c_src/syntax._sep.c

   1 /* This C file is generated by NIT to compile module syntax. */
   2 #include "syntax._sep.h"
   3 val_t syntax___SrcModuleLoader___file_type(val_t p0){
   4   struct {struct stack_frame_t me;} fra;
   5   val_t REGB0;
   6   val_t tmp;
   7   static val_t once_value_1; /* Once value */
   8   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   9   fra.me.file = LOCATE_syntax;
  10   fra.me.line = 31;
  11   fra.me.meth = LOCATE_syntax___SrcModuleLoader___file_type;
  12   fra.me.has_broke = 0;
  13   fra.me.REG_size = 1;
  14   fra.me.nitni_local_ref_head = NULL;
  15   fra.me.REG[0] = NIT_NULL;
  16   fra.me.REG[0] = p0;
  17   /* ./syntax//syntax.nit:31 */
  18   if (!once_value_1) {
  19     fra.me.REG[0] = BOX_NativeString("nit");
  20     REGB0 = TAG_Int(3);
  21     fra.me.REG[0] = NEW_String_standard___string___String___with_native(fra.me.REG[0], REGB0);
  22     once_value_1 = fra.me.REG[0];
  23     register_static_object(&once_value_1);
  24   } else fra.me.REG[0] = once_value_1;
  25   fra.me.REG[0] = fra.me.REG[0];
  26   goto label2;
  27   label2: while(0);
  28   stack_frame_head = fra.me.prev;
  29   return fra.me.REG[0];
  30 }
  31 val_t syntax___SrcModuleLoader___parse_file(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4, val_t p5){
  32   struct {struct stack_frame_t me; val_t MORE_REG[7];} fra;
  33   val_t REGB0;
  34   val_t REGB1;
  35   val_t REGB2;
  36   val_t tmp;
  37     static val_t once_value_4; /* Once value */
  38     static val_t once_value_5; /* Once value */
  39     static val_t once_value_6; /* Once value */
  40   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
  41   fra.me.file = LOCATE_syntax;
  42   fra.me.line = 33;
  43   fra.me.meth = LOCATE_syntax___SrcModuleLoader___parse_file;
  44   fra.me.has_broke = 0;
  45   fra.me.REG_size = 8;
  46   fra.me.nitni_local_ref_head = NULL;
  47   fra.me.REG[0] = NIT_NULL;
  48   fra.me.REG[1] = NIT_NULL;
  49   fra.me.REG[2] = NIT_NULL;
  50   fra.me.REG[3] = NIT_NULL;
  51   fra.me.REG[4] = NIT_NULL;
  52   fra.me.REG[5] = NIT_NULL;
  53   fra.me.REG[6] = NIT_NULL;
  54   fra.me.REG[7] = NIT_NULL;
  55   fra.me.REG[0] = p0;
  56   fra.me.REG[1] = p1;
  57   fra.me.REG[2] = p2;
  58   fra.me.REG[3] = p3;
  59   fra.me.REG[4] = p4;
  60   fra.me.REG[5] = p5;
  61   /* ./syntax//syntax.nit:35 */
  62   fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
  63   /* ./../lib/standard//collection//array.nit:24 */
  64   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
  65   if (UNTAG_Bool(REGB0)) {
  66   } else {
  67     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
  68   }
  69   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[6]);
  70   /* ./syntax//syntax.nit:35 */
  71   REGB1 = TAG_Int(0);
  72   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
  73   if (UNTAG_Bool(REGB2)) {
  74   } else {
  75     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
  76   }
  77   /* ./../lib/standard//kernel.nit:234 */
  78   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
  79   /* ./syntax//syntax.nit:35 */
  80   if (UNTAG_Bool(REGB1)) {
  81     fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
  82     REGB1 = TAG_Int(0);
  83     REGB1 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[6])(fra.me.REG[6], REGB1);
  84     REGB1 = CALL_standard___kernel___Char___is_lower(REGB1)(REGB1);
  85   } else {
  86     REGB0 = TAG_Bool(false);
  87     REGB1 = REGB0;
  88   }
  89   fra.me.REG[6] = REGB1;
  90   /* ./syntax//syntax.nit:36 */
  91   fra.me.REG[7] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
  92   CALL_standard___collection___abstract_collection___Collection___iterate(fra.me.REG[7])(fra.me.REG[7], (&(fra.me)), ((fun_t)OC_syntax___SrcModuleLoader___parse_file_1));
  93   switch ((&(fra.me))->has_broke) {
  94     case 0: break;
  95     case 1: (&(fra.me))->has_broke = 0; goto label3;
  96   }
  97   label3: while(0);
  98   /* ./syntax//syntax.nit:41 */
  99   REGB1 = TAG_Bool(!UNTAG_Bool(fra.me.REG[6]));
 100   if (UNTAG_Bool(REGB1)) {
 101     /* ./syntax//syntax.nit:42 */
 102     REGB1 = TAG_Int(5);
 103     fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
 104     if (!once_value_4) {
 105       fra.me.REG[7] = BOX_NativeString("");
 106       REGB1 = TAG_Int(0);
 107       fra.me.REG[7] = NEW_String_standard___string___String___with_native(fra.me.REG[7], REGB1);
 108       once_value_4 = fra.me.REG[7];
 109       register_static_object(&once_value_4);
 110     } else fra.me.REG[7] = once_value_4;
 111     fra.me.REG[7] = fra.me.REG[7];
 112     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
 113     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
 114     if (!once_value_5) {
 115       fra.me.REG[7] = BOX_NativeString(": Error module name \"");
 116       REGB1 = TAG_Int(21);
 117       fra.me.REG[7] = NEW_String_standard___string___String___with_native(fra.me.REG[7], REGB1);
 118       once_value_5 = fra.me.REG[7];
 119       register_static_object(&once_value_5);
 120     } else fra.me.REG[7] = once_value_5;
 121     fra.me.REG[7] = fra.me.REG[7];
 122     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
 123     fra.me.REG[7] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
 124     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
 125     if (!once_value_6) {
 126       fra.me.REG[7] = BOX_NativeString("\", must start with a lower case letter and contain only letters, digits and '_'.");
 127       REGB1 = TAG_Int(80);
 128       fra.me.REG[7] = NEW_String_standard___string___String___with_native(fra.me.REG[7], REGB1);
 129       once_value_6 = fra.me.REG[7];
 130       register_static_object(&once_value_6);
 131     } else fra.me.REG[7] = once_value_6;
 132     fra.me.REG[7] = fra.me.REG[7];
 133     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
 134     fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
 135     CALL_mmloader___ToolContext___error(fra.me.REG[1])(fra.me.REG[1], NIT_NULL, fra.me.REG[6]);
 136   }
 137   /* ./syntax//syntax.nit:45 */
 138   fra.me.REG[2] = NEW_SourceFile_location___SourceFile___init(fra.me.REG[3], fra.me.REG[2]);
 139   /* ./syntax//syntax.nit:46 */
 140   fra.me.REG[3] = NEW_Lexer_parser___lexer___Lexer___init(fra.me.REG[2]);
 141   /* ./syntax//syntax.nit:47 */
 142   fra.me.REG[3] = NEW_Parser_parser___Parser___init(fra.me.REG[3]);
 143   /* ./syntax//syntax.nit:48 */
 144   fra.me.REG[3] = CALL_parser___Parser___parse(fra.me.REG[3])(fra.me.REG[3]);
 145   /* ./syntax//syntax.nit:49 */
 146   fra.me.REG[6] = CALL_parser___parser_nodes___Start___n_base(fra.me.REG[3])(fra.me.REG[3]);
 147   REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
 148   if (UNTAG_Bool(REGB1)) {
 149   } else {
 150     REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
 151     if (UNTAG_Bool(REGB0)) {
 152       REGB0 = TAG_Bool(false);
 153       REGB1 = REGB0;
 154     } else {
 155       REGB0 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
 156       REGB1 = REGB0;
 157     }
 158   }
 159   if (UNTAG_Bool(REGB1)) {
 160     /* ./syntax//syntax.nit:50 */
 161     fra.me.REG[6] = CALL_parser___parser_nodes___Start___n_eof(fra.me.REG[3])(fra.me.REG[3]);
 162     /* ./syntax//syntax.nit:51 */
 163     REGB1 = TAG_Bool(VAL_ISA(fra.me.REG[6], COLOR_parser___parser_nodes___AError, ID_parser___parser_nodes___AError)) /*cast AError*/;
 164     if (UNTAG_Bool(REGB1)) {
 165     } else {
 166       nit_abort("Assert failed", NULL, LOCATE_syntax, 51);
 167     }
 168     /* ./syntax//syntax.nit:52 */
 169     fra.me.REG[0] = CALL_parser___parser_nodes___ANode___location(fra.me.REG[6])(fra.me.REG[6]);
 170     fra.me.REG[6] = CALL_parser___lexer___AError___message(fra.me.REG[6])(fra.me.REG[6]);
 171     CALL_mmloader___ToolContext___fatal_error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[6]);
 172   }
 173   /* ./syntax//syntax.nit:54 */
 174   fra.me.REG[3] = CALL_parser___parser_nodes___Start___n_base(fra.me.REG[3])(fra.me.REG[3]);
 175   /* ./syntax//syntax.nit:55 */
 176   REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
 177   if (UNTAG_Bool(REGB1)) {
 178   } else {
 179     REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
 180     if (UNTAG_Bool(REGB0)) {
 181       REGB0 = TAG_Bool(false);
 182       REGB1 = REGB0;
 183     } else {
 184       REGB0 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
 185       REGB1 = REGB0;
 186     }
 187   }
 188   REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
 189   if (UNTAG_Bool(REGB1)) {
 190   } else {
 191     nit_abort("Assert failed", NULL, LOCATE_syntax, 55);
 192   }
 193   /* ./syntax//syntax.nit:56 */
 194   fra.me.REG[2] = NEW_Location_location___Location___with_file(fra.me.REG[2]);
 195   /* ./syntax//syntax.nit:57 */
 196   fra.me.REG[2] = NEW_MMSrcModule_syntax___syntax_base___MMSrcModule___init(fra.me.REG[1], fra.me.REG[3], fra.me.REG[5], fra.me.REG[4], fra.me.REG[2]);
 197   /* ./syntax//syntax.nit:58 */
 198   goto label7;
 199   label7: while(0);
 200   stack_frame_head = fra.me.prev;
 201   return fra.me.REG[2];
 202 }
 203   void OC_syntax___SrcModuleLoader___parse_file_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
 204     struct {struct stack_frame_t me;} fra;
 205     val_t REGB0;
 206     val_t REGB1;
 207     val_t REGB2;
 208     fun_t CREG[1];
 209     val_t tmp;
 210     fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 211     fra.me.file = LOCATE_syntax;
 212     fra.me.line = 0;
 213     fra.me.meth = LOCATE_syntax___SrcModuleLoader___parse_file;
 214     fra.me.has_broke = 0;
 215     fra.me.REG_size = 1;
 216     fra.me.nitni_local_ref_head = NULL;
 217     fra.me.REG[0] = NIT_NULL;
 218     fra.me.closure_ctx = closctx_param;
 219     fra.me.closure_funs = CREG;
 220     fra.me.REG[0] = p0;
 221     CREG[0] = clos_fun0;
 222     REGB0 = fra.me.REG[0];
 223     REGB1 = CALL_standard___kernel___Char___is_digit(REGB0)(REGB0);
 224     REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
 225     if (UNTAG_Bool(REGB1)) {
 226       REGB1 = CALL_standard___kernel___Char___is_letter(REGB0)(REGB0);
 227       REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
 228     } else {
 229       REGB2 = TAG_Bool(false);
 230       REGB1 = REGB2;
 231     }
 232     if (UNTAG_Bool(REGB1)) {
 233       REGB1 = TAG_Char('_');
 234       REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
 235       if (UNTAG_Bool(REGB2)) {
 236       } else {
 237         /* ./../lib/standard//kernel.nit:378 */
 238         REGB1 = TAG_Bool((REGB0)==(REGB1));
 239         /* ./syntax//syntax.nit:36 */
 240         REGB2 = REGB1;
 241       }
 242       REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
 243     } else {
 244       REGB1 = TAG_Bool(false);
 245       REGB2 = REGB1;
 246     }
 247     if (UNTAG_Bool(REGB2)) {
 248       /* ./syntax//syntax.nit:38 */
 249       REGB2 = TAG_Bool(false);
 250       closctx->REG[6] = REGB2;
 251       /* ./syntax//syntax.nit:39 */
 252       closctx->has_broke = 1;
 253       goto label2;
 254     }
 255     label2: while(0);
 256     stack_frame_head = fra.me.prev;
 257     return;
 258   }
 259 void syntax___SrcModuleLoader___process_metamodel(val_t p0, val_t p1, val_t p2){
 260   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
 261   val_t REGB0;
 262   val_t tmp;
 263   static val_t once_value_1; /* Once value */
 264   static val_t once_value_2; /* Once value */
 265   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 266   fra.me.file = LOCATE_syntax;
 267   fra.me.line = 61;
 268   fra.me.meth = LOCATE_syntax___SrcModuleLoader___process_metamodel;
 269   fra.me.has_broke = 0;
 270   fra.me.REG_size = 4;
 271   fra.me.nitni_local_ref_head = NULL;
 272   fra.me.REG[0] = NIT_NULL;
 273   fra.me.REG[1] = NIT_NULL;
 274   fra.me.REG[2] = NIT_NULL;
 275   fra.me.REG[3] = NIT_NULL;
 276   fra.me.REG[0] = p0;
 277   fra.me.REG[1] = p1;
 278   fra.me.REG[2] = p2;
 279   REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[2], VTCOLOR_mmloader___ModuleLoader___MODULE(fra.me.REG[0]), VTID_mmloader___ModuleLoader___MODULE(fra.me.REG[0]))) /*cast MODULE*/;
 280   if (UNTAG_Bool(REGB0)) {
 281   } else {
 282     nit_abort("Cast failed", NULL, LOCATE_syntax, 0);
 283   }
 284   /* ./syntax//syntax.nit:63 */
 285   CALL_syntax___MMSrcModule___process_supermodules(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
 286   /* ./syntax//syntax.nit:64 */
 287   REGB0 = TAG_Int(3);
 288   fra.me.REG[0] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
 289   if (!once_value_1) {
 290     fra.me.REG[3] = BOX_NativeString("Syntax analysis for module: ");
 291     REGB0 = TAG_Int(28);
 292     fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB0);
 293     once_value_1 = fra.me.REG[3];
 294     register_static_object(&once_value_1);
 295   } else fra.me.REG[3] = once_value_1;
 296   fra.me.REG[3] = fra.me.REG[3];
 297   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
 298   fra.me.REG[3] = CALL_metamodel___abstractmetamodel___MMModule___name(fra.me.REG[2])(fra.me.REG[2]);
 299   fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
 300   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
 301   if (!once_value_2) {
 302     fra.me.REG[3] = BOX_NativeString("");
 303     REGB0 = TAG_Int(0);
 304     fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB0);
 305     once_value_2 = fra.me.REG[3];
 306     register_static_object(&once_value_2);
 307   } else fra.me.REG[3] = once_value_2;
 308   fra.me.REG[3] = fra.me.REG[3];
 309   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
 310   fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
 311   REGB0 = TAG_Int(2);
 312   CALL_mmloader___ToolContext___info(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], REGB0);
 313   /* ./syntax//syntax.nit:65 */
 314   CALL_syntax___MMSrcModule___process_syntax(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
 315   stack_frame_head = fra.me.prev;
 316   return;
 317 }
 318 void syntax___SrcModuleLoader___init(val_t p0, int* init_table){
 319   int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_syntax___SrcModuleLoader].i;
 320   struct {struct stack_frame_t me;} fra;
 321   val_t tmp;
 322   if (init_table[itpos0]) return;
 323   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 324   fra.me.file = LOCATE_syntax;
 325   fra.me.line = 68;
 326   fra.me.meth = LOCATE_syntax___SrcModuleLoader___init;
 327   fra.me.has_broke = 0;
 328   fra.me.REG_size = 1;
 329   fra.me.nitni_local_ref_head = NULL;
 330   fra.me.REG[0] = NIT_NULL;
 331   fra.me.REG[0] = p0;
 332   /* ./syntax//syntax.nit:68 */
 333   CALL_mmloader___ModuleLoader___init(fra.me.REG[0])(fra.me.REG[0], init_table);
 334   stack_frame_head = fra.me.prev;
 335   init_table[itpos0] = 1;
 336   return;
 337 }
 338 void syntax___MMSrcModule___process_supermodules(val_t p0, val_t p1){
 339   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
 340   val_t tmp;
 341   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 342   fra.me.file = LOCATE_syntax;
 343   fra.me.line = 72;
 344   fra.me.meth = LOCATE_syntax___MMSrcModule___process_supermodules;
 345   fra.me.has_broke = 0;
 346   fra.me.REG_size = 3;
 347   fra.me.nitni_local_ref_head = NULL;
 348   fra.me.REG[0] = NIT_NULL;
 349   fra.me.REG[1] = NIT_NULL;
 350   fra.me.REG[2] = NIT_NULL;
 351   fra.me.REG[0] = p0;
 352   fra.me.REG[1] = p1;
 353   /* ./syntax//syntax.nit:75 */
 354   fra.me.REG[2] = CALL_syntax___syntax_base___MMSrcModule___node(fra.me.REG[0])(fra.me.REG[0]);
 355   CALL_syntax___mmbuilder___AModule___import_super_modules(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1], fra.me.REG[0]);
 356   stack_frame_head = fra.me.prev;
 357   return;
 358 }
 359 void syntax___MMSrcModule___process_syntax(val_t p0, val_t p1){
 360   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
 361   val_t REGB0;
 362   val_t tmp;
 363   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 364   fra.me.file = LOCATE_syntax;
 365   fra.me.line = 78;
 366   fra.me.meth = LOCATE_syntax___MMSrcModule___process_syntax;
 367   fra.me.has_broke = 0;
 368   fra.me.REG_size = 2;
 369   fra.me.nitni_local_ref_head = NULL;
 370   fra.me.REG[0] = NIT_NULL;
 371   fra.me.REG[1] = NIT_NULL;
 372   fra.me.REG[0] = p0;
 373   fra.me.REG[1] = p1;
 374   /* ./syntax//syntax.nit:82 */
 375   CALL_syntax___mmbuilder___MMSrcModule___do_mmbuilder(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
 376   /* ./syntax//syntax.nit:83 */
 377   CALL_mmloader___ToolContext___check_errors(fra.me.REG[1])(fra.me.REG[1]);
 378   /* ./syntax//syntax.nit:85 */
 379   CALL_syntax___typing___MMSrcModule___do_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
 380   /* ./syntax//syntax.nit:86 */
 381   CALL_mmloader___ToolContext___check_errors(fra.me.REG[1])(fra.me.REG[1]);
 382   /* ./syntax//syntax.nit:88 */
 383   CALL_syntax___icode_generation___MMSrcModule___generate_icode(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
 384   /* ./syntax//syntax.nit:89 */
 385   CALL_mmloader___ToolContext___check_errors(fra.me.REG[1])(fra.me.REG[1]);
 386   /* ./syntax//syntax.nit:91 */
 387   REGB0 = CALL_syntax___ToolContext___keep_ast(fra.me.REG[1])(fra.me.REG[1]);
 388   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
 389   if (UNTAG_Bool(REGB0)) {
 390     CALL_syntax___syntax_base___MMSrcModule___clear_ast(fra.me.REG[0])(fra.me.REG[0]);
 391   }
 392   stack_frame_head = fra.me.prev;
 393   return;
 394 }
 395 val_t syntax___ToolContext___keep_ast(val_t p0){
 396   struct {struct stack_frame_t me;} fra;
 397   val_t REGB0;
 398   val_t tmp;
 399   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 400   fra.me.file = LOCATE_syntax;
 401   fra.me.line = 96;
 402   fra.me.meth = LOCATE_syntax___ToolContext___keep_ast;
 403   fra.me.has_broke = 0;
 404   fra.me.REG_size = 1;
 405   fra.me.nitni_local_ref_head = NULL;
 406   fra.me.REG[0] = NIT_NULL;
 407   fra.me.REG[0] = p0;
 408   /* ./syntax//syntax.nit:96 */
 409   REGB0 = TAG_Bool(ATTR_syntax___ToolContext____keep_ast(fra.me.REG[0])!=NIT_NULL);
 410   if (UNTAG_Bool(REGB0)) {
 411   } else {
 412     nit_abort("Uninitialized attribute %s", "_keep_ast", LOCATE_syntax, 96);
 413   }
 414   REGB0 = ATTR_syntax___ToolContext____keep_ast(fra.me.REG[0]);
 415   stack_frame_head = fra.me.prev;
 416   return REGB0;
 417 }
 418 void syntax___ToolContext___keep_ast__eq(val_t p0, val_t p1){
 419   struct {struct stack_frame_t me;} fra;
 420   val_t REGB0;
 421   val_t tmp;
 422   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 423   fra.me.file = LOCATE_syntax;
 424   fra.me.line = 96;
 425   fra.me.meth = LOCATE_syntax___ToolContext___keep_ast__eq;
 426   fra.me.has_broke = 0;
 427   fra.me.REG_size = 1;
 428   fra.me.nitni_local_ref_head = NULL;
 429   fra.me.REG[0] = NIT_NULL;
 430   fra.me.REG[0] = p0;
 431   REGB0 = p1;
 432   /* ./syntax//syntax.nit:96 */
 433   ATTR_syntax___ToolContext____keep_ast(fra.me.REG[0]) = REGB0;
 434   stack_frame_head = fra.me.prev;
 435   return;
 436 }