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

diff --git a/c_src/stream.sep.1.c b/c_src/stream.sep.1.c
index 7f6ac4a..29d5137 100644
--- a/c_src/stream.sep.1.c
+++ b/c_src/stream.sep.1.c
@@ -1,176 +1,32 @@
 #include "stream.sep.0.h"
-/* method stream#IOS#close for (self: IOS) */
-void stream__IOS__close(val* self) {
-const char* var_class_name;
-var_class_name = self == NULL ? "null" : self->type->name;
-fprintf(stderr, "Runtime error: Abstract method `%s` called on `%s`", "close", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 27);
-show_backtrace(1);
-RET_LABEL:;
-}
-/* method stream#IOS#close for (self: Object) */
-void VIRTUAL_stream__IOS__close(val* self) {
-stream__IOS__close(self);
-RET_LABEL:;
-}
-/* method stream#IStream#read_char for (self: IStream): Int */
-long stream__IStream__read_char(val* self) {
-long var /* : Int */;
-const char* var_class_name;
-var_class_name = self == NULL ? "null" : self->type->name;
-fprintf(stderr, "Runtime error: Abstract method `%s` called on `%s`", "read_char", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 34);
-show_backtrace(1);
-RET_LABEL:;
-return var;
-}
-/* method stream#IStream#read_char for (self: Object): Int */
-long VIRTUAL_stream__IStream__read_char(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream__IStream__read_char(self);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#IStream#read for (self: IStream, Int): String */
-val* stream__IStream__read(val* self, long p0) {
-val* var /* : String */;
-long var_i /* var i: Int */;
-val* var1 /* : Buffer */;
-val* var_s /* var s: Buffer */;
-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 var7 /* : Bool */;
-short int var_ /* var : Bool */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-long var10 /* : Int */;
-long var_c /* var c: Int */;
-long var11 /* : Int */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
-int cltype15;
-int idtype16;
-const char* var_class_name17;
-short int var18 /* : Bool */;
-char var19 /* : Char */;
-char var21 /* : Char */;
-val* var22 /* : nullable Object */;
-long var23 /* : Int */;
-long var24 /* : Int */;
-long var26 /* : Int */;
-val* var27 /* : String */;
-var_i = p0;
-var1 = NEW_string__Buffer(&type_string__Buffer);
-((void (*)(val*, long))(var1->class->vft[COLOR_string__Buffer__with_capacity]))(var1, var_i) /* with_capacity on <var1:Buffer>*/;
-var_s = var1;
-for(;;) {
-var3 = 0;
-{ /* Inline kernel#Int#> (var_i,var3) */
-/* Covariant cast for argument 0 (i) <var3:Int> isa OTHER */
-/* <var3:Int> isa OTHER */
-var6 = 1; /* easy <var3: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", 267);
-show_backtrace(1);
-}
-var7 = var_i > var3;
-var4 = var7;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
-}
-var_ = var4;
-if (var4){
-var8 = ((short int (*)(val*))(self->class->vft[COLOR_stream__IStream__eof]))(self) /* eof on <self:IStream>*/;
-var9 = !var8;
-var2 = var9;
-} else {
-var2 = var_;
-}
-if (!var2) break;
-var10 = ((long (*)(val*))(self->class->vft[COLOR_stream__IStream__read_char]))(self) /* read_char on <self:IStream>*/;
-var_c = var10;
-var11 = 0;
-{ /* Inline kernel#Int#>= (var_c,var11) */
-/* Covariant cast for argument 0 (i) <var11:Int> isa OTHER */
-/* <var11:Int> isa OTHER */
-var14 = 1; /* easy <var11:Int> isa OTHER*/
-if (!var14) {
-var_class_name17 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name17);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 266);
-show_backtrace(1);
-}
-var18 = var_c >= var11;
-var12 = var18;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
-}
-if (var12){
-{ /* Inline kernel#Int#ascii (var_c) */
-var21 = var_c;
-var19 = var21;
-goto RET_LABEL20;
-RET_LABEL20:(void)0;
-}
-var22 = BOX_kernel__Char(var19); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_s, var22) /* add on <var_s:Buffer>*/;
-var23 = 1;
-{ /* Inline kernel#Int#- (var_i,var23) */
-var26 = var_i - var23;
-var24 = var26;
-goto RET_LABEL25;
-RET_LABEL25:(void)0;
-}
-var_i = var24;
-} else {
-}
-CONTINUE_label: (void)0;
-}
-BREAK_label: (void)0;
-var27 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var27;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method stream#IStream#read for (self: Object, Int): String */
-val* VIRTUAL_stream__IStream__read(val* self, long p0) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = stream__IStream__read(self, p0);
-var = var1;
-RET_LABEL:;
-return var;
-}
 /* method stream#IStream#read_line for (self: IStream): String */
 val* stream__IStream__read_line(val* self) {
 val* var /* : String */;
 short int var1 /* : Bool */;
 short int var2 /* : Bool */;
-val* var3 /* : Buffer */;
-val* var_s /* var s: Buffer */;
+val* var3 /* : FlatBuffer */;
+val* var_s /* var s: FlatBuffer */;
 val* var4 /* : String */;
-var1 = ((short int (*)(val*))(self->class->vft[COLOR_stream__IStream__eof]))(self) /* eof on <self:IStream>*/;
+{
+var1 = stream__BufferedIStream__eof(self);
+}
 var2 = !var1;
-if (!var2) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 54);
+if (unlikely(!var2)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 55);
 show_backtrace(1);
 }
-var3 = NEW_string__Buffer(&type_string__Buffer);
-((void (*)(val*))(var3->class->vft[COLOR_string__Buffer__init]))(var3) /* init on <var3:Buffer>*/;
+var3 = NEW_string__FlatBuffer(&type_string__FlatBuffer);
+{
+string__FlatBuffer__init(var3); /* Direct call string#FlatBuffer#init on <var3:FlatBuffer>*/
+}
 var_s = var3;
-((void (*)(val*, val*))(self->class->vft[COLOR_stream__IStream__append_line_to]))(self, var_s) /* append_line_to on <self:IStream>*/;
-var4 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
+{
+stream__BufferedIStream__append_line_to(self, var_s); /* Direct call stream#BufferedIStream#append_line_to on <self:IStream>*/
+}
+{
+var4 = string__FlatBuffer__to_s(var_s);
+}
 var = var4;
 goto RET_LABEL;
 RET_LABEL:;
@@ -185,686 +41,433 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method stream#IStream#read_all for (self: IStream): String */
-val* stream__IStream__read_all(val* self) {
+/* method stream#Text#write_to for (self: Text, OStream) */
+void stream__Text__write_to(val* self, val* p0) {
+val* var_stream /* var stream: OStream */;
+var_stream = p0;
+{
+file__OFStream__write(var_stream, self); /* Direct call file#OFStream#write on <var_stream:OStream>*/
+}
+RET_LABEL:;
+}
+/* method stream#Text#write_to for (self: Object, OStream) */
+void VIRTUAL_stream__Text__write_to(val* self, val* p0) {
+stream__Text__write_to(self, p0); /* Direct call stream#Text#write_to on <self:Object(Text)>*/
+RET_LABEL:;
+}
+/* method stream#BufferedIStream#read for (self: BufferedIStream, Int): String */
+val* stream__BufferedIStream__read(val* self, long p0) {
 val* var /* : String */;
-val* var1 /* : Buffer */;
-val* var_s /* var s: Buffer */;
-short int var2 /* : Bool */;
-short int var3 /* : Bool */;
+long var_i /* var i: Int */;
+val* var1 /* : nullable FlatBuffer */;
+long var2 /* : Int */;
 long var4 /* : Int */;
-long var_c /* var c: Int */;
 long var5 /* : Int */;
 short int var6 /* : Bool */;
-short int var8 /* : Bool */;
+short int var7 /* : Bool */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+short int var11 /* : Bool */;
+val* var12 /* : String */;
+static val* varonce;
+val* var13 /* : String */;
+char* var14 /* : NativeString */;
+long var15 /* : Int */;
+val* var16 /* : FlatString */;
+long var17 /* : Int */;
+long var18 /* : Int */;
+short int var20 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var9 /* : Bool */;
-char var10 /* : Char */;
-char var12 /* : Char */;
-val* var13 /* : nullable Object */;
-val* var14 /* : 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;
-for(;;) {
-var2 = ((short int (*)(val*))(self->class->vft[COLOR_stream__IStream__eof]))(self) /* eof on <self:IStream>*/;
-var3 = !var2;
-if (!var3) break;
-var4 = ((long (*)(val*))(self->class->vft[COLOR_stream__IStream__read_char]))(self) /* read_char on <self:IStream>*/;
-var_c = var4;
-var5 = 0;
-{ /* Inline kernel#Int#>= (var_c,var5) */
-/* Covariant cast for argument 0 (i) <var5:Int> isa OTHER */
-/* <var5:Int> isa OTHER */
-var8 = 1; /* easy <var5:Int> isa OTHER*/
-if (!var8) {
-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", 266);
+long var21 /* : Int */;
+val* var22 /* : nullable FlatBuffer */;
+long var23 /* : 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 */;
+long var33 /* : Int */;
+long var_from /* var from: Int */;
+val* var34 /* : nullable FlatBuffer */;
+long var35 /* : Int */;
+long var37 /* : Int */;
+val* var38 /* : nullable FlatBuffer */;
+val* var39 /* : Text */;
+val* var40 /* : String */;
+val* var_ /* var : BufferedIStream */;
+long var41 /* : Int */;
+long var42 /* : Int */;
+short int var44 /* : Bool */;
+int cltype45;
+int idtype46;
+const char* var_class_name47;
+long var48 /* : Int */;
+val* var49 /* : nullable FlatBuffer */;
+long var50 /* : Int */;
+long var51 /* : Int */;
+short int var53 /* : Bool */;
+int cltype54;
+int idtype55;
+const char* var_class_name56;
+long var57 /* : Int */;
+val* var58 /* : FlatBuffer */;
+val* var59 /* : String */;
+var_i = p0;
+var1 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
+if (var1 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 182);
+show_backtrace(1);
+} else {
+{ /* Inline string#FlatText#length (var1) on <var1:nullable FlatBuffer> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 556);
 show_backtrace(1);
 }
-var9 = var_c >= var5;
-var6 = var9;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+var4 = var1->attrs[COLOR_string__FlatText___length].l; /* _length on <var1:nullable FlatBuffer> */
+var2 = var4;
+RET_LABEL3:(void)0;
 }
-if (var6){
-{ /* Inline kernel#Int#ascii (var_c) */
-var12 = var_c;
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
-}
-var13 = BOX_kernel__Char(var10); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_s, var13) /* add on <var_s:Buffer>*/;
-} else {
 }
-CONTINUE_label: (void)0;
+var5 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
+{
+{ /* Inline kernel#Int#== (var2,var5) on <var2:Int> */
+var9 = var2 == var5;
+var7 = var9;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
 }
-BREAK_label: (void)0;
-var14 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var14;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+var6 = var7;
 }
-/* method stream#IStream#read_all for (self: Object): String */
-val* VIRTUAL_stream__IStream__read_all(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = stream__IStream__read_all(self);
-var = var1;
-RET_LABEL:;
-return var;
+if (var6){
+{
+var10 = stream__BufferedIStream__eof(self);
 }
-/* method stream#IStream#append_line_to for (self: IStream, Buffer) */
-void stream__IStream__append_line_to(val* self, val* p0) {
-val* var_s /* var s: Buffer */;
-long var /* : Int */;
-long var_x /* var x: Int */;
-long var1 /* : Int */;
-long var2 /* : Int */;
-long var4 /* : Int */;
-short int var5 /* : Bool */;
-short int var7 /* : Bool */;
-short int var8 /* : Bool */;
-char var9 /* : Char */;
-char var11 /* : Char */;
-char var_c /* var c: Char */;
-val* var12 /* : StringCharView */;
-val* var13 /* : nullable Object */;
-char var14 /* : Char */;
-short int var15 /* : Bool */;
-short int var17 /* : Bool */;
-var_s = p0;
-for(;;) {
-var = ((long (*)(val*))(self->class->vft[COLOR_stream__IStream__read_char]))(self) /* read_char on <self:IStream>*/;
-var_x = var;
-var1 = 1;
-{ /* Inline kernel#Int#unary - (var1) */
-var4 = -var1;
-var2 = var4;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+var11 = !var10;
+if (var11){
+{
+file__IFStream__fill_buffer(self); /* Direct call file#IFStream#fill_buffer on <self:BufferedIStream>*/
 }
-{ /* Inline kernel#Int#== (var_x,var2) */
-var7 = var_x == var2;
-var5 = var7;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
+{
+var12 = stream__BufferedIStream__read(self, var_i);
 }
-if (var5){
-var8 = ((short int (*)(val*))(self->class->vft[COLOR_stream__IStream__eof]))(self) /* eof on <self:IStream>*/;
-if (var8){
+var = var12;
 goto RET_LABEL;
 } else {
 }
+if (varonce) {
+var13 = varonce;
 } else {
-{ /* Inline kernel#Int#ascii (var_x) */
-var11 = var_x;
-var9 = var11;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
+var14 = "";
+var15 = 0;
+var16 = string__NativeString__to_s_with_length(var14, var15);
+var13 = var16;
+varonce = var13;
 }
-var_c = var9;
-var12 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__AbstractString__chars]))(var_s) /* chars on <var_s:Buffer>*/;
-var13 = BOX_kernel__Char(var_c); /* autobox from Char to nullable Object */
-((void (*)(val*, val*))(var12->class->vft[COLOR_abstract_collection__Sequence__push]))(var12, var13) /* push on <var12:StringCharView(BufferCharView)>*/;
-var14 = '\n';
-{ /* Inline kernel#Char#== (var_c,var14) */
-var17 = var_c == var14;
-var15 = var17;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
-}
-if (var15){
+var = var13;
 goto RET_LABEL;
 } else {
 }
+var17 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
+{
+{ /* Inline kernel#Int#+ (var17,var_i) on <var17:Int> */
+/* Covariant cast for argument 0 (i) <var_i:Int> isa OTHER */
+/* <var_i:Int> isa OTHER */
+var20 = 1; /* easy <var_i:Int> isa OTHER*/
+if (unlikely(!var20)) {
+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", 328);
+show_backtrace(1);
 }
-CONTINUE_label: (void)0;
-}
-BREAK_label: (void)0;
-RET_LABEL:;
+var21 = var17 + var_i;
+var18 = var21;
+goto RET_LABEL19;
+RET_LABEL19:(void)0;
 }
-/* method stream#IStream#append_line_to for (self: Object, Buffer) */
-void VIRTUAL_stream__IStream__append_line_to(val* self, val* p0) {
-stream__IStream__append_line_to(self, p0);
-RET_LABEL:;
 }
-/* method stream#IStream#eof for (self: IStream): Bool */
-short int stream__IStream__eof(val* self) {
-short int var /* : Bool */;
-const char* var_class_name;
-var_class_name = self == NULL ? "null" : self->type->name;
-fprintf(stderr, "Runtime error: Abstract method `%s` called on `%s`", "eof", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 86);
+var22 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
+if (var22 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 189);
 show_backtrace(1);
-RET_LABEL:;
-return var;
-}
-/* method stream#IStream#eof for (self: Object): Bool */
-short int VIRTUAL_stream__IStream__eof(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = stream__IStream__eof(self);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#OStream#write for (self: OStream, String) */
-void stream__OStream__write(val* self, val* p0) {
-const char* var_class_name;
-var_class_name = self == NULL ? "null" : self->type->name;
-fprintf(stderr, "Runtime error: Abstract method `%s` called on `%s`", "write", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 94);
+} else {
+{ /* Inline string#FlatText#length (var22) on <var22:nullable FlatBuffer> */
+if (unlikely(var22 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 556);
 show_backtrace(1);
-RET_LABEL:;
 }
-/* method stream#OStream#write for (self: Object, String) */
-void VIRTUAL_stream__OStream__write(val* self, val* p0) {
-stream__OStream__write(self, p0);
-RET_LABEL:;
+var25 = var22->attrs[COLOR_string__FlatText___length].l; /* _length on <var22:nullable FlatBuffer> */
+var23 = var25;
+RET_LABEL24:(void)0;
 }
-/* method stream#OStream#is_writable for (self: OStream): Bool */
-short int stream__OStream__is_writable(val* self) {
-short int var /* : Bool */;
-const char* var_class_name;
-var_class_name = self == NULL ? "null" : self->type->name;
-fprintf(stderr, "Runtime error: Abstract method `%s` called on `%s`", "is_writable", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 97);
+}
+{
+{ /* Inline kernel#Int#>= (var18,var23) on <var18:Int> */
+/* Covariant cast for argument 0 (i) <var23:Int> isa OTHER */
+/* <var23:Int> isa OTHER */
+var28 = 1; /* easy <var23: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", 326);
 show_backtrace(1);
-RET_LABEL:;
-return var;
 }
-/* method stream#OStream#is_writable for (self: Object): Bool */
-short int VIRTUAL_stream__OStream__is_writable(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = stream__OStream__is_writable(self);
-var = var1;
-RET_LABEL:;
-return var;
+var32 = var18 >= var23;
+var26 = var32;
+goto RET_LABEL27;
+RET_LABEL27:(void)0;
 }
-/* method stream#Streamable#write_to for (self: Streamable, OStream) */
-void stream__Streamable__write_to(val* self, val* p0) {
-const char* var_class_name;
-var_class_name = self == NULL ? "null" : self->type->name;
-fprintf(stderr, "Runtime error: Abstract method `%s` called on `%s`", "write_to", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 106);
-show_backtrace(1);
-RET_LABEL:;
 }
-/* method stream#Streamable#write_to for (self: Object, OStream) */
-void VIRTUAL_stream__Streamable__write_to(val* self, val* p0) {
-stream__Streamable__write_to(self, p0);
-RET_LABEL:;
+if (var26){
+var33 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
+var_from = var33;
+var34 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
+if (var34 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 191);
+show_backtrace(1);
+} else {
+{ /* Inline string#FlatText#length (var34) on <var34:nullable FlatBuffer> */
+if (unlikely(var34 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 556);
+show_backtrace(1);
 }
-/* method stream#String#write_to for (self: String, OStream) */
-void stream__String__write_to(val* self, val* p0) {
-val* var_stream /* var stream: OStream */;
-var_stream = p0;
-((void (*)(val*, val*))(var_stream->class->vft[COLOR_stream__OStream__write]))(var_stream, self) /* write on <var_stream:OStream>*/;
-RET_LABEL:;
+var37 = var34->attrs[COLOR_string__FlatText___length].l; /* _length on <var34:nullable FlatBuffer> */
+var35 = var37;
+RET_LABEL36:(void)0;
 }
-/* method stream#String#write_to for (self: Object, OStream) */
-void VIRTUAL_stream__String__write_to(val* self, val* p0) {
-stream__String__write_to(self, p0);
-RET_LABEL:;
 }
-/* method stream#BufferedIStream#read_char for (self: BufferedIStream): Int */
-long stream__BufferedIStream__read_char(val* self) {
-long var /* : Int */;
-short int var1 /* : Bool */;
-short int var2 /* : Bool */;
-long var3 /* : Int */;
-val* var4 /* : nullable Buffer */;
-long var5 /* : Int */;
-short int var6 /* : Bool */;
-short int var8 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var9 /* : Bool */;
-long var10 /* : Int */;
-val* var11 /* : nullable Buffer */;
-long var12 /* : Int */;
-short int var13 /* : Bool */;
-short int var15 /* : Bool */;
-int cltype16;
-int idtype17;
-const char* var_class_name18;
-short int var19 /* : Bool */;
-long var20 /* : Int */;
-long var21 /* : Int */;
-long var23 /* : Int */;
-val* var24 /* : nullable Buffer */;
-val* var25 /* : StringCharView */;
-long var26 /* : Int */;
-val* var27 /* : nullable Object */;
-char var28 /* : Char */;
-char var_c /* var c: Char */;
-val* var_ /* var : BufferedIStream */;
-long var29 /* : Int */;
-long var30 /* : Int */;
-long var31 /* : Int */;
-long var33 /* : Int */;
-long var34 /* : Int */;
-long var36 /* : Int */;
-var1 = ((short int (*)(val*))(self->class->vft[COLOR_stream__IStream__eof]))(self) /* eof on <self:BufferedIStream>*/;
-var2 = !var1;
-if (!var2) {
-fprintf(stderr, "Runtime error: %s", "Assert failed");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 121);
+self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l = var35; /* _buffer_pos on <self:BufferedIStream> */
+var38 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
+if (var38 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 192);
 show_backtrace(1);
+} else {
+var39 = string__Text__substring_from(var38, var_from);
 }
-var3 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
-var4 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
-if (var4 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 122);
-show_backtrace(1);
+{
+var40 = string__FlatBuffer__to_s(var39);
+}
+var = var40;
+goto RET_LABEL;
 } else {
-var5 = ((long (*)(val*))(var4->class->vft[COLOR_abstract_collection__Collection__length]))(var4) /* length on <var4:nullable Buffer>*/;
 }
-{ /* Inline kernel#Int#>= (var3,var5) */
-/* Covariant cast for argument 0 (i) <var5:Int> isa OTHER */
-/* <var5:Int> isa OTHER */
-var8 = 1; /* easy <var5:Int> isa OTHER*/
-if (!var8) {
-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", 266);
+var_ = self;
+var41 = var_->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <var_:BufferedIStream> */
+{
+{ /* Inline kernel#Int#+ (var41,var_i) on <var41:Int> */
+/* Covariant cast for argument 0 (i) <var_i:Int> isa OTHER */
+/* <var_i:Int> isa OTHER */
+var44 = 1; /* easy <var_i:Int> isa OTHER*/
+if (unlikely(!var44)) {
+var_class_name47 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name47);
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/kernel.nit", 328);
 show_backtrace(1);
 }
-var9 = var3 >= var5;
-var6 = var9;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+var48 = var41 + var_i;
+var42 = var48;
+goto RET_LABEL43;
+RET_LABEL43:(void)0;
 }
-if (var6){
-((void (*)(val*))(self->class->vft[COLOR_stream__BufferedIStream__fill_buffer]))(self) /* fill_buffer on <self:BufferedIStream>*/;
-} else {
 }
-var10 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
-var11 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
-if (var11 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 125);
-show_backtrace(1);
-} else {
-var12 = ((long (*)(val*))(var11->class->vft[COLOR_abstract_collection__Collection__length]))(var11) /* length on <var11:nullable Buffer>*/;
-}
-{ /* Inline kernel#Int#>= (var10,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_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", 266);
+var_->attrs[COLOR_stream__BufferedIStream___buffer_pos].l = var42; /* _buffer_pos on <var_:BufferedIStream> */
+var49 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
+var50 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
+{
+{ /* Inline kernel#Int#- (var50,var_i) on <var50:Int> */
+/* Covariant cast for argument 0 (i) <var_i:Int> isa OTHER */
+/* <var_i:Int> isa OTHER */
+var53 = 1; /* easy <var_i: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", 331);
 show_backtrace(1);
 }
-var19 = var10 >= var12;
-var13 = var19;
-goto RET_LABEL14;
-RET_LABEL14:(void)0;
-}
-if (var13){
-var20 = 1;
-{ /* Inline kernel#Int#unary - (var20) */
-var23 = -var20;
-var21 = var23;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
+var57 = var50 - var_i;
+var51 = var57;
+goto RET_LABEL52;
+RET_LABEL52:(void)0;
 }
-var = var21;
-goto RET_LABEL;
-} else {
 }
-var24 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
-if (var24 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 128);
+if (var49 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 195);
 show_backtrace(1);
 } else {
-var25 = ((val* (*)(val*))(var24->class->vft[COLOR_string__AbstractString__chars]))(var24) /* chars on <var24:nullable Buffer>*/;
+var58 = string__FlatBuffer__substring(var49, var51, var_i);
 }
-var26 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
-var27 = ((val* (*)(val*, long))(var25->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var25, var26) /* [] on <var25:StringCharView(BufferCharView)>*/;
-var28 = ((struct instance_kernel__Char*)var27)->value; /* autounbox from nullable Object to Char */;
-var_c = var28;
-var_ = self;
-var29 = var_->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <var_:BufferedIStream> */
-var30 = 1;
-{ /* Inline kernel#Int#+ (var29,var30) */
-var33 = var29 + var30;
-var31 = var33;
-goto RET_LABEL32;
-RET_LABEL32:(void)0;
-}
-var_->attrs[COLOR_stream__BufferedIStream___buffer_pos].l = var31; /* _buffer_pos on <var_:BufferedIStream> */
-{ /* Inline kernel#Char#ascii (var_c) */
-var36 = (unsigned char)var_c;
-var34 = var36;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
+{
+var59 = string__FlatBuffer__to_s(var58);
 }
-var = var34;
+var = var59;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method stream#BufferedIStream#read_char for (self: Object): Int */
-long VIRTUAL_stream__BufferedIStream__read_char(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream__BufferedIStream__read_char(self);
+/* method stream#BufferedIStream#read for (self: Object, Int): String */
+val* VIRTUAL_stream__BufferedIStream__read(val* self, long p0) {
+val* var /* : String */;
+val* var1 /* : String */;
+var1 = stream__BufferedIStream__read(self, p0);
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method stream#BufferedIStream#read for (self: BufferedIStream, Int): String */
-val* stream__BufferedIStream__read(val* self, long p0) {
+/* method stream#BufferedIStream#read_all for (self: BufferedIStream): String */
+val* stream__BufferedIStream__read_all(val* self) {
 val* var /* : String */;
-long var_i /* var i: Int */;
-val* var1 /* : Buffer */;
-val* var_s /* var s: Buffer */;
-long var2 /* : Int */;
-long var_j /* var j: Int */;
-val* var3 /* : nullable Buffer */;
+val* var1 /* : FlatBuffer */;
+val* var_s /* var s: FlatBuffer */;
+short int var2 /* : Bool */;
+short int var3 /* : Bool */;
 long var4 /* : Int */;
+long var_j /* var j: Int */;
+val* var5 /* : nullable FlatBuffer */;
+long var6 /* : Int */;
+long var8 /* : Int */;
 long var_k /* var k: Int */;
-long var5 /* : Int */;
-short int var6 /* : Bool */;
-short int var8 /* : Bool */;
+short int var9 /* : Bool */;
+short int var11 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var9 /* : Bool */;
-short int var10 /* : Bool */;
 short int var12 /* : Bool */;
-int cltype13;
-int idtype14;
-const char* var_class_name15;
-short int var16 /* : Bool */;
-short int var17 /* : Bool */;
-val* var18 /* : String */;
+val* var13 /* : nullable FlatBuffer */;
+val* var14 /* : Sequence[Char] */;
+val* var16 /* : Sequence[Char] */;
+val* var17 /* : nullable Object */;
+char var18 /* : Char */;
 long var19 /* : Int */;
-val* var20 /* : nullable Buffer */;
-long var21 /* : Int */;
+long var20 /* : Int */;
 short int var22 /* : Bool */;
-short int var23 /* : Bool */;
-short int var25 /* : Bool */;
-int cltype26;
-int idtype27;
-const char* var_class_name28;
-short int var29 /* : Bool */;
-short int var_ /* var : Bool */;
-long var30 /* : Int */;
-short int var31 /* : Bool */;
-short int var33 /* : Bool */;
-int cltype34;
-int idtype35;
-const char* var_class_name36;
-short int var37 /* : Bool */;
-val* var38 /* : nullable Buffer */;
-val* var39 /* : StringCharView */;
-val* var40 /* : nullable Object */;
-long var41 /* : Int */;
-long var42 /* : Int */;
-long var44 /* : Int */;
-long var45 /* : Int */;
-long var46 /* : Int */;
-long var48 /* : Int */;
-val* var50 /* : String */;
-var_i = p0;
-var1 = NEW_string__Buffer(&type_string__Buffer);
-((void (*)(val*, long))(var1->class->vft[COLOR_string__Buffer__with_capacity]))(var1, var_i) /* with_capacity on <var1:Buffer>*/;
-var_s = var1;
-var2 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
-var_j = var2;
-var3 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
-if (var3 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 137);
-show_backtrace(1);
-} else {
-var4 = ((long (*)(val*))(var3->class->vft[COLOR_abstract_collection__Collection__length]))(var3) /* length on <var3:nullable Buffer>*/;
+int cltype23;
+int idtype24;
+const char* var_class_name25;
+long var26 /* : Int */;
+val* var28 /* : String */;
+var1 = NEW_string__FlatBuffer(&type_string__FlatBuffer);
+{
+string__FlatBuffer__init(var1); /* Direct call string#FlatBuffer#init on <var1:FlatBuffer>*/
 }
-var_k = var4;
+var_s = var1;
 for(;;) {
-var5 = 0;
-{ /* Inline kernel#Int#> (var_i,var5) */
-/* Covariant cast for argument 0 (i) <var5:Int> isa OTHER */
-/* <var5:Int> isa OTHER */
-var8 = 1; /* easy <var5:Int> isa OTHER*/
-if (!var8) {
-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", 267);
-show_backtrace(1);
-}
-var9 = var_i > var5;
-var6 = var9;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+{
+var2 = stream__BufferedIStream__eof(self);
 }
-if (!var6) break;
-{ /* Inline kernel#Int#>= (var_j,var_k) */
-/* Covariant cast for argument 0 (i) <var_k:Int> isa OTHER */
-/* <var_k:Int> isa OTHER */
-var12 = 1; /* easy <var_k: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", 266);
+var3 = !var2;
+if (!var3) break;
+var4 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
+var_j = var4;
+var5 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
+if (var5 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 203);
 show_backtrace(1);
-}
-var16 = var_j >= var_k;
-var10 = var16;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
-}
-if (var10){
-((void (*)(val*))(self->class->vft[COLOR_stream__BufferedIStream__fill_buffer]))(self) /* fill_buffer on <self:BufferedIStream>*/;
-var17 = ((short int (*)(val*))(self->class->vft[COLOR_stream__IStream__eof]))(self) /* eof on <self:BufferedIStream>*/;
-if (var17){
-var18 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var18;
-goto RET_LABEL;
 } else {
-}
-var19 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
-var_j = var19;
-var20 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
-if (var20 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 143);
+{ /* Inline string#FlatText#length (var5) on <var5:nullable FlatBuffer> */
+if (unlikely(var5 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 556);
 show_backtrace(1);
-} else {
-var21 = ((long (*)(val*))(var20->class->vft[COLOR_abstract_collection__Collection__length]))(var20) /* length on <var20:nullable Buffer>*/;
 }
-var_k = var21;
-} else {
+var8 = var5->attrs[COLOR_string__FlatText___length].l; /* _length on <var5:nullable FlatBuffer> */
+var6 = var8;
+RET_LABEL7:(void)0;
+}
 }
+var_k = var6;
 for(;;) {
-{ /* Inline kernel#Int#< (var_j,var_k) */
+{
+{ /* Inline kernel#Int#< (var_j,var_k) on <var_j:Int> */
 /* Covariant cast for argument 0 (i) <var_k:Int> isa OTHER */
 /* <var_k:Int> isa OTHER */
-var25 = 1; /* easy <var_k:Int> isa OTHER*/
-if (!var25) {
-var_class_name28 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name28);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 265);
-show_backtrace(1);
-}
-var29 = var_j < var_k;
-var23 = var29;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
-}
-var_ = var23;
-if (var23){
-var30 = 0;
-{ /* Inline kernel#Int#> (var_i,var30) */
-/* Covariant cast for argument 0 (i) <var30:Int> isa OTHER */
-/* <var30:Int> isa OTHER */
-var33 = 1; /* easy <var30:Int> isa OTHER*/
-if (!var33) {
-var_class_name36 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name36);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 267);
+var11 = 1; /* easy <var_k:Int> isa OTHER*/
+if (unlikely(!var11)) {
+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", 325);
 show_backtrace(1);
 }
-var37 = var_i > var30;
-var31 = var37;
-goto RET_LABEL32;
-RET_LABEL32:(void)0;
+var12 = var_j < var_k;
+var9 = var12;
+goto RET_LABEL10;
+RET_LABEL10:(void)0;
 }
-var22 = var31;
-} else {
-var22 = var_;
 }
-if (!var22) break;
-var38 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
-if (var38 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 146);
+if (!var9) break;
+var13 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
+if (var13 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 205);
 show_backtrace(1);
 } else {
-var39 = ((val* (*)(val*))(var38->class->vft[COLOR_string__AbstractString__chars]))(var38) /* chars on <var38:nullable Buffer>*/;
-}
-var40 = ((val* (*)(val*, long))(var39->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var39, var_j) /* [] on <var39:StringCharView(BufferCharView)>*/;
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_s, var40) /* add on <var_s:Buffer>*/;
-var41 = 1;
-{ /* Inline kernel#Int#+ (var_j,var41) */
-var44 = var_j + var41;
-var42 = var44;
-goto RET_LABEL43;
-RET_LABEL43:(void)0;
+{ /* Inline string#FlatBuffer#chars (var13) on <var13:nullable FlatBuffer> */
+if (unlikely(var13 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 1163);
+show_backtrace(1);
 }
-var_j = var42;
-var45 = 1;
-{ /* Inline kernel#Int#- (var_i,var45) */
-var48 = var_i - var45;
-var46 = var48;
-goto RET_LABEL47;
-RET_LABEL47:(void)0;
+var16 = var13->attrs[COLOR_string__FlatBuffer___chars].val; /* _chars on <var13:nullable FlatBuffer> */
+if (unlikely(var16 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 1163);
+show_backtrace(1);
 }
-var_i = var46;
-CONTINUE_label: (void)0;
+var14 = var16;
+RET_LABEL15:(void)0;
 }
-BREAK_label: (void)0;
-CONTINUE_label49: (void)0;
 }
-BREAK_label49: (void)0;
-self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l = var_j; /* _buffer_pos on <self:BufferedIStream> */
-var50 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var50;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+{
+var17 = ((val* (*)(val*, long))(var14->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var14, var_j) /* [] on <var14:Sequence[Char]>*/;
 }
-/* method stream#BufferedIStream#read for (self: Object, Int): String */
-val* VIRTUAL_stream__BufferedIStream__read(val* self, long p0) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = stream__BufferedIStream__read(self, p0);
-var = var1;
-RET_LABEL:;
-return var;
+{
+var18 = ((struct instance_kernel__Char*)var17)->value; /* autounbox from nullable Object to Char */;
+string__FlatBuffer__add(var_s, var18); /* Direct call string#FlatBuffer#add on <var_s:FlatBuffer>*/
 }
-/* method stream#BufferedIStream#read_all for (self: BufferedIStream): String */
-val* stream__BufferedIStream__read_all(val* self) {
-val* var /* : String */;
-val* var1 /* : Buffer */;
-val* var_s /* var s: Buffer */;
-short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-long var4 /* : Int */;
-long var_j /* var j: Int */;
-val* var5 /* : nullable Buffer */;
-long var6 /* : Int */;
-long var_k /* var k: Int */;
-short int var7 /* : Bool */;
-short int var9 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var10 /* : Bool */;
-val* var11 /* : nullable Buffer */;
-val* var12 /* : StringCharView */;
-val* var13 /* : nullable Object */;
-long var14 /* : Int */;
-long var15 /* : Int */;
-long var17 /* : Int */;
-val* var19 /* : 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;
-for(;;) {
-var2 = ((short int (*)(val*))(self->class->vft[COLOR_stream__IStream__eof]))(self) /* eof on <self:BufferedIStream>*/;
-var3 = !var2;
-if (!var3) break;
-var4 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
-var_j = var4;
-var5 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
-if (var5 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 160);
+var19 = 1;
+{
+{ /* Inline kernel#Int#+ (var_j,var19) on <var_j: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", 328);
 show_backtrace(1);
-} else {
-var6 = ((long (*)(val*))(var5->class->vft[COLOR_abstract_collection__Collection__length]))(var5) /* length on <var5:nullable Buffer>*/;
 }
-var_k = var6;
-for(;;) {
-{ /* Inline kernel#Int#< (var_j,var_k) */
-/* Covariant cast for argument 0 (i) <var_k:Int> isa OTHER */
-/* <var_k:Int> isa OTHER */
-var9 = 1; /* easy <var_k:Int> isa OTHER*/
-if (!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", 265);
-show_backtrace(1);
+var26 = var_j + var19;
+var20 = var26;
+goto RET_LABEL21;
+RET_LABEL21:(void)0;
 }
-var10 = var_j < var_k;
-var7 = var10;
-goto RET_LABEL8;
-RET_LABEL8:(void)0;
 }
-if (!var7) break;
-var11 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
-if (var11 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 162);
-show_backtrace(1);
-} else {
-var12 = ((val* (*)(val*))(var11->class->vft[COLOR_string__AbstractString__chars]))(var11) /* chars on <var11:nullable Buffer>*/;
-}
-var13 = ((val* (*)(val*, long))(var12->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var12, var_j) /* [] on <var12:StringCharView(BufferCharView)>*/;
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_s, var13) /* add on <var_s:Buffer>*/;
-var14 = 1;
-{ /* Inline kernel#Int#+ (var_j,var14) */
-var17 = var_j + var14;
-var15 = var17;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
-}
-var_j = var15;
+var_j = var20;
 CONTINUE_label: (void)0;
 }
 BREAK_label: (void)0;
 self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l = var_j; /* _buffer_pos on <self:BufferedIStream> */
-((void (*)(val*))(self->class->vft[COLOR_stream__BufferedIStream__fill_buffer]))(self) /* fill_buffer on <self:BufferedIStream>*/;
-CONTINUE_label18: (void)0;
+{
+file__IFStream__fill_buffer(self); /* Direct call file#IFStream#fill_buffer on <self:BufferedIStream>*/
 }
-BREAK_label18: (void)0;
-var19 = ((val* (*)(val*))(var_s->class->vft[COLOR_string__Object__to_s]))(var_s) /* to_s on <var_s:Buffer>*/;
-var = var19;
+CONTINUE_label27: (void)0;
+}
+BREAK_label27: (void)0;
+{
+var28 = string__FlatBuffer__to_s(var_s);
+}
+var = var28;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
@@ -884,65 +487,93 @@ val* var_s /* var s: Buffer */;
 long var /* : Int */;
 long var_i /* var i: Int */;
 short int var1 /* : Bool */;
-val* var2 /* : nullable Buffer */;
+val* var2 /* : nullable FlatBuffer */;
 long var3 /* : Int */;
-short int var4 /* : Bool */;
+long var5 /* : Int */;
 short int var6 /* : Bool */;
+short int var8 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var7 /* : Bool */;
+short int var9 /* : Bool */;
 short int var_ /* var : Bool */;
-val* var8 /* : nullable Buffer */;
-val* var9 /* : StringCharView */;
-val* var10 /* : nullable Object */;
-char var11 /* : Char */;
-short int var12 /* : Bool */;
-short int var14 /* : Bool */;
+val* var10 /* : nullable FlatBuffer */;
+val* var11 /* : Sequence[Char] */;
+val* var13 /* : Sequence[Char] */;
+val* var14 /* : nullable Object */;
 char var15 /* : Char */;
 short int var16 /* : Bool */;
-long var17 /* : Int */;
-long var18 /* : Int */;
-long var20 /* : 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 var17 /* : Bool */;
+short int var19 /* : Bool */;
+char var20 /* : Char */;
+short int var21 /* : Bool */;
+long var22 /* : Int */;
+long var23 /* : Int */;
+short int var25 /* : Bool */;
+int cltype26;
+int idtype27;
+const char* var_class_name28;
 long var29 /* : Int */;
 long var30 /* : Int */;
-long var32 /* : Int */;
-long var33 /* : Int */;
-long var34 /* : Int */;
-long var36 /* : Int */;
-long var37 /* : Int */;
-long var_j /* var j: Int */;
-short int var38 /* : Bool */;
-short int var40 /* : Bool */;
-int cltype41;
-int idtype42;
-const char* var_class_name43;
-short int var44 /* : Bool */;
-val* var45 /* : nullable Buffer */;
-val* var46 /* : StringCharView */;
-val* var47 /* : nullable Object */;
+short int var31 /* : Bool */;
+short int var33 /* : Bool */;
+int cltype34;
+int idtype35;
+const char* var_class_name36;
+short int var37 /* : Bool */;
+long var38 /* : Int */;
+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 var51 /* : Int */;
-val* var53 /* : nullable Buffer */;
-long var54 /* : Int */;
-short int var55 /* : Bool */;
+short int var51 /* : Bool */;
+int cltype52;
+int idtype53;
+const char* var_class_name54;
+long var55 /* : Int */;
+long var56 /* : Int */;
+long var_j /* var j: Int */;
 short int var57 /* : Bool */;
-int cltype58;
-int idtype59;
-const char* var_class_name60;
-short int var61 /* : Bool */;
-long var62 /* : Int */;
-long var63 /* : Int */;
-long var65 /* : Int */;
-short int var66 /* : Bool */;
+short int var59 /* : Bool */;
+int cltype60;
+int idtype61;
+const char* var_class_name62;
+short int var63 /* : Bool */;
+val* var64 /* : nullable FlatBuffer */;
+val* var65 /* : Sequence[Char] */;
+val* var67 /* : Sequence[Char] */;
+val* var68 /* : nullable Object */;
+char var69 /* : Char */;
+long var70 /* : Int */;
+long var71 /* : Int */;
+short int var73 /* : Bool */;
+int cltype74;
+int idtype75;
+const char* var_class_name76;
+long var77 /* : Int */;
+val* var79 /* : nullable FlatBuffer */;
+long var80 /* : Int */;
+long var82 /* : Int */;
+short int var83 /* : Bool */;
+short int var85 /* : Bool */;
+int cltype86;
+int idtype87;
+const char* var_class_name88;
+short int var89 /* : Bool */;
+long var90 /* : Int */;
+long var91 /* : Int */;
+short int var93 /* : Bool */;
+int cltype94;
+int idtype95;
+const char* var_class_name96;
+long var97 /* : Int */;
+short int var98 /* : Bool */;
+short int var100 /* : Bool */;
 var_s = p0;
 for(;;) {
 var = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
@@ -950,190 +581,325 @@ var_i = var;
 for(;;) {
 var2 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
 if (var2 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 176);
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 219);
 show_backtrace(1);
 } else {
-var3 = ((long (*)(val*))(var2->class->vft[COLOR_abstract_collection__Collection__length]))(var2) /* length on <var2:nullable Buffer>*/;
+{ /* Inline string#FlatText#length (var2) on <var2:nullable FlatBuffer> */
+if (unlikely(var2 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 556);
+show_backtrace(1);
+}
+var5 = var2->attrs[COLOR_string__FlatText___length].l; /* _length on <var2:nullable FlatBuffer> */
+var3 = var5;
+RET_LABEL4:(void)0;
+}
 }
-{ /* Inline kernel#Int#< (var_i,var3) */
+{
+{ /* Inline kernel#Int#< (var_i,var3) on <var_i:Int> */
 /* Covariant cast for argument 0 (i) <var3:Int> isa OTHER */
 /* <var3:Int> isa OTHER */
-var6 = 1; /* easy <var3:Int> isa OTHER*/
-if (!var6) {
+var8 = 1; /* easy <var3:Int> isa OTHER*/
+if (unlikely(!var8)) {
 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", 265);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/kernel.nit", 325);
 show_backtrace(1);
 }
-var7 = var_i < var3;
-var4 = var7;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
+var9 = var_i < var3;
+var6 = var9;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
 }
-var_ = var4;
-if (var4){
-var8 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
-if (var8 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 176);
+}
+var_ = var6;
+if (var6){
+var10 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
+if (var10 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 219);
 show_backtrace(1);
 } else {
-var9 = ((val* (*)(val*))(var8->class->vft[COLOR_string__AbstractString__chars]))(var8) /* chars on <var8:nullable Buffer>*/;
-}
-var10 = ((val* (*)(val*, long))(var9->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var9, var_i) /* [] on <var9:StringCharView(BufferCharView)>*/;
-var11 = '\n';
-{ /* Inline kernel#Char#!= (var10,var11) */
-var14 = (var10 != NULL) && (var10->class == &class_kernel__Char);
-if (var14) {
-var15 = ((struct instance_kernel__Char*)var10)->value; /* autounbox from nullable Object to Char */;
-var14 = (var15 == var11);
-}
-var16 = !var14;
-var12 = var16;
-goto RET_LABEL13;
-RET_LABEL13:(void)0;
-}
-var1 = var12;
+{ /* Inline string#FlatBuffer#chars (var10) on <var10:nullable FlatBuffer> */
+if (unlikely(var10 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 1163);
+show_backtrace(1);
+}
+var13 = var10->attrs[COLOR_string__FlatBuffer___chars].val; /* _chars on <var10:nullable FlatBuffer> */
+if (unlikely(var13 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 1163);
+show_backtrace(1);
+}
+var11 = var13;
+RET_LABEL12:(void)0;
+}
+}
+{
+var14 = ((val* (*)(val*, long))(var11->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var11, var_i) /* [] on <var11:Sequence[Char]>*/;
+}
+var15 = '\n';
+{
+{ /* Inline kernel#Char#!= (var14,var15) on <var14:nullable Object(Char)> */
+var19 = (var14 != NULL) && (var14->class == &class_kernel__Char);
+if (var19) {
+var20 = ((struct instance_kernel__Char*)var14)->value; /* autounbox from nullable Object to Char */;
+var19 = (var20 == var15);
+}
+var21 = !var19;
+var17 = var21;
+goto RET_LABEL18;
+RET_LABEL18:(void)0;
+}
+var16 = var17;
+}
+var1 = var16;
 } else {
 var1 = var_;
 }
 if (!var1) break;
-var17 = 1;
-{ /* Inline kernel#Int#+ (var_i,var17) */
-var20 = var_i + var17;
-var18 = var20;
-goto RET_LABEL19;
-RET_LABEL19:(void)0;
+var22 = 1;
+{
+{ /* Inline kernel#Int#+ (var_i,var22) on <var_i: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", 328);
+show_backtrace(1);
+}
+var29 = var_i + var22;
+var23 = var29;
+goto RET_LABEL24;
+RET_LABEL24:(void)0;
 }
-var_i = var18;
+}
+var_i = var23;
 CONTINUE_label: (void)0;
 }
 BREAK_label: (void)0;
-var21 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
-{ /* Inline kernel#Int#> (var_i,var21) */
-/* Covariant cast for argument 0 (i) <var21:Int> isa OTHER */
-/* <var21:Int> isa OTHER */
-var24 = 1; /* easy <var21:Int> isa OTHER*/
-if (!var24) {
-var_class_name27 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name27);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 267);
+var30 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
+{
+{ /* Inline kernel#Int#> (var_i,var30) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var30:Int> isa OTHER */
+/* <var30:Int> isa OTHER */
+var33 = 1; /* easy <var30:Int> isa OTHER*/
+if (unlikely(!var33)) {
+var_class_name36 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name36);
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/kernel.nit", 327);
 show_backtrace(1);
 }
-var28 = var_i > var21;
-var22 = var28;
-goto RET_LABEL23;
-RET_LABEL23:(void)0;
+var37 = var_i > var30;
+var31 = var37;
+goto RET_LABEL32;
+RET_LABEL32:(void)0;
+}
 }
-if (var22){
-var29 = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:Buffer>*/;
-{ /* Inline kernel#Int#+ (var29,var_i) */
-var32 = var29 + var_i;
-var30 = var32;
-goto RET_LABEL31;
-RET_LABEL31:(void)0;
+if (var31){
+{
+{ /* Inline string#FlatText#length (var_s) on <var_s:Buffer> */
+var40 = var_s->attrs[COLOR_string__FlatText___length].l; /* _length on <var_s:Buffer> */
+var38 = var40;
+RET_LABEL39:(void)0;
 }
-var33 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
-{ /* Inline kernel#Int#- (var30,var33) */
-var36 = var30 - var33;
-var34 = var36;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
-}
-((void (*)(val*, long))(var_s->class->vft[COLOR_array__AbstractArray__enlarge]))(var_s, var34) /* enlarge on <var_s:Buffer>*/;
-var37 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
-var_j = var37;
-for(;;) {
-{ /* Inline kernel#Int#< (var_j,var_i) */
+}
+{
+{ /* Inline kernel#Int#+ (var38,var_i) on <var38:Int> */
 /* Covariant cast for argument 0 (i) <var_i:Int> isa OTHER */
 /* <var_i:Int> isa OTHER */
-var40 = 1; /* easy <var_i: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", 265);
+var43 = 1; /* easy <var_i: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", 328);
 show_backtrace(1);
 }
-var44 = var_j < var_i;
-var38 = var44;
-goto RET_LABEL39;
-RET_LABEL39:(void)0;
+var47 = var38 + var_i;
+var41 = var47;
+goto RET_LABEL42;
+RET_LABEL42:(void)0;
+}
 }
-if (!var38) break;
-var45 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
-if (var45 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 186);
+var48 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
+{
+{ /* Inline kernel#Int#- (var41,var48) on <var41:Int> */
+/* Covariant cast for argument 0 (i) <var48:Int> isa OTHER */
+/* <var48:Int> isa OTHER */
+var51 = 1; /* easy <var48:Int> isa OTHER*/
+if (unlikely(!var51)) {
+var_class_name54 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name54);
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/kernel.nit", 331);
 show_backtrace(1);
-} else {
-var46 = ((val* (*)(val*))(var45->class->vft[COLOR_string__AbstractString__chars]))(var45) /* chars on <var45:nullable Buffer>*/;
-}
-var47 = ((val* (*)(val*, long))(var46->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var46, var_j) /* [] on <var46:StringCharView(BufferCharView)>*/;
-((void (*)(val*, val*))(var_s->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_s, var47) /* add on <var_s:Buffer>*/;
-var48 = 1;
-{ /* Inline kernel#Int#+ (var_j,var48) */
-var51 = var_j + var48;
-var49 = var51;
+}
+var55 = var41 - var48;
+var49 = var55;
 goto RET_LABEL50;
 RET_LABEL50:(void)0;
 }
-var_j = var49;
-CONTINUE_label52: (void)0;
 }
-BREAK_label52: (void)0;
+{
+string__FlatBuffer__enlarge(var_s, var49); /* Direct call string#FlatBuffer#enlarge on <var_s:Buffer>*/
+}
+var56 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
+var_j = var56;
+for(;;) {
+{
+{ /* Inline kernel#Int#< (var_j,var_i) on <var_j:Int> */
+/* Covariant cast for argument 0 (i) <var_i:Int> isa OTHER */
+/* <var_i:Int> isa OTHER */
+var59 = 1; /* easy <var_i: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", 325);
+show_backtrace(1);
+}
+var63 = var_j < var_i;
+var57 = var63;
+goto RET_LABEL58;
+RET_LABEL58:(void)0;
+}
+}
+if (!var57) break;
+var64 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
+if (var64 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 229);
+show_backtrace(1);
+} else {
+{ /* Inline string#FlatBuffer#chars (var64) on <var64:nullable FlatBuffer> */
+if (unlikely(var64 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 1163);
+show_backtrace(1);
+}
+var67 = var64->attrs[COLOR_string__FlatBuffer___chars].val; /* _chars on <var64:nullable FlatBuffer> */
+if (unlikely(var67 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 1163);
+show_backtrace(1);
+}
+var65 = var67;
+RET_LABEL66:(void)0;
+}
+}
+{
+var68 = ((val* (*)(val*, long))(var65->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(var65, var_j) /* [] on <var65:Sequence[Char]>*/;
+}
+{
+var69 = ((struct instance_kernel__Char*)var68)->value; /* autounbox from nullable Object to Char */;
+string__FlatBuffer__add(var_s, var69); /* Direct call string#FlatBuffer#add on <var_s:Buffer>*/
+}
+var70 = 1;
+{
+{ /* Inline kernel#Int#+ (var_j,var70) on <var_j: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", 328);
+show_backtrace(1);
+}
+var77 = var_j + var70;
+var71 = var77;
+goto RET_LABEL72;
+RET_LABEL72:(void)0;
+}
+}
+var_j = var71;
+CONTINUE_label78: (void)0;
+}
+BREAK_label78: (void)0;
 } else {
 }
-var53 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
-if (var53 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 191);
+var79 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
+if (var79 == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 234);
 show_backtrace(1);
 } else {
-var54 = ((long (*)(val*))(var53->class->vft[COLOR_abstract_collection__Collection__length]))(var53) /* length on <var53:nullable Buffer>*/;
-}
-{ /* Inline kernel#Int#< (var_i,var54) */
-/* Covariant cast for argument 0 (i) <var54:Int> isa OTHER */
-/* <var54:Int> isa OTHER */
-var57 = 1; /* easy <var54:Int> isa OTHER*/
-if (!var57) {
-var_class_name60 = type_kernel__Int.name;
-fprintf(stderr, "Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name60);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/kernel.nit", 265);
+{ /* Inline string#FlatText#length (var79) on <var79:nullable FlatBuffer> */
+if (unlikely(var79 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 556);
+show_backtrace(1);
+}
+var82 = var79->attrs[COLOR_string__FlatText___length].l; /* _length on <var79:nullable FlatBuffer> */
+var80 = var82;
+RET_LABEL81:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#< (var_i,var80) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var80:Int> isa OTHER */
+/* <var80:Int> isa OTHER */
+var85 = 1; /* easy <var80:Int> isa OTHER*/
+if (unlikely(!var85)) {
+var_class_name88 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name88);
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/kernel.nit", 325);
+show_backtrace(1);
+}
+var89 = var_i < var80;
+var83 = var89;
+goto RET_LABEL84;
+RET_LABEL84:(void)0;
+}
+}
+if (var83){
+var90 = 1;
+{
+{ /* Inline kernel#Int#+ (var_i,var90) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var90:Int> isa OTHER */
+/* <var90:Int> isa OTHER */
+var93 = 1; /* easy <var90:Int> isa OTHER*/
+if (unlikely(!var93)) {
+var_class_name96 = type_kernel__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name96);
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/kernel.nit", 328);
 show_backtrace(1);
 }
-var61 = var_i < var54;
-var55 = var61;
-goto RET_LABEL56;
-RET_LABEL56:(void)0;
+var97 = var_i + var90;
+var91 = var97;
+goto RET_LABEL92;
+RET_LABEL92:(void)0;
 }
-if (var55){
-var62 = 1;
-{ /* Inline kernel#Int#+ (var_i,var62) */
-var65 = var_i + var62;
-var63 = var65;
-goto RET_LABEL64;
-RET_LABEL64:(void)0;
 }
-self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l = var63; /* _buffer_pos on <self:BufferedIStream> */
+self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l = var91; /* _buffer_pos on <self:BufferedIStream> */
 goto RET_LABEL;
 } else {
 self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l = var_i; /* _buffer_pos on <self:BufferedIStream> */
-var66 = ((short int (*)(val*))(self->class->vft[COLOR_stream__BufferedIStream__end_reached]))(self) /* end_reached on <self:BufferedIStream>*/;
-if (var66){
+{
+{ /* Inline file#IFStream#end_reached (self) on <self:BufferedIStream> */
+var100 = self->attrs[COLOR_file__IFStream___end_reached].s; /* _end_reached on <self:BufferedIStream> */
+var98 = var100;
+RET_LABEL99:(void)0;
+}
+}
+if (var98){
 goto RET_LABEL;
 } else {
-((void (*)(val*))(self->class->vft[COLOR_stream__BufferedIStream__fill_buffer]))(self) /* fill_buffer on <self:BufferedIStream>*/;
+{
+file__IFStream__fill_buffer(self); /* Direct call file#IFStream#fill_buffer on <self:BufferedIStream>*/
+}
 }
 }
-CONTINUE_label67: (void)0;
+CONTINUE_label101: (void)0;
 }
-BREAK_label67: (void)0;
+BREAK_label101: (void)0;
 RET_LABEL:;
 }
 /* method stream#BufferedIStream#append_line_to for (self: Object, Buffer) */
 void VIRTUAL_stream__BufferedIStream__append_line_to(val* self, val* p0) {
-stream__BufferedIStream__append_line_to(self, p0);
+stream__BufferedIStream__append_line_to(self, p0); /* Direct call stream#BufferedIStream#append_line_to on <self:Object(BufferedIStream)>*/
 RET_LABEL:;
 }
 /* method stream#BufferedIStream#eof for (self: BufferedIStream): Bool */
@@ -1141,44 +907,63 @@ short int stream__BufferedIStream__eof(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
 long var2 /* : Int */;
-val* var3 /* : nullable Buffer */;
+val* var3 /* : nullable FlatBuffer */;
 long var4 /* : Int */;
-short int var5 /* : Bool */;
+long var6 /* : Int */;
 short int var7 /* : Bool */;
+short int var9 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var8 /* : Bool */;
+short int var10 /* : Bool */;
 short int var_ /* var : Bool */;
-short int var9 /* : Bool */;
+short int var11 /* : Bool */;
+short int var13 /* : Bool */;
 var2 = self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l; /* _buffer_pos on <self:BufferedIStream> */
 var3 = self->attrs[COLOR_stream__BufferedIStream___buffer].val; /* _buffer on <self:BufferedIStream> */
 if (var3 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Receiver is null");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 207);
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/stream.nit", 250);
 show_backtrace(1);
 } else {
-var4 = ((long (*)(val*))(var3->class->vft[COLOR_abstract_collection__Collection__length]))(var3) /* length on <var3:nullable Buffer>*/;
+{ /* Inline string#FlatText#length (var3) on <var3:nullable FlatBuffer> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/string.nit", 556);
+show_backtrace(1);
+}
+var6 = var3->attrs[COLOR_string__FlatText___length].l; /* _length on <var3:nullable FlatBuffer> */
+var4 = var6;
+RET_LABEL5:(void)0;
 }
-{ /* Inline kernel#Int#>= (var2,var4) */
+}
+{
+{ /* Inline kernel#Int#>= (var2,var4) on <var2:Int> */
 /* Covariant cast for argument 0 (i) <var4:Int> isa OTHER */
 /* <var4:Int> isa OTHER */
-var7 = 1; /* easy <var4:Int> isa OTHER*/
-if (!var7) {
+var9 = 1; /* easy <var4: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", 266);
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", "lib/standard/kernel.nit", 326);
 show_backtrace(1);
 }
-var8 = var2 >= var4;
-var5 = var8;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
+var10 = var2 >= var4;
+var7 = var10;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
+}
 }
-var_ = var5;
-if (var5){
-var9 = ((short int (*)(val*))(self->class->vft[COLOR_stream__BufferedIStream__end_reached]))(self) /* end_reached on <self:BufferedIStream>*/;
-var1 = var9;
+var_ = var7;
+if (var7){
+{
+{ /* Inline file#IFStream#end_reached (self) on <self:BufferedIStream> */
+var13 = self->attrs[COLOR_file__IFStream___end_reached].s; /* _end_reached on <self:BufferedIStream> */
+var11 = var13;
+RET_LABEL12:(void)0;
+}
+}
+var1 = var11;
 } else {
 var1 = var_;
 }
@@ -1196,48 +981,16 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method stream#BufferedIStream#fill_buffer for (self: BufferedIStream) */
-void stream__BufferedIStream__fill_buffer(val* self) {
-const char* var_class_name;
-var_class_name = self == NULL ? "null" : self->type->name;
-fprintf(stderr, "Runtime error: Abstract method `%s` called on `%s`", "fill_buffer", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 215);
-show_backtrace(1);
-RET_LABEL:;
-}
-/* method stream#BufferedIStream#fill_buffer for (self: Object) */
-void VIRTUAL_stream__BufferedIStream__fill_buffer(val* self) {
-stream__BufferedIStream__fill_buffer(self);
-RET_LABEL:;
-}
-/* method stream#BufferedIStream#end_reached for (self: BufferedIStream): Bool */
-short int stream__BufferedIStream__end_reached(val* self) {
-short int var /* : Bool */;
-const char* var_class_name;
-var_class_name = self == NULL ? "null" : self->type->name;
-fprintf(stderr, "Runtime error: Abstract method `%s` called on `%s`", "end_reached", var_class_name);
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 218);
-show_backtrace(1);
-RET_LABEL:;
-return var;
-}
-/* method stream#BufferedIStream#end_reached for (self: Object): Bool */
-short int VIRTUAL_stream__BufferedIStream__end_reached(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = stream__BufferedIStream__end_reached(self);
-var = var1;
-RET_LABEL:;
-return var;
-}
 /* method stream#BufferedIStream#prepare_buffer for (self: BufferedIStream, Int) */
 void stream__BufferedIStream__prepare_buffer(val* self, long p0) {
 long var_capacity /* var capacity: Int */;
-val* var /* : Buffer */;
+val* var /* : FlatBuffer */;
 long var1 /* : Int */;
 var_capacity = p0;
-var = NEW_string__Buffer(&type_string__Buffer);
-((void (*)(val*, long))(var->class->vft[COLOR_string__Buffer__with_capacity]))(var, var_capacity) /* with_capacity on <var:Buffer>*/;
+var = NEW_string__FlatBuffer(&type_string__FlatBuffer);
+{
+string__FlatBuffer__with_capacity(var, var_capacity); /* Direct call string#FlatBuffer#with_capacity on <var:FlatBuffer>*/
+}
 self->attrs[COLOR_stream__BufferedIStream___buffer].val = var; /* _buffer on <self:BufferedIStream> */
 var1 = 0;
 self->attrs[COLOR_stream__BufferedIStream___buffer_pos].l = var1; /* _buffer_pos on <self:BufferedIStream> */
@@ -1245,7 +998,7 @@ RET_LABEL:;
 }
 /* method stream#BufferedIStream#prepare_buffer for (self: Object, Int) */
 void VIRTUAL_stream__BufferedIStream__prepare_buffer(val* self, long p0) {
-stream__BufferedIStream__prepare_buffer(self, p0);
+stream__BufferedIStream__prepare_buffer(self, p0); /* Direct call stream#BufferedIStream#prepare_buffer on <self:Object(BufferedIStream)>*/
 RET_LABEL:;
 }
 /* method stream#BufferedIStream#init for (self: BufferedIStream) */
@@ -1254,648 +1007,8 @@ RET_LABEL:;
 }
 /* method stream#BufferedIStream#init for (self: Object) */
 void VIRTUAL_stream__BufferedIStream__init(val* self) {
-stream__BufferedIStream__init(self);
-RET_LABEL:;
-}
-/* method stream#FDStream#fd for (self: FDStream): Int */
-long stream__FDStream__fd(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = self->attrs[COLOR_stream__FDStream___64dfd].l; /* @fd on <self:FDStream> */
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#fd for (self: Object): Int */
-long VIRTUAL_stream__FDStream__fd(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream__FDStream__fd(self);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#fd= for (self: FDStream, Int) */
-void stream__FDStream__fd_61d(val* self, long p0) {
-self->attrs[COLOR_stream__FDStream___64dfd].l = p0; /* @fd on <self:FDStream> */
-RET_LABEL:;
-}
-/* method stream#FDStream#fd= for (self: Object, Int) */
-void VIRTUAL_stream__FDStream__fd_61d(val* self, long p0) {
-stream__FDStream__fd_61d(self, p0);
-RET_LABEL:;
-}
-/* method stream#FDStream#close for (self: FDStream) */
-void stream__FDStream__close(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var = ((long (*)(val*))(self->class->vft[COLOR_stream__FDStream__fd]))(self) /* fd on <self:FDStream>*/;
-var1 = ((long (*)(val*, long))(self->class->vft[COLOR_stream__FDStream__native_close]))(self, var) /* native_close on <self:FDStream>*/;
-var1;
-RET_LABEL:;
-}
-/* method stream#FDStream#close for (self: Object) */
-void VIRTUAL_stream__FDStream__close(val* self) {
-stream__FDStream__close(self);
-RET_LABEL:;
-}
-/* method stream#FDStream#native_close for (self: FDStream, Int): Int */
-long stream__FDStream__native_close(val* self, long p0) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream_FDStream_FDStream_native_close_1(self, p0);
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#native_close for (self: Object, Int): Int */
-long VIRTUAL_stream__FDStream__native_close(val* self, long p0) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream__FDStream__native_close(self, p0);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#native_read_char for (self: FDStream, Int): Int */
-long stream__FDStream__native_read_char(val* self, long p0) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream_FDStream_FDStream_native_read_char_1(self, p0);
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#native_read_char for (self: Object, Int): Int */
-long VIRTUAL_stream__FDStream__native_read_char(val* self, long p0) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream__FDStream__native_read_char(self, p0);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#native_read for (self: FDStream, Int, NativeString, Int): Int */
-long stream__FDStream__native_read(val* self, long p0, char* p1, long p2) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream_FDStream_FDStream_native_read_3(self, p0, p1, p2);
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#native_read for (self: Object, Int, NativeString, Int): Int */
-long VIRTUAL_stream__FDStream__native_read(val* self, long p0, char* p1, long p2) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream__FDStream__native_read(self, p0, p1, p2);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#native_write for (self: FDStream, Int, NativeString, Int): Int */
-long stream__FDStream__native_write(val* self, long p0, char* p1, long p2) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream_FDStream_FDStream_native_write_3(self, p0, p1, p2);
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#native_write for (self: Object, Int, NativeString, Int): Int */
-long VIRTUAL_stream__FDStream__native_write(val* self, long p0, char* p1, long p2) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream__FDStream__native_write(self, p0, p1, p2);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#native_write_char for (self: FDStream, Int, Char): Int */
-long stream__FDStream__native_write_char(val* self, long p0, char p1) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream_FDStream_FDStream_native_write_char_2(self, p0, p1);
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#native_write_char for (self: Object, Int, Char): Int */
-long VIRTUAL_stream__FDStream__native_write_char(val* self, long p0, char p1) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream__FDStream__native_write_char(self, p0, p1);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDStream#init for (self: FDStream, Int) */
-void stream__FDStream__init(val* self, long p0) {
-long var_fd /* var fd: Int */;
-var_fd = p0;
-((void (*)(val*, long))(self->class->vft[COLOR_stream__FDStream__fd_61d]))(self, var_fd) /* fd= on <self:FDStream>*/;
-RET_LABEL:;
-}
-/* method stream#FDStream#init for (self: Object, Int) */
-void VIRTUAL_stream__FDStream__init(val* self, long p0) {
-stream__FDStream__init(self, p0);
-RET_LABEL:;
-}
-/* method stream#FDIStream#eof for (self: FDIStream): Bool */
-short int stream__FDIStream__eof(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = self->attrs[COLOR_stream__FDIStream___64deof].s; /* @eof on <self:FDIStream> */
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDIStream#eof for (self: Object): Bool */
-short int VIRTUAL_stream__FDIStream__eof(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = stream__FDIStream__eof(self);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDIStream#eof= for (self: FDIStream, Bool) */
-void stream__FDIStream__eof_61d(val* self, short int p0) {
-self->attrs[COLOR_stream__FDIStream___64deof].s = p0; /* @eof on <self:FDIStream> */
-RET_LABEL:;
-}
-/* method stream#FDIStream#eof= for (self: Object, Bool) */
-void VIRTUAL_stream__FDIStream__eof_61d(val* self, short int p0) {
-stream__FDIStream__eof_61d(self, p0);
-RET_LABEL:;
-}
-/* method stream#FDIStream#read_char for (self: FDIStream): Int */
-long stream__FDIStream__read_char(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-long var2 /* : Int */;
-long var_nb /* var nb: Int */;
-long var3 /* : Int */;
-long var4 /* : Int */;
-long var6 /* : Int */;
-short int var7 /* : Bool */;
-short int var9 /* : Bool */;
-short int var10 /* : Bool */;
-var1 = ((long (*)(val*))(self->class->vft[COLOR_stream__FDStream__fd]))(self) /* fd on <self:FDIStream>*/;
-var2 = ((long (*)(val*, long))(self->class->vft[COLOR_stream__FDStream__native_read_char]))(self, var1) /* native_read_char on <self:FDIStream>*/;
-var_nb = var2;
-var3 = 1;
-{ /* Inline kernel#Int#unary - (var3) */
-var6 = -var3;
-var4 = var6;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
-}
-{ /* Inline kernel#Int#== (var_nb,var4) */
-var9 = var_nb == var4;
-var7 = var9;
-goto RET_LABEL8;
-RET_LABEL8:(void)0;
-}
-if (var7){
-var10 = 1;
-((void (*)(val*, short int))(self->class->vft[COLOR_stream__FDIStream__eof_61d]))(self, var10) /* eof= on <self:FDIStream>*/;
-} else {
-}
-var = var_nb;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDIStream#read_char for (self: Object): Int */
-long VIRTUAL_stream__FDIStream__read_char(val* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-var1 = stream__FDIStream__read_char(self);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDIStream#init for (self: FDIStream, Int) */
-void stream__FDIStream__init(val* self, long p0) {
-long var_fd /* var fd: Int */;
-var_fd = p0;
-((void (*)(val*, long))(self->class->vft[COLOR_stream__FDStream__init]))(self, p0) /* init on <self:FDIStream>*/;
-RET_LABEL:;
-}
-/* method stream#FDIStream#init for (self: Object, Int) */
-void VIRTUAL_stream__FDIStream__init(val* self, long p0) {
-stream__FDIStream__init(self, p0);
-RET_LABEL:;
-}
-/* method stream#FDOStream#is_writable for (self: FDOStream): Bool */
-short int stream__FDOStream__is_writable(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = self->attrs[COLOR_stream__FDOStream___64dis_writable].s; /* @is_writable on <self:FDOStream> */
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDOStream#is_writable for (self: Object): Bool */
-short int VIRTUAL_stream__FDOStream__is_writable(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = stream__FDOStream__is_writable(self);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#FDOStream#is_writable= for (self: FDOStream, Bool) */
-void stream__FDOStream__is_writable_61d(val* self, short int p0) {
-self->attrs[COLOR_stream__FDOStream___64dis_writable].s = p0; /* @is_writable on <self:FDOStream> */
-RET_LABEL:;
-}
-/* method stream#FDOStream#is_writable= for (self: Object, Bool) */
-void VIRTUAL_stream__FDOStream__is_writable_61d(val* self, short int p0) {
-stream__FDOStream__is_writable_61d(self, p0);
-RET_LABEL:;
-}
-/* method stream#FDOStream#write for (self: FDOStream, String) */
-void stream__FDOStream__write(val* self, val* p0) {
-val* var_s /* var s: String */;
-long var /* : Int */;
-char* var1 /* : NativeString */;
-long var2 /* : Int */;
-long var3 /* : Int */;
-long var_nb /* var nb: Int */;
-long var4 /* : Int */;
-short int var5 /* : Bool */;
-short int var7 /* : Bool */;
-int cltype;
-int idtype;
-const char* var_class_name;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-var_s = p0;
-var = ((long (*)(val*))(self->class->vft[COLOR_stream__FDStream__fd]))(self) /* fd on <self:FDOStream>*/;
-var1 = ((char* (*)(val*))(var_s->class->vft[COLOR_string__String__to_cstring]))(var_s) /* to_cstring on <var_s:String>*/;
-var2 = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:String>*/;
-var3 = ((long (*)(val*, long, char*, long))(self->class->vft[COLOR_stream__FDStream__native_write]))(self, var, var1, var2) /* native_write on <self:FDOStream>*/;
-var_nb = var3;
-var4 = ((long (*)(val*))(var_s->class->vft[COLOR_abstract_collection__Collection__length]))(var_s) /* length on <var_s:String>*/;
-{ /* Inline kernel#Int#< (var_nb,var4) */
-/* Covariant cast for argument 0 (i) <var4:Int> isa OTHER */
-/* <var4:Int> isa OTHER */
-var7 = 1; /* easy <var4:Int> isa OTHER*/
-if (!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", 265);
-show_backtrace(1);
-}
-var8 = var_nb < var4;
-var5 = var8;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
-}
-if (var5){
-var9 = 0;
-((void (*)(val*, short int))(self->class->vft[COLOR_stream__FDOStream__is_writable_61d]))(self, var9) /* is_writable= on <self:FDOStream>*/;
-} else {
-}
-RET_LABEL:;
-}
-/* method stream#FDOStream#write for (self: Object, String) */
-void VIRTUAL_stream__FDOStream__write(val* self, val* p0) {
-stream__FDOStream__write(self, p0);
-RET_LABEL:;
-}
-/* method stream#FDOStream#init for (self: FDOStream, Int) */
-void stream__FDOStream__init(val* self, long p0) {
-long var_fd /* var fd: Int */;
-short int var /* : Bool */;
-var_fd = p0;
-((void (*)(val*, long))(self->class->vft[COLOR_stream__FDStream__init]))(self, p0) /* init on <self:FDOStream>*/;
-var = 1;
-((void (*)(val*, short int))(self->class->vft[COLOR_stream__FDOStream__is_writable_61d]))(self, var) /* is_writable= on <self:FDOStream>*/;
-RET_LABEL:;
-}
-/* method stream#FDOStream#init for (self: Object, Int) */
-void VIRTUAL_stream__FDOStream__init(val* self, long p0) {
-stream__FDOStream__init(self, p0);
-RET_LABEL:;
-}
-/* method stream#FDIOStream#init for (self: FDIOStream, Int) */
-void stream__FDIOStream__init(val* self, long p0) {
-long var_fd /* var fd: Int */;
-short int var /* : Bool */;
-var_fd = p0;
-((void (*)(val*, long))(self->class->vft[COLOR_stream__FDIStream__init]))(self, p0) /* init on <self:FDIOStream>*/;
-((void (*)(val*, long))(self->class->vft[COLOR_stream__FDOStream__init]))(self, p0) /* init on <self:FDIOStream>*/;
-((void (*)(val*, long))(self->class->vft[COLOR_stream__FDStream__fd_61d]))(self, var_fd) /* fd= on <self:FDIOStream>*/;
-var = 1;
-((void (*)(val*, short int))(self->class->vft[COLOR_stream__FDOStream__is_writable_61d]))(self, var) /* is_writable= on <self:FDIOStream>*/;
-RET_LABEL:;
-}
-/* method stream#FDIOStream#init for (self: Object, Int) */
-void VIRTUAL_stream__FDIOStream__init(val* self, long p0) {
-stream__FDIOStream__init(self, p0);
-RET_LABEL:;
-}
-/* method stream#Object#poll for (self: Object, Sequence[FDStream]): nullable FDStream */
-val* stream__Object__poll(val* self, val* p0) {
-val* var /* : nullable FDStream */;
-val* var_streams /* var streams: Sequence[FDStream] */;
-val* var1 /* : Array[Int] */;
-val* var_in_fds /* var in_fds: Array[Int] */;
-val* var2 /* : Array[Int] */;
-val* var_out_fds /* var out_fds: Array[Int] */;
-val* var3 /* : HashMap[Int, FDStream] */;
-val* var_fd_to_stream /* var fd_to_stream: HashMap[Int, FDStream] */;
-val* var4 /* : Iterator[nullable Object] */;
-short int var5 /* : Bool */;
-val* var6 /* : nullable Object */;
-val* var_s /* var s: FDStream */;
-long var7 /* : Int */;
-long var_fd /* var fd: Int */;
-short int var8 /* : Bool */;
-int cltype;
-int idtype;
-val* var9 /* : nullable Object */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
-val* var13 /* : nullable Object */;
-val* var14 /* : Object */;
-val* var15 /* : nullable Int */;
-val* var_polled_fd /* var polled_fd: nullable Int */;
-val* var16 /* : null */;
-short int var17 /* : Bool */;
-val* var18 /* : null */;
-val* var19 /* : nullable Object */;
-var_streams = p0;
-var1 = NEW_array__Array(&type_array__Arraykernel__Int);
-((void (*)(val*))(var1->class->vft[COLOR_array__Array__init]))(var1) /* init on <var1:Array[Int]>*/;
-var_in_fds = var1;
-var2 = NEW_array__Array(&type_array__Arraykernel__Int);
-((void (*)(val*))(var2->class->vft[COLOR_array__Array__init]))(var2) /* init on <var2:Array[Int]>*/;
-var_out_fds = var2;
-var3 = NEW_hash_collection__HashMap(&type_hash_collection__HashMapkernel__Intstream__FDStream);
-((void (*)(val*))(var3->class->vft[COLOR_hash_collection__HashMap__init]))(var3) /* init on <var3:HashMap[Int, FDStream]>*/;
-var_fd_to_stream = var3;
-var4 = ((val* (*)(val*))(var_streams->class->vft[COLOR_abstract_collection__Collection__iterator]))(var_streams) /* iterator on <var_streams:Sequence[FDStream]>*/;
-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]>*/;
-var_s = var6;
-var7 = ((long (*)(val*))(var_s->class->vft[COLOR_stream__FDStream__fd]))(var_s) /* fd on <var_s:FDStream>*/;
-var_fd = var7;
-/* <var_s:FDStream> isa FDIStream */
-cltype = type_stream__FDIStream.color;
-idtype = type_stream__FDIStream.id;
-if(cltype >= var_s->type->table_size) {
-var8 = 0;
-} else {
-var8 = var_s->type->type_table[cltype] == idtype;
-}
-if (var8){
-var9 = BOX_kernel__Int(var_fd); /* autobox from Int to nullable Object */
-((void (*)(val*, val*))(var_in_fds->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_in_fds, var9) /* add on <var_in_fds:Array[Int]>*/;
-} else {
-}
-/* <var_s:FDStream> isa FDOStream */
-cltype11 = type_stream__FDOStream.color;
-idtype12 = type_stream__FDOStream.id;
-if(cltype11 >= var_s->type->table_size) {
-var10 = 0;
-} else {
-var10 = var_s->type->type_table[cltype11] == idtype12;
-}
-if (var10){
-var13 = BOX_kernel__Int(var_fd); /* autobox from Int to nullable Object */
-((void (*)(val*, val*))(var_out_fds->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var_out_fds, var13) /* add on <var_out_fds:Array[Int]>*/;
-} else {
-}
-var14 = BOX_kernel__Int(var_fd); /* autobox from Int to Object */
-((void (*)(val*, val*, val*))(var_fd_to_stream->class->vft[COLOR_abstract_collection__Map___91d_93d_61d]))(var_fd_to_stream, var14, var_s) /* []= on <var_fd_to_stream:HashMap[Int, FDStream]>*/;
-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;
-var15 = ((val* (*)(val*, val*, val*))(self->class->vft[COLOR_stream__Object__intern_poll]))(self, var_in_fds, var_out_fds) /* intern_poll on <self:Object>*/;
-var_polled_fd = var15;
-var16 = NULL;
-if (var_polled_fd == NULL) {
-var17 = 1; /* is null */
-} else {
-var17 = 0; /* arg is null but recv is not */
-}
-if (var17){
-var18 = NULL;
-var = var18;
-goto RET_LABEL;
-} else {
-var19 = ((val* (*)(val*, val*))(var_fd_to_stream->class->vft[COLOR_abstract_collection__MapRead___91d_93d]))(var_fd_to_stream, var_polled_fd) /* [] on <var_fd_to_stream:HashMap[Int, FDStream]>*/;
-var = var19;
-goto RET_LABEL;
-}
-RET_LABEL:;
-return var;
-}
-/* method stream#Object#poll for (self: Object, Sequence[FDStream]): nullable FDStream */
-val* VIRTUAL_stream__Object__poll(val* self, val* p0) {
-val* var /* : nullable FDStream */;
-val* var1 /* : nullable FDStream */;
-var1 = stream__Object__poll(self, p0);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#Object#intern_poll for (self: Object, Array[Int], Array[Int]): nullable Int */
-val* stream__Object__intern_poll(val* self, val* p0, val* p1) {
-val* var /* : nullable Int */;
-val* var1 /* : nullable Int */;
-struct nitni_instance* var_for_c_0;
-var_for_c_0 = malloc(sizeof(struct nitni_instance));
-var_for_c_0->value = self;
-struct nitni_instance* var_for_c_1;
-var_for_c_1 = malloc(sizeof(struct nitni_instance));
-var_for_c_1->value = p0;
-struct nitni_instance* var_for_c_2;
-var_for_c_2 = malloc(sizeof(struct nitni_instance));
-var_for_c_2->value = p1;
-struct nitni_instance* ret_var;
-ret_var = stream___Object_intern_poll___impl(var_for_c_0, var_for_c_1, var_for_c_2);
-var1 = ret_var->value;
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-#ifndef NIT_NULL_null_Int
-#define NIT_NULL_null_Int
-struct nitni_instance * stream___null_Int() {
-struct nitni_instance* ret_for_c;
-ret_for_c = malloc(sizeof(struct nitni_instance));
-ret_for_c->value = NULL;
-return ret_for_c;
-}
-#endif
-#ifndef NIT_NULL_null_Object
-#define NIT_NULL_null_Object
-struct nitni_instance * stream___null_Object() {
-struct nitni_instance* ret_for_c;
-ret_for_c = malloc(sizeof(struct nitni_instance));
-ret_for_c->value = NULL;
-return ret_for_c;
-}
-#endif
-/* nitni callback for standard::abstract_collection::Collection::length */
-int stream___Array_of_Int_length( struct nitni_instance * recv ) {
-long var /* : Int */;
-var = ((long (*)(val*))(recv->value->class->vft[COLOR_abstract_collection__Collection__length]))(recv->value) /* length on <recv->value:Array[Int]>*/;
-return var;
-}
-/* nitni callback for standard::abstract_collection::SequenceRead::[] */
-int stream___Array_of_Int__index( struct nitni_instance * recv, int index ) {
-val* var /* : nullable Object */;
-long var1 /* : Int */;
-var = ((val* (*)(val*, long))(recv->value->class->vft[COLOR_abstract_collection__SequenceRead___91d_93d]))(recv->value, index) /* [] on <recv->value:Array[Int]>*/;
-var1 = ((struct instance_kernel__Int*)var)->value; /* autounbox from nullable Object to Int */;
-return var1;
-}
-/* nitni check for Int to nullable Int */
-int stream___Int_is_a_nullable_Int(int from) {
-short int var /* : Bool */;
-int cltype;
-int idtype;
-/* <from->value:Int> isa nullable Int */
-var = 1; /* easy <from->value:Int> isa nullable Int*/
-return var;
-}
-/* nitni cast for Int to nullable Int */
-struct nitni_instance * stream___Int_as_nullable_Int(int from) {
-short int var /* : Bool */;
-int cltype;
-int idtype;
-val* var1 /* : nullable Int */;
-/* <from:Int> isa nullable Int */
-var = 1; /* easy <from:Int> isa nullable Int*/
-if (!var) {
-fprintf(stderr, "Runtime error: %s", "FFI cast failed");
-fprintf(stderr, "\n");
-show_backtrace(1);
-}
-var1 = BOX_kernel__Int(from); /* autobox from Int to nullable Int */
-struct nitni_instance* ret_for_c;
-ret_for_c = malloc(sizeof(struct nitni_instance));
-ret_for_c->value = var1;
-return ret_for_c;
-}
-/* method stream#Object#intern_poll for (self: Object, Array[Int], Array[Int]): nullable Int */
-val* VIRTUAL_stream__Object__intern_poll(val* self, val* p0, val* p1) {
-val* var /* : nullable Int */;
-val* var1 /* : nullable Int */;
-var1 = stream__Object__intern_poll(self, p0, p1);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#StringOStream#content for (self: StringOStream): Array[String] */
-val* stream__StringOStream__content(val* self) {
-val* var /* : Array[String] */;
-val* var1 /* : Array[String] */;
-var1 = self->attrs[COLOR_stream__StringOStream___64dcontent].val; /* @content on <self:StringOStream> */
-if (var1 == NULL) {
-fprintf(stderr, "Runtime error: %s", "Uninitialized attribute @content");
-fprintf(stderr, " (%s:%d)\n", "lib/standard/stream.nit", 377);
-show_backtrace(1);
-}
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#StringOStream#content for (self: Object): Array[String] */
-val* VIRTUAL_stream__StringOStream__content(val* self) {
-val* var /* : Array[String] */;
-val* var1 /* : Array[String] */;
-var1 = stream__StringOStream__content(self);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#StringOStream#content= for (self: StringOStream, Array[String]) */
-void stream__StringOStream__content_61d(val* self, val* p0) {
-self->attrs[COLOR_stream__StringOStream___64dcontent].val = p0; /* @content on <self:StringOStream> */
-RET_LABEL:;
-}
-/* method stream#StringOStream#content= for (self: Object, Array[String]) */
-void VIRTUAL_stream__StringOStream__content_61d(val* self, val* p0) {
-stream__StringOStream__content_61d(self, p0);
-RET_LABEL:;
-}
-/* method stream#StringOStream#to_s for (self: StringOStream): String */
-val* stream__StringOStream__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : Array[String] */;
-val* var2 /* : String */;
-var1 = ((val* (*)(val*))(self->class->vft[COLOR_stream__StringOStream__content]))(self) /* content on <self:StringOStream>*/;
-var2 = ((val* (*)(val*))(var1->class->vft[COLOR_string__Object__to_s]))(var1) /* to_s on <var1:Array[String]>*/;
-var = var2;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method stream#StringOStream#to_s for (self: Object): String */
-val* VIRTUAL_stream__StringOStream__to_s(val* self) {
-val* var /* : String */;
-val* var1 /* : String */;
-var1 = stream__StringOStream__to_s(self);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#StringOStream#is_writable for (self: StringOStream): Bool */
-short int stream__StringOStream__is_writable(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = 1;
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method stream#StringOStream#is_writable for (self: Object): Bool */
-short int VIRTUAL_stream__StringOStream__is_writable(val* self) {
-short int var /* : Bool */;
-short int var1 /* : Bool */;
-var1 = stream__StringOStream__is_writable(self);
-var = var1;
-RET_LABEL:;
-return var;
-}
-/* method stream#StringOStream#write for (self: StringOStream, String) */
-void stream__StringOStream__write(val* self, val* p0) {
-val* var_str /* var str: String */;
-val* var /* : Array[String] */;
-var_str = p0;
-var = ((val* (*)(val*))(self->class->vft[COLOR_stream__StringOStream__content]))(self) /* content on <self:StringOStream>*/;
-((void (*)(val*, val*))(var->class->vft[COLOR_abstract_collection__SimpleCollection__add]))(var, var_str) /* add on <var:Array[String]>*/;
-RET_LABEL:;
-}
-/* method stream#StringOStream#write for (self: Object, String) */
-void VIRTUAL_stream__StringOStream__write(val* self, val* p0) {
-stream__StringOStream__write(self, p0);
-RET_LABEL:;
-}
-/* method stream#StringOStream#init for (self: StringOStream) */
-void stream__StringOStream__init(val* self) {
-RET_LABEL:;
+{ /* Inline stream#BufferedIStream#init (self) on <self:Object(BufferedIStream)> */
+RET_LABEL1:(void)0;
 }
-/* method stream#StringOStream#init for (self: Object) */
-void VIRTUAL_stream__StringOStream__init(val* self) {
-stream__StringOStream__init(self);
 RET_LABEL:;
 }