c_src : Regenerated c_src to prevent use of String contructors

[nit.git] / c_src / standard___string_search._sep.c

diff --git a/c_src/standard___string_search._sep.c b/c_src/standard___string_search._sep.c
index f05ceac..be9c313 100644 (file)
--- a/c_src/standard___string_search._sep.c
+++ b/c_src/standard___string_search._sep.c
@@ -1,33 +1,38 @@
 /* This C file is generated by NIT to compile module standard___string_search. */
 #include "standard___string_search._sep.h"
+static const char LOCATE_standard___string_search___Pattern___search_index_in[] = "string_search::Pattern::search_index_in";
 val_t standard___string_search___Pattern___search_index_in(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 21;
+  fra.me.line = 20;
   fra.me.meth = LOCATE_standard___string_search___Pattern___search_index_in;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./../lib/standard//string_search.nit:21 */
-  nit_abort("Deferred method called", NULL, LOCATE_standard___string_search, 21);
+  fra.me.nitni_local_ref_head = NULL;
+  /* ../lib/standard/string_search.nit:20 */
+  nit_abort("Deferred method called", NULL, LOCATE_standard___string_search, 20);
   stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
+static const char LOCATE_standard___string_search___Pattern___search_in[] = "string_search::Pattern::search_in";
 val_t standard___string_search___Pattern___search_in(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 26;
+  fra.me.line = 25;
   fra.me.meth = LOCATE_standard___string_search___Pattern___search_in;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./../lib/standard//string_search.nit:26 */
-  nit_abort("Deferred method called", NULL, LOCATE_standard___string_search, 26);
+  fra.me.nitni_local_ref_head = NULL;
+  /* ../lib/standard/string_search.nit:25 */
+  nit_abort("Deferred method called", NULL, LOCATE_standard___string_search, 25);
   stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
+static const char LOCATE_standard___string_search___Pattern___search_all_in[] = "string_search::Pattern::search_all_in";
 val_t standard___string_search___Pattern___search_all_in(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
   val_t REGB0;
@@ -35,10 +40,11 @@ val_t standard___string_search___Pattern___search_all_in(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 30;
+  fra.me.line = 29;
   fra.me.meth = LOCATE_standard___string_search___Pattern___search_all_in;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -46,19 +52,19 @@ val_t standard___string_search___Pattern___search_all_in(val_t p0, val_t p1){
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//string_search.nit:33 */
+  /* ../lib/standard/string_search.nit:32 */
   fra.me.REG[2] = NEW_Array_standard___collection___array___Array___init();
-  /* ./../lib/standard//string_search.nit:34 */
+  /* ../lib/standard/string_search.nit:33 */
   REGB0 = TAG_Int(0);
   fra.me.REG[3] = CALL_standard___string_search___Pattern___search_in(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], REGB0);
-  /* ./../lib/standard//string_search.nit:35 */
+  /* ../lib/standard/string_search.nit:34 */
   while(1) {
     REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
       REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
       if (UNTAG_Bool(REGB1)) {
-        REGB1 = TAG_Bool(false);
+        REGB1 = TAG_Bool(0);
         REGB0 = REGB1;
       } else {
         REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
@@ -67,28 +73,29 @@ val_t standard___string_search___Pattern___search_all_in(val_t p0, val_t p1){
     }
     REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
     if (UNTAG_Bool(REGB0)) {
-      /* ./../lib/standard//string_search.nit:36 */
+      /* ../lib/standard/string_search.nit:35 */
       CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
-      /* ./../lib/standard//string_search.nit:37 */
+      /* ../lib/standard/string_search.nit:36 */
       REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
       if (UNTAG_Bool(REGB0)) {
-        nit_abort("Reciever is null", NULL, LOCATE_standard___string_search, 37);
+        nit_abort("Reciever is null", NULL, LOCATE_standard___string_search, 36);
       }
       REGB0 = CALL_standard___string_search___Match___after(fra.me.REG[3])(fra.me.REG[3]);
       fra.me.REG[4] = CALL_standard___string_search___Pattern___search_in(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], REGB0);
       fra.me.REG[3] = fra.me.REG[4];
     } else {
-      /* ./../lib/standard//string_search.nit:35 */
+      /* ../lib/standard/string_search.nit:34 */
       goto label1;
     }
   }
   label1: while(0);
-  /* ./../lib/standard//string_search.nit:39 */
+  /* ../lib/standard/string_search.nit:38 */
   goto label2;
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
+static const char LOCATE_standard___string_search___Pattern___split_in[] = "string_search::Pattern::split_in";
 val_t standard___string_search___Pattern___split_in(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
   val_t REGB0;
@@ -97,10 +104,11 @@ val_t standard___string_search___Pattern___split_in(val_t p0, val_t p1){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 42;
+  fra.me.line = 41;
   fra.me.meth = LOCATE_standard___string_search___Pattern___split_in;
   fra.me.has_broke = 0;
   fra.me.REG_size = 5;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
@@ -108,21 +116,21 @@ val_t standard___string_search___Pattern___split_in(val_t p0, val_t p1){
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//string_search.nit:45 */
+  /* ../lib/standard/string_search.nit:44 */
   fra.me.REG[2] = NEW_Array_standard___collection___array___Array___init();
-  /* ./../lib/standard//string_search.nit:46 */
+  /* ../lib/standard/string_search.nit:45 */
   REGB0 = TAG_Int(0);
-  /* ./../lib/standard//string_search.nit:47 */
+  /* ../lib/standard/string_search.nit:46 */
   REGB1 = TAG_Int(0);
   fra.me.REG[3] = CALL_standard___string_search___Pattern___search_in(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], REGB1);
-  /* ./../lib/standard//string_search.nit:48 */
+  /* ../lib/standard/string_search.nit:47 */
   while(1) {
     REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
       REGB2 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
-        REGB2 = TAG_Bool(false);
+        REGB2 = TAG_Bool(0);
         REGB1 = REGB2;
       } else {
         REGB2 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
@@ -131,51 +139,52 @@ val_t standard___string_search___Pattern___split_in(val_t p0, val_t p1){
     }
     REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
     if (UNTAG_Bool(REGB1)) {
-      /* ./../lib/standard//string_search.nit:50 */
+      /* ../lib/standard/string_search.nit:49 */
       REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
       if (UNTAG_Bool(REGB1)) {
-        nit_abort("Reciever is null", NULL, LOCATE_standard___string_search, 50);
+        nit_abort("Reciever is null", NULL, LOCATE_standard___string_search, 49);
       }
       REGB1 = CALL_standard___string_search___Match___from(fra.me.REG[3])(fra.me.REG[3]);
-      /* ./../lib/standard//kernel.nit:220 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB1 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
-      /* ./../lib/standard//string_search.nit:51 */
+      /* ../lib/standard/string_search.nit:50 */
       fra.me.REG[4] = NEW_Match_standard___string_search___Match___init(fra.me.REG[1], REGB0, REGB1);
       CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
-      /* ./../lib/standard//string_search.nit:52 */
+      /* ../lib/standard/string_search.nit:51 */
       REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
       if (UNTAG_Bool(REGB1)) {
-        nit_abort("Reciever is null", NULL, LOCATE_standard___string_search, 52);
+        nit_abort("Reciever is null", NULL, LOCATE_standard___string_search, 51);
       }
       REGB1 = CALL_standard___string_search___Match___after(fra.me.REG[3])(fra.me.REG[3]);
       REGB0 = REGB1;
-      /* ./../lib/standard//string_search.nit:53 */
+      /* ../lib/standard/string_search.nit:52 */
       fra.me.REG[4] = CALL_standard___string_search___Pattern___search_in(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], REGB0);
       fra.me.REG[3] = fra.me.REG[4];
     } else {
-      /* ./../lib/standard//string_search.nit:48 */
+      /* ../lib/standard/string_search.nit:47 */
       goto label1;
     }
   }
   label1: while(0);
-  /* ./../lib/standard//collection//array.nit:23 */
+  /* ../lib/standard/collection/array.nit:24 */
   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 23);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
   }
   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
-  /* ./../lib/standard//kernel.nit:220 */
+  /* ../lib/standard/kernel.nit:247 */
   REGB1 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB0));
-  /* ./../lib/standard//string_search.nit:56 */
+  /* ../lib/standard/string_search.nit:55 */
   fra.me.REG[1] = NEW_Match_standard___string_search___Match___init(fra.me.REG[1], REGB0, REGB1);
   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
-  /* ./../lib/standard//string_search.nit:57 */
+  /* ../lib/standard/string_search.nit:56 */
   goto label2;
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
+static const char LOCATE_standard___string_search___BM_Pattern___to_s[] = "string_search::BM_Pattern::(string::Object::to_s)";
 val_t standard___string_search___BM_Pattern___to_s(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -186,9 +195,10 @@ val_t standard___string_search___BM_Pattern___to_s(val_t p0){
   fra.me.meth = LOCATE_standard___string_search___BM_Pattern___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//string_search.nit:67 */
+  /* ../lib/standard/string_search.nit:67 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -200,6 +210,7 @@ val_t standard___string_search___BM_Pattern___to_s(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_standard___string_search___BM_Pattern___search_index_in[] = "string_search::BM_Pattern::(string_search::Pattern::search_index_in)";
 val_t standard___string_search___BM_Pattern___search_index_in(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -217,57 +228,73 @@ val_t standard___string_search___BM_Pattern___search_index_in(val_t p0, val_t p1
   fra.me.meth = LOCATE_standard___string_search___BM_Pattern___search_index_in;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   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 = p2;
-  /* ./../lib/standard//string_search.nit:72 */
+  /* ../lib/standard/string_search.nit:72 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:216 */
+  REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+  }
+  /* ../lib/standard/kernel.nit:243 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
-  /* ./../lib/standard//string_search.nit:72 */
+  /* ../lib/standard/string_search.nit:72 */
   if (UNTAG_Bool(REGB1)) {
   } else {
     nit_abort("Assert failed", NULL, LOCATE_standard___string_search, 72);
   }
-  /* ./../lib/standard//collection//array.nit:23 */
+  /* ../lib/standard/collection/array.nit:24 */
   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 23);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
   }
   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
-  /* ./../lib/standard//string_search.nit:74 */
+  /* ../lib/standard/string_search.nit:74 */
   REGB2 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB2)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string_search, 74);
   }
   REGB2 = ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0]);
-  /* ./../lib/standard//string_search.nit:77 */
+  /* ../lib/standard/string_search.nit:77 */
   while(1) {
-    /* ./../lib/standard//kernel.nit:220 */
+    /* ../lib/standard/kernel.nit:247 */
     REGB3 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB2));
-    /* ./../lib/standard//string_search.nit:77 */
+    /* ../lib/standard/string_search.nit:77 */
     REGB4 = TAG_Int(1);
-    /* ./../lib/standard//kernel.nit:218 */
+    /* ../lib/standard/kernel.nit:245 */
     REGB4 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB4));
-    /* ./../lib/standard//kernel.nit:215 */
+    REGB3 = TAG_Bool(VAL_ISA(REGB4, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB3)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:242 */
     REGB4 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB4));
-    /* ./../lib/standard//string_search.nit:77 */
+    /* ../lib/standard/string_search.nit:77 */
     if (UNTAG_Bool(REGB4)) {
-      /* ./../lib/standard//string_search.nit:78 */
+      /* ../lib/standard/string_search.nit:78 */
       REGB4 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:220 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB4 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(REGB4));
-      /* ./../lib/standard//string_search.nit:79 */
+      /* ../lib/standard/string_search.nit:79 */
       while(1) {
         REGB3 = TAG_Int(0);
-        /* ./../lib/standard//kernel.nit:216 */
+        REGB5 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB5)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ../lib/standard/kernel.nit:243 */
         REGB3 = TAG_Bool(UNTAG_Int(REGB4)>=UNTAG_Int(REGB3));
-        /* ./../lib/standard//string_search.nit:79 */
+        /* ../lib/standard/string_search.nit:79 */
         if (UNTAG_Bool(REGB3)) {
           REGB3 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0])!=NIT_NULL);
           if (UNTAG_Bool(REGB3)) {
@@ -275,137 +302,159 @@ val_t standard___string_search___BM_Pattern___search_index_in(val_t p0, val_t p1
             nit_abort("Uninitialized attribute %s", "_motif", LOCATE_standard___string_search, 79);
           }
           fra.me.REG[2] = ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0]);
-          REGB3 = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[2])(fra.me.REG[2], REGB4);
-          /* ./../lib/standard//kernel.nit:218 */
+          REGB3 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[2])(fra.me.REG[2], REGB4);
+          /* ../lib/standard/kernel.nit:245 */
           REGB5 = TAG_Int(UNTAG_Int(REGB4)+UNTAG_Int(REGB0));
-          /* ./../lib/standard//string_search.nit:79 */
-          REGB5 = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB5);
+          /* ../lib/standard/string_search.nit:79 */
+          REGB5 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB5);
           REGB6 = TAG_Bool(IS_EQUAL_OO(REGB3,REGB5));
           if (UNTAG_Bool(REGB6)) {
           } else {
-            /* ./../lib/standard//kernel.nit:350 */
+            /* ../lib/standard/kernel.nit:434 */
             REGB5 = TAG_Bool((REGB3)==(REGB5));
-            /* ./../lib/standard//string_search.nit:79 */
+            /* ../lib/standard/string_search.nit:79 */
             REGB6 = REGB5;
           }
         } else {
-          REGB5 = TAG_Bool(false);
+          REGB5 = TAG_Bool(0);
           REGB6 = REGB5;
         }
         if (UNTAG_Bool(REGB6)) {
           REGB6 = TAG_Int(1);
-          /* ./../lib/standard//kernel.nit:220 */
+          /* ../lib/standard/kernel.nit:247 */
           REGB6 = TAG_Int(UNTAG_Int(REGB4)-UNTAG_Int(REGB6));
-          /* ./../lib/standard//string_search.nit:79 */
+          /* ../lib/standard/string_search.nit:79 */
           REGB4 = REGB6;
         } else {
           goto label1;
         }
       }
       label1: while(0);
-      /* ./../lib/standard//string_search.nit:80 */
+      /* ../lib/standard/string_search.nit:80 */
       REGB6 = TAG_Int(0);
-      /* ./../lib/standard//kernel.nit:215 */
+      REGB5 = TAG_Bool(VAL_ISA(REGB6, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
+      if (UNTAG_Bool(REGB5)) {
+      } else {
+        nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+      }
+      /* ../lib/standard/kernel.nit:242 */
       REGB6 = TAG_Bool(UNTAG_Int(REGB4)<UNTAG_Int(REGB6));
-      /* ./../lib/standard//string_search.nit:80 */
+      /* ../lib/standard/string_search.nit:80 */
       if (UNTAG_Bool(REGB6)) {
-        /* ./../lib/standard//string_search.nit:81 */
+        /* ../lib/standard/string_search.nit:81 */
         REGB6 = REGB0;
         goto label2;
       } else {
-        /* ./../lib/standard//string_search.nit:83 */
+        /* ../lib/standard/string_search.nit:83 */
         REGB5 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____gs(fra.me.REG[0])!=NIT_NULL);
         if (UNTAG_Bool(REGB5)) {
         } else {
           nit_abort("Uninitialized attribute %s", "_gs", LOCATE_standard___string_search, 83);
         }
         fra.me.REG[2] = ATTR_standard___string_search___BM_Pattern____gs(fra.me.REG[0]);
-        /* ./../lib/standard//collection//array.nit:243 */
+        /* ../lib/standard/collection/array.nit:279 */
         REGB5 = REGB4;
-        /* ./../lib/standard//collection//array.nit:245 */
+        /* ../lib/standard/collection/array.nit:281 */
         REGB3 = TAG_Int(0);
-        /* ./../lib/standard//kernel.nit:216 */
+        REGB7 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB5), VTID_standard___kernel___Comparable___OTHER(REGB5))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB7)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ../lib/standard/kernel.nit:243 */
         REGB3 = TAG_Bool(UNTAG_Int(REGB5)>=UNTAG_Int(REGB3));
-        /* ./../lib/standard//collection//array.nit:245 */
+        /* ../lib/standard/collection/array.nit:281 */
         if (UNTAG_Bool(REGB3)) {
           REGB3 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
           if (UNTAG_Bool(REGB3)) {
           } else {
-            nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 245);
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 281);
           }
           REGB3 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
-          /* ./../lib/standard//kernel.nit:215 */
+          REGB7 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB5), VTID_standard___kernel___Comparable___OTHER(REGB5))) /*cast OTHER*/;
+          if (UNTAG_Bool(REGB7)) {
+          } else {
+            nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+          }
+          /* ../lib/standard/kernel.nit:242 */
           REGB3 = TAG_Bool(UNTAG_Int(REGB5)<UNTAG_Int(REGB3));
         } else {
-          /* ./../lib/standard//collection//array.nit:245 */
-          REGB7 = TAG_Bool(false);
+          /* ../lib/standard/collection/array.nit:281 */
+          REGB7 = TAG_Bool(0);
           REGB3 = REGB7;
         }
         if (UNTAG_Bool(REGB3)) {
         } else {
-          nit_abort("Assert %s  failed", "'index'", LOCATE_standard___collection___array, 245);
+          nit_abort("Assert '%s' failed", "index", LOCATE_standard___collection___array, 281);
         }
-        /* ./../lib/standard//collection//array.nit:246 */
+        /* ../lib/standard/collection/array.nit:282 */
         fra.me.REG[2] = ATTR_standard___collection___array___Array____items(fra.me.REG[2]);
         REGB3 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
         if (UNTAG_Bool(REGB3)) {
-          nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 246);
+          nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 282);
         }
-        /* ./../lib/standard//collection//array.nit:654 */
+        /* ../lib/standard/collection/array.nit:725 */
         fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB5)];
-        /* ./../lib/standard//collection//array.nit:246 */
+        /* ../lib/standard/collection/array.nit:282 */
         goto label3;
         label3: while(0);
-        /* ./../lib/standard//string_search.nit:83 */
+        /* ../lib/standard/string_search.nit:83 */
         REGB5 = fra.me.REG[2];
-        /* ./../lib/standard//kernel.nit:218 */
+        /* ../lib/standard/kernel.nit:245 */
         REGB3 = TAG_Int(UNTAG_Int(REGB4)+UNTAG_Int(REGB0));
-        /* ./../lib/standard//string_search.nit:84 */
-        REGB3 = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB3);
+        /* ../lib/standard/string_search.nit:84 */
+        REGB3 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB3);
         REGB3 = CALL_standard___string_search___BM_Pattern___bc(fra.me.REG[0])(fra.me.REG[0], REGB3);
-        /* ./../lib/standard//kernel.nit:220 */
+        /* ../lib/standard/kernel.nit:247 */
         REGB3 = TAG_Int(UNTAG_Int(REGB3)-UNTAG_Int(REGB2));
-        /* ./../lib/standard//string_search.nit:84 */
+        /* ../lib/standard/string_search.nit:84 */
         REGB7 = TAG_Int(1);
-        /* ./../lib/standard//kernel.nit:218 */
+        /* ../lib/standard/kernel.nit:245 */
         REGB7 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB7));
         REGB4 = TAG_Int(UNTAG_Int(REGB7)+UNTAG_Int(REGB4));
-        /* ./../lib/standard//kernel.nit:217 */
+        REGB7 = TAG_Bool(VAL_ISA(REGB4, VTCOLOR_standard___kernel___Comparable___OTHER(REGB5), VTID_standard___kernel___Comparable___OTHER(REGB5))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB7)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ../lib/standard/kernel.nit:244 */
         REGB7 = TAG_Bool(UNTAG_Int(REGB5)>UNTAG_Int(REGB4));
-        /* ./../lib/standard//string_search.nit:86 */
+        /* ../lib/standard/string_search.nit:86 */
         if (UNTAG_Bool(REGB7)) {
-          /* ./../lib/standard//kernel.nit:218 */
+          /* ../lib/standard/kernel.nit:245 */
           REGB5 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB5));
-          /* ./../lib/standard//string_search.nit:87 */
+          /* ../lib/standard/string_search.nit:87 */
           REGB0 = REGB5;
         } else {
-          /* ./../lib/standard//kernel.nit:218 */
+          /* ../lib/standard/kernel.nit:245 */
           REGB4 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB4));
-          /* ./../lib/standard//string_search.nit:89 */
+          /* ../lib/standard/string_search.nit:89 */
           REGB0 = REGB4;
         }
       }
     } else {
-      /* ./../lib/standard//string_search.nit:77 */
+      /* ../lib/standard/string_search.nit:77 */
       goto label4;
     }
   }
   label4: while(0);
-  /* ./../lib/standard//string_search.nit:93 */
+  /* ../lib/standard/string_search.nit:93 */
   REGB0 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:219 */
+  /* ../lib/standard/kernel.nit:246 */
   REGB0 = TAG_Int(-UNTAG_Int(REGB0));
-  /* ./../lib/standard//string_search.nit:93 */
+  /* ../lib/standard/string_search.nit:93 */
   REGB6 = REGB0;
   goto label2;
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return REGB6;
 }
+static const char LOCATE_standard___string_search___BM_Pattern___search_in[] = "string_search::BM_Pattern::(string_search::Pattern::search_in)";
 val_t standard___string_search___BM_Pattern___search_in(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
   val_t REGB1;
+  val_t REGB2;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
@@ -413,25 +462,31 @@ val_t standard___string_search___BM_Pattern___search_in(val_t p0, val_t p1, val_
   fra.me.meth = LOCATE_standard___string_search___BM_Pattern___search_in;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   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 = p2;
-  /* ./../lib/standard//string_search.nit:99 */
+  /* ../lib/standard/string_search.nit:99 */
   REGB0 = CALL_standard___string_search___Pattern___search_index_in(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], REGB0);
-  /* ./../lib/standard//string_search.nit:100 */
+  /* ../lib/standard/string_search.nit:100 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:215 */
+  REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+  }
+  /* ../lib/standard/kernel.nit:242 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-  /* ./../lib/standard//string_search.nit:100 */
+  /* ../lib/standard/string_search.nit:100 */
   if (UNTAG_Bool(REGB1)) {
-    /* ./../lib/standard//string_search.nit:101 */
+    /* ../lib/standard/string_search.nit:101 */
     fra.me.REG[2] = NIT_NULL;
     goto label1;
   } else {
-    /* ./../lib/standard//string_search.nit:103 */
+    /* ../lib/standard/string_search.nit:103 */
     REGB1 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
@@ -446,6 +501,7 @@ val_t standard___string_search___BM_Pattern___search_in(val_t p0, val_t p1, val_
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
+static const char LOCATE_standard___string_search___BM_Pattern___init[] = "string_search::BM_Pattern::init";
 void standard___string_search___BM_Pattern___init(val_t p0, val_t p1, int* init_table){
   int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_standard___string_search___BM_Pattern].i;
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
@@ -458,22 +514,23 @@ void standard___string_search___BM_Pattern___init(val_t p0, val_t p1, int* init_
   fra.me.meth = LOCATE_standard___string_search___BM_Pattern___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//string_search.nit:110 */
+  /* ../lib/standard/string_search.nit:110 */
   ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0]) = fra.me.REG[1];
-  /* ./../lib/standard//collection//array.nit:23 */
+  /* ../lib/standard/collection/array.nit:24 */
   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 23);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
   }
   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
-  /* ./../lib/standard//string_search.nit:111 */
+  /* ../lib/standard/string_search.nit:111 */
   ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0]) = REGB0;
-  /* ./../lib/standard//string_search.nit:112 */
+  /* ../lib/standard/string_search.nit:112 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -482,17 +539,18 @@ void standard___string_search___BM_Pattern___init(val_t p0, val_t p1, int* init_
   REGB0 = ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0]);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   ATTR_standard___string_search___BM_Pattern____gs(fra.me.REG[0]) = fra.me.REG[1];
-  /* ./../lib/standard//string_search.nit:113 */
+  /* ../lib/standard/string_search.nit:113 */
   fra.me.REG[1] = NEW_ArrayMap_standard___collection___array___ArrayMap___init();
   ATTR_standard___string_search___BM_Pattern____bc_table(fra.me.REG[0]) = fra.me.REG[1];
-  /* ./../lib/standard//string_search.nit:114 */
+  /* ../lib/standard/string_search.nit:114 */
   CALL_standard___string_search___BM_Pattern___compute_gs(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./../lib/standard//string_search.nit:115 */
+  /* ../lib/standard/string_search.nit:115 */
   CALL_standard___string_search___BM_Pattern___compute_bc(fra.me.REG[0])(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   init_table[itpos0] = 1;
   return;
 }
+static const char LOCATE_standard___string_search___BM_Pattern___bc[] = "string_search::BM_Pattern::bc";
 val_t standard___string_search___BM_Pattern___bc(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -504,11 +562,12 @@ val_t standard___string_search___BM_Pattern___bc(val_t p0, val_t p1){
   fra.me.meth = LOCATE_standard___string_search___BM_Pattern___bc;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   REGB0 = p1;
-  /* ./../lib/standard//string_search.nit:126 */
+  /* ../lib/standard/string_search.nit:126 */
   REGB1 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____bc_table(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
@@ -517,7 +576,7 @@ val_t standard___string_search___BM_Pattern___bc(val_t p0, val_t p1){
   fra.me.REG[1] = ATTR_standard___string_search___BM_Pattern____bc_table(fra.me.REG[0]);
   REGB1 = CALL_standard___collection___abstract_collection___MapRead___has_key(fra.me.REG[1])(fra.me.REG[1], REGB0);
   if (UNTAG_Bool(REGB1)) {
-    /* ./../lib/standard//string_search.nit:127 */
+    /* ../lib/standard/string_search.nit:127 */
     REGB1 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____bc_table(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
@@ -528,7 +587,7 @@ val_t standard___string_search___BM_Pattern___bc(val_t p0, val_t p1){
     REGB0 = fra.me.REG[1];
     goto label1;
   } else {
-    /* ./../lib/standard//string_search.nit:129 */
+    /* ../lib/standard/string_search.nit:129 */
     REGB1 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
@@ -542,6 +601,7 @@ val_t standard___string_search___BM_Pattern___bc(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_standard___string_search___BM_Pattern___compute_bc[] = "string_search::BM_Pattern::compute_bc";
 void standard___string_search___BM_Pattern___compute_bc(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -556,59 +616,65 @@ void standard___string_search___BM_Pattern___compute_bc(val_t p0){
   fra.me.meth = LOCATE_standard___string_search___BM_Pattern___compute_bc;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//string_search.nit:141 */
+  /* ../lib/standard/string_search.nit:141 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_motif", LOCATE_standard___string_search, 141);
   }
   fra.me.REG[1] = ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0]);
-  /* ./../lib/standard//string_search.nit:142 */
+  /* ../lib/standard/string_search.nit:142 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string_search, 142);
   }
   REGB0 = ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0]);
-  /* ./../lib/standard//string_search.nit:143 */
+  /* ../lib/standard/string_search.nit:143 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//string_search.nit:144 */
+  /* ../lib/standard/string_search.nit:144 */
   while(1) {
     REGB2 = TAG_Int(1);
-    /* ./../lib/standard//kernel.nit:220 */
+    /* ../lib/standard/kernel.nit:247 */
     REGB2 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB2));
-    /* ./../lib/standard//kernel.nit:215 */
+    REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB3)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:242 */
     REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
-    /* ./../lib/standard//string_search.nit:144 */
+    /* ../lib/standard/string_search.nit:144 */
     if (UNTAG_Bool(REGB2)) {
-      /* ./../lib/standard//string_search.nit:145 */
+      /* ../lib/standard/string_search.nit:145 */
       REGB2 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____bc_table(fra.me.REG[0])!=NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
       } else {
         nit_abort("Uninitialized attribute %s", "_bc_table", LOCATE_standard___string_search, 145);
       }
       fra.me.REG[2] = ATTR_standard___string_search___BM_Pattern____bc_table(fra.me.REG[0]);
-      REGB2 = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB1);
-      /* ./../lib/standard//kernel.nit:220 */
+      REGB2 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB1);
+      /* ../lib/standard/kernel.nit:247 */
       REGB3 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
-      /* ./../lib/standard//string_search.nit:145 */
+      /* ../lib/standard/string_search.nit:145 */
       REGB4 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:220 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB4 = TAG_Int(UNTAG_Int(REGB3)-UNTAG_Int(REGB4));
-      /* ./../lib/standard//string_search.nit:145 */
+      /* ../lib/standard/string_search.nit:145 */
       CALL_standard___collection___abstract_collection___Map_____braeq(fra.me.REG[2])(fra.me.REG[2], REGB2, REGB4);
-      /* ./../lib/standard//string_search.nit:146 */
+      /* ../lib/standard/string_search.nit:146 */
       REGB4 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:218 */
+      /* ../lib/standard/kernel.nit:245 */
       REGB4 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB4));
-      /* ./../lib/standard//string_search.nit:146 */
+      /* ../lib/standard/string_search.nit:146 */
       REGB1 = REGB4;
     } else {
-      /* ./../lib/standard//string_search.nit:144 */
+      /* ../lib/standard/string_search.nit:144 */
       goto label1;
     }
   }
@@ -616,6 +682,7 @@ void standard___string_search___BM_Pattern___compute_bc(val_t p0){
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_standard___string_search___BM_Pattern___suffixes[] = "string_search::BM_Pattern::suffixes";
 val_t standard___string_search___BM_Pattern___suffixes(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -632,222 +699,269 @@ val_t standard___string_search___BM_Pattern___suffixes(val_t p0){
   fra.me.meth = LOCATE_standard___string_search___BM_Pattern___suffixes;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//string_search.nit:152 */
+  /* ../lib/standard/string_search.nit:152 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_motif", LOCATE_standard___string_search, 152);
   }
   fra.me.REG[1] = ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0]);
-  /* ./../lib/standard//string_search.nit:153 */
+  /* ../lib/standard/string_search.nit:153 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string_search, 153);
   }
   REGB0 = ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0]);
-  /* ./../lib/standard//string_search.nit:154 */
+  /* ../lib/standard/string_search.nit:154 */
   fra.me.REG[0] = NEW_Array_standard___collection___array___Array___filled_with(REGB0, REGB0);
-  /* ./../lib/standard//string_search.nit:156 */
+  /* ../lib/standard/string_search.nit:156 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//string_search.nit:157 */
+  /* ../lib/standard/string_search.nit:157 */
   REGB2 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:220 */
+  /* ../lib/standard/kernel.nit:247 */
   REGB2 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB2));
-  /* ./../lib/standard//string_search.nit:158 */
+  /* ../lib/standard/string_search.nit:158 */
   REGB3 = TAG_Int(2);
-  /* ./../lib/standard//kernel.nit:220 */
+  /* ../lib/standard/kernel.nit:247 */
   REGB3 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB3));
-  /* ./../lib/standard//string_search.nit:159 */
+  /* ../lib/standard/string_search.nit:159 */
   while(1) {
     REGB4 = TAG_Int(0);
-    /* ./../lib/standard//kernel.nit:216 */
+    REGB5 = TAG_Bool(VAL_ISA(REGB4, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB5)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:243 */
     REGB4 = TAG_Bool(UNTAG_Int(REGB3)>=UNTAG_Int(REGB4));
-    /* ./../lib/standard//string_search.nit:159 */
+    /* ../lib/standard/string_search.nit:159 */
     if (UNTAG_Bool(REGB4)) {
-      /* ./../lib/standard//kernel.nit:217 */
+      REGB4 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
+      if (UNTAG_Bool(REGB4)) {
+      } else {
+        nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+      }
+      /* ../lib/standard/kernel.nit:244 */
       REGB4 = TAG_Bool(UNTAG_Int(REGB3)>UNTAG_Int(REGB2));
-      /* ./../lib/standard//string_search.nit:160 */
+      /* ../lib/standard/string_search.nit:160 */
       if (UNTAG_Bool(REGB4)) {
-        /* ./../lib/standard//kernel.nit:218 */
+        /* ../lib/standard/kernel.nit:245 */
         REGB4 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB0));
-        /* ./../lib/standard//string_search.nit:160 */
+        /* ../lib/standard/string_search.nit:160 */
         REGB5 = TAG_Int(1);
-        /* ./../lib/standard//kernel.nit:220 */
+        /* ../lib/standard/kernel.nit:247 */
         REGB5 = TAG_Int(UNTAG_Int(REGB4)-UNTAG_Int(REGB5));
         REGB5 = TAG_Int(UNTAG_Int(REGB5)-UNTAG_Int(REGB1));
-        /* ./../lib/standard//collection//array.nit:243 */
+        /* ../lib/standard/collection/array.nit:279 */
         fra.me.REG[2] = fra.me.REG[0];
-        /* ./../lib/standard//collection//array.nit:245 */
+        /* ../lib/standard/collection/array.nit:281 */
         REGB4 = TAG_Int(0);
-        /* ./../lib/standard//kernel.nit:216 */
+        REGB6 = TAG_Bool(VAL_ISA(REGB4, VTCOLOR_standard___kernel___Comparable___OTHER(REGB5), VTID_standard___kernel___Comparable___OTHER(REGB5))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB6)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ../lib/standard/kernel.nit:243 */
         REGB4 = TAG_Bool(UNTAG_Int(REGB5)>=UNTAG_Int(REGB4));
-        /* ./../lib/standard//collection//array.nit:245 */
+        /* ../lib/standard/collection/array.nit:281 */
         if (UNTAG_Bool(REGB4)) {
           REGB4 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
           if (UNTAG_Bool(REGB4)) {
           } else {
-            nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 245);
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 281);
           }
           REGB4 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
-          /* ./../lib/standard//kernel.nit:215 */
+          REGB6 = TAG_Bool(VAL_ISA(REGB4, VTCOLOR_standard___kernel___Comparable___OTHER(REGB5), VTID_standard___kernel___Comparable___OTHER(REGB5))) /*cast OTHER*/;
+          if (UNTAG_Bool(REGB6)) {
+          } else {
+            nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+          }
+          /* ../lib/standard/kernel.nit:242 */
           REGB4 = TAG_Bool(UNTAG_Int(REGB5)<UNTAG_Int(REGB4));
         } else {
-          /* ./../lib/standard//collection//array.nit:245 */
-          REGB6 = TAG_Bool(false);
+          /* ../lib/standard/collection/array.nit:281 */
+          REGB6 = TAG_Bool(0);
           REGB4 = REGB6;
         }
         if (UNTAG_Bool(REGB4)) {
         } else {
-          nit_abort("Assert %s  failed", "'index'", LOCATE_standard___collection___array, 245);
+          nit_abort("Assert '%s' failed", "index", LOCATE_standard___collection___array, 281);
         }
-        /* ./../lib/standard//collection//array.nit:246 */
+        /* ../lib/standard/collection/array.nit:282 */
         fra.me.REG[2] = ATTR_standard___collection___array___Array____items(fra.me.REG[2]);
         REGB4 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
         if (UNTAG_Bool(REGB4)) {
-          nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 246);
+          nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 282);
         }
-        /* ./../lib/standard//collection//array.nit:654 */
+        /* ../lib/standard/collection/array.nit:725 */
         fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB5)];
-        /* ./../lib/standard//collection//array.nit:246 */
+        /* ../lib/standard/collection/array.nit:282 */
         goto label1;
         label1: while(0);
-        /* ./../lib/standard//kernel.nit:220 */
+        /* ../lib/standard/kernel.nit:247 */
         REGB5 = TAG_Int(UNTAG_Int(REGB3)-UNTAG_Int(REGB2));
-        /* ./../lib/standard//string_search.nit:160 */
+        /* ../lib/standard/string_search.nit:160 */
         REGB4 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
         if (UNTAG_Bool(REGB4)) {
           nit_abort("Reciever is null", NULL, LOCATE_standard___string_search, 160);
         }
-        /* ./../lib/standard//kernel.nit:215 */
+        REGB4 = TAG_Bool(VAL_ISA(REGB5, VTCOLOR_standard___kernel___Comparable___OTHER(fra.me.REG[2]), VTID_standard___kernel___Comparable___OTHER(fra.me.REG[2]))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB4)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ../lib/standard/kernel.nit:242 */
         REGB5 = TAG_Bool(UNTAG_Int(fra.me.REG[2])<UNTAG_Int(REGB5));
       } else {
-        /* ./../lib/standard//string_search.nit:160 */
-        REGB4 = TAG_Bool(false);
+        /* ../lib/standard/string_search.nit:160 */
+        REGB4 = TAG_Bool(0);
         REGB5 = REGB4;
       }
       if (UNTAG_Bool(REGB5)) {
-        /* ./../lib/standard//kernel.nit:218 */
+        /* ../lib/standard/kernel.nit:245 */
         REGB5 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB0));
-        /* ./../lib/standard//string_search.nit:161 */
+        /* ../lib/standard/string_search.nit:161 */
         REGB4 = TAG_Int(1);
-        /* ./../lib/standard//kernel.nit:220 */
+        /* ../lib/standard/kernel.nit:247 */
         REGB4 = TAG_Int(UNTAG_Int(REGB5)-UNTAG_Int(REGB4));
         REGB4 = TAG_Int(UNTAG_Int(REGB4)-UNTAG_Int(REGB1));
-        /* ./../lib/standard//collection//array.nit:243 */
+        /* ../lib/standard/collection/array.nit:279 */
         fra.me.REG[2] = fra.me.REG[0];
-        /* ./../lib/standard//collection//array.nit:245 */
+        /* ../lib/standard/collection/array.nit:281 */
         REGB5 = TAG_Int(0);
-        /* ./../lib/standard//kernel.nit:216 */
+        REGB6 = TAG_Bool(VAL_ISA(REGB5, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB6)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ../lib/standard/kernel.nit:243 */
         REGB5 = TAG_Bool(UNTAG_Int(REGB4)>=UNTAG_Int(REGB5));
-        /* ./../lib/standard//collection//array.nit:245 */
+        /* ../lib/standard/collection/array.nit:281 */
         if (UNTAG_Bool(REGB5)) {
           REGB5 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
           if (UNTAG_Bool(REGB5)) {
           } else {
-            nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 245);
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 281);
           }
           REGB5 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
-          /* ./../lib/standard//kernel.nit:215 */
+          REGB6 = TAG_Bool(VAL_ISA(REGB5, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
+          if (UNTAG_Bool(REGB6)) {
+          } else {
+            nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+          }
+          /* ../lib/standard/kernel.nit:242 */
           REGB5 = TAG_Bool(UNTAG_Int(REGB4)<UNTAG_Int(REGB5));
         } else {
-          /* ./../lib/standard//collection//array.nit:245 */
-          REGB6 = TAG_Bool(false);
+          /* ../lib/standard/collection/array.nit:281 */
+          REGB6 = TAG_Bool(0);
           REGB5 = REGB6;
         }
         if (UNTAG_Bool(REGB5)) {
         } else {
-          nit_abort("Assert %s  failed", "'index'", LOCATE_standard___collection___array, 245);
+          nit_abort("Assert '%s' failed", "index", LOCATE_standard___collection___array, 281);
         }
-        /* ./../lib/standard//collection//array.nit:246 */
+        /* ../lib/standard/collection/array.nit:282 */
         fra.me.REG[2] = ATTR_standard___collection___array___Array____items(fra.me.REG[2]);
         REGB5 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
         if (UNTAG_Bool(REGB5)) {
-          nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 246);
+          nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 282);
         }
-        /* ./../lib/standard//collection//array.nit:654 */
+        /* ../lib/standard/collection/array.nit:725 */
         fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB4)];
-        /* ./../lib/standard//collection//array.nit:246 */
+        /* ../lib/standard/collection/array.nit:282 */
         goto label2;
         label2: while(0);
-        /* ./../lib/standard//string_search.nit:161 */
-        CALL_standard___collection___abstract_collection___Map_____braeq(fra.me.REG[0])(fra.me.REG[0], REGB3, fra.me.REG[2]);
+        /* ../lib/standard/string_search.nit:161 */
+        CALL_standard___collection___abstract_collection___Sequence_____braeq(fra.me.REG[0])(fra.me.REG[0], REGB3, fra.me.REG[2]);
       } else {
-        /* ./../lib/standard//kernel.nit:215 */
+        REGB4 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB4)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ../lib/standard/kernel.nit:242 */
         REGB4 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB2));
-        /* ./../lib/standard//string_search.nit:163 */
+        /* ../lib/standard/string_search.nit:163 */
         if (UNTAG_Bool(REGB4)) {
           REGB2 = REGB3;
         }
-        /* ./../lib/standard//string_search.nit:164 */
+        /* ../lib/standard/string_search.nit:164 */
         REGB1 = REGB3;
-        /* ./../lib/standard//string_search.nit:165 */
+        /* ../lib/standard/string_search.nit:165 */
         while(1) {
           REGB4 = TAG_Int(0);
-          /* ./../lib/standard//kernel.nit:216 */
+          REGB5 = TAG_Bool(VAL_ISA(REGB4, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
+          if (UNTAG_Bool(REGB5)) {
+          } else {
+            nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+          }
+          /* ../lib/standard/kernel.nit:243 */
           REGB4 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB4));
-          /* ./../lib/standard//string_search.nit:165 */
+          /* ../lib/standard/string_search.nit:165 */
           if (UNTAG_Bool(REGB4)) {
-            REGB4 = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB2);
-            /* ./../lib/standard//kernel.nit:218 */
+            REGB4 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB2);
+            /* ../lib/standard/kernel.nit:245 */
             REGB5 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB0));
-            /* ./../lib/standard//string_search.nit:165 */
+            /* ../lib/standard/string_search.nit:165 */
             REGB6 = TAG_Int(1);
-            /* ./../lib/standard//kernel.nit:220 */
+            /* ../lib/standard/kernel.nit:247 */
             REGB6 = TAG_Int(UNTAG_Int(REGB5)-UNTAG_Int(REGB6));
             REGB6 = TAG_Int(UNTAG_Int(REGB6)-UNTAG_Int(REGB1));
-            /* ./../lib/standard//string_search.nit:165 */
-            REGB6 = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB6);
+            /* ../lib/standard/string_search.nit:165 */
+            REGB6 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB6);
             REGB5 = TAG_Bool(IS_EQUAL_OO(REGB4,REGB6));
             if (UNTAG_Bool(REGB5)) {
             } else {
-              /* ./../lib/standard//kernel.nit:350 */
+              /* ../lib/standard/kernel.nit:434 */
               REGB6 = TAG_Bool((REGB4)==(REGB6));
-              /* ./../lib/standard//string_search.nit:165 */
+              /* ../lib/standard/string_search.nit:165 */
               REGB5 = REGB6;
             }
           } else {
-            REGB6 = TAG_Bool(false);
+            REGB6 = TAG_Bool(0);
             REGB5 = REGB6;
           }
           if (UNTAG_Bool(REGB5)) {
             REGB5 = TAG_Int(1);
-            /* ./../lib/standard//kernel.nit:220 */
+            /* ../lib/standard/kernel.nit:247 */
             REGB5 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(REGB5));
-            /* ./../lib/standard//string_search.nit:165 */
+            /* ../lib/standard/string_search.nit:165 */
             REGB2 = REGB5;
           } else {
             goto label3;
           }
         }
         label3: while(0);
-        /* ./../lib/standard//kernel.nit:220 */
+        /* ../lib/standard/kernel.nit:247 */
         REGB5 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB2));
-        /* ./../lib/standard//string_search.nit:166 */
-        CALL_standard___collection___abstract_collection___Map_____braeq(fra.me.REG[0])(fra.me.REG[0], REGB3, REGB5);
+        /* ../lib/standard/string_search.nit:166 */
+        CALL_standard___collection___abstract_collection___Sequence_____braeq(fra.me.REG[0])(fra.me.REG[0], REGB3, REGB5);
       }
-      /* ./../lib/standard//string_search.nit:168 */
+      /* ../lib/standard/string_search.nit:168 */
       REGB5 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:220 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB5 = TAG_Int(UNTAG_Int(REGB3)-UNTAG_Int(REGB5));
-      /* ./../lib/standard//string_search.nit:168 */
+      /* ../lib/standard/string_search.nit:168 */
       REGB3 = REGB5;
     } else {
-      /* ./../lib/standard//string_search.nit:159 */
+      /* ../lib/standard/string_search.nit:159 */
       goto label4;
     }
   }
   label4: while(0);
-  /* ./../lib/standard//string_search.nit:170 */
+  /* ../lib/standard/string_search.nit:170 */
   goto label5;
   label5: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_standard___string_search___BM_Pattern___compute_gs[] = "string_search::BM_Pattern::compute_gs";
 void standard___string_search___BM_Pattern___compute_gs(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -864,212 +978,248 @@ void standard___string_search___BM_Pattern___compute_gs(val_t p0){
   fra.me.meth = LOCATE_standard___string_search___BM_Pattern___compute_gs;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//string_search.nit:175 */
+  /* ../lib/standard/string_search.nit:175 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_motif", LOCATE_standard___string_search, 175);
   }
   fra.me.REG[1] = ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0]);
-  /* ./../lib/standard//string_search.nit:176 */
+  /* ../lib/standard/string_search.nit:176 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string_search, 176);
   }
   REGB0 = ATTR_standard___string_search___BM_Pattern____length(fra.me.REG[0]);
-  /* ./../lib/standard//string_search.nit:177 */
+  /* ../lib/standard/string_search.nit:177 */
   fra.me.REG[1] = CALL_standard___string_search___BM_Pattern___suffixes(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./../lib/standard//string_search.nit:178 */
+  /* ../lib/standard/string_search.nit:178 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//string_search.nit:179 */
+  /* ../lib/standard/string_search.nit:179 */
   while(1) {
-    /* ./../lib/standard//kernel.nit:215 */
+    REGB2 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:242 */
     REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
-    /* ./../lib/standard//string_search.nit:179 */
+    /* ../lib/standard/string_search.nit:179 */
     if (UNTAG_Bool(REGB2)) {
-      /* ./../lib/standard//string_search.nit:180 */
+      /* ../lib/standard/string_search.nit:180 */
       REGB2 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____gs(fra.me.REG[0])!=NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
       } else {
         nit_abort("Uninitialized attribute %s", "_gs", LOCATE_standard___string_search, 180);
       }
       fra.me.REG[2] = ATTR_standard___string_search___BM_Pattern____gs(fra.me.REG[0]);
-      CALL_standard___collection___abstract_collection___Map_____braeq(fra.me.REG[2])(fra.me.REG[2], REGB1, REGB0);
-      /* ./../lib/standard//string_search.nit:181 */
+      CALL_standard___collection___abstract_collection___Sequence_____braeq(fra.me.REG[2])(fra.me.REG[2], REGB1, REGB0);
+      /* ../lib/standard/string_search.nit:181 */
       REGB2 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:218 */
+      /* ../lib/standard/kernel.nit:245 */
       REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
-      /* ./../lib/standard//string_search.nit:181 */
+      /* ../lib/standard/string_search.nit:181 */
       REGB1 = REGB2;
     } else {
-      /* ./../lib/standard//string_search.nit:179 */
+      /* ../lib/standard/string_search.nit:179 */
       goto label1;
     }
   }
   label1: while(0);
-  /* ./../lib/standard//string_search.nit:183 */
+  /* ../lib/standard/string_search.nit:183 */
   REGB2 = TAG_Int(0);
-  /* ./../lib/standard//string_search.nit:184 */
+  /* ../lib/standard/string_search.nit:184 */
   REGB3 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:220 */
+  /* ../lib/standard/kernel.nit:247 */
   REGB3 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB3));
-  /* ./../lib/standard//string_search.nit:184 */
+  /* ../lib/standard/string_search.nit:184 */
   REGB1 = REGB3;
-  /* ./../lib/standard//string_search.nit:185 */
+  /* ../lib/standard/string_search.nit:185 */
   while(1) {
     REGB3 = TAG_Int(1);
-    /* ./../lib/standard//kernel.nit:219 */
+    /* ../lib/standard/kernel.nit:246 */
     REGB3 = TAG_Int(-UNTAG_Int(REGB3));
-    /* ./../lib/standard//kernel.nit:216 */
+    REGB4 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB4)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:243 */
     REGB3 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB3));
-    /* ./../lib/standard//string_search.nit:185 */
+    /* ../lib/standard/string_search.nit:185 */
     if (UNTAG_Bool(REGB3)) {
-      /* ./../lib/standard//string_search.nit:186 */
+      /* ../lib/standard/string_search.nit:186 */
       REGB3 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:219 */
+      /* ../lib/standard/kernel.nit:246 */
       REGB3 = TAG_Int(-UNTAG_Int(REGB3));
-      /* ./../lib/standard//string_search.nit:186 */
+      /* ../lib/standard/string_search.nit:186 */
       REGB4 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB3));
       if (UNTAG_Bool(REGB4)) {
       } else {
-        /* ./../lib/standard//kernel.nit:210 */
+        /* ../lib/standard/kernel.nit:237 */
         REGB3 = TAG_Bool((REGB1)==(REGB3));
-        /* ./../lib/standard//string_search.nit:186 */
+        /* ../lib/standard/string_search.nit:186 */
         REGB4 = REGB3;
       }
       if (UNTAG_Bool(REGB4)) {
-        REGB4 = TAG_Bool(true);
+        REGB4 = TAG_Bool(1);
       } else {
-        /* ./../lib/standard//collection//array.nit:243 */
+        /* ../lib/standard/collection/array.nit:279 */
         fra.me.REG[2] = fra.me.REG[1];
         REGB3 = REGB1;
-        /* ./../lib/standard//collection//array.nit:245 */
+        /* ../lib/standard/collection/array.nit:281 */
         REGB5 = TAG_Int(0);
-        /* ./../lib/standard//kernel.nit:216 */
+        REGB6 = TAG_Bool(VAL_ISA(REGB5, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB6)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ../lib/standard/kernel.nit:243 */
         REGB5 = TAG_Bool(UNTAG_Int(REGB3)>=UNTAG_Int(REGB5));
-        /* ./../lib/standard//collection//array.nit:245 */
+        /* ../lib/standard/collection/array.nit:281 */
         if (UNTAG_Bool(REGB5)) {
           REGB5 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
           if (UNTAG_Bool(REGB5)) {
           } else {
-            nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 245);
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 281);
           }
           REGB5 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
-          /* ./../lib/standard//kernel.nit:215 */
+          REGB6 = TAG_Bool(VAL_ISA(REGB5, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
+          if (UNTAG_Bool(REGB6)) {
+          } else {
+            nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+          }
+          /* ../lib/standard/kernel.nit:242 */
           REGB5 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB5));
         } else {
-          /* ./../lib/standard//collection//array.nit:245 */
-          REGB6 = TAG_Bool(false);
+          /* ../lib/standard/collection/array.nit:281 */
+          REGB6 = TAG_Bool(0);
           REGB5 = REGB6;
         }
         if (UNTAG_Bool(REGB5)) {
         } else {
-          nit_abort("Assert %s  failed", "'index'", LOCATE_standard___collection___array, 245);
+          nit_abort("Assert '%s' failed", "index", LOCATE_standard___collection___array, 281);
         }
-        /* ./../lib/standard//collection//array.nit:246 */
+        /* ../lib/standard/collection/array.nit:282 */
         fra.me.REG[2] = ATTR_standard___collection___array___Array____items(fra.me.REG[2]);
         REGB5 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
         if (UNTAG_Bool(REGB5)) {
-          nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 246);
+          nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 282);
         }
-        /* ./../lib/standard//collection//array.nit:654 */
+        /* ../lib/standard/collection/array.nit:725 */
         fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB3)];
-        /* ./../lib/standard//collection//array.nit:246 */
+        /* ../lib/standard/collection/array.nit:282 */
         goto label2;
         label2: while(0);
-        /* ./../lib/standard//string_search.nit:186 */
+        /* ../lib/standard/string_search.nit:186 */
         REGB3 = TAG_Int(1);
-        /* ./../lib/standard//kernel.nit:218 */
+        /* ../lib/standard/kernel.nit:245 */
         REGB3 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB3));
-        /* ./../lib/standard//string_search.nit:186 */
+        /* ../lib/standard/string_search.nit:186 */
         REGB5 = TAG_Bool(IS_EQUAL_ON(REGB3,fra.me.REG[2]));
         if (UNTAG_Bool(REGB5)) {
         } else {
           REGB6 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
           if (UNTAG_Bool(REGB6)) {
-            REGB6 = TAG_Bool(false);
+            REGB6 = TAG_Bool(0);
             REGB5 = REGB6;
           } else {
-            /* ./../lib/standard//kernel.nit:210 */
+            /* ../lib/standard/kernel.nit:237 */
             REGB3 = TAG_Bool((fra.me.REG[2])==(REGB3));
-            /* ./../lib/standard//string_search.nit:186 */
+            /* ../lib/standard/string_search.nit:186 */
             REGB5 = REGB3;
           }
         }
         REGB4 = REGB5;
       }
       if (UNTAG_Bool(REGB4)) {
-        /* ./../lib/standard//string_search.nit:187 */
+        /* ../lib/standard/string_search.nit:187 */
         while(1) {
           REGB4 = TAG_Int(1);
-          /* ./../lib/standard//kernel.nit:220 */
+          /* ../lib/standard/kernel.nit:247 */
           REGB4 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB4));
           REGB4 = TAG_Int(UNTAG_Int(REGB4)-UNTAG_Int(REGB1));
-          /* ./../lib/standard//kernel.nit:215 */
+          REGB5 = TAG_Bool(VAL_ISA(REGB4, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
+          if (UNTAG_Bool(REGB5)) {
+          } else {
+            nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+          }
+          /* ../lib/standard/kernel.nit:242 */
           REGB4 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB4));
-          /* ./../lib/standard//string_search.nit:187 */
+          /* ../lib/standard/string_search.nit:187 */
           if (UNTAG_Bool(REGB4)) {
-            /* ./../lib/standard//string_search.nit:188 */
+            /* ../lib/standard/string_search.nit:188 */
             REGB4 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____gs(fra.me.REG[0])!=NIT_NULL);
             if (UNTAG_Bool(REGB4)) {
             } else {
               nit_abort("Uninitialized attribute %s", "_gs", LOCATE_standard___string_search, 188);
             }
             fra.me.REG[2] = ATTR_standard___string_search___BM_Pattern____gs(fra.me.REG[0]);
-            /* ./../lib/standard//collection//array.nit:243 */
+            /* ../lib/standard/collection/array.nit:279 */
             REGB4 = REGB2;
-            /* ./../lib/standard//collection//array.nit:245 */
+            /* ../lib/standard/collection/array.nit:281 */
             REGB5 = TAG_Int(0);
-            /* ./../lib/standard//kernel.nit:216 */
+            REGB3 = TAG_Bool(VAL_ISA(REGB5, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
+            if (UNTAG_Bool(REGB3)) {
+            } else {
+              nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+            }
+            /* ../lib/standard/kernel.nit:243 */
             REGB5 = TAG_Bool(UNTAG_Int(REGB4)>=UNTAG_Int(REGB5));
-            /* ./../lib/standard//collection//array.nit:245 */
+            /* ../lib/standard/collection/array.nit:281 */
             if (UNTAG_Bool(REGB5)) {
               REGB5 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
               if (UNTAG_Bool(REGB5)) {
               } else {
-               nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 245);
+               nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 281);
               }
               REGB5 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[2]);
-              /* ./../lib/standard//kernel.nit:215 */
+              REGB3 = TAG_Bool(VAL_ISA(REGB5, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
+              if (UNTAG_Bool(REGB3)) {
+              } else {
+               nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+              }
+              /* ../lib/standard/kernel.nit:242 */
               REGB5 = TAG_Bool(UNTAG_Int(REGB4)<UNTAG_Int(REGB5));
             } else {
-              /* ./../lib/standard//collection//array.nit:245 */
-              REGB3 = TAG_Bool(false);
+              /* ../lib/standard/collection/array.nit:281 */
+              REGB3 = TAG_Bool(0);
               REGB5 = REGB3;
             }
             if (UNTAG_Bool(REGB5)) {
             } else {
-              nit_abort("Assert %s  failed", "'index'", LOCATE_standard___collection___array, 245);
+              nit_abort("Assert '%s' failed", "index", LOCATE_standard___collection___array, 281);
             }
-            /* ./../lib/standard//collection//array.nit:246 */
+            /* ../lib/standard/collection/array.nit:282 */
             fra.me.REG[2] = ATTR_standard___collection___array___Array____items(fra.me.REG[2]);
             REGB5 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
             if (UNTAG_Bool(REGB5)) {
-              nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 246);
+              nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 282);
             }
-            /* ./../lib/standard//collection//array.nit:654 */
+            /* ../lib/standard/collection/array.nit:725 */
             fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB4)];
-            /* ./../lib/standard//collection//array.nit:246 */
+            /* ../lib/standard/collection/array.nit:282 */
             goto label3;
             label3: while(0);
-            /* ./../lib/standard//string_search.nit:188 */
+            /* ../lib/standard/string_search.nit:188 */
             REGB4 = TAG_Bool(IS_EQUAL_ON(REGB0,fra.me.REG[2]));
             if (UNTAG_Bool(REGB4)) {
             } else {
               REGB5 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
               if (UNTAG_Bool(REGB5)) {
-               REGB5 = TAG_Bool(false);
+               REGB5 = TAG_Bool(0);
                REGB4 = REGB5;
               } else {
-               /* ./../lib/standard//kernel.nit:210 */
+               /* ../lib/standard/kernel.nit:237 */
                REGB5 = TAG_Bool((fra.me.REG[2])==(REGB0));
-               /* ./../lib/standard//string_search.nit:188 */
+               /* ../lib/standard/string_search.nit:188 */
                REGB4 = REGB5;
               }
             }
@@ -1081,50 +1231,55 @@ void standard___string_search___BM_Pattern___compute_gs(val_t p0){
               }
               fra.me.REG[2] = ATTR_standard___string_search___BM_Pattern____gs(fra.me.REG[0]);
               REGB4 = TAG_Int(1);
-              /* ./../lib/standard//kernel.nit:220 */
+              /* ../lib/standard/kernel.nit:247 */
               REGB4 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB4));
               REGB4 = TAG_Int(UNTAG_Int(REGB4)-UNTAG_Int(REGB1));
-              /* ./../lib/standard//string_search.nit:188 */
-              CALL_standard___collection___abstract_collection___Map_____braeq(fra.me.REG[2])(fra.me.REG[2], REGB2, REGB4);
+              /* ../lib/standard/string_search.nit:188 */
+              CALL_standard___collection___abstract_collection___Sequence_____braeq(fra.me.REG[2])(fra.me.REG[2], REGB2, REGB4);
             }
-            /* ./../lib/standard//string_search.nit:189 */
+            /* ../lib/standard/string_search.nit:189 */
             REGB4 = TAG_Int(1);
-            /* ./../lib/standard//kernel.nit:218 */
+            /* ../lib/standard/kernel.nit:245 */
             REGB4 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB4));
-            /* ./../lib/standard//string_search.nit:189 */
+            /* ../lib/standard/string_search.nit:189 */
             REGB2 = REGB4;
           } else {
-            /* ./../lib/standard//string_search.nit:187 */
+            /* ../lib/standard/string_search.nit:187 */
             goto label4;
           }
         }
         label4: while(0);
       }
-      /* ./../lib/standard//string_search.nit:192 */
+      /* ../lib/standard/string_search.nit:192 */
       REGB4 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:220 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB4 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB4));
-      /* ./../lib/standard//string_search.nit:192 */
+      /* ../lib/standard/string_search.nit:192 */
       REGB1 = REGB4;
     } else {
-      /* ./../lib/standard//string_search.nit:185 */
+      /* ../lib/standard/string_search.nit:185 */
       goto label5;
     }
   }
   label5: while(0);
-  /* ./../lib/standard//string_search.nit:194 */
+  /* ../lib/standard/string_search.nit:194 */
   REGB2 = TAG_Int(0);
   REGB1 = REGB2;
-  /* ./../lib/standard//string_search.nit:195 */
+  /* ../lib/standard/string_search.nit:195 */
   while(1) {
     REGB2 = TAG_Int(1);
-    /* ./../lib/standard//kernel.nit:220 */
+    /* ../lib/standard/kernel.nit:247 */
     REGB2 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB2));
-    /* ./../lib/standard//kernel.nit:215 */
+    REGB4 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB4)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:242 */
     REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
-    /* ./../lib/standard//string_search.nit:195 */
+    /* ../lib/standard/string_search.nit:195 */
     if (UNTAG_Bool(REGB2)) {
-      /* ./../lib/standard//string_search.nit:196 */
+      /* ../lib/standard/string_search.nit:196 */
       REGB2 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____gs(fra.me.REG[0])!=NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
       } else {
@@ -1132,62 +1287,72 @@ void standard___string_search___BM_Pattern___compute_gs(val_t p0){
       }
       fra.me.REG[2] = ATTR_standard___string_search___BM_Pattern____gs(fra.me.REG[0]);
       REGB2 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:220 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB2 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB2));
-      /* ./../lib/standard//collection//array.nit:243 */
+      /* ../lib/standard/collection/array.nit:279 */
       fra.me.REG[3] = fra.me.REG[1];
       REGB4 = REGB1;
-      /* ./../lib/standard//collection//array.nit:245 */
+      /* ../lib/standard/collection/array.nit:281 */
       REGB5 = TAG_Int(0);
-      /* ./../lib/standard//kernel.nit:216 */
+      REGB3 = TAG_Bool(VAL_ISA(REGB5, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
+      if (UNTAG_Bool(REGB3)) {
+      } else {
+        nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+      }
+      /* ../lib/standard/kernel.nit:243 */
       REGB5 = TAG_Bool(UNTAG_Int(REGB4)>=UNTAG_Int(REGB5));
-      /* ./../lib/standard//collection//array.nit:245 */
+      /* ../lib/standard/collection/array.nit:281 */
       if (UNTAG_Bool(REGB5)) {
         REGB5 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
         if (UNTAG_Bool(REGB5)) {
         } else {
-          nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 245);
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 281);
         }
         REGB5 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[3]);
-        /* ./../lib/standard//kernel.nit:215 */
+        REGB3 = TAG_Bool(VAL_ISA(REGB5, VTCOLOR_standard___kernel___Comparable___OTHER(REGB4), VTID_standard___kernel___Comparable___OTHER(REGB4))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB3)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ../lib/standard/kernel.nit:242 */
         REGB5 = TAG_Bool(UNTAG_Int(REGB4)<UNTAG_Int(REGB5));
       } else {
-        /* ./../lib/standard//collection//array.nit:245 */
-        REGB3 = TAG_Bool(false);
+        /* ../lib/standard/collection/array.nit:281 */
+        REGB3 = TAG_Bool(0);
         REGB5 = REGB3;
       }
       if (UNTAG_Bool(REGB5)) {
       } else {
-        nit_abort("Assert %s  failed", "'index'", LOCATE_standard___collection___array, 245);
+        nit_abort("Assert '%s' failed", "index", LOCATE_standard___collection___array, 281);
       }
-      /* ./../lib/standard//collection//array.nit:246 */
+      /* ../lib/standard/collection/array.nit:282 */
       fra.me.REG[3] = ATTR_standard___collection___array___Array____items(fra.me.REG[3]);
       REGB5 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
       if (UNTAG_Bool(REGB5)) {
-        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 246);
+        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 282);
       }
-      /* ./../lib/standard//collection//array.nit:654 */
+      /* ../lib/standard/collection/array.nit:725 */
       fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[3])->val[UNTAG_Int(REGB4)];
-      /* ./../lib/standard//collection//array.nit:246 */
+      /* ../lib/standard/collection/array.nit:282 */
       goto label6;
       label6: while(0);
-      /* ./../lib/standard//kernel.nit:220 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB2 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(fra.me.REG[3]));
-      /* ./../lib/standard//string_search.nit:196 */
+      /* ../lib/standard/string_search.nit:196 */
       REGB4 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:220 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB4 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB4));
       REGB4 = TAG_Int(UNTAG_Int(REGB4)-UNTAG_Int(REGB1));
-      /* ./../lib/standard//string_search.nit:196 */
-      CALL_standard___collection___abstract_collection___Map_____braeq(fra.me.REG[2])(fra.me.REG[2], REGB2, REGB4);
-      /* ./../lib/standard//string_search.nit:197 */
+      /* ../lib/standard/string_search.nit:196 */
+      CALL_standard___collection___abstract_collection___Sequence_____braeq(fra.me.REG[2])(fra.me.REG[2], REGB2, REGB4);
+      /* ../lib/standard/string_search.nit:197 */
       REGB4 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:218 */
+      /* ../lib/standard/kernel.nit:245 */
       REGB4 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB4));
-      /* ./../lib/standard//string_search.nit:197 */
+      /* ../lib/standard/string_search.nit:197 */
       REGB1 = REGB4;
     } else {
-      /* ./../lib/standard//string_search.nit:195 */
+      /* ../lib/standard/string_search.nit:195 */
       goto label7;
     }
   }
@@ -1195,72 +1360,153 @@ void standard___string_search___BM_Pattern___compute_gs(val_t p0){
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_standard___string_search___BM_Pattern___hash[] = "string_search::BM_Pattern::(hash::Object::hash)";
+val_t standard___string_search___BM_Pattern___hash(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_standard___string_search;
+  fra.me.line = 201;
+  fra.me.meth = LOCATE_standard___string_search___BM_Pattern___hash;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ../lib/standard/string_search.nit:201 */
+  REGB0 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_motif", LOCATE_standard___string_search, 201);
+  }
+  fra.me.REG[0] = ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0]);
+  REGB0 = CALL_standard___hash___Object___hash(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+static const char LOCATE_standard___string_search___BM_Pattern_____eqeq[] = "string_search::BM_Pattern::(kernel::Object::==)";
+val_t standard___string_search___BM_Pattern_____eqeq(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 tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_standard___string_search;
+  fra.me.line = 202;
+  fra.me.meth = LOCATE_standard___string_search___BM_Pattern_____eqeq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ../lib/standard/string_search.nit:202 */
+  REGB0 = TAG_Bool((fra.me.REG[1]!=NIT_NULL) && VAL_ISA(fra.me.REG[1], COLOR_standard___string_search___BM_Pattern, ID_standard___string_search___BM_Pattern)) /*cast BM_Pattern*/;
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[1])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_motif", LOCATE_standard___string_search, 202);
+    }
+    fra.me.REG[1] = ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[1]);
+    REGB0 = TAG_Bool(ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_motif", LOCATE_standard___string_search, 202);
+    }
+    fra.me.REG[0] = ATTR_standard___string_search___BM_Pattern____motif(fra.me.REG[0]);
+    REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[0]));
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+      REGB0 = REGB1;
+    }
+  } else {
+    REGB1 = TAG_Bool(0);
+    REGB0 = REGB1;
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+static const char LOCATE_standard___string_search___Match___string[] = "string_search::Match::string";
 val_t standard___string_search___Match___string(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_standard___string_search;
-  fra.me.line = 204;
+  fra.me.line = 207;
   fra.me.meth = LOCATE_standard___string_search___Match___string;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//string_search.nit:204 */
+  /* ../lib/standard/string_search.nit:207 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___Match____string(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_string", LOCATE_standard___string_search, 204);
+    nit_abort("Uninitialized attribute %s", "_string", LOCATE_standard___string_search, 207);
   }
   fra.me.REG[0] = ATTR_standard___string_search___Match____string(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_standard___string_search___Match___from[] = "string_search::Match::from";
 val_t standard___string_search___Match___from(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_standard___string_search;
-  fra.me.line = 207;
+  fra.me.line = 210;
   fra.me.meth = LOCATE_standard___string_search___Match___from;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//string_search.nit:207 */
+  /* ../lib/standard/string_search.nit:210 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___Match____from(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_from", LOCATE_standard___string_search, 207);
+    nit_abort("Uninitialized attribute %s", "_from", LOCATE_standard___string_search, 210);
   }
   REGB0 = ATTR_standard___string_search___Match____from(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_standard___string_search___Match___length[] = "string_search::Match::length";
 val_t standard___string_search___Match___length(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_standard___string_search;
-  fra.me.line = 210;
+  fra.me.line = 213;
   fra.me.meth = LOCATE_standard___string_search___Match___length;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//string_search.nit:210 */
+  /* ../lib/standard/string_search.nit:213 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___Match____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string_search, 210);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string_search, 213);
   }
   REGB0 = ATTR_standard___string_search___Match____length(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_standard___string_search___Match___after[] = "string_search::Match::after";
 val_t standard___string_search___Match___after(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1268,33 +1514,35 @@ val_t standard___string_search___Match___after(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 213;
+  fra.me.line = 216;
   fra.me.meth = LOCATE_standard___string_search___Match___after;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//string_search.nit:215 */
+  /* ../lib/standard/string_search.nit:218 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___Match____from(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_from", LOCATE_standard___string_search, 215);
+    nit_abort("Uninitialized attribute %s", "_from", LOCATE_standard___string_search, 218);
   }
   REGB0 = ATTR_standard___string_search___Match____from(fra.me.REG[0]);
   REGB1 = TAG_Bool(ATTR_standard___string_search___Match____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string_search, 215);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string_search, 218);
   }
   REGB1 = ATTR_standard___string_search___Match____length(fra.me.REG[0]);
-  /* ./../lib/standard//kernel.nit:218 */
+  /* ../lib/standard/kernel.nit:245 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
-  /* ./../lib/standard//string_search.nit:215 */
+  /* ../lib/standard/string_search.nit:218 */
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
+static const char LOCATE_standard___string_search___Match___to_s[] = "string_search::Match::(string::Object::to_s)";
 val_t standard___string_search___Match___to_s(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -1302,30 +1550,31 @@ val_t standard___string_search___Match___to_s(val_t p0){
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 217;
+  fra.me.line = 220;
   fra.me.meth = LOCATE_standard___string_search___Match___to_s;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//string_search.nit:218 */
+  /* ../lib/standard/string_search.nit:221 */
   REGB0 = TAG_Bool(ATTR_standard___string_search___Match____string(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_string", LOCATE_standard___string_search, 218);
+    nit_abort("Uninitialized attribute %s", "_string", LOCATE_standard___string_search, 221);
   }
   fra.me.REG[1] = ATTR_standard___string_search___Match____string(fra.me.REG[0]);
   REGB0 = TAG_Bool(ATTR_standard___string_search___Match____from(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_from", LOCATE_standard___string_search, 218);
+    nit_abort("Uninitialized attribute %s", "_from", LOCATE_standard___string_search, 221);
   }
   REGB0 = ATTR_standard___string_search___Match____from(fra.me.REG[0]);
   REGB1 = TAG_Bool(ATTR_standard___string_search___Match____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string_search, 218);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___string_search, 221);
   }
   REGB1 = ATTR_standard___string_search___Match____length(fra.me.REG[0]);
   fra.me.REG[1] = CALL_standard___string___AbstractString___substring(fra.me.REG[1])(fra.me.REG[1], REGB0, REGB1);
@@ -1334,6 +1583,7 @@ val_t standard___string_search___Match___to_s(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_standard___string_search___Match___init[] = "string_search::Match::init";
 void standard___string_search___Match___init(val_t p0, val_t p1, val_t p2, val_t p3, int* init_table){
   int itpos1 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_standard___string_search___Match].i;
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
@@ -1341,64 +1591,82 @@ void standard___string_search___Match___init(val_t p0, val_t p1, val_t p2, val_t
   val_t REGB1;
   val_t REGB2;
   val_t REGB3;
+  val_t REGB4;
   val_t tmp;
   if (init_table[itpos1]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 220;
+  fra.me.line = 223;
   fra.me.meth = LOCATE_standard___string_search___Match___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   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;
-  /* ./../lib/standard//string_search.nit:223 */
+  /* ../lib/standard/string_search.nit:226 */
   REGB2 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:216 */
+  REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+  if (UNTAG_Bool(REGB3)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+  }
+  /* ../lib/standard/kernel.nit:243 */
   REGB2 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB2));
-  /* ./../lib/standard//string_search.nit:223 */
+  /* ../lib/standard/string_search.nit:226 */
   if (UNTAG_Bool(REGB2)) {
   } else {
-    nit_abort("Assert %s  failed", "'positive_length'", LOCATE_standard___string_search, 223);
+    nit_abort("Assert '%s' failed", "positive_length", LOCATE_standard___string_search, 226);
   }
-  /* ./../lib/standard//string_search.nit:224 */
+  /* ../lib/standard/string_search.nit:227 */
   REGB2 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:216 */
+  REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+  if (UNTAG_Bool(REGB3)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+  }
+  /* ../lib/standard/kernel.nit:243 */
   REGB2 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB2));
-  /* ./../lib/standard//string_search.nit:224 */
+  /* ../lib/standard/string_search.nit:227 */
   if (UNTAG_Bool(REGB2)) {
   } else {
-    nit_abort("Assert %s  failed", "'valid_from'", LOCATE_standard___string_search, 224);
+    nit_abort("Assert '%s' failed", "valid_from", LOCATE_standard___string_search, 227);
   }
-  /* ./../lib/standard//kernel.nit:218 */
+  /* ../lib/standard/kernel.nit:245 */
   REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
-  /* ./../lib/standard//collection//array.nit:23 */
+  /* ../lib/standard/collection/array.nit:24 */
   REGB3 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   if (UNTAG_Bool(REGB3)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 23);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
   }
   REGB3 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
-  /* ./../lib/standard//kernel.nit:214 */
+  REGB4 = TAG_Bool(VAL_ISA(REGB3, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
+  if (UNTAG_Bool(REGB4)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+  }
+  /* ../lib/standard/kernel.nit:241 */
   REGB3 = TAG_Bool(UNTAG_Int(REGB2)<=UNTAG_Int(REGB3));
-  /* ./../lib/standard//string_search.nit:225 */
+  /* ../lib/standard/string_search.nit:228 */
   if (UNTAG_Bool(REGB3)) {
   } else {
-    nit_abort("Assert %s  failed", "'valid_after'", LOCATE_standard___string_search, 225);
+    nit_abort("Assert '%s' failed", "valid_after", LOCATE_standard___string_search, 228);
   }
-  /* ./../lib/standard//string_search.nit:226 */
+  /* ../lib/standard/string_search.nit:229 */
   ATTR_standard___string_search___Match____string(fra.me.REG[0]) = fra.me.REG[1];
-  /* ./../lib/standard//string_search.nit:227 */
+  /* ../lib/standard/string_search.nit:230 */
   ATTR_standard___string_search___Match____from(fra.me.REG[0]) = REGB0;
-  /* ./../lib/standard//string_search.nit:228 */
+  /* ../lib/standard/string_search.nit:231 */
   ATTR_standard___string_search___Match____length(fra.me.REG[0]) = REGB1;
   stack_frame_head = fra.me.prev;
   init_table[itpos1] = 1;
   return;
 }
+static const char LOCATE_standard___string_search___Char___search_index_in[] = "string_search::Char::(string_search::Pattern::search_index_in)";
 val_t standard___string_search___Char___search_index_in(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1409,93 +1677,107 @@ val_t standard___string_search___Char___search_index_in(val_t p0, val_t p1, val_
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 234;
+  fra.me.line = 238;
   fra.me.meth = LOCATE_standard___string_search___Char___search_index_in;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   REGB0 = p0;
   fra.me.REG[0] = p1;
   REGB1 = p2;
-  /* ./../lib/standard//collection//array.nit:23 */
+  /* ../lib/standard/collection/array.nit:24 */
   REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB2)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 23);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
   }
   REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
-  /* ./../lib/standard//string_search.nit:237 */
+  /* ../lib/standard/string_search.nit:241 */
   while(1) {
-    /* ./../lib/standard//kernel.nit:215 */
+    REGB3 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB3)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:242 */
     REGB3 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
-    /* ./../lib/standard//string_search.nit:237 */
+    /* ../lib/standard/string_search.nit:241 */
     if (UNTAG_Bool(REGB3)) {
-      /* ./../lib/standard//string_search.nit:238 */
-      REGB3 = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[0])(fra.me.REG[0], REGB1);
+      /* ../lib/standard/string_search.nit:242 */
+      REGB3 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[0])(fra.me.REG[0], REGB1);
       REGB4 = TAG_Bool(IS_EQUAL_OO(REGB3,REGB0));
       if (UNTAG_Bool(REGB4)) {
       } else {
-        /* ./../lib/standard//kernel.nit:350 */
+        /* ../lib/standard/kernel.nit:434 */
         REGB3 = TAG_Bool((REGB3)==(REGB0));
-        /* ./../lib/standard//string_search.nit:238 */
+        /* ../lib/standard/string_search.nit:242 */
         REGB4 = REGB3;
       }
       if (UNTAG_Bool(REGB4)) {
         REGB4 = REGB1;
         goto label1;
       }
-      /* ./../lib/standard//string_search.nit:239 */
+      /* ../lib/standard/string_search.nit:243 */
       REGB3 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:218 */
+      /* ../lib/standard/kernel.nit:245 */
       REGB3 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB3));
-      /* ./../lib/standard//string_search.nit:239 */
+      /* ../lib/standard/string_search.nit:243 */
       REGB1 = REGB3;
     } else {
-      /* ./../lib/standard//string_search.nit:237 */
+      /* ../lib/standard/string_search.nit:241 */
       goto label2;
     }
   }
   label2: while(0);
-  /* ./../lib/standard//string_search.nit:241 */
+  /* ../lib/standard/string_search.nit:245 */
   REGB1 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:219 */
+  /* ../lib/standard/kernel.nit:246 */
   REGB1 = TAG_Int(-UNTAG_Int(REGB1));
-  /* ./../lib/standard//string_search.nit:241 */
+  /* ../lib/standard/string_search.nit:245 */
   REGB4 = REGB1;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB4;
 }
+static const char LOCATE_standard___string_search___Char___search_in[] = "string_search::Char::(string_search::Pattern::search_in)";
 val_t standard___string_search___Char___search_in(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t REGB1;
+  val_t REGB2;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 244;
+  fra.me.line = 248;
   fra.me.meth = LOCATE_standard___string_search___Char___search_in;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   REGB0 = p0;
   fra.me.REG[0] = p1;
   REGB1 = p2;
-  /* ./../lib/standard//string_search.nit:246 */
+  /* ../lib/standard/string_search.nit:250 */
   REGB1 = CALL_standard___string_search___Pattern___search_index_in(REGB0)(REGB0, fra.me.REG[0], REGB1);
-  /* ./../lib/standard//string_search.nit:247 */
+  /* ../lib/standard/string_search.nit:251 */
   REGB0 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:215 */
+  REGB2 = TAG_Bool(VAL_ISA(REGB0, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+  }
+  /* ../lib/standard/kernel.nit:242 */
   REGB0 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
-  /* ./../lib/standard//string_search.nit:247 */
+  /* ../lib/standard/string_search.nit:251 */
   if (UNTAG_Bool(REGB0)) {
-    /* ./../lib/standard//string_search.nit:248 */
+    /* ../lib/standard/string_search.nit:252 */
     fra.me.REG[1] = NIT_NULL;
     goto label1;
   } else {
-    /* ./../lib/standard//string_search.nit:250 */
+    /* ../lib/standard/string_search.nit:254 */
     REGB0 = TAG_Int(1);
     fra.me.REG[0] = NEW_Match_standard___string_search___Match___init(fra.me.REG[0], REGB1, REGB0);
     fra.me.REG[1] = fra.me.REG[0];
@@ -1505,6 +1787,7 @@ val_t standard___string_search___Char___search_in(val_t p0, val_t p1, val_t p2){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_standard___string_search___String___search_index_in[] = "string_search::String::(string_search::Pattern::search_index_in)";
 val_t standard___string_search___String___search_index_in(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -1516,164 +1799,193 @@ val_t standard___string_search___String___search_index_in(val_t p0, val_t p1, va
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 257;
+  fra.me.line = 262;
   fra.me.meth = LOCATE_standard___string_search___String___search_index_in;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   REGB0 = p2;
-  /* ./../lib/standard//string_search.nit:259 */
+  /* ../lib/standard/string_search.nit:264 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:216 */
+  REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+  }
+  /* ../lib/standard/kernel.nit:243 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
-  /* ./../lib/standard//string_search.nit:259 */
+  /* ../lib/standard/string_search.nit:264 */
   if (UNTAG_Bool(REGB1)) {
   } else {
-    nit_abort("Assert failed", NULL, LOCATE_standard___string_search, 259);
+    nit_abort("Assert failed", NULL, LOCATE_standard___string_search, 264);
   }
-  /* ./../lib/standard//collection//array.nit:23 */
+  /* ../lib/standard/collection/array.nit:24 */
   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 23);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
   }
   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[1]);
   REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB2)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 23);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
   }
   REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
-  /* ./../lib/standard//kernel.nit:220 */
+  /* ../lib/standard/kernel.nit:247 */
   REGB2 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB2));
-  /* ./../lib/standard//string_search.nit:260 */
+  /* ../lib/standard/string_search.nit:265 */
   REGB1 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:218 */
+  /* ../lib/standard/kernel.nit:245 */
   REGB1 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB1));
-  /* ./../lib/standard//string_search.nit:261 */
+  /* ../lib/standard/string_search.nit:266 */
   while(1) {
-    /* ./../lib/standard//kernel.nit:215 */
+    REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:242 */
     REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-    /* ./../lib/standard//string_search.nit:261 */
+    /* ../lib/standard/string_search.nit:266 */
     if (UNTAG_Bool(REGB2)) {
-      /* ./../lib/standard//collection//array.nit:23 */
+      /* ../lib/standard/collection/array.nit:24 */
       REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
       } else {
-        nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 23);
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
       }
       REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
-      /* ./../lib/standard//string_search.nit:262 */
+      /* ../lib/standard/string_search.nit:267 */
       REGB3 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:220 */
+      /* ../lib/standard/kernel.nit:247 */
       REGB3 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(REGB3));
-      /* ./../lib/standard//string_search.nit:263 */
+      /* ../lib/standard/string_search.nit:268 */
       while(1) {
         REGB2 = TAG_Int(0);
-        /* ./../lib/standard//kernel.nit:216 */
+        REGB4 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
+        if (UNTAG_Bool(REGB4)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+        }
+        /* ../lib/standard/kernel.nit:243 */
         REGB2 = TAG_Bool(UNTAG_Int(REGB3)>=UNTAG_Int(REGB2));
-        /* ./../lib/standard//string_search.nit:263 */
+        /* ../lib/standard/string_search.nit:268 */
         if (UNTAG_Bool(REGB2)) {
-          REGB2 = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[0])(fra.me.REG[0], REGB3);
-          /* ./../lib/standard//kernel.nit:218 */
+          REGB2 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[0])(fra.me.REG[0], REGB3);
+          /* ../lib/standard/kernel.nit:245 */
           REGB4 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB0));
-          /* ./../lib/standard//string_search.nit:263 */
-          REGB4 = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB4);
+          /* ../lib/standard/string_search.nit:268 */
+          REGB4 = CALL_standard___collection___abstract_collection___SequenceRead_____bra(fra.me.REG[1])(fra.me.REG[1], REGB4);
           REGB5 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB4));
           if (UNTAG_Bool(REGB5)) {
           } else {
-            /* ./../lib/standard//kernel.nit:350 */
+            /* ../lib/standard/kernel.nit:434 */
             REGB4 = TAG_Bool((REGB2)==(REGB4));
-            /* ./../lib/standard//string_search.nit:263 */
+            /* ../lib/standard/string_search.nit:268 */
             REGB5 = REGB4;
           }
         } else {
-          REGB4 = TAG_Bool(false);
+          REGB4 = TAG_Bool(0);
           REGB5 = REGB4;
         }
         if (UNTAG_Bool(REGB5)) {
           REGB5 = TAG_Int(1);
-          /* ./../lib/standard//kernel.nit:220 */
+          /* ../lib/standard/kernel.nit:247 */
           REGB5 = TAG_Int(UNTAG_Int(REGB3)-UNTAG_Int(REGB5));
-          /* ./../lib/standard//string_search.nit:263 */
+          /* ../lib/standard/string_search.nit:268 */
           REGB3 = REGB5;
         } else {
           goto label1;
         }
       }
       label1: while(0);
-      /* ./../lib/standard//string_search.nit:265 */
+      /* ../lib/standard/string_search.nit:270 */
       REGB5 = TAG_Int(0);
-      /* ./../lib/standard//kernel.nit:215 */
+      REGB4 = TAG_Bool(VAL_ISA(REGB5, VTCOLOR_standard___kernel___Comparable___OTHER(REGB3), VTID_standard___kernel___Comparable___OTHER(REGB3))) /*cast OTHER*/;
+      if (UNTAG_Bool(REGB4)) {
+      } else {
+        nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+      }
+      /* ../lib/standard/kernel.nit:242 */
       REGB5 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB5));
-      /* ./../lib/standard//string_search.nit:265 */
+      /* ../lib/standard/string_search.nit:270 */
       if (UNTAG_Bool(REGB5)) {
         REGB5 = REGB0;
         goto label2;
       }
-      /* ./../lib/standard//string_search.nit:267 */
+      /* ../lib/standard/string_search.nit:272 */
       REGB3 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:218 */
+      /* ../lib/standard/kernel.nit:245 */
       REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB3));
-      /* ./../lib/standard//string_search.nit:267 */
+      /* ../lib/standard/string_search.nit:272 */
       REGB0 = REGB3;
     } else {
-      /* ./../lib/standard//string_search.nit:261 */
+      /* ../lib/standard/string_search.nit:266 */
       goto label3;
     }
   }
   label3: while(0);
-  /* ./../lib/standard//string_search.nit:269 */
+  /* ../lib/standard/string_search.nit:274 */
   REGB0 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:219 */
+  /* ../lib/standard/kernel.nit:246 */
   REGB0 = TAG_Int(-UNTAG_Int(REGB0));
-  /* ./../lib/standard//string_search.nit:269 */
+  /* ../lib/standard/string_search.nit:274 */
   REGB5 = REGB0;
   goto label2;
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return REGB5;
 }
+static const char LOCATE_standard___string_search___String___search_in[] = "string_search::String::(string_search::Pattern::search_in)";
 val_t standard___string_search___String___search_in(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
   val_t REGB1;
+  val_t REGB2;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 272;
+  fra.me.line = 277;
   fra.me.meth = LOCATE_standard___string_search___String___search_in;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   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 = p2;
-  /* ./../lib/standard//string_search.nit:274 */
+  /* ../lib/standard/string_search.nit:279 */
   REGB0 = CALL_standard___string_search___Pattern___search_index_in(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], REGB0);
-  /* ./../lib/standard//string_search.nit:275 */
+  /* ../lib/standard/string_search.nit:280 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:215 */
+  REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+  }
+  /* ../lib/standard/kernel.nit:242 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-  /* ./../lib/standard//string_search.nit:275 */
+  /* ../lib/standard/string_search.nit:280 */
   if (UNTAG_Bool(REGB1)) {
-    /* ./../lib/standard//string_search.nit:276 */
+    /* ../lib/standard/string_search.nit:281 */
     fra.me.REG[2] = NIT_NULL;
     goto label1;
   } else {
-    /* ./../lib/standard//collection//array.nit:23 */
+    /* ../lib/standard/collection/array.nit:24 */
     REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
-      nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 23);
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
     }
     REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
-    /* ./../lib/standard//string_search.nit:278 */
+    /* ../lib/standard/string_search.nit:283 */
     fra.me.REG[1] = NEW_Match_standard___string_search___Match___init(fra.me.REG[1], REGB0, REGB1);
     fra.me.REG[2] = fra.me.REG[1];
     goto label1;
@@ -1682,21 +1994,23 @@ val_t standard___string_search___String___search_in(val_t p0, val_t p1, val_t p2
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
+static const char LOCATE_standard___string_search___String___search[] = "string_search::String::search";
 val_t standard___string_search___String___search(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 282;
+  fra.me.line = 287;
   fra.me.meth = LOCATE_standard___string_search___String___search;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//string_search.nit:283 */
+  /* ../lib/standard/string_search.nit:288 */
   REGB0 = TAG_Int(0);
   fra.me.REG[0] = CALL_standard___string_search___Pattern___search_in(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], REGB0);
   goto label1;
@@ -1704,145 +2018,274 @@ val_t standard___string_search___String___search(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_standard___string_search___String___search_from[] = "string_search::String::search_from";
 val_t standard___string_search___String___search_from(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 285;
+  fra.me.line = 290;
   fra.me.meth = LOCATE_standard___string_search___String___search_from;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   REGB0 = p2;
-  /* ./../lib/standard//string_search.nit:288 */
+  /* ../lib/standard/string_search.nit:293 */
   fra.me.REG[0] = CALL_standard___string_search___Pattern___search_in(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], REGB0);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_standard___string_search___String___search_all[] = "string_search::String::search_all";
 val_t standard___string_search___String___search_all(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 290;
+  fra.me.line = 295;
   fra.me.meth = LOCATE_standard___string_search___String___search_all;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//string_search.nit:297 */
+  /* ../lib/standard/string_search.nit:302 */
   fra.me.REG[0] = CALL_standard___string_search___Pattern___search_all_in(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
-val_t standard___string_search___String___split_with(val_t p0, val_t p1){
+static const char LOCATE_standard___string_search___String___split[] = "string_search::String::split";
+val_t standard___string_search___String___split(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t REGB1;
+  val_t REGB2;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 299;
-  fra.me.meth = LOCATE_standard___string_search___String___split_with;
+  fra.me.line = 304;
+  fra.me.meth = LOCATE_standard___string_search___String___split;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[2] = NIT_NULL;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//string_search.nit:303 */
+  /* ../lib/standard/string_search.nit:309 */
   fra.me.REG[0] = CALL_standard___string_search___Pattern___split_in(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-  /* ./../lib/standard//collection//array.nit:23 */
+  /* ../lib/standard/collection/array.nit:24 */
   REGB0 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 23);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
   }
   REGB0 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
-  /* ./../lib/standard//string_search.nit:304 */
+  /* ../lib/standard/string_search.nit:310 */
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
-  /* ./../lib/standard//collection//array.nit:234 */
+  /* ../lib/standard/collection/array.nit:270 */
   REGB0 = TAG_Int(0);
-  /* ./../lib/standard//collection//array.nit:235 */
+  /* ../lib/standard/collection/array.nit:271 */
   REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 235);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 271);
   }
   REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
-  /* ./../lib/standard//collection//array.nit:236 */
+  /* ../lib/standard/collection/array.nit:272 */
   fra.me.REG[2] = ATTR_standard___collection___array___Array____items(fra.me.REG[0]);
-  /* ./../lib/standard//collection//array.nit:237 */
+  /* ../lib/standard/collection/array.nit:273 */
   while(1) {
-    /* ./../lib/standard//collection//array.nit:23 */
+    /* ../lib/standard/collection/array.nit:24 */
     REGB1 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
-      nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 23);
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 24);
     }
     REGB1 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[0]);
-    /* ./../lib/standard//kernel.nit:215 */
+    REGB2 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB0), VTID_standard___kernel___Comparable___OTHER(REGB0))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:242 */
     REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-    /* ./../lib/standard//collection//array.nit:237 */
+    /* ../lib/standard/collection/array.nit:273 */
     if (UNTAG_Bool(REGB1)) {
-      /* ./../lib/standard//collection//array.nit:238 */
+      /* ../lib/standard/collection/array.nit:274 */
       REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
       if (UNTAG_Bool(REGB1)) {
-        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 238);
+        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 274);
       }
-      /* ./../lib/standard//collection//array.nit:654 */
+      /* ../lib/standard/collection/array.nit:725 */
       fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[2])->val[UNTAG_Int(REGB0)];
-      /* ./../lib/standard//string_search.nit:305 */
+      /* ../lib/standard/string_search.nit:311 */
       fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
       CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
-      /* ./../lib/standard//collection//array.nit:239 */
+      /* ../lib/standard/collection/array.nit:275 */
       REGB1 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:218 */
+      /* ../lib/standard/kernel.nit:245 */
       REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
-      /* ./../lib/standard//collection//array.nit:239 */
+      /* ../lib/standard/collection/array.nit:275 */
       REGB0 = REGB1;
     } else {
-      /* ./../lib/standard//collection//array.nit:237 */
+      /* ../lib/standard/collection/array.nit:273 */
       goto label1;
     }
   }
   label1: while(0);
-  /* ./../lib/standard//string_search.nit:306 */
+  /* ../lib/standard/string_search.nit:312 */
   goto label2;
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
-val_t standard___string_search___String___split(val_t p0){
-  struct {struct stack_frame_t me;} fra;
-  val_t REGB0;
+static const char LOCATE_standard___string_search___String___split_with[] = "string_search::String::split_with";
+val_t standard___string_search___String___split_with(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_standard___string_search;
-  fra.me.line = 309;
-  fra.me.meth = LOCATE_standard___string_search___String___split;
+  fra.me.line = 315;
+  fra.me.meth = LOCATE_standard___string_search___String___split_with;
   fra.me.has_broke = 0;
-  fra.me.REG_size = 1;
+  fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ../lib/standard/string_search.nit:316 */
+  fra.me.REG[1] = CALL_standard___string_search___String___split(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+static const char LOCATE_standard___string_search___String___replace[] = "string_search::String::replace";
+val_t standard___string_search___String___replace(val_t p0, val_t p1, val_t p2){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_standard___string_search;
+  fra.me.line = 318;
+  fra.me.meth = LOCATE_standard___string_search___String___replace;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.nitni_local_ref_head = NULL;
   fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//string_search.nit:311 */
-  REGB0 = TAG_Char('\n');
-  fra.me.REG[0] = CALL_standard___string_search___String___split_with(fra.me.REG[0])(fra.me.REG[0], REGB0);
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  /* ../lib/standard/string_search.nit:324 */
+  fra.me.REG[1] = CALL_standard___string_search___String___split_with(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  fra.me.REG[2] = CALL_standard___string___Collection___join(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
+  return fra.me.REG[2];
+}
+static const char LOCATE_standard___string_search___String___html_escape[] = "string_search::String::html_escape";
+val_t standard___string_search___String___html_escape(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+    static val_t once_value_4; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_standard___string_search;
+  fra.me.line = 327;
+  fra.me.meth = LOCATE_standard___string_search___String___html_escape;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.nitni_local_ref_head = NULL;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ../lib/standard/string_search.nit:333 */
+  REGB0 = TAG_Char('&');
+  REGB0 = CALL_standard___collection___abstract_collection___Collection___has(fra.me.REG[0])(fra.me.REG[0], REGB0);
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Char('&');
+    if (!once_value_1) {
+      fra.me.REG[1] = BOX_NativeString("&amp;");
+      REGB1 = TAG_Int(5);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB1);
+      once_value_1 = fra.me.REG[1];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[1] = once_value_1;
+    fra.me.REG[1] = fra.me.REG[1];
+    fra.me.REG[1] = CALL_standard___string_search___String___replace(fra.me.REG[0])(fra.me.REG[0], REGB0, fra.me.REG[1]);
+    fra.me.REG[0] = fra.me.REG[1];
+  }
+  /* ../lib/standard/string_search.nit:334 */
+  REGB0 = TAG_Char('<');
+  REGB0 = CALL_standard___collection___abstract_collection___Collection___has(fra.me.REG[0])(fra.me.REG[0], REGB0);
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Char('<');
+    if (!once_value_2) {
+      fra.me.REG[1] = BOX_NativeString("&lt;");
+      REGB1 = TAG_Int(4);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB1);
+      once_value_2 = fra.me.REG[1];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[1] = once_value_2;
+    fra.me.REG[1] = fra.me.REG[1];
+    fra.me.REG[1] = CALL_standard___string_search___String___replace(fra.me.REG[0])(fra.me.REG[0], REGB0, fra.me.REG[1]);
+    fra.me.REG[0] = fra.me.REG[1];
+  }
+  /* ../lib/standard/string_search.nit:335 */
+  REGB0 = TAG_Char('>');
+  REGB0 = CALL_standard___collection___abstract_collection___Collection___has(fra.me.REG[0])(fra.me.REG[0], REGB0);
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Char('>');
+    if (!once_value_3) {
+      fra.me.REG[1] = BOX_NativeString("&gt;");
+      REGB1 = TAG_Int(4);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB1);
+      once_value_3 = fra.me.REG[1];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[1] = once_value_3;
+    fra.me.REG[1] = fra.me.REG[1];
+    fra.me.REG[1] = CALL_standard___string_search___String___replace(fra.me.REG[0])(fra.me.REG[0], REGB0, fra.me.REG[1]);
+    fra.me.REG[0] = fra.me.REG[1];
+  }
+  /* ../lib/standard/string_search.nit:336 */
+  REGB0 = TAG_Char('"');
+  REGB0 = CALL_standard___collection___abstract_collection___Collection___has(fra.me.REG[0])(fra.me.REG[0], REGB0);
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Char('"');
+    if (!once_value_4) {
+      fra.me.REG[1] = BOX_NativeString("&quot;");
+      REGB1 = TAG_Int(6);
+      fra.me.REG[1] = CALL_standard___string___NativeString___to_s_with_length(fra.me.REG[1])(fra.me.REG[1], REGB1);
+      once_value_4 = fra.me.REG[1];
+      register_static_object(&once_value_4);
+    } else fra.me.REG[1] = once_value_4;
+    fra.me.REG[1] = fra.me.REG[1];
+    fra.me.REG[1] = CALL_standard___string_search___String___replace(fra.me.REG[0])(fra.me.REG[0], REGB0, fra.me.REG[1]);
+    fra.me.REG[0] = fra.me.REG[1];
+  }
+  /* ../lib/standard/string_search.nit:337 */
+  goto label5;
+  label5: while(0);
+  stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }