString */;
-long var2 /* : Int */;
-var2 = ((struct instance_kernel__Int*)self)->value; /* autounbox from Object to Int */;
-var1 = string__Int__native_int_to_s(var2, p0);
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#Int#to_s for (self: Int): String */
-val* string__Int__to_s(long self) {
-val* var /* : String */;
-long var1 /* : Int */;
-long var2 /* : Int */;
-long var_len /* var len: Int */;
-char* var3 /* : NativeString */;
-val* var4 /* : String */;
-var1 = 10;
-var2 = kernel__Int__digit_count(self, var1);
-var_len = var2;
-var3 = string__Int__native_int_to_s(self, var_len);
-var4 = string__NativeString__to_s_with_length(var3, var_len);
-var = var4;
+var = var86;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#Int#to_s for (self: Object): String */
-val* VIRTUAL_string__Int__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-long var2 /* : Int */;
-var2 = ((struct instance_kernel__Int*)self)->value; /* autounbox from Object to Int */;
-var1 = string__Int__to_s(var2);
+/* method string#FlatString#< for (self: Object, Comparable): Bool */
+short int VIRTUAL_string__FlatString___60d(val* self, val* p0) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+var1 = string__FlatString___60d(self, p0);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#Int#to_hex for (self: Int): String */
-val* string__Int__to_hex(long self) {
+/* method string#FlatString#+ for (self: FlatString, Text): String */
+val* string__FlatString___43d(val* self, val* p0) {
 val* var /* : String */;
+val* var_s /* var s: Text */;
 long var1 /* : Int */;
-short int var2 /* : Bool */;
-val* var3 /* : String */;
-var1 = 16;
-var2 = 0;
-var3 = string__Int__to_base(self, var1, var2);
-var = var3;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method string#Int#to_hex for (self: Object): String */
-val* VIRTUAL_string__Int__to_hex(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-long var2 /* : Int */;
-var2 = ((struct instance_kernel__Int*)self)->value; /* autounbox from Object to Int */;
-var1 = string__Int__to_hex(var2);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method string#Int#to_base for (self: Int, Int, Bool): String */
-val* string__Int__to_base(long self, long p0, short int p1) {
-val* var /* : String */;
-long var_base /* var base: Int */;
-short int var_signed /* var signed: Bool */;
-long var1 /* : Int */;
-long var_l /* var l: Int */;
-val* var2 /* : Buffer */;
-static val* varonce;
-val* var3 /* : String */;
-char* var4 /* : NativeString */;
-long var5 /* : Int */;
-val* var6 /* : String */;
-val* var7 /* : String */;
-val* var_s /* var s: Buffer */;
-val* var8 /* : String */;
-var_base = p0;
-var_signed = p1;
-var1 = kernel__Int__digit_count(self, var_base);
-var_l = var1;
-var2 = NEW_string__Buffer(&type_string__Buffer);
-if (varonce) {
-var3 = varonce;
-} else {
-var4 = " ";
-var5 = 1;
-var6 = string__NativeString__to_s_with_length(var4, var5);
-var3 = var6;
-varonce = var3;
-}
-var7 = ((val* (*)(val*, long))(var3->class->vft[COLOR_string__String___42d]))(var3, var_l) /* * on <var3:String>*/;
-((void (*)(val*, val*))(var2->class->vft[COLOR_string__Buffer__from]))(var2, var7) /* from on <var2:Buffer>*/;
-var_s = var2;
-string__Int__fill_buffer(self, var_s, var_base, var_signed);
-var8 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var8;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method string#Int#to_base for (self: Object, Int, Bool): String */
-val* VIRTUAL_string__Int__to_base(val* self, long p0, short int p1) {
-val* var /* : String */;
-val* var1 /* : String */;
-long var2 /* : Int */;
-var2 = ((struct instance_kernel__Int*)self)->value; /* autounbox from Object to Int */;
-var1 = string__Int__to_base(var2, p0, p1);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method string#Float#to_s for (self: Float): String */
-val* string__Float__to_s(double self) {
-val* var /* : String */;
-long var1 /* : Int */;
-val* var2 /* : String */;
-val* var_str /* var str: String */;
 long var3 /* : Int */;
-long var_len /* var len: Int */;
-val* var4 /* : Range[Int] */;
-long var5 /* : Int */;
+long var_my_length /* var my_length: Int */;
+long var4 /* : Int */;
 long var6 /* : Int */;
+long var_its_length /* var its_length: Int */;
 long var7 /* : Int */;
-long var9 /* : Int */;
-val* var10 /* : Discrete */;
-val* var11 /* : Discrete */;
-val* var12 /* : Iterator[nullable Object] */;
+short int var9 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var10 /* : Int */;
+long var_total_length /* var total_length: Int */;
+long var11 /* : Int */;
 short int var13 /* : Bool */;
-val* var14 /* : nullable Object */;
-long var_i /* var i: Int */;
-long var15 /* : Int */;
-long var16 /* : Int */;
+int cltype14;
+int idtype15;
+const char* var_class_name16;
 long var17 /* : Int */;
+long var18 /* : Int */;
 long var19 /* : Int */;
-long var20 /* : Int */;
-long var22 /* : Int */;
-long var_j /* var j: Int */;
-val* var23 /* : nullable Object */;
-char var24 /* : Char */;
-char var_c /* var c: Char */;
-char var25 /* : Char */;
-short int var26 /* : Bool */;
-short int var28 /* : Bool */;
-char var29 /* : Char */;
-short int var30 /* : Bool */;
-short int var32 /* : Bool */;
-long var33 /* : Int */;
+short int var21 /* : Bool */;
+int cltype22;
+int idtype23;
+const char* var_class_name24;
+long var25 /* : Int */;
+char* var26 /* : NativeString */;
+char* var28 /* : NativeString */;
+char* var_target_string /* var target_string: NativeString */;
+char* var29 /* : NativeString */;
+char* var31 /* : NativeString */;
+long var32 /* : Int */;
 long var34 /* : Int */;
 long var35 /* : Int */;
-long var37 /* : Int */;
-val* var38 /* : String */;
-long var39 /* : Int */;
-long var40 /* : Int */;
-long var41 /* : Int */;
+short int var37 /* : Bool */;
+int cltype38;
+int idtype39;
+char* var40 /* : NativeString */;
+char* var42 /* : NativeString */;
 long var43 /* : Int */;
-val* var44 /* : String */;
-var1 = 3;
-var2 = string__Float__to_precision(self, var1);
-var_str = var2;
-var3 = ((long (*)(val*))(var_str->class->vft[COLOR_abstract_collection__Collection__length]))(var_str) /* length on <var_str:String>*/;
-var_len = var3;
-var4 = NEW_range__Range(&type_range__Rangekernel__Int);
-var5 = 0;
-var6 = 1;
-{ /* Inline kernel#Int#- (var_len,var6) */
-var9 = var_len - var6;
-var7 = var9;
+long var45 /* : Int */;
+short int var47 /* : Bool */;
+int cltype48;
+int idtype49;
+char* var50 /* : NativeString */;
+char* var52 /* : NativeString */;
+long var53 /* : Int */;
+long var_curr_pos /* var curr_pos: Int */;
+long var55 /* : Int */;
+long var_i /* var i: Int */;
+long var56 /* : Int */;
+long var58 /* : Int */;
+long var_ /* var : Int */;
+short int var59 /* : Bool */;
+short int var61 /* : Bool */;
+int cltype62;
+int idtype63;
+const char* var_class_name64;
+short int var65 /* : Bool */;
+val* var66 /* : SequenceRead[Char] */;
+val* var67 /* : nullable Object */;
+char var68 /* : Char */;
+char var_c /* var c: Char */;
+long var70 /* : Int */;
+long var71 /* : Int */;
+short int var73 /* : Bool */;
+int cltype74;
+int idtype75;
+const char* var_class_name76;
+long var77 /* : Int */;
+long var78 /* : Int */;
+long var79 /* : Int */;
+char var80 /* : Char */;
+val* var82 /* : FlatString */;
+short int var83 /* : Bool */;
+int cltype84;
+int idtype85;
+const struct type* type_struct;
+const char* var_class_name86;
+var_s = p0;
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var3 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+var_my_length = var1;
+{
+{ /* Inline string#FlatText#length (var_s) on <var_s:Text> */
+var6 = var_s->attrs[COLOR_string__FlatText___length].l; /* _length on <var_s:Text> */
+var4 = var6;
+RET_LABEL5:(void)0;
+}
+}
+var_its_length = var4;
+{
+{ /* Inline kernel#Int#+ (var_my_length,var_its_length) on <var_my_length:Int> */
+/* Covariant cast for argument 0 (i) <var_its_length:Int> isa OTHER */
+/* <var_its_length:Int> isa OTHER */
+var9 = 1; /* easy <var_its_length:Int> isa OTHER*/
+if (unlikely(!var9)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var10 = var_my_length + var_its_length;
+var7 = var10;
 goto RET_LABEL8;
 RET_LABEL8:(void)0;
 }
-var10 = BOX_kernel__Int(var5); /* autobox from Int to Discrete */
-var11 = BOX_kernel__Int(var7); /* autobox from Int to Discrete */
-((void (*)(val*, val*, val*))(var4->class->vft[COLOR_range__Range__init]))(var4, var10, var11) /* init on <var4:Range[Int]>*/;
-var12 = ((val* (*)(val*))(var4->class->vft[COLOR_abstract_collection__Collection__iterator]))(var4) /* iterator on <var4:Range[Int]>*/;
-for(;;) {
-var13 = ((short int (*)(val*))(var12->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var12) /* is_ok on <var12:Iterator[nullable Object]>*/;
-if(!var13) break;
-var14 = ((val* (*)(val*))(var12->class->vft[COLOR_abstract_collection__Iterator__item]))(var12) /* item on <var12:Iterator[nullable Object]>*/;
-var15 = ((struct instance_kernel__Int*)var14)->value; /* autounbox from nullable Object to Int */;
-var_i = var15;
-var16 = 1;
-{ /* Inline kernel#Int#- (var_len,var16) */
-var19 = var_len - var16;
-var17 = var19;
-goto RET_LABEL18;
-RET_LABEL18:(void)0;
 }
-{ /* Inline kernel#Int#- (var17,var_i) */
-var22 = var17 - var_i;
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
+var_total_length = var7;
+{
+{ /* Inline kernel#Int#+ (var_my_length,var_its_length) on <var_my_length:Int> */
+/* Covariant cast for argument 0 (i) <var_its_length:Int> isa OTHER */
+/* <var_its_length:Int> isa OTHER */
+var13 = 1; /* easy <var_its_length:Int> isa OTHER*/
+if (unlikely(!var13)) {
+var_class_name16 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var17 = var_my_length + var_its_length;
+var11 = var17;
+goto RET_LABEL12;
+RET_LABEL12:(void)0;
+}
+}
+var18 = 1;
+{
+{ /* Inline kernel#Int#+ (var11,var18) on <var11:Int> */
+/* Covariant cast for argument 0 (i) <var18:Int> isa OTHER */
+/* <var18:Int> isa OTHER */
+var21 = 1; /* easy <var18:Int> isa OTHER*/
+if (unlikely(!var21)) {
+var_class_name24 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name24);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var25 = var11 + var18;
+var19 = var25;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
+}
 }
-var_j = var20;
-var23 = ((val* (*)(val*, long))(var_str->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var_str, var_j) /* [] on <var_str:String>*/;
-var24 = ((struct instance_kernel__Char*)var23)->value; /* autounbox from nullable Object to Char */;
-var_c = var24;
-var25 = '0';
-{ /* Inline kernel#Char#== (var_c,var25) */
-var28 = var_c == var25;
+{
+{ /* Inline string#StringCapable#calloc_string (self,var19) on <self:FlatString> */
+var28 = (char*)nit_alloc(var19);
 var26 = var28;
 goto RET_LABEL27;
 RET_LABEL27:(void)0;
 }
-if (var26){
-goto CONTINUE_label;
-} else {
-var29 = '.';
-{ /* Inline kernel#Char#== (var_c,var29) */
-var32 = var_c == var29;
-var30 = var32;
-goto RET_LABEL31;
-RET_LABEL31:(void)0;
 }
-if (var30){
-var33 = 0;
-var34 = 2;
-{ /* Inline kernel#Int#+ (var_j,var34) */
-var37 = var_j + var34;
-var35 = var37;
-goto RET_LABEL36;
+var_target_string = var26;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatString> */
+var31 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatString> */
+var29 = var31;
+RET_LABEL30:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_from (self) on <self:FlatString> */
+var34 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:FlatString> */
+var32 = var34;
+RET_LABEL33:(void)0;
+}
+}
+var35 = 0;
+{
+{ /* Inline string#NativeString#copy_to (var29,var_target_string,var_my_length,var32,var35) on <var29:NativeString> */
+memmove(var_target_string+var35,var29+var32,var_my_length);
 RET_LABEL36:(void)0;
 }
-var38 = ((val* (*)(val*, long, long))(var_str->class->vft[COLOR_string__AbstractString__substring]))(var_str, var33, var35) /* substring on <var_str:String>*/;
-var = var38;
-goto RET_LABEL;
+}
+/* <var_s:Text> isa FlatString */
+cltype38 = type_string__FlatString.color;
+idtype39 = type_string__FlatString.id;
+if(cltype38 >= var_s->type->table_size) {
+var37 = 0;
 } else {
-var39 = 0;
-var40 = 1;
-{ /* Inline kernel#Int#+ (var_j,var40) */
-var43 = var_j + var40;
-var41 = var43;
-goto RET_LABEL42;
-RET_LABEL42:(void)0;
+var37 = var_s->type->type_table[cltype38] == idtype39;
 }
-var44 = ((val* (*)(val*, long, long))(var_str->class->vft[COLOR_string__AbstractString__substring]))(var_str, var39, var41) /* substring on <var_str:String>*/;
-var = var44;
-goto RET_LABEL;
+if (var37){
+{
+{ /* Inline string#FlatText#items (var_s) on <var_s:Text(FlatString)> */
+var42 = var_s->attrs[COLOR_string__FlatText___items].str; /* _items on <var_s:Text(FlatString)> */
+var40 = var42;
+RET_LABEL41:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_from (var_s) on <var_s:Text(FlatString)> */
+var45 = var_s->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <var_s:Text(FlatString)> */
+var43 = var45;
+RET_LABEL44:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#copy_to (var40,var_target_string,var_its_length,var43,var_my_length) on <var40:NativeString> */
+memmove(var_target_string+var_my_length,var40+var43,var_its_length);
+RET_LABEL46:(void)0;
+}
+}
+} else {
+/* <var_s:Text> isa FlatBuffer */
+cltype48 = type_string__FlatBuffer.color;
+idtype49 = type_string__FlatBuffer.id;
+if(cltype48 >= var_s->type->table_size) {
+var47 = 0;
+} else {
+var47 = var_s->type->type_table[cltype48] == idtype49;
+}
+if (var47){
+{
+{ /* Inline string#FlatText#items (var_s) on <var_s:Text(FlatBuffer)> */
+var52 = var_s->attrs[COLOR_string__FlatText___items].str; /* _items on <var_s:Text(FlatBuffer)> */
+var50 = var52;
+RET_LABEL51:(void)0;
+}
+}
+var53 = 0;
+{
+{ /* Inline string#NativeString#copy_to (var50,var_target_string,var_its_length,var53,var_my_length) on <var50:NativeString> */
+memmove(var_target_string+var_my_length,var50+var53,var_its_length);
+RET_LABEL54:(void)0;
+}
+}
+} else {
+var_curr_pos = var_my_length;
+var55 = 0;
+var_i = var55;
+{
+{ /* Inline string#FlatText#length (var_s) on <var_s:Text> */
+var58 = var_s->attrs[COLOR_string__FlatText___length].l; /* _length on <var_s:Text> */
+var56 = var58;
+RET_LABEL57:(void)0;
+}
+}
+var_ = var56;
+for(;;) {
+{
+{ /* Inline kernel#Int#< (var_i,var_) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var61 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var61)) {
+var_class_name64 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name64);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var65 = var_i < var_;
+var59 = var65;
+goto RET_LABEL60;
+RET_LABEL60:(void)0;
+}
+}
+if (var59){
+{
+var66 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Text__chars]))(var_s) /* chars on <var_s:Text>*/;
+}
+{
+var67 = ((val* (*)(val*, long))(var66->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var66, var_i) /* [] on <var66:SequenceRead[Char]>*/;
+}
+var68 = ((struct instance_kernel__Char*)var67)->value; /* autounbox from nullable Object to Char */;
+var_c = var68;
+{
+{ /* Inline string#NativeString#[]= (var_target_string,var_curr_pos,var_c) on <var_target_string:NativeString> */
+var_target_string[var_curr_pos]=var_c;
+RET_LABEL69:(void)0;
+}
+}
+var70 = 1;
+{
+{ /* Inline kernel#Int#+ (var_curr_pos,var70) on <var_curr_pos:Int> */
+/* Covariant cast for argument 0 (i) <var70:Int> isa OTHER */
+/* <var70:Int> isa OTHER */
+var73 = 1; /* easy <var70:Int> isa OTHER*/
+if (unlikely(!var73)) {
+var_class_name76 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name76);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var77 = var_curr_pos + var70;
+var71 = var77;
+goto RET_LABEL72;
+RET_LABEL72:(void)0;
+}
+}
+var_curr_pos = var71;
+var78 = 1;
+{
+var79 = kernel__Int__successor(var_i, var78);
 }
+var_i = var79;
+} else {
+goto BREAK_label;
 }
-CONTINUE_label: (void)0;
-((void (*)(val*))(var12->class->vft[COLOR_abstract_collection__Iterator__next]))(var12) /* next on <var12:Iterator[nullable Object]>*/;
 }
 BREAK_label: (void)0;
-var = var_str;
+}
+}
+var80 = '\0';
+{
+{ /* Inline string#NativeString#[]= (var_target_string,var_total_length,var80) on <var_target_string:NativeString> */
+var_target_string[var_total_length]=var80;
+RET_LABEL81:(void)0;
+}
+}
+{
+var82 = string__NativeString__to_s_with_length(var_target_string, var_total_length);
+}
+/* <var82:FlatString> isa SELFTYPE */
+type_struct = self->type->resolution_table->types[COLOR_string__Text_VTSELFTYPE];
+cltype84 = type_struct->color;
+idtype85 = type_struct->id;
+if(cltype84 >= var82->type->table_size) {
+var83 = 0;
+} else {
+var83 = var82->type->type_table[cltype84] == idtype85;
+}
+if (unlikely(!var83)) {
+var_class_name86 = var82 == NULL ? "null" : var82->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name86);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1155);
+show_backtrace(1);
+}
+var = var82;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#Float#to_s for (self: Object): String */
-val* VIRTUAL_string__Float__to_s(val* self) {
+/* method string#FlatString#+ for (self: Object, Text): String */
+val* VIRTUAL_string__FlatString___43d(val* self, val* p0) {
 val* var /* : String */;
 val* var1 /* : String */;
-double var2 /* : Float */;
-var2 = ((struct instance_kernel__Float*)self)->value; /* autounbox from Object to Float */;
-var1 = string__Float__to_s(var2);
+var1 = string__FlatString___43d(self, p0);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#Float#to_precision for (self: Float, Int): String */
-val* string__Float__to_precision(double self, long p0) {
+/* method string#FlatString#* for (self: FlatString, Int): String */
+val* string__FlatString___42d(val* self, long p0) {
 val* var /* : String */;
-long var_nb /* var nb: Int */;
+long var_i /* var i: Int */;
 long var1 /* : Int */;
 short int var2 /* : Bool */;
 short int var4 /* : Bool */;
-long var5 /* : Int */;
-long var7 /* : Int */;
-val* var8 /* : String */;
-double var_f /* var f: Float */;
-val* var9 /* : Range[Int] */;
-long var10 /* : Int */;
-val* var11 /* : Discrete */;
-val* var12 /* : Discrete */;
-val* var13 /* : Iterator[nullable Object] */;
-short int var14 /* : Bool */;
-val* var15 /* : nullable Object */;
-long var_i /* var i: Int */;
-long var16 /* : Int */;
-double var17 /* : Float */;
-double var18 /* : Float */;
-double var20 /* : Float */;
-double var21 /* : Float */;
-short int var22 /* : Bool */;
-short int var24 /* : Bool */;
-double var25 /* : Float */;
-double var26 /* : Float */;
-double var28 /* : Float */;
-double var29 /* : Float */;
-double var30 /* : Float */;
-double var32 /* : Float */;
-long var33 /* : Int */;
-long var35 /* : Int */;
-long var_i36 /* var i: Int */;
-long var37 /* : Int */;
-short int var38 /* : Bool */;
-short int var40 /* : Bool */;
-static val* varonce;
-val* var41 /* : String */;
-char* var42 /* : NativeString */;
-long var43 /* : Int */;
-val* var44 /* : String */;
-val* var45 /* : String */;
-val* var_s /* var s: String */;
-long var46 /* : Int */;
-long var_sl /* var sl: Int */;
-short int var47 /* : Bool */;
-short int var49 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var50 /* : Bool */;
-long var51 /* : Int */;
-long var52 /* : Int */;
-long var53 /* : Int */;
-long var55 /* : Int */;
-val* var56 /* : String */;
-val* var_p1 /* var p1: String */;
-long var57 /* : Int */;
-long var58 /* : Int */;
-long var60 /* : Int */;
-val* var61 /* : String */;
-val* var_p2 /* var p2: String */;
-static val* varonce62;
-val* var63 /* : String */;
-char* var64 /* : NativeString */;
-long var65 /* : Int */;
-val* var66 /* : String */;
-val* var67 /* : String */;
-val* var68 /* : String */;
-static val* varonce69;
-val* var70 /* : String */;
-char* var71 /* : NativeString */;
-long var72 /* : Int */;
-val* var73 /* : String */;
-static val* varonce74;
-val* var75 /* : String */;
-char* var76 /* : NativeString */;
-long var77 /* : Int */;
-val* var78 /* : String */;
-long var79 /* : Int */;
-long var81 /* : Int */;
-val* var82 /* : String */;
-val* var83 /* : String */;
-val* var84 /* : String */;
-var_nb = p0;
+short int var5 /* : Bool */;
+long var6 /* : Int */;
+long var8 /* : Int */;
+long var_my_length /* var my_length: Int */;
+long var9 /* : Int */;
+short int var11 /* : Bool */;
+int cltype12;
+int idtype13;
+const char* var_class_name14;
+long var15 /* : Int */;
+long var_final_length /* var final_length: Int */;
+char* var16 /* : NativeString */;
+char* var18 /* : NativeString */;
+char* var_my_items /* var my_items: NativeString */;
+long var19 /* : Int */;
+long var20 /* : Int */;
+short int var22 /* : Bool */;
+int cltype23;
+int idtype24;
+const char* var_class_name25;
+long var26 /* : Int */;
+char* var27 /* : NativeString */;
+char* var29 /* : NativeString */;
+char* var_target_string /* var target_string: NativeString */;
+char var30 /* : Char */;
+long var32 /* : Int */;
+long var_current_last /* var current_last: Int */;
+long var33 /* : Int */;
+long var_iteration /* var iteration: Int */;
+long var_ /* var : Int */;
+short int var34 /* : Bool */;
+short int var36 /* : Bool */;
+int cltype37;
+int idtype38;
+const char* var_class_name39;
+short int var40 /* : Bool */;
+long var41 /* : Int */;
+long var43 /* : Int */;
+short int var45 /* : Bool */;
+int cltype46;
+int idtype47;
+const char* var_class_name48;
+long var49 /* : Int */;
+long var50 /* : Int */;
+long var51 /* : Int */;
+val* var52 /* : FlatString */;
+short int var53 /* : Bool */;
+int cltype54;
+int idtype55;
+const struct type* type_struct;
+const char* var_class_name56;
+var_i = p0;
 var1 = 0;
-{ /* Inline kernel#Int#== (var_nb,var1) */
-var4 = var_nb == var1;
-var2 = var4;
+{
+{ /* Inline kernel#Int#>= (var_i,var1) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
+/* <var1:Int> isa OTHER */
+var4 = 1; /* easy <var1:Int> isa OTHER*/
+if (unlikely(!var4)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 372);
+show_backtrace(1);
+}
+var5 = var_i >= var1;
+var2 = var5;
 goto RET_LABEL3;
 RET_LABEL3:(void)0;
 }
-if (var2){
-{ /* Inline kernel#Float#to_i (self) */
-var7 = (long)self;
-var5 = var7;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
 }
-var8 = string__Int__to_s(var5);
-var = var8;
+if (unlikely(!var2)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1160);
+show_backtrace(1);
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatString> */
+var8 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatString> */
+var6 = var8;
+RET_LABEL7:(void)0;
+}
+}
+var_my_length = var6;
+{
+{ /* Inline kernel#Int#* (var_my_length,var_i) on <var_my_length:Int> */
+/* Covariant cast for argument 0 (i) <var_i:Int> isa OTHER */
+/* <var_i:Int> isa OTHER */
+var11 = 1; /* easy <var_i:Int> isa OTHER*/
+if (unlikely(!var11)) {
+var_class_name14 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name14);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 378);
+show_backtrace(1);
+}
+var15 = var_my_length * var_i;
+var9 = var15;
+goto RET_LABEL10;
+RET_LABEL10:(void)0;
+}
+}
+var_final_length = var9;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatString> */
+var18 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatString> */
+var16 = var18;
+RET_LABEL17:(void)0;
+}
+}
+var_my_items = var16;
+var19 = 1;
+{
+{ /* Inline kernel#Int#+ (var_final_length,var19) on <var_final_length:Int> */
+/* Covariant cast for argument 0 (i) <var19:Int> isa OTHER */
+/* <var19:Int> isa OTHER */
+var22 = 1; /* easy <var19:Int> isa OTHER*/
+if (unlikely(!var22)) {
+var_class_name25 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name25);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var26 = var_final_length + var19;
+var20 = var26;
+goto RET_LABEL21;
+RET_LABEL21:(void)0;
+}
+}
+{
+{ /* Inline string#StringCapable#calloc_string (self,var20) on <self:FlatString> */
+var29 = (char*)nit_alloc(var20);
+var27 = var29;
+goto RET_LABEL28;
+RET_LABEL28:(void)0;
+}
+}
+var_target_string = var27;
+var30 = '\0';
+{
+{ /* Inline string#NativeString#[]= (var_target_string,var_final_length,var30) on <var_target_string:NativeString> */
+var_target_string[var_final_length]=var30;
+RET_LABEL31:(void)0;
+}
+}
+var32 = 0;
+var_current_last = var32;
+var33 = 1;
+var_iteration = var33;
+var_ = var_i;
+for(;;) {
+{
+{ /* Inline kernel#Int#<= (var_iteration,var_) on <var_iteration:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var36 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var36)) {
+var_class_name39 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name39);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 370);
+show_backtrace(1);
+}
+var40 = var_iteration <= var_;
+var34 = var40;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
+}
+}
+if (var34){
+var41 = 0;
+{
+{ /* Inline string#NativeString#copy_to (var_my_items,var_target_string,var_my_length,var41,var_current_last) on <var_my_items:NativeString> */
+memmove(var_target_string+var_current_last,var_my_items+var41,var_my_length);
+RET_LABEL42:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var_current_last,var_my_length) on <var_current_last:Int> */
+/* Covariant cast for argument 0 (i) <var_my_length:Int> isa OTHER */
+/* <var_my_length:Int> isa OTHER */
+var45 = 1; /* easy <var_my_length:Int> isa OTHER*/
+if (unlikely(!var45)) {
+var_class_name48 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name48);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var49 = var_current_last + var_my_length;
+var43 = var49;
+goto RET_LABEL44;
+RET_LABEL44:(void)0;
+}
+}
+var_current_last = var43;
+var50 = 1;
+{
+var51 = kernel__Int__successor(var_iteration, var50);
+}
+var_iteration = var51;
+} else {
+goto BREAK_label;
+}
+}
+BREAK_label: (void)0;
+{
+var52 = string__NativeString__to_s_with_length(var_target_string, var_final_length);
+}
+/* <var52:FlatString> isa SELFTYPE */
+type_struct = self->type->resolution_table->types[COLOR_string__Text_VTSELFTYPE];
+cltype54 = type_struct->color;
+idtype55 = type_struct->id;
+if(cltype54 >= var52->type->table_size) {
+var53 = 0;
+} else {
+var53 = var52->type->type_table[cltype54] == idtype55;
+}
+if (unlikely(!var53)) {
+var_class_name56 = var52 == NULL ? "null" : var52->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name56);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1179);
+show_backtrace(1);
+}
+var = var52;
 goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatString#* for (self: Object, Int): String */
+val* VIRTUAL_string__FlatString___42d(val* self, long p0) {
+val* var /* : String */;
+val* var1 /* : String */;
+var1 = string__FlatString___42d(self, p0);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatString#hash for (self: FlatString): Int */
+long string__FlatString__hash(val* self) {
+long var /* : Int */;
+val* var1 /* : nullable Int */;
+val* var3 /* : nullable Int */;
+val* var4 /* : null */;
+short int var5 /* : Bool */;
+short int var6 /* : Bool */;
+short int var8 /* : Bool */;
+long var9 /* : Int */;
+long var_h /* var h: Int */;
+long var10 /* : Int */;
+long var12 /* : Int */;
+long var_i /* var i: Int */;
+char* var13 /* : NativeString */;
+char* var15 /* : NativeString */;
+char* var_myitems /* var myitems: NativeString */;
+long var16 /* : Int */;
+long var18 /* : Int */;
+short int var19 /* : Bool */;
+short int var21 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+short int var22 /* : Bool */;
+long var23 /* : Int */;
+long var24 /* : Int */;
+long var26 /* : Int */;
+long var27 /* : Int */;
+short int var29 /* : Bool */;
+int cltype30;
+int idtype31;
+const char* var_class_name32;
+long var33 /* : Int */;
+char var34 /* : Char */;
+char var36 /* : Char */;
+long var37 /* : Int */;
+long var39 /* : Int */;
+long var40 /* : Int */;
+short int var42 /* : Bool */;
+int cltype43;
+int idtype44;
+const char* var_class_name45;
+long var46 /* : Int */;
+long var47 /* : Int */;
+long var48 /* : Int */;
+short int var50 /* : Bool */;
+int cltype51;
+int idtype52;
+const char* var_class_name53;
+long var54 /* : Int */;
+val* var56 /* : nullable Int */;
+val* var57 /* : nullable Int */;
+val* var59 /* : nullable Int */;
+long var60 /* : Int */;
+{
+{ /* Inline string#Text#hash_cache (self) on <self:FlatString> */
+var3 = self->attrs[COLOR_string__Text___hash_cache].val; /* _hash_cache on <self:FlatString> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+var4 = NULL;
+if (var1 == NULL) {
+var5 = 1; /* is null */
 } else {
+var5 = 0; /* arg is null but recv is not */
 }
-var_f = self;
-var9 = NEW_range__Range(&type_range__Rangekernel__Int);
-var10 = 0;
-var11 = BOX_kernel__Int(var10); /* autobox from Int to Discrete */
-var12 = BOX_kernel__Int(var_nb); /* autobox from Int to Discrete */
-((void (*)(val*, val*, val*))(var9->class->vft[COLOR_range__Range__without_last]))(var9, var11, var12) /* without_last on <var9:Range[Int]>*/;
-var13 = ((val* (*)(val*))(var9->class->vft[COLOR_abstract_collection__Collection__iterator]))(var9) /* iterator on <var9:Range[Int]>*/;
+if (0) {
+{ /* Inline kernel#Int#== (var1,var4) on <var1:nullable Int> */
+var8 = 0; /* incompatible types Int vs. null; cannot be NULL */
+var6 = var8;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
+}
+var5 = var6;
+}
+if (var5){
+var9 = 5381;
+var_h = var9;
+{
+{ /* Inline string#FlatString#index_from (self) on <self:FlatString> */
+var12 = self->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <self:FlatString> */
+var10 = var12;
+RET_LABEL11:(void)0;
+}
+}
+var_i = var10;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatString> */
+var15 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatString> */
+var13 = var15;
+RET_LABEL14:(void)0;
+}
+}
+var_myitems = var13;
+for(;;) {
+{
+{ /* Inline string#FlatString#index_to (self) on <self:FlatString> */
+var18 = self->attrs[COLOR_string__FlatString___index_to].l; /* _index_to on <self:FlatString> */
+var16 = var18;
+RET_LABEL17:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#<= (var_i,var16) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var16:Int> isa OTHER */
+/* <var16:Int> isa OTHER */
+var21 = 1; /* easy <var16:Int> isa OTHER*/
+if (unlikely(!var21)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 370);
+show_backtrace(1);
+}
+var22 = var_i <= var16;
+var19 = var22;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
+}
+}
+if (var19){
+var23 = 5;
+{
+{ /* Inline kernel#Int#lshift (var_h,var23) on <var_h:Int> */
+var26 = var_h << var23;
+var24 = var26;
+goto RET_LABEL25;
+RET_LABEL25:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var24,var_h) on <var24:Int> */
+/* Covariant cast for argument 0 (i) <var_h:Int> isa OTHER */
+/* <var_h:Int> isa OTHER */
+var29 = 1; /* easy <var_h:Int> isa OTHER*/
+if (unlikely(!var29)) {
+var_class_name32 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name32);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var33 = var24 + var_h;
+var27 = var33;
+goto RET_LABEL28;
+RET_LABEL28:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#[] (var_myitems,var_i) on <var_myitems:NativeString> */
+var36 = var_myitems[var_i];
+var34 = var36;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
+}
+}
+{
+{ /* Inline kernel#Char#ascii (var34) on <var34:Char> */
+var39 = (unsigned char)var34;
+var37 = var39;
+goto RET_LABEL38;
+RET_LABEL38:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var27,var37) on <var27:Int> */
+/* Covariant cast for argument 0 (i) <var37:Int> isa OTHER */
+/* <var37:Int> isa OTHER */
+var42 = 1; /* easy <var37:Int> isa OTHER*/
+if (unlikely(!var42)) {
+var_class_name45 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name45);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var46 = var27 + var37;
+var40 = var46;
+goto RET_LABEL41;
+RET_LABEL41:(void)0;
+}
+}
+var_h = var40;
+var47 = 1;
+{
+{ /* Inline kernel#Int#+ (var_i,var47) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var47:Int> isa OTHER */
+/* <var47:Int> isa OTHER */
+var50 = 1; /* easy <var47:Int> isa OTHER*/
+if (unlikely(!var50)) {
+var_class_name53 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name53);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var54 = var_i + var47;
+var48 = var54;
+goto RET_LABEL49;
+RET_LABEL49:(void)0;
+}
+}
+var_i = var48;
+} else {
+goto BREAK_label;
+}
+}
+BREAK_label: (void)0;
+{
+{ /* Inline string#Text#hash_cache= (self,var_h) on <self:FlatString> */
+var56 = BOX_kernel__Int(var_h); /* autobox from Int to nullable Int */
+self->attrs[COLOR_string__Text___hash_cache].val = var56; /* _hash_cache on <self:FlatString> */
+RET_LABEL55:(void)0;
+}
+}
+} else {
+}
+{
+{ /* Inline string#Text#hash_cache (self) on <self:FlatString> */
+var59 = self->attrs[COLOR_string__Text___hash_cache].val; /* _hash_cache on <self:FlatString> */
+var57 = var59;
+RET_LABEL58:(void)0;
+}
+}
+if (unlikely(var57 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1199);
+show_backtrace(1);
+}
+var60 = ((struct instance_kernel__Int*)var57)->value; /* autounbox from nullable Int to Int */;
+var = var60;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatString#hash for (self: Object): Int */
+long VIRTUAL_string__FlatString__hash(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+var1 = string__FlatString__hash(self);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatString#substrings for (self: FlatString): Iterator[Text] */
+val* string__FlatString__substrings(val* self) {
+val* var /* : Iterator[Text] */;
+val* var1 /* : FlatSubstringsIter */;
+var1 = NEW_string__FlatSubstringsIter(&type_string__FlatSubstringsIter);
+{
+string__FlatSubstringsIter__init(var1, self); /* Direct call string#FlatSubstringsIter#init on <var1:FlatSubstringsIter>*/
+}
+var = var1;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatString#substrings for (self: Object): Iterator[Text] */
+val* VIRTUAL_string__FlatString__substrings(val* self) {
+val* var /* : Iterator[Text] */;
+val* var1 /* : Iterator[Text] */;
+var1 = string__FlatString__substrings(self);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#target for (self: FlatStringIterator): FlatString */
+val* string__FlatStringIterator__target(val* self) {
+val* var /* : FlatString */;
+val* var1 /* : FlatString */;
+var1 = self->attrs[COLOR_string__FlatStringIterator___target].val; /* _target on <self:FlatStringIterator> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1234);
+show_backtrace(1);
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#target for (self: Object): FlatString */
+val* VIRTUAL_string__FlatStringIterator__target(val* self) {
+val* var /* : FlatString */;
+val* var1 /* : FlatString */;
+val* var3 /* : FlatString */;
+{ /* Inline string#FlatStringIterator#target (self) on <self:Object(FlatStringIterator)> */
+var3 = self->attrs[COLOR_string__FlatStringIterator___target].val; /* _target on <self:Object(FlatStringIterator)> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1234);
+show_backtrace(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#target= for (self: FlatStringIterator, FlatString) */
+void string__FlatStringIterator__target_61d(val* self, val* p0) {
+self->attrs[COLOR_string__FlatStringIterator___target].val = p0; /* _target on <self:FlatStringIterator> */
+RET_LABEL:;
+}
+/* method string#FlatStringIterator#target= for (self: Object, FlatString) */
+void VIRTUAL_string__FlatStringIterator__target_61d(val* self, val* p0) {
+{ /* Inline string#FlatStringIterator#target= (self,p0) on <self:Object(FlatStringIterator)> */
+self->attrs[COLOR_string__FlatStringIterator___target].val = p0; /* _target on <self:Object(FlatStringIterator)> */
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#FlatStringIterator#target_items for (self: FlatStringIterator): NativeString */
+char* string__FlatStringIterator__target_items(val* self) {
+char* var /* : NativeString */;
+char* var1 /* : NativeString */;
+var1 = self->attrs[COLOR_string__FlatStringIterator___target_items].str; /* _target_items on <self:FlatStringIterator> */
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#target_items for (self: Object): NativeString */
+char* VIRTUAL_string__FlatStringIterator__target_items(val* self) {
+char* var /* : NativeString */;
+char* var1 /* : NativeString */;
+char* var3 /* : NativeString */;
+{ /* Inline string#FlatStringIterator#target_items (self) on <self:Object(FlatStringIterator)> */
+var3 = self->attrs[COLOR_string__FlatStringIterator___target_items].str; /* _target_items on <self:Object(FlatStringIterator)> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#target_items= for (self: FlatStringIterator, NativeString) */
+void string__FlatStringIterator__target_items_61d(val* self, char* p0) {
+self->attrs[COLOR_string__FlatStringIterator___target_items].str = p0; /* _target_items on <self:FlatStringIterator> */
+RET_LABEL:;
+}
+/* method string#FlatStringIterator#target_items= for (self: Object, NativeString) */
+void VIRTUAL_string__FlatStringIterator__target_items_61d(val* self, char* p0) {
+{ /* Inline string#FlatStringIterator#target_items= (self,p0) on <self:Object(FlatStringIterator)> */
+self->attrs[COLOR_string__FlatStringIterator___target_items].str = p0; /* _target_items on <self:Object(FlatStringIterator)> */
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#FlatStringIterator#curr_pos for (self: FlatStringIterator): Int */
+long string__FlatStringIterator__curr_pos(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+var1 = self->attrs[COLOR_string__FlatStringIterator___curr_pos].l; /* _curr_pos on <self:FlatStringIterator> */
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#curr_pos for (self: Object): Int */
+long VIRTUAL_string__FlatStringIterator__curr_pos(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+long var3 /* : Int */;
+{ /* Inline string#FlatStringIterator#curr_pos (self) on <self:Object(FlatStringIterator)> */
+var3 = self->attrs[COLOR_string__FlatStringIterator___curr_pos].l; /* _curr_pos on <self:Object(FlatStringIterator)> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#curr_pos= for (self: FlatStringIterator, Int) */
+void string__FlatStringIterator__curr_pos_61d(val* self, long p0) {
+self->attrs[COLOR_string__FlatStringIterator___curr_pos].l = p0; /* _curr_pos on <self:FlatStringIterator> */
+RET_LABEL:;
+}
+/* method string#FlatStringIterator#curr_pos= for (self: Object, Int) */
+void VIRTUAL_string__FlatStringIterator__curr_pos_61d(val* self, long p0) {
+{ /* Inline string#FlatStringIterator#curr_pos= (self,p0) on <self:Object(FlatStringIterator)> */
+self->attrs[COLOR_string__FlatStringIterator___curr_pos].l = p0; /* _curr_pos on <self:Object(FlatStringIterator)> */
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#FlatStringIterator#with_pos for (self: FlatStringIterator, FlatString, Int) */
+void string__FlatStringIterator__with_pos(val* self, val* p0, long p1) {
+val* var_tgt /* var tgt: FlatString */;
+long var_pos /* var pos: Int */;
+char* var /* : NativeString */;
+char* var3 /* : NativeString */;
+val* var5 /* : FlatString */;
+val* var7 /* : FlatString */;
+long var8 /* : Int */;
+long var10 /* : Int */;
+long var11 /* : Int */;
+short int var13 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var14 /* : Int */;
+var_tgt = p0;
+var_pos = p1;
+{
+{ /* Inline string#FlatStringIterator#target= (self,var_tgt) on <self:FlatStringIterator> */
+self->attrs[COLOR_string__FlatStringIterator___target].val = var_tgt; /* _target on <self:FlatStringIterator> */
+RET_LABEL1:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#items (var_tgt) on <var_tgt:FlatString> */
+var3 = var_tgt->attrs[COLOR_string__FlatText___items].str; /* _items on <var_tgt:FlatString> */
+var = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline string#FlatStringIterator#target_items= (self,var) on <self:FlatStringIterator> */
+self->attrs[COLOR_string__FlatStringIterator___target_items].str = var; /* _target_items on <self:FlatStringIterator> */
+RET_LABEL4:(void)0;
+}
+}
+{
+{ /* Inline string#FlatStringIterator#target (self) on <self:FlatStringIterator> */
+var7 = self->attrs[COLOR_string__FlatStringIterator___target].val; /* _target on <self:FlatStringIterator> */
+if (unlikely(var7 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1234);
+show_backtrace(1);
+}
+var5 = var7;
+RET_LABEL6:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_from (var5) on <var5:FlatString> */
+var10 = var5->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <var5:FlatString> */
+var8 = var10;
+RET_LABEL9:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var_pos,var8) on <var_pos:Int> */
+/* Covariant cast for argument 0 (i) <var8:Int> isa OTHER */
+/* <var8:Int> isa OTHER */
+var13 = 1; /* easy <var8:Int> isa OTHER*/
+if (unlikely(!var13)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var14 = var_pos + var8;
+var11 = var14;
+goto RET_LABEL12;
+RET_LABEL12:(void)0;
+}
+}
+{
+{ /* Inline string#FlatStringIterator#curr_pos= (self,var11) on <self:FlatStringIterator> */
+self->attrs[COLOR_string__FlatStringIterator___curr_pos].l = var11; /* _curr_pos on <self:FlatStringIterator> */
+RET_LABEL15:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method string#FlatStringIterator#with_pos for (self: Object, FlatString, Int) */
+void VIRTUAL_string__FlatStringIterator__with_pos(val* self, val* p0, long p1) {
+string__FlatStringIterator__with_pos(self, p0, p1); /* Direct call string#FlatStringIterator#with_pos on <self:Object(FlatStringIterator)>*/
+RET_LABEL:;
+}
+/* method string#FlatStringIterator#is_ok for (self: FlatStringIterator): Bool */
+short int string__FlatStringIterator__is_ok(val* self) {
+short int var /* : Bool */;
+long var1 /* : Int */;
+long var3 /* : Int */;
+val* var4 /* : FlatString */;
+val* var6 /* : FlatString */;
+long var7 /* : Int */;
+long var9 /* : Int */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+short int var13 /* : Bool */;
+{
+{ /* Inline string#FlatStringIterator#curr_pos (self) on <self:FlatStringIterator> */
+var3 = self->attrs[COLOR_string__FlatStringIterator___curr_pos].l; /* _curr_pos on <self:FlatStringIterator> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline string#FlatStringIterator#target (self) on <self:FlatStringIterator> */
+var6 = self->attrs[COLOR_string__FlatStringIterator___target].val; /* _target on <self:FlatStringIterator> */
+if (unlikely(var6 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1234);
+show_backtrace(1);
+}
+var4 = var6;
+RET_LABEL5:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_to (var4) on <var4:FlatString> */
+var9 = var4->attrs[COLOR_string__FlatString___index_to].l; /* _index_to on <var4:FlatString> */
+var7 = var9;
+RET_LABEL8:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#<= (var1,var7) on <var1:Int> */
+/* Covariant cast for argument 0 (i) <var7:Int> isa OTHER */
+/* <var7:Int> isa OTHER */
+var12 = 1; /* easy <var7:Int> isa OTHER*/
+if (unlikely(!var12)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 370);
+show_backtrace(1);
+}
+var13 = var1 <= var7;
+var10 = var13;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
+}
+}
+var = var10;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#is_ok for (self: Object): Bool */
+short int VIRTUAL_string__FlatStringIterator__is_ok(val* self) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+var1 = string__FlatStringIterator__is_ok(self);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#item for (self: FlatStringIterator): Char */
+char string__FlatStringIterator__item(val* self) {
+char var /* : Char */;
+char* var1 /* : NativeString */;
+char* var3 /* : NativeString */;
+long var4 /* : Int */;
+long var6 /* : Int */;
+char var7 /* : Char */;
+char var9 /* : Char */;
+{
+{ /* Inline string#FlatStringIterator#target_items (self) on <self:FlatStringIterator> */
+var3 = self->attrs[COLOR_string__FlatStringIterator___target_items].str; /* _target_items on <self:FlatStringIterator> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline string#FlatStringIterator#curr_pos (self) on <self:FlatStringIterator> */
+var6 = self->attrs[COLOR_string__FlatStringIterator___curr_pos].l; /* _curr_pos on <self:FlatStringIterator> */
+var4 = var6;
+RET_LABEL5:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#[] (var1,var4) on <var1:NativeString> */
+var9 = var1[var4];
+var7 = var9;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
+}
+}
+var = var7;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#item for (self: Object): nullable Object */
+val* VIRTUAL_string__FlatStringIterator__item(val* self) {
+val* var /* : nullable Object */;
+char var1 /* : Char */;
+val* var2 /* : nullable Object */;
+var1 = string__FlatStringIterator__item(self);
+var2 = BOX_kernel__Char(var1); /* autobox from Char to nullable Object */
+var = var2;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#next for (self: FlatStringIterator) */
+void string__FlatStringIterator__next(val* self) {
+val* var_ /* var : FlatStringIterator */;
+long var /* : Int */;
+long var2 /* : Int */;
+long var3 /* : Int */;
+long var4 /* : Int */;
+short int var6 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var7 /* : Int */;
+var_ = self;
+{
+{ /* Inline string#FlatStringIterator#curr_pos (var_) on <var_:FlatStringIterator> */
+var2 = var_->attrs[COLOR_string__FlatStringIterator___curr_pos].l; /* _curr_pos on <var_:FlatStringIterator> */
+var = var2;
+RET_LABEL1:(void)0;
+}
+}
+var3 = 1;
+{
+{ /* Inline kernel#Int#+ (var,var3) on <var:Int> */
+/* Covariant cast for argument 0 (i) <var3:Int> isa OTHER */
+/* <var3:Int> isa OTHER */
+var6 = 1; /* easy <var3:Int> isa OTHER*/
+if (unlikely(!var6)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var7 = var + var3;
+var4 = var7;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
+}
+}
+{
+{ /* Inline string#FlatStringIterator#curr_pos= (var_,var4) on <var_:FlatStringIterator> */
+var_->attrs[COLOR_string__FlatStringIterator___curr_pos].l = var4; /* _curr_pos on <var_:FlatStringIterator> */
+RET_LABEL8:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method string#FlatStringIterator#next for (self: Object) */
+void VIRTUAL_string__FlatStringIterator__next(val* self) {
+string__FlatStringIterator__next(self); /* Direct call string#FlatStringIterator#next on <self:Object(FlatStringIterator)>*/
+RET_LABEL:;
+}
+/* method string#FlatStringIterator#index for (self: FlatStringIterator): Int */
+long string__FlatStringIterator__index(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+long var3 /* : Int */;
+val* var4 /* : FlatString */;
+val* var6 /* : FlatString */;
+long var7 /* : Int */;
+long var9 /* : Int */;
+long var10 /* : Int */;
+short int var12 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var13 /* : Int */;
+{
+{ /* Inline string#FlatStringIterator#curr_pos (self) on <self:FlatStringIterator> */
+var3 = self->attrs[COLOR_string__FlatStringIterator___curr_pos].l; /* _curr_pos on <self:FlatStringIterator> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline string#FlatStringIterator#target (self) on <self:FlatStringIterator> */
+var6 = self->attrs[COLOR_string__FlatStringIterator___target].val; /* _target on <self:FlatStringIterator> */
+if (unlikely(var6 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1234);
+show_backtrace(1);
+}
+var4 = var6;
+RET_LABEL5:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_from (var4) on <var4:FlatString> */
+var9 = var4->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <var4:FlatString> */
+var7 = var9;
+RET_LABEL8:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#- (var1,var7) on <var1:Int> */
+/* Covariant cast for argument 0 (i) <var7:Int> isa OTHER */
+/* <var7:Int> isa OTHER */
+var12 = 1; /* easy <var7:Int> isa OTHER*/
+if (unlikely(!var12)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 377);
+show_backtrace(1);
+}
+var13 = var1 - var7;
+var10 = var13;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
+}
+}
+var = var10;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#index for (self: Object): Int */
+long VIRTUAL_string__FlatStringIterator__index(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+var1 = string__FlatStringIterator__index(self);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringIterator#init for (self: FlatStringIterator) */
+void string__FlatStringIterator__init(val* self) {
+{
+((void (*)(val*))(self->class->vft[COLOR_string__FlatStringIterator__init]))(self) /* init on <self:FlatStringIterator>*/;
+}
+RET_LABEL:;
+}
+/* method string#FlatStringIterator#init for (self: Object) */
+void VIRTUAL_string__FlatStringIterator__init(val* self) {
+{ /* Inline string#FlatStringIterator#init (self) on <self:Object(FlatStringIterator)> */
+{
+((void (*)(val*))(self->class->vft[COLOR_string__FlatStringIterator__init]))(self) /* init on <self:Object(FlatStringIterator)>*/;
+}
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#FlatStringCharView#[] for (self: FlatStringCharView, Int): Char */
+char string__FlatStringCharView___91d_93d(val* self, long p0) {
+char var /* : Char */;
+long var_index /* var index: Int */;
+long var1 /* : Int */;
+short int var2 /* : Bool */;
+short int var4 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+short int var5 /* : Bool */;
+val* var6 /* : Text */;
+val* var8 /* : Text */;
+val* var_target /* var target: FlatString */;
+long var9 /* : Int */;
+long var11 /* : Int */;
+long var12 /* : Int */;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
+const char* var_class_name17;
+long var18 /* : Int */;
+long var19 /* : Int */;
+long var21 /* : Int */;
+short int var22 /* : Bool */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+const char* var_class_name27;
+short int var28 /* : Bool */;
+char* var29 /* : NativeString */;
+char* var31 /* : NativeString */;
+long var32 /* : Int */;
+long var34 /* : Int */;
+long var35 /* : Int */;
+short int var37 /* : Bool */;
+int cltype38;
+int idtype39;
+const char* var_class_name40;
+long var41 /* : Int */;
+char var42 /* : Char */;
+char var44 /* : Char */;
+var_index = p0;
+var1 = 0;
+{
+{ /* Inline kernel#Int#>= (var_index,var1) on <var_index:Int> */
+/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
+/* <var1:Int> isa OTHER */
+var4 = 1; /* easy <var1:Int> isa OTHER*/
+if (unlikely(!var4)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 372);
+show_backtrace(1);
+}
+var5 = var_index >= var1;
+var2 = var5;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
+}
+}
+if (unlikely(!var2)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1266);
+show_backtrace(1);
+}
+{
+{ /* Inline string#StringCharView#target (self) on <self:FlatStringCharView> */
+var8 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:FlatStringCharView> */
+if (unlikely(var8 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
+}
+var6 = var8;
+RET_LABEL7:(void)0;
+}
+}
+var_target = var6;
+{
+{ /* Inline string#FlatString#index_from (var_target) on <var_target:FlatString> */
+var11 = var_target->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <var_target:FlatString> */
+var9 = var11;
+RET_LABEL10:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var_index,var9) on <var_index:Int> */
+/* Covariant cast for argument 0 (i) <var9:Int> isa OTHER */
+/* <var9:Int> isa OTHER */
+var14 = 1; /* easy <var9:Int> isa OTHER*/
+if (unlikely(!var14)) {
+var_class_name17 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name17);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var18 = var_index + var9;
+var12 = var18;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_to (var_target) on <var_target:FlatString> */
+var21 = var_target->attrs[COLOR_string__FlatString___index_to].l; /* _index_to on <var_target:FlatString> */
+var19 = var21;
+RET_LABEL20:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#<= (var12,var19) on <var12:Int> */
+/* Covariant cast for argument 0 (i) <var19:Int> isa OTHER */
+/* <var19:Int> isa OTHER */
+var24 = 1; /* easy <var19:Int> isa OTHER*/
+if (unlikely(!var24)) {
+var_class_name27 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name27);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 370);
+show_backtrace(1);
+}
+var28 = var12 <= var19;
+var22 = var28;
+goto RET_LABEL23;
+RET_LABEL23:(void)0;
+}
+}
+if (unlikely(!var22)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1268);
+show_backtrace(1);
+}
+{
+{ /* Inline string#FlatText#items (var_target) on <var_target:FlatString> */
+var31 = var_target->attrs[COLOR_string__FlatText___items].str; /* _items on <var_target:FlatString> */
+var29 = var31;
+RET_LABEL30:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_from (var_target) on <var_target:FlatString> */
+var34 = var_target->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <var_target:FlatString> */
+var32 = var34;
+RET_LABEL33:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var_index,var32) on <var_index:Int> */
+/* Covariant cast for argument 0 (i) <var32:Int> isa OTHER */
+/* <var32:Int> isa OTHER */
+var37 = 1; /* easy <var32:Int> isa OTHER*/
+if (unlikely(!var37)) {
+var_class_name40 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name40);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var41 = var_index + var32;
+var35 = var41;
+goto RET_LABEL36;
+RET_LABEL36:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#[] (var29,var35) on <var29:NativeString> */
+var44 = var29[var35];
+var42 = var44;
+goto RET_LABEL43;
+RET_LABEL43:(void)0;
+}
+}
+var = var42;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringCharView#[] for (self: Object, Int): nullable Object */
+val* VIRTUAL_string__FlatStringCharView___91d_93d(val* self, long p0) {
+val* var /* : nullable Object */;
+char var1 /* : Char */;
+val* var2 /* : nullable Object */;
+var1 = string__FlatStringCharView___91d_93d(self, p0);
+var2 = BOX_kernel__Char(var1); /* autobox from Char to nullable Object */
+var = var2;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringCharView#iterator_from for (self: FlatStringCharView, Int): IndexedIterator[Char] */
+val* string__FlatStringCharView__iterator_from(val* self, long p0) {
+val* var /* : IndexedIterator[Char] */;
+long var_start /* var start: Int */;
+val* var1 /* : FlatStringIterator */;
+val* var2 /* : Text */;
+val* var4 /* : Text */;
+var_start = p0;
+var1 = NEW_string__FlatStringIterator(&type_string__FlatStringIterator);
+{
+{ /* Inline string#StringCharView#target (self) on <self:FlatStringCharView> */
+var4 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:FlatStringCharView> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
+}
+var2 = var4;
+RET_LABEL3:(void)0;
+}
+}
+{
+string__FlatStringIterator__with_pos(var1, var2, var_start); /* Direct call string#FlatStringIterator#with_pos on <var1:FlatStringIterator>*/
+}
+var = var1;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatStringCharView#iterator_from for (self: Object, Int): IndexedIterator[nullable Object] */
+val* VIRTUAL_string__FlatStringCharView__iterator_from(val* self, long p0) {
+val* var /* : IndexedIterator[nullable Object] */;
+val* var1 /* : IndexedIterator[Char] */;
+var1 = string__FlatStringCharView__iterator_from(self, p0);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#Buffer#is_dirty for (self: Buffer): Bool */
+short int string__Buffer__is_dirty(val* self) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+var1 = self->attrs[COLOR_string__Buffer___is_dirty].s; /* _is_dirty on <self:Buffer> */
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#Buffer#is_dirty for (self: Object): Bool */
+short int VIRTUAL_string__Buffer__is_dirty(val* self) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+short int var3 /* : Bool */;
+{ /* Inline string#Buffer#is_dirty (self) on <self:Object(Buffer)> */
+var3 = self->attrs[COLOR_string__Buffer___is_dirty].s; /* _is_dirty on <self:Object(Buffer)> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#Buffer#is_dirty= for (self: Buffer, Bool) */
+void string__Buffer__is_dirty_61d(val* self, short int p0) {
+self->attrs[COLOR_string__Buffer___is_dirty].s = p0; /* _is_dirty on <self:Buffer> */
+RET_LABEL:;
+}
+/* method string#Buffer#is_dirty= for (self: Object, Bool) */
+void VIRTUAL_string__Buffer__is_dirty_61d(val* self, short int p0) {
+{ /* Inline string#Buffer#is_dirty= (self,p0) on <self:Object(Buffer)> */
+self->attrs[COLOR_string__Buffer___is_dirty].s = p0; /* _is_dirty on <self:Object(Buffer)> */
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#Buffer#written for (self: Buffer): Bool */
+short int string__Buffer__written(val* self) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+var1 = self->attrs[COLOR_string__Buffer___written].s; /* _written on <self:Buffer> */
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#Buffer#written for (self: Object): Bool */
+short int VIRTUAL_string__Buffer__written(val* self) {
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+short int var3 /* : Bool */;
+{ /* Inline string#Buffer#written (self) on <self:Object(Buffer)> */
+var3 = self->attrs[COLOR_string__Buffer___written].s; /* _written on <self:Object(Buffer)> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#Buffer#written= for (self: Buffer, Bool) */
+void string__Buffer__written_61d(val* self, short int p0) {
+self->attrs[COLOR_string__Buffer___written].s = p0; /* _written on <self:Buffer> */
+RET_LABEL:;
+}
+/* method string#Buffer#written= for (self: Object, Bool) */
+void VIRTUAL_string__Buffer__written_61d(val* self, short int p0) {
+{ /* Inline string#Buffer#written= (self,p0) on <self:Object(Buffer)> */
+self->attrs[COLOR_string__Buffer___written].s = p0; /* _written on <self:Object(Buffer)> */
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#Buffer#hash for (self: Buffer): Int */
+long string__Buffer__hash(val* self) {
+long var /* : Int */;
+short int var1 /* : Bool */;
+short int var3 /* : Bool */;
+val* var4 /* : null */;
+long var6 /* : Int */;
+{
+{ /* Inline string#Buffer#is_dirty (self) on <self:Buffer> */
+var3 = self->attrs[COLOR_string__Buffer___is_dirty].s; /* _is_dirty on <self:Buffer> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+if (var1){
+var4 = NULL;
+{
+{ /* Inline string#Text#hash_cache= (self,var4) on <self:Buffer> */
+self->attrs[COLOR_string__Text___hash_cache].val = var4; /* _hash_cache on <self:Buffer> */
+RET_LABEL5:(void)0;
+}
+}
+} else {
+}
+{
+var6 = ((long (*)(val*))(self->class->vft[COLOR_string__Buffer__hash]))(self) /* hash on <self:Buffer>*/;
+}
+var = var6;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#Buffer#hash for (self: Object): Int */
+long VIRTUAL_string__Buffer__hash(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+var1 = string__Buffer__hash(self);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#chars for (self: FlatBuffer): Sequence[Char] */
+val* string__FlatBuffer__chars(val* self) {
+val* var /* : Sequence[Char] */;
+val* var1 /* : Sequence[Char] */;
+var1 = self->attrs[COLOR_string__FlatBuffer___chars].val; /* _chars on <self:FlatBuffer> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1406);
+show_backtrace(1);
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#chars for (self: Object): SequenceRead[Char] */
+val* VIRTUAL_string__FlatBuffer__chars(val* self) {
+val* var /* : SequenceRead[Char] */;
+val* var1 /* : Sequence[Char] */;
+val* var3 /* : Sequence[Char] */;
+{ /* Inline string#FlatBuffer#chars (self) on <self:Object(FlatBuffer)> */
+var3 = self->attrs[COLOR_string__FlatBuffer___chars].val; /* _chars on <self:Object(FlatBuffer)> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1406);
+show_backtrace(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#capacity for (self: FlatBuffer): Int */
+long string__FlatBuffer__capacity(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+var1 = self->attrs[COLOR_string__FlatBuffer___capacity].l; /* _capacity on <self:FlatBuffer> */
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#capacity for (self: Object): Int */
+long VIRTUAL_string__FlatBuffer__capacity(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+long var3 /* : Int */;
+{ /* Inline string#FlatBuffer#capacity (self) on <self:Object(FlatBuffer)> */
+var3 = self->attrs[COLOR_string__FlatBuffer___capacity].l; /* _capacity on <self:Object(FlatBuffer)> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#capacity= for (self: FlatBuffer, Int) */
+void string__FlatBuffer__capacity_61d(val* self, long p0) {
+self->attrs[COLOR_string__FlatBuffer___capacity].l = p0; /* _capacity on <self:FlatBuffer> */
+RET_LABEL:;
+}
+/* method string#FlatBuffer#capacity= for (self: Object, Int) */
+void VIRTUAL_string__FlatBuffer__capacity_61d(val* self, long p0) {
+{ /* Inline string#FlatBuffer#capacity= (self,p0) on <self:Object(FlatBuffer)> */
+self->attrs[COLOR_string__FlatBuffer___capacity].l = p0; /* _capacity on <self:Object(FlatBuffer)> */
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#FlatBuffer#substrings for (self: FlatBuffer): Iterator[Text] */
+val* string__FlatBuffer__substrings(val* self) {
+val* var /* : Iterator[Text] */;
+val* var1 /* : FlatSubstringsIter */;
+var1 = NEW_string__FlatSubstringsIter(&type_string__FlatSubstringsIter);
+{
+string__FlatSubstringsIter__init(var1, self); /* Direct call string#FlatSubstringsIter#init on <var1:FlatSubstringsIter>*/
+}
+var = var1;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#substrings for (self: Object): Iterator[Text] */
+val* VIRTUAL_string__FlatBuffer__substrings(val* self) {
+val* var /* : Iterator[Text] */;
+val* var1 /* : Iterator[Text] */;
+var1 = string__FlatBuffer__substrings(self);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#reset for (self: FlatBuffer) */
+void string__FlatBuffer__reset(val* self) {
+char* var /* : NativeString */;
+long var1 /* : Int */;
+long var3 /* : Int */;
+char* var4 /* : NativeString */;
+char* var6 /* : NativeString */;
+char* var_nns /* var nns: NativeString */;
+char* var7 /* : NativeString */;
+char* var9 /* : NativeString */;
+long var10 /* : Int */;
+long var12 /* : Int */;
+long var13 /* : Int */;
+long var14 /* : Int */;
+short int var17 /* : Bool */;
+var = NULL/*special!*/;
+{
+{ /* Inline string#FlatBuffer#capacity (self) on <self:FlatBuffer> */
+var3 = self->attrs[COLOR_string__FlatBuffer___capacity].l; /* _capacity on <self:FlatBuffer> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#new (var,var1) on <var:NativeString> */
+var6 = (char*)nit_alloc(var1);
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
+}
+}
+var_nns = var4;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var9 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var7 = var9;
+RET_LABEL8:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var12 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var10 = var12;
+RET_LABEL11:(void)0;
+}
+}
+var13 = 0;
+var14 = 0;
+{
+{ /* Inline string#NativeString#copy_to (var7,var_nns,var10,var13,var14) on <var7:NativeString> */
+memmove(var_nns+var14,var7+var13,var10);
+RET_LABEL15:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#items= (self,var_nns) on <self:FlatBuffer> */
+self->attrs[COLOR_string__FlatText___items].str = var_nns; /* _items on <self:FlatBuffer> */
+RET_LABEL16:(void)0;
+}
+}
+var17 = 0;
+{
+{ /* Inline string#Buffer#written= (self,var17) on <self:FlatBuffer> */
+self->attrs[COLOR_string__Buffer___written].s = var17; /* _written on <self:FlatBuffer> */
+RET_LABEL18:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method string#FlatBuffer#reset for (self: Object) */
+void VIRTUAL_string__FlatBuffer__reset(val* self) {
+string__FlatBuffer__reset(self); /* Direct call string#FlatBuffer#reset on <self:Object(FlatBuffer)>*/
+RET_LABEL:;
+}
+/* method string#FlatBuffer#[] for (self: FlatBuffer, Int): Char */
+char string__FlatBuffer___91d_93d(val* self, long p0) {
+char var /* : Char */;
+long var_index /* var index: Int */;
+long var1 /* : Int */;
+short int var2 /* : Bool */;
+short int var4 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+short int var5 /* : Bool */;
+long var6 /* : Int */;
+long var8 /* : Int */;
+short int var9 /* : Bool */;
+short int var11 /* : Bool */;
+int cltype12;
+int idtype13;
+const char* var_class_name14;
+short int var15 /* : Bool */;
+char* var16 /* : NativeString */;
+char* var18 /* : NativeString */;
+char var19 /* : Char */;
+char var21 /* : Char */;
+var_index = p0;
+var1 = 0;
+{
+{ /* Inline kernel#Int#>= (var_index,var1) on <var_index:Int> */
+/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
+/* <var1:Int> isa OTHER */
+var4 = 1; /* easy <var1:Int> isa OTHER*/
+if (unlikely(!var4)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 372);
+show_backtrace(1);
+}
+var5 = var_index >= var1;
+var2 = var5;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
+}
+}
+if (unlikely(!var2)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1425);
+show_backtrace(1);
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var8 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var6 = var8;
+RET_LABEL7:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#< (var_index,var6) on <var_index:Int> */
+/* Covariant cast for argument 0 (i) <var6:Int> isa OTHER */
+/* <var6:Int> isa OTHER */
+var11 = 1; /* easy <var6:Int> isa OTHER*/
+if (unlikely(!var11)) {
+var_class_name14 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name14);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var15 = var_index < var6;
+var9 = var15;
+goto RET_LABEL10;
+RET_LABEL10:(void)0;
+}
+}
+if (unlikely(!var9)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1426);
+show_backtrace(1);
+}
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var18 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var16 = var18;
+RET_LABEL17:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#[] (var16,var_index) on <var16:NativeString> */
+var21 = var16[var_index];
+var19 = var21;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
+}
+}
+var = var19;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#[] for (self: Object, Int): Char */
+char VIRTUAL_string__FlatBuffer___91d_93d(val* self, long p0) {
+char var /* : Char */;
+char var1 /* : Char */;
+var1 = string__FlatBuffer___91d_93d(self, p0);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#add for (self: FlatBuffer, Char) */
+void string__FlatBuffer__add(val* self, char p0) {
+char var_c /* var c: Char */;
+short int var /* : Bool */;
+long var2 /* : Int */;
+long var4 /* : Int */;
+long var5 /* : Int */;
+long var7 /* : Int */;
+short int var8 /* : Bool */;
+short int var10 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+short int var11 /* : Bool */;
+long var12 /* : Int */;
+long var14 /* : Int */;
+long var15 /* : Int */;
+long var16 /* : Int */;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
+const char* var_class_name21;
+long var22 /* : Int */;
+char* var23 /* : NativeString */;
+char* var25 /* : NativeString */;
+long var26 /* : Int */;
+long var28 /* : Int */;
+val* var_ /* var : FlatBuffer */;
+long var30 /* : Int */;
+long var32 /* : Int */;
+long var33 /* : Int */;
+long var34 /* : Int */;
+short int var36 /* : Bool */;
+int cltype37;
+int idtype38;
+const char* var_class_name39;
+long var40 /* : Int */;
+var_c = p0;
+var = 1;
+{
+{ /* Inline string#Buffer#is_dirty= (self,var) on <self:FlatBuffer> */
+self->attrs[COLOR_string__Buffer___is_dirty].s = var; /* _is_dirty on <self:FlatBuffer> */
+RET_LABEL1:(void)0;
+}
+}
+{
+{ /* Inline string#FlatBuffer#capacity (self) on <self:FlatBuffer> */
+var4 = self->attrs[COLOR_string__FlatBuffer___capacity].l; /* _capacity on <self:FlatBuffer> */
+var2 = var4;
+RET_LABEL3:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var7 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var5 = var7;
+RET_LABEL6:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#<= (var2,var5) on <var2:Int> */
+/* Covariant cast for argument 0 (i) <var5:Int> isa OTHER */
+/* <var5:Int> isa OTHER */
+var10 = 1; /* easy <var5:Int> isa OTHER*/
+if (unlikely(!var10)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 370);
+show_backtrace(1);
+}
+var11 = var2 <= var5;
+var8 = var11;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
+}
+}
+if (var8){
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var14 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var12 = var14;
+RET_LABEL13:(void)0;
+}
+}
+var15 = 5;
+{
+{ /* Inline kernel#Int#+ (var12,var15) on <var12:Int> */
+/* Covariant cast for argument 0 (i) <var15:Int> isa OTHER */
+/* <var15:Int> isa OTHER */
+var18 = 1; /* easy <var15:Int> isa OTHER*/
+if (unlikely(!var18)) {
+var_class_name21 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name21);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var22 = var12 + var15;
+var16 = var22;
+goto RET_LABEL17;
+RET_LABEL17:(void)0;
+}
+}
+{
+string__FlatBuffer__enlarge(self, var16); /* Direct call string#FlatBuffer#enlarge on <self:FlatBuffer>*/
+}
+} else {
+}
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var25 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var23 = var25;
+RET_LABEL24:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var28 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var26 = var28;
+RET_LABEL27:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#[]= (var23,var26,var_c) on <var23:NativeString> */
+var23[var26]=var_c;
+RET_LABEL29:(void)0;
+}
+}
+var_ = self;
+{
+{ /* Inline string#FlatText#length (var_) on <var_:FlatBuffer> */
+var32 = var_->attrs[COLOR_string__FlatText___length].l; /* _length on <var_:FlatBuffer> */
+var30 = var32;
+RET_LABEL31:(void)0;
+}
+}
+var33 = 1;
+{
+{ /* Inline kernel#Int#+ (var30,var33) on <var30:Int> */
+/* Covariant cast for argument 0 (i) <var33:Int> isa OTHER */
+/* <var33:Int> isa OTHER */
+var36 = 1; /* easy <var33:Int> isa OTHER*/
+if (unlikely(!var36)) {
+var_class_name39 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name39);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var40 = var30 + var33;
+var34 = var40;
+goto RET_LABEL35;
+RET_LABEL35:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length= (var_,var34) on <var_:FlatBuffer> */
+var_->attrs[COLOR_string__FlatText___length].l = var34; /* _length on <var_:FlatBuffer> */
+RET_LABEL41:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method string#FlatBuffer#add for (self: Object, Char) */
+void VIRTUAL_string__FlatBuffer__add(val* self, char p0) {
+string__FlatBuffer__add(self, p0); /* Direct call string#FlatBuffer#add on <self:Object(FlatBuffer)>*/
+RET_LABEL:;
+}
+/* method string#FlatBuffer#clear for (self: FlatBuffer) */
+void string__FlatBuffer__clear(val* self) {
+short int var /* : Bool */;
+short int var2 /* : Bool */;
+short int var4 /* : Bool */;
+long var5 /* : Int */;
+var = 1;
+{
+{ /* Inline string#Buffer#is_dirty= (self,var) on <self:FlatBuffer> */
+self->attrs[COLOR_string__Buffer___is_dirty].s = var; /* _is_dirty on <self:FlatBuffer> */
+RET_LABEL1:(void)0;
+}
+}
+{
+{ /* Inline string#Buffer#written (self) on <self:FlatBuffer> */
+var4 = self->attrs[COLOR_string__Buffer___written].s; /* _written on <self:FlatBuffer> */
+var2 = var4;
+RET_LABEL3:(void)0;
+}
+}
+if (var2){
+{
+string__FlatBuffer__reset(self); /* Direct call string#FlatBuffer#reset on <self:FlatBuffer>*/
+}
+} else {
+}
+var5 = 0;
+{
+{ /* Inline string#FlatText#length= (self,var5) on <self:FlatBuffer> */
+self->attrs[COLOR_string__FlatText___length].l = var5; /* _length on <self:FlatBuffer> */
+RET_LABEL6:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method string#FlatBuffer#clear for (self: Object) */
+void VIRTUAL_string__FlatBuffer__clear(val* self) {
+string__FlatBuffer__clear(self); /* Direct call string#FlatBuffer#clear on <self:Object(FlatBuffer)>*/
+RET_LABEL:;
+}
+/* method string#FlatBuffer#empty for (self: FlatBuffer): FlatBuffer */
+val* string__FlatBuffer__empty(val* self) {
+val* var /* : FlatBuffer */;
+val* var1 /* : FlatBuffer */;
+short int var2 /* : Bool */;
+int cltype;
+int idtype;
+const struct type* type_struct;
+const char* var_class_name;
+var1 = NEW_string__FlatBuffer(&type_string__FlatBuffer);
+{
+((void (*)(val*))(var1->class->vft[COLOR_kernel__Object__init]))(var1) /* init on <var1:FlatBuffer>*/;
+}
+/* <var1:FlatBuffer> isa SELFTYPE */
+type_struct = self->type->resolution_table->types[COLOR_string__Text_VTSELFTYPE];
+cltype = type_struct->color;
+idtype = type_struct->id;
+if(cltype >= var1->type->table_size) {
+var2 = 0;
+} else {
+var2 = var1->type->type_table[cltype] == idtype;
+}
+if (unlikely(!var2)) {
+var_class_name = var1 == NULL ? "null" : var1->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1456);
+show_backtrace(1);
+}
+var = var1;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#empty for (self: Object): Text */
+val* VIRTUAL_string__FlatBuffer__empty(val* self) {
+val* var /* : Text */;
+val* var1 /* : FlatBuffer */;
+var1 = string__FlatBuffer__empty(self);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#enlarge for (self: FlatBuffer, Int) */
+void string__FlatBuffer__enlarge(val* self, long p0) {
+long var_cap /* var cap: Int */;
+long var /* : Int */;
+long var2 /* : Int */;
+long var_c /* var c: Int */;
+short int var3 /* : Bool */;
+short int var5 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+short int var9 /* : Bool */;
+int cltype10;
+int idtype11;
+const char* var_class_name12;
+short int var13 /* : Bool */;
+long var14 /* : Int */;
+long var15 /* : Int */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
+const char* var_class_name20;
+long var21 /* : Int */;
+long var22 /* : Int */;
+long var23 /* : Int */;
+short int var25 /* : Bool */;
+int cltype26;
+int idtype27;
+const char* var_class_name28;
+long var29 /* : Int */;
+short int var30 /* : Bool */;
+long var32 /* : Int */;
+long var33 /* : Int */;
+short int var35 /* : Bool */;
+int cltype36;
+int idtype37;
+const char* var_class_name38;
+long var39 /* : Int */;
+char* var40 /* : NativeString */;
+char* var42 /* : NativeString */;
+char* var_a /* var a: NativeString */;
+long var43 /* : Int */;
+long var45 /* : Int */;
+long var46 /* : Int */;
+short int var47 /* : Bool */;
+short int var49 /* : Bool */;
+int cltype50;
+int idtype51;
+const char* var_class_name52;
+short int var53 /* : Bool */;
+char* var54 /* : NativeString */;
+char* var56 /* : NativeString */;
+long var57 /* : Int */;
+long var59 /* : Int */;
+long var60 /* : Int */;
+long var61 /* : Int */;
+var_cap = p0;
+{
+{ /* Inline string#FlatBuffer#capacity (self) on <self:FlatBuffer> */
+var2 = self->attrs[COLOR_string__FlatBuffer___capacity].l; /* _capacity on <self:FlatBuffer> */
+var = var2;
+RET_LABEL1:(void)0;
+}
+}
+var_c = var;
+{
+{ /* Inline kernel#Int#<= (var_cap,var_c) on <var_cap:Int> */
+/* Covariant cast for argument 0 (i) <var_c:Int> isa OTHER */
+/* <var_c:Int> isa OTHER */
+var5 = 1; /* easy <var_c:Int> isa OTHER*/
+if (unlikely(!var5)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 370);
+show_backtrace(1);
+}
+var6 = var_cap <= var_c;
+var3 = var6;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
+}
+}
+if (var3){
+goto RET_LABEL;
+} else {
+}
+for(;;) {
+{
+{ /* Inline kernel#Int#<= (var_c,var_cap) on <var_c:Int> */
+/* Covariant cast for argument 0 (i) <var_cap:Int> isa OTHER */
+/* <var_cap:Int> isa OTHER */
+var9 = 1; /* easy <var_cap:Int> isa OTHER*/
+if (unlikely(!var9)) {
+var_class_name12 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name12);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 370);
+show_backtrace(1);
+}
+var13 = var_c <= var_cap;
+var7 = var13;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
+}
+}
+if (var7){
+var14 = 2;
+{
+{ /* Inline kernel#Int#* (var_c,var14) on <var_c:Int> */
+/* Covariant cast for argument 0 (i) <var14:Int> isa OTHER */
+/* <var14:Int> isa OTHER */
+var17 = 1; /* easy <var14:Int> isa OTHER*/
+if (unlikely(!var17)) {
+var_class_name20 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name20);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 378);
+show_backtrace(1);
+}
+var21 = var_c * var14;
+var15 = var21;
+goto RET_LABEL16;
+RET_LABEL16:(void)0;
+}
+}
+var22 = 2;
+{
+{ /* Inline kernel#Int#+ (var15,var22) on <var15:Int> */
+/* Covariant cast for argument 0 (i) <var22:Int> isa OTHER */
+/* <var22:Int> isa OTHER */
+var25 = 1; /* easy <var22:Int> isa OTHER*/
+if (unlikely(!var25)) {
+var_class_name28 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name28);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var29 = var15 + var22;
+var23 = var29;
+goto RET_LABEL24;
+RET_LABEL24:(void)0;
+}
+}
+var_c = var23;
+} else {
+goto BREAK_label;
+}
+}
+BREAK_label: (void)0;
+var30 = 0;
+{
+{ /* Inline string#Buffer#written= (self,var30) on <self:FlatBuffer> */
+self->attrs[COLOR_string__Buffer___written].s = var30; /* _written on <self:FlatBuffer> */
+RET_LABEL31:(void)0;
+}
+}
+var32 = 1;
+{
+{ /* Inline kernel#Int#+ (var_c,var32) on <var_c:Int> */
+/* Covariant cast for argument 0 (i) <var32:Int> isa OTHER */
+/* <var32:Int> isa OTHER */
+var35 = 1; /* easy <var32:Int> isa OTHER*/
+if (unlikely(!var35)) {
+var_class_name38 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name38);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var39 = var_c + var32;
+var33 = var39;
+goto RET_LABEL34;
+RET_LABEL34:(void)0;
+}
+}
+{
+{ /* Inline string#StringCapable#calloc_string (self,var33) on <self:FlatBuffer> */
+var42 = (char*)nit_alloc(var33);
+var40 = var42;
+goto RET_LABEL41;
+RET_LABEL41:(void)0;
+}
+}
+var_a = var40;
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var45 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var43 = var45;
+RET_LABEL44:(void)0;
+}
+}
+var46 = 0;
+{
+{ /* Inline kernel#Int#> (var43,var46) on <var43:Int> */
+/* Covariant cast for argument 0 (i) <var46:Int> isa OTHER */
+/* <var46:Int> isa OTHER */
+var49 = 1; /* easy <var46:Int> isa OTHER*/
+if (unlikely(!var49)) {
+var_class_name52 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name52);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 373);
+show_backtrace(1);
+}
+var53 = var43 > var46;
+var47 = var53;
+goto RET_LABEL48;
+RET_LABEL48:(void)0;
+}
+}
+if (var47){
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var56 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var54 = var56;
+RET_LABEL55:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var59 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var57 = var59;
+RET_LABEL58:(void)0;
+}
+}
+var60 = 0;
+var61 = 0;
+{
+{ /* Inline string#NativeString#copy_to (var54,var_a,var57,var60,var61) on <var54:NativeString> */
+memmove(var_a+var61,var54+var60,var57);
+RET_LABEL62:(void)0;
+}
+}
+} else {
+}
+{
+{ /* Inline string#FlatText#items= (self,var_a) on <self:FlatBuffer> */
+self->attrs[COLOR_string__FlatText___items].str = var_a; /* _items on <self:FlatBuffer> */
+RET_LABEL63:(void)0;
+}
+}
+{
+{ /* Inline string#FlatBuffer#capacity= (self,var_c) on <self:FlatBuffer> */
+self->attrs[COLOR_string__FlatBuffer___capacity].l = var_c; /* _capacity on <self:FlatBuffer> */
+RET_LABEL64:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method string#FlatBuffer#enlarge for (self: Object, Int) */
+void VIRTUAL_string__FlatBuffer__enlarge(val* self, long p0) {
+string__FlatBuffer__enlarge(self, p0); /* Direct call string#FlatBuffer#enlarge on <self:Object(FlatBuffer)>*/
+RET_LABEL:;
+}
+/* method string#FlatBuffer#to_s for (self: FlatBuffer): String */
+val* string__FlatBuffer__to_s(val* self) {
+val* var /* : String */;
+short int var1 /* : Bool */;
+long var3 /* : Int */;
+long var5 /* : Int */;
+long var6 /* : Int */;
+short int var7 /* : Bool */;
+short int var8 /* : Bool */;
+short int var10 /* : Bool */;
+char* var11 /* : NativeString */;
+long var12 /* : Int */;
+char* var13 /* : NativeString */;
+char* var15 /* : NativeString */;
+val* var17 /* : FlatString */;
+char* var18 /* : NativeString */;
+char* var20 /* : NativeString */;
+long var21 /* : Int */;
+long var23 /* : Int */;
+long var24 /* : Int */;
+long var25 /* : Int */;
+long var27 /* : Int */;
+long var28 /* : Int */;
+long var29 /* : Int */;
+short int var31 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var32 /* : Int */;
+var1 = 1;
+{
+{ /* Inline string#Buffer#written= (self,var1) on <self:FlatBuffer> */
+self->attrs[COLOR_string__Buffer___written].s = var1; /* _written on <self:FlatBuffer> */
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var5 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var3 = var5;
+RET_LABEL4:(void)0;
+}
+}
+var6 = 0;
+{
+{ /* Inline kernel#Int#== (var3,var6) on <var3:Int> */
+var10 = var3 == var6;
+var8 = var10;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
+}
+var7 = var8;
+}
+if (var7){
+var11 = NULL/*special!*/;
+var12 = 1;
+{
+{ /* Inline string#NativeString#new (var11,var12) on <var11:NativeString> */
+var15 = (char*)nit_alloc(var12);
+var13 = var15;
+goto RET_LABEL14;
+RET_LABEL14:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#items= (self,var13) on <self:FlatBuffer> */
+self->attrs[COLOR_string__FlatText___items].str = var13; /* _items on <self:FlatBuffer> */
+RET_LABEL16:(void)0;
+}
+}
+} else {
+}
+var17 = NEW_string__FlatString(&type_string__FlatString);
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var20 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var18 = var20;
+RET_LABEL19:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var23 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var21 = var23;
+RET_LABEL22:(void)0;
+}
+}
+var24 = 0;
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var27 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var25 = var27;
+RET_LABEL26:(void)0;
+}
+}
+var28 = 1;
+{
+{ /* Inline kernel#Int#- (var25,var28) on <var25:Int> */
+/* Covariant cast for argument 0 (i) <var28:Int> isa OTHER */
+/* <var28:Int> isa OTHER */
+var31 = 1; /* easy <var28:Int> isa OTHER*/
+if (unlikely(!var31)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 377);
+show_backtrace(1);
+}
+var32 = var25 - var28;
+var29 = var32;
+goto RET_LABEL30;
+RET_LABEL30:(void)0;
+}
+}
+{
+string__FlatString__with_infos(var17, var18, var21, var24, var29); /* Direct call string#FlatString#with_infos on <var17:FlatString>*/
+}
+var = var17;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#to_s for (self: Object): String */
+val* VIRTUAL_string__FlatBuffer__to_s(val* self) {
+val* var /* : String */;
+val* var1 /* : String */;
+var1 = string__FlatBuffer__to_s(self);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#to_cstring for (self: FlatBuffer): NativeString */
+char* string__FlatBuffer__to_cstring(val* self) {
+char* var /* : NativeString */;
+short int var1 /* : Bool */;
+short int var3 /* : Bool */;
+long var4 /* : Int */;
+long var6 /* : Int */;
+long var7 /* : Int */;
+long var8 /* : Int */;
+short int var10 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var11 /* : Int */;
+char* var12 /* : NativeString */;
+char* var14 /* : NativeString */;
+char* var_new_native /* var new_native: NativeString */;
+long var15 /* : Int */;
+long var17 /* : Int */;
+char var18 /* : Char */;
+long var20 /* : Int */;
+long var22 /* : Int */;
+long var23 /* : Int */;
+short int var24 /* : Bool */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+const char* var_class_name29;
+short int var30 /* : Bool */;
+char* var31 /* : NativeString */;
+char* var33 /* : NativeString */;
+long var34 /* : Int */;
+long var36 /* : Int */;
+long var37 /* : Int */;
+long var38 /* : Int */;
+val* var41 /* : nullable NativeString */;
+short int var42 /* : Bool */;
+val* var44 /* : nullable NativeString */;
+val* var46 /* : nullable NativeString */;
+char* var47 /* : NativeString */;
+{
+{ /* Inline string#Buffer#is_dirty (self) on <self:FlatBuffer> */
+var3 = self->attrs[COLOR_string__Buffer___is_dirty].s; /* _is_dirty on <self:FlatBuffer> */
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+if (var1){
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var6 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var4 = var6;
+RET_LABEL5:(void)0;
+}
+}
+var7 = 1;
+{
+{ /* Inline kernel#Int#+ (var4,var7) on <var4:Int> */
+/* Covariant cast for argument 0 (i) <var7:Int> isa OTHER */
+/* <var7:Int> isa OTHER */
+var10 = 1; /* easy <var7:Int> isa OTHER*/
+if (unlikely(!var10)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var11 = var4 + var7;
+var8 = var11;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
+}
+}
+{
+{ /* Inline string#StringCapable#calloc_string (self,var8) on <self:FlatBuffer> */
+var14 = (char*)nit_alloc(var8);
+var12 = var14;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
+}
+}
+var_new_native = var12;
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var17 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var15 = var17;
+RET_LABEL16:(void)0;
+}
+}
+var18 = '\0';
+{
+{ /* Inline string#NativeString#[]= (var_new_native,var15,var18) on <var_new_native:NativeString> */
+var_new_native[var15]=var18;
+RET_LABEL19:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var22 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var20 = var22;
+RET_LABEL21:(void)0;
+}
+}
+var23 = 0;
+{
+{ /* Inline kernel#Int#> (var20,var23) on <var20:Int> */
+/* Covariant cast for argument 0 (i) <var23:Int> isa OTHER */
+/* <var23:Int> isa OTHER */
+var26 = 1; /* easy <var23:Int> isa OTHER*/
+if (unlikely(!var26)) {
+var_class_name29 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name29);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 373);
+show_backtrace(1);
+}
+var30 = var20 > var23;
+var24 = var30;
+goto RET_LABEL25;
+RET_LABEL25:(void)0;
+}
+}
+if (var24){
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var33 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var31 = var33;
+RET_LABEL32:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var36 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var34 = var36;
+RET_LABEL35:(void)0;
+}
+}
+var37 = 0;
+var38 = 0;
+{
+{ /* Inline string#NativeString#copy_to (var31,var_new_native,var34,var37,var38) on <var31:NativeString> */
+memmove(var_new_native+var38,var31+var37,var34);
+RET_LABEL39:(void)0;
+}
+}
+} else {
+}
+{
+{ /* Inline string#FlatText#real_items= (self,var_new_native) on <self:FlatBuffer> */
+var41 = BOX_string__NativeString(var_new_native); /* autobox from NativeString to nullable NativeString */
+self->attrs[COLOR_string__FlatText___real_items].val = var41; /* _real_items on <self:FlatBuffer> */
+RET_LABEL40:(void)0;
+}
+}
+var42 = 0;
+{
+{ /* Inline string#Buffer#is_dirty= (self,var42) on <self:FlatBuffer> */
+self->attrs[COLOR_string__Buffer___is_dirty].s = var42; /* _is_dirty on <self:FlatBuffer> */
+RET_LABEL43:(void)0;
+}
+}
+} else {
+}
+{
+{ /* Inline string#FlatText#real_items (self) on <self:FlatBuffer> */
+var46 = self->attrs[COLOR_string__FlatText___real_items].val; /* _real_items on <self:FlatBuffer> */
+var44 = var46;
+RET_LABEL45:(void)0;
+}
+}
+if (unlikely(var44 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Cast failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1488);
+show_backtrace(1);
+}
+var47 = ((struct instance_string__NativeString*)var44)->value; /* autounbox from nullable NativeString to NativeString */;
+var = var47;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#to_cstring for (self: Object): NativeString */
+char* VIRTUAL_string__FlatBuffer__to_cstring(val* self) {
+char* var /* : NativeString */;
+char* var1 /* : NativeString */;
+var1 = string__FlatBuffer__to_cstring(self);
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#FlatBuffer#init for (self: FlatBuffer) */
+void string__FlatBuffer__init(val* self) {
+{
+((void (*)(val*))(self->class->vft[COLOR_string__FlatBuffer__init]))(self) /* init on <self:FlatBuffer>*/;
+}
+RET_LABEL:;
+}
+/* method string#FlatBuffer#init for (self: Object) */
+void VIRTUAL_string__FlatBuffer__init(val* self) {
+{ /* Inline string#FlatBuffer#init (self) on <self:Object(FlatBuffer)> */
+{
+((void (*)(val*))(self->class->vft[COLOR_string__FlatBuffer__init]))(self) /* init on <self:Object(FlatBuffer)>*/;
+}
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#FlatBuffer#from for (self: FlatBuffer, Text) */
+void string__FlatBuffer__from(val* self, val* p0) {
+val* var_s /* var s: Text */;
+long var /* : Int */;
+long var2 /* : Int */;
+long var3 /* : Int */;
+long var4 /* : Int */;
+short int var6 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var7 /* : Int */;
+long var9 /* : Int */;
+long var11 /* : Int */;
+long var13 /* : Int */;
+long var15 /* : Int */;
+char* var16 /* : NativeString */;
+char* var18 /* : NativeString */;
+short int var20 /* : Bool */;
+int cltype21;
+int idtype22;
+char* var23 /* : NativeString */;
+char* var25 /* : NativeString */;
+char* var26 /* : NativeString */;
+char* var28 /* : NativeString */;
+long var29 /* : Int */;
+long var31 /* : Int */;
+long var32 /* : Int */;
+long var34 /* : Int */;
+long var35 /* : Int */;
+short int var37 /* : Bool */;
+int cltype38;
+int idtype39;
+char* var40 /* : NativeString */;
+char* var42 /* : NativeString */;
+char* var43 /* : NativeString */;
+char* var45 /* : NativeString */;
+long var46 /* : Int */;
+long var48 /* : Int */;
+long var49 /* : Int */;
+long var50 /* : Int */;
+long var52 /* : Int */;
+long var_curr_pos /* var curr_pos: Int */;
+long var53 /* : Int */;
+long var_i /* var i: Int */;
+long var54 /* : Int */;
+long var56 /* : Int */;
+long var_ /* var : Int */;
+short int var57 /* : Bool */;
+short int var59 /* : Bool */;
+int cltype60;
+int idtype61;
+const char* var_class_name62;
+short int var63 /* : Bool */;
+val* var64 /* : SequenceRead[Char] */;
+val* var65 /* : nullable Object */;
+char var66 /* : Char */;
+char var_c /* var c: Char */;
+char* var67 /* : NativeString */;
+char* var69 /* : NativeString */;
+long var71 /* : Int */;
+long var72 /* : Int */;
+short int var74 /* : Bool */;
+int cltype75;
+int idtype76;
+const char* var_class_name77;
+long var78 /* : Int */;
+long var79 /* : Int */;
+long var80 /* : Int */;
+{
+((void (*)(val*))(self->class->vft[COLOR_kernel__Object__init]))(self) /* init on <self:FlatBuffer>*/;
+}
+var_s = p0;
+{
+{ /* Inline string#FlatText#length (var_s) on <var_s:Text> */
+var2 = var_s->attrs[COLOR_string__FlatText___length].l; /* _length on <var_s:Text> */
+var = var2;
+RET_LABEL1:(void)0;
+}
+}
+var3 = 1;
+{
+{ /* Inline kernel#Int#+ (var,var3) on <var:Int> */
+/* Covariant cast for argument 0 (i) <var3:Int> isa OTHER */
+/* <var3:Int> isa OTHER */
+var6 = 1; /* easy <var3:Int> isa OTHER*/
+if (unlikely(!var6)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var7 = var + var3;
+var4 = var7;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
+}
+}
+{
+{ /* Inline string#FlatBuffer#capacity= (self,var4) on <self:FlatBuffer> */
+self->attrs[COLOR_string__FlatBuffer___capacity].l = var4; /* _capacity on <self:FlatBuffer> */
+RET_LABEL8:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (var_s) on <var_s:Text> */
+var11 = var_s->attrs[COLOR_string__FlatText___length].l; /* _length on <var_s:Text> */
+var9 = var11;
+RET_LABEL10:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length= (self,var9) on <self:FlatBuffer> */
+self->attrs[COLOR_string__FlatText___length].l = var9; /* _length on <self:FlatBuffer> */
+RET_LABEL12:(void)0;
+}
+}
+{
+{ /* Inline string#FlatBuffer#capacity (self) on <self:FlatBuffer> */
+var15 = self->attrs[COLOR_string__FlatBuffer___capacity].l; /* _capacity on <self:FlatBuffer> */
+var13 = var15;
+RET_LABEL14:(void)0;
+}
+}
+{
+{ /* Inline string#StringCapable#calloc_string (self,var13) on <self:FlatBuffer> */
+var18 = (char*)nit_alloc(var13);
+var16 = var18;
+goto RET_LABEL17;
+RET_LABEL17:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#items= (self,var16) on <self:FlatBuffer> */
+self->attrs[COLOR_string__FlatText___items].str = var16; /* _items on <self:FlatBuffer> */
+RET_LABEL19:(void)0;
+}
+}
+/* <var_s:Text> isa FlatString */
+cltype21 = type_string__FlatString.color;
+idtype22 = type_string__FlatString.id;
+if(cltype21 >= var_s->type->table_size) {
+var20 = 0;
+} else {
+var20 = var_s->type->type_table[cltype21] == idtype22;
+}
+if (var20){
+{
+{ /* Inline string#FlatText#items (var_s) on <var_s:Text(FlatString)> */
+var25 = var_s->attrs[COLOR_string__FlatText___items].str; /* _items on <var_s:Text(FlatString)> */
+var23 = var25;
+RET_LABEL24:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var28 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var26 = var28;
+RET_LABEL27:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var31 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var29 = var31;
+RET_LABEL30:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_from (var_s) on <var_s:Text(FlatString)> */
+var34 = var_s->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <var_s:Text(FlatString)> */
+var32 = var34;
+RET_LABEL33:(void)0;
+}
+}
+var35 = 0;
+{
+{ /* Inline string#NativeString#copy_to (var23,var26,var29,var32,var35) on <var23:NativeString> */
+memmove(var26+var35,var23+var32,var29);
+RET_LABEL36:(void)0;
+}
+}
+} else {
+/* <var_s:Text> isa FlatBuffer */
+cltype38 = type_string__FlatBuffer.color;
+idtype39 = type_string__FlatBuffer.id;
+if(cltype38 >= var_s->type->table_size) {
+var37 = 0;
+} else {
+var37 = var_s->type->type_table[cltype38] == idtype39;
+}
+if (var37){
+{
+{ /* Inline string#FlatText#items (var_s) on <var_s:Text(FlatBuffer)> */
+var42 = var_s->attrs[COLOR_string__FlatText___items].str; /* _items on <var_s:Text(FlatBuffer)> */
+var40 = var42;
+RET_LABEL41:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var45 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var43 = var45;
+RET_LABEL44:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var48 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var46 = var48;
+RET_LABEL47:(void)0;
+}
+}
+var49 = 0;
+var50 = 0;
+{
+{ /* Inline string#NativeString#copy_to (var40,var43,var46,var49,var50) on <var40:NativeString> */
+memmove(var43+var50,var40+var49,var46);
+RET_LABEL51:(void)0;
+}
+}
+} else {
+var52 = 0;
+var_curr_pos = var52;
+var53 = 0;
+var_i = var53;
+{
+{ /* Inline string#FlatText#length (var_s) on <var_s:Text> */
+var56 = var_s->attrs[COLOR_string__FlatText___length].l; /* _length on <var_s:Text> */
+var54 = var56;
+RET_LABEL55:(void)0;
+}
+}
+var_ = var54;
+for(;;) {
+{
+{ /* Inline kernel#Int#< (var_i,var_) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var59 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var59)) {
+var_class_name62 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name62);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var63 = var_i < var_;
+var57 = var63;
+goto RET_LABEL58;
+RET_LABEL58:(void)0;
+}
+}
+if (var57){
+{
+var64 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Text__chars]))(var_s) /* chars on <var_s:Text>*/;
+}
+{
+var65 = ((val* (*)(val*, long))(var64->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var64, var_i) /* [] on <var64:SequenceRead[Char]>*/;
+}
+var66 = ((struct instance_kernel__Char*)var65)->value; /* autounbox from nullable Object to Char */;
+var_c = var66;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var69 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var67 = var69;
+RET_LABEL68:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#[]= (var67,var_curr_pos,var_c) on <var67:NativeString> */
+var67[var_curr_pos]=var_c;
+RET_LABEL70:(void)0;
+}
+}
+var71 = 1;
+{
+{ /* Inline kernel#Int#+ (var_curr_pos,var71) on <var_curr_pos:Int> */
+/* Covariant cast for argument 0 (i) <var71:Int> isa OTHER */
+/* <var71:Int> isa OTHER */
+var74 = 1; /* easy <var71:Int> isa OTHER*/
+if (unlikely(!var74)) {
+var_class_name77 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name77);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var78 = var_curr_pos + var71;
+var72 = var78;
+goto RET_LABEL73;
+RET_LABEL73:(void)0;
+}
+}
+var_curr_pos = var72;
+var79 = 1;
+{
+var80 = kernel__Int__successor(var_i, var79);
+}
+var_i = var80;
+} else {
+goto BREAK_label;
+}
+}
+BREAK_label: (void)0;
+}
+}
+RET_LABEL:;
+}
+/* method string#FlatBuffer#from for (self: Object, Text) */
+void VIRTUAL_string__FlatBuffer__from(val* self, val* p0) {
+string__FlatBuffer__from(self, p0); /* Direct call string#FlatBuffer#from on <self:Object(FlatBuffer)>*/
+RET_LABEL:;
+}
+/* method string#FlatBuffer#with_capacity for (self: FlatBuffer, Int) */
+void string__FlatBuffer__with_capacity(val* self, long p0) {
+long var_cap /* var cap: Int */;
+long var /* : Int */;
+short int var1 /* : Bool */;
+short int var3 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+short int var4 /* : Bool */;
+long var5 /* : Int */;
+long var6 /* : Int */;
+short int var8 /* : Bool */;
+int cltype9;
+int idtype10;
+const char* var_class_name11;
+long var12 /* : Int */;
+char* var13 /* : NativeString */;
+char* var15 /* : NativeString */;
+long var18 /* : Int */;
+{
+((void (*)(val*))(self->class->vft[COLOR_kernel__Object__init]))(self) /* init on <self:FlatBuffer>*/;
+}
+var_cap = p0;
+var = 0;
+{
+{ /* Inline kernel#Int#>= (var_cap,var) on <var_cap:Int> */
+/* Covariant cast for argument 0 (i) <var:Int> isa OTHER */
+/* <var:Int> isa OTHER */
+var3 = 1; /* easy <var:Int> isa OTHER*/
+if (unlikely(!var3)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 372);
+show_backtrace(1);
+}
+var4 = var_cap >= var;
+var1 = var4;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
+}
+}
+if (unlikely(!var1)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1516);
+show_backtrace(1);
+}
+var5 = 1;
+{
+{ /* Inline kernel#Int#+ (var_cap,var5) on <var_cap:Int> */
+/* Covariant cast for argument 0 (i) <var5:Int> isa OTHER */
+/* <var5:Int> isa OTHER */
+var8 = 1; /* easy <var5:Int> isa OTHER*/
+if (unlikely(!var8)) {
+var_class_name11 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name11);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var12 = var_cap + var5;
+var6 = var12;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
+}
+}
+{
+{ /* Inline string#StringCapable#calloc_string (self,var6) on <self:FlatBuffer> */
+var15 = (char*)nit_alloc(var6);
+var13 = var15;
+goto RET_LABEL14;
+RET_LABEL14:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#items= (self,var13) on <self:FlatBuffer> */
+self->attrs[COLOR_string__FlatText___items].str = var13; /* _items on <self:FlatBuffer> */
+RET_LABEL16:(void)0;
+}
+}
+{
+{ /* Inline string#FlatBuffer#capacity= (self,var_cap) on <self:FlatBuffer> */
+self->attrs[COLOR_string__FlatBuffer___capacity].l = var_cap; /* _capacity on <self:FlatBuffer> */
+RET_LABEL17:(void)0;
+}
+}
+var18 = 0;
+{
+{ /* Inline string#FlatText#length= (self,var18) on <self:FlatBuffer> */
+self->attrs[COLOR_string__FlatText___length].l = var18; /* _length on <self:FlatBuffer> */
+RET_LABEL19:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method string#FlatBuffer#with_capacity for (self: Object, Int) */
+void VIRTUAL_string__FlatBuffer__with_capacity(val* self, long p0) {
+string__FlatBuffer__with_capacity(self, p0); /* Direct call string#FlatBuffer#with_capacity on <self:Object(FlatBuffer)>*/
+RET_LABEL:;
+}
+/* method string#FlatBuffer#append for (self: FlatBuffer, Text) */
+void string__FlatBuffer__append(val* self, val* p0) {
+val* var_s /* var s: Text */;
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+long var3 /* : Int */;
+long var5 /* : Int */;
+long var_sl /* var sl: Int */;
+long var6 /* : Int */;
+long var8 /* : Int */;
+long var9 /* : Int */;
+long var11 /* : Int */;
+long var12 /* : Int */;
+short int var14 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var15 /* : Int */;
+short int var16 /* : Bool */;
+short int var18 /* : Bool */;
+int cltype19;
+int idtype20;
+const char* var_class_name21;
+short int var22 /* : Bool */;
+long var23 /* : Int */;
+long var25 /* : Int */;
+long var26 /* : Int */;
+short int var28 /* : Bool */;
+int cltype29;
+int idtype30;
+const char* var_class_name31;
+long var32 /* : Int */;
+short int var33 /* : Bool */;
+int cltype34;
+int idtype35;
+char* var36 /* : NativeString */;
+char* var38 /* : NativeString */;
+char* var39 /* : NativeString */;
+char* var41 /* : NativeString */;
+long var42 /* : Int */;
+long var44 /* : Int */;
+long var45 /* : Int */;
+long var47 /* : Int */;
+short int var49 /* : Bool */;
+int cltype50;
+int idtype51;
+char* var52 /* : NativeString */;
+char* var54 /* : NativeString */;
+char* var55 /* : NativeString */;
+char* var57 /* : NativeString */;
+long var58 /* : Int */;
+long var59 /* : Int */;
+long var61 /* : Int */;
+long var63 /* : Int */;
+long var65 /* : Int */;
+long var_curr_pos /* var curr_pos: Int */;
+long var66 /* : Int */;
+long var_i /* var i: Int */;
+long var67 /* : Int */;
+long var69 /* : Int */;
+long var_ /* var : Int */;
+short int var70 /* : Bool */;
+short int var72 /* : Bool */;
+int cltype73;
+int idtype74;
+const char* var_class_name75;
+short int var76 /* : Bool */;
+val* var77 /* : SequenceRead[Char] */;
+val* var78 /* : nullable Object */;
+char var79 /* : Char */;
+char var_c /* var c: Char */;
+char* var80 /* : NativeString */;
+char* var82 /* : NativeString */;
+long var84 /* : Int */;
+long var85 /* : Int */;
+short int var87 /* : Bool */;
+int cltype88;
+int idtype89;
+const char* var_class_name90;
+long var91 /* : Int */;
+long var92 /* : Int */;
+long var93 /* : Int */;
+val* var_94 /* var : FlatBuffer */;
+long var95 /* : Int */;
+long var97 /* : Int */;
+long var98 /* : Int */;
+short int var100 /* : Bool */;
+int cltype101;
+int idtype102;
+const char* var_class_name103;
+long var104 /* : Int */;
+var_s = p0;
+{
+var = string__Text__is_empty(var_s);
+}
+if (var){
+goto RET_LABEL;
+} else {
+}
+var1 = 1;
+{
+{ /* Inline string#Buffer#is_dirty= (self,var1) on <self:FlatBuffer> */
+self->attrs[COLOR_string__Buffer___is_dirty].s = var1; /* _is_dirty on <self:FlatBuffer> */
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (var_s) on <var_s:Text> */
+var5 = var_s->attrs[COLOR_string__FlatText___length].l; /* _length on <var_s:Text> */
+var3 = var5;
+RET_LABEL4:(void)0;
+}
+}
+var_sl = var3;
+{
+{ /* Inline string#FlatBuffer#capacity (self) on <self:FlatBuffer> */
+var8 = self->attrs[COLOR_string__FlatBuffer___capacity].l; /* _capacity on <self:FlatBuffer> */
+var6 = var8;
+RET_LABEL7:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var11 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var9 = var11;
+RET_LABEL10:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var9,var_sl) on <var9:Int> */
+/* Covariant cast for argument 0 (i) <var_sl:Int> isa OTHER */
+/* <var_sl:Int> isa OTHER */
+var14 = 1; /* easy <var_sl:Int> isa OTHER*/
+if (unlikely(!var14)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var15 = var9 + var_sl;
+var12 = var15;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#< (var6,var12) on <var6:Int> */
+/* Covariant cast for argument 0 (i) <var12:Int> isa OTHER */
+/* <var12:Int> isa OTHER */
+var18 = 1; /* easy <var12:Int> isa OTHER*/
+if (unlikely(!var18)) {
+var_class_name21 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name21);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var22 = var6 < var12;
+var16 = var22;
+goto RET_LABEL17;
+RET_LABEL17:(void)0;
+}
+}
+if (var16){
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var25 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var23 = var25;
+RET_LABEL24:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var23,var_sl) on <var23:Int> */
+/* Covariant cast for argument 0 (i) <var_sl:Int> isa OTHER */
+/* <var_sl:Int> isa OTHER */
+var28 = 1; /* easy <var_sl:Int> isa OTHER*/
+if (unlikely(!var28)) {
+var_class_name31 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name31);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var32 = var23 + var_sl;
+var26 = var32;
+goto RET_LABEL27;
+RET_LABEL27:(void)0;
+}
+}
+{
+string__FlatBuffer__enlarge(self, var26); /* Direct call string#FlatBuffer#enlarge on <self:FlatBuffer>*/
+}
+} else {
+}
+/* <var_s:Text> isa FlatString */
+cltype34 = type_string__FlatString.color;
+idtype35 = type_string__FlatString.id;
+if(cltype34 >= var_s->type->table_size) {
+var33 = 0;
+} else {
+var33 = var_s->type->type_table[cltype34] == idtype35;
+}
+if (var33){
+{
+{ /* Inline string#FlatText#items (var_s) on <var_s:Text(FlatString)> */
+var38 = var_s->attrs[COLOR_string__FlatText___items].str; /* _items on <var_s:Text(FlatString)> */
+var36 = var38;
+RET_LABEL37:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var41 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var39 = var41;
+RET_LABEL40:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_from (var_s) on <var_s:Text(FlatString)> */
+var44 = var_s->attrs[COLOR_string__FlatString___index_from].l; /* _index_from on <var_s:Text(FlatString)> */
+var42 = var44;
+RET_LABEL43:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var47 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var45 = var47;
+RET_LABEL46:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#copy_to (var36,var39,var_sl,var42,var45) on <var36:NativeString> */
+memmove(var39+var45,var36+var42,var_sl);
+RET_LABEL48:(void)0;
+}
+}
+} else {
+/* <var_s:Text> isa FlatBuffer */
+cltype50 = type_string__FlatBuffer.color;
+idtype51 = type_string__FlatBuffer.id;
+if(cltype50 >= var_s->type->table_size) {
+var49 = 0;
+} else {
+var49 = var_s->type->type_table[cltype50] == idtype51;
+}
+if (var49){
+{
+{ /* Inline string#FlatText#items (var_s) on <var_s:Text(FlatBuffer)> */
+var54 = var_s->attrs[COLOR_string__FlatText___items].str; /* _items on <var_s:Text(FlatBuffer)> */
+var52 = var54;
+RET_LABEL53:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var57 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var55 = var57;
+RET_LABEL56:(void)0;
+}
+}
+var58 = 0;
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var61 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var59 = var61;
+RET_LABEL60:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#copy_to (var52,var55,var_sl,var58,var59) on <var52:NativeString> */
+memmove(var55+var59,var52+var58,var_sl);
+RET_LABEL62:(void)0;
+}
+}
+} else {
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var65 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var63 = var65;
+RET_LABEL64:(void)0;
+}
+}
+var_curr_pos = var63;
+var66 = 0;
+var_i = var66;
+{
+{ /* Inline string#FlatText#length (var_s) on <var_s:Text> */
+var69 = var_s->attrs[COLOR_string__FlatText___length].l; /* _length on <var_s:Text> */
+var67 = var69;
+RET_LABEL68:(void)0;
+}
+}
+var_ = var67;
+for(;;) {
+{
+{ /* Inline kernel#Int#< (var_i,var_) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
+/* <var_:Int> isa OTHER */
+var72 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var72)) {
+var_class_name75 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name75);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var76 = var_i < var_;
+var70 = var76;
+goto RET_LABEL71;
+RET_LABEL71:(void)0;
+}
+}
+if (var70){
+{
+var77 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Text__chars]))(var_s) /* chars on <var_s:Text>*/;
+}
+{
+var78 = ((val* (*)(val*, long))(var77->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var77, var_i) /* [] on <var77:SequenceRead[Char]>*/;
+}
+var79 = ((struct instance_kernel__Char*)var78)->value; /* autounbox from nullable Object to Char */;
+var_c = var79;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var82 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var80 = var82;
+RET_LABEL81:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#[]= (var80,var_curr_pos,var_c) on <var80:NativeString> */
+var80[var_curr_pos]=var_c;
+RET_LABEL83:(void)0;
+}
+}
+var84 = 1;
+{
+{ /* Inline kernel#Int#+ (var_curr_pos,var84) on <var_curr_pos:Int> */
+/* Covariant cast for argument 0 (i) <var84:Int> isa OTHER */
+/* <var84:Int> isa OTHER */
+var87 = 1; /* easy <var84:Int> isa OTHER*/
+if (unlikely(!var87)) {
+var_class_name90 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name90);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var91 = var_curr_pos + var84;
+var85 = var91;
+goto RET_LABEL86;
+RET_LABEL86:(void)0;
+}
+}
+var_curr_pos = var85;
+var92 = 1;
+{
+var93 = kernel__Int__successor(var_i, var92);
+}
+var_i = var93;
+} else {
+goto BREAK_label;
+}
+}
+BREAK_label: (void)0;
+}
+}
+var_94 = self;
+{
+{ /* Inline string#FlatText#length (var_94) on <var_94:FlatBuffer> */
+var97 = var_94->attrs[COLOR_string__FlatText___length].l; /* _length on <var_94:FlatBuffer> */
+var95 = var97;
+RET_LABEL96:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var95,var_sl) on <var95:Int> */
+/* Covariant cast for argument 0 (i) <var_sl:Int> isa OTHER */
+/* <var_sl:Int> isa OTHER */
+var100 = 1; /* easy <var_sl:Int> isa OTHER*/
+if (unlikely(!var100)) {
+var_class_name103 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name103);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var104 = var95 + var_sl;
+var98 = var104;
+goto RET_LABEL99;
+RET_LABEL99:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length= (var_94,var98) on <var_94:FlatBuffer> */
+var_94->attrs[COLOR_string__FlatText___length].l = var98; /* _length on <var_94:FlatBuffer> */
+RET_LABEL105:(void)0;
+}
+}
+RET_LABEL:;
+}
+/* method string#FlatBuffer#append for (self: Object, Text) */
+void VIRTUAL_string__FlatBuffer__append(val* self, val* p0) {
+string__FlatBuffer__append(self, p0); /* Direct call string#FlatBuffer#append on <self:Object(FlatBuffer)>*/
+RET_LABEL:;
+}
+/* method string#FlatBuffer#substring for (self: FlatBuffer, Int, Int): FlatBuffer */
+val* string__FlatBuffer__substring(val* self, long p0, long p1) {
+val* var /* : FlatBuffer */;
+long var_from /* var from: Int */;
+long var_count /* var count: Int */;
+long var1 /* : Int */;
+short int var2 /* : Bool */;
+short int var4 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+short int var5 /* : Bool */;
+long var6 /* : Int */;
+short int var8 /* : Bool */;
+int cltype9;
+int idtype10;
+const char* var_class_name11;
+long var12 /* : Int */;
+long var13 /* : Int */;
+short int var14 /* : Bool */;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
+const char* var_class_name19;
+short int var20 /* : Bool */;
+long var21 /* : Int */;
+long var22 /* : Int */;
+long var24 /* : Int */;
+short int var25 /* : Bool */;
+short int var27 /* : Bool */;
+int cltype28;
+int idtype29;
+const char* var_class_name30;
+short int var31 /* : Bool */;
+long var32 /* : Int */;
+long var34 /* : Int */;
+short int var35 /* : Bool */;
+short int var37 /* : Bool */;
+int cltype38;
+int idtype39;
+const char* var_class_name40;
+short int var41 /* : Bool */;
+val* var42 /* : FlatBuffer */;
+long var43 /* : Int */;
+short int var45 /* : Bool */;
+int cltype46;
+int idtype47;
+const char* var_class_name48;
+long var49 /* : Int */;
+val* var_r /* var r: FlatBuffer */;
+short int var50 /* : Bool */;
+short int var52 /* : Bool */;
+int cltype53;
+int idtype54;
+const char* var_class_name55;
+short int var56 /* : Bool */;
+val* var57 /* : Sequence[Char] */;
+val* var59 /* : Sequence[Char] */;
+char* var60 /* : NativeString */;
+char* var62 /* : NativeString */;
+char var63 /* : Char */;
+char var65 /* : Char */;
+val* var66 /* : nullable Object */;
+long var67 /* : Int */;
+long var68 /* : Int */;
+short int var70 /* : Bool */;
+int cltype71;
+int idtype72;
+const char* var_class_name73;
+long var74 /* : Int */;
+short int var75 /* : Bool */;
+int cltype76;
+int idtype77;
+const struct type* type_struct;
+const char* var_class_name78;
+val* var79 /* : FlatBuffer */;
+short int var80 /* : Bool */;
+int cltype81;
+int idtype82;
+const struct type* type_struct83;
+const char* var_class_name84;
+var_from = p0;
+var_count = p1;
+var1 = 0;
+{
+{ /* Inline kernel#Int#>= (var_count,var1) on <var_count:Int> */
+/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
+/* <var1:Int> isa OTHER */
+var4 = 1; /* easy <var1:Int> isa OTHER*/
+if (unlikely(!var4)) {
+var_class_name = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 372);
+show_backtrace(1);
+}
+var5 = var_count >= var1;
+var2 = var5;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
+}
+}
+if (unlikely(!var2)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1556);
+show_backtrace(1);
+}
+{
+{ /* Inline kernel#Int#+ (var_count,var_from) on <var_count:Int> */
+/* Covariant cast for argument 0 (i) <var_from:Int> isa OTHER */
+/* <var_from:Int> isa OTHER */
+var8 = 1; /* easy <var_from:Int> isa OTHER*/
+if (unlikely(!var8)) {
+var_class_name11 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name11);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
+}
+var12 = var_count + var_from;
+var6 = var12;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
+}
+}
+var_count = var6;
+var13 = 0;
+{
+{ /* Inline kernel#Int#< (var_from,var13) on <var_from:Int> */
+/* Covariant cast for argument 0 (i) <var13:Int> isa OTHER */
+/* <var13:Int> isa OTHER */
+var16 = 1; /* easy <var13:Int> isa OTHER*/
+if (unlikely(!var16)) {
+var_class_name19 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name19);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var20 = var_from < var13;
+var14 = var20;
+goto RET_LABEL15;
+RET_LABEL15:(void)0;
+}
+}
+if (var14){
+var21 = 0;
+var_from = var21;
+} else {
+}
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var24 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var22 = var24;
+RET_LABEL23:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#> (var_count,var22) on <var_count:Int> */
+/* Covariant cast for argument 0 (i) <var22:Int> isa OTHER */
+/* <var22:Int> isa OTHER */
+var27 = 1; /* easy <var22:Int> isa OTHER*/
+if (unlikely(!var27)) {
+var_class_name30 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name30);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 373);
+show_backtrace(1);
+}
+var31 = var_count > var22;
+var25 = var31;
+goto RET_LABEL26;
+RET_LABEL26:(void)0;
+}
+}
+if (var25){
+{
+{ /* Inline string#FlatText#length (self) on <self:FlatBuffer> */
+var34 = self->attrs[COLOR_string__FlatText___length].l; /* _length on <self:FlatBuffer> */
+var32 = var34;
+RET_LABEL33:(void)0;
+}
+}
+var_count = var32;
+} else {
+}
+{
+{ /* Inline kernel#Int#< (var_from,var_count) on <var_from:Int> */
+/* Covariant cast for argument 0 (i) <var_count:Int> isa OTHER */
+/* <var_count:Int> isa OTHER */
+var37 = 1; /* easy <var_count:Int> isa OTHER*/
+if (unlikely(!var37)) {
+var_class_name40 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name40);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var41 = var_from < var_count;
+var35 = var41;
+goto RET_LABEL36;
+RET_LABEL36:(void)0;
+}
+}
+if (var35){
+var42 = NEW_string__FlatBuffer(&type_string__FlatBuffer);
+{
+{ /* Inline kernel#Int#- (var_count,var_from) on <var_count:Int> */
+/* Covariant cast for argument 0 (i) <var_from:Int> isa OTHER */
+/* <var_from:Int> isa OTHER */
+var45 = 1; /* easy <var_from:Int> isa OTHER*/
+if (unlikely(!var45)) {
+var_class_name48 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name48);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 377);
+show_backtrace(1);
+}
+var49 = var_count - var_from;
+var43 = var49;
+goto RET_LABEL44;
+RET_LABEL44:(void)0;
+}
+}
+{
+string__FlatBuffer__with_capacity(var42, var43); /* Direct call string#FlatBuffer#with_capacity on <var42:FlatBuffer>*/
+}
+var_r = var42;
 for(;;) {
-var14 = ((short int (*)(val*))(var13->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var13) /* is_ok on <var13:Iterator[nullable Object]>*/;
-if(!var14) break;
-var15 = ((val* (*)(val*))(var13->class->vft[COLOR_abstract_collection__Iterator__item]))(var13) /* item on <var13:Iterator[nullable Object]>*/;
-var16 = ((struct instance_kernel__Int*)var15)->value; /* autounbox from nullable Object to Int */;
-var_i = var16;
-var17 = 10.0;
-{ /* Inline kernel#Float#* (var_f,var17) */
-var20 = var_f * var17;
-var18 = var20;
-goto RET_LABEL19;
-RET_LABEL19:(void)0;
+{
+{ /* Inline kernel#Int#< (var_from,var_count) on <var_from:Int> */
+/* Covariant cast for argument 0 (i) <var_count:Int> isa OTHER */
+/* <var_count:Int> isa OTHER */
+var52 = 1; /* easy <var_count:Int> isa OTHER*/
+if (unlikely(!var52)) {
+var_class_name55 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name55);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
 }
-var_f = var18;
-CONTINUE_label: (void)0;
-((void (*)(val*))(var13->class->vft[COLOR_abstract_collection__Iterator__next]))(var13) /* next on <var13:Iterator[nullable Object]>*/;
+var56 = var_from < var_count;
+var50 = var56;
+goto RET_LABEL51;
+RET_LABEL51:(void)0;
 }
-BREAK_label: (void)0;
-var21 = 0.0;
-{ /* Inline kernel#Float#> (self,var21) */
-var24 = self > var21;
-var22 = var24;
-goto RET_LABEL23;
-RET_LABEL23:(void)0;
 }
-if (var22){
-var25 = 0.5;
-{ /* Inline kernel#Float#+ (var_f,var25) */
-var28 = var_f + var25;
-var26 = var28;
-goto RET_LABEL27;
-RET_LABEL27:(void)0;
+if (var50){
+{
+{ /* Inline string#FlatBuffer#chars (var_r) on <var_r:FlatBuffer> */
+var59 = var_r->attrs[COLOR_string__FlatBuffer___chars].val; /* _chars on <var_r:FlatBuffer> */
+if (unlikely(var59 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1406);
+show_backtrace(1);
 }
-var_f = var26;
-} else {
-var29 = 0.5;
-{ /* Inline kernel#Float#- (var_f,var29) */
-var32 = var_f - var29;
-var30 = var32;
-goto RET_LABEL31;
-RET_LABEL31:(void)0;
+var57 = var59;
+RET_LABEL58:(void)0;
 }
-var_f = var30;
 }
-{ /* Inline kernel#Float#to_i (var_f) */
-var35 = (long)var_f;
-var33 = var35;
-goto RET_LABEL34;
-RET_LABEL34:(void)0;
+{
+{ /* Inline string#FlatText#items (self) on <self:FlatBuffer> */
+var62 = self->attrs[COLOR_string__FlatText___items].str; /* _items on <self:FlatBuffer> */
+var60 = var62;
+RET_LABEL61:(void)0;
 }
-var_i36 = var33;
-var37 = 0;
-{ /* Inline kernel#Int#== (var_i36,var37) */
-var40 = var_i36 == var37;
-var38 = var40;
-goto RET_LABEL39;
-RET_LABEL39:(void)0;
 }
-if (var38){
-if (varonce) {
-var41 = varonce;
-} else {
-var42 = "0.0";
-var43 = 3;
-var44 = string__NativeString__to_s_with_length(var42, var43);
-var41 = var44;
-varonce = var41;
+{
+{ /* Inline string#NativeString#[] (var60,var_from) on <var60:NativeString> */
+var65 = var60[var_from];
+var63 = var65;
+goto RET_LABEL64;
+RET_LABEL64:(void)0;
 }
-var = var41;
-goto RET_LABEL;
-} else {
 }
-var45 = string__Int__to_s(var_i36);
-var_s = var45;
-var46 = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:String>*/;
-var_sl = var46;
-{ /* Inline kernel#Int#> (var_sl,var_nb) */
-/* Covariant cast for argument 0 (i) <var_nb:Int> isa OTHER */
-/* <var_nb:Int> isa OTHER */
-var49 = 1; /* easy <var_nb:Int> isa OTHER*/
-if (!var49) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 263);
+{
+var66 = BOX_kernel__Char(var63); /* autobox from Char to nullable Object */
+((void (*)(val*, val*))(var57->class->vft[COLOR_abstract_collection__Sequence__push]))(var57, var66) /* push on <var57:Sequence[Char]>*/;
+}
+var67 = 1;
+{
+{ /* Inline kernel#Int#+ (var_from,var67) on <var_from:Int> */
+/* Covariant cast for argument 0 (i) <var67:Int> isa OTHER */
+/* <var67:Int> isa OTHER */
+var70 = 1; /* easy <var67:Int> isa OTHER*/
+if (unlikely(!var70)) {
+var_class_name73 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name73);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
 show_backtrace(1);
 }
-var50 = var_sl > var_nb;
-var47 = var50;
-goto RET_LABEL48;
-RET_LABEL48:(void)0;
-}
-if (var47){
-var51 = 0;
-var52 = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:String>*/;
-{ /* Inline kernel#Int#- (var52,var_nb) */
-var55 = var52 - var_nb;
-var53 = var55;
-goto RET_LABEL54;
-RET_LABEL54:(void)0;
+var74 = var_from + var67;
+var68 = var74;
+goto RET_LABEL69;
+RET_LABEL69:(void)0;
 }
-var56 = ((val* (*)(val*, long, long))(var_s->class->vft[COLOR_string__AbstractString__substring]))(var_s, var51, var53) /* substring on <var_s:String>*/;
-var_p1 = var56;
-var57 = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:String>*/;
-{ /* Inline kernel#Int#- (var57,var_nb) */
-var60 = var57 - var_nb;
-var58 = var60;
-goto RET_LABEL59;
-RET_LABEL59:(void)0;
-}
-var61 = ((val* (*)(val*, long, long))(var_s->class->vft[COLOR_string__AbstractString__substring]))(var_s, var58, var_nb) /* substring on <var_s:String>*/;
-var_p2 = var61;
-if (varonce62) {
-var63 = varonce62;
-} else {
-var64 = ".";
-var65 = 1;
-var66 = string__NativeString__to_s_with_length(var64, var65);
-var63 = var66;
-varonce62 = var63;
 }
-var67 = ((val* (*)(val*, val*))(var_p1->class->vft[COLOR_string__String___43d]))(var_p1, var63) /* + on <var_p1:String>*/;
-var68 = ((val* (*)(val*, val*))(var67->class->vft[COLOR_string__String___43d]))(var67, var_p2) /* + on <var67:String>*/;
-var = var68;
-goto RET_LABEL;
+var_from = var68;
 } else {
-if (varonce69) {
-var70 = varonce69;
-} else {
-var71 = "0.";
-var72 = 2;
-var73 = string__NativeString__to_s_with_length(var71, var72);
-var70 = var73;
-varonce69 = var70;
+goto BREAK_label;
 }
-if (varonce74) {
-var75 = varonce74;
-} else {
-var76 = "0";
-var77 = 1;
-var78 = string__NativeString__to_s_with_length(var76, var77);
-var75 = var78;
-varonce74 = var75;
 }
-{ /* Inline kernel#Int#- (var_nb,var_sl) */
-var81 = var_nb - var_sl;
-var79 = var81;
-goto RET_LABEL80;
-RET_LABEL80:(void)0;
+BREAK_label: (void)0;
+/* <var_r:FlatBuffer> isa SELFTYPE */
+type_struct = self->type->resolution_table->types[COLOR_string__Text_VTSELFTYPE];
+cltype76 = type_struct->color;
+idtype77 = type_struct->id;
+if(cltype76 >= var_r->type->table_size) {
+var75 = 0;
+} else {
+var75 = var_r->type->type_table[cltype76] == idtype77;
+}
+if (unlikely(!var75)) {
+var_class_name78 = var_r == NULL ? "null" : var_r->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name78);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1566);
+show_backtrace(1);
 }
-var82 = ((val* (*)(val*, long))(var75->class->vft[COLOR_string__String___42d]))(var75, var79) /* * on <var75:String>*/;
-var83 = ((val* (*)(val*, val*))(var70->class->vft[COLOR_string__String___43d]))(var70, var82) /* + on <var70:String>*/;
-var84 = ((val* (*)(val*, val*))(var83->class->vft[COLOR_string__String___43d]))(var83, var_s) /* + on <var83:String>*/;
-var = var84;
+var = var_r;
 goto RET_LABEL;
+} else {
+var79 = NEW_string__FlatBuffer(&type_string__FlatBuffer);
+{
+((void (*)(val*))(var79->class->vft[COLOR_kernel__Object__init]))(var79) /* init on <var79:FlatBuffer>*/;
 }
-RET_LABEL:;
-return var;
-}
-/* method string#Float#to_precision for (self: Object, Int): String */
-val* VIRTUAL_string__Float__to_precision(val* self, long p0) {
-val* var /* : String */;
-val* var1 /* : String */;
-double var2 /* : Float */;
-var2 = ((struct instance_kernel__Float*)self)->value; /* autounbox from Object to Float */;
-var1 = string__Float__to_precision(var2, p0);
-var = var1;
-RET_LABEL:;
-return var;
+/* <var79:FlatBuffer> isa SELFTYPE */
+type_struct83 = self->type->resolution_table->types[COLOR_string__Text_VTSELFTYPE];
+cltype81 = type_struct83->color;
+idtype82 = type_struct83->id;
+if(cltype81 >= var79->type->table_size) {
+var80 = 0;
+} else {
+var80 = var79->type->type_table[cltype81] == idtype82;
 }
-/* method string#Float#to_precision_native for (self: Float, Int): String */
-val* string__Float__to_precision_native(double self, long p0) {
-val* var /* : String */;
-fprintf(stderr, "NOT YET IMPLEMENTED nitni for string#Float#to_precision_native at lib/standard/string.nit:946,2--955,3\n");
+if (unlikely(!var80)) {
+var_class_name84 = var79 == NULL ? "null" : var79->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "SELFTYPE", var_class_name84);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1568);
 show_backtrace(1);
-RET_LABEL:;
-return var;
-}
-/* method string#Float#to_precision_native for (self: Object, Int): String */
-val* VIRTUAL_string__Float__to_precision_native(val* self, long p0) {
-val* var /* : String */;
-val* var1 /* : String */;
-double var2 /* : Float */;
-var2 = ((struct instance_kernel__Float*)self)->value; /* autounbox from Object to Float */;
-var1 = string__Float__to_precision_native(var2, p0);
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#Char#to_s for (self: Char): String */
-val* string__Char__to_s(char self) {
-val* var /* : String */;
-val* var1 /* : Buffer */;
-long var2 /* : Int */;
-val* var_s /* var s: Buffer */;
-long var3 /* : Int */;
-val* var4 /* : nullable Object */;
-val* var5 /* : String */;
-var1 = NEW_string__Buffer(&type_string__Buffer);
-var2 = 1;
-((void (*)(val*, long))(var1->class->vft[COLOR_string__Buffer__with_capacity]))(var1, var2) /* with_capacity on <var1:Buffer>*/;
-var_s = var1;
-var3 = 0;
-var4 = BOX_kernel__Char(self); /* autobox from Char to nullable Object */
-((void (*)(val*, long, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence___91d_93d_61d]))(var_s, var3, var4) /* []= on <var_s:Buffer>*/;
-var5 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var5;
+var = var79;
 goto RET_LABEL;
+}
 RET_LABEL:;
 return var;
 }
-/* method string#Char#to_s for (self: Object): String */
-val* VIRTUAL_string__Char__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-char var2 /* : Char */;
-var2 = ((struct instance_kernel__Char*)self)->value; /* autounbox from Object to Char */;
-var1 = string__Char__to_s(var2);
+/* method string#FlatBuffer#substring for (self: Object, Int, Int): Text */
+val* VIRTUAL_string__FlatBuffer__substring(val* self, long p0, long p1) {
+val* var /* : Text */;
+val* var1 /* : FlatBuffer */;
+var1 = string__FlatBuffer__substring(self, p0, p1);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#Char#is_numeric for (self: Char): Bool */
-short int string__Char__is_numeric(char self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-char var2 /* : Char */;
-short int var3 /* : Bool */;
-short int var5 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var6 /* : Bool */;
-short int var_ /* var : Bool */;
+/* method string#FlatBufferCharView#[] for (self: FlatBufferCharView, Int): Char */
+char string__FlatBufferCharView___91d_93d(val* self, long p0) {
+char var /* : Char */;
+long var_index /* var index: Int */;
+val* var1 /* : Text */;
+val* var3 /* : Text */;
+char* var4 /* : NativeString */;
+char* var6 /* : NativeString */;
 char var7 /* : Char */;
-short int var8 /* : Bool */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
-const char* var_class_name13;
-short int var14 /* : Bool */;
-short int var15 /* : Bool */;
-short int var16 /* : Bool */;
-var2 = '0';
-{ /* Inline kernel#Char#>= (self,var2) */
-/* Covariant cast for argument 0 (i) <var2:Char> isa OTHER */
-/* <var2:Char> isa OTHER */
-var5 = 1; /* easy <var2:Char> isa OTHER*/
-if (!var5) {
-var_class_name = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 438);
+char var9 /* : Char */;
+var_index = p0;
+{
+{ /* Inline string#StringCharView#target (self) on <self:FlatBufferCharView> */
+var3 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:FlatBufferCharView> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
 show_backtrace(1);
 }
-var6 = self >= var2;
-var3 = var6;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-var_ = var3;
-if (var3){
-var7 = '9';
-{ /* Inline kernel#Char#<= (self,var7) */
-/* Covariant cast for argument 0 (i) <var7:Char> isa OTHER */
-/* <var7:Char> isa OTHER */
-var10 = 1; /* easy <var7:Char> isa OTHER*/
-if (!var10) {
-var_class_name13 = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name13);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 436);
-show_backtrace(1);
-}
-var14 = self <= var7;
-var8 = var14;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
 }
-var1 = var8;
-} else {
-var1 = var_;
+{
+{ /* Inline string#FlatText#items (var1) on <var1:Text(FlatBuffer)> */
+var6 = var1->attrs[COLOR_string__FlatText___items].str; /* _items on <var1:Text(FlatBuffer)> */
+var4 = var6;
+RET_LABEL5:(void)0;
 }
-if (var1){
-var15 = 1;
-var = var15;
-goto RET_LABEL;
-} else {
 }
-var16 = 0;
-var = var16;
+{
+{ /* Inline string#NativeString#[] (var4,var_index) on <var4:NativeString> */
+var9 = var4[var_index];
+var7 = var9;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
+}
+}
+var = var7;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#Char#is_numeric for (self: Object): Bool */
-short int VIRTUAL_string__Char__is_numeric(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-char var2 /* : Char */;
-var2 = ((struct instance_kernel__Char*)self)->value; /* autounbox from Object to Char */;
-var1 = string__Char__is_numeric(var2);
-var = var1;
+/* method string#FlatBufferCharView#[] for (self: Object, Int): nullable Object */
+val* VIRTUAL_string__FlatBufferCharView___91d_93d(val* self, long p0) {
+val* var /* : nullable Object */;
+char var1 /* : Char */;
+val* var2 /* : nullable Object */;
+var1 = string__FlatBufferCharView___91d_93d(self, p0);
+var2 = BOX_kernel__Char(var1); /* autobox from Char to nullable Object */
+var = var2;
 RET_LABEL:;
 return var;
 }
-/* method string#Char#is_alpha for (self: Char): Bool */
-short int string__Char__is_alpha(char self) {
+/* method string#FlatBufferCharView#[]= for (self: FlatBufferCharView, Int, Char) */
+void string__FlatBufferCharView___91d_93d_61d(val* self, long p0, char p1) {
 short int var /* : Bool */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-char var3 /* : Char */;
-short int var4 /* : Bool */;
-short int var6 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var7 /* : Bool */;
-short int var_ /* var : Bool */;
-char var8 /* : Char */;
+long var_index /* var index: Int */;
+char var_item /* var item: Char */;
+short int var1 /* : Bool */;
+long var2 /* : Int */;
+short int var3 /* : Bool */;
+short int var5 /* : Bool */;
+int cltype6;
+int idtype7;
+const char* var_class_name8;
 short int var9 /* : Bool */;
+short int var_ /* var : Bool */;
+long var10 /* : Int */;
 short int var11 /* : Bool */;
-int cltype12;
-int idtype13;
-const char* var_class_name14;
-short int var15 /* : Bool */;
-short int var_16 /* var : Bool */;
+short int var13 /* : Bool */;
+int cltype14;
+int idtype15;
+const char* var_class_name16;
 short int var17 /* : Bool */;
-char var18 /* : Char */;
+long var18 /* : Int */;
 short int var19 /* : Bool */;
-short int var21 /* : Bool */;
-int cltype22;
-int idtype23;
-const char* var_class_name24;
-short int var25 /* : Bool */;
-short int var_26 /* var : Bool */;
-char var27 /* : Char */;
-short int var28 /* : Bool */;
-short int var30 /* : Bool */;
-int cltype31;
-int idtype32;
-const char* var_class_name33;
-short int var34 /* : Bool */;
-short int var35 /* : Bool */;
-short int var36 /* : Bool */;
-var3 = 'a';
-{ /* Inline kernel#Char#>= (self,var3) */
-/* Covariant cast for argument 0 (i) <var3:Char> isa OTHER */
-/* <var3:Char> isa OTHER */
-var6 = 1; /* easy <var3:Char> isa OTHER*/
-if (!var6) {
+short int var20 /* : Bool */;
+short int var22 /* : Bool */;
+val* var23 /* : Text */;
+val* var25 /* : Text */;
+char* var26 /* : NativeString */;
+char* var28 /* : NativeString */;
+/* Covariant cast for argument 1 (item) <p1:Char> isa E */
+/* <p1:Char> isa E */
+var = 1; /* easy <p1:Char> isa E*/
+if (unlikely(!var)) {
 var_class_name = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 438);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "E", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1652);
 show_backtrace(1);
 }
-var7 = self >= var3;
-var4 = var7;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
-}
-var_ = var4;
-if (var4){
-var8 = 'z';
-{ /* Inline kernel#Char#<= (self,var8) */
-/* Covariant cast for argument 0 (i) <var8:Char> isa OTHER */
-/* <var8:Char> isa OTHER */
-var11 = 1; /* easy <var8:Char> isa OTHER*/
-if (!var11) {
-var_class_name14 = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name14);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 436);
-show_backtrace(1);
-}
-var15 = self <= var8;
-var9 = var15;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
-}
-var2 = var9;
-} else {
-var2 = var_;
-}
-var_16 = var2;
-if (var2){
-var1 = var_16;
-} else {
-var18 = 'A';
-{ /* Inline kernel#Char#>= (self,var18) */
-/* Covariant cast for argument 0 (i) <var18:Char> isa OTHER */
-/* <var18:Char> isa OTHER */
-var21 = 1; /* easy <var18:Char> isa OTHER*/
-if (!var21) {
-var_class_name24 = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name24);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 438);
+var_index = p0;
+var_item = p1;
+var2 = 0;
+{
+{ /* Inline kernel#Int#>= (var_index,var2) on <var_index:Int> */
+/* Covariant cast for argument 0 (i) <var2:Int> isa OTHER */
+/* <var2:Int> isa OTHER */
+var5 = 1; /* easy <var2:Int> isa OTHER*/
+if (unlikely(!var5)) {
+var_class_name8 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name8);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 372);
 show_backtrace(1);
 }
-var25 = self >= var18;
-var19 = var25;
-goto RET_LABEL20;
-RET_LABEL20:(void)0;
-}
-var_26 = var19;
-if (var19){
-var27 = 'Z';
-{ /* Inline kernel#Char#<= (self,var27) */
-/* Covariant cast for argument 0 (i) <var27:Char> isa OTHER */
-/* <var27:Char> isa OTHER */
-var30 = 1; /* easy <var27:Char> isa OTHER*/
-if (!var30) {
-var_class_name33 = type_kernel__Char.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name33);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 436);
-show_backtrace(1);
-}
-var34 = self <= var27;
-var28 = var34;
-goto RET_LABEL29;
-RET_LABEL29:(void)0;
-}
-var17 = var28;
-} else {
-var17 = var_26;
-}
-var1 = var17;
-}
-if (var1){
-var35 = 1;
-var = var35;
-goto RET_LABEL;
-} else {
-}
-var36 = 0;
-var = var36;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method string#Char#is_alpha for (self: Object): Bool */
-short int VIRTUAL_string__Char__is_alpha(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-char var2 /* : Char */;
-var2 = ((struct instance_kernel__Char*)self)->value; /* autounbox from Object to Char */;
-var1 = string__Char__is_alpha(var2);
-var = var1;
-RET_LABEL:;
-return var;
+var9 = var_index >= var2;
+var3 = var9;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
 }
-/* method string#Char#is_alphanumeric for (self: Char): Bool */
-short int string__Char__is_alphanumeric(char self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-short int var_ /* var : Bool */;
-short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-short int var5 /* : Bool */;
-var2 = string__Char__is_numeric(self);
-var_ = var2;
-if (var2){
-var1 = var_;
-} else {
-var3 = string__Char__is_alpha(self);
-var1 = var3;
 }
-if (var1){
-var4 = 1;
-var = var4;
-goto RET_LABEL;
-} else {
+var_ = var3;
+if (var3){
+{
+var10 = string__StringCharView__length(self);
 }
-var5 = 0;
-var = var5;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+{
+{ /* Inline kernel#Int#<= (var_index,var10) on <var_index:Int> */
+/* Covariant cast for argument 0 (i) <var10:Int> isa OTHER */
+/* <var10:Int> isa OTHER */
+var13 = 1; /* easy <var10:Int> isa OTHER*/
+if (unlikely(!var13)) {
+var_class_name16 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name16);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 370);
+show_backtrace(1);
 }
-/* method string#Char#is_alphanumeric for (self: Object): Bool */
-short int VIRTUAL_string__Char__is_alphanumeric(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-char var2 /* : Char */;
-var2 = ((struct instance_kernel__Char*)self)->value; /* autounbox from Object to Char */;
-var1 = string__Char__is_alphanumeric(var2);
-var = var1;
-RET_LABEL:;
-return var;
+var17 = var_index <= var10;
+var11 = var17;
+goto RET_LABEL12;
+RET_LABEL12:(void)0;
 }
-/* method string#Collection#to_s for (self: Collection[nullable Object]): String */
-val* string__Collection__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : Buffer */;
-val* var_s /* var s: Buffer */;
-val* var2 /* : Iterator[nullable Object] */;
-short int var3 /* : Bool */;
-val* var4 /* : nullable Object */;
-val* var_e /* var e: nullable Object */;
-val* var5 /* : null */;
-short int var6 /* : Bool */;
-val* var7 /* : String */;
-val* var8 /* : String */;
-var1 = NEW_string__Buffer(&type_string__Buffer);
-((void (*)(val*))(var1->class->vft[COLOR_string__Buffer__init]))(var1) /* init on <var1:Buffer>*/;
-var_s = var1;
-var2 = ((val* (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__iterator]))(self) /* iterator on <self:Collection[nullable Object]>*/;
-for(;;) {
-var3 = ((short int (*)(val*))(var2->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var2) /* is_ok on <var2:Iterator[nullable Object]>*/;
-if(!var3) break;
-var4 = ((val* (*)(val*))(var2->class->vft[COLOR_abstract_collection__Iterator__item]))(var2) /* item on <var2:Iterator[nullable Object]>*/;
-var_e = var4;
-var5 = NULL;
-if (var_e == NULL) {
-var6 = 0; /* is null */
-} else {
-var6 = 1; /* arg is null and recv is not */
 }
-if (var6){
-if (var_e == NULL) {
-fprintf(stderr, "Runtime error: %s", "Reciever is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 997);
-show_backtrace(1);
+var1 = var11;
 } else {
-var7 = ((val* (*)(val*))(var_e->class->vft[COLOR_string__Object__to_s]))(var_e) /* to_s on <var_e:nullable Object>*/;
+var1 = var_;
 }
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence__append]))(var_s, var7) /* append on <var_s:Buffer>*/;
-} else {
+if (unlikely(!var1)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1654);
+show_backtrace(1);
 }
-CONTINUE_label: (void)0;
-((void (*)(val*))(var2->class->vft[COLOR_abstract_collection__Iterator__next]))(var2) /* next on <var2:Iterator[nullable Object]>*/;
+{
+var18 = string__StringCharView__length(self);
 }
-BREAK_label: (void)0;
-var8 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var8;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+{
+{ /* Inline kernel#Int#== (var_index,var18) on <var_index:Int> */
+var22 = var_index == var18;
+var20 = var22;
+goto RET_LABEL21;
+RET_LABEL21:(void)0;
 }
-/* method string#Collection#to_s for (self: Object): String */
-val* VIRTUAL_string__Collection__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__Collection__to_s(self);
-var = var1;
-RET_LABEL:;
-return var;
+var19 = var20;
 }
-/* method string#Collection#join for (self: Collection[nullable Object], String): String */
-val* string__Collection__join(val* self, val* p0) {
-val* var /* : String */;
-val* var_sep /* var sep: String */;
-short int var1 /* : Bool */;
-static val* varonce;
-val* var2 /* : String */;
-char* var3 /* : NativeString */;
-long var4 /* : Int */;
-val* var5 /* : String */;
-val* var6 /* : Buffer */;
-val* var_s /* var s: Buffer */;
-val* var7 /* : Iterator[nullable Object] */;
-val* var_i /* var i: Iterator[nullable Object] */;
-val* var8 /* : nullable Object */;
-val* var_e /* var e: nullable Object */;
-val* var9 /* : null */;
-short int var10 /* : Bool */;
-val* var11 /* : String */;
-short int var12 /* : Bool */;
-val* var13 /* : nullable Object */;
-val* var14 /* : null */;
-short int var15 /* : Bool */;
-val* var16 /* : String */;
-val* var17 /* : String */;
-var_sep = p0;
-var1 = ((short int (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__is_empty]))(self) /* is_empty on <self:Collection[nullable Object]>*/;
-if (var1){
-if (varonce) {
-var2 = varonce;
-} else {
-var3 = "";
-var4 = 0;
-var5 = string__NativeString__to_s_with_length(var3, var4);
-var2 = var5;
-varonce = var2;
+if (var19){
+{
+string__FlatBufferCharView__add(self, var_item); /* Direct call string#FlatBufferCharView#add on <self:FlatBufferCharView>*/
 }
-var = var2;
 goto RET_LABEL;
 } else {
 }
-var6 = NEW_string__Buffer(&type_string__Buffer);
-((void (*)(val*))(var6->class->vft[COLOR_string__Buffer__init]))(var6) /* init on <var6:Buffer>*/;
-var_s = var6;
-var7 = ((val* (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__iterator]))(self) /* iterator on <self:Collection[nullable Object]>*/;
-var_i = var7;
-var8 = ((val* (*)(val*))(var_i->class->vft[COLOR_abstract_collection__Iterator__item]))(var_i) /* item on <var_i:Iterator[nullable Object]>*/;
-var_e = var8;
-var9 = NULL;
-if (var_e == NULL) {
-var10 = 0; /* is null */
-} else {
-var10 = 1; /* arg is null and recv is not */
-}
-if (var10){
-if (var_e == NULL) {
-fprintf(stderr, "Runtime error: %s", "Reciever is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 1014);
+{
+{ /* Inline string#StringCharView#target (self) on <self:FlatBufferCharView> */
+var25 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:FlatBufferCharView> */
+if (unlikely(var25 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
 show_backtrace(1);
-} else {
-var11 = ((val* (*)(val*))(var_e->class->vft[COLOR_string__Object__to_s]))(var_e) /* to_s on <var_e:nullable Object>*/;
 }
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence__append]))(var_s, var11) /* append on <var_s:Buffer>*/;
-} else {
+var23 = var25;
+RET_LABEL24:(void)0;
 }
-((void (*)(val*))(var_i->class->vft[COLOR_abstract_collection__Iterator__next]))(var_i) /* next on <var_i:Iterator[nullable Object]>*/;
-for(;;) {
-var12 = ((short int (*)(val*))(var_i->class->vft[COLOR_abstract_collection__Iterator__is_ok]))(var_i) /* is_ok on <var_i:Iterator[nullable Object]>*/;
-if (!var12) break;
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence__append]))(var_s, var_sep) /* append on <var_s:Buffer>*/;
-var13 = ((val* (*)(val*))(var_i->class->vft[COLOR_abstract_collection__Iterator__item]))(var_i) /* item on <var_i:Iterator[nullable Object]>*/;
-var_e = var13;
-var14 = NULL;
-if (var_e == NULL) {
-var15 = 0; /* is null */
-} else {
-var15 = 1; /* arg is null and recv is not */
 }
-if (var15){
-if (var_e == NULL) {
-fprintf(stderr, "Runtime error: %s", "Reciever is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 1021);
-show_backtrace(1);
-} else {
-var16 = ((val* (*)(val*))(var_e->class->vft[COLOR_string__Object__to_s]))(var_e) /* to_s on <var_e:nullable Object>*/;
+{
+{ /* Inline string#FlatText#items (var23) on <var23:Text(FlatBuffer)> */
+var28 = var23->attrs[COLOR_string__FlatText___items].str; /* _items on <var23:Text(FlatBuffer)> */
+var26 = var28;
+RET_LABEL27:(void)0;
 }
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence__append]))(var_s, var16) /* append on <var_s:Buffer>*/;
-} else {
 }
-((void (*)(val*))(var_i->class->vft[COLOR_abstract_collection__Iterator__next]))(var_i) /* next on <var_i:Iterator[nullable Object]>*/;
-CONTINUE_label: (void)0;
+{
+{ /* Inline string#NativeString#[]= (var26,var_index,var_item) on <var26:NativeString> */
+var26[var_index]=var_item;
+RET_LABEL29:(void)0;
+}
 }
-BREAK_label: (void)0;
-var17 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var17;
-goto RET_LABEL;
 RET_LABEL:;
-return var;
 }
-/* method string#Collection#join for (self: Object, String): String */
-val* VIRTUAL_string__Collection__join(val* self, val* p0) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__Collection__join(self, p0);
-var = var1;
+/* method string#FlatBufferCharView#[]= for (self: Object, Int, nullable Object) */
+void VIRTUAL_string__FlatBufferCharView___91d_93d_61d(val* self, long p0, val* p1) {
+char var /* : Char */;
+var = ((struct instance_kernel__Char*)p1)->value; /* autounbox from nullable Object to Char */;
+string__FlatBufferCharView___91d_93d_61d(self, p0, var); /* Direct call string#FlatBufferCharView#[]= on <self:Object(FlatBufferCharView)>*/
 RET_LABEL:;
-return var;
 }
-/* method string#Array#to_s for (self: Array[nullable Object]): String */
-val* string__Array__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : Buffer */;
-val* var_s /* var s: Buffer */;
-long var2 /* : Int */;
-long var_i /* var i: Int */;
-long var3 /* : Int */;
-long var_l /* var l: Int */;
-short int var4 /* : Bool */;
-short int var6 /* : Bool */;
+/* method string#FlatBufferCharView#push for (self: FlatBufferCharView, Char) */
+void string__FlatBufferCharView__push(val* self, char p0) {
+short int var /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var7 /* : Bool */;
-val* var8 /* : nullable Object */;
-val* var_e /* var e: nullable Object */;
-val* var9 /* : null */;
-short int var10 /* : Bool */;
-val* var11 /* : String */;
-long var12 /* : Int */;
-long var13 /* : Int */;
-long var15 /* : Int */;
-val* var16 /* : String */;
-var1 = NEW_string__Buffer(&type_string__Buffer);
-((void (*)(val*))(var1->class->vft[COLOR_string__Buffer__init]))(var1) /* init on <var1:Buffer>*/;
-var_s = var1;
-var2 = 0;
-var_i = var2;
-var3 = ((long (*)(val*))(self->class->vft[COLOR_abstract_collection__Collection__length]))(self) /* length on <self:Array[nullable Object]>*/;
-var_l = var3;
-for(;;) {
-{ /* Inline kernel#Int#< (var_i,var_l) */
-/* Covariant cast for argument 0 (i) <var_l:Int> isa OTHER */
-/* <var_l:Int> isa OTHER */
-var6 = 1; /* easy <var_l:Int> isa OTHER*/
-if (!var6) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
+char var_c /* var c: Char */;
+val* var1 /* : Text */;
+val* var3 /* : Text */;
+/* Covariant cast for argument 0 (c) <p0:Char> isa E */
+/* <p0:Char> isa E */
+var = 1; /* easy <p0:Char> isa E*/
+if (unlikely(!var)) {
+var_class_name = type_kernel__Char.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "E", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1662);
 show_backtrace(1);
 }
-var7 = var_i < var_l;
-var4 = var7;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
-}
-if (!var4) break;
-var8 = ((val* (*)(val*, long))(self->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(self, var_i) /* [] on <self:Array[nullable Object]>*/;
-var_e = var8;
-var9 = NULL;
-if (var_e == NULL) {
-var10 = 0; /* is null */
-} else {
-var10 = 1; /* arg is null and recv is not */
-}
-if (var10){
-if (var_e == NULL) {
-fprintf(stderr, "Runtime error: %s", "Reciever is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 1037);
+var_c = p0;
+{
+{ /* Inline string#StringCharView#target (self) on <self:FlatBufferCharView> */
+var3 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:FlatBufferCharView> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
 show_backtrace(1);
-} else {
-var11 = ((val* (*)(val*))(var_e->class->vft[COLOR_string__Object__to_s]))(var_e) /* to_s on <var_e:nullable Object>*/;
 }
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence__append]))(var_s, var11) /* append on <var_s:Buffer>*/;
-} else {
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-var12 = 1;
-{ /* Inline kernel#Int#+ (var_i,var12) */
-var15 = var_i + var12;
-var13 = var15;
-goto RET_LABEL14;
-RET_LABEL14:(void)0;
 }
-var_i = var13;
-CONTINUE_label: (void)0;
+{
+string__FlatBuffer__add(var1, var_c); /* Direct call string#FlatBuffer#add on <var1:Text(FlatBuffer)>*/
 }
-BREAK_label: (void)0;
-var16 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var16;
-goto RET_LABEL;
 RET_LABEL:;
-return var;
 }
-/* method string#Array#to_s for (self: Object): String */
-val* VIRTUAL_string__Array__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__Array__to_s(self);
-var = var1;
+/* method string#FlatBufferCharView#push for (self: Object, nullable Object) */
+void VIRTUAL_string__FlatBufferCharView__push(val* self, val* p0) {
+char var /* : Char */;
+var = ((struct instance_kernel__Char*)p0)->value; /* autounbox from nullable Object to Char */;
+string__FlatBufferCharView__push(self, var); /* Direct call string#FlatBufferCharView#push on <self:Object(FlatBufferCharView)>*/
 RET_LABEL:;
-return var;
 }
-/* method string#Map#join for (self: Map[Object, nullable Object], String, String): String */
-val* string__Map__join(val* self, val* p0, val* p1) {
-val* var /* : String */;
-val* var_sep /* var sep: String */;
-val* var_couple_sep /* var couple_sep: String */;
-short int var1 /* : Bool */;
-static val* varonce;
-val* var2 /* : String */;
-char* var3 /* : NativeString */;
-long var4 /* : Int */;
-val* var5 /* : String */;
-val* var6 /* : Buffer */;
-val* var_s /* var s: Buffer */;
-val* var7 /* : MapIterator[Object, nullable Object] */;
-val* var_i /* var i: MapIterator[Object, nullable Object] */;
-val* var8 /* : Object */;
-val* var_k /* var k: Object */;
-val* var9 /* : nullable Object */;
-val* var_e /* var e: nullable Object */;
-val* var10 /* : Object */;
-static val* varonce11;
-val* var12 /* : String */;
-char* var13 /* : NativeString */;
-long var14 /* : Int */;
-val* var15 /* : String */;
-val* var16 /* : Array[Object] */;
-long var17 /* : Int */;
-val* var18 /* : NativeArray[Object] */;
-val* var19 /* : String */;
-short int var20 /* : Bool */;
-val* var21 /* : Object */;
-val* var22 /* : nullable Object */;
-val* var23 /* : Object */;
-static val* varonce24;
-val* var25 /* : String */;
-char* var26 /* : NativeString */;
-long var27 /* : Int */;
-val* var28 /* : String */;
-val* var29 /* : Array[Object] */;
-long var30 /* : Int */;
-val* var31 /* : NativeArray[Object] */;
-val* var32 /* : String */;
-val* var33 /* : String */;
-var_sep = p0;
-var_couple_sep = p1;
-var1 = ((short int (*)(val*))(self->class->vft[COLOR_abstract_collection__MapRead__is_empty]))(self) /* is_empty on <self:Map[Object, nullable Object]>*/;
-if (var1){
-if (varonce) {
-var2 = varonce;
-} else {
-var3 = "";
-var4 = 0;
-var5 = string__NativeString__to_s_with_length(var3, var4);
-var2 = var5;
-varonce = var2;
+/* method string#FlatBufferCharView#add for (self: FlatBufferCharView, Char) */
+void string__FlatBufferCharView__add(val* self, char p0) {
+short int var /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+char var_c /* var c: Char */;
+val* var1 /* : Text */;
+val* var3 /* : Text */;
+/* Covariant cast for argument 0 (c) <p0:Char> isa E */
+/* <p0:Char> isa E */
+var = 1; /* easy <p0:Char> isa E*/
+if (unlikely(!var)) {
+var_class_name = type_kernel__Char.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "E", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1667);
+show_backtrace(1);
 }
-var = var2;
-goto RET_LABEL;
-} else {
+var_c = p0;
+{
+{ /* Inline string#StringCharView#target (self) on <self:FlatBufferCharView> */
+var3 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:FlatBufferCharView> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
 }
-var6 = NEW_string__Buffer(&type_string__Buffer);
-((void (*)(val*))(var6->class->vft[COLOR_string__Buffer__init]))(var6) /* init on <var6:Buffer>*/;
-var_s = var6;
-var7 = ((val* (*)(val*))(self->class->vft[COLOR_abstract_collection__MapRead__iterator]))(self) /* iterator on <self:Map[Object, nullable Object]>*/;
-var_i = var7;
-var8 = ((val* (*)(val*))(var_i->class->vft[COLOR_abstract_collection__MapIterator__key]))(var_i) /* key on <var_i:MapIterator[Object, nullable Object]>*/;
-var_k = var8;
-var9 = ((val* (*)(val*))(var_i->class->vft[COLOR_abstract_collection__MapIterator__item]))(var_i) /* item on <var_i:MapIterator[Object, nullable Object]>*/;
-var_e = var9;
-if (var_e!=NULL) {
-var10 = var_e;
-} else {
-if (varonce11) {
-var12 = varonce11;
-} else {
-var13 = "<null>";
-var14 = 6;
-var15 = string__NativeString__to_s_with_length(var13, var14);
-var12 = var15;
-varonce11 = var12;
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-var10 = var12;
 }
-var16 = NEW_array__Array(&type_array__Arraykernel__Object);
-{ /* var16 = array_instance Array[Object] */
-var17 = 3;
-var18 = NEW_array__NativeArray(var17, &type_array__NativeArraykernel__Object);
-((struct instance_array__NativeArray*)var18)->values[0] = (val*) var_k;
-((struct instance_array__NativeArray*)var18)->values[1] = (val*) var_couple_sep;
-((struct instance_array__NativeArray*)var18)->values[2] = (val*) var10;
-((void (*)(val*, val*, long))(var16->class->vft[COLOR_array__Array__with_native]))(var16, var18, var17) /* with_native on <var16:Array[Object]>*/;
-}
-var19 = ((val* (*)(val*))(var16->class->vft[COLOR_string__Object__to_s]))(var16) /* to_s on <var16:Array[Object]>*/;
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence__append]))(var_s, var19) /* append on <var_s:Buffer>*/;
-((void (*)(val*))(var_i->class->vft[COLOR_abstract_collection__MapIterator__next]))(var_i) /* next on <var_i:MapIterator[Object, nullable Object]>*/;
-for(;;) {
-var20 = ((short int (*)(val*))(var_i->class->vft[COLOR_abstract_collection__MapIterator__is_ok]))(var_i) /* is_ok on <var_i:MapIterator[Object, nullable Object]>*/;
-if (!var20) break;
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence__append]))(var_s, var_sep) /* append on <var_s:Buffer>*/;
-var21 = ((val* (*)(val*))(var_i->class->vft[COLOR_abstract_collection__MapIterator__key]))(var_i) /* key on <var_i:MapIterator[Object, nullable Object]>*/;
-var_k = var21;
-var22 = ((val* (*)(val*))(var_i->class->vft[COLOR_abstract_collection__MapIterator__item]))(var_i) /* item on <var_i:MapIterator[Object, nullable Object]>*/;
-var_e = var22;
-if (var_e!=NULL) {
-var23 = var_e;
-} else {
-if (varonce24) {
-var25 = varonce24;
-} else {
-var26 = "<null>";
-var27 = 6;
-var28 = string__NativeString__to_s_with_length(var26, var27);
-var25 = var28;
-varonce24 = var25;
+{
+string__FlatBuffer__add(var1, var_c); /* Direct call string#FlatBuffer#add on <var1:Text(FlatBuffer)>*/
 }
-var23 = var25;
+RET_LABEL:;
+}
+/* method string#FlatBufferCharView#add for (self: Object, nullable Object) */
+void VIRTUAL_string__FlatBufferCharView__add(val* self, val* p0) {
+char var /* : Char */;
+var = ((struct instance_kernel__Char*)p0)->value; /* autounbox from nullable Object to Char */;
+string__FlatBufferCharView__add(self, var); /* Direct call string#FlatBufferCharView#add on <self:Object(FlatBufferCharView)>*/
+RET_LABEL:;
+}
+/* method string#FlatBufferCharView#enlarge for (self: FlatBufferCharView, Int) */
+void string__FlatBufferCharView__enlarge(val* self, long p0) {
+long var_cap /* var cap: Int */;
+val* var /* : Text */;
+val* var2 /* : Text */;
+var_cap = p0;
+{
+{ /* Inline string#StringCharView#target (self) on <self:FlatBufferCharView> */
+var2 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:FlatBufferCharView> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
 }
-var29 = NEW_array__Array(&type_array__Arraykernel__Object);
-{ /* var29 = array_instance Array[Object] */
-var30 = 3;
-var31 = NEW_array__NativeArray(var30, &type_array__NativeArraykernel__Object);
-((struct instance_array__NativeArray*)var31)->values[0] = (val*) var_k;
-((struct instance_array__NativeArray*)var31)->values[1] = (val*) var_couple_sep;
-((struct instance_array__NativeArray*)var31)->values[2] = (val*) var23;
-((void (*)(val*, val*, long))(var29->class->vft[COLOR_array__Array__with_native]))(var29, var31, var30) /* with_native on <var29:Array[Object]>*/;
+var = var2;
+RET_LABEL1:(void)0;
 }
-var32 = ((val* (*)(val*))(var29->class->vft[COLOR_string__Object__to_s]))(var29) /* to_s on <var29:Array[Object]>*/;
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__Sequence__append]))(var_s, var32) /* append on <var_s:Buffer>*/;
-((void (*)(val*))(var_i->class->vft[COLOR_abstract_collection__MapIterator__next]))(var_i) /* next on <var_i:MapIterator[Object, nullable Object]>*/;
-CONTINUE_label: (void)0;
 }
-BREAK_label: (void)0;
-var33 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var33;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+{
+string__FlatBuffer__enlarge(var, var_cap); /* Direct call string#FlatBuffer#enlarge on <var:Text(FlatBuffer)>*/
 }
-/* method string#Map#join for (self: Object, String, String): String */
-val* VIRTUAL_string__Map__join(val* self, val* p0, val* p1) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__Map__join(self, p0, p1);
-var = var1;
 RET_LABEL:;
-return var;
 }
-/* method string#NativeString#[] for (self: NativeString, Int): Char */
-char string__NativeString___91d_93d(char* self, long p0) {
-char var /* : Char */;
-char var1 /* : Char */;
-var1 = self[p0];
-var = var1;
-goto RET_LABEL;
+/* method string#FlatBufferCharView#enlarge for (self: Object, Int) */
+void VIRTUAL_string__FlatBufferCharView__enlarge(val* self, long p0) {
+string__FlatBufferCharView__enlarge(self, p0); /* Direct call string#FlatBufferCharView#enlarge on <self:Object(FlatBufferCharView)>*/
 RET_LABEL:;
-return var;
 }
-/* method string#NativeString#[] for (self: Object, Int): Char */
-char VIRTUAL_string__NativeString___91d_93d(val* self, long p0) {
-char var /* : Char */;
-char var1 /* : Char */;
-char* var3 /* : NativeString */;
-char var4 /* : Char */;
-{ /* Inline string#NativeString#[] (self,p0) */
-var3 = ((struct instance_string__NativeString*)self)->value; /* autounbox from Object to NativeString */;
-var4 = var3[p0];
-var1 = var4;
-goto RET_LABEL2;
+/* method string#FlatBufferCharView#append for (self: FlatBufferCharView, Collection[Char]) */
+void string__FlatBufferCharView__append(val* self, val* p0) {
+short int var /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+val* var_s /* var s: Collection[Char] */;
+val* var1 /* : Text */;
+val* var3 /* : Text */;
+char* var4 /* : NativeString */;
+char* var6 /* : NativeString */;
+char* var_my_items /* var my_items: NativeString */;
+long var7 /* : Int */;
+long var_s_length /* var s_length: Int */;
+val* var8 /* : Text */;
+val* var10 /* : Text */;
+long var11 /* : Int */;
+long var13 /* : Int */;
+long var14 /* : Int */;
+short int var15 /* : Bool */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
+const char* var_class_name20;
+short int var21 /* : Bool */;
+val* var22 /* : Text */;
+val* var24 /* : Text */;
+long var25 /* : Int */;
+long var27 /* : Int */;
+long var28 /* : Int */;
+short int var30 /* : Bool */;
+int cltype31;
+int idtype32;
+const char* var_class_name33;
+long var34 /* : Int */;
+/* Covariant cast for argument 0 (s) <p0:Collection[Char]> isa Collection[E] */
+/* <p0:Collection[Char]> isa Collection[E] */
+var = 1; /* easy <p0:Collection[Char]> isa Collection[E]*/
+if (unlikely(!var)) {
+var_class_name = p0 == NULL ? "null" : p0->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "Collection[E]", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1677);
+show_backtrace(1);
+}
+var_s = p0;
+{
+{ /* Inline string#StringCharView#target (self) on <self:FlatBufferCharView> */
+var3 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:FlatBufferCharView> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
+}
+var1 = var3;
 RET_LABEL2:(void)0;
 }
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#NativeString#[]= for (self: NativeString, Int, Char) */
-void string__NativeString___91d_93d_61d(char* self, long p0, char p1) {
-self[p0]=p1;
-RET_LABEL:;
+{
+{ /* Inline string#FlatText#items (var1) on <var1:Text(FlatBuffer)> */
+var6 = var1->attrs[COLOR_string__FlatText___items].str; /* _items on <var1:Text(FlatBuffer)> */
+var4 = var6;
+RET_LABEL5:(void)0;
 }
-/* method string#NativeString#[]= for (self: Object, Int, Char) */
-void VIRTUAL_string__NativeString___91d_93d_61d(val* self, long p0, char p1) {
-char* var /* : NativeString */;
-{ /* Inline string#NativeString#[]= (self,p0,p1) */
-var = ((struct instance_string__NativeString*)self)->value; /* autounbox from Object to NativeString */;
-var[p0]=p1;
-RET_LABEL1:(void)0;
 }
-RET_LABEL:;
+var_my_items = var4;
+{
+var7 = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:Collection[Char]>*/;
 }
-/* method string#NativeString#copy_to for (self: NativeString, NativeString, Int, Int, Int) */
-void string__NativeString__copy_to(char* self, char* p0, long p1, long p2, long p3) {
-memcpy(p0+p3,self+p2,p1);
-RET_LABEL:;
+var_s_length = var7;
+{
+{ /* Inline string#StringCharView#target (self) on <self:FlatBufferCharView> */
+var10 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:FlatBufferCharView> */
+if (unlikely(var10 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
 }
-/* method string#NativeString#copy_to for (self: Object, NativeString, Int, Int, Int) */
-void VIRTUAL_string__NativeString__copy_to(val* self, char* p0, long p1, long p2, long p3) {
-char* var /* : NativeString */;
-{ /* Inline string#NativeString#copy_to (self,p0,p1,p2,p3) */
-var = ((struct instance_string__NativeString*)self)->value; /* autounbox from Object to NativeString */;
-memcpy(p0+p3,var+p2,p1);
-RET_LABEL1:(void)0;
+var8 = var10;
+RET_LABEL9:(void)0;
 }
-RET_LABEL:;
 }
-/* method string#NativeString#cstring_length for (self: NativeString): Int */
-long string__NativeString__cstring_length(char* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-long var_l /* var l: Int */;
-char var2 /* : Char */;
-char var4 /* : Char */;
-char var5 /* : Char */;
-short int var6 /* : Bool */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-long var10 /* : Int */;
-long var11 /* : Int */;
-long var13 /* : Int */;
-var1 = 0;
-var_l = var1;
-for(;;) {
-{ /* Inline string#NativeString#[] (self,var_l) */
-var4 = self[var_l];
-var2 = var4;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+{
+{ /* Inline string#FlatBuffer#capacity (var8) on <var8:Text(FlatBuffer)> */
+var13 = var8->attrs[COLOR_string__FlatBuffer___capacity].l; /* _capacity on <var8:Text(FlatBuffer)> */
+var11 = var13;
+RET_LABEL12:(void)0;
+}
+}
+{
+var14 = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:Collection[Char]>*/;
+}
+{
+{ /* Inline kernel#Int#< (var11,var14) on <var11:Int> */
+/* Covariant cast for argument 0 (i) <var14:Int> isa OTHER */
+/* <var14:Int> isa OTHER */
+var17 = 1; /* easy <var14:Int> isa OTHER*/
+if (unlikely(!var17)) {
+var_class_name20 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name20);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 371);
+show_backtrace(1);
+}
+var21 = var11 < var14;
+var15 = var21;
+goto RET_LABEL16;
+RET_LABEL16:(void)0;
 }
-var5 = '\0';
-{ /* Inline kernel#Char#!= (var2,var5) */
-var8 = var2 == var5;
-var9 = !var8;
-var6 = var9;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
 }
-if (!var6) break;
-var10 = 1;
-{ /* Inline kernel#Int#+ (var_l,var10) */
-var13 = var_l + var10;
-var11 = var13;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
+if (var15){
+{
+{ /* Inline string#StringCharView#target (self) on <self:FlatBufferCharView> */
+var24 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:FlatBufferCharView> */
+if (unlikely(var24 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
+show_backtrace(1);
 }
-var_l = var11;
-CONTINUE_label: (void)0;
+var22 = var24;
+RET_LABEL23:(void)0;
 }
-BREAK_label: (void)0;
-var = var_l;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
 }
-/* method string#NativeString#cstring_length for (self: Object): Int */
-long VIRTUAL_string__NativeString__cstring_length(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-char* var2 /* : NativeString */;
-var2 = ((struct instance_string__NativeString*)self)->value; /* autounbox from Object to NativeString */;
-var1 = string__NativeString__cstring_length(var2);
-var = var1;
-RET_LABEL:;
-return var;
+{
+{ /* Inline string#FlatText#length (var22) on <var22:Text(FlatBuffer)> */
+var27 = var22->attrs[COLOR_string__FlatText___length].l; /* _length on <var22:Text(FlatBuffer)> */
+var25 = var27;
+RET_LABEL26:(void)0;
 }
-/* method string#NativeString#atoi for (self: NativeString): Int */
-long string__NativeString__atoi(char* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = atoi(self);;
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
 }
-/* method string#NativeString#atoi for (self: Object): Int */
-long VIRTUAL_string__NativeString__atoi(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-char* var3 /* : NativeString */;
-long var4 /* : Int */;
-{ /* Inline string#NativeString#atoi (self) */
-var3 = ((struct instance_string__NativeString*)self)->value; /* autounbox from Object to NativeString */;
-var4 = atoi(var3);;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
+{
+{ /* Inline kernel#Int#+ (var_s_length,var25) on <var_s_length:Int> */
+/* Covariant cast for argument 0 (i) <var25:Int> isa OTHER */
+/* <var25:Int> isa OTHER */
+var30 = 1; /* easy <var25:Int> isa OTHER*/
+if (unlikely(!var30)) {
+var_class_name33 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name33);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 374);
+show_backtrace(1);
 }
-var = var1;
-RET_LABEL:;
-return var;
+var34 = var_s_length + var25;
+var28 = var34;
+goto RET_LABEL29;
+RET_LABEL29:(void)0;
 }
-/* method string#NativeString#atof for (self: NativeString): Float */
-double string__NativeString__atof(char* self) {
-double var /* : Float */;
-double var1 /* : Float */;
-var1 = atof(self);
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
 }
-/* method string#NativeString#atof for (self: Object): Float */
-double VIRTUAL_string__NativeString__atof(val* self) {
-double var /* : Float */;
-double var1 /* : Float */;
-char* var2 /* : NativeString */;
-var2 = ((struct instance_string__NativeString*)self)->value; /* autounbox from Object to NativeString */;
-var1 = string__NativeString__atof(var2);
-var = var1;
-RET_LABEL:;
-return var;
+{
+string__FlatBufferCharView__enlarge(self, var28); /* Direct call string#FlatBufferCharView#enlarge on <self:FlatBufferCharView>*/
+}
+} else {
 }
-/* method string#NativeString#to_s for (self: NativeString): String */
-val* string__NativeString__to_s(char* self) {
-val* var /* : String */;
-long var1 /* : Int */;
-val* var2 /* : String */;
-var1 = string__NativeString__cstring_length(self);
-var2 = string__NativeString__to_s_with_length(self, var1);
-var = var2;
-goto RET_LABEL;
 RET_LABEL:;
-return var;
 }
-/* method string#NativeString#to_s for (self: Object): String */
-val* VIRTUAL_string__NativeString__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-char* var2 /* : NativeString */;
-var2 = ((struct instance_string__NativeString*)self)->value; /* autounbox from Object to NativeString */;
-var1 = string__NativeString__to_s(var2);
-var = var1;
+/* method string#FlatBufferCharView#append for (self: Object, Collection[nullable Object]) */
+void VIRTUAL_string__FlatBufferCharView__append(val* self, val* p0) {
+string__FlatBufferCharView__append(self, p0); /* Direct call string#FlatBufferCharView#append on <self:Object(FlatBufferCharView)>*/
 RET_LABEL:;
-return var;
 }
-/* method string#NativeString#to_s_with_length for (self: NativeString, Int): String */
-val* string__NativeString__to_s_with_length(char* self, long p0) {
-val* var /* : String */;
-long var_length /* var length: Int */;
-long var1 /* : Int */;
-short int var2 /* : Bool */;
-short int var4 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var5 /* : Bool */;
-val* var6 /* : String */;
-long var7 /* : Int */;
-long var8 /* : Int */;
-long var9 /* : Int */;
-long var11 /* : Int */;
-var_length = p0;
-var1 = 0;
-{ /* Inline kernel#Int#>= (var_length,var1) */
-/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
-/* <var1:Int> isa OTHER */
-var4 = 1; /* easy <var1:Int> isa OTHER*/
-if (!var4) {
-var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 262);
+/* method string#FlatBufferCharView#iterator_from for (self: FlatBufferCharView, Int): IndexedIterator[Char] */
+val* string__FlatBufferCharView__iterator_from(val* self, long p0) {
+val* var /* : IndexedIterator[Char] */;
+long var_pos /* var pos: Int */;
+val* var1 /* : FlatBufferIterator */;
+val* var2 /* : Text */;
+val* var4 /* : Text */;
+var_pos = p0;
+var1 = NEW_string__FlatBufferIterator(&type_string__FlatBufferIterator);
+{
+{ /* Inline string#StringCharView#target (self) on <self:FlatBufferCharView> */
+var4 = self->attrs[COLOR_string__StringCharView___target].val; /* _target on <self:FlatBufferCharView> */
+if (unlikely(var4 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 738);
 show_backtrace(1);
 }
-var5 = var_length >= var1;
-var2 = var5;
-goto RET_LABEL3;
+var2 = var4;
 RET_LABEL3:(void)0;
 }
-if (!var2) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 1107);
-show_backtrace(1);
 }
-var6 = NEW_string__String(&type_string__String);
-var7 = 0;
-var8 = 1;
-{ /* Inline kernel#Int#- (var_length,var8) */
-var11 = var_length - var8;
-var9 = var11;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
+{
+string__FlatBufferIterator__with_pos(var1, var2, var_pos); /* Direct call string#FlatBufferIterator#with_pos on <var1:FlatBufferIterator>*/
 }
-((void (*)(val*, char*, long, long, long))(var6->class->vft[COLOR_string__String__with_infos]))(var6, self, var_length, var7, var9) /* with_infos on <var6:String>*/;
-var = var6;
+var = var1;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#NativeString#to_s_with_length for (self: Object, Int): String */
-val* VIRTUAL_string__NativeString__to_s_with_length(val* self, long p0) {
-val* var /* : String */;
-val* var1 /* : String */;
-char* var2 /* : NativeString */;
-var2 = ((struct instance_string__NativeString*)self)->value; /* autounbox from Object to NativeString */;
-var1 = string__NativeString__to_s_with_length(var2, p0);
+/* method string#FlatBufferCharView#iterator_from for (self: Object, Int): IndexedIterator[nullable Object] */
+val* VIRTUAL_string__FlatBufferCharView__iterator_from(val* self, long p0) {
+val* var /* : IndexedIterator[nullable Object] */;
+val* var1 /* : IndexedIterator[Char] */;
+var1 = string__FlatBufferCharView__iterator_from(self, p0);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#NativeString#to_s_with_copy for (self: NativeString): String */
-val* string__NativeString__to_s_with_copy(char* self) {
-val* var /* : String */;
-long var1 /* : Int */;
-long var_length /* var length: Int */;
-long var2 /* : Int */;
-long var3 /* : Int */;
-long var5 /* : Int */;
-char* var6 /* : NativeString */;
-val* var8 /* : StringCapable */;
-char* var9 /* : NativeString */;
-char* var_new_self /* var new_self: NativeString */;
-long var10 /* : Int */;
-long var11 /* : Int */;
-val* var13 /* : String */;
-long var14 /* : Int */;
-long var15 /* : Int */;
-long var16 /* : Int */;
-long var18 /* : Int */;
-var1 = string__NativeString__cstring_length(self);
-var_length = var1;
-var2 = 1;
-{ /* Inline kernel#Int#+ (var_length,var2) */
-var5 = var_length + var2;
-var3 = var5;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
-}
-{ /* Inline string#StringCapable#calloc_string (self,var3) */
-var8 = BOX_string__NativeString(self); /* autobox from NativeString to StringCapable */
-var9 = (char*)nit_alloc(var3);
-var6 = var9;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
-}
-var_new_self = var6;
-var10 = 0;
-var11 = 0;
-{ /* Inline string#NativeString#copy_to (self,var_new_self,var_length,var10,var11) */
-memcpy(var_new_self+var11,self+var10,var_length);
-RET_LABEL12:(void)0;
-}
-var13 = NEW_string__String(&type_string__String);
-var14 = 0;
-var15 = 1;
-{ /* Inline kernel#Int#- (var_length,var15) */
-var18 = var_length - var15;
-var16 = var18;
-goto RET_LABEL17;
-RET_LABEL17:(void)0;
+/* method string#FlatBufferIterator#target for (self: FlatBufferIterator): FlatBuffer */
+val* string__FlatBufferIterator__target(val* self) {
+val* var /* : FlatBuffer */;
+val* var1 /* : FlatBuffer */;
+var1 = self->attrs[COLOR_string__FlatBufferIterator___target].val; /* _target on <self:FlatBufferIterator> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1693);
+show_backtrace(1);
 }
-((void (*)(val*, char*, long, long, long))(var13->class->vft[COLOR_string__String__with_infos]))(var13, var_new_self, var_length, var14, var16) /* with_infos on <var13:String>*/;
-var = var13;
-goto RET_LABEL;
+var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#NativeString#to_s_with_copy for (self: Object): String */
-val* VIRTUAL_string__NativeString__to_s_with_copy(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-char* var2 /* : NativeString */;
-var2 = ((struct instance_string__NativeString*)self)->value; /* autounbox from Object to NativeString */;
-var1 = string__NativeString__to_s_with_copy(var2);
+/* method string#FlatBufferIterator#target for (self: Object): FlatBuffer */
+val* VIRTUAL_string__FlatBufferIterator__target(val* self) {
+val* var /* : FlatBuffer */;
+val* var1 /* : FlatBuffer */;
+val* var3 /* : FlatBuffer */;
+{ /* Inline string#FlatBufferIterator#target (self) on <self:Object(FlatBufferIterator)> */
+var3 = self->attrs[COLOR_string__FlatBufferIterator___target].val; /* _target on <self:Object(FlatBufferIterator)> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _target");
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/string.nit", 1693);
+show_backtrace(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#NativeString#init for (self: NativeString) */
-void string__NativeString__init(char* self) {
+/* method string#FlatBufferIterator#target= for (self: FlatBufferIterator, FlatBuffer) */
+void string__FlatBufferIterator__target_61d(val* self, val* p0) {
+self->attrs[COLOR_string__FlatBufferIterator___target].val = p0; /* _target on <self:FlatBufferIterator> */
 RET_LABEL:;
 }
-/* method string#NativeString#init for (self: Object) */
-void VIRTUAL_string__NativeString__init(val* self) {
-char* var /* : NativeString */;
-var = ((struct instance_string__NativeString*)self)->value; /* autounbox from Object to NativeString */;
-string__NativeString__init(var);
+/* method string#FlatBufferIterator#target= for (self: Object, FlatBuffer) */
+void VIRTUAL_string__FlatBufferIterator__target_61d(val* self, val* p0) {
+{ /* Inline string#FlatBufferIterator#target= (self,p0) on <self:Object(FlatBufferIterator)> */
+self->attrs[COLOR_string__FlatBufferIterator___target].val = p0; /* _target on <self:Object(FlatBufferIterator)> */
+RET_LABEL1:(void)0;
+}
 RET_LABEL:;
 }
-/* method string#StringCapable#calloc_string for (self: StringCapable, Int): NativeString */
-char* string__StringCapable__calloc_string(val* self, long p0) {
+/* method string#FlatBufferIterator#target_items for (self: FlatBufferIterator): NativeString */
+char* string__FlatBufferIterator__target_items(val* self) {
 char* var /* : NativeString */;
 char* var1 /* : NativeString */;
-var1 = (char*)nit_alloc(p0);
+var1 = self->attrs[COLOR_string__FlatBufferIterator___target_items].str; /* _target_items on <self:FlatBufferIterator> */
 var = var1;
-goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#StringCapable#calloc_string for (self: Object, Int): NativeString */
-char* VIRTUAL_string__StringCapable__calloc_string(val* self, long p0) {
+/* method string#FlatBufferIterator#target_items for (self: Object): NativeString */
+char* VIRTUAL_string__FlatBufferIterator__target_items(val* self) {
 char* var /* : NativeString */;
 char* var1 /* : NativeString */;
 char* var3 /* : NativeString */;
-{ /* Inline string#StringCapable#calloc_string (self,p0) */
-var3 = (char*)nit_alloc(p0);
+{ /* Inline string#FlatBufferIterator#target_items (self) on <self:Object(FlatBufferIterator)> */
+var3 = self->attrs[COLOR_string__FlatBufferIterator___target_items].str; /* _target_items on <self:Object(FlatBufferIterator)> */
 var1 = var3;
-goto RET_LABEL2;
 RET_LABEL2:(void)0;
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#Sys#args for (self: Sys): Sequence[String] */
-val* string__Sys__args(val* self) {
-val* var /* : Sequence[String] */;
-val* var1 /* : nullable Sequence[String] */;
-val* var2 /* : null */;
-short int var3 /* : Bool */;
-val* var4 /* : nullable Sequence[String] */;
-var1 = self->attrs[COLOR_string__Sys___args_cache].val; /* _args_cache on <self:Sys> */
-var2 = NULL;
-if (var1 == NULL) {
-var3 = 1; /* is null */
-} else {
-var3 = 0; /* arg is null but recv is not */
-}
-if (var3){
-((void (*)(val*))(self->class->vft[COLOR_string__Sys__init_args]))(self) /* init_args on <self:Sys>*/;
-} else {
+/* method string#FlatBufferIterator#target_items= for (self: FlatBufferIterator, NativeString) */
+void string__FlatBufferIterator__target_items_61d(val* self, char* p0) {
+self->attrs[COLOR_string__FlatBufferIterator___target_items].str = p0; /* _target_items on <self:FlatBufferIterator> */
+RET_LABEL:;
 }
-var4 = self->attrs[COLOR_string__Sys___args_cache].val; /* _args_cache on <self:Sys> */
-if (var4 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Cast failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/string.nit", 1132);
-show_backtrace(1);
+/* method string#FlatBufferIterator#target_items= for (self: Object, NativeString) */
+void VIRTUAL_string__FlatBufferIterator__target_items_61d(val* self, char* p0) {
+{ /* Inline string#FlatBufferIterator#target_items= (self,p0) on <self:Object(FlatBufferIterator)> */
+self->attrs[COLOR_string__FlatBufferIterator___target_items].str = p0; /* _target_items on <self:Object(FlatBufferIterator)> */
+RET_LABEL1:(void)0;
 }
-var = var4;
-goto RET_LABEL;
 RET_LABEL:;
-return var;
 }
-/* method string#Sys#args for (self: Object): Sequence[String] */
-val* VIRTUAL_string__Sys__args(val* self) {
-val* var /* : Sequence[String] */;
-val* var1 /* : Sequence[String] */;
-var1 = string__Sys__args(self);
+/* method string#FlatBufferIterator#curr_pos for (self: FlatBufferIterator): Int */
+long string__FlatBufferIterator__curr_pos(val* self) {
+long var /* : Int */;
+long var1 /* : Int */;
+var1 = self->attrs[COLOR_string__FlatBufferIterator___curr_pos].l; /* _curr_pos on <self:FlatBufferIterator> */
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#Sys#program_name for (self: Sys): String */
-val* string__Sys__program_name(val* self) {
-val* var /* : String */;
+/* method string#FlatBufferIterator#curr_pos for (self: Object): Int */
+long VIRTUAL_string__FlatBufferIterator__curr_pos(val* self) {
+long var /* : Int */;
 long var1 /* : Int */;
-char* var2 /* : NativeString */;
-val* var3 /* : String */;
-var1 = 0;
-var2 = ((char* (*)(val*, long))(self->class->vft[COLOR_string__Sys__native_argv]))(self, var1) /* native_argv on <self:Sys>*/;
-var3 = string__NativeString__to_s(var2);
-var = var3;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+long var3 /* : Int */;
+{ /* Inline string#FlatBufferIterator#curr_pos (self) on <self:Object(FlatBufferIterator)> */
+var3 = self->attrs[COLOR_string__FlatBufferIterator___curr_pos].l; /* _curr_pos on <self:Object(FlatBufferIterator)> */
+var1 = var3;
+RET_LABEL2:(void)0;
 }
-/* method string#Sys#program_name for (self: Object): String */
-val* VIRTUAL_string__Sys__program_name(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = string__Sys__program_name(self);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method string#Sys#init_args for (self: Sys) */
-void string__Sys__init_args(val* self) {
+/* method string#FlatBufferIterator#curr_pos= for (self: FlatBufferIterator, Int) */
+void string__FlatBufferIterator__curr_pos_61d(val* self, long p0) {
+self->attrs[COLOR_string__FlatBufferIterator___curr_pos].l = p0; /* _curr_pos on <self:FlatBufferIterator> */
+RET_LABEL:;
+}
+/* method string#FlatBufferIterator#curr_pos= for (self: Object, Int) */
+void VIRTUAL_string__FlatBufferIterator__curr_pos_61d(val* self, long p0) {
+{ /* Inline string#FlatBufferIterator#curr_pos= (self,p0) on <self:Object(FlatBufferIterator)> */
+self->attrs[COLOR_string__FlatBufferIterator___curr_pos].l = p0; /* _curr_pos on <self:Object(FlatBufferIterator)> */
+RET_LABEL1:(void)0;
+}
+RET_LABEL:;
+}
+/* method string#FlatBufferIterator#with_pos for (self: FlatBufferIterator, FlatBuffer, Int) */
+void string__FlatBufferIterator__with_pos(val* self, val* p0, long p1) {
+val* var_tgt /* var tgt: FlatBuffer */;
+long var_pos /* var pos: Int */;
 long var /* : Int */;
-long var_argc /* var argc: Int */;
-val* var1 /* : Array[String] */;
-long var2 /* : Int */;
-val* var_args /* var args: Array[String] */;
 long var3 /* : Int */;
-long var_i /* var i: Int */;
-short int var4 /* : Bool */;
-short int var6 /* : Bool */;
+long var4 /* : Int */;
+short int var5 /* : Bool */;
+short int var7 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var7 /* : Bool */;
-long var8 /* : Int */;
-long var9 /* : Int */;
-long var11 /* : Int */;
-char* var12 /* : NativeString */;
-val* var13 /* : String */;
-long var14 /* : Int */;
-long var15 /* : Int */;
-long var17 /* : Int */;
-var = ((long (*)(val*))(self->class->vft[COLOR_string__Sys__native_argc]))(self) /* native_argc on <self:Sys>*/;
-var_argc = var;
-var1 = NEW_array__Array(&type_array__Arraystring__String);
-var2 = 0;
-((void (*)(val*, long))(var1->class->vft[COLOR_array__Array__with_capacity]))(var1, var2) /* with_capacity on <var1:Array[String]>*/;
-var_args = var1;
-var3 = 1;
-var_i = var3;
-for(;;) {
-{ /* Inline kernel#Int#< (var_i,var_argc) */
-/* Covariant cast for argument 0 (i) <var_argc:Int> isa OTHER */
-/* <var_argc:Int> isa OTHER */
-var6 = 1; /* easy <var_argc:Int> isa OTHER*/
-if (!var6) {
+short int var8 /* : Bool */;
+char* var9 /* : NativeString */;
+char* var11 /* : NativeString */;
+var_tgt = p0;
+var_pos = p1;
+{
+{ /* Inline string#FlatBufferIterator#target= (self,var_tgt) on <self:FlatBufferIterator> */
+self->attrs[COLOR_string__FlatBufferIterator___target].val = var_tgt; /* _target on <self:FlatBufferIterator> */
+RET_LABEL1:(void)0;
+}
+}
+{
+{ /* Inline string#FlatText#length (var_tgt) on <var_tgt:FlatBuffer> */
+var3 = var_tgt->attrs[COLOR_string__FlatText___length].l; /* _length on <var_tgt:FlatBuffer> */
+var = var3;
+RET_LABEL2:(void)0;
+}
+}
+var4 = 0;
+{
+{ /* Inline kernel#Int#> (var,var4) on <var:Int> */
+/* Covariant cast for argument 0 (i) <var4:Int> isa OTHER */
+/* <var4:Int> isa OTHER */
+var7 = 1; /* easy <var4:Int> isa OTHER*/
+if (unlikely(!var7)) {
 var_class_name = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 261);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "../lib/standard/kernel.nit", 373);
 show_backtrace(1);
 }
-var7 = var_i < var_argc;
-var4 = var7;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
+var8 = var > var4;
+var5 = var8;
+goto RET_LABEL6;
+RET_LABEL6:(void)0;
+}
 }
-if (!var4) break;
-var8 = 1;
-{ /* Inline kernel#Int#- (var_i,var8) */
-var11 = var_i - var8;
+if (var5){
+{
+{ /* Inline string#FlatText#items (var_tgt) on <var_tgt:FlatBuffer> */
+var11 = var_tgt->attrs[COLOR_string__FlatText___items].str; /* _items on <var_tgt:FlatBuffer> */
 var9 = var11;
-goto RET_LABEL10;
 RET_LABEL10:(void)0;
 }
-var12 = ((char* (*)(val*, long))(self->class->vft[COLOR_string__Sys__native_argv]))(self, var_i) /* native_argv on <self:Sys>*/;
-var13 = string__NativeString__to_s(var12);
-((void (*)(val*, long, val*))(var_args->class->vft[COLOR_abstract_collection__Sequence___91d_93d_61d]))(var_args, var9, var13) /* []= on <var_args:Array[String]>*/;
-var14 = 1;
-{ /* Inline kernel#Int#+ (var_i,var14) */
-var17 = var_i + var14;
-var15 = var17;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
-}
-var_i = var15;
-CONTINUE_label: (void)0;
 }
-BREAK_label: (void)0;
-self->attrs[COLOR_string__Sys___args_cache].val = var_args; /* _args_cache on <self:Sys> */
-RET_LABEL:;
+{
+{ /* Inline string#FlatBufferIterator#target_items= (self,var9) on <self:FlatBufferIterator> */
+self->attrs[COLOR_string__FlatBufferIterator___target_items].str = var9; /* _target_items on <self:FlatBufferIterator> */
+RET_LABEL12:(void)0;
 }
-/* method string#Sys#init_args for (self: Object) */
-void VIRTUAL_string__Sys__init_args(val* self) {
-string__Sys__init_args(self);
-RET_LABEL:;
 }
-/* method string#Sys#native_argc for (self: Sys): Int */
-long string__Sys__native_argc(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = glob_argc;
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+} else {
 }
-/* method string#Sys#native_argc for (self: Object): Int */
-long VIRTUAL_string__Sys__native_argc(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-long var3 /* : Int */;
-{ /* Inline string#Sys#native_argc (self) */
-var3 = glob_argc;
-var1 = var3;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
+{
+{ /* Inline string#FlatBufferIterator#curr_pos= (self,var_pos) on <self:FlatBufferIterator> */
+self->attrs[COLOR_string__FlatBufferIterator___curr_pos].l = var_pos; /* _curr_pos on <self:FlatBufferIterator> */
+RET_LABEL13:(void)0;
 }
-var = var1;
-RET_LABEL:;
-return var;
 }
-/* method string#Sys#native_argv for (self: Sys, Int): NativeString */
-char* string__Sys__native_argv(val* self, long p0) {
-char* var /* : NativeString */;
-char* var1 /* : NativeString */;
-var1 = glob_argv[p0];
-var = var1;
-goto RET_LABEL;
 RET_LABEL:;
-return var;
-}
-/* method string#Sys#native_argv for (self: Object, Int): NativeString */
-char* VIRTUAL_string__Sys__native_argv(val* self, long p0) {
-char* var /* : NativeString */;
-char* var1 /* : NativeString */;
-char* var3 /* : NativeString */;
-{ /* Inline string#Sys#native_argv (self,p0) */
-var3 = glob_argv[p0];
-var1 = var3;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
 }
-var = var1;
+/* method string#FlatBufferIterator#with_pos for (self: Object, FlatBuffer, Int) */
+void VIRTUAL_string__FlatBufferIterator__with_pos(val* self, val* p0, long p1) {
+string__FlatBufferIterator__with_pos(self, p0, p1); /* Direct call string#FlatBufferIterator#with_pos on <self:Object(FlatBufferIterator)>*/
 RET_LABEL:;
-return var;
 }