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

diff --git a/c_src/location._sep.c b/c_src/location._sep.c
index b3ffb5f..0173183 100644
--- a/c_src/location._sep.c
+++ b/c_src/location._sep.c
@@ -1,5 +1,181 @@
 /* This C file is generated by NIT to compile module location. */
 #include "location._sep.h"
+val_t location___Location___file(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_location;
+  fra.me.line = 23;
+  fra.me.meth = LOCATE_location___Location___file;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./location.nit:23 */
+  REGB0 = TAG_Bool(ATTR_location___Location____file(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_file", LOCATE_location, 23);
+  }
+  fra.me.REG[0] = ATTR_location___Location____file(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t location___Location___line_start(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_location;
+  fra.me.line = 24;
+  fra.me.meth = LOCATE_location___Location___line_start;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./location.nit:24 */
+  REGB0 = TAG_Bool(ATTR_location___Location____line_start(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_line_start", LOCATE_location, 24);
+  }
+  REGB0 = ATTR_location___Location____line_start(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t location___Location___line_end(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_location;
+  fra.me.line = 25;
+  fra.me.meth = LOCATE_location___Location___line_end;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./location.nit:25 */
+  REGB0 = TAG_Bool(ATTR_location___Location____line_end(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_line_end", LOCATE_location, 25);
+  }
+  REGB0 = ATTR_location___Location____line_end(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t location___Location___column_start(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_location;
+  fra.me.line = 26;
+  fra.me.meth = LOCATE_location___Location___column_start;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./location.nit:26 */
+  REGB0 = TAG_Bool(ATTR_location___Location____column_start(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_column_start", LOCATE_location, 26);
+  }
+  REGB0 = ATTR_location___Location____column_start(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t location___Location___column_end(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_location;
+  fra.me.line = 27;
+  fra.me.meth = LOCATE_location___Location___column_end;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./location.nit:27 */
+  REGB0 = TAG_Bool(ATTR_location___Location____column_end(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_column_end", LOCATE_location, 27);
+  }
+  REGB0 = ATTR_location___Location____column_end(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+void location___Location___init(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4, val_t p5, int* init_table){
+  int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_Location].i;
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
+  val_t tmp;
+  if (init_table[itpos0]) return;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_location;
+  fra.me.line = 29;
+  fra.me.meth = LOCATE_location___Location___init;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  REGB0 = p2;
+  REGB1 = p3;
+  REGB2 = p4;
+  REGB3 = p5;
+  /* ./location.nit:30 */
+  ATTR_location___Location____file(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./location.nit:31 */
+  ATTR_location___Location____line_start(fra.me.REG[0]) = REGB0;
+  /* ./location.nit:32 */
+  ATTR_location___Location____line_end(fra.me.REG[0]) = REGB1;
+  /* ./location.nit:33 */
+  ATTR_location___Location____column_start(fra.me.REG[0]) = REGB2;
+  /* ./location.nit:34 */
+  ATTR_location___Location____column_end(fra.me.REG[0]) = REGB3;
+  stack_frame_head = fra.me.prev;
+  init_table[itpos0] = 1;
+  return;
+}
+void location___Location___with_file(val_t p0, val_t p1, int* init_table){
+  int itpos1 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_Location].i;
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
+  val_t tmp;
+  if (init_table[itpos1]) return;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_location;
+  fra.me.line = 37;
+  fra.me.meth = LOCATE_location___Location___with_file;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./location.nit:37 */
+  REGB0 = TAG_Int(0);
+  REGB1 = TAG_Int(0);
+  REGB2 = TAG_Int(0);
+  REGB3 = TAG_Int(0);
+  CALL_location___Location___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], REGB0, REGB1, REGB2, REGB3, init_table);
+  stack_frame_head = fra.me.prev;
+  init_table[itpos1] = 1;
+  return;
+}
 val_t location___Location_____eqeq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -19,8 +195,8 @@ val_t location___Location_____eqeq(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   /* ./location.nit:40 */
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
@@ -36,20 +212,18 @@ val_t location___Location_____eqeq(val_t p0, val_t p1){
     REGB0 = TAG_Bool(false);
     goto label1;
   }
+  /* ./location.nit:41 */
   REGB1 = TAG_Bool((fra.me.REG[1]!=NIT_NULL) && VAL_ISA(fra.me.REG[1], COLOR_Location, ID_Location)) /*cast Location*/;
   REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
-  /* ./location.nit:41 */
   if (UNTAG_Bool(REGB1)) {
     REGB1 = TAG_Bool(false);
     REGB0 = REGB1;
     goto label1;
   }
-  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   /* ./location.nit:43 */
+  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 43);
-    nit_exit(1);
+    nit_abort("Reciever is null", NULL, LOCATE_location, 43);
   }
   fra.me.REG[2] = CALL_location___Location___file(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[3] = CALL_location___Location___file(fra.me.REG[0])(fra.me.REG[0]);
@@ -65,21 +239,20 @@ val_t location___Location_____eqeq(val_t p0, val_t p1){
     REGB0 = REGB1;
     goto label1;
   }
-  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   /* ./location.nit:44 */
+  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 44);
-    nit_exit(1);
+    nit_abort("Reciever is null", NULL, LOCATE_location, 44);
   }
   REGB1 = CALL_location___Location___line_start(fra.me.REG[1])(fra.me.REG[1]);
   REGB2 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
   REGB3 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
   if (UNTAG_Bool(REGB3)) {
   } else {
+    /* ./../lib/standard//kernel.nit:207 */
     REGB2 = TAG_Bool((REGB1)==(REGB2));
+    /* ./location.nit:44 */
     REGB3 = REGB2;
-  /* ./location.nit:44 */
   }
   REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
   if (UNTAG_Bool(REGB3)) {
@@ -87,21 +260,20 @@ val_t location___Location_____eqeq(val_t p0, val_t p1){
     REGB0 = REGB3;
     goto label1;
   }
-  REGB3 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   /* ./location.nit:45 */
+  REGB3 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB3)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 45);
-    nit_exit(1);
+    nit_abort("Reciever is null", NULL, LOCATE_location, 45);
   }
   REGB3 = CALL_location___Location___line_end(fra.me.REG[1])(fra.me.REG[1]);
   REGB2 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
   REGB1 = TAG_Bool(IS_EQUAL_OO(REGB3,REGB2));
   if (UNTAG_Bool(REGB1)) {
   } else {
+    /* ./../lib/standard//kernel.nit:207 */
     REGB2 = TAG_Bool((REGB3)==(REGB2));
+    /* ./location.nit:45 */
     REGB1 = REGB2;
-  /* ./location.nit:45 */
   }
   REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
   if (UNTAG_Bool(REGB1)) {
@@ -109,21 +281,20 @@ val_t location___Location_____eqeq(val_t p0, val_t p1){
     REGB0 = REGB1;
     goto label1;
   }
-  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   /* ./location.nit:46 */
+  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 46);
-    nit_exit(1);
+    nit_abort("Reciever is null", NULL, LOCATE_location, 46);
   }
   REGB1 = CALL_location___Location___column_start(fra.me.REG[1])(fra.me.REG[1]);
   REGB2 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
   REGB3 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
   if (UNTAG_Bool(REGB3)) {
   } else {
+    /* ./../lib/standard//kernel.nit:207 */
     REGB2 = TAG_Bool((REGB1)==(REGB2));
+    /* ./location.nit:46 */
     REGB3 = REGB2;
-  /* ./location.nit:46 */
   }
   REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
   if (UNTAG_Bool(REGB3)) {
@@ -131,21 +302,20 @@ val_t location___Location_____eqeq(val_t p0, val_t p1){
     REGB0 = REGB3;
     goto label1;
   }
-  REGB3 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   /* ./location.nit:47 */
+  REGB3 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB3)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 47);
-    nit_exit(1);
+    nit_abort("Reciever is null", NULL, LOCATE_location, 47);
   }
   REGB3 = CALL_location___Location___column_end(fra.me.REG[1])(fra.me.REG[1]);
   REGB2 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
   REGB1 = TAG_Bool(IS_EQUAL_OO(REGB3,REGB2));
   if (UNTAG_Bool(REGB1)) {
   } else {
+    /* ./../lib/standard//kernel.nit:207 */
     REGB2 = TAG_Bool((REGB3)==(REGB2));
+    /* ./location.nit:47 */
     REGB1 = REGB2;
-  /* ./location.nit:47 */
   }
   REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
   if (UNTAG_Bool(REGB1)) {
@@ -153,15 +323,15 @@ val_t location___Location_____eqeq(val_t p0, val_t p1){
     REGB0 = REGB1;
     goto label1;
   }
+  /* ./location.nit:49 */
   REGB1 = TAG_Bool(true);
   REGB0 = REGB1;
-  /* ./location.nit:49 */
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t location___Location_____l(val_t p0, val_t p1){
+val_t location___Location___located_in(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t REGB1;
@@ -170,101 +340,160 @@ val_t location___Location_____l(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_location;
-  fra.me.line = 95;
-  fra.me.meth = LOCATE_location___Location_____l;
+  fra.me.line = 52;
+  fra.me.meth = LOCATE_location___Location___located_in;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[0],fra.me.REG[1]));
-  /* ./location.nit:96 */
+  /* ./location.nit:53 */
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-    REGB0 = REGB1;
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
   }
   if (UNTAG_Bool(REGB0)) {
     REGB0 = TAG_Bool(false);
     goto label1;
   }
-  REGB1 = CALL_location___Location___located_in(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-  /* ./location.nit:97 */
-  if (UNTAG_Bool(REGB1)) {
-    REGB1 = TAG_Bool(true);
-    REGB0 = REGB1;
+  /* ./location.nit:55 */
+  REGB1 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
+  REGB2 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB2)) {
+    nit_abort("Reciever is null", NULL, LOCATE_location, 55);
+  }
+  REGB2 = CALL_location___Location___line_start(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./../lib/standard//kernel.nit:212 */
+  REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+  /* ./location.nit:55 */
+  if (UNTAG_Bool(REGB2)) {
+    REGB2 = TAG_Bool(false);
+    REGB0 = REGB2;
     goto label1;
   }
-  REGB1 = CALL_location___Location___located_in(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  /* ./location.nit:98 */
+  /* ./location.nit:56 */
+  REGB2 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_location, 56);
+  }
+  REGB1 = CALL_location___Location___line_end(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./../lib/standard//kernel.nit:214 */
+  REGB1 = TAG_Bool(UNTAG_Int(REGB2)>UNTAG_Int(REGB1));
+  /* ./location.nit:56 */
   if (UNTAG_Bool(REGB1)) {
     REGB1 = TAG_Bool(false);
     REGB0 = REGB1;
     goto label1;
   }
-  REGB1 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
-  REGB2 = CALL_location___Location___line_start(fra.me.REG[1])(fra.me.REG[1]);
-  REGB3 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
-  /* ./location.nit:100 */
-  if (UNTAG_Bool(REGB3)) {
-  } else {
-    REGB2 = TAG_Bool((REGB1)==(REGB2));
-    REGB3 = REGB2;
-  /* ./location.nit:100 */
+  /* ./location.nit:58 */
+  REGB1 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
+  REGB2 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB2)) {
+    nit_abort("Reciever is null", NULL, LOCATE_location, 58);
   }
-  REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
-  if (UNTAG_Bool(REGB3)) {
-    REGB3 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
-    REGB2 = CALL_location___Location___line_start(fra.me.REG[1])(fra.me.REG[1]);
-    REGB2 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB2));
-    REGB0 = REGB2;
-    /* ./location.nit:100 */
+  REGB2 = CALL_location___Location___line_end(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./../lib/standard//kernel.nit:214 */
+  REGB2 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB2));
+  /* ./location.nit:58 */
+  if (UNTAG_Bool(REGB2)) {
+    REGB2 = TAG_Bool(false);
+    REGB0 = REGB2;
     goto label1;
   }
-  REGB2 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
-  REGB3 = CALL_location___Location___column_start(fra.me.REG[1])(fra.me.REG[1]);
-  REGB1 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB3));
-  /* ./location.nit:101 */
+  /* ./location.nit:60 */
+  REGB2 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_location, 60);
+  }
+  REGB1 = CALL_location___Location___line_start(fra.me.REG[1])(fra.me.REG[1]);
+  REGB3 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB1));
+  if (UNTAG_Bool(REGB3)) {
   } else {
-    REGB3 = TAG_Bool((REGB2)==(REGB3));
-    REGB1 = REGB3;
-  /* ./location.nit:101 */
+    /* ./../lib/standard//kernel.nit:207 */
+    REGB1 = TAG_Bool((REGB2)==(REGB1));
+    /* ./location.nit:60 */
+    REGB3 = REGB1;
   }
-  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
-  if (UNTAG_Bool(REGB1)) {
+  if (UNTAG_Bool(REGB3)) {
+    /* ./location.nit:61 */
+    REGB3 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      nit_abort("Reciever is null", NULL, LOCATE_location, 61);
+    }
+    REGB1 = CALL_location___Location___column_start(fra.me.REG[1])(fra.me.REG[1]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB1));
+    /* ./location.nit:61 */
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+      goto label1;
+    }
+    /* ./location.nit:62 */
     REGB1 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
-    REGB3 = CALL_location___Location___column_start(fra.me.REG[1])(fra.me.REG[1]);
-    REGB3 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB3));
-    REGB0 = REGB3;
-    /* ./location.nit:101 */
-    goto label1;
+    REGB3 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB3)) {
+      nit_abort("Reciever is null", NULL, LOCATE_location, 62);
+    }
+    REGB3 = CALL_location___Location___column_end(fra.me.REG[1])(fra.me.REG[1]);
+    /* ./../lib/standard//kernel.nit:214 */
+    REGB3 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB3));
+    /* ./location.nit:62 */
+    if (UNTAG_Bool(REGB3)) {
+      REGB3 = TAG_Bool(false);
+      REGB0 = REGB3;
+      goto label1;
+    }
   }
+  /* ./location.nit:65 */
   REGB3 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_location, 65);
+  }
   REGB1 = CALL_location___Location___line_end(fra.me.REG[1])(fra.me.REG[1]);
   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB3,REGB1));
-  /* ./location.nit:102 */
   if (UNTAG_Bool(REGB2)) {
   } else {
+    /* ./../lib/standard//kernel.nit:207 */
     REGB1 = TAG_Bool((REGB3)==(REGB1));
+    /* ./location.nit:65 */
     REGB2 = REGB1;
-  /* ./location.nit:102 */
   }
-  REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
   if (UNTAG_Bool(REGB2)) {
-    REGB2 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
-    REGB1 = CALL_location___Location___line_end(fra.me.REG[1])(fra.me.REG[1]);
-    REGB1 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB1));
+    REGB2 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      nit_abort("Reciever is null", NULL, LOCATE_location, 65);
+    }
+    REGB1 = CALL_location___Location___column_end(fra.me.REG[1])(fra.me.REG[1]);
+    /* ./../lib/standard//kernel.nit:214 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB2)>UNTAG_Int(REGB1));
+  } else {
+    /* ./location.nit:65 */
+    REGB2 = TAG_Bool(false);
+    REGB1 = REGB2;
+  }
+  if (UNTAG_Bool(REGB1)) {
+    REGB1 = TAG_Bool(false);
     REGB0 = REGB1;
-    /* ./location.nit:102 */
     goto label1;
   }
-  REGB1 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
-  REGB2 = CALL_location___Location___column_end(fra.me.REG[1])(fra.me.REG[1]);
-  REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
-  REGB0 = REGB2;
-  /* ./location.nit:104 */
+  /* ./location.nit:67 */
+  REGB1 = TAG_Bool(true);
+  REGB0 = REGB1;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
@@ -304,17 +533,18 @@ val_t location___Location___to_s(val_t p0){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
+  /* ./location.nit:71 */
   fra.me.REG[1] = CALL_location___Location___file(fra.me.REG[0])(fra.me.REG[0]);
-  REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   /* ./../lib/standard//collection//array.nit:23 */
+  REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_length");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_array, 23);
-    nit_exit(1);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
   }
   REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[1]);
+  /* ./location.nit:72 */
   REGB1 = TAG_Int(0);
+  /* ./../lib/standard//kernel.nit:214 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
   /* ./location.nit:72 */
   if (UNTAG_Bool(REGB1)) {
@@ -325,34 +555,37 @@ val_t location___Location___to_s(val_t p0){
       once_value_1 = fra.me.REG[2];
       register_static_object(&once_value_1);
     } else fra.me.REG[2] = once_value_1;
+    fra.me.REG[2] = fra.me.REG[2];
     fra.me.REG[2] = CALL_string___String_____plus(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
     fra.me.REG[1] = fra.me.REG[2];
   }
+  /* ./location.nit:74 */
   REGB1 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB0));
-  /* ./location.nit:74 */
   if (UNTAG_Bool(REGB2)) {
   } else {
+    /* ./../lib/standard//kernel.nit:207 */
     REGB0 = TAG_Bool((REGB1)==(REGB0));
+    /* ./location.nit:74 */
     REGB2 = REGB0;
-  /* ./location.nit:74 */
   }
   if (UNTAG_Bool(REGB2)) {
+    /* ./location.nit:75 */
     REGB2 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
     REGB0 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
     REGB1 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB0));
-    /* ./location.nit:75 */
     if (UNTAG_Bool(REGB1)) {
     } else {
+      /* ./../lib/standard//kernel.nit:207 */
       REGB0 = TAG_Bool((REGB2)==(REGB0));
+      /* ./location.nit:75 */
       REGB1 = REGB0;
-    /* ./location.nit:75 */
     }
     if (UNTAG_Bool(REGB1)) {
+      /* ./location.nit:76 */
       REGB1 = TAG_Int(7);
       fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB1);
-      /* ./location.nit:76 */
       if (!once_value_2) {
         fra.me.REG[3] = BOX_NativeString("");
         REGB1 = TAG_Int(0);
@@ -360,8 +593,9 @@ val_t location___Location___to_s(val_t p0){
         once_value_2 = fra.me.REG[3];
         register_static_object(&once_value_2);
       } else fra.me.REG[3] = once_value_2;
-      array___Array___add(fra.me.REG[2], fra.me.REG[3]);
-      array___Array___add(fra.me.REG[2], fra.me.REG[1]);
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
       if (!once_value_3) {
         fra.me.REG[3] = BOX_NativeString("");
         REGB1 = TAG_Int(0);
@@ -369,10 +603,11 @@ val_t location___Location___to_s(val_t p0){
         once_value_3 = fra.me.REG[3];
         register_static_object(&once_value_3);
       } else fra.me.REG[3] = once_value_3;
-      array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
       REGB1 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
       fra.me.REG[3] = CALL_string___Object___to_s(REGB1)(REGB1);
-      array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
       if (!once_value_4) {
         fra.me.REG[3] = BOX_NativeString(",");
         REGB1 = TAG_Int(1);
@@ -380,10 +615,11 @@ val_t location___Location___to_s(val_t p0){
         once_value_4 = fra.me.REG[3];
         register_static_object(&once_value_4);
       } else fra.me.REG[3] = once_value_4;
-      array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
       REGB1 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
       fra.me.REG[3] = CALL_string___Object___to_s(REGB1)(REGB1);
-      array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
       if (!once_value_5) {
         fra.me.REG[3] = BOX_NativeString("");
         REGB1 = TAG_Int(0);
@@ -391,13 +627,14 @@ val_t location___Location___to_s(val_t p0){
         once_value_5 = fra.me.REG[3];
         register_static_object(&once_value_5);
       } else fra.me.REG[3] = once_value_5;
-      array___Array___add(fra.me.REG[2], fra.me.REG[3]);
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
       fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
       goto label6;
     } else {
+      /* ./location.nit:78 */
       REGB1 = TAG_Int(9);
       fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
-      /* ./location.nit:78 */
       if (!once_value_7) {
         fra.me.REG[4] = BOX_NativeString("");
         REGB1 = TAG_Int(0);
@@ -405,8 +642,9 @@ val_t location___Location___to_s(val_t p0){
         once_value_7 = fra.me.REG[4];
         register_static_object(&once_value_7);
       } else fra.me.REG[4] = once_value_7;
-      array___Array___add(fra.me.REG[3], fra.me.REG[4]);
-      array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
       if (!once_value_8) {
         fra.me.REG[4] = BOX_NativeString("");
         REGB1 = TAG_Int(0);
@@ -414,10 +652,11 @@ val_t location___Location___to_s(val_t p0){
         once_value_8 = fra.me.REG[4];
         register_static_object(&once_value_8);
       } else fra.me.REG[4] = once_value_8;
-      array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
       REGB1 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
       fra.me.REG[4] = CALL_string___Object___to_s(REGB1)(REGB1);
-      array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
       if (!once_value_9) {
         fra.me.REG[4] = BOX_NativeString(",");
         REGB1 = TAG_Int(1);
@@ -425,10 +664,11 @@ val_t location___Location___to_s(val_t p0){
         once_value_9 = fra.me.REG[4];
         register_static_object(&once_value_9);
       } else fra.me.REG[4] = once_value_9;
-      array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
       REGB1 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
       fra.me.REG[4] = CALL_string___Object___to_s(REGB1)(REGB1);
-      array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
       if (!once_value_10) {
         fra.me.REG[4] = BOX_NativeString("--");
         REGB1 = TAG_Int(2);
@@ -436,10 +676,11 @@ val_t location___Location___to_s(val_t p0){
         once_value_10 = fra.me.REG[4];
         register_static_object(&once_value_10);
       } else fra.me.REG[4] = once_value_10;
-      array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
       REGB1 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
       fra.me.REG[4] = CALL_string___Object___to_s(REGB1)(REGB1);
-      array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
       if (!once_value_11) {
         fra.me.REG[4] = BOX_NativeString("");
         REGB1 = TAG_Int(0);
@@ -447,15 +688,16 @@ val_t location___Location___to_s(val_t p0){
         once_value_11 = fra.me.REG[4];
         register_static_object(&once_value_11);
       } else fra.me.REG[4] = once_value_11;
-      array___Array___add(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
       fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
       fra.me.REG[2] = fra.me.REG[3];
       goto label6;
     }
   } else {
+    /* ./location.nit:81 */
     REGB1 = TAG_Int(11);
     fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
-    /* ./location.nit:81 */
     if (!once_value_12) {
       fra.me.REG[4] = BOX_NativeString("");
       REGB1 = TAG_Int(0);
@@ -463,8 +705,9 @@ val_t location___Location___to_s(val_t p0){
       once_value_12 = fra.me.REG[4];
       register_static_object(&once_value_12);
     } else fra.me.REG[4] = once_value_12;
-    array___Array___add(fra.me.REG[3], fra.me.REG[4]);
-    array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     if (!once_value_13) {
       fra.me.REG[1] = BOX_NativeString("");
       REGB1 = TAG_Int(0);
@@ -472,10 +715,11 @@ val_t location___Location___to_s(val_t p0){
       once_value_13 = fra.me.REG[1];
       register_static_object(&once_value_13);
     } else fra.me.REG[1] = once_value_13;
-    array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     REGB1 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[1] = CALL_string___Object___to_s(REGB1)(REGB1);
-    array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     if (!once_value_14) {
       fra.me.REG[1] = BOX_NativeString(",");
       REGB1 = TAG_Int(1);
@@ -483,10 +727,11 @@ val_t location___Location___to_s(val_t p0){
       once_value_14 = fra.me.REG[1];
       register_static_object(&once_value_14);
     } else fra.me.REG[1] = once_value_14;
-    array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     REGB1 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[1] = CALL_string___Object___to_s(REGB1)(REGB1);
-    array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     if (!once_value_15) {
       fra.me.REG[1] = BOX_NativeString("--");
       REGB1 = TAG_Int(2);
@@ -494,10 +739,11 @@ val_t location___Location___to_s(val_t p0){
       once_value_15 = fra.me.REG[1];
       register_static_object(&once_value_15);
     } else fra.me.REG[1] = once_value_15;
-    array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     REGB1 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[1] = CALL_string___Object___to_s(REGB1)(REGB1);
-    array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     if (!once_value_16) {
       fra.me.REG[1] = BOX_NativeString(",");
       REGB1 = TAG_Int(1);
@@ -505,10 +751,11 @@ val_t location___Location___to_s(val_t p0){
       once_value_16 = fra.me.REG[1];
       register_static_object(&once_value_16);
     } else fra.me.REG[1] = once_value_16;
-    array___Array___add(fra.me.REG[3], fra.me.REG[1]);
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
     REGB1 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[0] = CALL_string___Object___to_s(REGB1)(REGB1);
-    array___Array___add(fra.me.REG[3], fra.me.REG[0]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
     if (!once_value_17) {
       fra.me.REG[0] = BOX_NativeString("");
       REGB1 = TAG_Int(0);
@@ -516,7 +763,8 @@ val_t location___Location___to_s(val_t p0){
       once_value_17 = fra.me.REG[0];
       register_static_object(&once_value_17);
     } else fra.me.REG[0] = once_value_17;
-    array___Array___add(fra.me.REG[3], fra.me.REG[0]);
+    fra.me.REG[0] = fra.me.REG[0];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
     fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
     fra.me.REG[2] = fra.me.REG[3];
     goto label6;
@@ -525,448 +773,202 @@ val_t location___Location___to_s(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
-val_t location___Location___file(val_t p0){
-  struct {struct stack_frame_t me;} fra;
+val_t location___Location___relative_to(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
   val_t tmp;
+    static val_t once_value_1; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_location;
-  fra.me.line = 23;
-  fra.me.meth = LOCATE_location___Location___file;
+  fra.me.line = 85;
+  fra.me.meth = LOCATE_location___Location___relative_to;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
+  fra.me.REG_size = 3;
   fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_location___Location____file(fra.me.REG[0])!=NIT_NULL);
-  /* ./location.nit:23 */
+  fra.me.REG[1] = p1;
+  /* ./location.nit:87 */
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_file");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 23);
-    nit_exit(1);
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
   }
-  fra.me.REG[0] = ATTR_location___Location____file(fra.me.REG[0]);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[0];
-}
-val_t location___Location___line_start(val_t p0){
-  struct {struct stack_frame_t me;} fra;
-  val_t REGB0;
-  val_t tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_location;
-  fra.me.line = 24;
-  fra.me.meth = LOCATE_location___Location___line_start;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_location___Location____line_start(fra.me.REG[0])!=NIT_NULL);
-  /* ./location.nit:24 */
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_location, 87);
+    }
+    fra.me.REG[1] = CALL_location___Location___file(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[2] = CALL_location___Location___file(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[2]));
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+      REGB0 = REGB1;
+    }
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_line_start");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 24);
-    nit_exit(1);
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
   }
-  REGB0 = ATTR_location___Location____line_start(fra.me.REG[0]);
-  stack_frame_head = fra.me.prev;
-  return REGB0;
-}
-val_t location___Location___line_end(val_t p0){
-  struct {struct stack_frame_t me;} fra;
-  val_t REGB0;
-  val_t tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_location;
-  fra.me.line = 25;
-  fra.me.meth = LOCATE_location___Location___line_end;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_location___Location____line_end(fra.me.REG[0])!=NIT_NULL);
-  /* ./location.nit:25 */
   if (UNTAG_Bool(REGB0)) {
+    /* ./location.nit:88 */
+    if (!once_value_1) {
+      fra.me.REG[2] = BOX_NativeString("");
+      REGB0 = TAG_Int(0);
+      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+      once_value_1 = fra.me.REG[2];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[2] = once_value_1;
+    fra.me.REG[2] = fra.me.REG[2];
+    REGB0 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
+    REGB1 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
+    REGB2 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
+    REGB3 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[2] = NEW_Location_location___Location___init(fra.me.REG[2], REGB0, REGB1, REGB2, REGB3);
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_line_end");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 25);
-    nit_exit(1);
+    /* ./location.nit:90 */
+    fra.me.REG[1] = CALL_location___Location___file(fra.me.REG[0])(fra.me.REG[0]);
+    REGB3 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
+    REGB2 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
+    REGB1 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[1] = NEW_Location_location___Location___init(fra.me.REG[1], REGB3, REGB2, REGB1, REGB0);
+    fra.me.REG[2] = fra.me.REG[1];
   }
-  REGB0 = ATTR_location___Location____line_end(fra.me.REG[0]);
+  /* ./location.nit:92 */
+  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+  goto label2;
+  label2: while(0);
   stack_frame_head = fra.me.prev;
-  return REGB0;
+  return fra.me.REG[2];
 }
-val_t location___Location___column_start(val_t p0){
-  struct {struct stack_frame_t me;} fra;
+val_t location___Location_____l(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_location;
-  fra.me.line = 26;
-  fra.me.meth = LOCATE_location___Location___column_start;
+  fra.me.line = 95;
+  fra.me.meth = LOCATE_location___Location_____l;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
+  fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_location___Location____column_start(fra.me.REG[0])!=NIT_NULL);
-  /* ./location.nit:26 */
+  fra.me.REG[1] = p1;
+  /* ./location.nit:96 */
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[0],fra.me.REG[1]));
   if (UNTAG_Bool(REGB0)) {
   } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_column_start");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 26);
-    nit_exit(1);
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    REGB0 = REGB1;
   }
-  REGB0 = ATTR_location___Location____column_start(fra.me.REG[0]);
-  stack_frame_head = fra.me.prev;
-  return REGB0;
-}
-val_t location___Location___column_end(val_t p0){
-  struct {struct stack_frame_t me;} fra;
-  val_t REGB0;
-  val_t tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_location;
-  fra.me.line = 27;
-  fra.me.meth = LOCATE_location___Location___column_end;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  REGB0 = TAG_Bool(ATTR_location___Location____column_end(fra.me.REG[0])!=NIT_NULL);
-  /* ./location.nit:27 */
   if (UNTAG_Bool(REGB0)) {
-  } else {
-    fprintf(stderr, "Uninitialized attribute %s", "_column_end");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 27);
-    nit_exit(1);
+    REGB0 = TAG_Bool(false);
+    goto label1;
   }
-  REGB0 = ATTR_location___Location____column_end(fra.me.REG[0]);
-  stack_frame_head = fra.me.prev;
-  return REGB0;
-}
-void location___Location___init(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4, val_t p5, int* init_table){
-  int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_Location].i;
-  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
-  val_t REGB0;
-  val_t REGB1;
-  val_t REGB2;
-  val_t REGB3;
-  val_t tmp;
-  if (init_table[itpos0]) return;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_location;
-  fra.me.line = 29;
-  fra.me.meth = LOCATE_location___Location___init;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 2;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[1] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  fra.me.REG[1] = p1;
-  REGB0 = p2;
-  REGB1 = p3;
-  REGB2 = p4;
-  REGB3 = p5;
-  /* ./location.nit:30 */
-  ATTR_location___Location____file(fra.me.REG[0]) = fra.me.REG[1];
-  /* ./location.nit:31 */
-  ATTR_location___Location____line_start(fra.me.REG[0]) = REGB0;
-  /* ./location.nit:32 */
-  ATTR_location___Location____line_end(fra.me.REG[0]) = REGB1;
-  /* ./location.nit:33 */
-  ATTR_location___Location____column_start(fra.me.REG[0]) = REGB2;
-  /* ./location.nit:34 */
-  ATTR_location___Location____column_end(fra.me.REG[0]) = REGB3;
-  stack_frame_head = fra.me.prev;
-  init_table[itpos0] = 1;
-  return;
-}
-void location___Location___with_file(val_t p0, val_t p1, int* init_table){
-  int itpos1 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_Location].i;
-  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
-  val_t REGB0;
-  val_t REGB1;
-  val_t REGB2;
-  val_t REGB3;
-  val_t tmp;
-  if (init_table[itpos1]) return;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_location;
-  fra.me.line = 37;
-  fra.me.meth = LOCATE_location___Location___with_file;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 2;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[1] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  fra.me.REG[1] = p1;
-  REGB0 = TAG_Int(0);
-  REGB1 = TAG_Int(0);
-  REGB2 = TAG_Int(0);
-  REGB3 = TAG_Int(0);
-  /* ./location.nit:37 */
-  CALL_location___Location___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], REGB0, REGB1, REGB2, REGB3, init_table);
-  stack_frame_head = fra.me.prev;
-  init_table[itpos1] = 1;
-  return;
-}
-val_t location___Location___located_in(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
-  val_t REGB0;
-  val_t REGB1;
-  val_t REGB2;
-  val_t REGB3;
-  val_t tmp;
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_location;
-  fra.me.line = 52;
-  fra.me.meth = LOCATE_location___Location___located_in;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 2;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[1] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  fra.me.REG[1] = p1;
-  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-  /* ./location.nit:53 */
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-    if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
-      REGB0 = REGB1;
-    } else {
-      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
-      REGB0 = REGB1;
-    }
-  }
-  if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Bool(false);
-    goto label1;
-  }
-  REGB1 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
-  REGB2 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-  /* ./location.nit:55 */
-  if (UNTAG_Bool(REGB2)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 55);
-    nit_exit(1);
-  }
-  REGB2 = CALL_location___Location___line_start(fra.me.REG[1])(fra.me.REG[1]);
-  REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
-  /* ./location.nit:55 */
-  if (UNTAG_Bool(REGB2)) {
-    REGB2 = TAG_Bool(false);
-    REGB0 = REGB2;
-    goto label1;
-  }
-  REGB2 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
-  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-  /* ./location.nit:56 */
+  /* ./location.nit:97 */
+  REGB1 = CALL_location___Location___located_in(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   if (UNTAG_Bool(REGB1)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 56);
-    nit_exit(1);
+    REGB1 = TAG_Bool(true);
+    REGB0 = REGB1;
+    goto label1;
   }
-  REGB1 = CALL_location___Location___line_end(fra.me.REG[1])(fra.me.REG[1]);
-  REGB1 = TAG_Bool(UNTAG_Int(REGB2)>UNTAG_Int(REGB1));
-  /* ./location.nit:56 */
+  /* ./location.nit:98 */
+  REGB1 = CALL_location___Location___located_in(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   if (UNTAG_Bool(REGB1)) {
     REGB1 = TAG_Bool(false);
     REGB0 = REGB1;
     goto label1;
   }
-  REGB1 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
-  REGB2 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-  /* ./location.nit:58 */
-  if (UNTAG_Bool(REGB2)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 58);
-    nit_exit(1);
+  /* ./location.nit:100 */
+  REGB1 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
+  REGB2 = CALL_location___Location___line_start(fra.me.REG[1])(fra.me.REG[1]);
+  REGB3 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
+  if (UNTAG_Bool(REGB3)) {
+  } else {
+    /* ./../lib/standard//kernel.nit:207 */
+    REGB2 = TAG_Bool((REGB1)==(REGB2));
+    /* ./location.nit:100 */
+    REGB3 = REGB2;
   }
-  REGB2 = CALL_location___Location___line_end(fra.me.REG[1])(fra.me.REG[1]);
-  REGB2 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB2));
-  /* ./location.nit:58 */
-  if (UNTAG_Bool(REGB2)) {
-    REGB2 = TAG_Bool(false);
+  REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
+  if (UNTAG_Bool(REGB3)) {
+    REGB3 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
+    REGB2 = CALL_location___Location___line_start(fra.me.REG[1])(fra.me.REG[1]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB2 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB2));
+    /* ./location.nit:100 */
     REGB0 = REGB2;
     goto label1;
   }
-  REGB2 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
-  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-  /* ./location.nit:60 */
+  /* ./location.nit:101 */
+  REGB2 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
+  REGB3 = CALL_location___Location___column_start(fra.me.REG[1])(fra.me.REG[1]);
+  REGB1 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB3));
   if (UNTAG_Bool(REGB1)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 60);
-    nit_exit(1);
-  }
-  REGB1 = CALL_location___Location___line_start(fra.me.REG[1])(fra.me.REG[1]);
-  REGB3 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB1));
-  if (UNTAG_Bool(REGB3)) {
   } else {
-    REGB1 = TAG_Bool((REGB2)==(REGB1));
-    REGB3 = REGB1;
-  /* ./location.nit:60 */
+    /* ./../lib/standard//kernel.nit:207 */
+    REGB3 = TAG_Bool((REGB2)==(REGB3));
+    /* ./location.nit:101 */
+    REGB1 = REGB3;
   }
-  if (UNTAG_Bool(REGB3)) {
-    REGB3 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
-    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-    /* ./location.nit:61 */
-    if (UNTAG_Bool(REGB1)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_location, 61);
-      nit_exit(1);
-    }
-    REGB1 = CALL_location___Location___column_start(fra.me.REG[1])(fra.me.REG[1]);
-    REGB1 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB1));
-    /* ./location.nit:61 */
-    if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
-      REGB0 = REGB1;
-      goto label1;
-    }
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
     REGB1 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
-    REGB3 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-    /* ./location.nit:62 */
-    if (UNTAG_Bool(REGB3)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_location, 62);
-      nit_exit(1);
-    }
-    REGB3 = CALL_location___Location___column_end(fra.me.REG[1])(fra.me.REG[1]);
-    REGB3 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB3));
-    /* ./location.nit:62 */
-    if (UNTAG_Bool(REGB3)) {
-      REGB3 = TAG_Bool(false);
-      REGB0 = REGB3;
-      goto label1;
-    }
+    REGB3 = CALL_location___Location___column_start(fra.me.REG[1])(fra.me.REG[1]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB3 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB3));
+    /* ./location.nit:101 */
+    REGB0 = REGB3;
+    goto label1;
   }
+  /* ./location.nit:102 */
   REGB3 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
-  REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-  /* ./location.nit:65 */
-  if (UNTAG_Bool(REGB1)) {
-    fprintf(stderr, "Reciever is null");
-    fprintf(stderr, " (%s:%d)\n", LOCATE_location, 65);
-    nit_exit(1);
-  }
   REGB1 = CALL_location___Location___line_end(fra.me.REG[1])(fra.me.REG[1]);
   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB3,REGB1));
   if (UNTAG_Bool(REGB2)) {
   } else {
+    /* ./../lib/standard//kernel.nit:207 */
     REGB1 = TAG_Bool((REGB3)==(REGB1));
+    /* ./location.nit:102 */
     REGB2 = REGB1;
-  /* ./location.nit:65 */
   }
+  REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
   if (UNTAG_Bool(REGB2)) {
-    REGB2 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
-    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-    if (UNTAG_Bool(REGB1)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_location, 65);
-      nit_exit(1);
-    }
-    REGB1 = CALL_location___Location___column_end(fra.me.REG[1])(fra.me.REG[1]);
-    REGB1 = TAG_Bool(UNTAG_Int(REGB2)>UNTAG_Int(REGB1));
-  /* ./location.nit:65 */
-  } else {
-    REGB2 = TAG_Bool(false);
-    REGB1 = REGB2;
-  }
-  if (UNTAG_Bool(REGB1)) {
-    REGB1 = TAG_Bool(false);
+    REGB2 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
+    REGB1 = CALL_location___Location___line_end(fra.me.REG[1])(fra.me.REG[1]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB1));
+    /* ./location.nit:102 */
     REGB0 = REGB1;
     goto label1;
   }
-  REGB1 = TAG_Bool(true);
-  REGB0 = REGB1;
-  /* ./location.nit:67 */
+  /* ./location.nit:104 */
+  REGB1 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
+  REGB2 = CALL_location___Location___column_end(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./../lib/standard//kernel.nit:212 */
+  REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+  /* ./location.nit:104 */
+  REGB0 = REGB2;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t location___Location___relative_to(val_t p0, val_t p1){
-  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
-  val_t REGB0;
-  val_t REGB1;
-  val_t REGB2;
-  val_t REGB3;
-  val_t tmp;
-    static val_t once_value_1; /* Once value */
-  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_location;
-  fra.me.line = 85;
-  fra.me.meth = LOCATE_location___Location___relative_to;
-  fra.me.has_broke = 0;
-  fra.me.REG_size = 3;
-  fra.me.REG[0] = NIT_NULL;
-  fra.me.REG[1] = NIT_NULL;
-  fra.me.REG[2] = NIT_NULL;
-  fra.me.REG[0] = p0;
-  fra.me.REG[1] = p1;
-  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-  /* ./location.nit:87 */
-  if (UNTAG_Bool(REGB0)) {
-  } else {
-    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-    if (UNTAG_Bool(REGB1)) {
-      REGB1 = TAG_Bool(false);
-      REGB0 = REGB1;
-    } else {
-      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
-      REGB0 = REGB1;
-    }
-  }
-  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
-  if (UNTAG_Bool(REGB0)) {
-    REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
-    if (UNTAG_Bool(REGB0)) {
-      fprintf(stderr, "Reciever is null");
-      fprintf(stderr, " (%s:%d)\n", LOCATE_location, 87);
-      nit_exit(1);
-    }
-    fra.me.REG[1] = CALL_location___Location___file(fra.me.REG[1])(fra.me.REG[1]);
-    fra.me.REG[2] = CALL_location___Location___file(fra.me.REG[0])(fra.me.REG[0]);
-    REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[2]));
-    if (UNTAG_Bool(REGB0)) {
-    } else {
-      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-      REGB0 = REGB1;
-    }
-  } else {
-    REGB1 = TAG_Bool(false);
-    REGB0 = REGB1;
-  }
-  if (UNTAG_Bool(REGB0)) {
-    /* ./location.nit:88 */
-    if (!once_value_1) {
-      fra.me.REG[2] = BOX_NativeString("");
-      REGB0 = TAG_Int(0);
-      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
-      once_value_1 = fra.me.REG[2];
-      register_static_object(&once_value_1);
-    } else fra.me.REG[2] = once_value_1;
-    REGB0 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
-    REGB1 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
-    REGB2 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
-    REGB3 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
-    fra.me.REG[2] = NEW_Location_location___Location___init(fra.me.REG[2], REGB0, REGB1, REGB2, REGB3);
-  } else {
-    fra.me.REG[1] = CALL_location___Location___file(fra.me.REG[0])(fra.me.REG[0]);
-    REGB3 = CALL_location___Location___line_start(fra.me.REG[0])(fra.me.REG[0]);
-    REGB2 = CALL_location___Location___line_end(fra.me.REG[0])(fra.me.REG[0]);
-    REGB1 = CALL_location___Location___column_start(fra.me.REG[0])(fra.me.REG[0]);
-    REGB0 = CALL_location___Location___column_end(fra.me.REG[0])(fra.me.REG[0]);
-    fra.me.REG[1] = NEW_Location_location___Location___init(fra.me.REG[1], REGB3, REGB2, REGB1, REGB0);
-    fra.me.REG[2] = fra.me.REG[1];
-  /* ./location.nit:90 */
-  }
-  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-  /* ./location.nit:92 */
-  goto label2;
-  label2: while(0);
-  stack_frame_head = fra.me.prev;
-  return fra.me.REG[2];
-}