c_src/standard___string._sep.c

   1 /* This C file is generated by NIT to compile module standard___string. */
   2 #include "standard___string._sep.h"
   3 static const char LOCATE_standard___string___AbstractString___items[] = "string::AbstractString::items";
   4 val_t standard___string___AbstractString___items(val_t p0){
   5   struct {struct stack_frame_t me;} fra;
   6   val_t REGB0;
   7   val_t tmp;
   8   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   9   fra.me.file = LOCATE_standard___string;
  10   fra.me.line = 32;
  11   fra.me.meth = LOCATE_standard___string___AbstractString___items;
  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   /* ../lib/standard/string.nit:32 */
  18   REGB0 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
  19   if (UNTAG_Bool(REGB0)) {
  20   } else {
  21     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 32);
  22   }
  23   fra.me.REG[0] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
  24   stack_frame_head = fra.me.prev;
  25   return fra.me.REG[0];
  26 }
  27 static const char LOCATE_standard___string___AbstractString_____bra[] = "string::AbstractString::(abstract_collection::SequenceRead::[])";
  28 val_t standard___string___AbstractString_____bra(val_t p0, val_t p1){
  29   struct {struct stack_frame_t me;} fra;
  30   val_t REGB0;
  31   val_t REGB1;
  32   val_t tmp;
  33   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
  34   fra.me.file = LOCATE_standard___string;
  35   fra.me.line = 34;
  36   fra.me.meth = LOCATE_standard___string___AbstractString_____bra;
  37   fra.me.has_broke = 0;
  38   fra.me.REG_size = 1;
  39   fra.me.nitni_local_ref_head = NULL;
  40   fra.me.REG[0] = NIT_NULL;
  41   fra.me.REG[0] = p0;
  42   REGB0 = p1;
  43   /* ../lib/standard/string.nit:37 */
  44   REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
  45   if (UNTAG_Bool(REGB1)) {
  46   } else {
  47     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 37);
  48   }
  49   fra.me.REG[0] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
  50   /* ../lib/standard/string.nit:970 */
  51   REGB0 = TAG_Char(UNBOX_NativeString(fra.me.REG[0])[UNTAG_Int(REGB0)]);
  52   /* ../lib/standard/string.nit:37 */
  53   goto label1;
  54   label1: while(0);
  55   stack_frame_head = fra.me.prev;
  56   return REGB0;
  57 }
  58 static const char LOCATE_standard___string___AbstractString___substring[] = "string::AbstractString::substring";
  59 val_t standard___string___AbstractString___substring(val_t p0, val_t p1, val_t p2){
  60   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
  61   val_t REGB0;
  62   val_t REGB1;
  63   val_t REGB2;
  64   val_t REGB3;
  65   val_t tmp;
  66     static val_t once_value_3; /* Once value */
  67   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
  68   fra.me.file = LOCATE_standard___string;
  69   fra.me.line = 39;
  70   fra.me.meth = LOCATE_standard___string___AbstractString___substring;
  71   fra.me.has_broke = 0;
  72   fra.me.REG_size = 3;
  73   fra.me.nitni_local_ref_head = NULL;
  74   fra.me.REG[0] = NIT_NULL;
  75   fra.me.REG[1] = NIT_NULL;
  76   fra.me.REG[2] = NIT_NULL;
  77   fra.me.REG[0] = p0;
  78   REGB0 = p1;
  79   REGB1 = p2;
  80   /* ../lib/standard/string.nit:51 */
  81   REGB2 = TAG_Int(0);
  82   REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
  83   if (UNTAG_Bool(REGB3)) {
  84   } else {
  85     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
  86   }
  87   /* ../lib/standard/kernel.nit:243 */
  88   REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
  89   /* ../lib/standard/string.nit:51 */
  90   if (UNTAG_Bool(REGB2)) {
  91   } else {
  92     nit_abort("Assert failed", NULL, LOCATE_standard___string, 51);
  93   }
  94   /* ../lib/standard/kernel.nit:245 */
  95   REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB0));
  96   /* ../lib/standard/string.nit:52 */
  97   REGB1 = REGB2;
  98   /* ../lib/standard/string.nit:53 */
  99   REGB2 = TAG_Int(0);
 100   REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
 101   if (UNTAG_Bool(REGB3)) {
 102   } else {
 103     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 104   }
 105   /* ../lib/standard/kernel.nit:242 */
 106   REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
 107   /* ../lib/standard/string.nit:53 */
 108   if (UNTAG_Bool(REGB2)) {
 109     REGB2 = TAG_Int(0);
 110     REGB0 = REGB2;
 111   }
 112   /* ../lib/standard/collection/array.nit:24 */
 113   REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
 114   if (UNTAG_Bool(REGB2)) {
 115   } else {
 116     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
 117   }
 118   REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
 119   REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
 120   if (UNTAG_Bool(REGB3)) {
 121   } else {
 122     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 123   }
 124   /* ../lib/standard/kernel.nit:244 */
 125   REGB2 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB2));
 126   /* ../lib/standard/string.nit:54 */
 127   if (UNTAG_Bool(REGB2)) {
 128     /* ../lib/standard/collection/array.nit:24 */
 129     REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
 130     if (UNTAG_Bool(REGB2)) {
 131     } else {
 132       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
 133     }
 134     REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
 135     /* ../lib/standard/string.nit:54 */
 136     REGB1 = REGB2;
 137   }
 138   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
 139   if (UNTAG_Bool(REGB2)) {
 140   } else {
 141     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 142   }
 143   /* ../lib/standard/kernel.nit:242 */
 144   REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
 145   /* ../lib/standard/string.nit:55 */
 146   if (UNTAG_Bool(REGB2)) {
 147     /* ../lib/standard/kernel.nit:247 */
 148     REGB2 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
 149     /* ../lib/standard/string.nit:56 */
 150     fra.me.REG[1] = NEW_Buffer_standard___string___Buffer___with_capacity(REGB2);
 151     /* ../lib/standard/string.nit:57 */
 152     while(1) {
 153       REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
 154       if (UNTAG_Bool(REGB2)) {
 155       } else {
 156         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 157       }
 158       /* ../lib/standard/kernel.nit:242 */
 159       REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
 160       /* ../lib/standard/string.nit:57 */
 161       if (UNTAG_Bool(REGB2)) {
 162         /* ../lib/standard/string.nit:58 */
 163         REGB2 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
 164         if (UNTAG_Bool(REGB2)) {
 165         } else {
 166           nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 58);
 167         }
 168         fra.me.REG[2] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
 169         /* ../lib/standard/string.nit:970 */
 170         REGB2 = TAG_Char(UNBOX_NativeString(fra.me.REG[2])[UNTAG_Int(REGB0)]);
 171         /* ../lib/standard/string.nit:58 */
 172         CALL_standard___collection___abstract_collection___Sequence___push(fra.me.REG[1])(fra.me.REG[1], REGB2);
 173         /* ../lib/standard/string.nit:59 */
 174         REGB2 = TAG_Int(1);
 175         /* ../lib/standard/kernel.nit:245 */
 176         REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
 177         /* ../lib/standard/string.nit:59 */
 178         REGB0 = REGB2;
 179       } else {
 180         /* ../lib/standard/string.nit:57 */
 181         goto label1;
 182       }
 183     }
 184     label1: while(0);
 185     /* ../lib/standard/string.nit:61 */
 186     fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
 187     goto label2;
 188   } else {
 189     /* ../lib/standard/string.nit:63 */
 190     if (!once_value_3) {
 191       fra.me.REG[0] = BOX_NativeString("");
 192       REGB0 = TAG_Int(0);
 193       fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB0);
 194       once_value_3 = fra.me.REG[0];
 195       register_static_object(&once_value_3);
 196     } else fra.me.REG[0] = once_value_3;
 197     fra.me.REG[0] = fra.me.REG[0];
 198     fra.me.REG[1] = fra.me.REG[0];
 199     goto label2;
 200   }
 201   label2: while(0);
 202   stack_frame_head = fra.me.prev;
 203   return fra.me.REG[1];
 204 }
 205 static const char LOCATE_standard___string___AbstractString___substring_from[] = "string::AbstractString::substring_from";
 206 val_t standard___string___AbstractString___substring_from(val_t p0, val_t p1){
 207   struct {struct stack_frame_t me;} fra;
 208   val_t REGB0;
 209   val_t REGB1;
 210   val_t REGB2;
 211   val_t tmp;
 212   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 213   fra.me.file = LOCATE_standard___string;
 214   fra.me.line = 67;
 215   fra.me.meth = LOCATE_standard___string___AbstractString___substring_from;
 216   fra.me.has_broke = 0;
 217   fra.me.REG_size = 1;
 218   fra.me.nitni_local_ref_head = NULL;
 219   fra.me.REG[0] = NIT_NULL;
 220   fra.me.REG[0] = p0;
 221   REGB0 = p1;
 222   /* ../lib/standard/collection/array.nit:24 */
 223   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
 224   if (UNTAG_Bool(REGB1)) {
 225   } else {
 226     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
 227   }
 228   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
 229   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
 230   if (UNTAG_Bool(REGB2)) {
 231   } else {
 232     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 233   }
 234   /* ../lib/standard/kernel.nit:242 */
 235   REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
 236   /* ../lib/standard/string.nit:76 */
 237   if (UNTAG_Bool(REGB1)) {
 238   } else {
 239     nit_abort("Assert failed", NULL, LOCATE_standard___string, 76);
 240   }
 241   /* ../lib/standard/collection/array.nit:24 */
 242   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
 243   if (UNTAG_Bool(REGB1)) {
 244   } else {
 245     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
 246   }
 247   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
 248   /* ../lib/standard/kernel.nit:247 */
 249   REGB1 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
 250   /* ../lib/standard/string.nit:77 */
 251   fra.me.REG[0] = CALL_standard___string___AbstractString___substring(fra.me.REG[0])(fra.me.REG[0], REGB0, REGB1);
 252   goto label1;
 253   label1: while(0);
 254   stack_frame_head = fra.me.prev;
 255   return fra.me.REG[0];
 256 }
 257 static const char LOCATE_standard___string___AbstractString___has_substring[] = "string::AbstractString::has_substring";
 258 val_t standard___string___AbstractString___has_substring(val_t p0, val_t p1, val_t p2){
 259   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
 260   val_t REGB0;
 261   val_t REGB1;
 262   val_t REGB2;
 263   val_t REGB3;
 264   val_t REGB4;
 265   val_t REGB5;
 266   val_t REGB6;
 267   val_t tmp;
 268   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 269   fra.me.file = LOCATE_standard___string;
 270   fra.me.line = 80;
 271   fra.me.meth = LOCATE_standard___string___AbstractString___has_substring;
 272   fra.me.has_broke = 0;
 273   fra.me.REG_size = 4;
 274   fra.me.nitni_local_ref_head = NULL;
 275   fra.me.REG[0] = NIT_NULL;
 276   fra.me.REG[1] = NIT_NULL;
 277   fra.me.REG[2] = NIT_NULL;
 278   fra.me.REG[3] = NIT_NULL;
 279   fra.me.REG[0] = p0;
 280   fra.me.REG[1] = p1;
 281   REGB0 = p2;
 282   /* ../lib/standard/collection/array.nit:24 */
 283   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
 284   if (UNTAG_Bool(REGB1)) {
 285   } else {
 286     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
 287   }
 288   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
 289   /* ../lib/standard/string.nit:86 */
 290   REGB2 = TAG_Int(1);
 291   /* ../lib/standard/kernel.nit:247 */
 292   REGB2 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB2));
 293   /* ../lib/standard/kernel.nit:245 */
 294   REGB0 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
 295   /* ../lib/standard/string.nit:88 */
 296   REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
 297   if (UNTAG_Bool(REGB1)) {
 298   } else {
 299     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 88);
 300   }
 301   fra.me.REG[2] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
 302   /* ../lib/standard/string.nit:89 */
 303   REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[1])!=NIT_NULL);
 304   if (UNTAG_Bool(REGB1)) {
 305   } else {
 306     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 89);
 307   }
 308   fra.me.REG[3] = ATTR_standard___string___AbstractString____items(fra.me.REG[1]);
 309   /* ../lib/standard/collection/array.nit:24 */
 310   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
 311   if (UNTAG_Bool(REGB1)) {
 312   } else {
 313     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
 314   }
 315   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
 316   REGB3 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
 317   if (UNTAG_Bool(REGB3)) {
 318   } else {
 319     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 320   }
 321   /* ../lib/standard/kernel.nit:244 */
 322   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
 323   /* ../lib/standard/string.nit:90 */
 324   if (UNTAG_Bool(REGB1)) {
 325     REGB1 = TAG_Bool(1);
 326   } else {
 327     REGB3 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
 328     if (UNTAG_Bool(REGB3)) {
 329     } else {
 330       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 331     }
 332     /* ../lib/standard/kernel.nit:244 */
 333     REGB3 = TAG_Bool(UNTAG_Int(REGB2)>UNTAG_Int(REGB0));
 334     /* ../lib/standard/string.nit:90 */
 335     REGB1 = REGB3;
 336   }
 337   if (UNTAG_Bool(REGB1)) {
 338     REGB1 = TAG_Bool(0);
 339     goto label1;
 340   }
 341   /* ../lib/standard/string.nit:91 */
 342   REGB3 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[1])!=NIT_NULL);
 343   if (UNTAG_Bool(REGB3)) {
 344   } else {
 345     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 91);
 346   }
 347   REGB3 = ATTR_standard___string___String____index_from(fra.me.REG[1]);
 348   /* ../lib/standard/kernel.nit:245 */
 349   REGB4 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB3));
 350   /* ../lib/standard/string.nit:92 */
 351   REGB2 = REGB4;
 352   /* ../lib/standard/string.nit:93 */
 353   while(1) {
 354     REGB4 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
 355     if (UNTAG_Bool(REGB4)) {
 356     } else {
 357       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 358     }
 359     /* ../lib/standard/kernel.nit:243 */
 360     REGB4 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB3));
 361     /* ../lib/standard/string.nit:93 */
 362     if (UNTAG_Bool(REGB4)) {
 363       /* ../lib/standard/string.nit:970 */
 364       REGB4 = TAG_Char(UNBOX_NativeString(fra.me.REG[2])[UNTAG_Int(REGB0)]);
 365       REGB5 = TAG_Char(UNBOX_NativeString(fra.me.REG[3])[UNTAG_Int(REGB2)]);
 366       /* ../lib/standard/string.nit:94 */
 367       REGB6 = TAG_Bool(IS_EQUAL_OO(REGB4,REGB5));
 368       if (UNTAG_Bool(REGB6)) {
 369       } else {
 370         /* ../lib/standard/kernel.nit:434 */
 371         REGB5 = TAG_Bool((REGB4)==(REGB5));
 372         /* ../lib/standard/string.nit:94 */
 373         REGB6 = REGB5;
 374       }
 375       REGB6 = TAG_Bool(!UNTAG_Bool(REGB6));
 376       if (UNTAG_Bool(REGB6)) {
 377         REGB6 = TAG_Bool(0);
 378         REGB1 = REGB6;
 379         goto label1;
 380       }
 381       /* ../lib/standard/string.nit:95 */
 382       REGB6 = TAG_Int(1);
 383       /* ../lib/standard/kernel.nit:247 */
 384       REGB6 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB6));
 385       /* ../lib/standard/string.nit:95 */
 386       REGB0 = REGB6;
 387       /* ../lib/standard/string.nit:96 */
 388       REGB6 = TAG_Int(1);
 389       /* ../lib/standard/kernel.nit:247 */
 390       REGB6 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(REGB6));
 391       /* ../lib/standard/string.nit:96 */
 392       REGB2 = REGB6;
 393     } else {
 394       /* ../lib/standard/string.nit:93 */
 395       goto label2;
 396     }
 397   }
 398   label2: while(0);
 399   /* ../lib/standard/string.nit:98 */
 400   REGB2 = TAG_Bool(1);
 401   REGB1 = REGB2;
 402   goto label1;
 403   label1: while(0);
 404   stack_frame_head = fra.me.prev;
 405   return REGB1;
 406 }
 407 static const char LOCATE_standard___string___AbstractString___has_prefix[] = "string::AbstractString::has_prefix";
 408 val_t standard___string___AbstractString___has_prefix(val_t p0, val_t p1){
 409   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
 410   val_t REGB0;
 411   val_t tmp;
 412   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 413   fra.me.file = LOCATE_standard___string;
 414   fra.me.line = 101;
 415   fra.me.meth = LOCATE_standard___string___AbstractString___has_prefix;
 416   fra.me.has_broke = 0;
 417   fra.me.REG_size = 2;
 418   fra.me.nitni_local_ref_head = NULL;
 419   fra.me.REG[0] = NIT_NULL;
 420   fra.me.REG[1] = NIT_NULL;
 421   fra.me.REG[0] = p0;
 422   fra.me.REG[1] = p1;
 423   /* ../lib/standard/string.nit:105 */
 424   REGB0 = TAG_Int(0);
 425   REGB0 = CALL_standard___string___AbstractString___has_substring(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], REGB0);
 426   goto label1;
 427   label1: while(0);
 428   stack_frame_head = fra.me.prev;
 429   return REGB0;
 430 }
 431 static const char LOCATE_standard___string___AbstractString___has_suffix[] = "string::AbstractString::has_suffix";
 432 val_t standard___string___AbstractString___has_suffix(val_t p0, val_t p1){
 433   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
 434   val_t REGB0;
 435   val_t REGB1;
 436   val_t tmp;
 437   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 438   fra.me.file = LOCATE_standard___string;
 439   fra.me.line = 107;
 440   fra.me.meth = LOCATE_standard___string___AbstractString___has_suffix;
 441   fra.me.has_broke = 0;
 442   fra.me.REG_size = 2;
 443   fra.me.nitni_local_ref_head = NULL;
 444   fra.me.REG[0] = NIT_NULL;
 445   fra.me.REG[1] = NIT_NULL;
 446   fra.me.REG[0] = p0;
 447   fra.me.REG[1] = p1;
 448   /* ../lib/standard/collection/array.nit:24 */
 449   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
 450   if (UNTAG_Bool(REGB0)) {
 451   } else {
 452     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
 453   }
 454   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
 455   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
 456   if (UNTAG_Bool(REGB1)) {
 457   } else {
 458     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
 459   }
 460   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
 461   /* ../lib/standard/kernel.nit:247 */
 462   REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
 463   /* ../lib/standard/string.nit:111 */
 464   REGB1 = CALL_standard___string___AbstractString___has_substring(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], REGB1);
 465   goto label1;
 466   label1: while(0);
 467   stack_frame_head = fra.me.prev;
 468   return REGB1;
 469 }
 470 static const char LOCATE_standard___string___AbstractString___to_i[] = "string::AbstractString::to_i";
 471 val_t standard___string___AbstractString___to_i(val_t p0){
 472   struct {struct stack_frame_t me;} fra;
 473   val_t REGB0;
 474   val_t tmp;
 475   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 476   fra.me.file = LOCATE_standard___string;
 477   fra.me.line = 113;
 478   fra.me.meth = LOCATE_standard___string___AbstractString___to_i;
 479   fra.me.has_broke = 0;
 480   fra.me.REG_size = 1;
 481   fra.me.nitni_local_ref_head = NULL;
 482   fra.me.REG[0] = NIT_NULL;
 483   fra.me.REG[0] = p0;
 484   /* ../lib/standard/string.nit:120 */
 485   fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
 486   fra.me.REG[0] = CALL_standard___string___String___to_cstring(fra.me.REG[0])(fra.me.REG[0]);
 487   /* ../lib/standard/string.nit:981 */
 488   REGB0 = TAG_Int(atoi(UNBOX_NativeString(fra.me.REG[0])));
 489   /* ../lib/standard/string.nit:120 */
 490   goto label1;
 491   label1: while(0);
 492   stack_frame_head = fra.me.prev;
 493   return REGB0;
 494 }
 495 static const char LOCATE_standard___string___AbstractString___to_f[] = "string::AbstractString::to_f";
 496 val_t standard___string___AbstractString___to_f(val_t p0){
 497   struct {struct stack_frame_t me;} fra;
 498   val_t tmp;
 499   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 500   fra.me.file = LOCATE_standard___string;
 501   fra.me.line = 123;
 502   fra.me.meth = LOCATE_standard___string___AbstractString___to_f;
 503   fra.me.has_broke = 0;
 504   fra.me.REG_size = 1;
 505   fra.me.nitni_local_ref_head = NULL;
 506   fra.me.REG[0] = NIT_NULL;
 507   fra.me.REG[0] = p0;
 508   /* ../lib/standard/string.nit:131 */
 509   fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
 510   fra.me.REG[0] = CALL_standard___string___String___to_cstring(fra.me.REG[0])(fra.me.REG[0]);
 511   fra.me.REG[0] = CALL_standard___string___NativeString___atof(fra.me.REG[0])(fra.me.REG[0]);
 512   goto label1;
 513   label1: while(0);
 514   stack_frame_head = fra.me.prev;
 515   return fra.me.REG[0];
 516 }
 517 static const char LOCATE_standard___string___AbstractString___to_hex[] = "string::AbstractString::to_hex";
 518 val_t standard___string___AbstractString___to_hex(val_t p0){
 519   struct {struct stack_frame_t me;} fra;
 520   val_t REGB0;
 521   val_t tmp;
 522   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 523   fra.me.file = LOCATE_standard___string;
 524   fra.me.line = 134;
 525   fra.me.meth = LOCATE_standard___string___AbstractString___to_hex;
 526   fra.me.has_broke = 0;
 527   fra.me.REG_size = 1;
 528   fra.me.nitni_local_ref_head = NULL;
 529   fra.me.REG[0] = NIT_NULL;
 530   fra.me.REG[0] = p0;
 531   /* ../lib/standard/string.nit:135 */
 532   REGB0 = TAG_Int(16);
 533   REGB0 = CALL_standard___string___AbstractString___a_to(fra.me.REG[0])(fra.me.REG[0], REGB0);
 534   goto label1;
 535   label1: while(0);
 536   stack_frame_head = fra.me.prev;
 537   return REGB0;
 538 }
 539 static const char LOCATE_standard___string___AbstractString___a_to[] = "string::AbstractString::a_to";
 540 val_t standard___string___AbstractString___a_to(val_t p0, val_t p1){
 541   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
 542   val_t REGB0;
 543   val_t tmp;
 544   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 545   fra.me.file = LOCATE_standard___string;
 546   fra.me.line = 137;
 547   fra.me.meth = LOCATE_standard___string___AbstractString___a_to;
 548   fra.me.has_broke = 0;
 549   fra.me.REG_size = 4;
 550   fra.me.nitni_local_ref_head = NULL;
 551   fra.me.REG[0] = NIT_NULL;
 552   fra.me.REG[1] = NIT_NULL;
 553   fra.me.REG[2] = NIT_NULL;
 554   fra.me.REG[3] = NIT_NULL;
 555   fra.me.REG[0] = p0;
 556   REGB0 = p1;
 557   /* ../lib/standard/string.nit:137 */
 558   fra.me.REG[1] = REGB0;
 559   /* ../lib/standard/string.nit:142 */
 560   REGB0 = TAG_Int(0);
 561   fra.me.REG[2] = REGB0;
 562   /* ../lib/standard/string.nit:143 */
 563   REGB0 = TAG_Bool(0);
 564   fra.me.REG[3] = REGB0;
 565   CALL_standard___collection___abstract_collection___Collection___iterate(fra.me.REG[0])(fra.me.REG[0], (&(fra.me)), ((fun_t)OC_standard___string___AbstractString___a_to_1));
 566   switch ((&(fra.me))->has_broke) {
 567     case 0: break;
 568     case 1: (&(fra.me))->has_broke = 0; goto label3;
 569   }
 570   /* ../lib/standard/string.nit:160 */
 571   if (UNTAG_Bool(fra.me.REG[3])) {
 572     /* ../lib/standard/kernel.nit:246 */
 573     REGB0 = TAG_Int(-UNTAG_Int(fra.me.REG[2]));
 574     /* ../lib/standard/string.nit:161 */
 575     fra.me.REG[0] = REGB0;
 576     goto label3;
 577   } else {
 578     /* ../lib/standard/string.nit:163 */
 579     fra.me.REG[0] = fra.me.REG[2];
 580     goto label3;
 581   }
 582   label3: while(0);
 583   stack_frame_head = fra.me.prev;
 584   return fra.me.REG[0];
 585 }
 586   void OC_standard___string___AbstractString___a_to_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
 587     struct {struct stack_frame_t me;} fra;
 588     val_t REGB0;
 589     val_t REGB1;
 590     val_t REGB2;
 591     fun_t CREG[1];
 592     val_t tmp;
 593     /* ../lib/standard/string.nit:145 */
 594     fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 595     fra.me.file = LOCATE_standard___string;
 596     fra.me.line = 0;
 597     fra.me.meth = LOCATE_standard___string___AbstractString___a_to;
 598     fra.me.has_broke = 0;
 599     fra.me.REG_size = 1;
 600     fra.me.nitni_local_ref_head = NULL;
 601     fra.me.REG[0] = NIT_NULL;
 602     fra.me.closure_ctx = closctx_param;
 603     fra.me.closure_funs = CREG;
 604     fra.me.REG[0] = p0;
 605     CREG[0] = clos_fun0;
 606     REGB0 = fra.me.REG[0];
 607     /* ../lib/standard/string.nit:147 */
 608     REGB0 = CALL_standard___kernel___Char___to_i(REGB0)(REGB0);
 609     REGB1 = TAG_Bool(VAL_ISA(closctx->REG[1], VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
 610     if (UNTAG_Bool(REGB1)) {
 611     } else {
 612       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 613     }
 614     /* ../lib/standard/kernel.nit:244 */
 615     REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(closctx->REG[1]));
 616     /* ../lib/standard/string.nit:148 */
 617     if (UNTAG_Bool(REGB1)) {
 618       /* ../lib/standard/string.nit:149 */
 619       if (UNTAG_Bool(closctx->REG[3])) {
 620         /* ../lib/standard/kernel.nit:246 */
 621         REGB1 = TAG_Int(-UNTAG_Int(closctx->REG[2]));
 622         /* ../lib/standard/string.nit:150 */
 623         closctx->REG[0] = REGB1;
 624         closctx->has_broke = 1;
 625         goto label2;
 626       } else {
 627         /* ../lib/standard/string.nit:152 */
 628         closctx->REG[0] = closctx->REG[2];
 629         closctx->has_broke = 1;
 630         goto label2;
 631       }
 632     } else {
 633       /* ../lib/standard/string.nit:154 */
 634       REGB1 = TAG_Int(0);
 635       REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
 636       if (UNTAG_Bool(REGB2)) {
 637       } else {
 638         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 639       }
 640       /* ../lib/standard/kernel.nit:242 */
 641       REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
 642       /* ../lib/standard/string.nit:154 */
 643       if (UNTAG_Bool(REGB1)) {
 644         /* ../lib/standard/string.nit:155 */
 645         REGB1 = TAG_Bool(1);
 646         closctx->REG[3] = REGB1;
 647       } else {
 648         /* ../lib/standard/kernel.nit:248 */
 649         REGB1 = TAG_Int(UNTAG_Int(closctx->REG[2])*UNTAG_Int(closctx->REG[1]));
 650         /* ../lib/standard/kernel.nit:245 */
 651         REGB0 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB0));
 652         /* ../lib/standard/string.nit:157 */
 653         closctx->REG[2] = REGB0;
 654       }
 655     }
 656     label2: while(0);
 657     stack_frame_head = fra.me.prev;
 658     return;
 659   }
 660 static const char LOCATE_standard___string___AbstractString___is_numeric[] = "string::AbstractString::is_numeric";
 661 val_t standard___string___AbstractString___is_numeric(val_t p0){
 662   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
 663   val_t REGB0;
 664   val_t tmp;
 665   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 666   fra.me.file = LOCATE_standard___string;
 667   fra.me.line = 167;
 668   fra.me.meth = LOCATE_standard___string___AbstractString___is_numeric;
 669   fra.me.has_broke = 0;
 670   fra.me.REG_size = 2;
 671   fra.me.nitni_local_ref_head = NULL;
 672   fra.me.REG[0] = NIT_NULL;
 673   fra.me.REG[1] = NIT_NULL;
 674   fra.me.REG[0] = p0;
 675   /* ../lib/standard/string.nit:175 */
 676   REGB0 = TAG_Bool(0);
 677   fra.me.REG[1] = REGB0;
 678   CALL_standard___collection___abstract_collection___Collection___iterate(fra.me.REG[0])(fra.me.REG[0], (&(fra.me)), ((fun_t)OC_standard___string___AbstractString___is_numeric_1));
 679   switch ((&(fra.me))->has_broke) {
 680     case 0: break;
 681     case 1: (&(fra.me))->has_broke = 0; goto label3;
 682   }
 683   /* ../lib/standard/string.nit:188 */
 684   REGB0 = TAG_Bool(1);
 685   fra.me.REG[0] = REGB0;
 686   goto label3;
 687   label3: while(0);
 688   stack_frame_head = fra.me.prev;
 689   return fra.me.REG[0];
 690 }
 691   void OC_standard___string___AbstractString___is_numeric_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
 692     struct {struct stack_frame_t me;} fra;
 693     val_t REGB0;
 694     val_t REGB1;
 695     val_t REGB2;
 696     val_t REGB3;
 697     fun_t CREG[1];
 698     val_t tmp;
 699     /* ../lib/standard/string.nit:176 */
 700     fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 701     fra.me.file = LOCATE_standard___string;
 702     fra.me.line = 0;
 703     fra.me.meth = LOCATE_standard___string___AbstractString___is_numeric;
 704     fra.me.has_broke = 0;
 705     fra.me.REG_size = 1;
 706     fra.me.nitni_local_ref_head = NULL;
 707     fra.me.REG[0] = NIT_NULL;
 708     fra.me.closure_ctx = closctx_param;
 709     fra.me.closure_funs = CREG;
 710     fra.me.REG[0] = p0;
 711     CREG[0] = clos_fun0;
 712     REGB0 = fra.me.REG[0];
 713     /* ../lib/standard/string.nit:178 */
 714     REGB1 = CALL_standard___string___Char___is_numeric(REGB0)(REGB0);
 715     REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
 716     if (UNTAG_Bool(REGB1)) {
 717       /* ../lib/standard/string.nit:180 */
 718       REGB1 = TAG_Char('.');
 719       REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
 720       if (UNTAG_Bool(REGB2)) {
 721       } else {
 722         /* ../lib/standard/kernel.nit:434 */
 723         REGB1 = TAG_Bool((REGB0)==(REGB1));
 724         /* ../lib/standard/string.nit:180 */
 725         REGB2 = REGB1;
 726       }
 727       if (UNTAG_Bool(REGB2)) {
 728         REGB2 = TAG_Bool(1);
 729       } else {
 730         REGB1 = TAG_Char(',');
 731         REGB3 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
 732         if (UNTAG_Bool(REGB3)) {
 733         } else {
 734           /* ../lib/standard/kernel.nit:434 */
 735           REGB1 = TAG_Bool((REGB0)==(REGB1));
 736           /* ../lib/standard/string.nit:180 */
 737           REGB3 = REGB1;
 738         }
 739         REGB2 = REGB3;
 740       }
 741       if (UNTAG_Bool(REGB2)) {
 742         REGB2 = TAG_Bool(!UNTAG_Bool(closctx->REG[1]));
 743       } else {
 744         REGB3 = TAG_Bool(0);
 745         REGB2 = REGB3;
 746       }
 747       if (UNTAG_Bool(REGB2)) {
 748         /* ../lib/standard/string.nit:182 */
 749         REGB2 = TAG_Bool(1);
 750         closctx->REG[1] = REGB2;
 751       } else {
 752         /* ../lib/standard/string.nit:184 */
 753         REGB2 = TAG_Bool(0);
 754         closctx->REG[0] = REGB2;
 755         closctx->has_broke = 1;
 756         goto label2;
 757       }
 758     }
 759     label2: while(0);
 760     stack_frame_head = fra.me.prev;
 761     return;
 762   }
 763 static const char LOCATE_standard___string___AbstractString___to_upper[] = "string::AbstractString::to_upper";
 764 val_t standard___string___AbstractString___to_upper(val_t p0){
 765   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
 766   val_t REGB0;
 767   val_t tmp;
 768   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 769   fra.me.file = LOCATE_standard___string;
 770   fra.me.line = 191;
 771   fra.me.meth = LOCATE_standard___string___AbstractString___to_upper;
 772   fra.me.has_broke = 0;
 773   fra.me.REG_size = 2;
 774   fra.me.nitni_local_ref_head = NULL;
 775   fra.me.REG[0] = NIT_NULL;
 776   fra.me.REG[1] = NIT_NULL;
 777   fra.me.REG[0] = p0;
 778   /* ../lib/standard/collection/array.nit:24 */
 779   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
 780   if (UNTAG_Bool(REGB0)) {
 781   } else {
 782     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
 783   }
 784   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
 785   /* ../lib/standard/string.nit:196 */
 786   fra.me.REG[1] = NEW_Buffer_standard___string___Buffer___with_capacity(REGB0);
 787   CALL_standard___collection___abstract_collection___Collection___iterate(fra.me.REG[0])(fra.me.REG[0], (&(fra.me)), ((fun_t)OC_standard___string___AbstractString___to_upper_1));
 788   /* ../lib/standard/string.nit:198 */
 789   fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
 790   goto label2;
 791   label2: while(0);
 792   stack_frame_head = fra.me.prev;
 793   return fra.me.REG[1];
 794 }
 795   void OC_standard___string___AbstractString___to_upper_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
 796     struct {struct stack_frame_t me;} fra;
 797     val_t REGB0;
 798     fun_t CREG[1];
 799     val_t tmp;
 800     /* ../lib/standard/string.nit:197 */
 801     fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 802     fra.me.file = LOCATE_standard___string;
 803     fra.me.line = 0;
 804     fra.me.meth = LOCATE_standard___string___AbstractString___to_upper;
 805     fra.me.has_broke = 0;
 806     fra.me.REG_size = 1;
 807     fra.me.nitni_local_ref_head = NULL;
 808     fra.me.REG[0] = NIT_NULL;
 809     fra.me.closure_ctx = closctx_param;
 810     fra.me.closure_funs = CREG;
 811     fra.me.REG[0] = p0;
 812     CREG[0] = clos_fun0;
 813     REGB0 = fra.me.REG[0];
 814     REGB0 = CALL_standard___kernel___Char___to_upper(REGB0)(REGB0);
 815     CALL_standard___collection___abstract_collection___SimpleCollection___add(closctx->REG[1])(closctx->REG[1], REGB0);
 816     stack_frame_head = fra.me.prev;
 817     return;
 818   }
 819 static const char LOCATE_standard___string___AbstractString___to_lower[] = "string::AbstractString::to_lower";
 820 val_t standard___string___AbstractString___to_lower(val_t p0){
 821   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
 822   val_t REGB0;
 823   val_t tmp;
 824   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 825   fra.me.file = LOCATE_standard___string;
 826   fra.me.line = 201;
 827   fra.me.meth = LOCATE_standard___string___AbstractString___to_lower;
 828   fra.me.has_broke = 0;
 829   fra.me.REG_size = 2;
 830   fra.me.nitni_local_ref_head = NULL;
 831   fra.me.REG[0] = NIT_NULL;
 832   fra.me.REG[1] = NIT_NULL;
 833   fra.me.REG[0] = p0;
 834   /* ../lib/standard/collection/array.nit:24 */
 835   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
 836   if (UNTAG_Bool(REGB0)) {
 837   } else {
 838     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
 839   }
 840   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
 841   /* ../lib/standard/string.nit:206 */
 842   fra.me.REG[1] = NEW_Buffer_standard___string___Buffer___with_capacity(REGB0);
 843   CALL_standard___collection___abstract_collection___Collection___iterate(fra.me.REG[0])(fra.me.REG[0], (&(fra.me)), ((fun_t)OC_standard___string___AbstractString___to_lower_1));
 844   /* ../lib/standard/string.nit:208 */
 845   fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
 846   goto label2;
 847   label2: while(0);
 848   stack_frame_head = fra.me.prev;
 849   return fra.me.REG[1];
 850 }
 851   void OC_standard___string___AbstractString___to_lower_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
 852     struct {struct stack_frame_t me;} fra;
 853     val_t REGB0;
 854     fun_t CREG[1];
 855     val_t tmp;
 856     /* ../lib/standard/string.nit:207 */
 857     fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 858     fra.me.file = LOCATE_standard___string;
 859     fra.me.line = 0;
 860     fra.me.meth = LOCATE_standard___string___AbstractString___to_lower;
 861     fra.me.has_broke = 0;
 862     fra.me.REG_size = 1;
 863     fra.me.nitni_local_ref_head = NULL;
 864     fra.me.REG[0] = NIT_NULL;
 865     fra.me.closure_ctx = closctx_param;
 866     fra.me.closure_funs = CREG;
 867     fra.me.REG[0] = p0;
 868     CREG[0] = clos_fun0;
 869     REGB0 = fra.me.REG[0];
 870     REGB0 = CALL_standard___kernel___Char___to_lower(REGB0)(REGB0);
 871     CALL_standard___collection___abstract_collection___SimpleCollection___add(closctx->REG[1])(closctx->REG[1], REGB0);
 872     stack_frame_head = fra.me.prev;
 873     return;
 874   }
 875 static const char LOCATE_standard___string___AbstractString___trim[] = "string::AbstractString::trim";
 876 val_t standard___string___AbstractString___trim(val_t p0){
 877   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
 878   val_t REGB0;
 879   val_t REGB1;
 880   val_t REGB2;
 881   val_t REGB3;
 882   val_t REGB4;
 883   val_t tmp;
 884         static val_t once_value_2; /* Once value */
 885   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
 886   fra.me.file = LOCATE_standard___string;
 887   fra.me.line = 211;
 888   fra.me.meth = LOCATE_standard___string___AbstractString___trim;
 889   fra.me.has_broke = 0;
 890   fra.me.REG_size = 3;
 891   fra.me.nitni_local_ref_head = NULL;
 892   fra.me.REG[0] = NIT_NULL;
 893   fra.me.REG[1] = NIT_NULL;
 894   fra.me.REG[2] = NIT_NULL;
 895   fra.me.REG[0] = p0;
 896   /* ../lib/standard/string.nit:218 */
 897   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
 898   if (UNTAG_Bool(REGB0)) {
 899   } else {
 900     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 218);
 901   }
 902   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
 903   REGB1 = TAG_Int(0);
 904   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
 905   if (UNTAG_Bool(REGB2)) {
 906   } else {
 907     /* ../lib/standard/kernel.nit:237 */
 908     REGB1 = TAG_Bool((REGB0)==(REGB1));
 909     /* ../lib/standard/string.nit:218 */
 910     REGB2 = REGB1;
 911   }
 912   if (UNTAG_Bool(REGB2)) {
 913     fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
 914     goto label1;
 915   }
 916   /* ../lib/standard/string.nit:220 */
 917   REGB2 = TAG_Int(0);
 918   /* ../lib/standard/string.nit:221 */
 919   while(1) {
 920     REGB1 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[0])(fra.me.REG[0], REGB2);
 921     /* ../lib/standard/kernel.nit:471 */
 922     REGB1 = TAG_Int((unsigned char)UNTAG_Char(REGB1));
 923     /* ../lib/standard/string.nit:221 */
 924     REGB0 = TAG_Int(32);
 925     REGB3 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
 926     if (UNTAG_Bool(REGB3)) {
 927     } else {
 928       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 929     }
 930     /* ../lib/standard/kernel.nit:241 */
 931     REGB0 = TAG_Bool(UNTAG_Int(REGB1)<=UNTAG_Int(REGB0));
 932     /* ../lib/standard/string.nit:221 */
 933     if (UNTAG_Bool(REGB0)) {
 934       /* ../lib/standard/string.nit:222 */
 935       REGB0 = TAG_Int(1);
 936       /* ../lib/standard/kernel.nit:245 */
 937       REGB0 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB0));
 938       /* ../lib/standard/string.nit:222 */
 939       REGB2 = REGB0;
 940       /* ../lib/standard/string.nit:223 */
 941       REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
 942       if (UNTAG_Bool(REGB0)) {
 943       } else {
 944         nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 223);
 945       }
 946       REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
 947       REGB1 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB0));
 948       if (UNTAG_Bool(REGB1)) {
 949       } else {
 950         /* ../lib/standard/kernel.nit:237 */
 951         REGB0 = TAG_Bool((REGB2)==(REGB0));
 952         /* ../lib/standard/string.nit:223 */
 953         REGB1 = REGB0;
 954       }
 955       if (UNTAG_Bool(REGB1)) {
 956         if (!once_value_2) {
 957           fra.me.REG[2] = BOX_NativeString("");
 958           REGB1 = TAG_Int(0);
 959           fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB1);
 960           once_value_2 = fra.me.REG[2];
 961           register_static_object(&once_value_2);
 962         } else fra.me.REG[2] = once_value_2;
 963         fra.me.REG[2] = fra.me.REG[2];
 964         fra.me.REG[1] = fra.me.REG[2];
 965         goto label1;
 966       }
 967     } else {
 968       /* ../lib/standard/string.nit:221 */
 969       goto label3;
 970     }
 971   }
 972   label3: while(0);
 973   /* ../lib/standard/collection/array.nit:24 */
 974   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
 975   if (UNTAG_Bool(REGB1)) {
 976   } else {
 977     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
 978   }
 979   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
 980   /* ../lib/standard/string.nit:226 */
 981   REGB0 = TAG_Int(1);
 982   /* ../lib/standard/kernel.nit:247 */
 983   REGB0 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
 984   /* ../lib/standard/string.nit:227 */
 985   while(1) {
 986     REGB1 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[0])(fra.me.REG[0], REGB0);
 987     /* ../lib/standard/kernel.nit:471 */
 988     REGB1 = TAG_Int((unsigned char)UNTAG_Char(REGB1));
 989     /* ../lib/standard/string.nit:227 */
 990     REGB3 = TAG_Int(32);
 991     REGB4 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
 992     if (UNTAG_Bool(REGB4)) {
 993     } else {
 994       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
 995     }
 996     /* ../lib/standard/kernel.nit:241 */
 997     REGB3 = TAG_Bool(UNTAG_Int(REGB1)<=UNTAG_Int(REGB3));
 998     /* ../lib/standard/string.nit:227 */
 999     if (UNTAG_Bool(REGB3)) {
1000       /* ../lib/standard/string.nit:228 */
1001       REGB3 = TAG_Int(1);
1002       /* ../lib/standard/kernel.nit:247 */
1003       REGB3 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB3));
1004       /* ../lib/standard/string.nit:228 */
1005       REGB0 = REGB3;
1006       /* ../lib/standard/string.nit:229 */
1007       REGB3 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB2));
1008       if (UNTAG_Bool(REGB3)) {
1009       } else {
1010         /* ../lib/standard/kernel.nit:237 */
1011         REGB1 = TAG_Bool((REGB0)==(REGB2));
1012         /* ../lib/standard/string.nit:229 */
1013         REGB3 = REGB1;
1014       }
1015       if (UNTAG_Bool(REGB3)) {
1016         REGB3 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[0])(fra.me.REG[0], REGB2);
1017         fra.me.REG[2] = CALL_standard___string___Object___to_s(REGB3)(REGB3);
1018         fra.me.REG[1] = fra.me.REG[2];
1019         goto label1;
1020       }
1021     } else {
1022       /* ../lib/standard/string.nit:227 */
1023       goto label4;
1024     }
1025   }
1026   label4: while(0);
1027   /* ../lib/standard/kernel.nit:247 */
1028   REGB0 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB2));
1029   /* ../lib/standard/string.nit:231 */
1030   REGB3 = TAG_Int(1);
1031   /* ../lib/standard/kernel.nit:245 */
1032   REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB3));
1033   /* ../lib/standard/string.nit:231 */
1034   fra.me.REG[0] = CALL_standard___string___AbstractString___substring(fra.me.REG[0])(fra.me.REG[0], REGB2, REGB3);
1035   fra.me.REG[1] = fra.me.REG[0];
1036   goto label1;
1037   label1: while(0);
1038   stack_frame_head = fra.me.prev;
1039   return fra.me.REG[1];
1040 }
1041 static const char LOCATE_standard___string___AbstractString___output[] = "string::AbstractString::(kernel::Object::output)";
1042 void standard___string___AbstractString___output(val_t p0){
1043   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
1044   val_t REGB0;
1045   val_t REGB1;
1046   val_t REGB2;
1047   val_t tmp;
1048   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
1049   fra.me.file = LOCATE_standard___string;
1050   fra.me.line = 234;
1051   fra.me.meth = LOCATE_standard___string___AbstractString___output;
1052   fra.me.has_broke = 0;
1053   fra.me.REG_size = 2;
1054   fra.me.nitni_local_ref_head = NULL;
1055   fra.me.REG[0] = NIT_NULL;
1056   fra.me.REG[1] = NIT_NULL;
1057   fra.me.REG[0] = p0;
1058   /* ../lib/standard/string.nit:236 */
1059   REGB0 = TAG_Int(0);
1060   /* ../lib/standard/string.nit:237 */
1061   while(1) {
1062     /* ../lib/standard/collection/array.nit:24 */
1063     REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
1064     if (UNTAG_Bool(REGB1)) {
1065     } else {
1066       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
1067     }
1068     REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
1069     REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
1070     if (UNTAG_Bool(REGB2)) {
1071     } else {
1072       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1073     }
1074     /* ../lib/standard/kernel.nit:242 */
1075     REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
1076     /* ../lib/standard/string.nit:237 */
1077     if (UNTAG_Bool(REGB1)) {
1078       /* ../lib/standard/string.nit:238 */
1079       REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
1080       if (UNTAG_Bool(REGB1)) {
1081       } else {
1082         nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 238);
1083       }
1084       fra.me.REG[1] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
1085       /* ../lib/standard/string.nit:970 */
1086       REGB1 = TAG_Char(UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB0)]);
1087       /* ../lib/standard/kernel.nit:436 */
1088       printf("%c", (unsigned char)UNTAG_Char(REGB1));;
1089       /* ../lib/standard/string.nit:239 */
1090       REGB1 = TAG_Int(1);
1091       /* ../lib/standard/kernel.nit:245 */
1092       REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
1093       /* ../lib/standard/string.nit:239 */
1094       REGB0 = REGB1;
1095     } else {
1096       /* ../lib/standard/string.nit:237 */
1097       goto label1;
1098     }
1099   }
1100   label1: while(0);
1101   stack_frame_head = fra.me.prev;
1102   return;
1103 }
1104 static const char LOCATE_standard___string___String___index_from[] = "string::String::index_from";
1105 val_t standard___string___String___index_from(val_t p0){
1106   struct {struct stack_frame_t me;} fra;
1107   val_t REGB0;
1108   val_t tmp;
1109   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
1110   fra.me.file = LOCATE_standard___string;
1111   fra.me.line = 252;
1112   fra.me.meth = LOCATE_standard___string___String___index_from;
1113   fra.me.has_broke = 0;
1114   fra.me.REG_size = 1;
1115   fra.me.nitni_local_ref_head = NULL;
1116   fra.me.REG[0] = NIT_NULL;
1117   fra.me.REG[0] = p0;
1118   /* ../lib/standard/string.nit:252 */
1119   REGB0 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
1120   if (UNTAG_Bool(REGB0)) {
1121   } else {
1122     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 252);
1123   }
1124   REGB0 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
1125   stack_frame_head = fra.me.prev;
1126   return REGB0;
1127 }
1128 static const char LOCATE_standard___string___String___index_to[] = "string::String::index_to";
1129 val_t standard___string___String___index_to(val_t p0){
1130   struct {struct stack_frame_t me;} fra;
1131   val_t REGB0;
1132   val_t tmp;
1133   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
1134   fra.me.file = LOCATE_standard___string;
1135   fra.me.line = 255;
1136   fra.me.meth = LOCATE_standard___string___String___index_to;
1137   fra.me.has_broke = 0;
1138   fra.me.REG_size = 1;
1139   fra.me.nitni_local_ref_head = NULL;
1140   fra.me.REG[0] = NIT_NULL;
1141   fra.me.REG[0] = p0;
1142   /* ../lib/standard/string.nit:255 */
1143   REGB0 = TAG_Bool(ATTR_standard___string___String____index_to(fra.me.REG[0])!=NIT_NULL);
1144   if (UNTAG_Bool(REGB0)) {
1145   } else {
1146     nit_abort("Uninitialized attribute %s", "_index_to", LOCATE_standard___string, 255);
1147   }
1148   REGB0 = ATTR_standard___string___String____index_to(fra.me.REG[0]);
1149   stack_frame_head = fra.me.prev;
1150   return REGB0;
1151 }
1152 static const char LOCATE_standard___string___String_____bra[] = "string::String::(abstract_collection::SequenceRead::[])";
1153 val_t standard___string___String_____bra(val_t p0, val_t p1){
1154   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
1155   val_t REGB0;
1156   val_t REGB1;
1157   val_t REGB2;
1158   val_t REGB3;
1159   val_t tmp;
1160   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
1161   fra.me.file = LOCATE_standard___string;
1162   fra.me.line = 262;
1163   fra.me.meth = LOCATE_standard___string___String_____bra;
1164   fra.me.has_broke = 0;
1165   fra.me.REG_size = 2;
1166   fra.me.nitni_local_ref_head = NULL;
1167   fra.me.REG[0] = NIT_NULL;
1168   fra.me.REG[1] = NIT_NULL;
1169   fra.me.REG[0] = p0;
1170   REGB0 = p1;
1171   /* ../lib/standard/string.nit:263 */
1172   REGB1 = TAG_Int(0);
1173   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
1174   if (UNTAG_Bool(REGB2)) {
1175   } else {
1176     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1177   }
1178   /* ../lib/standard/kernel.nit:243 */
1179   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
1180   /* ../lib/standard/string.nit:263 */
1181   if (UNTAG_Bool(REGB1)) {
1182   } else {
1183     nit_abort("Assert failed", NULL, LOCATE_standard___string, 263);
1184   }
1185   /* ../lib/standard/string.nit:266 */
1186   REGB1 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
1187   if (UNTAG_Bool(REGB1)) {
1188   } else {
1189     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 266);
1190   }
1191   REGB1 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
1192   /* ../lib/standard/kernel.nit:245 */
1193   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
1194   /* ../lib/standard/string.nit:266 */
1195   REGB2 = TAG_Bool(ATTR_standard___string___String____index_to(fra.me.REG[0])!=NIT_NULL);
1196   if (UNTAG_Bool(REGB2)) {
1197   } else {
1198     nit_abort("Uninitialized attribute %s", "_index_to", LOCATE_standard___string, 266);
1199   }
1200   REGB2 = ATTR_standard___string___String____index_to(fra.me.REG[0]);
1201   REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
1202   if (UNTAG_Bool(REGB3)) {
1203   } else {
1204     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1205   }
1206   /* ../lib/standard/kernel.nit:241 */
1207   REGB2 = TAG_Bool(UNTAG_Int(REGB1)<=UNTAG_Int(REGB2));
1208   /* ../lib/standard/string.nit:266 */
1209   if (UNTAG_Bool(REGB2)) {
1210   } else {
1211     nit_abort("Assert failed", NULL, LOCATE_standard___string, 266);
1212   }
1213   /* ../lib/standard/string.nit:267 */
1214   REGB2 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
1215   if (UNTAG_Bool(REGB2)) {
1216   } else {
1217     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 267);
1218   }
1219   fra.me.REG[1] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
1220   REGB2 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
1221   if (UNTAG_Bool(REGB2)) {
1222   } else {
1223     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 267);
1224   }
1225   REGB2 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
1226   /* ../lib/standard/kernel.nit:245 */
1227   REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
1228   /* ../lib/standard/string.nit:970 */
1229   REGB2 = TAG_Char(UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB2)]);
1230   /* ../lib/standard/string.nit:267 */
1231   goto label1;
1232   label1: while(0);
1233   stack_frame_head = fra.me.prev;
1234   return REGB2;
1235 }
1236 static const char LOCATE_standard___string___String___substring[] = "string::String::(string::AbstractString::substring)";
1237 val_t standard___string___String___substring(val_t p0, val_t p1, val_t p2){
1238   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
1239   val_t REGB0;
1240   val_t REGB1;
1241   val_t REGB2;
1242   val_t REGB3;
1243   val_t REGB4;
1244   val_t tmp;
1245     static val_t once_value_2; /* Once value */
1246   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
1247   fra.me.file = LOCATE_standard___string;
1248   fra.me.line = 270;
1249   fra.me.meth = LOCATE_standard___string___String___substring;
1250   fra.me.has_broke = 0;
1251   fra.me.REG_size = 3;
1252   fra.me.nitni_local_ref_head = NULL;
1253   fra.me.REG[0] = NIT_NULL;
1254   fra.me.REG[1] = NIT_NULL;
1255   fra.me.REG[2] = NIT_NULL;
1256   fra.me.REG[0] = p0;
1257   REGB0 = p1;
1258   REGB1 = p2;
1259   /* ../lib/standard/string.nit:272 */
1260   REGB2 = TAG_Int(0);
1261   REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
1262   if (UNTAG_Bool(REGB3)) {
1263   } else {
1264     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1265   }
1266   /* ../lib/standard/kernel.nit:243 */
1267   REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
1268   /* ../lib/standard/string.nit:272 */
1269   if (UNTAG_Bool(REGB2)) {
1270   } else {
1271     nit_abort("Assert failed", NULL, LOCATE_standard___string, 272);
1272   }
1273   /* ../lib/standard/string.nit:274 */
1274   REGB2 = TAG_Int(0);
1275   REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
1276   if (UNTAG_Bool(REGB3)) {
1277   } else {
1278     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1279   }
1280   /* ../lib/standard/kernel.nit:242 */
1281   REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
1282   /* ../lib/standard/string.nit:274 */
1283   if (UNTAG_Bool(REGB2)) {
1284     /* ../lib/standard/kernel.nit:245 */
1285     REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB0));
1286     /* ../lib/standard/string.nit:275 */
1287     REGB1 = REGB2;
1288     /* ../lib/standard/string.nit:276 */
1289     REGB2 = TAG_Int(0);
1290     REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
1291     if (UNTAG_Bool(REGB3)) {
1292     } else {
1293       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1294     }
1295     /* ../lib/standard/kernel.nit:242 */
1296     REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
1297     /* ../lib/standard/string.nit:276 */
1298     if (UNTAG_Bool(REGB2)) {
1299       REGB2 = TAG_Int(0);
1300       REGB1 = REGB2;
1301     }
1302     /* ../lib/standard/string.nit:277 */
1303     REGB2 = TAG_Int(0);
1304     REGB0 = REGB2;
1305   }
1306   /* ../lib/standard/string.nit:280 */
1307   REGB2 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
1308   if (UNTAG_Bool(REGB2)) {
1309   } else {
1310     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 280);
1311   }
1312   REGB2 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
1313   /* ../lib/standard/kernel.nit:245 */
1314   REGB0 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB0));
1315   REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
1316   /* ../lib/standard/string.nit:282 */
1317   REGB3 = TAG_Bool(ATTR_standard___string___String____index_to(fra.me.REG[0])!=NIT_NULL);
1318   if (UNTAG_Bool(REGB3)) {
1319   } else {
1320     nit_abort("Uninitialized attribute %s", "_index_to", LOCATE_standard___string, 282);
1321   }
1322   REGB3 = ATTR_standard___string___String____index_to(fra.me.REG[0]);
1323   REGB4 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
1324   if (UNTAG_Bool(REGB4)) {
1325   } else {
1326     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1327   }
1328   /* ../lib/standard/kernel.nit:244 */
1329   REGB3 = TAG_Bool(UNTAG_Int(REGB2)>UNTAG_Int(REGB3));
1330   /* ../lib/standard/string.nit:282 */
1331   if (UNTAG_Bool(REGB3)) {
1332     REGB3 = TAG_Bool(ATTR_standard___string___String____index_to(fra.me.REG[0])!=NIT_NULL);
1333     if (UNTAG_Bool(REGB3)) {
1334     } else {
1335       nit_abort("Uninitialized attribute %s", "_index_to", LOCATE_standard___string, 282);
1336     }
1337     REGB3 = ATTR_standard___string___String____index_to(fra.me.REG[0]);
1338     REGB2 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
1339     if (UNTAG_Bool(REGB2)) {
1340     } else {
1341       nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 282);
1342     }
1343     fra.me.REG[1] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
1344     fra.me.REG[1] = NEW_String_standard___string___String___from_substring(REGB0, REGB3, fra.me.REG[1]);
1345     goto label1;
1346   }
1347   /* ../lib/standard/string.nit:284 */
1348   REGB3 = TAG_Int(0);
1349   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB3));
1350   if (UNTAG_Bool(REGB2)) {
1351   } else {
1352     /* ../lib/standard/kernel.nit:237 */
1353     REGB3 = TAG_Bool((REGB1)==(REGB3));
1354     /* ../lib/standard/string.nit:284 */
1355     REGB2 = REGB3;
1356   }
1357   if (UNTAG_Bool(REGB2)) {
1358     if (!once_value_2) {
1359       fra.me.REG[2] = BOX_NativeString("");
1360       REGB2 = TAG_Int(0);
1361       fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB2);
1362       once_value_2 = fra.me.REG[2];
1363       register_static_object(&once_value_2);
1364     } else fra.me.REG[2] = once_value_2;
1365     fra.me.REG[2] = fra.me.REG[2];
1366     fra.me.REG[1] = fra.me.REG[2];
1367     goto label1;
1368   }
1369   /* ../lib/standard/kernel.nit:245 */
1370   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
1371   /* ../lib/standard/string.nit:286 */
1372   REGB2 = TAG_Int(1);
1373   /* ../lib/standard/kernel.nit:247 */
1374   REGB2 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB2));
1375   /* ../lib/standard/string.nit:286 */
1376   REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
1377   if (UNTAG_Bool(REGB1)) {
1378   } else {
1379     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 286);
1380   }
1381   fra.me.REG[0] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
1382   fra.me.REG[0] = NEW_String_standard___string___String___from_substring(REGB0, REGB2, fra.me.REG[0]);
1383   fra.me.REG[1] = fra.me.REG[0];
1384   goto label1;
1385   label1: while(0);
1386   stack_frame_head = fra.me.prev;
1387   return fra.me.REG[1];
1388 }
1389 static const char LOCATE_standard___string___String___substring_from[] = "string::String::(string::AbstractString::substring_from)";
1390 val_t standard___string___String___substring_from(val_t p0, val_t p1){
1391   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
1392   val_t REGB0;
1393   val_t REGB1;
1394   val_t REGB2;
1395   val_t tmp;
1396     static val_t once_value_1; /* Once value */
1397   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
1398   fra.me.file = LOCATE_standard___string;
1399   fra.me.line = 289;
1400   fra.me.meth = LOCATE_standard___string___String___substring_from;
1401   fra.me.has_broke = 0;
1402   fra.me.REG_size = 2;
1403   fra.me.nitni_local_ref_head = NULL;
1404   fra.me.REG[0] = NIT_NULL;
1405   fra.me.REG[1] = NIT_NULL;
1406   fra.me.REG[0] = p0;
1407   REGB0 = p1;
1408   /* ../lib/standard/string.nit:291 */
1409   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
1410   if (UNTAG_Bool(REGB1)) {
1411   } else {
1412     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 291);
1413   }
1414   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
1415   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
1416   if (UNTAG_Bool(REGB2)) {
1417   } else {
1418     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1419   }
1420   /* ../lib/standard/kernel.nit:244 */
1421   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
1422   /* ../lib/standard/string.nit:291 */
1423   if (UNTAG_Bool(REGB1)) {
1424     if (!once_value_1) {
1425       fra.me.REG[1] = BOX_NativeString("");
1426       REGB1 = TAG_Int(0);
1427       fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB1);
1428       once_value_1 = fra.me.REG[1];
1429       register_static_object(&once_value_1);
1430     } else fra.me.REG[1] = once_value_1;
1431     fra.me.REG[1] = fra.me.REG[1];
1432     goto label2;
1433   }
1434   /* ../lib/standard/string.nit:292 */
1435   REGB1 = TAG_Int(0);
1436   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
1437   if (UNTAG_Bool(REGB2)) {
1438   } else {
1439     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1440   }
1441   /* ../lib/standard/kernel.nit:242 */
1442   REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
1443   /* ../lib/standard/string.nit:292 */
1444   if (UNTAG_Bool(REGB1)) {
1445     REGB1 = TAG_Int(0);
1446     REGB0 = REGB1;
1447   }
1448   /* ../lib/standard/string.nit:293 */
1449   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
1450   if (UNTAG_Bool(REGB1)) {
1451   } else {
1452     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 293);
1453   }
1454   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
1455   fra.me.REG[0] = CALL_standard___string___AbstractString___substring(fra.me.REG[0])(fra.me.REG[0], REGB0, REGB1);
1456   fra.me.REG[1] = fra.me.REG[0];
1457   goto label2;
1458   label2: while(0);
1459   stack_frame_head = fra.me.prev;
1460   return fra.me.REG[1];
1461 }
1462 static const char LOCATE_standard___string___String___has_substring[] = "string::String::(string::AbstractString::has_substring)";
1463 val_t standard___string___String___has_substring(val_t p0, val_t p1, val_t p2){
1464   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
1465   val_t REGB0;
1466   val_t REGB1;
1467   val_t REGB2;
1468   val_t REGB3;
1469   val_t REGB4;
1470   val_t REGB5;
1471   val_t REGB6;
1472   val_t tmp;
1473   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
1474   fra.me.file = LOCATE_standard___string;
1475   fra.me.line = 296;
1476   fra.me.meth = LOCATE_standard___string___String___has_substring;
1477   fra.me.has_broke = 0;
1478   fra.me.REG_size = 4;
1479   fra.me.nitni_local_ref_head = NULL;
1480   fra.me.REG[0] = NIT_NULL;
1481   fra.me.REG[1] = NIT_NULL;
1482   fra.me.REG[2] = NIT_NULL;
1483   fra.me.REG[3] = NIT_NULL;
1484   fra.me.REG[0] = p0;
1485   fra.me.REG[1] = p1;
1486   REGB0 = p2;
1487   /* ../lib/standard/string.nit:298 */
1488   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
1489   if (UNTAG_Bool(REGB1)) {
1490   } else {
1491     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 298);
1492   }
1493   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
1494   REGB2 = TAG_Int(1);
1495   /* ../lib/standard/kernel.nit:247 */
1496   REGB2 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB2));
1497   /* ../lib/standard/kernel.nit:245 */
1498   REGB0 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
1499   /* ../lib/standard/string.nit:301 */
1500   REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
1501   if (UNTAG_Bool(REGB1)) {
1502   } else {
1503     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 301);
1504   }
1505   fra.me.REG[2] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
1506   /* ../lib/standard/string.nit:303 */
1507   REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[1])!=NIT_NULL);
1508   if (UNTAG_Bool(REGB1)) {
1509   } else {
1510     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 303);
1511   }
1512   fra.me.REG[3] = ATTR_standard___string___AbstractString____items(fra.me.REG[1]);
1513   /* ../lib/standard/string.nit:305 */
1514   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
1515   if (UNTAG_Bool(REGB1)) {
1516   } else {
1517     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 305);
1518   }
1519   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
1520   REGB3 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
1521   if (UNTAG_Bool(REGB3)) {
1522   } else {
1523     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1524   }
1525   /* ../lib/standard/kernel.nit:244 */
1526   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
1527   /* ../lib/standard/string.nit:305 */
1528   if (UNTAG_Bool(REGB1)) {
1529     REGB1 = TAG_Bool(1);
1530   } else {
1531     REGB3 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
1532     if (UNTAG_Bool(REGB3)) {
1533     } else {
1534       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1535     }
1536     /* ../lib/standard/kernel.nit:244 */
1537     REGB3 = TAG_Bool(UNTAG_Int(REGB2)>UNTAG_Int(REGB0));
1538     /* ../lib/standard/string.nit:305 */
1539     REGB1 = REGB3;
1540   }
1541   if (UNTAG_Bool(REGB1)) {
1542     REGB1 = TAG_Bool(0);
1543     goto label1;
1544   }
1545   /* ../lib/standard/string.nit:307 */
1546   REGB3 = CALL_standard___string___String___index_from(fra.me.REG[1])(fra.me.REG[1]);
1547   /* ../lib/standard/kernel.nit:245 */
1548   REGB4 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB3));
1549   /* ../lib/standard/string.nit:308 */
1550   REGB2 = REGB4;
1551   /* ../lib/standard/string.nit:309 */
1552   REGB4 = CALL_standard___string___String___index_from(fra.me.REG[0])(fra.me.REG[0]);
1553   /* ../lib/standard/kernel.nit:245 */
1554   REGB4 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB4));
1555   /* ../lib/standard/string.nit:309 */
1556   REGB0 = REGB4;
1557   /* ../lib/standard/string.nit:311 */
1558   while(1) {
1559     REGB4 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
1560     if (UNTAG_Bool(REGB4)) {
1561     } else {
1562       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1563     }
1564     /* ../lib/standard/kernel.nit:243 */
1565     REGB4 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB3));
1566     /* ../lib/standard/string.nit:311 */
1567     if (UNTAG_Bool(REGB4)) {
1568       /* ../lib/standard/string.nit:970 */
1569       REGB4 = TAG_Char(UNBOX_NativeString(fra.me.REG[2])[UNTAG_Int(REGB0)]);
1570       REGB5 = TAG_Char(UNBOX_NativeString(fra.me.REG[3])[UNTAG_Int(REGB2)]);
1571       /* ../lib/standard/string.nit:312 */
1572       REGB6 = TAG_Bool(IS_EQUAL_OO(REGB4,REGB5));
1573       if (UNTAG_Bool(REGB6)) {
1574       } else {
1575         /* ../lib/standard/kernel.nit:434 */
1576         REGB5 = TAG_Bool((REGB4)==(REGB5));
1577         /* ../lib/standard/string.nit:312 */
1578         REGB6 = REGB5;
1579       }
1580       REGB6 = TAG_Bool(!UNTAG_Bool(REGB6));
1581       if (UNTAG_Bool(REGB6)) {
1582         REGB6 = TAG_Bool(0);
1583         REGB1 = REGB6;
1584         goto label1;
1585       }
1586       /* ../lib/standard/string.nit:313 */
1587       REGB6 = TAG_Int(1);
1588       /* ../lib/standard/kernel.nit:247 */
1589       REGB6 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB6));
1590       /* ../lib/standard/string.nit:313 */
1591       REGB0 = REGB6;
1592       /* ../lib/standard/string.nit:314 */
1593       REGB6 = TAG_Int(1);
1594       /* ../lib/standard/kernel.nit:247 */
1595       REGB6 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(REGB6));
1596       /* ../lib/standard/string.nit:314 */
1597       REGB2 = REGB6;
1598     } else {
1599       /* ../lib/standard/string.nit:311 */
1600       goto label2;
1601     }
1602   }
1603   label2: while(0);
1604   /* ../lib/standard/string.nit:317 */
1605   REGB2 = TAG_Bool(1);
1606   REGB1 = REGB2;
1607   goto label1;
1608   label1: while(0);
1609   stack_frame_head = fra.me.prev;
1610   return REGB1;
1611 }
1612 static const char LOCATE_standard___string___String___to_upper[] = "string::String::(string::AbstractString::to_upper)";
1613 val_t standard___string___String___to_upper(val_t p0){
1614   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
1615   val_t REGB0;
1616   val_t REGB1;
1617   val_t REGB2;
1618   val_t REGB3;
1619   val_t tmp;
1620   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
1621   fra.me.file = LOCATE_standard___string;
1622   fra.me.line = 320;
1623   fra.me.meth = LOCATE_standard___string___String___to_upper;
1624   fra.me.has_broke = 0;
1625   fra.me.REG_size = 3;
1626   fra.me.nitni_local_ref_head = NULL;
1627   fra.me.REG[0] = NIT_NULL;
1628   fra.me.REG[1] = NIT_NULL;
1629   fra.me.REG[2] = NIT_NULL;
1630   fra.me.REG[0] = p0;
1631   /* ../lib/standard/string.nit:322 */
1632   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
1633   if (UNTAG_Bool(REGB0)) {
1634   } else {
1635     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 322);
1636   }
1637   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
1638   REGB1 = TAG_Int(1);
1639   /* ../lib/standard/kernel.nit:245 */
1640   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
1641   /* ../lib/standard/string.nit:1007 */
1642   fra.me.REG[1] = BOX_NativeString((char*)raw_alloc((UNTAG_Int(REGB1) * sizeof(char))));
1643   /* ../lib/standard/string.nit:323 */
1644   REGB1 = TAG_Int(0);
1645   /* ../lib/standard/string.nit:325 */
1646   REGB0 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
1647   if (UNTAG_Bool(REGB0)) {
1648   } else {
1649     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 325);
1650   }
1651   fra.me.REG[2] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
1652   /* ../lib/standard/string.nit:326 */
1653   REGB0 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
1654   if (UNTAG_Bool(REGB0)) {
1655   } else {
1656     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 326);
1657   }
1658   REGB0 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
1659   /* ../lib/standard/string.nit:327 */
1660   REGB2 = TAG_Bool(ATTR_standard___string___String____index_to(fra.me.REG[0])!=NIT_NULL);
1661   if (UNTAG_Bool(REGB2)) {
1662   } else {
1663     nit_abort("Uninitialized attribute %s", "_index_to", LOCATE_standard___string, 327);
1664   }
1665   REGB2 = ATTR_standard___string___String____index_to(fra.me.REG[0]);
1666   /* ../lib/standard/string.nit:329 */
1667   while(1) {
1668     REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
1669     if (UNTAG_Bool(REGB3)) {
1670     } else {
1671       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1672     }
1673     /* ../lib/standard/kernel.nit:241 */
1674     REGB3 = TAG_Bool(UNTAG_Int(REGB0)<=UNTAG_Int(REGB2));
1675     /* ../lib/standard/string.nit:329 */
1676     if (UNTAG_Bool(REGB3)) {
1677       /* ../lib/standard/string.nit:970 */
1678       REGB3 = TAG_Char(UNBOX_NativeString(fra.me.REG[2])[UNTAG_Int(REGB0)]);
1679       /* ../lib/standard/string.nit:330 */
1680       REGB3 = CALL_standard___kernel___Char___to_upper(REGB3)(REGB3);
1681       /* ../lib/standard/string.nit:971 */
1682       UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB1)]=UNTAG_Char(REGB3);;
1683       /* ../lib/standard/string.nit:331 */
1684       REGB3 = TAG_Int(1);
1685       /* ../lib/standard/kernel.nit:245 */
1686       REGB3 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB3));
1687       /* ../lib/standard/string.nit:331 */
1688       REGB1 = REGB3;
1689       /* ../lib/standard/string.nit:332 */
1690       REGB3 = TAG_Int(1);
1691       /* ../lib/standard/kernel.nit:245 */
1692       REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB3));
1693       /* ../lib/standard/string.nit:332 */
1694       REGB0 = REGB3;
1695     } else {
1696       /* ../lib/standard/string.nit:329 */
1697       goto label1;
1698     }
1699   }
1700   label1: while(0);
1701   /* ../lib/standard/collection/array.nit:24 */
1702   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
1703   if (UNTAG_Bool(REGB0)) {
1704   } else {
1705     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
1706   }
1707   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
1708   /* ../lib/standard/string.nit:335 */
1709   REGB1 = TAG_Char('\0');
1710   /* ../lib/standard/string.nit:971 */
1711   UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB0)]=UNTAG_Char(REGB1);;
1712   /* ../lib/standard/string.nit:337 */
1713   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
1714   if (UNTAG_Bool(REGB1)) {
1715   } else {
1716     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 337);
1717   }
1718   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
1719   fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB1);
1720   goto label2;
1721   label2: while(0);
1722   stack_frame_head = fra.me.prev;
1723   return fra.me.REG[1];
1724 }
1725 static const char LOCATE_standard___string___String___to_lower[] = "string::String::(string::AbstractString::to_lower)";
1726 val_t standard___string___String___to_lower(val_t p0){
1727   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
1728   val_t REGB0;
1729   val_t REGB1;
1730   val_t REGB2;
1731   val_t REGB3;
1732   val_t tmp;
1733   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
1734   fra.me.file = LOCATE_standard___string;
1735   fra.me.line = 340;
1736   fra.me.meth = LOCATE_standard___string___String___to_lower;
1737   fra.me.has_broke = 0;
1738   fra.me.REG_size = 3;
1739   fra.me.nitni_local_ref_head = NULL;
1740   fra.me.REG[0] = NIT_NULL;
1741   fra.me.REG[1] = NIT_NULL;
1742   fra.me.REG[2] = NIT_NULL;
1743   fra.me.REG[0] = p0;
1744   /* ../lib/standard/string.nit:342 */
1745   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
1746   if (UNTAG_Bool(REGB0)) {
1747   } else {
1748     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 342);
1749   }
1750   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
1751   REGB1 = TAG_Int(1);
1752   /* ../lib/standard/kernel.nit:245 */
1753   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
1754   /* ../lib/standard/string.nit:1007 */
1755   fra.me.REG[1] = BOX_NativeString((char*)raw_alloc((UNTAG_Int(REGB1) * sizeof(char))));
1756   /* ../lib/standard/string.nit:343 */
1757   REGB1 = TAG_Int(0);
1758   /* ../lib/standard/string.nit:345 */
1759   REGB0 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
1760   if (UNTAG_Bool(REGB0)) {
1761   } else {
1762     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 345);
1763   }
1764   fra.me.REG[2] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
1765   /* ../lib/standard/string.nit:346 */
1766   REGB0 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
1767   if (UNTAG_Bool(REGB0)) {
1768   } else {
1769     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 346);
1770   }
1771   REGB0 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
1772   /* ../lib/standard/string.nit:347 */
1773   REGB2 = TAG_Bool(ATTR_standard___string___String____index_to(fra.me.REG[0])!=NIT_NULL);
1774   if (UNTAG_Bool(REGB2)) {
1775   } else {
1776     nit_abort("Uninitialized attribute %s", "_index_to", LOCATE_standard___string, 347);
1777   }
1778   REGB2 = ATTR_standard___string___String____index_to(fra.me.REG[0]);
1779   /* ../lib/standard/string.nit:349 */
1780   while(1) {
1781     REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
1782     if (UNTAG_Bool(REGB3)) {
1783     } else {
1784       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1785     }
1786     /* ../lib/standard/kernel.nit:241 */
1787     REGB3 = TAG_Bool(UNTAG_Int(REGB0)<=UNTAG_Int(REGB2));
1788     /* ../lib/standard/string.nit:349 */
1789     if (UNTAG_Bool(REGB3)) {
1790       /* ../lib/standard/string.nit:970 */
1791       REGB3 = TAG_Char(UNBOX_NativeString(fra.me.REG[2])[UNTAG_Int(REGB0)]);
1792       /* ../lib/standard/string.nit:350 */
1793       REGB3 = CALL_standard___kernel___Char___to_lower(REGB3)(REGB3);
1794       /* ../lib/standard/string.nit:971 */
1795       UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB1)]=UNTAG_Char(REGB3);;
1796       /* ../lib/standard/string.nit:351 */
1797       REGB3 = TAG_Int(1);
1798       /* ../lib/standard/kernel.nit:245 */
1799       REGB3 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB3));
1800       /* ../lib/standard/string.nit:351 */
1801       REGB1 = REGB3;
1802       /* ../lib/standard/string.nit:352 */
1803       REGB3 = TAG_Int(1);
1804       /* ../lib/standard/kernel.nit:245 */
1805       REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB3));
1806       /* ../lib/standard/string.nit:352 */
1807       REGB0 = REGB3;
1808     } else {
1809       /* ../lib/standard/string.nit:349 */
1810       goto label1;
1811     }
1812   }
1813   label1: while(0);
1814   /* ../lib/standard/collection/array.nit:24 */
1815   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
1816   if (UNTAG_Bool(REGB0)) {
1817   } else {
1818     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
1819   }
1820   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
1821   /* ../lib/standard/string.nit:355 */
1822   REGB1 = TAG_Char('\0');
1823   /* ../lib/standard/string.nit:971 */
1824   UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB0)]=UNTAG_Char(REGB1);;
1825   /* ../lib/standard/string.nit:357 */
1826   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
1827   if (UNTAG_Bool(REGB1)) {
1828   } else {
1829     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 357);
1830   }
1831   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
1832   fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB1);
1833   goto label2;
1834   label2: while(0);
1835   stack_frame_head = fra.me.prev;
1836   return fra.me.REG[1];
1837 }
1838 static const char LOCATE_standard___string___String___trim[] = "string::String::(string::AbstractString::trim)";
1839 val_t standard___string___String___trim(val_t p0){
1840   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
1841   val_t REGB0;
1842   val_t REGB1;
1843   val_t REGB2;
1844   val_t REGB3;
1845   val_t REGB4;
1846   val_t tmp;
1847         static val_t once_value_2; /* Once value */
1848   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
1849   fra.me.file = LOCATE_standard___string;
1850   fra.me.line = 360;
1851   fra.me.meth = LOCATE_standard___string___String___trim;
1852   fra.me.has_broke = 0;
1853   fra.me.REG_size = 3;
1854   fra.me.nitni_local_ref_head = NULL;
1855   fra.me.REG[0] = NIT_NULL;
1856   fra.me.REG[1] = NIT_NULL;
1857   fra.me.REG[2] = NIT_NULL;
1858   fra.me.REG[0] = p0;
1859   /* ../lib/standard/string.nit:362 */
1860   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
1861   if (UNTAG_Bool(REGB0)) {
1862   } else {
1863     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 362);
1864   }
1865   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
1866   REGB1 = TAG_Int(0);
1867   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
1868   if (UNTAG_Bool(REGB2)) {
1869   } else {
1870     /* ../lib/standard/kernel.nit:237 */
1871     REGB1 = TAG_Bool((REGB0)==(REGB1));
1872     /* ../lib/standard/string.nit:362 */
1873     REGB2 = REGB1;
1874   }
1875   if (UNTAG_Bool(REGB2)) {
1876     fra.me.REG[1] = fra.me.REG[0];
1877     goto label1;
1878   }
1879   /* ../lib/standard/string.nit:364 */
1880   REGB2 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
1881   if (UNTAG_Bool(REGB2)) {
1882   } else {
1883     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 364);
1884   }
1885   REGB2 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
1886   /* ../lib/standard/string.nit:365 */
1887   while(1) {
1888     REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
1889     if (UNTAG_Bool(REGB1)) {
1890     } else {
1891       nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 365);
1892     }
1893     fra.me.REG[2] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
1894     /* ../lib/standard/string.nit:970 */
1895     REGB1 = TAG_Char(UNBOX_NativeString(fra.me.REG[2])[UNTAG_Int(REGB2)]);
1896     /* ../lib/standard/kernel.nit:471 */
1897     REGB1 = TAG_Int((unsigned char)UNTAG_Char(REGB1));
1898     /* ../lib/standard/string.nit:365 */
1899     REGB0 = TAG_Int(32);
1900     REGB3 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
1901     if (UNTAG_Bool(REGB3)) {
1902     } else {
1903       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1904     }
1905     /* ../lib/standard/kernel.nit:241 */
1906     REGB0 = TAG_Bool(UNTAG_Int(REGB1)<=UNTAG_Int(REGB0));
1907     /* ../lib/standard/string.nit:365 */
1908     if (UNTAG_Bool(REGB0)) {
1909       /* ../lib/standard/string.nit:366 */
1910       REGB0 = TAG_Int(1);
1911       /* ../lib/standard/kernel.nit:245 */
1912       REGB0 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB0));
1913       /* ../lib/standard/string.nit:366 */
1914       REGB2 = REGB0;
1915       /* ../lib/standard/string.nit:367 */
1916       REGB0 = TAG_Bool(ATTR_standard___string___String____index_to(fra.me.REG[0])!=NIT_NULL);
1917       if (UNTAG_Bool(REGB0)) {
1918       } else {
1919         nit_abort("Uninitialized attribute %s", "_index_to", LOCATE_standard___string, 367);
1920       }
1921       REGB0 = ATTR_standard___string___String____index_to(fra.me.REG[0]);
1922       REGB1 = TAG_Int(1);
1923       /* ../lib/standard/kernel.nit:245 */
1924       REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
1925       /* ../lib/standard/string.nit:367 */
1926       REGB0 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB1));
1927       if (UNTAG_Bool(REGB0)) {
1928       } else {
1929         /* ../lib/standard/kernel.nit:237 */
1930         REGB1 = TAG_Bool((REGB2)==(REGB1));
1931         /* ../lib/standard/string.nit:367 */
1932         REGB0 = REGB1;
1933       }
1934       if (UNTAG_Bool(REGB0)) {
1935         if (!once_value_2) {
1936           fra.me.REG[2] = BOX_NativeString("");
1937           REGB0 = TAG_Int(0);
1938           fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
1939           once_value_2 = fra.me.REG[2];
1940           register_static_object(&once_value_2);
1941         } else fra.me.REG[2] = once_value_2;
1942         fra.me.REG[2] = fra.me.REG[2];
1943         fra.me.REG[1] = fra.me.REG[2];
1944         goto label1;
1945       }
1946     } else {
1947       /* ../lib/standard/string.nit:365 */
1948       goto label3;
1949     }
1950   }
1951   label3: while(0);
1952   /* ../lib/standard/string.nit:370 */
1953   REGB0 = TAG_Bool(ATTR_standard___string___String____index_to(fra.me.REG[0])!=NIT_NULL);
1954   if (UNTAG_Bool(REGB0)) {
1955   } else {
1956     nit_abort("Uninitialized attribute %s", "_index_to", LOCATE_standard___string, 370);
1957   }
1958   REGB0 = ATTR_standard___string___String____index_to(fra.me.REG[0]);
1959   /* ../lib/standard/string.nit:371 */
1960   while(1) {
1961     REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
1962     if (UNTAG_Bool(REGB1)) {
1963     } else {
1964       nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 371);
1965     }
1966     fra.me.REG[2] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
1967     /* ../lib/standard/string.nit:970 */
1968     REGB1 = TAG_Char(UNBOX_NativeString(fra.me.REG[2])[UNTAG_Int(REGB0)]);
1969     /* ../lib/standard/kernel.nit:471 */
1970     REGB1 = TAG_Int((unsigned char)UNTAG_Char(REGB1));
1971     /* ../lib/standard/string.nit:371 */
1972     REGB3 = TAG_Int(32);
1973     REGB4 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
1974     if (UNTAG_Bool(REGB4)) {
1975     } else {
1976       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
1977     }
1978     /* ../lib/standard/kernel.nit:241 */
1979     REGB3 = TAG_Bool(UNTAG_Int(REGB1)<=UNTAG_Int(REGB3));
1980     /* ../lib/standard/string.nit:371 */
1981     if (UNTAG_Bool(REGB3)) {
1982       /* ../lib/standard/string.nit:372 */
1983       REGB3 = TAG_Int(1);
1984       /* ../lib/standard/kernel.nit:247 */
1985       REGB3 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB3));
1986       /* ../lib/standard/string.nit:372 */
1987       REGB0 = REGB3;
1988       /* ../lib/standard/string.nit:373 */
1989       REGB3 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB2));
1990       if (UNTAG_Bool(REGB3)) {
1991       } else {
1992         /* ../lib/standard/kernel.nit:237 */
1993         REGB1 = TAG_Bool((REGB0)==(REGB2));
1994         /* ../lib/standard/string.nit:373 */
1995         REGB3 = REGB1;
1996       }
1997       if (UNTAG_Bool(REGB3)) {
1998         REGB3 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
1999         if (UNTAG_Bool(REGB3)) {
2000         } else {
2001           nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 373);
2002         }
2003         fra.me.REG[2] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
2004         /* ../lib/standard/string.nit:970 */
2005         REGB3 = TAG_Char(UNBOX_NativeString(fra.me.REG[2])[UNTAG_Int(REGB2)]);
2006         /* ../lib/standard/string.nit:373 */
2007         fra.me.REG[2] = CALL_standard___string___Object___to_s(REGB3)(REGB3);
2008         fra.me.REG[1] = fra.me.REG[2];
2009         goto label1;
2010       }
2011     } else {
2012       /* ../lib/standard/string.nit:371 */
2013       goto label4;
2014     }
2015   }
2016   label4: while(0);
2017   /* ../lib/standard/string.nit:375 */
2018   REGB3 = CALL_standard___string___String___index_from(fra.me.REG[0])(fra.me.REG[0]);
2019   /* ../lib/standard/kernel.nit:247 */
2020   REGB3 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(REGB3));
2021   /* ../lib/standard/string.nit:375 */
2022   REGB2 = REGB3;
2023   /* ../lib/standard/string.nit:376 */
2024   REGB3 = CALL_standard___string___String___index_from(fra.me.REG[0])(fra.me.REG[0]);
2025   /* ../lib/standard/kernel.nit:247 */
2026   REGB3 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB3));
2027   /* ../lib/standard/string.nit:376 */
2028   REGB0 = REGB3;
2029   /* ../lib/standard/kernel.nit:247 */
2030   REGB0 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB2));
2031   /* ../lib/standard/string.nit:377 */
2032   REGB3 = TAG_Int(1);
2033   /* ../lib/standard/kernel.nit:245 */
2034   REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB3));
2035   /* ../lib/standard/string.nit:377 */
2036   fra.me.REG[0] = CALL_standard___string___AbstractString___substring(fra.me.REG[0])(fra.me.REG[0], REGB2, REGB3);
2037   fra.me.REG[1] = fra.me.REG[0];
2038   goto label1;
2039   label1: while(0);
2040   stack_frame_head = fra.me.prev;
2041   return fra.me.REG[1];
2042 }
2043 static const char LOCATE_standard___string___String___output[] = "string::String::(kernel::Object::output)";
2044 void standard___string___String___output(val_t p0){
2045   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
2046   val_t REGB0;
2047   val_t REGB1;
2048   val_t REGB2;
2049   val_t tmp;
2050   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
2051   fra.me.file = LOCATE_standard___string;
2052   fra.me.line = 380;
2053   fra.me.meth = LOCATE_standard___string___String___output;
2054   fra.me.has_broke = 0;
2055   fra.me.REG_size = 2;
2056   fra.me.nitni_local_ref_head = NULL;
2057   fra.me.REG[0] = NIT_NULL;
2058   fra.me.REG[1] = NIT_NULL;
2059   fra.me.REG[0] = p0;
2060   /* ../lib/standard/string.nit:382 */
2061   REGB0 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
2062   if (UNTAG_Bool(REGB0)) {
2063   } else {
2064     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 382);
2065   }
2066   REGB0 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
2067   /* ../lib/standard/string.nit:383 */
2068   REGB1 = TAG_Bool(ATTR_standard___string___String____index_to(fra.me.REG[0])!=NIT_NULL);
2069   if (UNTAG_Bool(REGB1)) {
2070   } else {
2071     nit_abort("Uninitialized attribute %s", "_index_to", LOCATE_standard___string, 383);
2072   }
2073   REGB1 = ATTR_standard___string___String____index_to(fra.me.REG[0]);
2074   /* ../lib/standard/string.nit:384 */
2075   while(1) {
2076     REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
2077     if (UNTAG_Bool(REGB2)) {
2078     } else {
2079       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
2080     }
2081     /* ../lib/standard/kernel.nit:241 */
2082     REGB2 = TAG_Bool(UNTAG_Int(REGB0)<=UNTAG_Int(REGB1));
2083     /* ../lib/standard/string.nit:384 */
2084     if (UNTAG_Bool(REGB2)) {
2085       /* ../lib/standard/string.nit:385 */
2086       REGB2 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
2087       if (UNTAG_Bool(REGB2)) {
2088       } else {
2089         nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 385);
2090       }
2091       fra.me.REG[1] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
2092       /* ../lib/standard/string.nit:970 */
2093       REGB2 = TAG_Char(UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB0)]);
2094       /* ../lib/standard/kernel.nit:436 */
2095       printf("%c", (unsigned char)UNTAG_Char(REGB2));;
2096       /* ../lib/standard/string.nit:386 */
2097       REGB2 = TAG_Int(1);
2098       /* ../lib/standard/kernel.nit:245 */
2099       REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
2100       /* ../lib/standard/string.nit:386 */
2101       REGB0 = REGB2;
2102     } else {
2103       /* ../lib/standard/string.nit:384 */
2104       goto label1;
2105     }
2106   }
2107   label1: while(0);
2108   stack_frame_head = fra.me.prev;
2109   return;
2110 }
2111 static const char LOCATE_standard___string___String___from_substring[] = "string::String::from_substring";
2112 void standard___string___String___from_substring(val_t p0, val_t p1, val_t p2, val_t p3, int* init_table){
2113   int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_standard___string___String].i;
2114   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
2115   val_t REGB0;
2116   val_t REGB1;
2117   val_t tmp;
2118   if (init_table[itpos0]) return;
2119   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
2120   fra.me.file = LOCATE_standard___string;
2121   fra.me.line = 394;
2122   fra.me.meth = LOCATE_standard___string___String___from_substring;
2123   fra.me.has_broke = 0;
2124   fra.me.REG_size = 2;
2125   fra.me.nitni_local_ref_head = NULL;
2126   fra.me.REG[0] = NIT_NULL;
2127   fra.me.REG[1] = NIT_NULL;
2128   fra.me.REG[0] = p0;
2129   REGB0 = p1;
2130   REGB1 = p2;
2131   fra.me.REG[1] = p3;
2132   /* ../lib/standard/string.nit:402 */
2133   ATTR_standard___string___AbstractString____items(fra.me.REG[0]) = fra.me.REG[1];
2134   /* ../lib/standard/string.nit:403 */
2135   ATTR_standard___string___String____index_from(fra.me.REG[0]) = REGB0;
2136   /* ../lib/standard/string.nit:404 */
2137   ATTR_standard___string___String____index_to(fra.me.REG[0]) = REGB1;
2138   /* ../lib/standard/kernel.nit:247 */
2139   REGB0 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
2140   /* ../lib/standard/string.nit:405 */
2141   REGB1 = TAG_Int(1);
2142   /* ../lib/standard/kernel.nit:245 */
2143   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
2144   /* ../lib/standard/string.nit:405 */
2145   ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]) = REGB1;
2146   stack_frame_head = fra.me.prev;
2147   init_table[itpos0] = 1;
2148   return;
2149 }
2150 static const char LOCATE_standard___string___String___with_infos[] = "string::String::with_infos";
2151 void standard___string___String___with_infos(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4, int* init_table){
2152   int itpos1 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_standard___string___String].i;
2153   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
2154   val_t REGB0;
2155   val_t REGB1;
2156   val_t REGB2;
2157   val_t tmp;
2158   if (init_table[itpos1]) return;
2159   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
2160   fra.me.file = LOCATE_standard___string;
2161   fra.me.line = 408;
2162   fra.me.meth = LOCATE_standard___string___String___with_infos;
2163   fra.me.has_broke = 0;
2164   fra.me.REG_size = 2;
2165   fra.me.nitni_local_ref_head = NULL;
2166   fra.me.REG[0] = NIT_NULL;
2167   fra.me.REG[1] = NIT_NULL;
2168   fra.me.REG[0] = p0;
2169   fra.me.REG[1] = p1;
2170   REGB0 = p2;
2171   REGB1 = p3;
2172   REGB2 = p4;
2173   /* ../lib/standard/string.nit:410 */
2174   ATTR_standard___string___AbstractString____items(fra.me.REG[0]) = fra.me.REG[1];
2175   /* ../lib/standard/string.nit:411 */
2176   ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]) = REGB0;
2177   /* ../lib/standard/string.nit:412 */
2178   ATTR_standard___string___String____index_from(fra.me.REG[0]) = REGB1;
2179   /* ../lib/standard/string.nit:413 */
2180   ATTR_standard___string___String____index_to(fra.me.REG[0]) = REGB2;
2181   stack_frame_head = fra.me.prev;
2182   init_table[itpos1] = 1;
2183   return;
2184 }
2185 static const char LOCATE_standard___string___String___to_cstring[] = "string::String::to_cstring";
2186 val_t standard___string___String___to_cstring(val_t p0){
2187   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
2188   val_t REGB0;
2189   val_t REGB1;
2190   val_t REGB2;
2191   val_t REGB3;
2192   val_t tmp;
2193   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
2194   fra.me.file = LOCATE_standard___string;
2195   fra.me.line = 416;
2196   fra.me.meth = LOCATE_standard___string___String___to_cstring;
2197   fra.me.has_broke = 0;
2198   fra.me.REG_size = 3;
2199   fra.me.nitni_local_ref_head = NULL;
2200   fra.me.REG[0] = NIT_NULL;
2201   fra.me.REG[1] = NIT_NULL;
2202   fra.me.REG[2] = NIT_NULL;
2203   fra.me.REG[0] = p0;
2204   /* ../lib/standard/string.nit:419 */
2205   REGB0 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
2206   if (UNTAG_Bool(REGB0)) {
2207   } else {
2208     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 419);
2209   }
2210   REGB0 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
2211   REGB1 = TAG_Int(0);
2212   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
2213   if (UNTAG_Bool(REGB2)) {
2214   } else {
2215     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
2216   }
2217   /* ../lib/standard/kernel.nit:244 */
2218   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
2219   /* ../lib/standard/string.nit:419 */
2220   if (UNTAG_Bool(REGB1)) {
2221     REGB1 = TAG_Bool(1);
2222   } else {
2223     REGB0 = TAG_Bool(ATTR_standard___string___String____index_to(fra.me.REG[0])!=NIT_NULL);
2224     if (UNTAG_Bool(REGB0)) {
2225     } else {
2226       nit_abort("Uninitialized attribute %s", "_index_to", LOCATE_standard___string, 419);
2227     }
2228     REGB0 = ATTR_standard___string___String____index_to(fra.me.REG[0]);
2229     fra.me.REG[1] = CALL_standard___string___AbstractString___items(fra.me.REG[0])(fra.me.REG[0]);
2230     REGB2 = CALL_standard___string___NativeString___cstring_length(fra.me.REG[1])(fra.me.REG[1]);
2231     REGB3 = TAG_Int(1);
2232     /* ../lib/standard/kernel.nit:247 */
2233     REGB3 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(REGB3));
2234     /* ../lib/standard/string.nit:419 */
2235     REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB3));
2236     if (UNTAG_Bool(REGB2)) {
2237     } else {
2238       /* ../lib/standard/kernel.nit:237 */
2239       REGB3 = TAG_Bool((REGB0)==(REGB3));
2240       /* ../lib/standard/string.nit:419 */
2241       REGB2 = REGB3;
2242     }
2243     REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
2244     REGB1 = REGB2;
2245   }
2246   if (UNTAG_Bool(REGB1)) {
2247     /* ../lib/standard/string.nit:420 */
2248     REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
2249     if (UNTAG_Bool(REGB1)) {
2250     } else {
2251       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 420);
2252     }
2253     REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
2254     REGB2 = TAG_Int(1);
2255     /* ../lib/standard/kernel.nit:245 */
2256     REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
2257     /* ../lib/standard/string.nit:1007 */
2258     fra.me.REG[1] = BOX_NativeString((char*)raw_alloc((UNTAG_Int(REGB2) * sizeof(char))));
2259     /* ../lib/standard/string.nit:421 */
2260     fra.me.REG[2] = CALL_standard___string___AbstractString___items(fra.me.REG[0])(fra.me.REG[0]);
2261     REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
2262     if (UNTAG_Bool(REGB2)) {
2263     } else {
2264       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 421);
2265     }
2266     REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
2267     REGB1 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
2268     if (UNTAG_Bool(REGB1)) {
2269     } else {
2270       nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 421);
2271     }
2272     REGB1 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
2273     REGB3 = TAG_Int(0);
2274     /* ../lib/standard/string.nit:972 */
2275     (void)memcpy(UNBOX_NativeString(fra.me.REG[1])+UNTAG_Int(REGB3), UNBOX_NativeString(fra.me.REG[2])+UNTAG_Int(REGB1), UNTAG_Int(REGB2));;
2276     /* ../lib/standard/collection/array.nit:24 */
2277     REGB3 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
2278     if (UNTAG_Bool(REGB3)) {
2279     } else {
2280       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
2281     }
2282     REGB3 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
2283     /* ../lib/standard/string.nit:422 */
2284     REGB1 = TAG_Char('\0');
2285     /* ../lib/standard/string.nit:971 */
2286     UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB3)]=UNTAG_Char(REGB1);;
2287     /* ../lib/standard/string.nit:423 */
2288     goto label1;
2289   }
2290   /* ../lib/standard/string.nit:425 */
2291   REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
2292   if (UNTAG_Bool(REGB1)) {
2293   } else {
2294     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 425);
2295   }
2296   fra.me.REG[0] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
2297   fra.me.REG[1] = fra.me.REG[0];
2298   goto label1;
2299   label1: while(0);
2300   stack_frame_head = fra.me.prev;
2301   return fra.me.REG[1];
2302 }
2303 static const char LOCATE_standard___string___String_____eqeq[] = "string::String::(kernel::Object::==)";
2304 val_t standard___string___String_____eqeq(val_t p0, val_t p1){
2305   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
2306   val_t REGB0;
2307   val_t REGB1;
2308   val_t REGB2;
2309   val_t REGB3;
2310   val_t REGB4;
2311   val_t REGB5;
2312   val_t REGB6;
2313   val_t tmp;
2314   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
2315   fra.me.file = LOCATE_standard___string;
2316   fra.me.line = 428;
2317   fra.me.meth = LOCATE_standard___string___String_____eqeq;
2318   fra.me.has_broke = 0;
2319   fra.me.REG_size = 2;
2320   fra.me.nitni_local_ref_head = NULL;
2321   fra.me.REG[0] = NIT_NULL;
2322   fra.me.REG[1] = NIT_NULL;
2323   fra.me.REG[0] = p0;
2324   fra.me.REG[1] = p1;
2325   /* ../lib/standard/string.nit:430 */
2326   REGB0 = TAG_Bool((fra.me.REG[1]!=NIT_NULL) && VAL_ISA(fra.me.REG[1], COLOR_standard___string___String, ID_standard___string___String)) /*cast String*/;
2327   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
2328   if (UNTAG_Bool(REGB0)) {
2329     REGB0 = TAG_Bool(1);
2330   } else {
2331     REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
2332     REGB0 = REGB1;
2333   }
2334   if (UNTAG_Bool(REGB0)) {
2335     REGB0 = TAG_Bool(0);
2336     goto label1;
2337   }
2338   /* ../lib/standard/string.nit:432 */
2339   REGB1 = CALL_standard___kernel___Object___object_id(fra.me.REG[0])(fra.me.REG[0]);
2340   REGB2 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
2341   if (UNTAG_Bool(REGB2)) {
2342     nit_abort("Reciever is null", NULL, LOCATE_standard___string, 432);
2343   }
2344   REGB2 = CALL_standard___kernel___Object___object_id(fra.me.REG[1])(fra.me.REG[1]);
2345   REGB3 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
2346   if (UNTAG_Bool(REGB3)) {
2347   } else {
2348     /* ../lib/standard/kernel.nit:237 */
2349     REGB2 = TAG_Bool((REGB1)==(REGB2));
2350     /* ../lib/standard/string.nit:432 */
2351     REGB3 = REGB2;
2352   }
2353   if (UNTAG_Bool(REGB3)) {
2354     REGB3 = TAG_Bool(1);
2355     REGB0 = REGB3;
2356     goto label1;
2357   }
2358   /* ../lib/standard/string.nit:434 */
2359   REGB3 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
2360   if (UNTAG_Bool(REGB3)) {
2361   } else {
2362     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 434);
2363   }
2364   REGB3 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
2365   /* ../lib/standard/string.nit:436 */
2366   REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
2367   if (UNTAG_Bool(REGB2)) {
2368   } else {
2369     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 436);
2370   }
2371   REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
2372   REGB1 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB3));
2373   if (UNTAG_Bool(REGB1)) {
2374   } else {
2375     /* ../lib/standard/kernel.nit:237 */
2376     REGB2 = TAG_Bool((REGB2)==(REGB3));
2377     /* ../lib/standard/string.nit:436 */
2378     REGB1 = REGB2;
2379   }
2380   REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
2381   if (UNTAG_Bool(REGB1)) {
2382     REGB1 = TAG_Bool(0);
2383     REGB0 = REGB1;
2384     goto label1;
2385   }
2386   /* ../lib/standard/string.nit:438 */
2387   REGB1 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
2388   if (UNTAG_Bool(REGB1)) {
2389   } else {
2390     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 438);
2391   }
2392   REGB1 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
2393   /* ../lib/standard/string.nit:439 */
2394   REGB2 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[1])!=NIT_NULL);
2395   if (UNTAG_Bool(REGB2)) {
2396   } else {
2397     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 439);
2398   }
2399   REGB2 = ATTR_standard___string___String____index_from(fra.me.REG[1]);
2400   /* ../lib/standard/kernel.nit:245 */
2401   REGB3 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB3));
2402   /* ../lib/standard/string.nit:443 */
2403   REGB4 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[1])!=NIT_NULL);
2404   if (UNTAG_Bool(REGB4)) {
2405   } else {
2406     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 443);
2407   }
2408   fra.me.REG[1] = ATTR_standard___string___AbstractString____items(fra.me.REG[1]);
2409   /* ../lib/standard/string.nit:444 */
2410   REGB4 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
2411   if (UNTAG_Bool(REGB4)) {
2412   } else {
2413     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 444);
2414   }
2415   fra.me.REG[0] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
2416   /* ../lib/standard/string.nit:446 */
2417   while(1) {
2418     REGB4 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
2419     if (UNTAG_Bool(REGB4)) {
2420     } else {
2421       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
2422     }
2423     /* ../lib/standard/kernel.nit:242 */
2424     REGB4 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB3));
2425     /* ../lib/standard/string.nit:446 */
2426     if (UNTAG_Bool(REGB4)) {
2427       /* ../lib/standard/string.nit:970 */
2428       REGB4 = TAG_Char(UNBOX_NativeString(fra.me.REG[0])[UNTAG_Int(REGB1)]);
2429       REGB5 = TAG_Char(UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB2)]);
2430       /* ../lib/standard/string.nit:447 */
2431       REGB6 = TAG_Bool(IS_EQUAL_OO(REGB4,REGB5));
2432       if (UNTAG_Bool(REGB6)) {
2433       } else {
2434         /* ../lib/standard/kernel.nit:434 */
2435         REGB5 = TAG_Bool((REGB4)==(REGB5));
2436         /* ../lib/standard/string.nit:447 */
2437         REGB6 = REGB5;
2438       }
2439       REGB6 = TAG_Bool(!UNTAG_Bool(REGB6));
2440       if (UNTAG_Bool(REGB6)) {
2441         REGB6 = TAG_Bool(0);
2442         REGB0 = REGB6;
2443         goto label1;
2444       }
2445       /* ../lib/standard/string.nit:448 */
2446       REGB6 = TAG_Int(1);
2447       /* ../lib/standard/kernel.nit:245 */
2448       REGB6 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB6));
2449       /* ../lib/standard/string.nit:448 */
2450       REGB1 = REGB6;
2451       /* ../lib/standard/string.nit:449 */
2452       REGB6 = TAG_Int(1);
2453       /* ../lib/standard/kernel.nit:245 */
2454       REGB6 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB6));
2455       /* ../lib/standard/string.nit:449 */
2456       REGB2 = REGB6;
2457     } else {
2458       /* ../lib/standard/string.nit:446 */
2459       goto label2;
2460     }
2461   }
2462   label2: while(0);
2463   /* ../lib/standard/string.nit:452 */
2464   REGB2 = TAG_Bool(1);
2465   REGB0 = REGB2;
2466   goto label1;
2467   label1: while(0);
2468   stack_frame_head = fra.me.prev;
2469   return REGB0;
2470 }
2471 static const char LOCATE_standard___string___String_____l[] = "string::String::(kernel::Comparable::<)";
2472 val_t standard___string___String_____l(val_t p0, val_t p1){
2473   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
2474   val_t REGB0;
2475   val_t REGB1;
2476   val_t REGB2;
2477   val_t REGB3;
2478   val_t REGB4;
2479   val_t REGB5;
2480   val_t REGB6;
2481   val_t REGB7;
2482   val_t REGB8;
2483   val_t REGB9;
2484   val_t tmp;
2485   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
2486   fra.me.file = LOCATE_standard___string;
2487   fra.me.line = 455;
2488   fra.me.meth = LOCATE_standard___string___String_____l;
2489   fra.me.has_broke = 0;
2490   fra.me.REG_size = 4;
2491   fra.me.nitni_local_ref_head = NULL;
2492   fra.me.REG[0] = NIT_NULL;
2493   fra.me.REG[1] = NIT_NULL;
2494   fra.me.REG[2] = NIT_NULL;
2495   fra.me.REG[3] = NIT_NULL;
2496   fra.me.REG[0] = p0;
2497   fra.me.REG[1] = p1;
2498   REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], VTCOLOR_standard___kernel___Comparable___OTHER(fra.me.REG[0]), VTID_standard___kernel___Comparable___OTHER(fra.me.REG[0]))) /*cast OTHER*/;
2499   if (UNTAG_Bool(REGB0)) {
2500   } else {
2501     nit_abort("Cast failed", NULL, LOCATE_standard___string, 0);
2502   }
2503   /* ../lib/standard/string.nit:460 */
2504   REGB0 = CALL_standard___kernel___Object___object_id(fra.me.REG[0])(fra.me.REG[0]);
2505   REGB1 = CALL_standard___kernel___Object___object_id(fra.me.REG[1])(fra.me.REG[1]);
2506   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
2507   if (UNTAG_Bool(REGB2)) {
2508   } else {
2509     /* ../lib/standard/kernel.nit:237 */
2510     REGB1 = TAG_Bool((REGB0)==(REGB1));
2511     /* ../lib/standard/string.nit:460 */
2512     REGB2 = REGB1;
2513   }
2514   if (UNTAG_Bool(REGB2)) {
2515     REGB2 = TAG_Bool(0);
2516     goto label1;
2517   }
2518   /* ../lib/standard/string.nit:465 */
2519   REGB1 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
2520   if (UNTAG_Bool(REGB1)) {
2521   } else {
2522     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 465);
2523   }
2524   REGB1 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
2525   /* ../lib/standard/string.nit:466 */
2526   REGB0 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[1])!=NIT_NULL);
2527   if (UNTAG_Bool(REGB0)) {
2528   } else {
2529     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 466);
2530   }
2531   REGB0 = ATTR_standard___string___String____index_from(fra.me.REG[1]);
2532   /* ../lib/standard/string.nit:468 */
2533   REGB3 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
2534   if (UNTAG_Bool(REGB3)) {
2535   } else {
2536     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 468);
2537   }
2538   fra.me.REG[2] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
2539   /* ../lib/standard/string.nit:469 */
2540   REGB3 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[1])!=NIT_NULL);
2541   if (UNTAG_Bool(REGB3)) {
2542   } else {
2543     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 469);
2544   }
2545   fra.me.REG[3] = ATTR_standard___string___AbstractString____items(fra.me.REG[1]);
2546   /* ../lib/standard/string.nit:471 */
2547   REGB3 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
2548   if (UNTAG_Bool(REGB3)) {
2549   } else {
2550     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 471);
2551   }
2552   REGB3 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
2553   /* ../lib/standard/string.nit:472 */
2554   REGB4 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
2555   if (UNTAG_Bool(REGB4)) {
2556   } else {
2557     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 472);
2558   }
2559   REGB4 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
2560   /* ../lib/standard/kernel.nit:245 */
2561   REGB5 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB3));
2562   /* ../lib/standard/string.nit:476 */
2563   while(1) {
2564     REGB6 = TAG_Bool(VAL_ISA(REGB5, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
2565     if (UNTAG_Bool(REGB6)) {
2566     } else {
2567       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
2568     }
2569     /* ../lib/standard/kernel.nit:242 */
2570     REGB6 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB5));
2571     /* ../lib/standard/string.nit:476 */
2572     if (UNTAG_Bool(REGB6)) {
2573       /* ../lib/standard/string.nit:970 */
2574       REGB6 = TAG_Char(UNBOX_NativeString(fra.me.REG[2])[UNTAG_Int(REGB1)]);
2575       REGB7 = TAG_Char(UNBOX_NativeString(fra.me.REG[3])[UNTAG_Int(REGB0)]);
2576       /* ../lib/standard/string.nit:480 */
2577       REGB8 = TAG_Bool(IS_EQUAL_OO(REGB6,REGB7));
2578       if (UNTAG_Bool(REGB8)) {
2579       } else {
2580         /* ../lib/standard/kernel.nit:434 */
2581         REGB9 = TAG_Bool((REGB6)==(REGB7));
2582         /* ../lib/standard/string.nit:480 */
2583         REGB8 = REGB9;
2584       }
2585       REGB8 = TAG_Bool(!UNTAG_Bool(REGB8));
2586       if (UNTAG_Bool(REGB8)) {
2587         REGB8 = TAG_Bool(VAL_ISA(REGB7, VTCOLOR_standard___kernel___Comparable___OTHER(REGB6), VTID_standard___kernel___Comparable___OTHER(REGB6))) /*cast OTHER*/;
2588         if (UNTAG_Bool(REGB8)) {
2589         } else {
2590           nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
2591         }
2592         /* ../lib/standard/kernel.nit:439 */
2593         REGB7 = TAG_Bool(UNTAG_Char(REGB6)<UNTAG_Char(REGB7));
2594         /* ../lib/standard/string.nit:481 */
2595         if (UNTAG_Bool(REGB7)) {
2596           REGB7 = TAG_Bool(1);
2597           REGB2 = REGB7;
2598           goto label1;
2599         }
2600         /* ../lib/standard/string.nit:482 */
2601         REGB7 = TAG_Bool(0);
2602         REGB2 = REGB7;
2603         goto label1;
2604       }
2605       /* ../lib/standard/string.nit:485 */
2606       REGB7 = TAG_Int(1);
2607       /* ../lib/standard/kernel.nit:245 */
2608       REGB7 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB7));
2609       /* ../lib/standard/string.nit:485 */
2610       REGB1 = REGB7;
2611       /* ../lib/standard/string.nit:486 */
2612       REGB7 = TAG_Int(1);
2613       /* ../lib/standard/kernel.nit:245 */
2614       REGB7 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB7));
2615       /* ../lib/standard/string.nit:486 */
2616       REGB0 = REGB7;
2617     } else {
2618       /* ../lib/standard/string.nit:476 */
2619       goto label2;
2620     }
2621   }
2622   label2: while(0);
2623   REGB0 = TAG_Bool(VAL_ISA(REGB4, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
2624   if (UNTAG_Bool(REGB0)) {
2625   } else {
2626     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
2627   }
2628   /* ../lib/standard/kernel.nit:242 */
2629   REGB4 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB4));
2630   /* ../lib/standard/string.nit:489 */
2631   REGB2 = REGB4;
2632   goto label1;
2633   label1: while(0);
2634   stack_frame_head = fra.me.prev;
2635   return REGB2;
2636 }
2637 static const char LOCATE_standard___string___String_____plus[] = "string::String::+";
2638 val_t standard___string___String_____plus(val_t p0, val_t p1){
2639   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
2640   val_t REGB0;
2641   val_t REGB1;
2642   val_t REGB2;
2643   val_t REGB3;
2644   val_t REGB4;
2645   val_t tmp;
2646   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
2647   fra.me.file = LOCATE_standard___string;
2648   fra.me.line = 492;
2649   fra.me.meth = LOCATE_standard___string___String_____plus;
2650   fra.me.has_broke = 0;
2651   fra.me.REG_size = 4;
2652   fra.me.nitni_local_ref_head = NULL;
2653   fra.me.REG[0] = NIT_NULL;
2654   fra.me.REG[1] = NIT_NULL;
2655   fra.me.REG[2] = NIT_NULL;
2656   fra.me.REG[3] = NIT_NULL;
2657   fra.me.REG[0] = p0;
2658   fra.me.REG[1] = p1;
2659   /* ../lib/standard/string.nit:497 */
2660   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
2661   if (UNTAG_Bool(REGB0)) {
2662   } else {
2663     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 497);
2664   }
2665   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
2666   /* ../lib/standard/string.nit:498 */
2667   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
2668   if (UNTAG_Bool(REGB1)) {
2669   } else {
2670     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 498);
2671   }
2672   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
2673   /* ../lib/standard/kernel.nit:245 */
2674   REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
2675   REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
2676   /* ../lib/standard/string.nit:502 */
2677   REGB4 = TAG_Int(1);
2678   /* ../lib/standard/kernel.nit:245 */
2679   REGB4 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB4));
2680   /* ../lib/standard/string.nit:1007 */
2681   fra.me.REG[2] = BOX_NativeString((char*)raw_alloc((UNTAG_Int(REGB4) * sizeof(char))));
2682   /* ../lib/standard/string.nit:504 */
2683   REGB4 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
2684   if (UNTAG_Bool(REGB4)) {
2685   } else {
2686     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 504);
2687   }
2688   fra.me.REG[3] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
2689   REGB4 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
2690   if (UNTAG_Bool(REGB4)) {
2691   } else {
2692     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 504);
2693   }
2694   REGB4 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
2695   REGB3 = TAG_Int(0);
2696   /* ../lib/standard/string.nit:972 */
2697   (void)memcpy(UNBOX_NativeString(fra.me.REG[2])+UNTAG_Int(REGB3), UNBOX_NativeString(fra.me.REG[3])+UNTAG_Int(REGB4), UNTAG_Int(REGB0));;
2698   /* ../lib/standard/string.nit:505 */
2699   REGB3 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[1])!=NIT_NULL);
2700   if (UNTAG_Bool(REGB3)) {
2701   } else {
2702     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 505);
2703   }
2704   fra.me.REG[3] = ATTR_standard___string___AbstractString____items(fra.me.REG[1]);
2705   REGB3 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[1])!=NIT_NULL);
2706   if (UNTAG_Bool(REGB3)) {
2707   } else {
2708     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 505);
2709   }
2710   REGB3 = ATTR_standard___string___String____index_from(fra.me.REG[1]);
2711   /* ../lib/standard/string.nit:972 */
2712   (void)memcpy(UNBOX_NativeString(fra.me.REG[2])+UNTAG_Int(REGB0), UNBOX_NativeString(fra.me.REG[3])+UNTAG_Int(REGB3), UNTAG_Int(REGB1));;
2713   /* ../lib/standard/string.nit:507 */
2714   REGB0 = TAG_Char('\0');
2715   /* ../lib/standard/string.nit:971 */
2716   UNBOX_NativeString(fra.me.REG[2])[UNTAG_Int(REGB2)]=UNTAG_Char(REGB0);;
2717   /* ../lib/standard/string.nit:509 */
2718   fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB2);
2719   goto label1;
2720   label1: while(0);
2721   stack_frame_head = fra.me.prev;
2722   return fra.me.REG[2];
2723 }
2724 static const char LOCATE_standard___string___String_____star[] = "string::String::*";
2725 val_t standard___string___String_____star(val_t p0, val_t p1){
2726   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
2727   val_t REGB0;
2728   val_t REGB1;
2729   val_t REGB2;
2730   val_t REGB3;
2731   val_t REGB4;
2732   val_t REGB5;
2733   val_t tmp;
2734   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
2735   fra.me.file = LOCATE_standard___string;
2736   fra.me.line = 512;
2737   fra.me.meth = LOCATE_standard___string___String_____star;
2738   fra.me.has_broke = 0;
2739   fra.me.REG_size = 2;
2740   fra.me.nitni_local_ref_head = NULL;
2741   fra.me.REG[0] = NIT_NULL;
2742   fra.me.REG[1] = NIT_NULL;
2743   fra.me.REG[0] = p0;
2744   REGB0 = p1;
2745   /* ../lib/standard/string.nit:519 */
2746   REGB1 = TAG_Int(0);
2747   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
2748   if (UNTAG_Bool(REGB2)) {
2749   } else {
2750     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
2751   }
2752   /* ../lib/standard/kernel.nit:243 */
2753   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
2754   /* ../lib/standard/string.nit:519 */
2755   if (UNTAG_Bool(REGB1)) {
2756   } else {
2757     nit_abort("Assert failed", NULL, LOCATE_standard___string, 519);
2758   }
2759   /* ../lib/standard/string.nit:521 */
2760   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
2761   if (UNTAG_Bool(REGB1)) {
2762   } else {
2763     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 521);
2764   }
2765   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
2766   /* ../lib/standard/kernel.nit:248 */
2767   REGB2 = TAG_Int(UNTAG_Int(REGB1)*UNTAG_Int(REGB0));
2768   /* ../lib/standard/string.nit:525 */
2769   REGB3 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
2770   if (UNTAG_Bool(REGB3)) {
2771   } else {
2772     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 525);
2773   }
2774   fra.me.REG[1] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
2775   /* ../lib/standard/string.nit:527 */
2776   REGB3 = TAG_Int(1);
2777   /* ../lib/standard/kernel.nit:245 */
2778   REGB3 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB3));
2779   /* ../lib/standard/string.nit:1007 */
2780   fra.me.REG[0] = BOX_NativeString((char*)raw_alloc((UNTAG_Int(REGB3) * sizeof(char))));
2781   /* ../lib/standard/string.nit:529 */
2782   REGB3 = TAG_Char('\0');
2783   /* ../lib/standard/string.nit:971 */
2784   UNBOX_NativeString(fra.me.REG[0])[UNTAG_Int(REGB2)]=UNTAG_Char(REGB3);;
2785   /* ../lib/standard/string.nit:531 */
2786   REGB3 = TAG_Int(0);
2787   /* ../lib/standard/string.nit:533 */
2788   REGB4 = TAG_Int(1);
2789   /* ../lib/standard/kernel.nit:393 */
2790   while(1) {
2791     REGB5 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
2792     if (UNTAG_Bool(REGB5)) {
2793     } else {
2794       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
2795     }
2796     /* ../lib/standard/kernel.nit:241 */
2797     REGB5 = TAG_Bool(UNTAG_Int(REGB4)<=UNTAG_Int(REGB0));
2798     /* ../lib/standard/kernel.nit:393 */
2799     if (UNTAG_Bool(REGB5)) {
2800       /* ../lib/standard/string.nit:534 */
2801       REGB5 = TAG_Int(0);
2802       /* ../lib/standard/string.nit:972 */
2803       (void)memcpy(UNBOX_NativeString(fra.me.REG[0])+UNTAG_Int(REGB3), UNBOX_NativeString(fra.me.REG[1])+UNTAG_Int(REGB5), UNTAG_Int(REGB1));;
2804       /* ../lib/standard/kernel.nit:245 */
2805       REGB5 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB1));
2806       /* ../lib/standard/string.nit:535 */
2807       REGB3 = REGB5;
2808       /* ../lib/standard/kernel.nit:395 */
2809       REGB5 = TAG_Int(1);
2810       /* ../lib/standard/kernel.nit:245 */
2811       REGB5 = TAG_Int(UNTAG_Int(REGB4)+UNTAG_Int(REGB5));
2812       /* ../lib/standard/kernel.nit:395 */
2813       REGB4 = REGB5;
2814     } else {
2815       /* ../lib/standard/kernel.nit:393 */
2816       goto label1;
2817     }
2818   }
2819   label1: while(0);
2820   /* ../lib/standard/string.nit:538 */
2821   fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB2);
2822   goto label2;
2823   label2: while(0);
2824   stack_frame_head = fra.me.prev;
2825   return fra.me.REG[0];
2826 }
2827 static const char LOCATE_standard___string___String___to_s[] = "string::String::(string::Object::to_s)";
2828 val_t standard___string___String___to_s(val_t p0){
2829   struct {struct stack_frame_t me;} fra;
2830   val_t tmp;
2831   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
2832   fra.me.file = LOCATE_standard___string;
2833   fra.me.line = 541;
2834   fra.me.meth = LOCATE_standard___string___String___to_s;
2835   fra.me.has_broke = 0;
2836   fra.me.REG_size = 1;
2837   fra.me.nitni_local_ref_head = NULL;
2838   fra.me.REG[0] = NIT_NULL;
2839   fra.me.REG[0] = p0;
2840   /* ../lib/standard/string.nit:541 */
2841   goto label1;
2842   label1: while(0);
2843   stack_frame_head = fra.me.prev;
2844   return fra.me.REG[0];
2845 }
2846 static const char LOCATE_standard___string___String___hash[] = "string::String::(hash::Object::hash)";
2847 val_t standard___string___String___hash(val_t p0){
2848   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
2849   val_t REGB0;
2850   val_t REGB1;
2851   val_t REGB2;
2852   val_t REGB3;
2853   val_t REGB4;
2854   val_t tmp;
2855   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
2856   fra.me.file = LOCATE_standard___string;
2857   fra.me.line = 543;
2858   fra.me.meth = LOCATE_standard___string___String___hash;
2859   fra.me.has_broke = 0;
2860   fra.me.REG_size = 2;
2861   fra.me.nitni_local_ref_head = NULL;
2862   fra.me.REG[0] = NIT_NULL;
2863   fra.me.REG[1] = NIT_NULL;
2864   fra.me.REG[0] = p0;
2865   /* ../lib/standard/string.nit:546 */
2866   REGB0 = TAG_Int(5381);
2867   /* ../lib/standard/string.nit:547 */
2868   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
2869   if (UNTAG_Bool(REGB1)) {
2870   } else {
2871     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 547);
2872   }
2873   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
2874   REGB2 = TAG_Int(1);
2875   /* ../lib/standard/kernel.nit:247 */
2876   REGB2 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB2));
2877   /* ../lib/standard/string.nit:549 */
2878   REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
2879   if (UNTAG_Bool(REGB1)) {
2880   } else {
2881     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 549);
2882   }
2883   fra.me.REG[1] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
2884   /* ../lib/standard/string.nit:550 */
2885   REGB1 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[0])!=NIT_NULL);
2886   if (UNTAG_Bool(REGB1)) {
2887   } else {
2888     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 550);
2889   }
2890   REGB1 = ATTR_standard___string___String____index_from(fra.me.REG[0]);
2891   /* ../lib/standard/kernel.nit:245 */
2892   REGB3 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB1));
2893   /* ../lib/standard/string.nit:552 */
2894   REGB2 = REGB3;
2895   /* ../lib/standard/string.nit:554 */
2896   while(1) {
2897     REGB3 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
2898     if (UNTAG_Bool(REGB3)) {
2899     } else {
2900       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
2901     }
2902     /* ../lib/standard/kernel.nit:243 */
2903     REGB3 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB1));
2904     /* ../lib/standard/string.nit:554 */
2905     if (UNTAG_Bool(REGB3)) {
2906       /* ../lib/standard/string.nit:555 */
2907       REGB3 = TAG_Int(32);
2908       /* ../lib/standard/kernel.nit:248 */
2909       REGB3 = TAG_Int(UNTAG_Int(REGB0)*UNTAG_Int(REGB3));
2910       /* ../lib/standard/kernel.nit:245 */
2911       REGB3 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB0));
2912       /* ../lib/standard/string.nit:555 */
2913       REGB4 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
2914       if (UNTAG_Bool(REGB4)) {
2915       } else {
2916         nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 555);
2917       }
2918       fra.me.REG[1] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
2919       /* ../lib/standard/string.nit:970 */
2920       REGB4 = TAG_Char(UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB2)]);
2921       /* ../lib/standard/kernel.nit:471 */
2922       REGB4 = TAG_Int((unsigned char)UNTAG_Char(REGB4));
2923       /* ../lib/standard/kernel.nit:245 */
2924       REGB4 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB4));
2925       /* ../lib/standard/string.nit:555 */
2926       REGB0 = REGB4;
2927       /* ../lib/standard/string.nit:556 */
2928       REGB4 = TAG_Int(1);
2929       /* ../lib/standard/kernel.nit:247 */
2930       REGB4 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(REGB4));
2931       /* ../lib/standard/string.nit:556 */
2932       REGB2 = REGB4;
2933     } else {
2934       /* ../lib/standard/string.nit:554 */
2935       goto label1;
2936     }
2937   }
2938   label1: while(0);
2939   /* ../lib/standard/string.nit:559 */
2940   goto label2;
2941   label2: while(0);
2942   stack_frame_head = fra.me.prev;
2943   return REGB0;
2944 }
2945 static const char LOCATE_standard___string___Buffer_____braeq[] = "string::Buffer::(abstract_collection::Sequence::[]=)";
2946 void standard___string___Buffer_____braeq(val_t p0, val_t p1, val_t p2){
2947   struct {struct stack_frame_t me;} fra;
2948   val_t REGB0;
2949   val_t REGB1;
2950   val_t REGB2;
2951   val_t REGB3;
2952   val_t tmp;
2953   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
2954   fra.me.file = LOCATE_standard___string;
2955   fra.me.line = 572;
2956   fra.me.meth = LOCATE_standard___string___Buffer_____braeq;
2957   fra.me.has_broke = 0;
2958   fra.me.REG_size = 1;
2959   fra.me.nitni_local_ref_head = NULL;
2960   fra.me.REG[0] = NIT_NULL;
2961   fra.me.REG[0] = p0;
2962   REGB0 = p1;
2963   REGB1 = p2;
2964   /* ../lib/standard/collection/array.nit:24 */
2965   REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
2966   if (UNTAG_Bool(REGB2)) {
2967   } else {
2968     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
2969   }
2970   REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
2971   /* ../lib/standard/string.nit:574 */
2972   REGB3 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB2));
2973   if (UNTAG_Bool(REGB3)) {
2974   } else {
2975     /* ../lib/standard/kernel.nit:237 */
2976     REGB2 = TAG_Bool((REGB0)==(REGB2));
2977     /* ../lib/standard/string.nit:574 */
2978     REGB3 = REGB2;
2979   }
2980   if (UNTAG_Bool(REGB3)) {
2981     /* ../lib/standard/string.nit:575 */
2982     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], REGB1);
2983     /* ../lib/standard/string.nit:576 */
2984     goto label1;
2985   }
2986   /* ../lib/standard/string.nit:578 */
2987   REGB3 = TAG_Int(0);
2988   REGB2 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
2989   if (UNTAG_Bool(REGB2)) {
2990   } else {
2991     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
2992   }
2993   /* ../lib/standard/kernel.nit:243 */
2994   REGB3 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB3));
2995   /* ../lib/standard/string.nit:578 */
2996   if (UNTAG_Bool(REGB3)) {
2997     /* ../lib/standard/collection/array.nit:24 */
2998     REGB3 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
2999     if (UNTAG_Bool(REGB3)) {
3000     } else {
3001       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3002     }
3003     REGB3 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3004     REGB2 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
3005     if (UNTAG_Bool(REGB2)) {
3006     } else {
3007       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3008     }
3009     /* ../lib/standard/kernel.nit:242 */
3010     REGB3 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB3));
3011   } else {
3012     /* ../lib/standard/string.nit:578 */
3013     REGB2 = TAG_Bool(0);
3014     REGB3 = REGB2;
3015   }
3016   if (UNTAG_Bool(REGB3)) {
3017   } else {
3018     nit_abort("Assert failed", NULL, LOCATE_standard___string, 578);
3019   }
3020   /* ../lib/standard/string.nit:579 */
3021   REGB3 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
3022   if (UNTAG_Bool(REGB3)) {
3023   } else {
3024     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 579);
3025   }
3026   fra.me.REG[0] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
3027   /* ../lib/standard/string.nit:971 */
3028   UNBOX_NativeString(fra.me.REG[0])[UNTAG_Int(REGB0)]=UNTAG_Char(REGB1);;
3029   label1: while(0);
3030   stack_frame_head = fra.me.prev;
3031   return;
3032 }
3033 static const char LOCATE_standard___string___Buffer___add[] = "string::Buffer::(abstract_collection::SimpleCollection::add)";
3034 void standard___string___Buffer___add(val_t p0, val_t p1){
3035   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
3036   val_t REGB0;
3037   val_t REGB1;
3038   val_t REGB2;
3039   val_t REGB3;
3040   val_t tmp;
3041   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3042   fra.me.file = LOCATE_standard___string;
3043   fra.me.line = 582;
3044   fra.me.meth = LOCATE_standard___string___Buffer___add;
3045   fra.me.has_broke = 0;
3046   fra.me.REG_size = 2;
3047   fra.me.nitni_local_ref_head = NULL;
3048   fra.me.REG[0] = NIT_NULL;
3049   fra.me.REG[1] = NIT_NULL;
3050   fra.me.REG[0] = p0;
3051   REGB0 = p1;
3052   /* ../lib/standard/string.nit:584 */
3053   REGB1 = TAG_Bool(ATTR_standard___string___Buffer____capacity(fra.me.REG[0])!=NIT_NULL);
3054   if (UNTAG_Bool(REGB1)) {
3055   } else {
3056     nit_abort("Uninitialized attribute %s", "_capacity", LOCATE_standard___string, 584);
3057   }
3058   REGB1 = ATTR_standard___string___Buffer____capacity(fra.me.REG[0]);
3059   /* ../lib/standard/collection/array.nit:24 */
3060   REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
3061   if (UNTAG_Bool(REGB2)) {
3062   } else {
3063     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3064   }
3065   REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3066   REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
3067   if (UNTAG_Bool(REGB3)) {
3068   } else {
3069     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3070   }
3071   /* ../lib/standard/kernel.nit:241 */
3072   REGB2 = TAG_Bool(UNTAG_Int(REGB1)<=UNTAG_Int(REGB2));
3073   /* ../lib/standard/string.nit:584 */
3074   if (UNTAG_Bool(REGB2)) {
3075     /* ../lib/standard/collection/array.nit:24 */
3076     REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
3077     if (UNTAG_Bool(REGB2)) {
3078     } else {
3079       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3080     }
3081     REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3082     /* ../lib/standard/string.nit:584 */
3083     REGB1 = TAG_Int(5);
3084     /* ../lib/standard/kernel.nit:245 */
3085     REGB1 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB1));
3086     /* ../lib/standard/string.nit:584 */
3087     CALL_standard___collection___array___AbstractArray___enlarge(fra.me.REG[0])(fra.me.REG[0], REGB1);
3088   }
3089   /* ../lib/standard/string.nit:585 */
3090   REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
3091   if (UNTAG_Bool(REGB1)) {
3092   } else {
3093     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 585);
3094   }
3095   fra.me.REG[1] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
3096   /* ../lib/standard/collection/array.nit:24 */
3097   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
3098   if (UNTAG_Bool(REGB1)) {
3099   } else {
3100     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3101   }
3102   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3103   /* ../lib/standard/string.nit:971 */
3104   UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB1)]=UNTAG_Char(REGB0);;
3105   /* ../lib/standard/string.nit:586 */
3106   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3107   REGB1 = TAG_Int(1);
3108   /* ../lib/standard/kernel.nit:245 */
3109   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
3110   /* ../lib/standard/string.nit:586 */
3111   ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]) = REGB1;
3112   stack_frame_head = fra.me.prev;
3113   return;
3114 }
3115 static const char LOCATE_standard___string___Buffer___enlarge[] = "string::Buffer::(array::AbstractArray::enlarge)";
3116 void standard___string___Buffer___enlarge(val_t p0, val_t p1){
3117   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
3118   val_t REGB0;
3119   val_t REGB1;
3120   val_t REGB2;
3121   val_t REGB3;
3122   val_t tmp;
3123   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3124   fra.me.file = LOCATE_standard___string;
3125   fra.me.line = 589;
3126   fra.me.meth = LOCATE_standard___string___Buffer___enlarge;
3127   fra.me.has_broke = 0;
3128   fra.me.REG_size = 3;
3129   fra.me.nitni_local_ref_head = NULL;
3130   fra.me.REG[0] = NIT_NULL;
3131   fra.me.REG[1] = NIT_NULL;
3132   fra.me.REG[2] = NIT_NULL;
3133   fra.me.REG[0] = p0;
3134   REGB0 = p1;
3135   /* ../lib/standard/string.nit:591 */
3136   REGB1 = TAG_Bool(ATTR_standard___string___Buffer____capacity(fra.me.REG[0])!=NIT_NULL);
3137   if (UNTAG_Bool(REGB1)) {
3138   } else {
3139     nit_abort("Uninitialized attribute %s", "_capacity", LOCATE_standard___string, 591);
3140   }
3141   REGB1 = ATTR_standard___string___Buffer____capacity(fra.me.REG[0]);
3142   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
3143   if (UNTAG_Bool(REGB2)) {
3144   } else {
3145     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3146   }
3147   /* ../lib/standard/kernel.nit:241 */
3148   REGB2 = TAG_Bool(UNTAG_Int(REGB0)<=UNTAG_Int(REGB1));
3149   /* ../lib/standard/string.nit:592 */
3150   if (UNTAG_Bool(REGB2)) {
3151     goto label1;
3152   }
3153   /* ../lib/standard/string.nit:593 */
3154   while(1) {
3155     REGB2 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
3156     if (UNTAG_Bool(REGB2)) {
3157     } else {
3158       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3159     }
3160     /* ../lib/standard/kernel.nit:241 */
3161     REGB2 = TAG_Bool(UNTAG_Int(REGB1)<=UNTAG_Int(REGB0));
3162     /* ../lib/standard/string.nit:593 */
3163     if (UNTAG_Bool(REGB2)) {
3164       REGB2 = TAG_Int(2);
3165       /* ../lib/standard/kernel.nit:248 */
3166       REGB2 = TAG_Int(UNTAG_Int(REGB1)*UNTAG_Int(REGB2));
3167       /* ../lib/standard/string.nit:593 */
3168       REGB3 = TAG_Int(2);
3169       /* ../lib/standard/kernel.nit:245 */
3170       REGB3 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB3));
3171       /* ../lib/standard/string.nit:593 */
3172       REGB1 = REGB3;
3173     } else {
3174       goto label2;
3175     }
3176   }
3177   label2: while(0);
3178   /* ../lib/standard/string.nit:594 */
3179   REGB0 = TAG_Int(1);
3180   /* ../lib/standard/kernel.nit:245 */
3181   REGB0 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB0));
3182   /* ../lib/standard/string.nit:1007 */
3183   fra.me.REG[1] = BOX_NativeString((char*)raw_alloc((UNTAG_Int(REGB0) * sizeof(char))));
3184   /* ../lib/standard/string.nit:595 */
3185   REGB0 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
3186   if (UNTAG_Bool(REGB0)) {
3187   } else {
3188     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 595);
3189   }
3190   fra.me.REG[2] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
3191   /* ../lib/standard/collection/array.nit:24 */
3192   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
3193   if (UNTAG_Bool(REGB0)) {
3194   } else {
3195     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3196   }
3197   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3198   /* ../lib/standard/string.nit:595 */
3199   REGB3 = TAG_Int(0);
3200   REGB2 = TAG_Int(0);
3201   /* ../lib/standard/string.nit:972 */
3202   (void)memcpy(UNBOX_NativeString(fra.me.REG[1])+UNTAG_Int(REGB2), UNBOX_NativeString(fra.me.REG[2])+UNTAG_Int(REGB3), UNTAG_Int(REGB0));;
3203   /* ../lib/standard/string.nit:596 */
3204   ATTR_standard___string___AbstractString____items(fra.me.REG[0]) = fra.me.REG[1];
3205   /* ../lib/standard/string.nit:597 */
3206   ATTR_standard___string___Buffer____capacity(fra.me.REG[0]) = REGB1;
3207   label1: while(0);
3208   stack_frame_head = fra.me.prev;
3209   return;
3210 }
3211 static const char LOCATE_standard___string___Buffer___append[] = "string::Buffer::(abstract_collection::Sequence::append)";
3212 void standard___string___Buffer___append(val_t p0, val_t p1){
3213   struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
3214   val_t REGB0;
3215   val_t REGB1;
3216   val_t REGB2;
3217   val_t REGB3;
3218   val_t tmp;
3219   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3220   fra.me.file = LOCATE_standard___string;
3221   fra.me.line = 600;
3222   fra.me.meth = LOCATE_standard___string___Buffer___append;
3223   fra.me.has_broke = 0;
3224   fra.me.REG_size = 6;
3225   fra.me.nitni_local_ref_head = NULL;
3226   fra.me.REG[0] = NIT_NULL;
3227   fra.me.REG[1] = NIT_NULL;
3228   fra.me.REG[2] = NIT_NULL;
3229   fra.me.REG[3] = NIT_NULL;
3230   fra.me.REG[4] = NIT_NULL;
3231   fra.me.REG[5] = NIT_NULL;
3232   fra.me.REG[0] = p0;
3233   fra.me.REG[1] = p1;
3234   /* ../lib/standard/string.nit:600 */
3235   fra.me.REG[2] = fra.me.REG[0];
3236   fra.me.REG[3] = fra.me.REG[1];
3237   /* ../lib/standard/string.nit:602 */
3238   REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[3], COLOR_standard___string___String, ID_standard___string___String)) /*cast String*/;
3239   if (UNTAG_Bool(REGB0)) {
3240     /* ../lib/standard/collection/array.nit:24 */
3241     REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
3242     if (UNTAG_Bool(REGB0)) {
3243     } else {
3244       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3245     }
3246     REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[3]);
3247     /* ../lib/standard/string.nit:604 */
3248     REGB1 = TAG_Bool(ATTR_standard___string___Buffer____capacity(fra.me.REG[2])!=NIT_NULL);
3249     if (UNTAG_Bool(REGB1)) {
3250     } else {
3251       nit_abort("Uninitialized attribute %s", "_capacity", LOCATE_standard___string, 604);
3252     }
3253     REGB1 = ATTR_standard___string___Buffer____capacity(fra.me.REG[2]);
3254     REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
3255     if (UNTAG_Bool(REGB2)) {
3256     } else {
3257       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 604);
3258     }
3259     REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
3260     /* ../lib/standard/kernel.nit:245 */
3261     REGB2 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB0));
3262     REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
3263     if (UNTAG_Bool(REGB3)) {
3264     } else {
3265       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3266     }
3267     /* ../lib/standard/kernel.nit:242 */
3268     REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
3269     /* ../lib/standard/string.nit:604 */
3270     if (UNTAG_Bool(REGB2)) {
3271       REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
3272       if (UNTAG_Bool(REGB2)) {
3273       } else {
3274         nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 604);
3275       }
3276       REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
3277       /* ../lib/standard/kernel.nit:245 */
3278       REGB2 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB0));
3279       /* ../lib/standard/string.nit:604 */
3280       CALL_standard___collection___array___AbstractArray___enlarge(fra.me.REG[2])(fra.me.REG[2], REGB2);
3281     }
3282     /* ../lib/standard/string.nit:605 */
3283     fra.me.REG[4] = CALL_standard___string___AbstractString___items(fra.me.REG[3])(fra.me.REG[3]);
3284     REGB2 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[2])!=NIT_NULL);
3285     if (UNTAG_Bool(REGB2)) {
3286     } else {
3287       nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 605);
3288     }
3289     fra.me.REG[5] = ATTR_standard___string___AbstractString____items(fra.me.REG[2]);
3290     REGB2 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[3])!=NIT_NULL);
3291     if (UNTAG_Bool(REGB2)) {
3292     } else {
3293       nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 605);
3294     }
3295     REGB2 = ATTR_standard___string___String____index_from(fra.me.REG[3]);
3296     REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
3297     if (UNTAG_Bool(REGB1)) {
3298     } else {
3299       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 605);
3300     }
3301     REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
3302     /* ../lib/standard/string.nit:972 */
3303     (void)memcpy(UNBOX_NativeString(fra.me.REG[5])+UNTAG_Int(REGB1), UNBOX_NativeString(fra.me.REG[4])+UNTAG_Int(REGB2), UNTAG_Int(REGB0));;
3304     /* ../lib/standard/string.nit:606 */
3305     REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
3306     /* ../lib/standard/kernel.nit:245 */
3307     REGB0 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB0));
3308     /* ../lib/standard/string.nit:606 */
3309     ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]) = REGB0;
3310   } else {
3311     /* ../lib/standard/string.nit:608 */
3312     CALL_SUPER_standard___string___Buffer___append(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
3313   }
3314   stack_frame_head = fra.me.prev;
3315   return;
3316 }
3317 static const char LOCATE_standard___string___Buffer___to_s[] = "string::Buffer::(string::Object::to_s)";
3318 val_t standard___string___Buffer___to_s(val_t p0){
3319   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
3320   val_t REGB0;
3321   val_t REGB1;
3322   val_t REGB2;
3323   val_t tmp;
3324   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3325   fra.me.file = LOCATE_standard___string;
3326   fra.me.line = 612;
3327   fra.me.meth = LOCATE_standard___string___Buffer___to_s;
3328   fra.me.has_broke = 0;
3329   fra.me.REG_size = 3;
3330   fra.me.nitni_local_ref_head = NULL;
3331   fra.me.REG[0] = NIT_NULL;
3332   fra.me.REG[1] = NIT_NULL;
3333   fra.me.REG[2] = NIT_NULL;
3334   fra.me.REG[0] = p0;
3335   /* ../lib/standard/collection/array.nit:24 */
3336   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
3337   if (UNTAG_Bool(REGB0)) {
3338   } else {
3339     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3340   }
3341   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3342   /* ../lib/standard/string.nit:615 */
3343   REGB1 = TAG_Int(1);
3344   /* ../lib/standard/kernel.nit:245 */
3345   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
3346   /* ../lib/standard/string.nit:1007 */
3347   fra.me.REG[1] = BOX_NativeString((char*)raw_alloc((UNTAG_Int(REGB1) * sizeof(char))));
3348   /* ../lib/standard/string.nit:616 */
3349   REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
3350   if (UNTAG_Bool(REGB1)) {
3351   } else {
3352     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 616);
3353   }
3354   fra.me.REG[2] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
3355   REGB1 = TAG_Int(0);
3356   REGB2 = TAG_Int(0);
3357   /* ../lib/standard/string.nit:972 */
3358   (void)memcpy(UNBOX_NativeString(fra.me.REG[1])+UNTAG_Int(REGB2), UNBOX_NativeString(fra.me.REG[2])+UNTAG_Int(REGB1), UNTAG_Int(REGB0));;
3359   /* ../lib/standard/collection/array.nit:24 */
3360   REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
3361   if (UNTAG_Bool(REGB2)) {
3362   } else {
3363     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3364   }
3365   REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3366   /* ../lib/standard/string.nit:619 */
3367   REGB1 = TAG_Char('\0');
3368   /* ../lib/standard/string.nit:971 */
3369   UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB2)]=UNTAG_Char(REGB1);;
3370   /* ../lib/standard/collection/array.nit:24 */
3371   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
3372   if (UNTAG_Bool(REGB1)) {
3373   } else {
3374     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3375   }
3376   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3377   /* ../lib/standard/string.nit:621 */
3378   fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB1);
3379   goto label1;
3380   label1: while(0);
3381   stack_frame_head = fra.me.prev;
3382   return fra.me.REG[1];
3383 }
3384 static const char LOCATE_standard___string___Buffer_____l[] = "string::Buffer::(kernel::Comparable::<)";
3385 val_t standard___string___Buffer_____l(val_t p0, val_t p1){
3386   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
3387   val_t REGB0;
3388   val_t REGB1;
3389   val_t REGB2;
3390   val_t REGB3;
3391   val_t REGB4;
3392   val_t REGB5;
3393   val_t REGB6;
3394   val_t tmp;
3395   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3396   fra.me.file = LOCATE_standard___string;
3397   fra.me.line = 624;
3398   fra.me.meth = LOCATE_standard___string___Buffer_____l;
3399   fra.me.has_broke = 0;
3400   fra.me.REG_size = 2;
3401   fra.me.nitni_local_ref_head = NULL;
3402   fra.me.REG[0] = NIT_NULL;
3403   fra.me.REG[1] = NIT_NULL;
3404   fra.me.REG[0] = p0;
3405   fra.me.REG[1] = p1;
3406   REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], VTCOLOR_standard___kernel___Comparable___OTHER(fra.me.REG[0]), VTID_standard___kernel___Comparable___OTHER(fra.me.REG[0]))) /*cast OTHER*/;
3407   if (UNTAG_Bool(REGB0)) {
3408   } else {
3409     nit_abort("Cast failed", NULL, LOCATE_standard___string, 0);
3410   }
3411   /* ../lib/standard/string.nit:626 */
3412   REGB0 = TAG_Int(0);
3413   /* ../lib/standard/collection/array.nit:24 */
3414   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
3415   if (UNTAG_Bool(REGB1)) {
3416   } else {
3417     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3418   }
3419   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3420   REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
3421   if (UNTAG_Bool(REGB2)) {
3422   } else {
3423     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3424   }
3425   REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
3426   /* ../lib/standard/string.nit:629 */
3427   while(1) {
3428     REGB3 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
3429     if (UNTAG_Bool(REGB3)) {
3430     } else {
3431       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3432     }
3433     /* ../lib/standard/kernel.nit:242 */
3434     REGB3 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
3435     /* ../lib/standard/string.nit:629 */
3436     if (UNTAG_Bool(REGB3)) {
3437       REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
3438       if (UNTAG_Bool(REGB3)) {
3439       } else {
3440         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3441       }
3442       /* ../lib/standard/kernel.nit:242 */
3443       REGB3 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
3444     } else {
3445       /* ../lib/standard/string.nit:629 */
3446       REGB4 = TAG_Bool(0);
3447       REGB3 = REGB4;
3448     }
3449     if (UNTAG_Bool(REGB3)) {
3450       /* ../lib/standard/string.nit:630 */
3451       REGB3 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[0])(fra.me.REG[0], REGB0);
3452       /* ../lib/standard/kernel.nit:471 */
3453       REGB3 = TAG_Int((unsigned char)UNTAG_Char(REGB3));
3454       /* ../lib/standard/string.nit:631 */
3455       REGB4 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB0);
3456       /* ../lib/standard/kernel.nit:471 */
3457       REGB4 = TAG_Int((unsigned char)UNTAG_Char(REGB4));
3458       REGB5 = TAG_Bool(VAL_ISA(REGB4, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
3459       if (UNTAG_Bool(REGB5)) {
3460       } else {
3461         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3462       }
3463       /* ../lib/standard/kernel.nit:242 */
3464       REGB5 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB4));
3465       /* ../lib/standard/string.nit:632 */
3466       if (UNTAG_Bool(REGB5)) {
3467         /* ../lib/standard/string.nit:633 */
3468         REGB5 = TAG_Bool(1);
3469         goto label1;
3470       } else {
3471         REGB6 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
3472         if (UNTAG_Bool(REGB6)) {
3473         } else {
3474           nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3475         }
3476         /* ../lib/standard/kernel.nit:242 */
3477         REGB3 = TAG_Bool(UNTAG_Int(REGB4)<UNTAG_Int(REGB3));
3478         /* ../lib/standard/string.nit:634 */
3479         if (UNTAG_Bool(REGB3)) {
3480           /* ../lib/standard/string.nit:635 */
3481           REGB3 = TAG_Bool(0);
3482           REGB5 = REGB3;
3483           goto label1;
3484         }
3485       }
3486       /* ../lib/standard/string.nit:637 */
3487       REGB3 = TAG_Int(1);
3488       /* ../lib/standard/kernel.nit:245 */
3489       REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB3));
3490       /* ../lib/standard/string.nit:637 */
3491       REGB0 = REGB3;
3492     } else {
3493       /* ../lib/standard/string.nit:629 */
3494       goto label2;
3495     }
3496   }
3497   label2: while(0);
3498   REGB0 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
3499   if (UNTAG_Bool(REGB0)) {
3500   } else {
3501     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3502   }
3503   /* ../lib/standard/kernel.nit:242 */
3504   REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
3505   /* ../lib/standard/string.nit:639 */
3506   if (UNTAG_Bool(REGB2)) {
3507     /* ../lib/standard/string.nit:640 */
3508     REGB2 = TAG_Bool(1);
3509     REGB5 = REGB2;
3510     goto label1;
3511   } else {
3512     /* ../lib/standard/string.nit:642 */
3513     REGB2 = TAG_Bool(0);
3514     REGB5 = REGB2;
3515     goto label1;
3516   }
3517   label1: while(0);
3518   stack_frame_head = fra.me.prev;
3519   return REGB5;
3520 }
3521 static const char LOCATE_standard___string___Buffer___init[] = "string::Buffer::init";
3522 void standard___string___Buffer___init(val_t p0, int* init_table){
3523   int itpos2 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_standard___string___Buffer].i;
3524   struct {struct stack_frame_t me;} fra;
3525   val_t REGB0;
3526   val_t tmp;
3527   if (init_table[itpos2]) return;
3528   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3529   fra.me.file = LOCATE_standard___string;
3530   fra.me.line = 646;
3531   fra.me.meth = LOCATE_standard___string___Buffer___init;
3532   fra.me.has_broke = 0;
3533   fra.me.REG_size = 1;
3534   fra.me.nitni_local_ref_head = NULL;
3535   fra.me.REG[0] = NIT_NULL;
3536   fra.me.REG[0] = p0;
3537   /* ../lib/standard/string.nit:649 */
3538   REGB0 = TAG_Int(5);
3539   CALL_standard___string___Buffer___with_capacity(fra.me.REG[0])(fra.me.REG[0], REGB0, init_table);
3540   stack_frame_head = fra.me.prev;
3541   init_table[itpos2] = 1;
3542   return;
3543 }
3544 static const char LOCATE_standard___string___Buffer___from[] = "string::Buffer::from";
3545 void standard___string___Buffer___from(val_t p0, val_t p1, int* init_table){
3546   int itpos3 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_standard___string___Buffer].i;
3547   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
3548   val_t REGB0;
3549   val_t REGB1;
3550   val_t REGB2;
3551   val_t tmp;
3552   if (init_table[itpos3]) return;
3553   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3554   fra.me.file = LOCATE_standard___string;
3555   fra.me.line = 652;
3556   fra.me.meth = LOCATE_standard___string___Buffer___from;
3557   fra.me.has_broke = 0;
3558   fra.me.REG_size = 4;
3559   fra.me.nitni_local_ref_head = NULL;
3560   fra.me.REG[0] = NIT_NULL;
3561   fra.me.REG[1] = NIT_NULL;
3562   fra.me.REG[2] = NIT_NULL;
3563   fra.me.REG[3] = NIT_NULL;
3564   fra.me.REG[0] = p0;
3565   fra.me.REG[1] = p1;
3566   /* ../lib/standard/collection/array.nit:24 */
3567   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
3568   if (UNTAG_Bool(REGB0)) {
3569   } else {
3570     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3571   }
3572   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
3573   /* ../lib/standard/string.nit:654 */
3574   REGB1 = TAG_Int(1);
3575   /* ../lib/standard/kernel.nit:245 */
3576   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
3577   /* ../lib/standard/string.nit:654 */
3578   ATTR_standard___string___Buffer____capacity(fra.me.REG[0]) = REGB1;
3579   /* ../lib/standard/collection/array.nit:24 */
3580   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
3581   if (UNTAG_Bool(REGB1)) {
3582   } else {
3583     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3584   }
3585   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
3586   /* ../lib/standard/string.nit:655 */
3587   ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]) = REGB1;
3588   /* ../lib/standard/string.nit:656 */
3589   REGB1 = TAG_Bool(ATTR_standard___string___Buffer____capacity(fra.me.REG[0])!=NIT_NULL);
3590   if (UNTAG_Bool(REGB1)) {
3591   } else {
3592     nit_abort("Uninitialized attribute %s", "_capacity", LOCATE_standard___string, 656);
3593   }
3594   REGB1 = ATTR_standard___string___Buffer____capacity(fra.me.REG[0]);
3595   /* ../lib/standard/string.nit:1007 */
3596   fra.me.REG[2] = BOX_NativeString((char*)raw_alloc((UNTAG_Int(REGB1) * sizeof(char))));
3597   /* ../lib/standard/string.nit:656 */
3598   ATTR_standard___string___AbstractString____items(fra.me.REG[0]) = fra.me.REG[2];
3599   /* ../lib/standard/string.nit:657 */
3600   fra.me.REG[2] = CALL_standard___string___AbstractString___items(fra.me.REG[1])(fra.me.REG[1]);
3601   REGB1 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
3602   if (UNTAG_Bool(REGB1)) {
3603   } else {
3604     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 657);
3605   }
3606   fra.me.REG[3] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
3607   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
3608   if (UNTAG_Bool(REGB1)) {
3609   } else {
3610     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string, 657);
3611   }
3612   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3613   REGB0 = TAG_Bool(ATTR_standard___string___String____index_from(fra.me.REG[1])!=NIT_NULL);
3614   if (UNTAG_Bool(REGB0)) {
3615   } else {
3616     nit_abort("Uninitialized attribute %s", "_index_from", LOCATE_standard___string, 657);
3617   }
3618   REGB0 = ATTR_standard___string___String____index_from(fra.me.REG[1]);
3619   REGB2 = TAG_Int(0);
3620   /* ../lib/standard/string.nit:972 */
3621   (void)memcpy(UNBOX_NativeString(fra.me.REG[3])+UNTAG_Int(REGB2), UNBOX_NativeString(fra.me.REG[2])+UNTAG_Int(REGB0), UNTAG_Int(REGB1));;
3622   stack_frame_head = fra.me.prev;
3623   init_table[itpos3] = 1;
3624   return;
3625 }
3626 static const char LOCATE_standard___string___Buffer___with_capacity[] = "string::Buffer::with_capacity";
3627 void standard___string___Buffer___with_capacity(val_t p0, val_t p1, int* init_table){
3628   int itpos4 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_standard___string___Buffer].i;
3629   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
3630   val_t REGB0;
3631   val_t REGB1;
3632   val_t REGB2;
3633   val_t tmp;
3634   if (init_table[itpos4]) return;
3635   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3636   fra.me.file = LOCATE_standard___string;
3637   fra.me.line = 660;
3638   fra.me.meth = LOCATE_standard___string___Buffer___with_capacity;
3639   fra.me.has_broke = 0;
3640   fra.me.REG_size = 2;
3641   fra.me.nitni_local_ref_head = NULL;
3642   fra.me.REG[0] = NIT_NULL;
3643   fra.me.REG[1] = NIT_NULL;
3644   fra.me.REG[0] = p0;
3645   REGB0 = p1;
3646   /* ../lib/standard/string.nit:663 */
3647   REGB1 = TAG_Int(0);
3648   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
3649   if (UNTAG_Bool(REGB2)) {
3650   } else {
3651     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3652   }
3653   /* ../lib/standard/kernel.nit:243 */
3654   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
3655   /* ../lib/standard/string.nit:663 */
3656   if (UNTAG_Bool(REGB1)) {
3657   } else {
3658     nit_abort("Assert failed", NULL, LOCATE_standard___string, 663);
3659   }
3660   /* ../lib/standard/string.nit:665 */
3661   REGB1 = TAG_Int(1);
3662   /* ../lib/standard/kernel.nit:245 */
3663   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
3664   /* ../lib/standard/string.nit:1007 */
3665   fra.me.REG[1] = BOX_NativeString((char*)raw_alloc((UNTAG_Int(REGB1) * sizeof(char))));
3666   /* ../lib/standard/string.nit:665 */
3667   ATTR_standard___string___AbstractString____items(fra.me.REG[0]) = fra.me.REG[1];
3668   /* ../lib/standard/string.nit:666 */
3669   ATTR_standard___string___Buffer____capacity(fra.me.REG[0]) = REGB0;
3670   /* ../lib/standard/string.nit:667 */
3671   REGB0 = TAG_Int(0);
3672   ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]) = REGB0;
3673   stack_frame_head = fra.me.prev;
3674   init_table[itpos4] = 1;
3675   return;
3676 }
3677 static const char LOCATE_standard___string___Buffer_____eqeq[] = "string::Buffer::(kernel::Object::==)";
3678 val_t standard___string___Buffer_____eqeq(val_t p0, val_t p1){
3679   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
3680   val_t REGB0;
3681   val_t REGB1;
3682   val_t REGB2;
3683   val_t REGB3;
3684   val_t REGB4;
3685   val_t REGB5;
3686   val_t tmp;
3687   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3688   fra.me.file = LOCATE_standard___string;
3689   fra.me.line = 670;
3690   fra.me.meth = LOCATE_standard___string___Buffer_____eqeq;
3691   fra.me.has_broke = 0;
3692   fra.me.REG_size = 2;
3693   fra.me.nitni_local_ref_head = NULL;
3694   fra.me.REG[0] = NIT_NULL;
3695   fra.me.REG[1] = NIT_NULL;
3696   fra.me.REG[0] = p0;
3697   fra.me.REG[1] = p1;
3698   /* ../lib/standard/string.nit:672 */
3699   REGB0 = TAG_Bool((fra.me.REG[1]!=NIT_NULL) && VAL_ISA(fra.me.REG[1], COLOR_standard___string___Buffer, ID_standard___string___Buffer)) /*cast Buffer*/;
3700   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
3701   if (UNTAG_Bool(REGB0)) {
3702     REGB0 = TAG_Bool(1);
3703   } else {
3704     REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
3705     REGB0 = REGB1;
3706   }
3707   if (UNTAG_Bool(REGB0)) {
3708     REGB0 = TAG_Bool(0);
3709     goto label1;
3710   }
3711   /* ../lib/standard/collection/array.nit:24 */
3712   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
3713   if (UNTAG_Bool(REGB1)) {
3714   } else {
3715     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3716   }
3717   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
3718   /* ../lib/standard/string.nit:674 */
3719   REGB2 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
3720   if (UNTAG_Bool(REGB2)) {
3721     nit_abort("Reciever is null", NULL, LOCATE_standard___string, 674);
3722   }
3723   /* ../lib/standard/collection/array.nit:24 */
3724   REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
3725   if (UNTAG_Bool(REGB2)) {
3726   } else {
3727     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
3728   }
3729   REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
3730   /* ../lib/standard/string.nit:674 */
3731   REGB3 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB1));
3732   if (UNTAG_Bool(REGB3)) {
3733   } else {
3734     /* ../lib/standard/kernel.nit:237 */
3735     REGB2 = TAG_Bool((REGB2)==(REGB1));
3736     /* ../lib/standard/string.nit:674 */
3737     REGB3 = REGB2;
3738   }
3739   REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
3740   if (UNTAG_Bool(REGB3)) {
3741     REGB3 = TAG_Bool(0);
3742     REGB0 = REGB3;
3743     goto label1;
3744   }
3745   /* ../lib/standard/string.nit:675 */
3746   REGB3 = TAG_Int(0);
3747   /* ../lib/standard/string.nit:676 */
3748   REGB2 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[0])!=NIT_NULL);
3749   if (UNTAG_Bool(REGB2)) {
3750   } else {
3751     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 676);
3752   }
3753   fra.me.REG[0] = ATTR_standard___string___AbstractString____items(fra.me.REG[0]);
3754   /* ../lib/standard/string.nit:677 */
3755   REGB2 = TAG_Bool(ATTR_standard___string___AbstractString____items(fra.me.REG[1])!=NIT_NULL);
3756   if (UNTAG_Bool(REGB2)) {
3757   } else {
3758     nit_abort("Uninitialized attribute %s", "_items", LOCATE_standard___string, 677);
3759   }
3760   fra.me.REG[1] = ATTR_standard___string___AbstractString____items(fra.me.REG[1]);
3761   /* ../lib/standard/string.nit:678 */
3762   while(1) {
3763     REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
3764     if (UNTAG_Bool(REGB2)) {
3765     } else {
3766       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
3767     }
3768     /* ../lib/standard/kernel.nit:242 */
3769     REGB2 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB1));
3770     /* ../lib/standard/string.nit:678 */
3771     if (UNTAG_Bool(REGB2)) {
3772       /* ../lib/standard/string.nit:970 */
3773       REGB2 = TAG_Char(UNBOX_NativeString(fra.me.REG[0])[UNTAG_Int(REGB3)]);
3774       REGB4 = TAG_Char(UNBOX_NativeString(fra.me.REG[1])[UNTAG_Int(REGB3)]);
3775       /* ../lib/standard/string.nit:679 */
3776       REGB5 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB4));
3777       if (UNTAG_Bool(REGB5)) {
3778       } else {
3779         /* ../lib/standard/kernel.nit:434 */
3780         REGB4 = TAG_Bool((REGB2)==(REGB4));
3781         /* ../lib/standard/string.nit:679 */
3782         REGB5 = REGB4;
3783       }
3784       REGB5 = TAG_Bool(!UNTAG_Bool(REGB5));
3785       if (UNTAG_Bool(REGB5)) {
3786         REGB5 = TAG_Bool(0);
3787         REGB0 = REGB5;
3788         goto label1;
3789       }
3790       /* ../lib/standard/string.nit:680 */
3791       REGB5 = TAG_Int(1);
3792       /* ../lib/standard/kernel.nit:245 */
3793       REGB5 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB5));
3794       /* ../lib/standard/string.nit:680 */
3795       REGB3 = REGB5;
3796     } else {
3797       /* ../lib/standard/string.nit:678 */
3798       goto label2;
3799     }
3800   }
3801   label2: while(0);
3802   /* ../lib/standard/string.nit:682 */
3803   REGB3 = TAG_Bool(1);
3804   REGB0 = REGB3;
3805   goto label1;
3806   label1: while(0);
3807   stack_frame_head = fra.me.prev;
3808   return REGB0;
3809 }
3810 static const char LOCATE_standard___string___Buffer___capacity[] = "string::Buffer::capacity";
3811 val_t standard___string___Buffer___capacity(val_t p0){
3812   struct {struct stack_frame_t me;} fra;
3813   val_t REGB0;
3814   val_t tmp;
3815   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3816   fra.me.file = LOCATE_standard___string;
3817   fra.me.line = 685;
3818   fra.me.meth = LOCATE_standard___string___Buffer___capacity;
3819   fra.me.has_broke = 0;
3820   fra.me.REG_size = 1;
3821   fra.me.nitni_local_ref_head = NULL;
3822   fra.me.REG[0] = NIT_NULL;
3823   fra.me.REG[0] = p0;
3824   /* ../lib/standard/string.nit:685 */
3825   REGB0 = TAG_Bool(ATTR_standard___string___Buffer____capacity(fra.me.REG[0])!=NIT_NULL);
3826   if (UNTAG_Bool(REGB0)) {
3827   } else {
3828     nit_abort("Uninitialized attribute %s", "_capacity", LOCATE_standard___string, 685);
3829   }
3830   REGB0 = ATTR_standard___string___Buffer____capacity(fra.me.REG[0]);
3831   stack_frame_head = fra.me.prev;
3832   return REGB0;
3833 }
3834 static const char LOCATE_standard___string___Object___to_s[] = "string::Object::to_s";
3835 val_t standard___string___Object___to_s(val_t p0){
3836   struct {struct stack_frame_t me;} fra;
3837   val_t tmp;
3838   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3839   fra.me.file = LOCATE_standard___string;
3840   fra.me.line = 693;
3841   fra.me.meth = LOCATE_standard___string___Object___to_s;
3842   fra.me.has_broke = 0;
3843   fra.me.REG_size = 1;
3844   fra.me.nitni_local_ref_head = NULL;
3845   fra.me.REG[0] = NIT_NULL;
3846   fra.me.REG[0] = p0;
3847   /* ../lib/standard/string.nit:694 */
3848   fra.me.REG[0] = CALL_standard___string___Object___inspect(fra.me.REG[0])(fra.me.REG[0]);
3849   goto label1;
3850   label1: while(0);
3851   stack_frame_head = fra.me.prev;
3852   return fra.me.REG[0];
3853 }
3854 static const char LOCATE_standard___string___Object___native_class_name[] = "string::Object::native_class_name";
3855 val_t standard___string___Object___native_class_name(val_t p0){
3856   struct {struct stack_frame_t me;} fra;
3857   val_t tmp;
3858   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3859   fra.me.file = LOCATE_standard___string;
3860   fra.me.line = 696;
3861   fra.me.meth = LOCATE_standard___string___Object___native_class_name;
3862   fra.me.has_broke = 0;
3863   fra.me.REG_size = 1;
3864   fra.me.nitni_local_ref_head = NULL;
3865   fra.me.REG[0] = NIT_NULL;
3866   fra.me.REG[0] = p0;
3867   /* ../lib/standard/string.nit:696 */
3868   fra.me.REG[0] = BOX_NativeString(VAL2VFT(fra.me.REG[0])[2].cname);;
3869   stack_frame_head = fra.me.prev;
3870   return fra.me.REG[0];
3871 }
3872 static const char LOCATE_standard___string___Object___class_name[] = "string::Object::class_name";
3873 val_t standard___string___Object___class_name(val_t p0){
3874   struct {struct stack_frame_t me;} fra;
3875   val_t tmp;
3876   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3877   fra.me.file = LOCATE_standard___string;
3878   fra.me.line = 699;
3879   fra.me.meth = LOCATE_standard___string___Object___class_name;
3880   fra.me.has_broke = 0;
3881   fra.me.REG_size = 1;
3882   fra.me.nitni_local_ref_head = NULL;
3883   fra.me.REG[0] = NIT_NULL;
3884   fra.me.REG[0] = p0;
3885   /* ../lib/standard/string.nit:702 */
3886   fra.me.REG[0] = CALL_standard___string___Object___native_class_name(fra.me.REG[0])(fra.me.REG[0]);
3887   fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
3888   goto label1;
3889   label1: while(0);
3890   stack_frame_head = fra.me.prev;
3891   return fra.me.REG[0];
3892 }
3893 static const char LOCATE_standard___string___Object___inspect[] = "string::Object::inspect";
3894 val_t standard___string___Object___inspect(val_t p0){
3895   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
3896   val_t REGB0;
3897   val_t tmp;
3898   static val_t once_value_1; /* Once value */
3899   static val_t once_value_2; /* Once value */
3900   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3901   fra.me.file = LOCATE_standard___string;
3902   fra.me.line = 704;
3903   fra.me.meth = LOCATE_standard___string___Object___inspect;
3904   fra.me.has_broke = 0;
3905   fra.me.REG_size = 3;
3906   fra.me.nitni_local_ref_head = NULL;
3907   fra.me.REG[0] = NIT_NULL;
3908   fra.me.REG[1] = NIT_NULL;
3909   fra.me.REG[2] = NIT_NULL;
3910   fra.me.REG[0] = p0;
3911   /* ../lib/standard/string.nit:708 */
3912   REGB0 = TAG_Int(3);
3913   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
3914   if (!once_value_1) {
3915     fra.me.REG[2] = BOX_NativeString("<");
3916     REGB0 = TAG_Int(1);
3917     fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
3918     once_value_1 = fra.me.REG[2];
3919     register_static_object(&once_value_1);
3920   } else fra.me.REG[2] = once_value_1;
3921   fra.me.REG[2] = fra.me.REG[2];
3922   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
3923   fra.me.REG[0] = CALL_standard___string___Object___inspect_head(fra.me.REG[0])(fra.me.REG[0]);
3924   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
3925   if (!once_value_2) {
3926     fra.me.REG[0] = BOX_NativeString(">");
3927     REGB0 = TAG_Int(1);
3928     fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB0);
3929     once_value_2 = fra.me.REG[0];
3930     register_static_object(&once_value_2);
3931   } else fra.me.REG[0] = once_value_2;
3932   fra.me.REG[0] = fra.me.REG[0];
3933   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
3934   fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
3935   goto label3;
3936   label3: while(0);
3937   stack_frame_head = fra.me.prev;
3938   return fra.me.REG[1];
3939 }
3940 static const char LOCATE_standard___string___Object___inspect_head[] = "string::Object::inspect_head";
3941 val_t standard___string___Object___inspect_head(val_t p0){
3942   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
3943   val_t REGB0;
3944   val_t tmp;
3945   static val_t once_value_1; /* Once value */
3946   static val_t once_value_2; /* Once value */
3947   static val_t once_value_3; /* Once value */
3948   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
3949   fra.me.file = LOCATE_standard___string;
3950   fra.me.line = 711;
3951   fra.me.meth = LOCATE_standard___string___Object___inspect_head;
3952   fra.me.has_broke = 0;
3953   fra.me.REG_size = 3;
3954   fra.me.nitni_local_ref_head = NULL;
3955   fra.me.REG[0] = NIT_NULL;
3956   fra.me.REG[1] = NIT_NULL;
3957   fra.me.REG[2] = NIT_NULL;
3958   fra.me.REG[0] = p0;
3959   /* ../lib/standard/string.nit:715 */
3960   REGB0 = TAG_Int(5);
3961   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
3962   if (!once_value_1) {
3963     fra.me.REG[2] = BOX_NativeString("");
3964     REGB0 = TAG_Int(0);
3965     fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
3966     once_value_1 = fra.me.REG[2];
3967     register_static_object(&once_value_1);
3968   } else fra.me.REG[2] = once_value_1;
3969   fra.me.REG[2] = fra.me.REG[2];
3970   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
3971   fra.me.REG[2] = CALL_standard___string___Object___class_name(fra.me.REG[0])(fra.me.REG[0]);
3972   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
3973   if (!once_value_2) {
3974     fra.me.REG[2] = BOX_NativeString(":#");
3975     REGB0 = TAG_Int(2);
3976     fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
3977     once_value_2 = fra.me.REG[2];
3978     register_static_object(&once_value_2);
3979   } else fra.me.REG[2] = once_value_2;
3980   fra.me.REG[2] = fra.me.REG[2];
3981   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
3982   REGB0 = CALL_standard___kernel___Object___object_id(fra.me.REG[0])(fra.me.REG[0]);
3983   fra.me.REG[0] = CALL_standard___string___Int___to_hex(REGB0)(REGB0);
3984   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
3985   if (!once_value_3) {
3986     fra.me.REG[0] = BOX_NativeString("");
3987     REGB0 = TAG_Int(0);
3988     fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB0);
3989     once_value_3 = fra.me.REG[0];
3990     register_static_object(&once_value_3);
3991   } else fra.me.REG[0] = once_value_3;
3992   fra.me.REG[0] = fra.me.REG[0];
3993   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
3994   fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
3995   goto label4;
3996   label4: while(0);
3997   stack_frame_head = fra.me.prev;
3998   return fra.me.REG[1];
3999 }
4000 static const char LOCATE_standard___string___Object___args[] = "string::Object::args";
4001 val_t standard___string___Object___args(val_t p0){
4002   struct {struct stack_frame_t me;} fra;
4003   val_t tmp;
4004   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4005   fra.me.file = LOCATE_standard___string;
4006   fra.me.line = 718;
4007   fra.me.meth = LOCATE_standard___string___Object___args;
4008   fra.me.has_broke = 0;
4009   fra.me.REG_size = 1;
4010   fra.me.nitni_local_ref_head = NULL;
4011   fra.me.REG[0] = NIT_NULL;
4012   fra.me.REG[0] = p0;
4013   /* ../lib/standard/string.nit:720 */
4014   fra.me.REG[0] = CALL_standard___kernel___Object___sys(fra.me.REG[0])(fra.me.REG[0]);
4015   fra.me.REG[0] = CALL_standard___string___Object___args(fra.me.REG[0])(fra.me.REG[0]);
4016   goto label1;
4017   label1: while(0);
4018   stack_frame_head = fra.me.prev;
4019   return fra.me.REG[0];
4020 }
4021 static const char LOCATE_standard___string___Bool___to_s[] = "string::Bool::(string::Object::to_s)";
4022 val_t standard___string___Bool___to_s(val_t p0){
4023   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
4024   val_t REGB0;
4025   val_t tmp;
4026     static val_t once_value_1; /* Once value */
4027       static val_t once_value_2; /* Once value */
4028     static val_t once_value_4; /* Once value */
4029       static val_t once_value_5; /* Once value */
4030   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4031   fra.me.file = LOCATE_standard___string;
4032   fra.me.line = 725;
4033   fra.me.meth = LOCATE_standard___string___Bool___to_s;
4034   fra.me.has_broke = 0;
4035   fra.me.REG_size = 2;
4036   fra.me.nitni_local_ref_head = NULL;
4037   fra.me.REG[0] = NIT_NULL;
4038   fra.me.REG[1] = NIT_NULL;
4039   REGB0 = p0;
4040   /* ../lib/standard/string.nit:729 */
4041   if (UNTAG_Bool(REGB0)) {
4042     /* ../lib/standard/string.nit:730 */
4043     if (!once_value_1) {
4044       if (!once_value_2) {
4045         fra.me.REG[0] = BOX_NativeString("true");
4046         REGB0 = TAG_Int(4);
4047         fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB0);
4048         once_value_2 = fra.me.REG[0];
4049         register_static_object(&once_value_2);
4050       } else fra.me.REG[0] = once_value_2;
4051       fra.me.REG[0] = fra.me.REG[0];
4052       once_value_1 = fra.me.REG[0];
4053       register_static_object(&once_value_1);
4054     } else fra.me.REG[0] = once_value_1;
4055     fra.me.REG[0] = fra.me.REG[0];
4056     goto label3;
4057   } else {
4058     /* ../lib/standard/string.nit:732 */
4059     if (!once_value_4) {
4060       if (!once_value_5) {
4061         fra.me.REG[1] = BOX_NativeString("false");
4062         REGB0 = TAG_Int(5);
4063         fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB0);
4064         once_value_5 = fra.me.REG[1];
4065         register_static_object(&once_value_5);
4066       } else fra.me.REG[1] = once_value_5;
4067       fra.me.REG[1] = fra.me.REG[1];
4068       once_value_4 = fra.me.REG[1];
4069       register_static_object(&once_value_4);
4070     } else fra.me.REG[1] = once_value_4;
4071     fra.me.REG[1] = fra.me.REG[1];
4072     fra.me.REG[0] = fra.me.REG[1];
4073     goto label3;
4074   }
4075   label3: while(0);
4076   stack_frame_head = fra.me.prev;
4077   return fra.me.REG[0];
4078 }
4079 static const char LOCATE_standard___string___Int___fill_buffer[] = "string::Int::fill_buffer";
4080 void standard___string___Int___fill_buffer(val_t p0, val_t p1, val_t p2, val_t p3){
4081   struct {struct stack_frame_t me;} fra;
4082   val_t REGB0;
4083   val_t REGB1;
4084   val_t REGB2;
4085   val_t REGB3;
4086   val_t REGB4;
4087   val_t tmp;
4088   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4089   fra.me.file = LOCATE_standard___string;
4090   fra.me.line = 738;
4091   fra.me.meth = LOCATE_standard___string___Int___fill_buffer;
4092   fra.me.has_broke = 0;
4093   fra.me.REG_size = 1;
4094   fra.me.nitni_local_ref_head = NULL;
4095   fra.me.REG[0] = NIT_NULL;
4096   REGB0 = p0;
4097   fra.me.REG[0] = p1;
4098   REGB1 = p2;
4099   REGB2 = p3;
4100   /* ../lib/standard/string.nit:744 */
4101   REGB2 = TAG_Int(0);
4102   REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
4103   if (UNTAG_Bool(REGB3)) {
4104   } else {
4105     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4106   }
4107   /* ../lib/standard/kernel.nit:242 */
4108   REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
4109   /* ../lib/standard/string.nit:744 */
4110   if (UNTAG_Bool(REGB2)) {
4111     /* ../lib/standard/kernel.nit:246 */
4112     REGB2 = TAG_Int(-UNTAG_Int(REGB0));
4113     /* ../lib/standard/string.nit:746 */
4114     REGB3 = TAG_Int(0);
4115     REGB4 = TAG_Char('-');
4116     CALL_standard___collection___abstract_collection___Sequence_____braeq(fra.me.REG[0])(fra.me.REG[0], REGB3, REGB4);
4117   } else {
4118     /* ../lib/standard/string.nit:747 */
4119     REGB4 = TAG_Int(0);
4120     REGB3 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB4));
4121     if (UNTAG_Bool(REGB3)) {
4122     } else {
4123       /* ../lib/standard/kernel.nit:237 */
4124       REGB4 = TAG_Bool((REGB0)==(REGB4));
4125       /* ../lib/standard/string.nit:747 */
4126       REGB3 = REGB4;
4127     }
4128     if (UNTAG_Bool(REGB3)) {
4129       /* ../lib/standard/string.nit:748 */
4130       REGB3 = TAG_Int(0);
4131       REGB4 = TAG_Char('0');
4132       CALL_standard___collection___abstract_collection___Sequence_____braeq(fra.me.REG[0])(fra.me.REG[0], REGB3, REGB4);
4133       /* ../lib/standard/string.nit:749 */
4134       goto label1;
4135     } else {
4136       /* ../lib/standard/string.nit:751 */
4137       REGB2 = REGB0;
4138     }
4139   }
4140   /* ../lib/standard/string.nit:754 */
4141   REGB0 = CALL_standard___kernel___Int___digit_count(REGB0)(REGB0, REGB1);
4142   REGB4 = TAG_Int(1);
4143   /* ../lib/standard/kernel.nit:247 */
4144   REGB4 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB4));
4145   /* ../lib/standard/string.nit:755 */
4146   while(1) {
4147     REGB0 = TAG_Int(0);
4148     REGB3 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
4149     if (UNTAG_Bool(REGB3)) {
4150     } else {
4151       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4152     }
4153     /* ../lib/standard/kernel.nit:243 */
4154     REGB0 = TAG_Bool(UNTAG_Int(REGB4)>=UNTAG_Int(REGB0));
4155     /* ../lib/standard/string.nit:755 */
4156     if (UNTAG_Bool(REGB0)) {
4157       REGB0 = TAG_Int(0);
4158       REGB3 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
4159       if (UNTAG_Bool(REGB3)) {
4160       } else {
4161         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4162       }
4163       /* ../lib/standard/kernel.nit:244 */
4164       REGB0 = TAG_Bool(UNTAG_Int(REGB2)>UNTAG_Int(REGB0));
4165     } else {
4166       /* ../lib/standard/string.nit:755 */
4167       REGB3 = TAG_Bool(0);
4168       REGB0 = REGB3;
4169     }
4170     if (UNTAG_Bool(REGB0)) {
4171       /* ../lib/standard/kernel.nit:250 */
4172       REGB0 = TAG_Int(UNTAG_Int(REGB2)%UNTAG_Int(REGB1));
4173       /* ../lib/standard/string.nit:756 */
4174       REGB0 = CALL_standard___kernel___Int___to_c(REGB0)(REGB0);
4175       CALL_standard___collection___abstract_collection___Sequence_____braeq(fra.me.REG[0])(fra.me.REG[0], REGB4, REGB0);
4176       /* ../lib/standard/kernel.nit:249 */
4177       REGB0 = TAG_Int(UNTAG_Int(REGB2)/UNTAG_Int(REGB1));
4178       /* ../lib/standard/string.nit:757 */
4179       REGB2 = REGB0;
4180       /* ../lib/standard/string.nit:758 */
4181       REGB0 = TAG_Int(1);
4182       /* ../lib/standard/kernel.nit:247 */
4183       REGB0 = TAG_Int(UNTAG_Int(REGB4)-UNTAG_Int(REGB0));
4184       /* ../lib/standard/string.nit:758 */
4185       REGB4 = REGB0;
4186     } else {
4187       /* ../lib/standard/string.nit:755 */
4188       goto label2;
4189     }
4190   }
4191   label2: while(0);
4192   label1: while(0);
4193   stack_frame_head = fra.me.prev;
4194   return;
4195 }
4196 static const char LOCATE_standard___string___Int___native_int_to_s[] = "string::Int::native_int_to_s";
4197 val_t standard___string___Int___native_int_to_s(val_t p0, val_t p1){
4198   struct {struct stack_frame_t me;} fra;
4199   val_t REGB0;
4200   val_t REGB1;
4201   val_t tmp;
4202   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4203   fra.me.file = LOCATE_standard___string;
4204   fra.me.line = 762;
4205   fra.me.meth = LOCATE_standard___string___Int___native_int_to_s;
4206   fra.me.has_broke = 0;
4207   fra.me.REG_size = 1;
4208   fra.me.nitni_local_ref_head = NULL;
4209   fra.me.REG[0] = NIT_NULL;
4210   REGB0 = p0;
4211   REGB1 = p1;
4212   /* ../lib/standard/string.nit:762 */
4213   fra.me.REG[0] = Int_native_int_to_s___out(REGB0, REGB1);
4214   stack_frame_head = fra.me.prev;
4215   return fra.me.REG[0];
4216 }
4217 static const char LOCATE_standard___string___Int___to_s[] = "string::Int::(string::Object::to_s)";
4218 val_t standard___string___Int___to_s(val_t p0){
4219   struct {struct stack_frame_t me;} fra;
4220   val_t REGB0;
4221   val_t REGB1;
4222   val_t tmp;
4223   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4224   fra.me.file = LOCATE_standard___string;
4225   fra.me.line = 765;
4226   fra.me.meth = LOCATE_standard___string___Int___to_s;
4227   fra.me.has_broke = 0;
4228   fra.me.REG_size = 1;
4229   fra.me.nitni_local_ref_head = NULL;
4230   fra.me.REG[0] = NIT_NULL;
4231   REGB0 = p0;
4232   /* ../lib/standard/string.nit:770 */
4233   REGB1 = TAG_Int(10);
4234   REGB1 = CALL_standard___kernel___Int___digit_count(REGB0)(REGB0, REGB1);
4235   /* ../lib/standard/string.nit:771 */
4236   fra.me.REG[0] = CALL_standard___string___Int___native_int_to_s(REGB0)(REGB0, REGB1);
4237   fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB1);
4238   goto label1;
4239   label1: while(0);
4240   stack_frame_head = fra.me.prev;
4241   return fra.me.REG[0];
4242 }
4243 static const char LOCATE_standard___string___Int___to_hex[] = "string::Int::to_hex";
4244 val_t standard___string___Int___to_hex(val_t p0){
4245   struct {struct stack_frame_t me;} fra;
4246   val_t REGB0;
4247   val_t REGB1;
4248   val_t REGB2;
4249   val_t tmp;
4250   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4251   fra.me.file = LOCATE_standard___string;
4252   fra.me.line = 774;
4253   fra.me.meth = LOCATE_standard___string___Int___to_hex;
4254   fra.me.has_broke = 0;
4255   fra.me.REG_size = 1;
4256   fra.me.nitni_local_ref_head = NULL;
4257   fra.me.REG[0] = NIT_NULL;
4258   REGB0 = p0;
4259   /* ../lib/standard/string.nit:775 */
4260   REGB1 = TAG_Int(16);
4261   REGB2 = TAG_Bool(0);
4262   fra.me.REG[0] = CALL_standard___string___Int___to_base(REGB0)(REGB0, REGB1, REGB2);
4263   goto label1;
4264   label1: while(0);
4265   stack_frame_head = fra.me.prev;
4266   return fra.me.REG[0];
4267 }
4268 static const char LOCATE_standard___string___Int___to_base[] = "string::Int::to_base";
4269 val_t standard___string___Int___to_base(val_t p0, val_t p1, val_t p2){
4270   struct {struct stack_frame_t me;} fra;
4271   val_t REGB0;
4272   val_t REGB1;
4273   val_t REGB2;
4274   val_t REGB3;
4275   val_t REGB4;
4276   val_t tmp;
4277   static val_t once_value_1; /* Once value */
4278   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4279   fra.me.file = LOCATE_standard___string;
4280   fra.me.line = 777;
4281   fra.me.meth = LOCATE_standard___string___Int___to_base;
4282   fra.me.has_broke = 0;
4283   fra.me.REG_size = 1;
4284   fra.me.nitni_local_ref_head = NULL;
4285   fra.me.REG[0] = NIT_NULL;
4286   REGB0 = p0;
4287   REGB1 = p1;
4288   REGB2 = p2;
4289   /* ../lib/standard/string.nit:780 */
4290   REGB3 = CALL_standard___kernel___Int___digit_count(REGB0)(REGB0, REGB1);
4291   /* ../lib/standard/string.nit:781 */
4292   if (!once_value_1) {
4293     fra.me.REG[0] = BOX_NativeString(" ");
4294     REGB4 = TAG_Int(1);
4295     fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB4);
4296     once_value_1 = fra.me.REG[0];
4297     register_static_object(&once_value_1);
4298   } else fra.me.REG[0] = once_value_1;
4299   fra.me.REG[0] = fra.me.REG[0];
4300   fra.me.REG[0] = CALL_standard___string___String_____star(fra.me.REG[0])(fra.me.REG[0], REGB3);
4301   fra.me.REG[0] = NEW_Buffer_standard___string___Buffer___from(fra.me.REG[0]);
4302   /* ../lib/standard/string.nit:782 */
4303   CALL_standard___string___Int___fill_buffer(REGB0)(REGB0, fra.me.REG[0], REGB1, REGB2);
4304   /* ../lib/standard/string.nit:783 */
4305   fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
4306   goto label2;
4307   label2: while(0);
4308   stack_frame_head = fra.me.prev;
4309   return fra.me.REG[0];
4310 }
4311 static const char LOCATE_standard___string___Float___to_s[] = "string::Float::(string::Object::to_s)";
4312 val_t standard___string___Float___to_s(val_t p0){
4313   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
4314   val_t REGB0;
4315   val_t REGB1;
4316   val_t REGB2;
4317   val_t REGB3;
4318   val_t REGB4;
4319   val_t REGB5;
4320   val_t REGB6;
4321   val_t tmp;
4322   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4323   fra.me.file = LOCATE_standard___string;
4324   fra.me.line = 788;
4325   fra.me.meth = LOCATE_standard___string___Float___to_s;
4326   fra.me.has_broke = 0;
4327   fra.me.REG_size = 3;
4328   fra.me.nitni_local_ref_head = NULL;
4329   fra.me.REG[0] = NIT_NULL;
4330   fra.me.REG[1] = NIT_NULL;
4331   fra.me.REG[2] = NIT_NULL;
4332   fra.me.REG[0] = p0;
4333   /* ../lib/standard/string.nit:790 */
4334   REGB0 = TAG_Int(3);
4335   fra.me.REG[0] = CALL_standard___string___Float___to_precision(fra.me.REG[0])(fra.me.REG[0], REGB0);
4336   /* ../lib/standard/collection/array.nit:24 */
4337   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
4338   if (UNTAG_Bool(REGB0)) {
4339   } else {
4340     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
4341   }
4342   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
4343   /* ../lib/standard/string.nit:792 */
4344   REGB1 = TAG_Int(0);
4345   REGB2 = TAG_Int(1);
4346   /* ../lib/standard/kernel.nit:247 */
4347   REGB2 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB2));
4348   /* ../lib/standard/kernel.nit:393 */
4349   while(1) {
4350     REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
4351     if (UNTAG_Bool(REGB3)) {
4352     } else {
4353       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4354     }
4355     /* ../lib/standard/kernel.nit:241 */
4356     REGB3 = TAG_Bool(UNTAG_Int(REGB1)<=UNTAG_Int(REGB2));
4357     /* ../lib/standard/kernel.nit:393 */
4358     if (UNTAG_Bool(REGB3)) {
4359       /* ../lib/standard/string.nit:792 */
4360       REGB3 = REGB1;
4361       /* ../lib/standard/string.nit:793 */
4362       REGB4 = TAG_Int(1);
4363       /* ../lib/standard/kernel.nit:247 */
4364       REGB4 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB4));
4365       REGB3 = TAG_Int(UNTAG_Int(REGB4)-UNTAG_Int(REGB3));
4366       /* ../lib/standard/string.nit:794 */
4367       REGB4 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[0])(fra.me.REG[0], REGB3);
4368       /* ../lib/standard/string.nit:795 */
4369       REGB5 = TAG_Char('0');
4370       REGB6 = TAG_Bool(IS_EQUAL_OO(REGB4,REGB5));
4371       if (UNTAG_Bool(REGB6)) {
4372       } else {
4373         /* ../lib/standard/kernel.nit:434 */
4374         REGB5 = TAG_Bool((REGB4)==(REGB5));
4375         /* ../lib/standard/string.nit:795 */
4376         REGB6 = REGB5;
4377       }
4378       if (UNTAG_Bool(REGB6)) {
4379         /* ../lib/standard/string.nit:796 */
4380         goto label1;
4381       } else {
4382         /* ../lib/standard/string.nit:797 */
4383         REGB6 = TAG_Char('.');
4384         REGB5 = TAG_Bool(IS_EQUAL_OO(REGB4,REGB6));
4385         if (UNTAG_Bool(REGB5)) {
4386         } else {
4387           /* ../lib/standard/kernel.nit:434 */
4388           REGB6 = TAG_Bool((REGB4)==(REGB6));
4389           /* ../lib/standard/string.nit:797 */
4390           REGB5 = REGB6;
4391         }
4392         if (UNTAG_Bool(REGB5)) {
4393           /* ../lib/standard/string.nit:798 */
4394           REGB5 = TAG_Int(0);
4395           REGB6 = TAG_Int(2);
4396           /* ../lib/standard/kernel.nit:245 */
4397           REGB6 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB6));
4398           /* ../lib/standard/string.nit:798 */
4399           fra.me.REG[1] = CALL_standard___string___AbstractString___substring(fra.me.REG[0])(fra.me.REG[0], REGB5, REGB6);
4400           goto label2;
4401         } else {
4402           /* ../lib/standard/string.nit:800 */
4403           REGB6 = TAG_Int(0);
4404           REGB5 = TAG_Int(1);
4405           /* ../lib/standard/kernel.nit:245 */
4406           REGB5 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB5));
4407           /* ../lib/standard/string.nit:800 */
4408           fra.me.REG[2] = CALL_standard___string___AbstractString___substring(fra.me.REG[0])(fra.me.REG[0], REGB6, REGB5);
4409           fra.me.REG[1] = fra.me.REG[2];
4410           goto label2;
4411         }
4412       }
4413       label1: while(0);
4414       /* ../lib/standard/kernel.nit:395 */
4415       REGB5 = TAG_Int(1);
4416       /* ../lib/standard/kernel.nit:245 */
4417       REGB5 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB5));
4418       /* ../lib/standard/kernel.nit:395 */
4419       REGB1 = REGB5;
4420     } else {
4421       /* ../lib/standard/kernel.nit:393 */
4422       goto label3;
4423     }
4424   }
4425   label3: while(0);
4426   /* ../lib/standard/string.nit:803 */
4427   fra.me.REG[1] = fra.me.REG[0];
4428   goto label2;
4429   label2: while(0);
4430   stack_frame_head = fra.me.prev;
4431   return fra.me.REG[1];
4432 }
4433 static const char LOCATE_standard___string___Float___to_precision[] = "string::Float::to_precision";
4434 val_t standard___string___Float___to_precision(val_t p0, val_t p1){
4435   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
4436   val_t REGB0;
4437   val_t REGB1;
4438   val_t REGB2;
4439   val_t REGB3;
4440   val_t tmp;
4441     static val_t once_value_3; /* Once value */
4442     static val_t once_value_4; /* Once value */
4443     static val_t once_value_5; /* Once value */
4444     static val_t once_value_6; /* Once value */
4445   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4446   fra.me.file = LOCATE_standard___string;
4447   fra.me.line = 806;
4448   fra.me.meth = LOCATE_standard___string___Float___to_precision;
4449   fra.me.has_broke = 0;
4450   fra.me.REG_size = 5;
4451   fra.me.nitni_local_ref_head = NULL;
4452   fra.me.REG[0] = NIT_NULL;
4453   fra.me.REG[1] = NIT_NULL;
4454   fra.me.REG[2] = NIT_NULL;
4455   fra.me.REG[3] = NIT_NULL;
4456   fra.me.REG[4] = NIT_NULL;
4457   fra.me.REG[0] = p0;
4458   REGB0 = p1;
4459   /* ../lib/standard/string.nit:809 */
4460   REGB1 = TAG_Int(0);
4461   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
4462   if (UNTAG_Bool(REGB2)) {
4463   } else {
4464     /* ../lib/standard/kernel.nit:237 */
4465     REGB1 = TAG_Bool((REGB0)==(REGB1));
4466     /* ../lib/standard/string.nit:809 */
4467     REGB2 = REGB1;
4468   }
4469   if (UNTAG_Bool(REGB2)) {
4470     /* ../lib/standard/kernel.nit:220 */
4471     REGB2 = TAG_Int((bigint)UNBOX_Float(fra.me.REG[0]));
4472     /* ../lib/standard/string.nit:809 */
4473     fra.me.REG[1] = CALL_standard___string___Object___to_s(REGB2)(REGB2);
4474     goto label1;
4475   }
4476   /* ../lib/standard/string.nit:810 */
4477   fra.me.REG[2] = fra.me.REG[0];
4478   /* ../lib/standard/string.nit:811 */
4479   REGB2 = TAG_Int(0);
4480   /* ../lib/standard/kernel.nit:399 */
4481   REGB1 = REGB0;
4482   /* ../lib/standard/kernel.nit:404 */
4483   while(1) {
4484     REGB3 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
4485     if (UNTAG_Bool(REGB3)) {
4486     } else {
4487       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4488     }
4489     /* ../lib/standard/kernel.nit:242 */
4490     REGB3 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB1));
4491     /* ../lib/standard/kernel.nit:404 */
4492     if (UNTAG_Bool(REGB3)) {
4493       /* ../lib/standard/string.nit:811 */
4494       fra.me.REG[3] = BOX_Float(10.0);
4495       /* ../lib/standard/kernel.nit:217 */
4496       fra.me.REG[3] = BOX_Float(UNBOX_Float(fra.me.REG[2])*UNBOX_Float(fra.me.REG[3]));
4497       /* ../lib/standard/string.nit:811 */
4498       fra.me.REG[2] = fra.me.REG[3];
4499       /* ../lib/standard/kernel.nit:406 */
4500       REGB3 = TAG_Int(1);
4501       /* ../lib/standard/kernel.nit:245 */
4502       REGB3 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB3));
4503       /* ../lib/standard/kernel.nit:406 */
4504       REGB2 = REGB3;
4505     } else {
4506       /* ../lib/standard/kernel.nit:404 */
4507       goto label2;
4508     }
4509   }
4510   label2: while(0);
4511   /* ../lib/standard/string.nit:812 */
4512   fra.me.REG[3] = BOX_Float(0.0);
4513   /* ../lib/standard/kernel.nit:213 */
4514   REGB2 = TAG_Bool(UNBOX_Float(fra.me.REG[0])>UNBOX_Float(fra.me.REG[3]));
4515   /* ../lib/standard/string.nit:812 */
4516   if (UNTAG_Bool(REGB2)) {
4517     /* ../lib/standard/string.nit:813 */
4518     fra.me.REG[3] = BOX_Float(0.5);
4519     /* ../lib/standard/kernel.nit:214 */
4520     fra.me.REG[3] = BOX_Float(UNBOX_Float(fra.me.REG[2])+UNBOX_Float(fra.me.REG[3]));
4521     /* ../lib/standard/string.nit:813 */
4522     fra.me.REG[2] = fra.me.REG[3];
4523   } else {
4524     /* ../lib/standard/string.nit:815 */
4525     fra.me.REG[3] = BOX_Float(0.5);
4526     /* ../lib/standard/kernel.nit:216 */
4527     fra.me.REG[3] = BOX_Float(UNBOX_Float(fra.me.REG[2])-UNBOX_Float(fra.me.REG[3]));
4528     /* ../lib/standard/string.nit:815 */
4529     fra.me.REG[2] = fra.me.REG[3];
4530   }
4531   /* ../lib/standard/kernel.nit:220 */
4532   REGB2 = TAG_Int((bigint)UNBOX_Float(fra.me.REG[2]));
4533   /* ../lib/standard/string.nit:818 */
4534   REGB1 = TAG_Int(0);
4535   REGB3 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB1));
4536   if (UNTAG_Bool(REGB3)) {
4537   } else {
4538     /* ../lib/standard/kernel.nit:237 */
4539     REGB1 = TAG_Bool((REGB2)==(REGB1));
4540     /* ../lib/standard/string.nit:818 */
4541     REGB3 = REGB1;
4542   }
4543   if (UNTAG_Bool(REGB3)) {
4544     if (!once_value_3) {
4545       fra.me.REG[2] = BOX_NativeString("0.0");
4546       REGB3 = TAG_Int(3);
4547       fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB3);
4548       once_value_3 = fra.me.REG[2];
4549       register_static_object(&once_value_3);
4550     } else fra.me.REG[2] = once_value_3;
4551     fra.me.REG[2] = fra.me.REG[2];
4552     fra.me.REG[1] = fra.me.REG[2];
4553     goto label1;
4554   }
4555   /* ../lib/standard/string.nit:819 */
4556   fra.me.REG[2] = CALL_standard___string___Object___to_s(REGB2)(REGB2);
4557   /* ../lib/standard/collection/array.nit:24 */
4558   REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
4559   if (UNTAG_Bool(REGB2)) {
4560   } else {
4561     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
4562   }
4563   REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
4564   REGB3 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
4565   if (UNTAG_Bool(REGB3)) {
4566   } else {
4567     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4568   }
4569   /* ../lib/standard/kernel.nit:244 */
4570   REGB3 = TAG_Bool(UNTAG_Int(REGB2)>UNTAG_Int(REGB0));
4571   /* ../lib/standard/string.nit:821 */
4572   if (UNTAG_Bool(REGB3)) {
4573     /* ../lib/standard/string.nit:822 */
4574     REGB3 = TAG_Int(0);
4575     /* ../lib/standard/collection/array.nit:24 */
4576     REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
4577     if (UNTAG_Bool(REGB1)) {
4578     } else {
4579       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
4580     }
4581     REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
4582     /* ../lib/standard/kernel.nit:247 */
4583     REGB1 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
4584     /* ../lib/standard/string.nit:822 */
4585     fra.me.REG[3] = CALL_standard___string___AbstractString___substring(fra.me.REG[2])(fra.me.REG[2], REGB3, REGB1);
4586     /* ../lib/standard/collection/array.nit:24 */
4587     REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
4588     if (UNTAG_Bool(REGB1)) {
4589     } else {
4590       nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
4591     }
4592     REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
4593     /* ../lib/standard/kernel.nit:247 */
4594     REGB1 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
4595     /* ../lib/standard/string.nit:823 */
4596     fra.me.REG[0] = CALL_standard___string___AbstractString___substring(fra.me.REG[2])(fra.me.REG[2], REGB1, REGB0);
4597     /* ../lib/standard/string.nit:824 */
4598     if (!once_value_4) {
4599       fra.me.REG[4] = BOX_NativeString(".");
4600       REGB1 = TAG_Int(1);
4601       fra.me.REG[4] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[4])(fra.me.REG[4], REGB1);
4602       once_value_4 = fra.me.REG[4];
4603       register_static_object(&once_value_4);
4604     } else fra.me.REG[4] = once_value_4;
4605     fra.me.REG[4] = fra.me.REG[4];
4606     fra.me.REG[4] = CALL_standard___string___String_____plus(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
4607     fra.me.REG[0] = CALL_standard___string___String_____plus(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0]);
4608     fra.me.REG[1] = fra.me.REG[0];
4609     goto label1;
4610   } else {
4611     /* ../lib/standard/string.nit:826 */
4612     if (!once_value_5) {
4613       fra.me.REG[0] = BOX_NativeString("0.");
4614       REGB1 = TAG_Int(2);
4615       fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB1);
4616       once_value_5 = fra.me.REG[0];
4617       register_static_object(&once_value_5);
4618     } else fra.me.REG[0] = once_value_5;
4619     fra.me.REG[0] = fra.me.REG[0];
4620     if (!once_value_6) {
4621       fra.me.REG[4] = BOX_NativeString("0");
4622       REGB1 = TAG_Int(1);
4623       fra.me.REG[4] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[4])(fra.me.REG[4], REGB1);
4624       once_value_6 = fra.me.REG[4];
4625       register_static_object(&once_value_6);
4626     } else fra.me.REG[4] = once_value_6;
4627     fra.me.REG[4] = fra.me.REG[4];
4628     /* ../lib/standard/kernel.nit:247 */
4629     REGB2 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB2));
4630     /* ../lib/standard/string.nit:826 */
4631     fra.me.REG[4] = CALL_standard___string___String_____star(fra.me.REG[4])(fra.me.REG[4], REGB2);
4632     fra.me.REG[4] = CALL_standard___string___String_____plus(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[4]);
4633     fra.me.REG[2] = CALL_standard___string___String_____plus(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
4634     fra.me.REG[1] = fra.me.REG[2];
4635     goto label1;
4636   }
4637   label1: while(0);
4638   stack_frame_head = fra.me.prev;
4639   return fra.me.REG[1];
4640 }
4641 static const char LOCATE_standard___string___Float___to_precision_native[] = "string::Float::to_precision_native";
4642 val_t standard___string___Float___to_precision_native(val_t p0, val_t p1){
4643   struct {struct stack_frame_t me;} fra;
4644   val_t REGB0;
4645   val_t tmp;
4646   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4647   fra.me.file = LOCATE_standard___string;
4648   fra.me.line = 830;
4649   fra.me.meth = LOCATE_standard___string___Float___to_precision_native;
4650   fra.me.has_broke = 0;
4651   fra.me.REG_size = 1;
4652   fra.me.nitni_local_ref_head = NULL;
4653   fra.me.REG[0] = NIT_NULL;
4654   fra.me.REG[0] = p0;
4655   REGB0 = p1;
4656   /* ../lib/standard/string.nit:830 */
4657   fra.me.REG[0] = Float_to_precision_native___out(fra.me.REG[0], REGB0);
4658   ;
4659   stack_frame_head = fra.me.prev;
4660   return fra.me.REG[0];
4661 }
4662 static const char LOCATE_standard___string___Char___to_s[] = "string::Char::(string::Object::to_s)";
4663 val_t standard___string___Char___to_s(val_t p0){
4664   struct {struct stack_frame_t me;} fra;
4665   val_t REGB0;
4666   val_t REGB1;
4667   val_t tmp;
4668   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4669   fra.me.file = LOCATE_standard___string;
4670   fra.me.line = 843;
4671   fra.me.meth = LOCATE_standard___string___Char___to_s;
4672   fra.me.has_broke = 0;
4673   fra.me.REG_size = 1;
4674   fra.me.nitni_local_ref_head = NULL;
4675   fra.me.REG[0] = NIT_NULL;
4676   REGB0 = p0;
4677   /* ../lib/standard/string.nit:846 */
4678   REGB1 = TAG_Int(1);
4679   fra.me.REG[0] = NEW_Buffer_standard___string___Buffer___with_capacity(REGB1);
4680   /* ../lib/standard/string.nit:847 */
4681   REGB1 = TAG_Int(0);
4682   CALL_standard___collection___abstract_collection___Sequence_____braeq(fra.me.REG[0])(fra.me.REG[0], REGB1, REGB0);
4683   /* ../lib/standard/string.nit:848 */
4684   fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
4685   goto label1;
4686   label1: while(0);
4687   stack_frame_head = fra.me.prev;
4688   return fra.me.REG[0];
4689 }
4690 static const char LOCATE_standard___string___Char___is_numeric[] = "string::Char::is_numeric";
4691 val_t standard___string___Char___is_numeric(val_t p0){
4692   struct {struct stack_frame_t me;} fra;
4693   val_t REGB0;
4694   val_t REGB1;
4695   val_t REGB2;
4696   val_t tmp;
4697   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4698   fra.me.file = LOCATE_standard___string;
4699   fra.me.line = 851;
4700   fra.me.meth = LOCATE_standard___string___Char___is_numeric;
4701   fra.me.has_broke = 0;
4702   fra.me.REG_size = 0;
4703   fra.me.nitni_local_ref_head = NULL;
4704   REGB0 = p0;
4705   /* ../lib/standard/string.nit:854 */
4706   REGB1 = TAG_Char('0');
4707   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
4708   if (UNTAG_Bool(REGB2)) {
4709   } else {
4710     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4711   }
4712   /* ../lib/standard/kernel.nit:440 */
4713   REGB1 = TAG_Bool(UNTAG_Char(REGB0)>=UNTAG_Char(REGB1));
4714   /* ../lib/standard/string.nit:854 */
4715   if (UNTAG_Bool(REGB1)) {
4716     REGB1 = TAG_Char('9');
4717     REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
4718     if (UNTAG_Bool(REGB2)) {
4719     } else {
4720       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4721     }
4722     /* ../lib/standard/kernel.nit:438 */
4723     REGB1 = TAG_Bool(UNTAG_Char(REGB0)<=UNTAG_Char(REGB1));
4724   } else {
4725     /* ../lib/standard/string.nit:854 */
4726     REGB0 = TAG_Bool(0);
4727     REGB1 = REGB0;
4728   }
4729   if (UNTAG_Bool(REGB1)) {
4730     /* ../lib/standard/string.nit:856 */
4731     REGB1 = TAG_Bool(1);
4732     goto label1;
4733   }
4734   /* ../lib/standard/string.nit:858 */
4735   REGB0 = TAG_Bool(0);
4736   REGB1 = REGB0;
4737   goto label1;
4738   label1: while(0);
4739   stack_frame_head = fra.me.prev;
4740   return REGB1;
4741 }
4742 static const char LOCATE_standard___string___Char___is_alpha[] = "string::Char::is_alpha";
4743 val_t standard___string___Char___is_alpha(val_t p0){
4744   struct {struct stack_frame_t me;} fra;
4745   val_t REGB0;
4746   val_t REGB1;
4747   val_t REGB2;
4748   val_t REGB3;
4749   val_t tmp;
4750   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4751   fra.me.file = LOCATE_standard___string;
4752   fra.me.line = 861;
4753   fra.me.meth = LOCATE_standard___string___Char___is_alpha;
4754   fra.me.has_broke = 0;
4755   fra.me.REG_size = 0;
4756   fra.me.nitni_local_ref_head = NULL;
4757   REGB0 = p0;
4758   /* ../lib/standard/string.nit:864 */
4759   REGB1 = TAG_Char('a');
4760   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
4761   if (UNTAG_Bool(REGB2)) {
4762   } else {
4763     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4764   }
4765   /* ../lib/standard/kernel.nit:440 */
4766   REGB1 = TAG_Bool(UNTAG_Char(REGB0)>=UNTAG_Char(REGB1));
4767   /* ../lib/standard/string.nit:864 */
4768   if (UNTAG_Bool(REGB1)) {
4769     REGB1 = TAG_Char('z');
4770     REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
4771     if (UNTAG_Bool(REGB2)) {
4772     } else {
4773       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4774     }
4775     /* ../lib/standard/kernel.nit:438 */
4776     REGB1 = TAG_Bool(UNTAG_Char(REGB0)<=UNTAG_Char(REGB1));
4777   } else {
4778     /* ../lib/standard/string.nit:864 */
4779     REGB2 = TAG_Bool(0);
4780     REGB1 = REGB2;
4781   }
4782   if (UNTAG_Bool(REGB1)) {
4783     REGB1 = TAG_Bool(1);
4784   } else {
4785     REGB2 = TAG_Char('A');
4786     REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
4787     if (UNTAG_Bool(REGB3)) {
4788     } else {
4789       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4790     }
4791     /* ../lib/standard/kernel.nit:440 */
4792     REGB2 = TAG_Bool(UNTAG_Char(REGB0)>=UNTAG_Char(REGB2));
4793     /* ../lib/standard/string.nit:864 */
4794     if (UNTAG_Bool(REGB2)) {
4795       REGB2 = TAG_Char('Z');
4796       REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
4797       if (UNTAG_Bool(REGB3)) {
4798       } else {
4799         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
4800       }
4801       /* ../lib/standard/kernel.nit:438 */
4802       REGB2 = TAG_Bool(UNTAG_Char(REGB0)<=UNTAG_Char(REGB2));
4803     } else {
4804       /* ../lib/standard/string.nit:864 */
4805       REGB0 = TAG_Bool(0);
4806       REGB2 = REGB0;
4807     }
4808     REGB1 = REGB2;
4809   }
4810   if (UNTAG_Bool(REGB1)) {
4811     REGB1 = TAG_Bool(1);
4812     goto label1;
4813   }
4814   /* ../lib/standard/string.nit:865 */
4815   REGB2 = TAG_Bool(0);
4816   REGB1 = REGB2;
4817   goto label1;
4818   label1: while(0);
4819   stack_frame_head = fra.me.prev;
4820   return REGB1;
4821 }
4822 static const char LOCATE_standard___string___Char___is_alphanumeric[] = "string::Char::is_alphanumeric";
4823 val_t standard___string___Char___is_alphanumeric(val_t p0){
4824   struct {struct stack_frame_t me;} fra;
4825   val_t REGB0;
4826   val_t REGB1;
4827   val_t tmp;
4828   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4829   fra.me.file = LOCATE_standard___string;
4830   fra.me.line = 868;
4831   fra.me.meth = LOCATE_standard___string___Char___is_alphanumeric;
4832   fra.me.has_broke = 0;
4833   fra.me.REG_size = 0;
4834   fra.me.nitni_local_ref_head = NULL;
4835   REGB0 = p0;
4836   /* ../lib/standard/string.nit:871 */
4837   REGB1 = CALL_standard___string___Char___is_numeric(REGB0)(REGB0);
4838   if (UNTAG_Bool(REGB1)) {
4839     REGB1 = TAG_Bool(1);
4840   } else {
4841     REGB0 = CALL_standard___string___Char___is_alpha(REGB0)(REGB0);
4842     REGB1 = REGB0;
4843   }
4844   if (UNTAG_Bool(REGB1)) {
4845     REGB1 = TAG_Bool(1);
4846     goto label1;
4847   }
4848   /* ../lib/standard/string.nit:872 */
4849   REGB0 = TAG_Bool(0);
4850   REGB1 = REGB0;
4851   goto label1;
4852   label1: while(0);
4853   stack_frame_head = fra.me.prev;
4854   return REGB1;
4855 }
4856 static const char LOCATE_standard___string___Collection___to_s[] = "string::Collection::(string::Object::to_s)";
4857 val_t standard___string___Collection___to_s(val_t p0){
4858   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
4859   val_t tmp;
4860   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4861   fra.me.file = LOCATE_standard___string;
4862   fra.me.line = 877;
4863   fra.me.meth = LOCATE_standard___string___Collection___to_s;
4864   fra.me.has_broke = 0;
4865   fra.me.REG_size = 2;
4866   fra.me.nitni_local_ref_head = NULL;
4867   fra.me.REG[0] = NIT_NULL;
4868   fra.me.REG[1] = NIT_NULL;
4869   fra.me.REG[0] = p0;
4870   /* ../lib/standard/string.nit:880 */
4871   fra.me.REG[1] = NEW_Buffer_standard___string___Buffer___init();
4872   CALL_standard___collection___abstract_collection___Collection___iterate(fra.me.REG[0])(fra.me.REG[0], (&(fra.me)), ((fun_t)OC_standard___string___Collection___to_s_1));
4873   /* ../lib/standard/string.nit:882 */
4874   fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
4875   goto label2;
4876   label2: while(0);
4877   stack_frame_head = fra.me.prev;
4878   return fra.me.REG[1];
4879 }
4880   void OC_standard___string___Collection___to_s_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
4881     struct {struct stack_frame_t me;} fra;
4882     val_t REGB0;
4883     val_t REGB1;
4884     fun_t CREG[1];
4885     val_t tmp;
4886     /* ../lib/standard/string.nit:881 */
4887     fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4888     fra.me.file = LOCATE_standard___string;
4889     fra.me.line = 0;
4890     fra.me.meth = LOCATE_standard___string___Collection___to_s;
4891     fra.me.has_broke = 0;
4892     fra.me.REG_size = 1;
4893     fra.me.nitni_local_ref_head = NULL;
4894     fra.me.REG[0] = NIT_NULL;
4895     fra.me.closure_ctx = closctx_param;
4896     fra.me.closure_funs = CREG;
4897     fra.me.REG[0] = p0;
4898     CREG[0] = clos_fun0;
4899     REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
4900     if (UNTAG_Bool(REGB0)) {
4901     } else {
4902       REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
4903       if (UNTAG_Bool(REGB1)) {
4904         REGB1 = TAG_Bool(0);
4905         REGB0 = REGB1;
4906       } else {
4907         REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], NIT_NULL);
4908         REGB0 = REGB1;
4909       }
4910     }
4911     REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
4912     if (UNTAG_Bool(REGB0)) {
4913       REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
4914       if (UNTAG_Bool(REGB0)) {
4915         nit_abort("Reciever is null", NULL, LOCATE_standard___string, 881);
4916       }
4917       fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
4918       CALL_standard___collection___abstract_collection___Sequence___append(closctx->REG[1])(closctx->REG[1], fra.me.REG[0]);
4919     }
4920     stack_frame_head = fra.me.prev;
4921     return;
4922   }
4923 static const char LOCATE_standard___string___Collection___join[] = "string::Collection::join";
4924 val_t standard___string___Collection___join(val_t p0, val_t p1){
4925   struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
4926   val_t REGB0;
4927   val_t REGB1;
4928   val_t tmp;
4929     static val_t once_value_1; /* Once value */
4930   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
4931   fra.me.file = LOCATE_standard___string;
4932   fra.me.line = 885;
4933   fra.me.meth = LOCATE_standard___string___Collection___join;
4934   fra.me.has_broke = 0;
4935   fra.me.REG_size = 6;
4936   fra.me.nitni_local_ref_head = NULL;
4937   fra.me.REG[0] = NIT_NULL;
4938   fra.me.REG[1] = NIT_NULL;
4939   fra.me.REG[2] = NIT_NULL;
4940   fra.me.REG[3] = NIT_NULL;
4941   fra.me.REG[4] = NIT_NULL;
4942   fra.me.REG[5] = NIT_NULL;
4943   fra.me.REG[0] = p0;
4944   fra.me.REG[1] = p1;
4945   /* ../lib/standard/string.nit:891 */
4946   REGB0 = CALL_standard___collection___abstract_collection___Collection___is_empty(fra.me.REG[0])(fra.me.REG[0]);
4947   if (UNTAG_Bool(REGB0)) {
4948     if (!once_value_1) {
4949       fra.me.REG[2] = BOX_NativeString("");
4950       REGB0 = TAG_Int(0);
4951       fra.me.REG[2] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[2])(fra.me.REG[2], REGB0);
4952       once_value_1 = fra.me.REG[2];
4953       register_static_object(&once_value_1);
4954     } else fra.me.REG[2] = once_value_1;
4955     fra.me.REG[2] = fra.me.REG[2];
4956     goto label2;
4957   }
4958   /* ../lib/standard/string.nit:893 */
4959   fra.me.REG[3] = NEW_Buffer_standard___string___Buffer___init();
4960   /* ../lib/standard/string.nit:896 */
4961   fra.me.REG[0] = CALL_standard___collection___abstract_collection___Collection___iterator(fra.me.REG[0])(fra.me.REG[0]);
4962   /* ../lib/standard/string.nit:897 */
4963   fra.me.REG[4] = CALL_standard___collection___abstract_collection___Iterator___item(fra.me.REG[0])(fra.me.REG[0]);
4964   /* ../lib/standard/string.nit:898 */
4965   REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
4966   if (UNTAG_Bool(REGB0)) {
4967   } else {
4968     REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
4969     if (UNTAG_Bool(REGB1)) {
4970       REGB1 = TAG_Bool(0);
4971       REGB0 = REGB1;
4972     } else {
4973       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
4974       REGB0 = REGB1;
4975     }
4976   }
4977   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
4978   if (UNTAG_Bool(REGB0)) {
4979     REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
4980     if (UNTAG_Bool(REGB0)) {
4981       nit_abort("Reciever is null", NULL, LOCATE_standard___string, 898);
4982     }
4983     fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
4984     CALL_standard___collection___abstract_collection___Sequence___append(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
4985   }
4986   /* ../lib/standard/string.nit:901 */
4987   CALL_standard___collection___abstract_collection___Iterator___next(fra.me.REG[0])(fra.me.REG[0]);
4988   /* ../lib/standard/string.nit:902 */
4989   while(1) {
4990     REGB0 = CALL_standard___collection___abstract_collection___Iterator___is_ok(fra.me.REG[0])(fra.me.REG[0]);
4991     if (UNTAG_Bool(REGB0)) {
4992       /* ../lib/standard/string.nit:903 */
4993       CALL_standard___collection___abstract_collection___Sequence___append(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
4994       /* ../lib/standard/string.nit:904 */
4995       fra.me.REG[5] = CALL_standard___collection___abstract_collection___Iterator___item(fra.me.REG[0])(fra.me.REG[0]);
4996       fra.me.REG[4] = fra.me.REG[5];
4997       /* ../lib/standard/string.nit:905 */
4998       REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
4999       if (UNTAG_Bool(REGB0)) {
5000       } else {
5001         REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
5002         if (UNTAG_Bool(REGB1)) {
5003           REGB1 = TAG_Bool(0);
5004           REGB0 = REGB1;
5005         } else {
5006           REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
5007           REGB0 = REGB1;
5008         }
5009       }
5010       REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
5011       if (UNTAG_Bool(REGB0)) {
5012         REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
5013         if (UNTAG_Bool(REGB0)) {
5014           nit_abort("Reciever is null", NULL, LOCATE_standard___string, 905);
5015         }
5016         fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
5017         CALL_standard___collection___abstract_collection___Sequence___append(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
5018       }
5019       /* ../lib/standard/string.nit:906 */
5020       CALL_standard___collection___abstract_collection___Iterator___next(fra.me.REG[0])(fra.me.REG[0]);
5021     } else {
5022       /* ../lib/standard/string.nit:902 */
5023       goto label3;
5024     }
5025   }
5026   label3: while(0);
5027   /* ../lib/standard/string.nit:908 */
5028   fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
5029   fra.me.REG[2] = fra.me.REG[3];
5030   goto label2;
5031   label2: while(0);
5032   stack_frame_head = fra.me.prev;
5033   return fra.me.REG[2];
5034 }
5035 static const char LOCATE_standard___string___Array___to_s[] = "string::Array::(string::Object::to_s)";
5036 val_t standard___string___Array___to_s(val_t p0){
5037   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
5038   val_t REGB0;
5039   val_t REGB1;
5040   val_t REGB2;
5041   val_t REGB3;
5042   val_t REGB4;
5043   val_t tmp;
5044   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5045   fra.me.file = LOCATE_standard___string;
5046   fra.me.line = 913;
5047   fra.me.meth = LOCATE_standard___string___Array___to_s;
5048   fra.me.has_broke = 0;
5049   fra.me.REG_size = 3;
5050   fra.me.nitni_local_ref_head = NULL;
5051   fra.me.REG[0] = NIT_NULL;
5052   fra.me.REG[1] = NIT_NULL;
5053   fra.me.REG[2] = NIT_NULL;
5054   fra.me.REG[0] = p0;
5055   /* ../lib/standard/string.nit:916 */
5056   fra.me.REG[1] = NEW_Buffer_standard___string___Buffer___init();
5057   /* ../lib/standard/string.nit:917 */
5058   REGB0 = TAG_Int(0);
5059   /* ../lib/standard/collection/array.nit:24 */
5060   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
5061   if (UNTAG_Bool(REGB1)) {
5062   } else {
5063     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
5064   }
5065   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
5066   /* ../lib/standard/string.nit:919 */
5067   while(1) {
5068     REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
5069     if (UNTAG_Bool(REGB2)) {
5070     } else {
5071       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
5072     }
5073     /* ../lib/standard/kernel.nit:242 */
5074     REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
5075     /* ../lib/standard/string.nit:919 */
5076     if (UNTAG_Bool(REGB2)) {
5077       /* ../lib/standard/collection/array.nit:279 */
5078       fra.me.REG[2] = fra.me.REG[0];
5079       REGB2 = REGB0;
5080       /* ../lib/standard/collection/array.nit:281 */
5081       REGB3 = TAG_Int(0);
5082       REGB4 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
5083       if (UNTAG_Bool(REGB4)) {
5084       } else {
5085         nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
5086       }
5087       /* ../lib/standard/kernel.nit:243 */
5088       REGB3 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB3));
5089       /* ../lib/standard/collection/array.nit:281 */
5090       if (UNTAG_Bool(REGB3)) {
5091         REGB3 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
5092         if (UNTAG_Bool(REGB3)) {
5093         } else {
5094           nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 281);
5095         }
5096         REGB3 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
5097         REGB4 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
5098         if (UNTAG_Bool(REGB4)) {
5099         } else {
5100           nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
5101         }
5102         /* ../lib/standard/kernel.nit:242 */
5103         REGB3 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB3));
5104       } else {
5105         /* ../lib/standard/collection/array.nit:281 */
5106         REGB4 = TAG_Bool(0);
5107         REGB3 = REGB4;
5108       }
5109       if (UNTAG_Bool(REGB3)) {
5110       } else {
5111         nit_abort("Assert '%s' failed", "index", LOCATE_standard___collection___array, 281);
5112       }
5113       /* ../lib/standard/collection/array.nit:282 */
5114       fra.me.REG[2] = ATTR_standard___collection___array___Array____items(fra.me.REG[2]);
5115       REGB3 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
5116       if (UNTAG_Bool(REGB3)) {
5117         nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 282);
5118       }
5119       /* ../lib/standard/collection/array.nit:725 */
5120       fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB2)];
5121       /* ../lib/standard/collection/array.nit:282 */
5122       goto label1;
5123       label1: while(0);
5124       /* ../lib/standard/string.nit:921 */
5125       REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
5126       if (UNTAG_Bool(REGB2)) {
5127       } else {
5128         REGB3 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
5129         if (UNTAG_Bool(REGB3)) {
5130           REGB3 = TAG_Bool(0);
5131           REGB2 = REGB3;
5132         } else {
5133           REGB3 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
5134           REGB2 = REGB3;
5135         }
5136       }
5137       REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
5138       if (UNTAG_Bool(REGB2)) {
5139         REGB2 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
5140         if (UNTAG_Bool(REGB2)) {
5141           nit_abort("Reciever is null", NULL, LOCATE_standard___string, 921);
5142         }
5143         fra.me.REG[2] = CALL_standard___string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
5144         CALL_standard___collection___abstract_collection___Sequence___append(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
5145       }
5146       /* ../lib/standard/string.nit:922 */
5147       REGB2 = TAG_Int(1);
5148       /* ../lib/standard/kernel.nit:245 */
5149       REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
5150       /* ../lib/standard/string.nit:922 */
5151       REGB0 = REGB2;
5152     } else {
5153       /* ../lib/standard/string.nit:919 */
5154       goto label2;
5155     }
5156   }
5157   label2: while(0);
5158   /* ../lib/standard/string.nit:924 */
5159   fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
5160   goto label3;
5161   label3: while(0);
5162   stack_frame_head = fra.me.prev;
5163   return fra.me.REG[1];
5164 }
5165 static const char LOCATE_standard___string___Map___join[] = "string::Map::join";
5166 val_t standard___string___Map___join(val_t p0, val_t p1, val_t p2){
5167   struct {struct stack_frame_t me; val_t MORE_REG[8];} fra;
5168   val_t REGB0;
5169   val_t REGB1;
5170   val_t tmp;
5171     static val_t once_value_1; /* Once value */
5172     static val_t once_value_3; /* Once value */
5173     static val_t once_value_4; /* Once value */
5174     static val_t once_value_5; /* Once value */
5175     static val_t once_value_6; /* Once value */
5176         static val_t once_value_7; /* Once value */
5177         static val_t once_value_8; /* Once value */
5178         static val_t once_value_9; /* Once value */
5179         static val_t once_value_10; /* Once value */
5180   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5181   fra.me.file = LOCATE_standard___string;
5182   fra.me.line = 929;
5183   fra.me.meth = LOCATE_standard___string___Map___join;
5184   fra.me.has_broke = 0;
5185   fra.me.REG_size = 9;
5186   fra.me.nitni_local_ref_head = NULL;
5187   fra.me.REG[0] = NIT_NULL;
5188   fra.me.REG[1] = NIT_NULL;
5189   fra.me.REG[2] = NIT_NULL;
5190   fra.me.REG[3] = NIT_NULL;
5191   fra.me.REG[4] = NIT_NULL;
5192   fra.me.REG[5] = NIT_NULL;
5193   fra.me.REG[6] = NIT_NULL;
5194   fra.me.REG[7] = NIT_NULL;
5195   fra.me.REG[8] = NIT_NULL;
5196   fra.me.REG[0] = p0;
5197   fra.me.REG[1] = p1;
5198   fra.me.REG[2] = p2;
5199   /* ../lib/standard/string.nit:939 */
5200   REGB0 = CALL_standard___collection___abstract_collection___MapRead___is_empty(fra.me.REG[0])(fra.me.REG[0]);
5201   if (UNTAG_Bool(REGB0)) {
5202     if (!once_value_1) {
5203       fra.me.REG[3] = BOX_NativeString("");
5204       REGB0 = TAG_Int(0);
5205       fra.me.REG[3] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[3])(fra.me.REG[3], REGB0);
5206       once_value_1 = fra.me.REG[3];
5207       register_static_object(&once_value_1);
5208     } else fra.me.REG[3] = once_value_1;
5209     fra.me.REG[3] = fra.me.REG[3];
5210     goto label2;
5211   }
5212   /* ../lib/standard/string.nit:941 */
5213   fra.me.REG[4] = NEW_Buffer_standard___string___Buffer___init();
5214   /* ../lib/standard/string.nit:944 */
5215   fra.me.REG[0] = CALL_standard___collection___abstract_collection___MapRead___iterator(fra.me.REG[0])(fra.me.REG[0]);
5216   /* ../lib/standard/string.nit:945 */
5217   fra.me.REG[5] = CALL_standard___collection___abstract_collection___MapIterator___key(fra.me.REG[0])(fra.me.REG[0]);
5218   /* ../lib/standard/string.nit:946 */
5219   fra.me.REG[6] = CALL_standard___collection___abstract_collection___MapIterator___item(fra.me.REG[0])(fra.me.REG[0]);
5220   /* ../lib/standard/string.nit:947 */
5221   REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
5222   if (UNTAG_Bool(REGB0)) {
5223   } else {
5224     REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
5225     if (UNTAG_Bool(REGB1)) {
5226       REGB1 = TAG_Bool(0);
5227       REGB0 = REGB1;
5228     } else {
5229       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
5230       REGB0 = REGB1;
5231     }
5232   }
5233   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
5234   if (UNTAG_Bool(REGB0)) {
5235     REGB0 = TAG_Int(7);
5236     fra.me.REG[7] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
5237     if (!once_value_3) {
5238       fra.me.REG[8] = BOX_NativeString("");
5239       REGB0 = TAG_Int(0);
5240       fra.me.REG[8] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[8])(fra.me.REG[8], REGB0);
5241       once_value_3 = fra.me.REG[8];
5242       register_static_object(&once_value_3);
5243     } else fra.me.REG[8] = once_value_3;
5244     fra.me.REG[8] = fra.me.REG[8];
5245     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5246     fra.me.REG[8] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
5247     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5248     if (!once_value_4) {
5249       fra.me.REG[8] = BOX_NativeString("");
5250       REGB0 = TAG_Int(0);
5251       fra.me.REG[8] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[8])(fra.me.REG[8], REGB0);
5252       once_value_4 = fra.me.REG[8];
5253       register_static_object(&once_value_4);
5254     } else fra.me.REG[8] = once_value_4;
5255     fra.me.REG[8] = fra.me.REG[8];
5256     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5257     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[2]);
5258     if (!once_value_5) {
5259       fra.me.REG[8] = BOX_NativeString("");
5260       REGB0 = TAG_Int(0);
5261       fra.me.REG[8] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[8])(fra.me.REG[8], REGB0);
5262       once_value_5 = fra.me.REG[8];
5263       register_static_object(&once_value_5);
5264     } else fra.me.REG[8] = once_value_5;
5265     fra.me.REG[8] = fra.me.REG[8];
5266     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5267     fra.me.REG[8] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
5268     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5269     if (!once_value_6) {
5270       fra.me.REG[8] = BOX_NativeString("");
5271       REGB0 = TAG_Int(0);
5272       fra.me.REG[8] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[8])(fra.me.REG[8], REGB0);
5273       once_value_6 = fra.me.REG[8];
5274       register_static_object(&once_value_6);
5275     } else fra.me.REG[8] = once_value_6;
5276     fra.me.REG[8] = fra.me.REG[8];
5277     CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5278     fra.me.REG[7] = CALL_standard___string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
5279     CALL_standard___collection___abstract_collection___Sequence___append(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[7]);
5280   }
5281   /* ../lib/standard/string.nit:950 */
5282   CALL_standard___collection___abstract_collection___MapIterator___next(fra.me.REG[0])(fra.me.REG[0]);
5283   /* ../lib/standard/string.nit:951 */
5284   while(1) {
5285     REGB0 = CALL_standard___collection___abstract_collection___MapIterator___is_ok(fra.me.REG[0])(fra.me.REG[0]);
5286     if (UNTAG_Bool(REGB0)) {
5287       /* ../lib/standard/string.nit:952 */
5288       CALL_standard___collection___abstract_collection___Sequence___append(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[1]);
5289       /* ../lib/standard/string.nit:953 */
5290       fra.me.REG[7] = CALL_standard___collection___abstract_collection___MapIterator___key(fra.me.REG[0])(fra.me.REG[0]);
5291       fra.me.REG[5] = fra.me.REG[7];
5292       /* ../lib/standard/string.nit:954 */
5293       fra.me.REG[7] = CALL_standard___collection___abstract_collection___MapIterator___item(fra.me.REG[0])(fra.me.REG[0]);
5294       fra.me.REG[6] = fra.me.REG[7];
5295       /* ../lib/standard/string.nit:955 */
5296       REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
5297       if (UNTAG_Bool(REGB0)) {
5298       } else {
5299         REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
5300         if (UNTAG_Bool(REGB1)) {
5301           REGB1 = TAG_Bool(0);
5302           REGB0 = REGB1;
5303         } else {
5304           REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
5305           REGB0 = REGB1;
5306         }
5307       }
5308       REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
5309       if (UNTAG_Bool(REGB0)) {
5310         REGB0 = TAG_Int(7);
5311         fra.me.REG[7] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
5312         if (!once_value_7) {
5313           fra.me.REG[8] = BOX_NativeString("");
5314           REGB0 = TAG_Int(0);
5315           fra.me.REG[8] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[8])(fra.me.REG[8], REGB0);
5316           once_value_7 = fra.me.REG[8];
5317           register_static_object(&once_value_7);
5318         } else fra.me.REG[8] = once_value_7;
5319         fra.me.REG[8] = fra.me.REG[8];
5320         CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5321         fra.me.REG[8] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
5322         CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5323         if (!once_value_8) {
5324           fra.me.REG[8] = BOX_NativeString("");
5325           REGB0 = TAG_Int(0);
5326           fra.me.REG[8] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[8])(fra.me.REG[8], REGB0);
5327           once_value_8 = fra.me.REG[8];
5328           register_static_object(&once_value_8);
5329         } else fra.me.REG[8] = once_value_8;
5330         fra.me.REG[8] = fra.me.REG[8];
5331         CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5332         CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[2]);
5333         if (!once_value_9) {
5334           fra.me.REG[8] = BOX_NativeString("");
5335           REGB0 = TAG_Int(0);
5336           fra.me.REG[8] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[8])(fra.me.REG[8], REGB0);
5337           once_value_9 = fra.me.REG[8];
5338           register_static_object(&once_value_9);
5339         } else fra.me.REG[8] = once_value_9;
5340         fra.me.REG[8] = fra.me.REG[8];
5341         CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5342         fra.me.REG[8] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
5343         CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5344         if (!once_value_10) {
5345           fra.me.REG[8] = BOX_NativeString("");
5346           REGB0 = TAG_Int(0);
5347           fra.me.REG[8] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[8])(fra.me.REG[8], REGB0);
5348           once_value_10 = fra.me.REG[8];
5349           register_static_object(&once_value_10);
5350         } else fra.me.REG[8] = once_value_10;
5351         fra.me.REG[8] = fra.me.REG[8];
5352         CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
5353         fra.me.REG[7] = CALL_standard___string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
5354         CALL_standard___collection___abstract_collection___Sequence___append(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[7]);
5355       }
5356       /* ../lib/standard/string.nit:956 */
5357       CALL_standard___collection___abstract_collection___MapIterator___next(fra.me.REG[0])(fra.me.REG[0]);
5358     } else {
5359       /* ../lib/standard/string.nit:951 */
5360       goto label11;
5361     }
5362   }
5363   label11: while(0);
5364   /* ../lib/standard/string.nit:958 */
5365   fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
5366   fra.me.REG[3] = fra.me.REG[4];
5367   goto label2;
5368   label2: while(0);
5369   stack_frame_head = fra.me.prev;
5370   return fra.me.REG[3];
5371 }
5372 static const char LOCATE_standard___string___NativeString_____bra[] = "string::NativeString::[]";
5373 val_t standard___string___NativeString_____bra(val_t p0, val_t p1){
5374   struct {struct stack_frame_t me;} fra;
5375   val_t REGB0;
5376   val_t tmp;
5377   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5378   fra.me.file = LOCATE_standard___string;
5379   fra.me.line = 970;
5380   fra.me.meth = LOCATE_standard___string___NativeString_____bra;
5381   fra.me.has_broke = 0;
5382   fra.me.REG_size = 1;
5383   fra.me.nitni_local_ref_head = NULL;
5384   fra.me.REG[0] = NIT_NULL;
5385   fra.me.REG[0] = p0;
5386   REGB0 = p1;
5387   /* ../lib/standard/string.nit:970 */
5388   REGB0 = TAG_Char(UNBOX_NativeString(fra.me.REG[0])[UNTAG_Int(REGB0)]);
5389   stack_frame_head = fra.me.prev;
5390   return REGB0;
5391 }
5392 static const char LOCATE_standard___string___NativeString_____braeq[] = "string::NativeString::[]=";
5393 void standard___string___NativeString_____braeq(val_t p0, val_t p1, val_t p2){
5394   struct {struct stack_frame_t me;} fra;
5395   val_t REGB0;
5396   val_t REGB1;
5397   val_t tmp;
5398   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5399   fra.me.file = LOCATE_standard___string;
5400   fra.me.line = 971;
5401   fra.me.meth = LOCATE_standard___string___NativeString_____braeq;
5402   fra.me.has_broke = 0;
5403   fra.me.REG_size = 1;
5404   fra.me.nitni_local_ref_head = NULL;
5405   fra.me.REG[0] = NIT_NULL;
5406   fra.me.REG[0] = p0;
5407   REGB0 = p1;
5408   REGB1 = p2;
5409   /* ../lib/standard/string.nit:971 */
5410   UNBOX_NativeString(fra.me.REG[0])[UNTAG_Int(REGB0)]=UNTAG_Char(REGB1);;
5411   stack_frame_head = fra.me.prev;
5412   return;
5413 }
5414 static const char LOCATE_standard___string___NativeString___copy_to[] = "string::NativeString::copy_to";
5415 void standard___string___NativeString___copy_to(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4){
5416   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
5417   val_t REGB0;
5418   val_t REGB1;
5419   val_t REGB2;
5420   val_t tmp;
5421   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5422   fra.me.file = LOCATE_standard___string;
5423   fra.me.line = 972;
5424   fra.me.meth = LOCATE_standard___string___NativeString___copy_to;
5425   fra.me.has_broke = 0;
5426   fra.me.REG_size = 2;
5427   fra.me.nitni_local_ref_head = NULL;
5428   fra.me.REG[0] = NIT_NULL;
5429   fra.me.REG[1] = NIT_NULL;
5430   fra.me.REG[0] = p0;
5431   fra.me.REG[1] = p1;
5432   REGB0 = p2;
5433   REGB1 = p3;
5434   REGB2 = p4;
5435   /* ../lib/standard/string.nit:972 */
5436   (void)memcpy(UNBOX_NativeString(fra.me.REG[1])+UNTAG_Int(REGB2), UNBOX_NativeString(fra.me.REG[0])+UNTAG_Int(REGB1), UNTAG_Int(REGB0));;
5437   stack_frame_head = fra.me.prev;
5438   return;
5439 }
5440 static const char LOCATE_standard___string___NativeString___cstring_length[] = "string::NativeString::cstring_length";
5441 val_t standard___string___NativeString___cstring_length(val_t p0){
5442   struct {struct stack_frame_t me;} fra;
5443   val_t REGB0;
5444   val_t REGB1;
5445   val_t REGB2;
5446   val_t REGB3;
5447   val_t tmp;
5448   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5449   fra.me.file = LOCATE_standard___string;
5450   fra.me.line = 974;
5451   fra.me.meth = LOCATE_standard___string___NativeString___cstring_length;
5452   fra.me.has_broke = 0;
5453   fra.me.REG_size = 1;
5454   fra.me.nitni_local_ref_head = NULL;
5455   fra.me.REG[0] = NIT_NULL;
5456   fra.me.REG[0] = p0;
5457   /* ../lib/standard/string.nit:977 */
5458   REGB0 = TAG_Int(0);
5459   /* ../lib/standard/string.nit:978 */
5460   while(1) {
5461     /* ../lib/standard/string.nit:970 */
5462     REGB1 = TAG_Char(UNBOX_NativeString(fra.me.REG[0])[UNTAG_Int(REGB0)]);
5463     /* ../lib/standard/string.nit:978 */
5464     REGB2 = TAG_Char('\0');
5465     REGB3 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
5466     if (UNTAG_Bool(REGB3)) {
5467     } else {
5468       /* ../lib/standard/kernel.nit:434 */
5469       REGB2 = TAG_Bool((REGB1)==(REGB2));
5470       /* ../lib/standard/string.nit:978 */
5471       REGB3 = REGB2;
5472     }
5473     REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
5474     if (UNTAG_Bool(REGB3)) {
5475       REGB3 = TAG_Int(1);
5476       /* ../lib/standard/kernel.nit:245 */
5477       REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB3));
5478       /* ../lib/standard/string.nit:978 */
5479       REGB0 = REGB3;
5480     } else {
5481       goto label1;
5482     }
5483   }
5484   label1: while(0);
5485   /* ../lib/standard/string.nit:979 */
5486   goto label2;
5487   label2: while(0);
5488   stack_frame_head = fra.me.prev;
5489   return REGB0;
5490 }
5491 static const char LOCATE_standard___string___NativeString___atoi[] = "string::NativeString::atoi";
5492 val_t standard___string___NativeString___atoi(val_t p0){
5493   struct {struct stack_frame_t me;} fra;
5494   val_t REGB0;
5495   val_t tmp;
5496   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5497   fra.me.file = LOCATE_standard___string;
5498   fra.me.line = 981;
5499   fra.me.meth = LOCATE_standard___string___NativeString___atoi;
5500   fra.me.has_broke = 0;
5501   fra.me.REG_size = 1;
5502   fra.me.nitni_local_ref_head = NULL;
5503   fra.me.REG[0] = NIT_NULL;
5504   fra.me.REG[0] = p0;
5505   /* ../lib/standard/string.nit:981 */
5506   REGB0 = TAG_Int(atoi(UNBOX_NativeString(fra.me.REG[0])));
5507   stack_frame_head = fra.me.prev;
5508   return REGB0;
5509 }
5510 static const char LOCATE_standard___string___NativeString___atof[] = "string::NativeString::atof";
5511 val_t standard___string___NativeString___atof(val_t p0){
5512   struct {struct stack_frame_t me;} fra;
5513   val_t tmp;
5514   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5515   fra.me.file = LOCATE_standard___string;
5516   fra.me.line = 982;
5517   fra.me.meth = LOCATE_standard___string___NativeString___atof;
5518   fra.me.has_broke = 0;
5519   fra.me.REG_size = 1;
5520   fra.me.nitni_local_ref_head = NULL;
5521   fra.me.REG[0] = NIT_NULL;
5522   fra.me.REG[0] = p0;
5523   /* ../lib/standard/string.nit:982 */
5524   fra.me.REG[0] = NativeString_atof___out(fra.me.REG[0]);
5525   stack_frame_head = fra.me.prev;
5526   return fra.me.REG[0];
5527 }
5528 static const char LOCATE_standard___string___NativeString___to_s[] = "string::NativeString::(string::Object::to_s)";
5529 val_t standard___string___NativeString___to_s(val_t p0){
5530   struct {struct stack_frame_t me;} fra;
5531   val_t REGB0;
5532   val_t tmp;
5533   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5534   fra.me.file = LOCATE_standard___string;
5535   fra.me.line = 984;
5536   fra.me.meth = LOCATE_standard___string___NativeString___to_s;
5537   fra.me.has_broke = 0;
5538   fra.me.REG_size = 1;
5539   fra.me.nitni_local_ref_head = NULL;
5540   fra.me.REG[0] = NIT_NULL;
5541   fra.me.REG[0] = p0;
5542   /* ../lib/standard/string.nit:986 */
5543   REGB0 = CALL_standard___string___NativeString___cstring_length(fra.me.REG[0])(fra.me.REG[0]);
5544   fra.me.REG[0] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[0])(fra.me.REG[0], REGB0);
5545   goto label1;
5546   label1: while(0);
5547   stack_frame_head = fra.me.prev;
5548   return fra.me.REG[0];
5549 }
5550 static const char LOCATE_standard___string___NativeString___to_s_with_length[] = "string::NativeString::to_s_with_length";
5551 val_t standard___string___NativeString___to_s_with_length(val_t p0, val_t p1){
5552   struct {struct stack_frame_t me;} fra;
5553   val_t REGB0;
5554   val_t REGB1;
5555   val_t REGB2;
5556   val_t tmp;
5557   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5558   fra.me.file = LOCATE_standard___string;
5559   fra.me.line = 989;
5560   fra.me.meth = LOCATE_standard___string___NativeString___to_s_with_length;
5561   fra.me.has_broke = 0;
5562   fra.me.REG_size = 1;
5563   fra.me.nitni_local_ref_head = NULL;
5564   fra.me.REG[0] = NIT_NULL;
5565   fra.me.REG[0] = p0;
5566   REGB0 = p1;
5567   /* ../lib/standard/string.nit:991 */
5568   REGB1 = TAG_Int(0);
5569   REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
5570   if (UNTAG_Bool(REGB2)) {
5571   } else {
5572     nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
5573   }
5574   /* ../lib/standard/kernel.nit:243 */
5575   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
5576   /* ../lib/standard/string.nit:991 */
5577   if (UNTAG_Bool(REGB1)) {
5578   } else {
5579     nit_abort("Assert failed", NULL, LOCATE_standard___string, 991);
5580   }
5581   /* ../lib/standard/string.nit:992 */
5582   REGB1 = TAG_Int(0);
5583   REGB2 = TAG_Int(1);
5584   /* ../lib/standard/kernel.nit:247 */
5585   REGB2 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB2));
5586   /* ../lib/standard/string.nit:992 */
5587   fra.me.REG[0] = NEW_String_standard___string___String___with_infos(fra.me.REG[0], REGB0, REGB1, REGB2);
5588   goto label1;
5589   label1: while(0);
5590   stack_frame_head = fra.me.prev;
5591   return fra.me.REG[0];
5592 }
5593 static const char LOCATE_standard___string___NativeString___to_s_with_copy[] = "string::NativeString::to_s_with_copy";
5594 val_t standard___string___NativeString___to_s_with_copy(val_t p0){
5595   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
5596   val_t REGB0;
5597   val_t REGB1;
5598   val_t REGB2;
5599   val_t tmp;
5600   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5601   fra.me.file = LOCATE_standard___string;
5602   fra.me.line = 995;
5603   fra.me.meth = LOCATE_standard___string___NativeString___to_s_with_copy;
5604   fra.me.has_broke = 0;
5605   fra.me.REG_size = 2;
5606   fra.me.nitni_local_ref_head = NULL;
5607   fra.me.REG[0] = NIT_NULL;
5608   fra.me.REG[1] = NIT_NULL;
5609   fra.me.REG[0] = p0;
5610   /* ../lib/standard/string.nit:997 */
5611   REGB0 = CALL_standard___string___NativeString___cstring_length(fra.me.REG[0])(fra.me.REG[0]);
5612   /* ../lib/standard/string.nit:998 */
5613   REGB1 = TAG_Int(1);
5614   /* ../lib/standard/kernel.nit:245 */
5615   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
5616   /* ../lib/standard/string.nit:1007 */
5617   fra.me.REG[1] = BOX_NativeString((char*)raw_alloc((UNTAG_Int(REGB1) * sizeof(char))));
5618   /* ../lib/standard/string.nit:999 */
5619   REGB1 = TAG_Int(0);
5620   REGB2 = TAG_Int(0);
5621   /* ../lib/standard/string.nit:972 */
5622   (void)memcpy(UNBOX_NativeString(fra.me.REG[1])+UNTAG_Int(REGB2), UNBOX_NativeString(fra.me.REG[0])+UNTAG_Int(REGB1), UNTAG_Int(REGB0));;
5623   /* ../lib/standard/string.nit:1000 */
5624   REGB2 = TAG_Int(0);
5625   REGB1 = TAG_Int(1);
5626   /* ../lib/standard/kernel.nit:247 */
5627   REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
5628   /* ../lib/standard/string.nit:1000 */
5629   fra.me.REG[1] = NEW_String_standard___string___String___with_infos(fra.me.REG[1], REGB0, REGB2, REGB1);
5630   goto label1;
5631   label1: while(0);
5632   stack_frame_head = fra.me.prev;
5633   return fra.me.REG[1];
5634 }
5635 static const char LOCATE_standard___string___NativeString___init[] = "string::NativeString::init";
5636 void standard___string___NativeString___init(val_t p0, int* init_table){
5637   int itpos5 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_standard___string___NativeString].i;
5638   struct {struct stack_frame_t me;} fra;
5639   val_t tmp;
5640   if (init_table[itpos5]) return;
5641   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5642   fra.me.file = LOCATE_standard___string;
5643   fra.me.line = 0;
5644   fra.me.meth = LOCATE_standard___string___NativeString___init;
5645   fra.me.has_broke = 0;
5646   fra.me.REG_size = 0;
5647   fra.me.nitni_local_ref_head = NULL;
5648   stack_frame_head = fra.me.prev;
5649   init_table[itpos5] = 1;
5650   return;
5651 }
5652 static const char LOCATE_standard___string___StringCapable___calloc_string[] = "string::StringCapable::calloc_string";
5653 val_t standard___string___StringCapable___calloc_string(val_t p0, val_t p1){
5654   struct {struct stack_frame_t me;} fra;
5655   val_t REGB0;
5656   val_t tmp;
5657   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5658   fra.me.file = LOCATE_standard___string;
5659   fra.me.line = 1007;
5660   fra.me.meth = LOCATE_standard___string___StringCapable___calloc_string;
5661   fra.me.has_broke = 0;
5662   fra.me.REG_size = 1;
5663   fra.me.nitni_local_ref_head = NULL;
5664   fra.me.REG[0] = NIT_NULL;
5665   fra.me.REG[0] = p0;
5666   REGB0 = p1;
5667   /* ../lib/standard/string.nit:1007 */
5668   fra.me.REG[0] = BOX_NativeString((char*)raw_alloc((UNTAG_Int(REGB0) * sizeof(char))));
5669   stack_frame_head = fra.me.prev;
5670   return fra.me.REG[0];
5671 }
5672 static const char LOCATE_standard___string___Sys___args[] = "string::Sys::(string::Object::args)";
5673 val_t standard___string___Sys___args(val_t p0){
5674   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
5675   val_t REGB0;
5676   val_t REGB1;
5677   val_t tmp;
5678   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5679   fra.me.file = LOCATE_standard___string;
5680   fra.me.line = 1013;
5681   fra.me.meth = LOCATE_standard___string___Sys___args;
5682   fra.me.has_broke = 0;
5683   fra.me.REG_size = 3;
5684   fra.me.nitni_local_ref_head = NULL;
5685   fra.me.REG[0] = NIT_NULL;
5686   fra.me.REG[1] = NIT_NULL;
5687   fra.me.REG[2] = NIT_NULL;
5688   fra.me.REG[0] = p0;
5689   /* ../lib/standard/string.nit:1013 */
5690   fra.me.REG[1] = fra.me.REG[0];
5691   /* ../lib/standard/string.nit:1015 */
5692   fra.me.REG[2] = ATTR_standard___string___Sys____args_cache(fra.me.REG[1]);
5693   REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
5694   if (UNTAG_Bool(REGB0)) {
5695   } else {
5696     REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
5697     if (UNTAG_Bool(REGB1)) {
5698       REGB1 = TAG_Bool(0);
5699       REGB0 = REGB1;
5700     } else {
5701       REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
5702       REGB0 = REGB1;
5703     }
5704   }
5705   if (UNTAG_Bool(REGB0)) {
5706     CALL_standard___string___Sys___init_args(fra.me.REG[1])(fra.me.REG[1]);
5707   }
5708   /* ../lib/standard/string.nit:1016 */
5709   fra.me.REG[1] = ATTR_standard___string___Sys____args_cache(fra.me.REG[1]);
5710   REGB0 = TAG_Bool(fra.me.REG[1]!=NIT_NULL);
5711   if (UNTAG_Bool(REGB0)) {
5712   } else {
5713     nit_abort("Cast failed", NULL, LOCATE_standard___string, 1016);
5714   }
5715   goto label1;
5716   label1: while(0);
5717   stack_frame_head = fra.me.prev;
5718   return fra.me.REG[1];
5719 }
5720 static const char LOCATE_standard___string___Sys___program_name[] = "string::Sys::program_name";
5721 val_t standard___string___Sys___program_name(val_t p0){
5722   struct {struct stack_frame_t me;} fra;
5723   val_t REGB0;
5724   val_t tmp;
5725   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5726   fra.me.file = LOCATE_standard___string;
5727   fra.me.line = 1019;
5728   fra.me.meth = LOCATE_standard___string___Sys___program_name;
5729   fra.me.has_broke = 0;
5730   fra.me.REG_size = 1;
5731   fra.me.nitni_local_ref_head = NULL;
5732   fra.me.REG[0] = NIT_NULL;
5733   fra.me.REG[0] = p0;
5734   /* ../lib/standard/string.nit:1022 */
5735   REGB0 = TAG_Int(0);
5736   /* ../lib/standard/string.nit:1041 */
5737   fra.me.REG[0] = BOX_NativeString(glob_argv[UNTAG_Int(REGB0)]);
5738   /* ../lib/standard/string.nit:1022 */
5739   fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
5740   goto label1;
5741   label1: while(0);
5742   stack_frame_head = fra.me.prev;
5743   return fra.me.REG[0];
5744 }
5745 static const char LOCATE_standard___string___Sys___init_args[] = "string::Sys::init_args";
5746 void standard___string___Sys___init_args(val_t p0){
5747   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
5748   val_t REGB0;
5749   val_t REGB1;
5750   val_t REGB2;
5751   val_t tmp;
5752   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5753   fra.me.file = LOCATE_standard___string;
5754   fra.me.line = 1025;
5755   fra.me.meth = LOCATE_standard___string___Sys___init_args;
5756   fra.me.has_broke = 0;
5757   fra.me.REG_size = 3;
5758   fra.me.nitni_local_ref_head = NULL;
5759   fra.me.REG[0] = NIT_NULL;
5760   fra.me.REG[1] = NIT_NULL;
5761   fra.me.REG[2] = NIT_NULL;
5762   fra.me.REG[0] = p0;
5763   /* ../lib/standard/string.nit:1038 */
5764   REGB0 = TAG_Int(glob_argc);
5765   /* ../lib/standard/string.nit:1029 */
5766   REGB1 = TAG_Int(0);
5767   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
5768   /* ../lib/standard/string.nit:1030 */
5769   REGB1 = TAG_Int(1);
5770   /* ../lib/standard/string.nit:1031 */
5771   while(1) {
5772     REGB2 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
5773     if (UNTAG_Bool(REGB2)) {
5774     } else {
5775       nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
5776     }
5777     /* ../lib/standard/kernel.nit:242 */
5778     REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
5779     /* ../lib/standard/string.nit:1031 */
5780     if (UNTAG_Bool(REGB2)) {
5781       /* ../lib/standard/string.nit:1032 */
5782       REGB2 = TAG_Int(1);
5783       /* ../lib/standard/kernel.nit:247 */
5784       REGB2 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB2));
5785       /* ../lib/standard/string.nit:1041 */
5786       fra.me.REG[2] = BOX_NativeString(glob_argv[UNTAG_Int(REGB1)]);
5787       /* ../lib/standard/string.nit:1032 */
5788       fra.me.REG[2] = CALL_standard___string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
5789       CALL_standard___collection___abstract_collection___Sequence_____braeq(fra.me.REG[1])(fra.me.REG[1], REGB2, fra.me.REG[2]);
5790       /* ../lib/standard/string.nit:1033 */
5791       REGB2 = TAG_Int(1);
5792       /* ../lib/standard/kernel.nit:245 */
5793       REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
5794       /* ../lib/standard/string.nit:1033 */
5795       REGB1 = REGB2;
5796     } else {
5797       /* ../lib/standard/string.nit:1031 */
5798       goto label1;
5799     }
5800   }
5801   label1: while(0);
5802   /* ../lib/standard/string.nit:1035 */
5803   ATTR_standard___string___Sys____args_cache(fra.me.REG[0]) = fra.me.REG[1];
5804   stack_frame_head = fra.me.prev;
5805   return;
5806 }
5807 static const char LOCATE_standard___string___Sys___native_argc[] = "string::Sys::native_argc";
5808 val_t standard___string___Sys___native_argc(val_t p0){
5809   struct {struct stack_frame_t me;} fra;
5810   val_t REGB0;
5811   val_t tmp;
5812   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5813   fra.me.file = LOCATE_standard___string;
5814   fra.me.line = 1038;
5815   fra.me.meth = LOCATE_standard___string___Sys___native_argc;
5816   fra.me.has_broke = 0;
5817   fra.me.REG_size = 1;
5818   fra.me.nitni_local_ref_head = NULL;
5819   fra.me.REG[0] = NIT_NULL;
5820   fra.me.REG[0] = p0;
5821   /* ../lib/standard/string.nit:1038 */
5822   REGB0 = TAG_Int(glob_argc);
5823   stack_frame_head = fra.me.prev;
5824   return REGB0;
5825 }
5826 static const char LOCATE_standard___string___Sys___native_argv[] = "string::Sys::native_argv";
5827 val_t standard___string___Sys___native_argv(val_t p0, val_t p1){
5828   struct {struct stack_frame_t me;} fra;
5829   val_t REGB0;
5830   val_t tmp;
5831   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
5832   fra.me.file = LOCATE_standard___string;
5833   fra.me.line = 1041;
5834   fra.me.meth = LOCATE_standard___string___Sys___native_argv;
5835   fra.me.has_broke = 0;
5836   fra.me.REG_size = 1;
5837   fra.me.nitni_local_ref_head = NULL;
5838   fra.me.REG[0] = NIT_NULL;
5839   fra.me.REG[0] = p0;
5840   REGB0 = p1;
5841   /* ../lib/standard/string.nit:1041 */
5842   fra.me.REG[0] = BOX_NativeString(glob_argv[UNTAG_Int(REGB0)]);
5843   stack_frame_head = fra.me.prev;
5844   return fra.me.REG[0];
5845 }