example: adding a sample to show a simple case of callbacks with FFI

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

diff --git a/c_src/compiling___compiling_base._sep.c b/c_src/compiling___compiling_base._sep.c
index 280fdd3..44f4242 100644 (file)
--- a/c_src/compiling___compiling_base._sep.c
+++ b/c_src/compiling___compiling_base._sep.c
@@ -1,5 +1,6 @@
 /* This C file is generated by NIT to compile module compiling___compiling_base. */
 #include "compiling___compiling_base._sep.h"
+static const char LOCATE_compiling___compiling_base___ToolContext___compdir[] = "compiling_base::ToolContext::compdir";
 val_t compiling___compiling_base___ToolContext___compdir(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
@@ -9,13 +10,15 @@ val_t compiling___compiling_base___ToolContext___compdir(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___compdir;
   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;
-  /* ./compiling//compiling_base.nit:27 */
+  /* compiling/compiling_base.nit:27 */
   fra.me.REG[0] = ATTR_compiling___compiling_base___ToolContext____compdir(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___compdir__eq[] = "compiling_base::ToolContext::compdir=";
 void compiling___compiling_base___ToolContext___compdir__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -25,15 +28,17 @@ void compiling___compiling_base___ToolContext___compdir__eq(val_t p0, val_t p1){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___compdir__eq;
   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;
-  /* ./compiling//compiling_base.nit:27 */
+  /* compiling/compiling_base.nit:27 */
   ATTR_compiling___compiling_base___ToolContext____compdir(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___clibdir[] = "compiling_base::ToolContext::clibdir";
 val_t compiling___compiling_base___ToolContext___clibdir(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
@@ -43,13 +48,15 @@ val_t compiling___compiling_base___ToolContext___clibdir(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___clibdir;
   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;
-  /* ./compiling//compiling_base.nit:28 */
+  /* compiling/compiling_base.nit:28 */
   fra.me.REG[0] = ATTR_compiling___compiling_base___ToolContext____clibdir(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___clibdir__eq[] = "compiling_base::ToolContext::clibdir=";
 void compiling___compiling_base___ToolContext___clibdir__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -59,15 +66,17 @@ void compiling___compiling_base___ToolContext___clibdir__eq(val_t p0, val_t p1){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___clibdir__eq;
   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;
-  /* ./compiling//compiling_base.nit:28 */
+  /* compiling/compiling_base.nit:28 */
   ATTR_compiling___compiling_base___ToolContext____clibdir(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___bindir[] = "compiling_base::ToolContext::bindir";
 val_t compiling___compiling_base___ToolContext___bindir(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
@@ -77,13 +86,15 @@ val_t compiling___compiling_base___ToolContext___bindir(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___bindir;
   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;
-  /* ./compiling//compiling_base.nit:29 */
+  /* compiling/compiling_base.nit:29 */
   fra.me.REG[0] = ATTR_compiling___compiling_base___ToolContext____bindir(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___bindir__eq[] = "compiling_base::ToolContext::bindir=";
 void compiling___compiling_base___ToolContext___bindir__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -93,15 +104,17 @@ void compiling___compiling_base___ToolContext___bindir__eq(val_t p0, val_t p1){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___bindir__eq;
   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;
-  /* ./compiling//compiling_base.nit:29 */
+  /* compiling/compiling_base.nit:29 */
   ATTR_compiling___compiling_base___ToolContext____bindir(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___output_file[] = "compiling_base::ToolContext::output_file";
 val_t compiling___compiling_base___ToolContext___output_file(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
@@ -111,13 +124,15 @@ val_t compiling___compiling_base___ToolContext___output_file(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___output_file;
   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;
-  /* ./compiling//compiling_base.nit:30 */
+  /* compiling/compiling_base.nit:30 */
   fra.me.REG[0] = ATTR_compiling___compiling_base___ToolContext____output_file(fra.me.REG[0]);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___output_file__eq[] = "compiling_base::ToolContext::output_file=";
 void compiling___compiling_base___ToolContext___output_file__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -127,15 +142,17 @@ void compiling___compiling_base___ToolContext___output_file__eq(val_t p0, val_t
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___output_file__eq;
   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;
-  /* ./compiling//compiling_base.nit:30 */
+  /* compiling/compiling_base.nit:30 */
   ATTR_compiling___compiling_base___ToolContext____output_file(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___boost[] = "compiling_base::ToolContext::boost";
 val_t compiling___compiling_base___ToolContext___boost(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -146,9 +163,10 @@ val_t compiling___compiling_base___ToolContext___boost(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___boost;
   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;
-  /* ./compiling//compiling_base.nit:31 */
+  /* compiling/compiling_base.nit:31 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___ToolContext____boost(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -158,6 +176,7 @@ val_t compiling___compiling_base___ToolContext___boost(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___boost__eq[] = "compiling_base::ToolContext::boost=";
 void compiling___compiling_base___ToolContext___boost__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -168,14 +187,16 @@ void compiling___compiling_base___ToolContext___boost__eq(val_t p0, val_t p1){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___boost__eq;
   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;
   REGB0 = p1;
-  /* ./compiling//compiling_base.nit:31 */
+  /* compiling/compiling_base.nit:31 */
   ATTR_compiling___compiling_base___ToolContext____boost(fra.me.REG[0]) = REGB0;
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___no_cc[] = "compiling_base::ToolContext::no_cc";
 val_t compiling___compiling_base___ToolContext___no_cc(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -186,9 +207,10 @@ val_t compiling___compiling_base___ToolContext___no_cc(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___no_cc;
   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;
-  /* ./compiling//compiling_base.nit:32 */
+  /* compiling/compiling_base.nit:32 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___ToolContext____no_cc(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -198,6 +220,7 @@ val_t compiling___compiling_base___ToolContext___no_cc(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___no_cc__eq[] = "compiling_base::ToolContext::no_cc=";
 void compiling___compiling_base___ToolContext___no_cc__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -208,14 +231,16 @@ void compiling___compiling_base___ToolContext___no_cc__eq(val_t p0, val_t p1){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___no_cc__eq;
   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;
   REGB0 = p1;
-  /* ./compiling//compiling_base.nit:32 */
+  /* compiling/compiling_base.nit:32 */
   ATTR_compiling___compiling_base___ToolContext____no_cc(fra.me.REG[0]) = REGB0;
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___cc_link[] = "compiling_base::ToolContext::cc_link";
 val_t compiling___compiling_base___ToolContext___cc_link(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -226,9 +251,10 @@ val_t compiling___compiling_base___ToolContext___cc_link(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___cc_link;
   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;
-  /* ./compiling//compiling_base.nit:33 */
+  /* compiling/compiling_base.nit:33 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___ToolContext____cc_link(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -238,6 +264,7 @@ val_t compiling___compiling_base___ToolContext___cc_link(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___cc_link__eq[] = "compiling_base::ToolContext::cc_link=";
 void compiling___compiling_base___ToolContext___cc_link__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -248,14 +275,16 @@ void compiling___compiling_base___ToolContext___cc_link__eq(val_t p0, val_t p1){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___cc_link__eq;
   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;
   REGB0 = p1;
-  /* ./compiling//compiling_base.nit:33 */
+  /* compiling/compiling_base.nit:33 */
   ATTR_compiling___compiling_base___ToolContext____cc_link(fra.me.REG[0]) = REGB0;
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___cc_libs[] = "compiling_base::ToolContext::cc_libs";
 val_t compiling___compiling_base___ToolContext___cc_libs(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -266,9 +295,10 @@ val_t compiling___compiling_base___ToolContext___cc_libs(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___cc_libs;
   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;
-  /* ./compiling//compiling_base.nit:34 */
+  /* compiling/compiling_base.nit:34 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___ToolContext____cc_libs(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -278,6 +308,7 @@ val_t compiling___compiling_base___ToolContext___cc_libs(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___cc_libs__eq[] = "compiling_base::ToolContext::cc_libs=";
 void compiling___compiling_base___ToolContext___cc_libs__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -287,15 +318,17 @@ void compiling___compiling_base___ToolContext___cc_libs__eq(val_t p0, val_t p1){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___cc_libs__eq;
   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;
-  /* ./compiling//compiling_base.nit:34 */
+  /* compiling/compiling_base.nit:34 */
   ATTR_compiling___compiling_base___ToolContext____cc_libs(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___cc_lib_paths[] = "compiling_base::ToolContext::cc_lib_paths";
 val_t compiling___compiling_base___ToolContext___cc_lib_paths(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -306,9 +339,10 @@ val_t compiling___compiling_base___ToolContext___cc_lib_paths(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___cc_lib_paths;
   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;
-  /* ./compiling//compiling_base.nit:35 */
+  /* compiling/compiling_base.nit:35 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___ToolContext____cc_lib_paths(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -318,6 +352,7 @@ val_t compiling___compiling_base___ToolContext___cc_lib_paths(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___cc_lib_paths__eq[] = "compiling_base::ToolContext::cc_lib_paths=";
 void compiling___compiling_base___ToolContext___cc_lib_paths__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -327,15 +362,17 @@ void compiling___compiling_base___ToolContext___cc_lib_paths__eq(val_t p0, val_t
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___cc_lib_paths__eq;
   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;
-  /* ./compiling//compiling_base.nit:35 */
+  /* compiling/compiling_base.nit:35 */
   ATTR_compiling___compiling_base___ToolContext____cc_lib_paths(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___cc_include_paths[] = "compiling_base::ToolContext::cc_include_paths";
 val_t compiling___compiling_base___ToolContext___cc_include_paths(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -346,9 +383,10 @@ val_t compiling___compiling_base___ToolContext___cc_include_paths(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___cc_include_paths;
   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;
-  /* ./compiling//compiling_base.nit:36 */
+  /* compiling/compiling_base.nit:36 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___ToolContext____cc_include_paths(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -358,6 +396,7 @@ val_t compiling___compiling_base___ToolContext___cc_include_paths(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___cc_include_paths__eq[] = "compiling_base::ToolContext::cc_include_paths=";
 void compiling___compiling_base___ToolContext___cc_include_paths__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -367,15 +406,17 @@ void compiling___compiling_base___ToolContext___cc_include_paths__eq(val_t p0, v
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___cc_include_paths__eq;
   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;
-  /* ./compiling//compiling_base.nit:36 */
+  /* compiling/compiling_base.nit:36 */
   ATTR_compiling___compiling_base___ToolContext____cc_include_paths(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___ext_prefix[] = "compiling_base::ToolContext::ext_prefix";
 val_t compiling___compiling_base___ToolContext___ext_prefix(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -386,9 +427,10 @@ val_t compiling___compiling_base___ToolContext___ext_prefix(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___ext_prefix;
   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;
-  /* ./compiling//compiling_base.nit:37 */
+  /* compiling/compiling_base.nit:37 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___ToolContext____ext_prefix(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -398,6 +440,7 @@ val_t compiling___compiling_base___ToolContext___ext_prefix(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___ToolContext___ext_prefix__eq[] = "compiling_base::ToolContext::ext_prefix=";
 void compiling___compiling_base___ToolContext___ext_prefix__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -407,15 +450,17 @@ void compiling___compiling_base___ToolContext___ext_prefix__eq(val_t p0, val_t p
   fra.me.meth = LOCATE_compiling___compiling_base___ToolContext___ext_prefix__eq;
   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;
-  /* ./compiling//compiling_base.nit:37 */
+  /* compiling/compiling_base.nit:37 */
   ATTR_compiling___compiling_base___ToolContext____ext_prefix(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CProgram___init[] = "compiling_base::CProgram::init";
 void compiling___compiling_base___CProgram___init(val_t p0, val_t p1, int* init_table){
   int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_compiling___compiling_base___CProgram].i;
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
@@ -431,14 +476,17 @@ void compiling___compiling_base___CProgram___init(val_t p0, val_t p1, int* init_
   fra.me.meth = LOCATE_compiling___compiling_base___CProgram___init;
   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;
-  /* ./compiling//compiling_base.nit:44 */
-  ATTR_compiling___compiling_base___CProgram____program(fra.me.REG[0]) = fra.me.REG[1];
-  /* ./compiling//compiling_base.nit:45 */
+  /* compiling/compiling_base.nit:42 */
+  fra.me.REG[2] = fra.me.REG[0];
+  /* compiling/compiling_base.nit:44 */
+  ATTR_compiling___compiling_base___CProgram____program(fra.me.REG[2]) = fra.me.REG[1];
+  /* compiling/compiling_base.nit:45 */
   fra.me.REG[1] = CALL_program___Program___tc(fra.me.REG[1])(fra.me.REG[1]);
   fra.me.REG[1] = CALL_compiling___compiling_base___ToolContext___compdir(fra.me.REG[1])(fra.me.REG[1]);
   REGB0 = TAG_Bool(fra.me.REG[1]!=NIT_NULL);
@@ -446,49 +494,50 @@ void compiling___compiling_base___CProgram___init(val_t p0, val_t p1, int* init_
   } else {
     nit_abort("Cast failed", NULL, LOCATE_compiling___compiling_base, 45);
   }
-  ATTR_compiling___compiling_base___CProgram____compdir(fra.me.REG[0]) = fra.me.REG[1];
-  /* ./compiling//compiling_base.nit:46 */
+  ATTR_compiling___compiling_base___CProgram____compdir(fra.me.REG[2]) = fra.me.REG[1];
+  /* compiling/compiling_base.nit:46 */
   REGB0 = TAG_Int(5);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
-    fra.me.REG[2] = BOX_NativeString("");
+    fra.me.REG[0] = BOX_NativeString("");
     REGB0 = TAG_Int(0);
-    fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
-    once_value_1 = fra.me.REG[2];
+    fra.me.REG[0] = NEW_String_standard___string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_1 = fra.me.REG[0];
     register_static_object(&once_value_1);
-  } else fra.me.REG[2] = once_value_1;
-  fra.me.REG[2] = fra.me.REG[2];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  fra.me.REG[2] = CALL_compiling___compiling_base___CProgram___compdir(fra.me.REG[0])(fra.me.REG[0]);
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  fra.me.REG[0] = CALL_compiling___compiling_base___CProgram___compdir(fra.me.REG[2])(fra.me.REG[2]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   if (!once_value_2) {
-    fra.me.REG[2] = BOX_NativeString("/");
+    fra.me.REG[0] = BOX_NativeString("/");
     REGB0 = TAG_Int(1);
-    fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
-    once_value_2 = fra.me.REG[2];
+    fra.me.REG[0] = NEW_String_standard___string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_2 = fra.me.REG[0];
     register_static_object(&once_value_2);
-  } else fra.me.REG[2] = once_value_2;
-  fra.me.REG[2] = fra.me.REG[2];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  fra.me.REG[2] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[2] = CALL_program___Program___main_module(fra.me.REG[2])(fra.me.REG[2]);
-  fra.me.REG[2] = CALL_compiling___compiling_base___MMModule___cname(fra.me.REG[2])(fra.me.REG[2]);
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  } else fra.me.REG[0] = once_value_2;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  fra.me.REG[0] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[0] = CALL_program___Program___main_module(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_compiling___compiling_base___MMModule___cname(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   if (!once_value_3) {
-    fra.me.REG[2] = BOX_NativeString("._build.sh");
+    fra.me.REG[0] = BOX_NativeString("._build.sh");
     REGB0 = TAG_Int(10);
-    fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
-    once_value_3 = fra.me.REG[2];
+    fra.me.REG[0] = NEW_String_standard___string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_3 = fra.me.REG[0];
     register_static_object(&once_value_3);
-  } else fra.me.REG[2] = once_value_3;
-  fra.me.REG[2] = fra.me.REG[2];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  } else fra.me.REG[0] = once_value_3;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
-  ATTR_compiling___compiling_base___CProgram____build_file(fra.me.REG[0]) = fra.me.REG[1];
+  ATTR_compiling___compiling_base___CProgram____build_file(fra.me.REG[2]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   init_table[itpos0] = 1;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CProgram___program[] = "compiling_base::CProgram::program";
 val_t compiling___compiling_base___CProgram___program(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -499,9 +548,10 @@ val_t compiling___compiling_base___CProgram___program(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CProgram___program;
   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;
-  /* ./compiling//compiling_base.nit:49 */
+  /* compiling/compiling_base.nit:49 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CProgram____program(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -511,6 +561,7 @@ val_t compiling___compiling_base___CProgram___program(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CProgram___files[] = "compiling_base::CProgram::files";
 val_t compiling___compiling_base___CProgram___files(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -521,9 +572,10 @@ val_t compiling___compiling_base___CProgram___files(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CProgram___files;
   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;
-  /* ./compiling//compiling_base.nit:52 */
+  /* compiling/compiling_base.nit:52 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CProgram____files(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -533,6 +585,7 @@ val_t compiling___compiling_base___CProgram___files(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CProgram___include_dirs[] = "compiling_base::CProgram::include_dirs";
 val_t compiling___compiling_base___CProgram___include_dirs(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -543,9 +596,10 @@ val_t compiling___compiling_base___CProgram___include_dirs(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CProgram___include_dirs;
   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;
-  /* ./compiling//compiling_base.nit:55 */
+  /* compiling/compiling_base.nit:55 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CProgram____include_dirs(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -555,6 +609,7 @@ val_t compiling___compiling_base___CProgram___include_dirs(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CProgram___build_file[] = "compiling_base::CProgram::build_file";
 val_t compiling___compiling_base___CProgram___build_file(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -565,9 +620,10 @@ val_t compiling___compiling_base___CProgram___build_file(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CProgram___build_file;
   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;
-  /* ./compiling//compiling_base.nit:58 */
+  /* compiling/compiling_base.nit:58 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CProgram____build_file(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -577,6 +633,7 @@ val_t compiling___compiling_base___CProgram___build_file(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CProgram___compdir[] = "compiling_base::CProgram::compdir";
 val_t compiling___compiling_base___CProgram___compdir(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -587,9 +644,10 @@ val_t compiling___compiling_base___CProgram___compdir(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CProgram___compdir;
   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;
-  /* ./compiling//compiling_base.nit:61 */
+  /* compiling/compiling_base.nit:61 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CProgram____compdir(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -599,6 +657,7 @@ val_t compiling___compiling_base___CProgram___compdir(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CProgram___module_header_name[] = "compiling_base::CProgram::module_header_name";
 val_t compiling___compiling_base___CProgram___module_header_name(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
   val_t REGB0;
@@ -612,6 +671,7 @@ val_t compiling___compiling_base___CProgram___module_header_name(val_t p0, val_t
   fra.me.meth = LOCATE_compiling___compiling_base___CProgram___module_header_name;
   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;
@@ -619,7 +679,7 @@ val_t compiling___compiling_base___CProgram___module_header_name(val_t p0, val_t
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./compiling//compiling_base.nit:67 */
+  /* compiling/compiling_base.nit:67 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CProgram____module_include(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -628,7 +688,7 @@ val_t compiling___compiling_base___CProgram___module_header_name(val_t p0, val_t
   fra.me.REG[2] = ATTR_compiling___compiling_base___CProgram____module_include(fra.me.REG[0]);
   REGB0 = CALL_standard___collection___abstract_collection___MapRead___has_key(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
   if (UNTAG_Bool(REGB0)) {
-    /* ./compiling//compiling_base.nit:68 */
+    /* compiling/compiling_base.nit:68 */
     REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CProgram____module_include(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
@@ -638,7 +698,7 @@ val_t compiling___compiling_base___CProgram___module_header_name(val_t p0, val_t
     fra.me.REG[2] = CALL_standard___collection___abstract_collection___MapRead_____bra(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
     goto label1;
   }
-  /* ./compiling//compiling_base.nit:70 */
+  /* compiling/compiling_base.nit:70 */
   REGB0 = TAG_Int(5);
   fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_2) {
@@ -673,7 +733,7 @@ val_t compiling___compiling_base___CProgram___module_header_name(val_t p0, val_t
   fra.me.REG[4] = fra.me.REG[4];
   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
   fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./compiling//compiling_base.nit:71 */
+  /* compiling/compiling_base.nit:71 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CProgram____module_include(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -681,13 +741,14 @@ val_t compiling___compiling_base___CProgram___module_header_name(val_t p0, val_t
   }
   fra.me.REG[0] = ATTR_compiling___compiling_base___CProgram____module_include(fra.me.REG[0]);
   CALL_standard___collection___abstract_collection___Map_____braeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[3]);
-  /* ./compiling//compiling_base.nit:72 */
+  /* compiling/compiling_base.nit:72 */
   fra.me.REG[2] = fra.me.REG[3];
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[2];
 }
+static const char LOCATE_compiling___compiling_base___CProgram___get_file_ending[] = "compiling_base::CProgram::get_file_ending";
 val_t compiling___compiling_base___CProgram___get_file_ending(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
@@ -700,10 +761,11 @@ val_t compiling___compiling_base___CProgram___get_file_ending(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CProgram___get_file_ending;
   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;
-  /* ./compiling//compiling_base.nit:80 */
+  /* compiling/compiling_base.nit:80 */
   fra.me.REG[0] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_program___Program___tc(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = CALL_program___ToolContext___global(fra.me.REG[0])(fra.me.REG[0]);
@@ -732,6 +794,7 @@ val_t compiling___compiling_base___CProgram___get_file_ending(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CProgram___generate_build_file[] = "compiling_base::CProgram::generate_build_file";
 void compiling___compiling_base___CProgram___generate_build_file(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[7];} fra;
   val_t REGB0;
@@ -778,6 +841,7 @@ void compiling___compiling_base___CProgram___generate_build_file(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CProgram___generate_build_file;
   fra.me.has_broke = 0;
   fra.me.REG_size = 8;
+  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;
@@ -787,417 +851,429 @@ void compiling___compiling_base___CProgram___generate_build_file(val_t p0){
   fra.me.REG[6] = NIT_NULL;
   fra.me.REG[7] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./compiling//compiling_base.nit:85 */
-  REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CProgram____build_file(fra.me.REG[0])!=NIT_NULL);
+  /* compiling/compiling_base.nit:82 */
+  fra.me.REG[1] = fra.me.REG[0];
+  /* compiling/compiling_base.nit:85 */
+  REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CProgram____build_file(fra.me.REG[1])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_build_file", LOCATE_compiling___compiling_base, 85);
   }
-  fra.me.REG[1] = ATTR_compiling___compiling_base___CProgram____build_file(fra.me.REG[0]);
-  fra.me.REG[1] = NEW_OFStream_standard___file___OFStream___open(fra.me.REG[1]);
-  /* ./compiling//compiling_base.nit:86 */
+  fra.me.REG[2] = ATTR_compiling___compiling_base___CProgram____build_file(fra.me.REG[1]);
+  fra.me.REG[2] = NEW_OFStream_standard___file___OFStream___open(fra.me.REG[2]);
+  /* compiling/compiling_base.nit:86 */
   if (!once_value_1) {
-    fra.me.REG[2] = BOX_NativeString("");
+    fra.me.REG[3] = BOX_NativeString("");
     REGB0 = TAG_Int(0);
-    fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
-    once_value_1 = fra.me.REG[2];
+    fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB0);
+    once_value_1 = fra.me.REG[3];
     register_static_object(&once_value_1);
-  } else fra.me.REG[2] = once_value_1;
-  fra.me.REG[2] = fra.me.REG[2];
-  /* ./compiling//compiling_base.nit:87 */
-  fra.me.REG[3] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[3] = CALL_program___Program___tc(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./compiling//compiling_base.nit:89 */
-  REGB0 = CALL_mmloader___ToolContext___verbose_level(fra.me.REG[3])(fra.me.REG[3]);
+  } else fra.me.REG[3] = once_value_1;
+  fra.me.REG[3] = fra.me.REG[3];
+  /* compiling/compiling_base.nit:87 */
+  fra.me.REG[4] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[4] = CALL_program___Program___tc(fra.me.REG[4])(fra.me.REG[4]);
+  /* compiling/compiling_base.nit:89 */
+  REGB0 = CALL_toolcontext___ToolContext___verbose_level(fra.me.REG[4])(fra.me.REG[4]);
   REGB1 = TAG_Int(1);
   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
   if (UNTAG_Bool(REGB2)) {
   } else {
-    /* ./../lib/standard//kernel.nit:210 */
+    /* ../lib/standard/kernel.nit:230 */
     REGB1 = TAG_Bool((REGB0)==(REGB1));
-    /* ./compiling//compiling_base.nit:89 */
+    /* compiling/compiling_base.nit:89 */
     REGB2 = REGB1;
   }
   if (UNTAG_Bool(REGB2)) {
-    /* ./compiling//compiling_base.nit:90 */
+    /* compiling/compiling_base.nit:90 */
     if (!once_value_2) {
-      fra.me.REG[4] = BOX_NativeString("-v");
+      fra.me.REG[5] = BOX_NativeString("-v");
       REGB2 = TAG_Int(2);
-      fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB2);
-      once_value_2 = fra.me.REG[4];
+      fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB2);
+      once_value_2 = fra.me.REG[5];
       register_static_object(&once_value_2);
-    } else fra.me.REG[4] = once_value_2;
-    fra.me.REG[4] = fra.me.REG[4];
-    fra.me.REG[2] = fra.me.REG[4];
+    } else fra.me.REG[5] = once_value_2;
+    fra.me.REG[5] = fra.me.REG[5];
+    fra.me.REG[3] = fra.me.REG[5];
   } else {
-    /* ./compiling//compiling_base.nit:91 */
-    REGB2 = CALL_mmloader___ToolContext___verbose_level(fra.me.REG[3])(fra.me.REG[3]);
+    /* compiling/compiling_base.nit:91 */
+    REGB2 = CALL_toolcontext___ToolContext___verbose_level(fra.me.REG[4])(fra.me.REG[4]);
     REGB1 = TAG_Int(2);
-    /* ./../lib/standard//kernel.nit:216 */
+    REGB0 = TAG_Bool(VAL_ISA(REGB1, VTCOLOR_standard___kernel___Comparable___OTHER(REGB2), VTID_standard___kernel___Comparable___OTHER(REGB2))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:236 */
     REGB1 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB1));
-    /* ./compiling//compiling_base.nit:91 */
+    /* compiling/compiling_base.nit:91 */
     if (UNTAG_Bool(REGB1)) {
-      /* ./compiling//compiling_base.nit:93 */
+      /* compiling/compiling_base.nit:93 */
       if (!once_value_3) {
-        fra.me.REG[4] = BOX_NativeString("-vv");
+        fra.me.REG[5] = BOX_NativeString("-vv");
         REGB1 = TAG_Int(3);
-        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-        once_value_3 = fra.me.REG[4];
+        fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+        once_value_3 = fra.me.REG[5];
         register_static_object(&once_value_3);
-      } else fra.me.REG[4] = once_value_3;
-      fra.me.REG[4] = fra.me.REG[4];
-      fra.me.REG[2] = fra.me.REG[4];
+      } else fra.me.REG[5] = once_value_3;
+      fra.me.REG[5] = fra.me.REG[5];
+      fra.me.REG[3] = fra.me.REG[5];
     }
   }
-  /* ./compiling//compiling_base.nit:98 */
-  fra.me.REG[4] = CALL_compiling___compiling_base___CProgram___include_dirs(fra.me.REG[0])(fra.me.REG[0]);
+  /* compiling/compiling_base.nit:98 */
+  fra.me.REG[5] = CALL_compiling___compiling_base___CProgram___include_dirs(fra.me.REG[1])(fra.me.REG[1]);
   REGB1 = TAG_Int(3);
-  fra.me.REG[5] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
+  fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
   if (!once_value_4) {
-    fra.me.REG[6] = BOX_NativeString("-I ");
+    fra.me.REG[7] = BOX_NativeString("-I ");
     REGB1 = TAG_Int(3);
-    fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB1);
-    once_value_4 = fra.me.REG[6];
+    fra.me.REG[7] = NEW_String_standard___string___String___with_native(fra.me.REG[7], REGB1);
+    once_value_4 = fra.me.REG[7];
     register_static_object(&once_value_4);
-  } else fra.me.REG[6] = once_value_4;
-  fra.me.REG[6] = fra.me.REG[6];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
-  fra.me.REG[6] = CALL_compiling___compiling_base___CProgram___compdir(fra.me.REG[0])(fra.me.REG[0]);
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+  } else fra.me.REG[7] = once_value_4;
+  fra.me.REG[7] = fra.me.REG[7];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+  fra.me.REG[7] = CALL_compiling___compiling_base___CProgram___compdir(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
   if (!once_value_5) {
-    fra.me.REG[6] = BOX_NativeString("");
+    fra.me.REG[7] = BOX_NativeString("");
     REGB1 = TAG_Int(0);
-    fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB1);
-    once_value_5 = fra.me.REG[6];
+    fra.me.REG[7] = NEW_String_standard___string___String___with_native(fra.me.REG[7], REGB1);
+    once_value_5 = fra.me.REG[7];
     register_static_object(&once_value_5);
-  } else fra.me.REG[6] = once_value_5;
-  fra.me.REG[6] = fra.me.REG[6];
+  } else fra.me.REG[7] = once_value_5;
+  fra.me.REG[7] = fra.me.REG[7];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+  fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
   CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
-  fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
-  /* ./compiling//compiling_base.nit:100 */
+  /* compiling/compiling_base.nit:100 */
   if (!once_value_6) {
-    fra.me.REG[5] = BOX_NativeString("#!/bin/sh\n");
+    fra.me.REG[6] = BOX_NativeString("#!/bin/sh\n");
     REGB1 = TAG_Int(10);
-    fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
-    once_value_6 = fra.me.REG[5];
+    fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB1);
+    once_value_6 = fra.me.REG[6];
     register_static_object(&once_value_6);
-  } else fra.me.REG[5] = once_value_6;
-  fra.me.REG[5] = fra.me.REG[5];
-  CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-  /* ./compiling//compiling_base.nit:101 */
+  } else fra.me.REG[6] = once_value_6;
+  fra.me.REG[6] = fra.me.REG[6];
+  CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+  /* compiling/compiling_base.nit:101 */
   REGB1 = TAG_Int(3);
-  fra.me.REG[5] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
+  fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
   if (!once_value_7) {
-    fra.me.REG[4] = BOX_NativeString("# This shell script is generated by NIT to compile the program ");
+    fra.me.REG[5] = BOX_NativeString("# This shell script is generated by NIT to compile the program ");
     REGB1 = TAG_Int(63);
-    fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_7 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_7 = fra.me.REG[5];
     register_static_object(&once_value_7);
-  } else fra.me.REG[4] = once_value_7;
-  fra.me.REG[4] = fra.me.REG[4];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-  fra.me.REG[4] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[0])(fra.me.REG[0]);
-  fra.me.REG[4] = CALL_program___Program___main_module(fra.me.REG[4])(fra.me.REG[4]);
-  fra.me.REG[4] = CALL_metamodel___abstractmetamodel___MMModule___full_name(fra.me.REG[4])(fra.me.REG[4]);
-  fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
+  } else fra.me.REG[5] = once_value_7;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+  fra.me.REG[5] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[5] = CALL_program___Program___main_module(fra.me.REG[5])(fra.me.REG[5]);
+  fra.me.REG[5] = CALL_metamodel___abstractmetamodel___MMModule___full_name(fra.me.REG[5])(fra.me.REG[5]);
+  fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
   if (!once_value_8) {
-    fra.me.REG[4] = BOX_NativeString(".\n");
+    fra.me.REG[5] = BOX_NativeString(".\n");
     REGB1 = TAG_Int(2);
-    fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_8 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_8 = fra.me.REG[5];
     register_static_object(&once_value_8);
-  } else fra.me.REG[4] = once_value_8;
-  fra.me.REG[4] = fra.me.REG[4];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-  fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-  CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-  /* ./compiling//compiling_base.nit:102 */
+  } else fra.me.REG[5] = once_value_8;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+  fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+  CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+  /* compiling/compiling_base.nit:102 */
   REGB1 = TAG_Int(3);
-  fra.me.REG[5] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
+  fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
   if (!once_value_9) {
-    fra.me.REG[4] = BOX_NativeString("CLIBDIR=\"");
+    fra.me.REG[5] = BOX_NativeString("CLIBDIR=\"");
     REGB1 = TAG_Int(9);
-    fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_9 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_9 = fra.me.REG[5];
     register_static_object(&once_value_9);
-  } else fra.me.REG[4] = once_value_9;
-  fra.me.REG[4] = fra.me.REG[4];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-  fra.me.REG[4] = CALL_compiling___compiling_base___ToolContext___clibdir(fra.me.REG[3])(fra.me.REG[3]);
-  REGB1 = TAG_Bool(fra.me.REG[4]!=NIT_NULL);
+  } else fra.me.REG[5] = once_value_9;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+  fra.me.REG[5] = CALL_compiling___compiling_base___ToolContext___clibdir(fra.me.REG[4])(fra.me.REG[4]);
+  REGB1 = TAG_Bool(fra.me.REG[5]!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
     nit_abort("Cast failed", NULL, LOCATE_compiling___compiling_base, 102);
   }
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
   if (!once_value_10) {
-    fra.me.REG[4] = BOX_NativeString("\"\n");
+    fra.me.REG[5] = BOX_NativeString("\"\n");
     REGB1 = TAG_Int(2);
-    fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_10 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_10 = fra.me.REG[5];
     register_static_object(&once_value_10);
-  } else fra.me.REG[4] = once_value_10;
-  fra.me.REG[4] = fra.me.REG[4];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-  fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-  CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-  /* ./compiling//compiling_base.nit:103 */
+  } else fra.me.REG[5] = once_value_10;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+  fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+  CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+  /* compiling/compiling_base.nit:103 */
   REGB1 = TAG_Int(9);
-  fra.me.REG[5] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
+  fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
   if (!once_value_11) {
-    fra.me.REG[4] = BOX_NativeString("");
+    fra.me.REG[5] = BOX_NativeString("");
     REGB1 = TAG_Int(0);
-    fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_11 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_11 = fra.me.REG[5];
     register_static_object(&once_value_11);
-  } else fra.me.REG[4] = once_value_11;
-  fra.me.REG[4] = fra.me.REG[4];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-  fra.me.REG[4] = CALL_compiling___compiling_base___ToolContext___bindir(fra.me.REG[3])(fra.me.REG[3]);
-  REGB1 = TAG_Bool(fra.me.REG[4]!=NIT_NULL);
+  } else fra.me.REG[5] = once_value_11;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+  fra.me.REG[5] = CALL_compiling___compiling_base___ToolContext___bindir(fra.me.REG[4])(fra.me.REG[4]);
+  REGB1 = TAG_Bool(fra.me.REG[5]!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
     nit_abort("Cast failed", NULL, LOCATE_compiling___compiling_base, 103);
   }
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
   if (!once_value_12) {
-    fra.me.REG[4] = BOX_NativeString("/gccx ");
+    fra.me.REG[5] = BOX_NativeString("/gccx ");
     REGB1 = TAG_Int(6);
-    fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_12 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_12 = fra.me.REG[5];
     register_static_object(&once_value_12);
-  } else fra.me.REG[4] = once_value_12;
-  fra.me.REG[4] = fra.me.REG[4];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[2]);
+  } else fra.me.REG[5] = once_value_12;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
   if (!once_value_13) {
-    fra.me.REG[2] = BOX_NativeString(" -d ");
+    fra.me.REG[3] = BOX_NativeString(" -d ");
     REGB1 = TAG_Int(4);
-    fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB1);
-    once_value_13 = fra.me.REG[2];
+    fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB1);
+    once_value_13 = fra.me.REG[3];
     register_static_object(&once_value_13);
-  } else fra.me.REG[2] = once_value_13;
-  fra.me.REG[2] = fra.me.REG[2];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[2]);
-  fra.me.REG[2] = CALL_compiling___compiling_base___CProgram___compdir(fra.me.REG[0])(fra.me.REG[0]);
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[2]);
+  } else fra.me.REG[3] = once_value_13;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
+  fra.me.REG[3] = CALL_compiling___compiling_base___CProgram___compdir(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
   if (!once_value_14) {
-    fra.me.REG[2] = BOX_NativeString(" -I $CLIBDIR ");
+    fra.me.REG[3] = BOX_NativeString(" -I $CLIBDIR ");
     REGB1 = TAG_Int(13);
-    fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB1);
-    once_value_14 = fra.me.REG[2];
+    fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB1);
+    once_value_14 = fra.me.REG[3];
     register_static_object(&once_value_14);
-  } else fra.me.REG[2] = once_value_14;
-  fra.me.REG[2] = fra.me.REG[2];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[2]);
-  fra.me.REG[2] = CALL_compiling___compiling_base___CProgram___include_dirs(fra.me.REG[0])(fra.me.REG[0]);
+  } else fra.me.REG[3] = once_value_14;
+  fra.me.REG[3] = fra.me.REG[3];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
+  fra.me.REG[3] = CALL_compiling___compiling_base___CProgram___include_dirs(fra.me.REG[1])(fra.me.REG[1]);
   if (!once_value_15) {
-    fra.me.REG[4] = BOX_NativeString(" ");
+    fra.me.REG[5] = BOX_NativeString(" ");
     REGB1 = TAG_Int(1);
-    fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_15 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_15 = fra.me.REG[5];
     register_static_object(&once_value_15);
-  } else fra.me.REG[4] = once_value_15;
-  fra.me.REG[4] = fra.me.REG[4];
-  fra.me.REG[4] = CALL_standard___string___Collection___join(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
+  } else fra.me.REG[5] = once_value_15;
+  fra.me.REG[5] = fra.me.REG[5];
+  fra.me.REG[5] = CALL_standard___string___Collection___join(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
   if (!once_value_16) {
-    fra.me.REG[4] = BOX_NativeString("");
+    fra.me.REG[5] = BOX_NativeString("");
     REGB1 = TAG_Int(0);
-    fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-    once_value_16 = fra.me.REG[4];
+    fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+    once_value_16 = fra.me.REG[5];
     register_static_object(&once_value_16);
-  } else fra.me.REG[4] = once_value_16;
-  fra.me.REG[4] = fra.me.REG[4];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-  fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-  CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-  /* ./compiling//compiling_base.nit:104 */
-  fra.me.REG[5] = CALL_compiling___compiling_base___ToolContext___output_file(fra.me.REG[3])(fra.me.REG[3]);
-  REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+  } else fra.me.REG[5] = once_value_16;
+  fra.me.REG[5] = fra.me.REG[5];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+  fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+  CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+  /* compiling/compiling_base.nit:104 */
+  fra.me.REG[6] = CALL_compiling___compiling_base___ToolContext___output_file(fra.me.REG[4])(fra.me.REG[4]);
+  REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
-    REGB2 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+    REGB2 = TAG_Bool(fra.me.REG[6]==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[5])(fra.me.REG[5], NIT_NULL);
+      REGB2 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
       REGB1 = REGB2;
     }
   }
   REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
   if (UNTAG_Bool(REGB1)) {
-    /* ./compiling//compiling_base.nit:105 */
+    /* compiling/compiling_base.nit:105 */
     REGB1 = TAG_Int(3);
-    fra.me.REG[5] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
+    fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
     if (!once_value_17) {
-      fra.me.REG[4] = BOX_NativeString(" -o ");
+      fra.me.REG[5] = BOX_NativeString(" -o ");
       REGB1 = TAG_Int(4);
-      fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-      once_value_17 = fra.me.REG[4];
+      fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+      once_value_17 = fra.me.REG[5];
       register_static_object(&once_value_17);
-    } else fra.me.REG[4] = once_value_17;
-    fra.me.REG[4] = fra.me.REG[4];
-    CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-    fra.me.REG[4] = CALL_compiling___compiling_base___ToolContext___output_file(fra.me.REG[3])(fra.me.REG[3]);
-    REGB1 = TAG_Bool(fra.me.REG[4]!=NIT_NULL);
+    } else fra.me.REG[5] = once_value_17;
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+    fra.me.REG[5] = CALL_compiling___compiling_base___ToolContext___output_file(fra.me.REG[4])(fra.me.REG[4]);
+    REGB1 = TAG_Bool(fra.me.REG[5]!=NIT_NULL);
     if (UNTAG_Bool(REGB1)) {
     } else {
       nit_abort("Cast failed", NULL, LOCATE_compiling___compiling_base, 105);
     }
-    CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
+    CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
     if (!once_value_18) {
-      fra.me.REG[4] = BOX_NativeString("");
+      fra.me.REG[5] = BOX_NativeString("");
       REGB1 = TAG_Int(0);
-      fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-      once_value_18 = fra.me.REG[4];
+      fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+      once_value_18 = fra.me.REG[5];
       register_static_object(&once_value_18);
-    } else fra.me.REG[4] = once_value_18;
-    fra.me.REG[4] = fra.me.REG[4];
-    CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-    fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-    CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+    } else fra.me.REG[5] = once_value_18;
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+    fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+    CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
   } else {
-    /* ./compiling//compiling_base.nit:106 */
-    fra.me.REG[5] = CALL_compiling___compiling_base___ToolContext___ext_prefix(fra.me.REG[3])(fra.me.REG[3]);
-    REGB1 = CALL_standard___collection___abstract_collection___Collection___is_empty(fra.me.REG[5])(fra.me.REG[5]);
+    /* compiling/compiling_base.nit:106 */
+    fra.me.REG[6] = CALL_compiling___compiling_base___ToolContext___ext_prefix(fra.me.REG[4])(fra.me.REG[4]);
+    REGB1 = CALL_standard___collection___abstract_collection___Collection___is_empty(fra.me.REG[6])(fra.me.REG[6]);
     if (UNTAG_Bool(REGB1)) {
-      /* ./compiling//compiling_base.nit:107 */
+      /* compiling/compiling_base.nit:107 */
       REGB1 = TAG_Int(3);
-      fra.me.REG[5] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
+      fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
       if (!once_value_19) {
-        fra.me.REG[4] = BOX_NativeString(" -o ");
+        fra.me.REG[5] = BOX_NativeString(" -o ");
         REGB1 = TAG_Int(4);
-        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-        once_value_19 = fra.me.REG[4];
+        fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+        once_value_19 = fra.me.REG[5];
         register_static_object(&once_value_19);
-      } else fra.me.REG[4] = once_value_19;
-      fra.me.REG[4] = fra.me.REG[4];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-      fra.me.REG[4] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[0])(fra.me.REG[0]);
-      fra.me.REG[4] = CALL_program___Program___main_module(fra.me.REG[4])(fra.me.REG[4]);
-      fra.me.REG[4] = CALL_metamodel___abstractmetamodel___MMModule___name(fra.me.REG[4])(fra.me.REG[4]);
-      fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
+      } else fra.me.REG[5] = once_value_19;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+      fra.me.REG[5] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[1])(fra.me.REG[1]);
+      fra.me.REG[5] = CALL_program___Program___main_module(fra.me.REG[5])(fra.me.REG[5]);
+      fra.me.REG[5] = CALL_metamodel___abstractmetamodel___MMModule___name(fra.me.REG[5])(fra.me.REG[5]);
+      fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
       if (!once_value_20) {
-        fra.me.REG[4] = BOX_NativeString("");
+        fra.me.REG[5] = BOX_NativeString("");
         REGB1 = TAG_Int(0);
-        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-        once_value_20 = fra.me.REG[4];
+        fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+        once_value_20 = fra.me.REG[5];
         register_static_object(&once_value_20);
-      } else fra.me.REG[4] = once_value_20;
-      fra.me.REG[4] = fra.me.REG[4];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-      fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-      CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+      } else fra.me.REG[5] = once_value_20;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+      fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+      CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
     } else {
-      /* ./compiling//compiling_base.nit:109 */
+      /* compiling/compiling_base.nit:109 */
       REGB1 = TAG_Int(5);
-      fra.me.REG[5] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
+      fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
       if (!once_value_21) {
-        fra.me.REG[4] = BOX_NativeString(" -o ");
+        fra.me.REG[5] = BOX_NativeString(" -o ");
         REGB1 = TAG_Int(4);
-        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-        once_value_21 = fra.me.REG[4];
+        fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+        once_value_21 = fra.me.REG[5];
         register_static_object(&once_value_21);
-      } else fra.me.REG[4] = once_value_21;
-      fra.me.REG[4] = fra.me.REG[4];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-      fra.me.REG[4] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[0])(fra.me.REG[0]);
-      fra.me.REG[4] = CALL_program___Program___main_module(fra.me.REG[4])(fra.me.REG[4]);
-      fra.me.REG[4] = CALL_metamodel___abstractmetamodel___MMModule___name(fra.me.REG[4])(fra.me.REG[4]);
-      fra.me.REG[4] = CALL_standard___string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
+      } else fra.me.REG[5] = once_value_21;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+      fra.me.REG[5] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[1])(fra.me.REG[1]);
+      fra.me.REG[5] = CALL_program___Program___main_module(fra.me.REG[5])(fra.me.REG[5]);
+      fra.me.REG[5] = CALL_metamodel___abstractmetamodel___MMModule___name(fra.me.REG[5])(fra.me.REG[5]);
+      fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
       if (!once_value_22) {
-        fra.me.REG[4] = BOX_NativeString("_");
+        fra.me.REG[5] = BOX_NativeString("_");
         REGB1 = TAG_Int(1);
-        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-        once_value_22 = fra.me.REG[4];
+        fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+        once_value_22 = fra.me.REG[5];
         register_static_object(&once_value_22);
-      } else fra.me.REG[4] = once_value_22;
-      fra.me.REG[4] = fra.me.REG[4];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-      fra.me.REG[4] = CALL_compiling___compiling_base___ToolContext___ext_prefix(fra.me.REG[3])(fra.me.REG[3]);
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
+      } else fra.me.REG[5] = once_value_22;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+      fra.me.REG[5] = CALL_compiling___compiling_base___ToolContext___ext_prefix(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
       if (!once_value_23) {
-        fra.me.REG[4] = BOX_NativeString("");
+        fra.me.REG[5] = BOX_NativeString("");
         REGB1 = TAG_Int(0);
-        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
-        once_value_23 = fra.me.REG[4];
+        fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
+        once_value_23 = fra.me.REG[5];
         register_static_object(&once_value_23);
-      } else fra.me.REG[4] = once_value_23;
-      fra.me.REG[4] = fra.me.REG[4];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
-      fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-      CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+      } else fra.me.REG[5] = once_value_23;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+      fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+      CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
     }
   }
-  /* ./compiling//compiling_base.nit:111 */
-  REGB1 = CALL_compiling___compiling_base___ToolContext___boost(fra.me.REG[3])(fra.me.REG[3]);
+  /* compiling/compiling_base.nit:111 */
+  REGB1 = CALL_compiling___compiling_base___ToolContext___boost(fra.me.REG[4])(fra.me.REG[4]);
   if (UNTAG_Bool(REGB1)) {
     if (!once_value_24) {
-      fra.me.REG[5] = BOX_NativeString(" -O");
+      fra.me.REG[6] = BOX_NativeString(" -O");
       REGB1 = TAG_Int(3);
-      fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
-      once_value_24 = fra.me.REG[5];
+      fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB1);
+      once_value_24 = fra.me.REG[6];
       register_static_object(&once_value_24);
-    } else fra.me.REG[5] = once_value_24;
-    fra.me.REG[5] = fra.me.REG[5];
-    CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+    } else fra.me.REG[6] = once_value_24;
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
   }
-  /* ./compiling//compiling_base.nit:112 */
-  REGB1 = CALL_compiling___compiling_base___ToolContext___cc_link(fra.me.REG[3])(fra.me.REG[3]);
+  /* compiling/compiling_base.nit:112 */
+  REGB1 = CALL_compiling___compiling_base___ToolContext___cc_link(fra.me.REG[4])(fra.me.REG[4]);
   REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
   if (UNTAG_Bool(REGB1)) {
     if (!once_value_25) {
-      fra.me.REG[5] = BOX_NativeString(" -x \"-c\"");
+      fra.me.REG[6] = BOX_NativeString(" -x \"-c\"");
       REGB1 = TAG_Int(8);
-      fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB1);
-      once_value_25 = fra.me.REG[5];
+      fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB1);
+      once_value_25 = fra.me.REG[6];
       register_static_object(&once_value_25);
-    } else fra.me.REG[5] = once_value_25;
-    fra.me.REG[5] = fra.me.REG[5];
-    CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+    } else fra.me.REG[6] = once_value_25;
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
   }
-  /* ./compiling//compiling_base.nit:113 */
-  fra.me.REG[5] = CALL_compiling___compiling_base___ToolContext___cc_libs(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./../lib/standard//collection//array.nit:234 */
+  /* compiling/compiling_base.nit:113 */
+  fra.me.REG[6] = CALL_compiling___compiling_base___ToolContext___cc_libs(fra.me.REG[4])(fra.me.REG[4]);
+  /* ../lib/standard/collection/array.nit:269 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//collection//array.nit:235 */
-  REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[5])!=NIT_NULL);
+  /* ../lib/standard/collection/array.nit:270 */
+  REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
   if (UNTAG_Bool(REGB2)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 235);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 270);
   }
-  REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[5]);
-  /* ./../lib/standard//collection//array.nit:236 */
-  fra.me.REG[4] = ATTR_standard___collection___array___Array____items(fra.me.REG[5]);
-  /* ./../lib/standard//collection//array.nit:237 */
+  REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[6]);
+  /* ../lib/standard/collection/array.nit:271 */
+  fra.me.REG[5] = ATTR_standard___collection___array___Array____items(fra.me.REG[6]);
+  /* ../lib/standard/collection/array.nit:272 */
   while(1) {
-    /* ./../lib/standard//collection//array.nit:23 */
-    REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[5])!=NIT_NULL);
+    /* ../lib/standard/collection/array.nit:24 */
+    REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[6])!=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[5]);
-    /* ./../lib/standard//kernel.nit:215 */
+    REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[6]);
+    REGB0 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:235 */
     REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
-    /* ./../lib/standard//collection//array.nit:237 */
+    /* ../lib/standard/collection/array.nit:272 */
     if (UNTAG_Bool(REGB2)) {
-      /* ./../lib/standard//collection//array.nit:238 */
-      REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+      /* ../lib/standard/collection/array.nit:273 */
+      REGB2 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
-        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 238);
+        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 273);
       }
-      /* ./../lib/standard//collection//array.nit:654 */
-      fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[4])->val[UNTAG_Int(REGB1)];
-      /* ./compiling//compiling_base.nit:113 */
+      /* ../lib/standard/collection/array.nit:718 */
+      fra.me.REG[0] = ((Nit_NativeArray)fra.me.REG[5])->val[UNTAG_Int(REGB1)];
+      /* compiling/compiling_base.nit:113 */
       REGB2 = TAG_Int(3);
-      fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB2);
+      fra.me.REG[3] = NEW_Array_standard___collection___array___Array___with_capacity(REGB2);
       if (!once_value_26) {
         fra.me.REG[7] = BOX_NativeString(" -l ");
         REGB2 = TAG_Int(4);
@@ -1206,67 +1282,72 @@ void compiling___compiling_base___CProgram___generate_build_file(val_t p0){
         register_static_object(&once_value_26);
       } else fra.me.REG[7] = once_value_26;
       fra.me.REG[7] = fra.me.REG[7];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[7]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
       if (!once_value_27) {
-        fra.me.REG[2] = BOX_NativeString("");
+        fra.me.REG[0] = BOX_NativeString("");
         REGB2 = TAG_Int(0);
-        fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB2);
-        once_value_27 = fra.me.REG[2];
+        fra.me.REG[0] = NEW_String_standard___string___String___with_native(fra.me.REG[0], REGB2);
+        once_value_27 = fra.me.REG[0];
         register_static_object(&once_value_27);
-      } else fra.me.REG[2] = once_value_27;
-      fra.me.REG[2] = fra.me.REG[2];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[2]);
-      fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
-      CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[6]);
-      /* ./../lib/standard//collection//array.nit:239 */
+      } else fra.me.REG[0] = once_value_27;
+      fra.me.REG[0] = fra.me.REG[0];
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0]);
+      fra.me.REG[3] = CALL_standard___string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+      /* ../lib/standard/collection/array.nit:274 */
       REGB2 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:218 */
+      /* ../lib/standard/kernel.nit:238 */
       REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
-      /* ./../lib/standard//collection//array.nit:239 */
+      /* ../lib/standard/collection/array.nit:274 */
       REGB1 = REGB2;
     } else {
-      /* ./../lib/standard//collection//array.nit:237 */
+      /* ../lib/standard/collection/array.nit:272 */
       goto label28;
     }
   }
   label28: while(0);
-  /* ./compiling//compiling_base.nit:114 */
-  fra.me.REG[4] = CALL_compiling___compiling_base___ToolContext___cc_lib_paths(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./../lib/standard//collection//array.nit:234 */
+  /* compiling/compiling_base.nit:114 */
+  fra.me.REG[5] = CALL_compiling___compiling_base___ToolContext___cc_lib_paths(fra.me.REG[4])(fra.me.REG[4]);
+  /* ../lib/standard/collection/array.nit:269 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//collection//array.nit:235 */
-  REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+  /* ../lib/standard/collection/array.nit:270 */
+  REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[5])!=NIT_NULL);
   if (UNTAG_Bool(REGB2)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 235);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 270);
   }
-  REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4]);
-  /* ./../lib/standard//collection//array.nit:236 */
-  fra.me.REG[5] = ATTR_standard___collection___array___Array____items(fra.me.REG[4]);
-  /* ./../lib/standard//collection//array.nit:237 */
+  REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[5]);
+  /* ../lib/standard/collection/array.nit:271 */
+  fra.me.REG[6] = ATTR_standard___collection___array___Array____items(fra.me.REG[5]);
+  /* ../lib/standard/collection/array.nit:272 */
   while(1) {
-    /* ./../lib/standard//collection//array.nit:23 */
-    REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+    /* ../lib/standard/collection/array.nit:24 */
+    REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[5])!=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[4]);
-    /* ./../lib/standard//kernel.nit:215 */
+    REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[5]);
+    REGB0 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
+    }
+    /* ../lib/standard/kernel.nit:235 */
     REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
-    /* ./../lib/standard//collection//array.nit:237 */
+    /* ../lib/standard/collection/array.nit:272 */
     if (UNTAG_Bool(REGB2)) {
-      /* ./../lib/standard//collection//array.nit:238 */
-      REGB2 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+      /* ../lib/standard/collection/array.nit:273 */
+      REGB2 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
-        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 238);
+        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 273);
       }
-      /* ./../lib/standard//collection//array.nit:654 */
-      fra.me.REG[6] = ((Nit_NativeArray)fra.me.REG[5])->val[UNTAG_Int(REGB1)];
-      /* ./compiling//compiling_base.nit:114 */
+      /* ../lib/standard/collection/array.nit:718 */
+      fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[6])->val[UNTAG_Int(REGB1)];
+      /* compiling/compiling_base.nit:114 */
       REGB2 = TAG_Int(3);
-      fra.me.REG[2] = NEW_Array_standard___collection___array___Array___with_capacity(REGB2);
+      fra.me.REG[0] = NEW_Array_standard___collection___array___Array___with_capacity(REGB2);
       if (!once_value_29) {
         fra.me.REG[7] = BOX_NativeString(" -x \"-L ");
         REGB2 = TAG_Int(8);
@@ -1275,139 +1356,145 @@ void compiling___compiling_base___CProgram___generate_build_file(val_t p0){
         register_static_object(&once_value_29);
       } else fra.me.REG[7] = once_value_29;
       fra.me.REG[7] = fra.me.REG[7];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[7]);
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[7]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
       if (!once_value_30) {
-        fra.me.REG[6] = BOX_NativeString("\"");
+        fra.me.REG[3] = BOX_NativeString("\"");
         REGB2 = TAG_Int(1);
-        fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB2);
-        once_value_30 = fra.me.REG[6];
+        fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB2);
+        once_value_30 = fra.me.REG[3];
         register_static_object(&once_value_30);
-      } else fra.me.REG[6] = once_value_30;
-      fra.me.REG[6] = fra.me.REG[6];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
-      fra.me.REG[2] = CALL_standard___string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-      CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-      /* ./../lib/standard//collection//array.nit:239 */
+      } else fra.me.REG[3] = once_value_30;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
+      fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
+      CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+      /* ../lib/standard/collection/array.nit:274 */
       REGB2 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:218 */
+      /* ../lib/standard/kernel.nit:238 */
       REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
-      /* ./../lib/standard//collection//array.nit:239 */
+      /* ../lib/standard/collection/array.nit:274 */
       REGB1 = REGB2;
     } else {
-      /* ./../lib/standard//collection//array.nit:237 */
+      /* ../lib/standard/collection/array.nit:272 */
       goto label31;
     }
   }
   label31: while(0);
-  /* ./compiling//compiling_base.nit:115 */
-  fra.me.REG[3] = CALL_compiling___compiling_base___ToolContext___cc_include_paths(fra.me.REG[3])(fra.me.REG[3]);
-  /* ./../lib/standard//collection//array.nit:234 */
+  /* compiling/compiling_base.nit:115 */
+  fra.me.REG[4] = CALL_compiling___compiling_base___ToolContext___cc_include_paths(fra.me.REG[4])(fra.me.REG[4]);
+  /* ../lib/standard/collection/array.nit:269 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//collection//array.nit:235 */
-  REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+  /* ../lib/standard/collection/array.nit:270 */
+  REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
   if (UNTAG_Bool(REGB2)) {
   } else {
-    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 235);
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_standard___collection___array, 270);
   }
-  REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[3]);
-  /* ./../lib/standard//collection//array.nit:236 */
-  fra.me.REG[5] = ATTR_standard___collection___array___Array____items(fra.me.REG[3]);
-  /* ./../lib/standard//collection//array.nit:237 */
+  REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4]);
+  /* ../lib/standard/collection/array.nit:271 */
+  fra.me.REG[6] = ATTR_standard___collection___array___Array____items(fra.me.REG[4]);
+  /* ../lib/standard/collection/array.nit:272 */
   while(1) {
-    /* ./../lib/standard//collection//array.nit:23 */
-    REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+    /* ../lib/standard/collection/array.nit:24 */
+    REGB2 = TAG_Bool(ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[4])!=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[4]);
+    REGB0 = TAG_Bool(VAL_ISA(REGB2, VTCOLOR_standard___kernel___Comparable___OTHER(REGB1), VTID_standard___kernel___Comparable___OTHER(REGB1))) /*cast OTHER*/;
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_standard___kernel, 0);
     }
-    REGB2 = ATTR_standard___collection___array___AbstractArrayRead____length(fra.me.REG[3]);
-    /* ./../lib/standard//kernel.nit:215 */
+    /* ../lib/standard/kernel.nit:235 */
     REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
-    /* ./../lib/standard//collection//array.nit:237 */
+    /* ../lib/standard/collection/array.nit:272 */
     if (UNTAG_Bool(REGB2)) {
-      /* ./../lib/standard//collection//array.nit:238 */
-      REGB2 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+      /* ../lib/standard/collection/array.nit:273 */
+      REGB2 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
       if (UNTAG_Bool(REGB2)) {
-        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 238);
+        nit_abort("Reciever is null", NULL, LOCATE_standard___collection___array, 273);
       }
-      /* ./../lib/standard//collection//array.nit:654 */
-      fra.me.REG[4] = ((Nit_NativeArray)fra.me.REG[5])->val[UNTAG_Int(REGB1)];
-      /* ./compiling//compiling_base.nit:115 */
+      /* ../lib/standard/collection/array.nit:718 */
+      fra.me.REG[5] = ((Nit_NativeArray)fra.me.REG[6])->val[UNTAG_Int(REGB1)];
+      /* compiling/compiling_base.nit:115 */
       REGB2 = TAG_Int(3);
-      fra.me.REG[2] = NEW_Array_standard___collection___array___Array___with_capacity(REGB2);
+      fra.me.REG[0] = NEW_Array_standard___collection___array___Array___with_capacity(REGB2);
       if (!once_value_32) {
-        fra.me.REG[6] = BOX_NativeString(" -x \"-I ");
+        fra.me.REG[3] = BOX_NativeString(" -x \"-I ");
         REGB2 = TAG_Int(8);
-        fra.me.REG[6] = NEW_String_standard___string___String___with_native(fra.me.REG[6], REGB2);
-        once_value_32 = fra.me.REG[6];
+        fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB2);
+        once_value_32 = fra.me.REG[3];
         register_static_object(&once_value_32);
-      } else fra.me.REG[6] = once_value_32;
-      fra.me.REG[6] = fra.me.REG[6];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+      } else fra.me.REG[3] = once_value_32;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[5]);
       if (!once_value_33) {
-        fra.me.REG[4] = BOX_NativeString("\"");
+        fra.me.REG[5] = BOX_NativeString("\"");
         REGB2 = TAG_Int(1);
-        fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB2);
-        once_value_33 = fra.me.REG[4];
+        fra.me.REG[5] = NEW_String_standard___string___String___with_native(fra.me.REG[5], REGB2);
+        once_value_33 = fra.me.REG[5];
         register_static_object(&once_value_33);
-      } else fra.me.REG[4] = once_value_33;
-      fra.me.REG[4] = fra.me.REG[4];
-      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
-      fra.me.REG[2] = CALL_standard___string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
-      CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-      /* ./../lib/standard//collection//array.nit:239 */
+      } else fra.me.REG[5] = once_value_33;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[5]);
+      fra.me.REG[0] = CALL_standard___string___Object___to_s(fra.me.REG[0])(fra.me.REG[0]);
+      CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+      /* ../lib/standard/collection/array.nit:274 */
       REGB2 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:218 */
+      /* ../lib/standard/kernel.nit:238 */
       REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
-      /* ./../lib/standard//collection//array.nit:239 */
+      /* ../lib/standard/collection/array.nit:274 */
       REGB1 = REGB2;
     } else {
-      /* ./../lib/standard//collection//array.nit:237 */
+      /* ../lib/standard/collection/array.nit:272 */
       goto label34;
     }
   }
   label34: while(0);
-  /* ./compiling//compiling_base.nit:116 */
+  /* compiling/compiling_base.nit:116 */
   REGB1 = TAG_Int(3);
-  fra.me.REG[5] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
+  fra.me.REG[6] = NEW_Array_standard___collection___array___Array___with_capacity(REGB1);
   if (!once_value_35) {
-    fra.me.REG[3] = BOX_NativeString(" \"$@\" \\\n  ");
+    fra.me.REG[4] = BOX_NativeString(" \"$@\" \\\n  ");
     REGB1 = TAG_Int(10);
-    fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB1);
-    once_value_35 = fra.me.REG[3];
+    fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
+    once_value_35 = fra.me.REG[4];
     register_static_object(&once_value_35);
-  } else fra.me.REG[3] = once_value_35;
-  fra.me.REG[3] = fra.me.REG[3];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
-  fra.me.REG[0] = CALL_compiling___compiling_base___CProgram___files(fra.me.REG[0])(fra.me.REG[0]);
+  } else fra.me.REG[4] = once_value_35;
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
+  fra.me.REG[1] = CALL_compiling___compiling_base___CProgram___files(fra.me.REG[1])(fra.me.REG[1]);
   if (!once_value_36) {
-    fra.me.REG[3] = BOX_NativeString("\\\n  ");
+    fra.me.REG[4] = BOX_NativeString("\\\n  ");
     REGB1 = TAG_Int(4);
-    fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB1);
-    once_value_36 = fra.me.REG[3];
+    fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
+    once_value_36 = fra.me.REG[4];
     register_static_object(&once_value_36);
-  } else fra.me.REG[3] = once_value_36;
-  fra.me.REG[3] = fra.me.REG[3];
-  fra.me.REG[3] = CALL_standard___string___Collection___join(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+  } else fra.me.REG[4] = once_value_36;
+  fra.me.REG[4] = fra.me.REG[4];
+  fra.me.REG[4] = CALL_standard___string___Collection___join(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
   if (!once_value_37) {
-    fra.me.REG[3] = BOX_NativeString("\n");
+    fra.me.REG[4] = BOX_NativeString("\n");
     REGB1 = TAG_Int(1);
-    fra.me.REG[3] = NEW_String_standard___string___String___with_native(fra.me.REG[3], REGB1);
-    once_value_37 = fra.me.REG[3];
+    fra.me.REG[4] = NEW_String_standard___string___String___with_native(fra.me.REG[4], REGB1);
+    once_value_37 = fra.me.REG[4];
     register_static_object(&once_value_37);
-  } else fra.me.REG[3] = once_value_37;
-  fra.me.REG[3] = fra.me.REG[3];
-  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
-  fra.me.REG[5] = CALL_standard___string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
-  CALL_standard___stream___OStream___write(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
-  /* ./compiling//compiling_base.nit:117 */
-  CALL_standard___stream___IOS___close(fra.me.REG[1])(fra.me.REG[1]);
+  } else fra.me.REG[4] = once_value_37;
+  fra.me.REG[4] = fra.me.REG[4];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
+  fra.me.REG[6] = CALL_standard___string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+  CALL_standard___stream___OStream___write(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+  /* compiling/compiling_base.nit:117 */
+  CALL_standard___stream___IOS___close(fra.me.REG[2])(fra.me.REG[2]);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CProgram___run_c_compiler[] = "compiling_base::CProgram::run_c_compiler";
 void compiling___compiling_base___CProgram___run_c_compiler(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -1421,12 +1508,13 @@ void compiling___compiling_base___CProgram___run_c_compiler(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CProgram___run_c_compiler;
   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;
-  /* ./compiling//compiling_base.nit:123 */
+  /* compiling/compiling_base.nit:123 */
   fra.me.REG[1] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[1] = CALL_program___Program___tc(fra.me.REG[1])(fra.me.REG[1]);
   if (!once_value_1) {
@@ -1438,8 +1526,8 @@ void compiling___compiling_base___CProgram___run_c_compiler(val_t p0){
   } else fra.me.REG[2] = once_value_1;
   fra.me.REG[2] = fra.me.REG[2];
   REGB0 = TAG_Int(1);
-  CALL_mmloader___ToolContext___info(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], REGB0);
-  /* ./compiling//compiling_base.nit:124 */
+  CALL_toolcontext___ToolContext___info(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], REGB0);
+  /* compiling/compiling_base.nit:124 */
   fra.me.REG[2] = CALL_standard___kernel___Object___sys(fra.me.REG[0])(fra.me.REG[0]);
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
@@ -1473,6 +1561,7 @@ void compiling___compiling_base___CProgram___run_c_compiler(val_t p0){
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___add_decl[] = "compiling_base::CompilerVisitor::add_decl";
 void compiling___compiling_base___CompilerVisitor___add_decl(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -1483,12 +1572,13 @@ void compiling___compiling_base___CompilerVisitor___add_decl(val_t p0, val_t p1)
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___add_decl;
   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;
-  /* ./compiling//compiling_base.nit:135 */
+  /* compiling/compiling_base.nit:135 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____decl_writer(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -1499,6 +1589,7 @@ void compiling___compiling_base___CompilerVisitor___add_decl(val_t p0, val_t p1)
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___add_instr[] = "compiling_base::CompilerVisitor::add_instr";
 void compiling___compiling_base___CompilerVisitor___add_instr(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -1509,12 +1600,13 @@ void compiling___compiling_base___CompilerVisitor___add_instr(val_t p0, val_t p1
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___add_instr;
   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;
-  /* ./compiling//compiling_base.nit:141 */
+  /* compiling/compiling_base.nit:141 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____writer(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -1525,6 +1617,7 @@ void compiling___compiling_base___CompilerVisitor___add_instr(val_t p0, val_t p1
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___add_indent[] = "compiling_base::CompilerVisitor::add_indent";
 void compiling___compiling_base___CompilerVisitor___add_indent(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -1539,12 +1632,13 @@ void compiling___compiling_base___CompilerVisitor___add_indent(val_t p0, val_t p
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___add_indent;
   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;
-  /* ./compiling//compiling_base.nit:147 */
+  /* compiling/compiling_base.nit:147 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -1552,11 +1646,16 @@ void compiling___compiling_base___CompilerVisitor___add_indent(val_t p0, val_t p
   }
   REGB0 = ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0]);
   REGB1 = TAG_Int(8);
-  /* ./../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:236 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
-  /* ./compiling//compiling_base.nit:147 */
+  /* compiling/compiling_base.nit:147 */
   if (UNTAG_Bool(REGB1)) {
-    /* ./compiling//compiling_base.nit:148 */
+    /* compiling/compiling_base.nit:148 */
     if (!once_value_1) {
       fra.me.REG[2] = BOX_NativeString("\t\t");
       REGB1 = TAG_Int(2);
@@ -1565,9 +1664,9 @@ void compiling___compiling_base___CompilerVisitor___add_indent(val_t p0, val_t p
       register_static_object(&once_value_1);
     } else fra.me.REG[2] = once_value_1;
     fra.me.REG[2] = fra.me.REG[2];
-    CALL_compiling___compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
   } else {
-    /* ./compiling//compiling_base.nit:150 */
+    /* compiling/compiling_base.nit:150 */
     REGB1 = TAG_Int(0);
     REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
@@ -1575,13 +1674,18 @@ void compiling___compiling_base___CompilerVisitor___add_indent(val_t p0, val_t p
       nit_abort("Uninitialized attribute %s", "_indent_level", LOCATE_compiling___compiling_base, 150);
     }
     REGB0 = ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0]);
-    /* ./../lib/standard//kernel.nit:335 */
+    /* ../lib/standard/kernel.nit:355 */
     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:235 */
       REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
-      /* ./../lib/standard//kernel.nit:335 */
+      /* ../lib/standard/kernel.nit:355 */
       if (UNTAG_Bool(REGB2)) {
-        /* ./compiling//compiling_base.nit:151 */
+        /* compiling/compiling_base.nit:151 */
         if (!once_value_2) {
           fra.me.REG[0] = BOX_NativeString("  ");
           REGB2 = TAG_Int(2);
@@ -1590,15 +1694,15 @@ void compiling___compiling_base___CompilerVisitor___add_indent(val_t p0, val_t p
           register_static_object(&once_value_2);
         } else fra.me.REG[0] = once_value_2;
         fra.me.REG[0] = fra.me.REG[0];
-        CALL_compiling___compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
-        /* ./../lib/standard//kernel.nit:337 */
+        CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+        /* ../lib/standard/kernel.nit:357 */
         REGB2 = TAG_Int(1);
-        /* ./../lib/standard//kernel.nit:218 */
+        /* ../lib/standard/kernel.nit:238 */
         REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
-        /* ./../lib/standard//kernel.nit:337 */
+        /* ../lib/standard/kernel.nit:357 */
         REGB1 = REGB2;
       } else {
-        /* ./../lib/standard//kernel.nit:335 */
+        /* ../lib/standard/kernel.nit:355 */
         goto label3;
       }
     }
@@ -1607,6 +1711,7 @@ void compiling___compiling_base___CompilerVisitor___add_indent(val_t p0, val_t p
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___add_line_to[] = "compiling_base::CompilerVisitor::add_line_to";
 void compiling___compiling_base___CompilerVisitor___add_line_to(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -1618,17 +1723,18 @@ void compiling___compiling_base___CompilerVisitor___add_line_to(val_t p0, val_t
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___add_line_to;
   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;
   fra.me.REG[2] = p2;
-  /* ./compiling//compiling_base.nit:158 */
+  /* compiling/compiling_base.nit:158 */
   CALL_compiling___compiling_base___CompilerVisitor___add_indent(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
-  /* ./compiling//compiling_base.nit:159 */
-  CALL_compiling___compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
-  /* ./compiling//compiling_base.nit:160 */
+  /* compiling/compiling_base.nit:159 */
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* compiling/compiling_base.nit:160 */
   if (!once_value_1) {
     fra.me.REG[2] = BOX_NativeString("\n");
     REGB0 = TAG_Int(1);
@@ -1637,10 +1743,11 @@ void compiling___compiling_base___CompilerVisitor___add_line_to(val_t p0, val_t
     register_static_object(&once_value_1);
   } else fra.me.REG[2] = once_value_1;
   fra.me.REG[2] = fra.me.REG[2];
-  CALL_compiling___compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  CALL_compiling_writer___Writer___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___add_assignment[] = "compiling_base::CompilerVisitor::add_assignment";
 void compiling___compiling_base___CompilerVisitor___add_assignment(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
@@ -1654,6 +1761,7 @@ void compiling___compiling_base___CompilerVisitor___add_assignment(val_t p0, val
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___add_assignment;
   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;
@@ -1661,7 +1769,7 @@ void compiling___compiling_base___CompilerVisitor___add_assignment(val_t p0, val
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./compiling//compiling_base.nit:166 */
+  /* compiling/compiling_base.nit:166 */
   REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[2]));
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -1670,18 +1778,18 @@ void compiling___compiling_base___CompilerVisitor___add_assignment(val_t p0, val
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   if (UNTAG_Bool(REGB0)) {
-    /* ./compiling//compiling_base.nit:167 */
+    /* compiling/compiling_base.nit:167 */
     REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____writer(fra.me.REG[0])!=NIT_NULL);
     if (UNTAG_Bool(REGB0)) {
     } else {
       nit_abort("Uninitialized attribute %s", "_writer", LOCATE_compiling___compiling_base, 167);
     }
     fra.me.REG[3] = ATTR_compiling___compiling_base___CompilerVisitor____writer(fra.me.REG[0]);
-    /* ./compiling//compiling_base.nit:168 */
+    /* compiling/compiling_base.nit:168 */
     CALL_compiling___compiling_base___CompilerVisitor___add_indent(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
-    /* ./compiling//compiling_base.nit:169 */
-    CALL_compiling___compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
-    /* ./compiling//compiling_base.nit:170 */
+    /* compiling/compiling_base.nit:169 */
+    CALL_compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+    /* compiling/compiling_base.nit:170 */
     if (!once_value_1) {
       fra.me.REG[1] = BOX_NativeString(" = ");
       REGB0 = TAG_Int(3);
@@ -1690,10 +1798,10 @@ void compiling___compiling_base___CompilerVisitor___add_assignment(val_t p0, val
       register_static_object(&once_value_1);
     } else fra.me.REG[1] = once_value_1;
     fra.me.REG[1] = fra.me.REG[1];
-    CALL_compiling___compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
-    /* ./compiling//compiling_base.nit:171 */
-    CALL_compiling___compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
-    /* ./compiling//compiling_base.nit:172 */
+    CALL_compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+    /* compiling/compiling_base.nit:171 */
+    CALL_compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+    /* compiling/compiling_base.nit:172 */
     if (!once_value_2) {
       fra.me.REG[2] = BOX_NativeString(";\n");
       REGB0 = TAG_Int(2);
@@ -1702,11 +1810,12 @@ void compiling___compiling_base___CompilerVisitor___add_assignment(val_t p0, val
       register_static_object(&once_value_2);
     } else fra.me.REG[2] = once_value_2;
     fra.me.REG[2] = fra.me.REG[2];
-    CALL_compiling___compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+    CALL_compiling_writer___Writer___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
   }
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___new_number[] = "compiling_base::CompilerVisitor::new_number";
 val_t compiling___compiling_base___CompilerVisitor___new_number(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1718,27 +1827,29 @@ val_t compiling___compiling_base___CompilerVisitor___new_number(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___new_number;
   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;
-  /* ./compiling//compiling_base.nit:179 */
+  /* compiling/compiling_base.nit:179 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____number_cpt(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     nit_abort("Uninitialized attribute %s", "_number_cpt", LOCATE_compiling___compiling_base, 179);
   }
   REGB0 = ATTR_compiling___compiling_base___CompilerVisitor____number_cpt(fra.me.REG[0]);
-  /* ./compiling//compiling_base.nit:180 */
+  /* compiling/compiling_base.nit:180 */
   REGB1 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:218 */
+  /* ../lib/standard/kernel.nit:238 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
-  /* ./compiling//compiling_base.nit:180 */
+  /* compiling/compiling_base.nit:180 */
   ATTR_compiling___compiling_base___CompilerVisitor____number_cpt(fra.me.REG[0]) = REGB1;
-  /* ./compiling//compiling_base.nit:181 */
+  /* compiling/compiling_base.nit:181 */
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___indent[] = "compiling_base::CompilerVisitor::indent";
 void compiling___compiling_base___CompilerVisitor___indent(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1750,22 +1861,25 @@ void compiling___compiling_base___CompilerVisitor___indent(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___indent;
   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;
-  /* ./compiling//compiling_base.nit:188 */
+  /* compiling/compiling_base.nit:188 */
   REGB0 = ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0]);
   REGB1 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:218 */
+  /* ../lib/standard/kernel.nit:238 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
-  /* ./compiling//compiling_base.nit:188 */
+  /* compiling/compiling_base.nit:188 */
   ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0]) = REGB1;
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___unindent[] = "compiling_base::CompilerVisitor::unindent";
 void compiling___compiling_base___CompilerVisitor___unindent(val_t p0){
   struct {struct stack_frame_t me;} 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_compiling___compiling_base;
@@ -1773,16 +1887,17 @@ void compiling___compiling_base___CompilerVisitor___unindent(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___unindent;
   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;
-  /* ./compiling//compiling_base.nit:193 */
+  /* compiling/compiling_base.nit:193 */
   REGB0 = ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0]);
   REGB1 = TAG_Int(1);
-  /* ./../lib/standard//kernel.nit:220 */
+  /* ../lib/standard/kernel.nit:240 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
-  /* ./compiling//compiling_base.nit:193 */
+  /* compiling/compiling_base.nit:193 */
   ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0]) = REGB1;
-  /* ./compiling//compiling_base.nit:194 */
+  /* compiling/compiling_base.nit:194 */
   REGB1 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB1)) {
   } else {
@@ -1790,9 +1905,14 @@ void compiling___compiling_base___CompilerVisitor___unindent(val_t p0){
   }
   REGB1 = ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0]);
   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:235 */
   REGB0 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
-  /* ./compiling//compiling_base.nit:194 */
+  /* compiling/compiling_base.nit:194 */
   if (UNTAG_Bool(REGB0)) {
     REGB0 = TAG_Int(0);
     ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0]) = REGB0;
@@ -1800,6 +1920,7 @@ void compiling___compiling_base___CompilerVisitor___unindent(val_t p0){
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___mmmodule[] = "compiling_base::CompilerVisitor::mmmodule";
 val_t compiling___compiling_base___CompilerVisitor___mmmodule(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1810,9 +1931,10 @@ val_t compiling___compiling_base___CompilerVisitor___mmmodule(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___mmmodule;
   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;
-  /* ./compiling//compiling_base.nit:197 */
+  /* compiling/compiling_base.nit:197 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____mmmodule(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -1822,6 +1944,7 @@ val_t compiling___compiling_base___CompilerVisitor___mmmodule(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___header_writer[] = "compiling_base::CompilerVisitor::header_writer";
 val_t compiling___compiling_base___CompilerVisitor___header_writer(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1832,9 +1955,10 @@ val_t compiling___compiling_base___CompilerVisitor___header_writer(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___header_writer;
   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;
-  /* ./compiling//compiling_base.nit:200 */
+  /* compiling/compiling_base.nit:200 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____header_writer(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -1844,6 +1968,7 @@ val_t compiling___compiling_base___CompilerVisitor___header_writer(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___header_writer__eq[] = "compiling_base::CompilerVisitor::header_writer=";
 void compiling___compiling_base___CompilerVisitor___header_writer__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -1853,15 +1978,17 @@ void compiling___compiling_base___CompilerVisitor___header_writer__eq(val_t p0,
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___header_writer__eq;
   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;
-  /* ./compiling//compiling_base.nit:200 */
+  /* compiling/compiling_base.nit:200 */
   ATTR_compiling___compiling_base___CompilerVisitor____header_writer(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___writer[] = "compiling_base::CompilerVisitor::writer";
 val_t compiling___compiling_base___CompilerVisitor___writer(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1872,9 +1999,10 @@ val_t compiling___compiling_base___CompilerVisitor___writer(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___writer;
   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;
-  /* ./compiling//compiling_base.nit:203 */
+  /* compiling/compiling_base.nit:203 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____writer(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -1884,6 +2012,7 @@ val_t compiling___compiling_base___CompilerVisitor___writer(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___writer__eq[] = "compiling_base::CompilerVisitor::writer=";
 void compiling___compiling_base___CompilerVisitor___writer__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -1893,15 +2022,17 @@ void compiling___compiling_base___CompilerVisitor___writer__eq(val_t p0, val_t p
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___writer__eq;
   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;
-  /* ./compiling//compiling_base.nit:203 */
+  /* compiling/compiling_base.nit:203 */
   ATTR_compiling___compiling_base___CompilerVisitor____writer(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___decl_writer[] = "compiling_base::CompilerVisitor::decl_writer";
 val_t compiling___compiling_base___CompilerVisitor___decl_writer(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1912,9 +2043,10 @@ val_t compiling___compiling_base___CompilerVisitor___decl_writer(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___decl_writer;
   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;
-  /* ./compiling//compiling_base.nit:206 */
+  /* compiling/compiling_base.nit:206 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____decl_writer(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -1924,6 +2056,7 @@ val_t compiling___compiling_base___CompilerVisitor___decl_writer(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___decl_writer__eq[] = "compiling_base::CompilerVisitor::decl_writer=";
 void compiling___compiling_base___CompilerVisitor___decl_writer__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -1933,15 +2066,17 @@ void compiling___compiling_base___CompilerVisitor___decl_writer__eq(val_t p0, va
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___decl_writer__eq;
   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;
-  /* ./compiling//compiling_base.nit:206 */
+  /* compiling/compiling_base.nit:206 */
   ATTR_compiling___compiling_base___CompilerVisitor____decl_writer(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___top_writer[] = "compiling_base::CompilerVisitor::top_writer";
 val_t compiling___compiling_base___CompilerVisitor___top_writer(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1952,9 +2087,10 @@ val_t compiling___compiling_base___CompilerVisitor___top_writer(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___top_writer;
   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;
-  /* ./compiling//compiling_base.nit:209 */
+  /* compiling/compiling_base.nit:209 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____top_writer(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -1964,6 +2100,7 @@ val_t compiling___compiling_base___CompilerVisitor___top_writer(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___top_writer__eq[] = "compiling_base::CompilerVisitor::top_writer=";
 void compiling___compiling_base___CompilerVisitor___top_writer__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -1973,15 +2110,17 @@ void compiling___compiling_base___CompilerVisitor___top_writer__eq(val_t p0, val
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___top_writer__eq;
   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;
-  /* ./compiling//compiling_base.nit:209 */
+  /* compiling/compiling_base.nit:209 */
   ATTR_compiling___compiling_base___CompilerVisitor____top_writer(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___top_decl_writer[] = "compiling_base::CompilerVisitor::top_decl_writer";
 val_t compiling___compiling_base___CompilerVisitor___top_decl_writer(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -1992,9 +2131,10 @@ val_t compiling___compiling_base___CompilerVisitor___top_decl_writer(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___top_decl_writer;
   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;
-  /* ./compiling//compiling_base.nit:212 */
+  /* compiling/compiling_base.nit:212 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____top_decl_writer(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -2004,6 +2144,7 @@ val_t compiling___compiling_base___CompilerVisitor___top_decl_writer(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___top_decl_writer__eq[] = "compiling_base::CompilerVisitor::top_decl_writer=";
 void compiling___compiling_base___CompilerVisitor___top_decl_writer__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
@@ -2013,15 +2154,17 @@ void compiling___compiling_base___CompilerVisitor___top_decl_writer__eq(val_t p0
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___top_decl_writer__eq;
   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;
-  /* ./compiling//compiling_base.nit:212 */
+  /* compiling/compiling_base.nit:212 */
   ATTR_compiling___compiling_base___CompilerVisitor____top_decl_writer(fra.me.REG[0]) = fra.me.REG[1];
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___indent_level[] = "compiling_base::CompilerVisitor::indent_level";
 val_t compiling___compiling_base___CompilerVisitor___indent_level(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -2032,9 +2175,10 @@ val_t compiling___compiling_base___CompilerVisitor___indent_level(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___indent_level;
   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;
-  /* ./compiling//compiling_base.nit:215 */
+  /* compiling/compiling_base.nit:215 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -2044,6 +2188,7 @@ val_t compiling___compiling_base___CompilerVisitor___indent_level(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___indent_level__eq[] = "compiling_base::CompilerVisitor::indent_level=";
 void compiling___compiling_base___CompilerVisitor___indent_level__eq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -2054,14 +2199,16 @@ void compiling___compiling_base___CompilerVisitor___indent_level__eq(val_t p0, v
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___indent_level__eq;
   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;
   REGB0 = p1;
-  /* ./compiling//compiling_base.nit:215 */
+  /* compiling/compiling_base.nit:215 */
   ATTR_compiling___compiling_base___CompilerVisitor____indent_level(fra.me.REG[0]) = REGB0;
   stack_frame_head = fra.me.prev;
   return;
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___program[] = "compiling_base::CompilerVisitor::program";
 val_t compiling___compiling_base___CompilerVisitor___program(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -2072,9 +2219,10 @@ val_t compiling___compiling_base___CompilerVisitor___program(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___program;
   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;
-  /* ./compiling//compiling_base.nit:218 */
+  /* compiling/compiling_base.nit:218 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____program(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -2084,6 +2232,7 @@ val_t compiling___compiling_base___CompilerVisitor___program(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___cprogram[] = "compiling_base::CompilerVisitor::cprogram";
 val_t compiling___compiling_base___CompilerVisitor___cprogram(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
@@ -2094,9 +2243,10 @@ val_t compiling___compiling_base___CompilerVisitor___cprogram(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___cprogram;
   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;
-  /* ./compiling//compiling_base.nit:221 */
+  /* compiling/compiling_base.nit:221 */
   REGB0 = TAG_Bool(ATTR_compiling___compiling_base___CompilerVisitor____cprogram(fra.me.REG[0])!=NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
@@ -2106,6 +2256,7 @@ val_t compiling___compiling_base___CompilerVisitor___cprogram(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___CompilerVisitor___init[] = "compiling_base::CompilerVisitor::init";
 void compiling___compiling_base___CompilerVisitor___init(val_t p0, val_t p1, val_t p2, int* init_table){
   int itpos1 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_compiling___compiling_base___CompilerVisitor].i;
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
@@ -2117,39 +2268,41 @@ void compiling___compiling_base___CompilerVisitor___init(val_t p0, val_t p1, val
   fra.me.meth = LOCATE_compiling___compiling_base___CompilerVisitor___init;
   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;
   fra.me.REG[2] = p2;
-  /* ./compiling//compiling_base.nit:227 */
+  /* compiling/compiling_base.nit:227 */
   ATTR_compiling___compiling_base___CompilerVisitor____mmmodule(fra.me.REG[0]) = fra.me.REG[1];
-  /* ./compiling//compiling_base.nit:228 */
+  /* compiling/compiling_base.nit:228 */
   ATTR_compiling___compiling_base___CompilerVisitor____cprogram(fra.me.REG[0]) = fra.me.REG[2];
-  /* ./compiling//compiling_base.nit:229 */
+  /* compiling/compiling_base.nit:229 */
   fra.me.REG[2] = CALL_compiling___compiling_base___CProgram___program(fra.me.REG[2])(fra.me.REG[2]);
   ATTR_compiling___compiling_base___CompilerVisitor____program(fra.me.REG[0]) = fra.me.REG[2];
-  /* ./compiling//compiling_base.nit:231 */
-  fra.me.REG[2] = NEW_Writer_compiling___compiling_writer___Writer___init();
-  /* ./compiling//compiling_base.nit:232 */
+  /* compiling/compiling_base.nit:231 */
+  fra.me.REG[2] = NEW_Writer_compiling_writer___Writer___init();
+  /* compiling/compiling_base.nit:232 */
   ATTR_compiling___compiling_base___CompilerVisitor____header_writer(fra.me.REG[0]) = fra.me.REG[2];
-  /* ./compiling//compiling_base.nit:233 */
+  /* compiling/compiling_base.nit:233 */
   ATTR_compiling___compiling_base___CompilerVisitor____decl_writer(fra.me.REG[0]) = fra.me.REG[2];
-  /* ./compiling//compiling_base.nit:234 */
-  fra.me.REG[1] = NEW_Writer_compiling___compiling_writer___Writer___init();
+  /* compiling/compiling_base.nit:234 */
+  fra.me.REG[1] = NEW_Writer_compiling_writer___Writer___init();
   fra.me.REG[2] = fra.me.REG[1];
-  /* ./compiling//compiling_base.nit:235 */
+  /* compiling/compiling_base.nit:235 */
   ATTR_compiling___compiling_base___CompilerVisitor____writer(fra.me.REG[0]) = fra.me.REG[2];
-  /* ./compiling//compiling_base.nit:236 */
+  /* compiling/compiling_base.nit:236 */
   ATTR_compiling___compiling_base___CompilerVisitor____top_writer(fra.me.REG[0]) = fra.me.REG[2];
-  /* ./compiling//compiling_base.nit:237 */
-  fra.me.REG[2] = CALL_compiling___compiling_writer___Writer___sub(fra.me.REG[2])(fra.me.REG[2]);
+  /* compiling/compiling_base.nit:237 */
+  fra.me.REG[2] = CALL_compiling_writer___Writer___sub(fra.me.REG[2])(fra.me.REG[2]);
   ATTR_compiling___compiling_base___CompilerVisitor____top_decl_writer(fra.me.REG[0]) = fra.me.REG[2];
   stack_frame_head = fra.me.prev;
   init_table[itpos1] = 1;
   return;
 }
+static const char LOCATE_compiling___compiling_base___MMGlobalProperty___meth_call[] = "compiling_base::MMGlobalProperty::meth_call";
 val_t compiling___compiling_base___MMGlobalProperty___meth_call(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -2162,11 +2315,12 @@ val_t compiling___compiling_base___MMGlobalProperty___meth_call(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___MMGlobalProperty___meth_call;
   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;
-  /* ./compiling//compiling_base.nit:245 */
+  /* compiling/compiling_base.nit:245 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -2196,6 +2350,7 @@ val_t compiling___compiling_base___MMGlobalProperty___meth_call(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_compiling___compiling_base___MMGlobalProperty___attr_access[] = "compiling_base::MMGlobalProperty::attr_access";
 val_t compiling___compiling_base___MMGlobalProperty___attr_access(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -2208,11 +2363,12 @@ val_t compiling___compiling_base___MMGlobalProperty___attr_access(val_t p0){
   fra.me.meth = LOCATE_compiling___compiling_base___MMGlobalProperty___attr_access;
   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;
-  /* ./compiling//compiling_base.nit:251 */
+  /* compiling/compiling_base.nit:251 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -2242,6 +2398,103 @@ val_t compiling___compiling_base___MMGlobalProperty___attr_access(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_compiling___compiling_base___MMGlobalProperty___vt_class_color[] = "compiling_base::MMGlobalProperty::vt_class_color";
+val_t compiling___compiling_base___MMGlobalProperty___vt_class_color(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_compiling___compiling_base;
+  fra.me.line = 254;
+  fra.me.meth = LOCATE_compiling___compiling_base___MMGlobalProperty___vt_class_color;
+  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;
+  /* compiling/compiling_base.nit:257 */
+  REGB0 = TAG_Int(3);
+  fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
+  if (!once_value_1) {
+    fra.me.REG[2] = BOX_NativeString("VTCOLOR_");
+    REGB0 = TAG_Int(8);
+    fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_1 = fra.me.REG[2];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[2] = once_value_1;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  fra.me.REG[0] = CALL_metamodel___abstractmetamodel___MMGlobalProperty___intro(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_compiling___compiling_base___MMLocalProperty___cname(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  if (!once_value_2) {
+    fra.me.REG[0] = BOX_NativeString("");
+    REGB0 = TAG_Int(0);
+    fra.me.REG[0] = NEW_String_standard___string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_2 = fra.me.REG[0];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[0] = once_value_2;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+static const char LOCATE_compiling___compiling_base___MMGlobalProperty___vt_class_id[] = "compiling_base::MMGlobalProperty::vt_class_id";
+val_t compiling___compiling_base___MMGlobalProperty___vt_class_id(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_compiling___compiling_base;
+  fra.me.line = 260;
+  fra.me.meth = LOCATE_compiling___compiling_base___MMGlobalProperty___vt_class_id;
+  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;
+  /* compiling/compiling_base.nit:263 */
+  REGB0 = TAG_Int(3);
+  fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
+  if (!once_value_1) {
+    fra.me.REG[2] = BOX_NativeString("VTID_");
+    REGB0 = TAG_Int(5);
+    fra.me.REG[2] = NEW_String_standard___string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_1 = fra.me.REG[2];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[2] = once_value_1;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  fra.me.REG[0] = CALL_metamodel___abstractmetamodel___MMGlobalProperty___intro(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_compiling___compiling_base___MMLocalProperty___cname(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  if (!once_value_2) {
+    fra.me.REG[0] = BOX_NativeString("");
+    REGB0 = TAG_Int(0);
+    fra.me.REG[0] = NEW_String_standard___string___String___with_native(fra.me.REG[0], REGB0);
+    once_value_2 = fra.me.REG[0];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[0] = once_value_2;
+  fra.me.REG[0] = fra.me.REG[0];
+  CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  fra.me.REG[1] = CALL_standard___string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+static const char LOCATE_compiling___compiling_base___MMGlobalClass___cname[] = "compiling_base::MMGlobalClass::cname";
 val_t compiling___compiling_base___MMGlobalClass___cname(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
   val_t REGB0;
@@ -2250,25 +2503,26 @@ val_t compiling___compiling_base___MMGlobalClass___cname(val_t p0){
     static val_t once_value_1; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling___compiling_base;
-  fra.me.line = 259;
+  fra.me.line = 271;
   fra.me.meth = LOCATE_compiling___compiling_base___MMGlobalClass___cname;
   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;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./compiling//compiling_base.nit:262 */
+  /* compiling/compiling_base.nit:274 */
   fra.me.REG[1] = ATTR_compiling___compiling_base___MMGlobalClass____cname_cache(fra.me.REG[0]);
-  /* ./compiling//compiling_base.nit:263 */
+  /* compiling/compiling_base.nit:275 */
   REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[1]==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[1])(fra.me.REG[1], NIT_NULL);
@@ -2276,7 +2530,7 @@ val_t compiling___compiling_base___MMGlobalClass___cname(val_t p0){
     }
   }
   if (UNTAG_Bool(REGB0)) {
-    /* ./compiling//compiling_base.nit:264 */
+    /* compiling/compiling_base.nit:276 */
     fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMGlobalClass___intro(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[2])(fra.me.REG[2]);
     fra.me.REG[2] = CALL_compiling___compiling_base___MMModule___cname(fra.me.REG[2])(fra.me.REG[2]);
@@ -2297,15 +2551,16 @@ val_t compiling___compiling_base___MMGlobalClass___cname(val_t p0){
     fra.me.REG[2] = CALL_utils___Object___cmangle(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
     fra.me.REG[2] = CALL_standard___string___String_____plus(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
     fra.me.REG[1] = fra.me.REG[2];
-    /* ./compiling//compiling_base.nit:265 */
+    /* compiling/compiling_base.nit:277 */
     ATTR_compiling___compiling_base___MMGlobalClass____cname_cache(fra.me.REG[0]) = fra.me.REG[1];
   }
-  /* ./compiling//compiling_base.nit:267 */
+  /* compiling/compiling_base.nit:279 */
   goto label2;
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_compiling___compiling_base___MMGlobalClass___id_id[] = "compiling_base::MMGlobalClass::id_id";
 val_t compiling___compiling_base___MMGlobalClass___id_id(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -2314,15 +2569,16 @@ val_t compiling___compiling_base___MMGlobalClass___id_id(val_t p0){
   static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling___compiling_base;
-  fra.me.line = 270;
+  fra.me.line = 282;
   fra.me.meth = LOCATE_compiling___compiling_base___MMGlobalClass___id_id;
   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;
-  /* ./compiling//compiling_base.nit:273 */
+  /* compiling/compiling_base.nit:285 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -2351,6 +2607,7 @@ val_t compiling___compiling_base___MMGlobalClass___id_id(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_compiling___compiling_base___MMGlobalClass___color_id[] = "compiling_base::MMGlobalClass::color_id";
 val_t compiling___compiling_base___MMGlobalClass___color_id(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -2359,15 +2616,16 @@ val_t compiling___compiling_base___MMGlobalClass___color_id(val_t p0){
   static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling___compiling_base;
-  fra.me.line = 276;
+  fra.me.line = 288;
   fra.me.meth = LOCATE_compiling___compiling_base___MMGlobalClass___color_id;
   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;
-  /* ./compiling//compiling_base.nit:279 */
+  /* compiling/compiling_base.nit:291 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -2396,6 +2654,7 @@ val_t compiling___compiling_base___MMGlobalClass___color_id(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_compiling___compiling_base___MMGlobalClass___init_table_pos_id[] = "compiling_base::MMGlobalClass::init_table_pos_id";
 val_t compiling___compiling_base___MMGlobalClass___init_table_pos_id(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -2404,15 +2663,16 @@ val_t compiling___compiling_base___MMGlobalClass___init_table_pos_id(val_t p0){
   static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling___compiling_base;
-  fra.me.line = 282;
+  fra.me.line = 294;
   fra.me.meth = LOCATE_compiling___compiling_base___MMGlobalClass___init_table_pos_id;
   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;
-  /* ./compiling//compiling_base.nit:285 */
+  /* compiling/compiling_base.nit:297 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {
@@ -2441,6 +2701,7 @@ val_t compiling___compiling_base___MMGlobalClass___init_table_pos_id(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_compiling___compiling_base___MMModule___cname[] = "compiling_base::MMModule::cname";
 val_t compiling___compiling_base___MMModule___cname(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
   val_t REGB0;
@@ -2449,10 +2710,11 @@ val_t compiling___compiling_base___MMModule___cname(val_t p0){
     static val_t once_value_3; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling___compiling_base;
-  fra.me.line = 293;
+  fra.me.line = 305;
   fra.me.meth = LOCATE_compiling___compiling_base___MMModule___cname;
   fra.me.has_broke = 0;
   fra.me.REG_size = 6;
+  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;
@@ -2460,15 +2722,15 @@ val_t compiling___compiling_base___MMModule___cname(val_t p0){
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[5] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./compiling//compiling_base.nit:296 */
+  /* compiling/compiling_base.nit:308 */
   fra.me.REG[1] = ATTR_compiling___compiling_base___MMModule____cname_cache(fra.me.REG[0]);
-  /* ./compiling//compiling_base.nit:297 */
+  /* compiling/compiling_base.nit:309 */
   REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[1]==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[1])(fra.me.REG[1], NIT_NULL);
@@ -2476,18 +2738,18 @@ val_t compiling___compiling_base___MMModule___cname(val_t p0){
     }
   }
   if (UNTAG_Bool(REGB0)) {
-    /* ./compiling//compiling_base.nit:298 */
+    /* compiling/compiling_base.nit:310 */
     fra.me.REG[2] = NEW_List_standard___collection___list___List___init();
-    /* ./compiling//compiling_base.nit:299 */
+    /* compiling/compiling_base.nit:311 */
     fra.me.REG[3] = fra.me.REG[0];
-    /* ./compiling//compiling_base.nit:300 */
+    /* compiling/compiling_base.nit:312 */
     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);
@@ -2496,31 +2758,31 @@ val_t compiling___compiling_base___MMModule___cname(val_t p0){
       }
       REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
       if (UNTAG_Bool(REGB0)) {
-        /* ./compiling//compiling_base.nit:301 */
+        /* compiling/compiling_base.nit:313 */
         REGB0 = TAG_Int(0);
         fra.me.REG[4] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
         REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
         if (UNTAG_Bool(REGB0)) {
-          nit_abort("Reciever is null", NULL, LOCATE_compiling___compiling_base, 301);
+          nit_abort("Reciever is null", NULL, LOCATE_compiling___compiling_base, 313);
         }
         fra.me.REG[5] = CALL_metamodel___abstractmetamodel___MMModule___name(fra.me.REG[3])(fra.me.REG[3]);
         CALL_standard___collection___abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
         fra.me.REG[4] = CALL_utils___Object___cmangle(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[4]);
         CALL_standard___collection___abstract_collection___Sequence___unshift(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
-        /* ./compiling//compiling_base.nit:302 */
+        /* compiling/compiling_base.nit:314 */
         REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
         if (UNTAG_Bool(REGB0)) {
-          nit_abort("Reciever is null", NULL, LOCATE_compiling___compiling_base, 302);
+          nit_abort("Reciever is null", NULL, LOCATE_compiling___compiling_base, 314);
         }
         fra.me.REG[4] = CALL_metamodel___abstractmetamodel___MMModule___directory(fra.me.REG[3])(fra.me.REG[3]);
-        /* ./compiling//compiling_base.nit:303 */
+        /* compiling/compiling_base.nit:315 */
         while(1) {
           REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
           if (UNTAG_Bool(REGB0)) {
           } else {
             REGB1 = TAG_Bool(fra.me.REG[4]==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[4])(fra.me.REG[4], NIT_NULL);
@@ -2531,7 +2793,7 @@ val_t compiling___compiling_base___MMModule___cname(val_t p0){
           if (UNTAG_Bool(REGB0)) {
             REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
             if (UNTAG_Bool(REGB0)) {
-              nit_abort("Reciever is null", NULL, LOCATE_compiling___compiling_base, 303);
+              nit_abort("Reciever is null", NULL, LOCATE_compiling___compiling_base, 315);
             }
             fra.me.REG[5] = CALL_metamodel___abstractmetamodel___MMDirectory___owner(fra.me.REG[4])(fra.me.REG[4]);
             REGB0 = TAG_Bool(IS_EQUAL_NN(fra.me.REG[5],fra.me.REG[3]));
@@ -2539,7 +2801,7 @@ val_t compiling___compiling_base___MMModule___cname(val_t p0){
             } else {
               REGB1 = TAG_Bool(fra.me.REG[5]==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[5])(fra.me.REG[5], fra.me.REG[3]);
@@ -2547,13 +2809,13 @@ val_t compiling___compiling_base___MMModule___cname(val_t p0){
               }
             }
           } else {
-            REGB1 = TAG_Bool(false);
+            REGB1 = TAG_Bool(0);
             REGB0 = REGB1;
           }
           if (UNTAG_Bool(REGB0)) {
             REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
             if (UNTAG_Bool(REGB0)) {
-              nit_abort("Reciever is null", NULL, LOCATE_compiling___compiling_base, 303);
+              nit_abort("Reciever is null", NULL, LOCATE_compiling___compiling_base, 315);
             }
             fra.me.REG[5] = CALL_metamodel___abstractmetamodel___MMDirectory___parent(fra.me.REG[4])(fra.me.REG[4]);
             fra.me.REG[4] = fra.me.REG[5];
@@ -2562,13 +2824,13 @@ val_t compiling___compiling_base___MMModule___cname(val_t p0){
           }
         }
         label1: while(0);
-        /* ./compiling//compiling_base.nit:304 */
+        /* compiling/compiling_base.nit:316 */
         REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
         if (UNTAG_Bool(REGB0)) {
         } else {
           REGB1 = TAG_Bool(fra.me.REG[4]==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[4])(fra.me.REG[4], NIT_NULL);
@@ -2580,18 +2842,18 @@ val_t compiling___compiling_base___MMModule___cname(val_t p0){
         } else {
           REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
           if (UNTAG_Bool(REGB0)) {
-            nit_abort("Reciever is null", NULL, LOCATE_compiling___compiling_base, 304);
+            nit_abort("Reciever is null", NULL, LOCATE_compiling___compiling_base, 316);
           }
           fra.me.REG[4] = CALL_metamodel___abstractmetamodel___MMDirectory___owner(fra.me.REG[4])(fra.me.REG[4]);
           fra.me.REG[3] = fra.me.REG[4];
         }
       } else {
-        /* ./compiling//compiling_base.nit:300 */
+        /* compiling/compiling_base.nit:312 */
         goto label2;
       }
     }
     label2: while(0);
-    /* ./compiling//compiling_base.nit:306 */
+    /* compiling/compiling_base.nit:318 */
     fra.me.REG[2] = CALL_standard___collection___array___Collection___to_a(fra.me.REG[2])(fra.me.REG[2]);
     if (!once_value_3) {
       fra.me.REG[3] = BOX_NativeString("___");
@@ -2603,27 +2865,29 @@ val_t compiling___compiling_base___MMModule___cname(val_t p0){
     fra.me.REG[3] = fra.me.REG[3];
     fra.me.REG[3] = CALL_standard___string___Collection___join(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
     fra.me.REG[1] = fra.me.REG[3];
-    /* ./compiling//compiling_base.nit:307 */
+    /* compiling/compiling_base.nit:319 */
     ATTR_compiling___compiling_base___MMModule____cname_cache(fra.me.REG[0]) = fra.me.REG[1];
   }
-  /* ./compiling//compiling_base.nit:309 */
+  /* compiling/compiling_base.nit:321 */
   goto label4;
   label4: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_compiling___compiling_base___MMLocalClass___cname[] = "compiling_base::MMLocalClass::cname";
 val_t compiling___compiling_base___MMLocalClass___cname(val_t p0){
   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_compiling___compiling_base;
-  fra.me.line = 314;
+  fra.me.line = 326;
   fra.me.meth = LOCATE_compiling___compiling_base___MMLocalClass___cname;
   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;
-  /* ./compiling//compiling_base.nit:315 */
+  /* compiling/compiling_base.nit:327 */
   fra.me.REG[0] = CALL_metamodel___abstractmetamodel___MMLocalClass___global(fra.me.REG[0])(fra.me.REG[0]);
   fra.me.REG[0] = CALL_compiling___compiling_base___MMGlobalClass___cname(fra.me.REG[0])(fra.me.REG[0]);
   goto label1;
@@ -2631,6 +2895,7 @@ val_t compiling___compiling_base___MMLocalClass___cname(val_t p0){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
+static const char LOCATE_compiling___compiling_base___MMLocalProperty___cname[] = "compiling_base::MMLocalProperty::cname";
 val_t compiling___compiling_base___MMLocalProperty___cname(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
   val_t REGB0;
@@ -2639,25 +2904,26 @@ val_t compiling___compiling_base___MMLocalProperty___cname(val_t p0){
     static val_t once_value_1; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling___compiling_base;
-  fra.me.line = 322;
+  fra.me.line = 334;
   fra.me.meth = LOCATE_compiling___compiling_base___MMLocalProperty___cname;
   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;
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[4] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./compiling//compiling_base.nit:325 */
+  /* compiling/compiling_base.nit:337 */
   fra.me.REG[1] = ATTR_compiling___compiling_base___MMLocalProperty____cname_cache(fra.me.REG[0]);
-  /* ./compiling//compiling_base.nit:326 */
+  /* compiling/compiling_base.nit:338 */
   REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
   if (UNTAG_Bool(REGB0)) {
   } else {
     REGB1 = TAG_Bool(fra.me.REG[1]==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[1])(fra.me.REG[1], NIT_NULL);
@@ -2665,7 +2931,7 @@ val_t compiling___compiling_base___MMLocalProperty___cname(val_t p0){
     }
   }
   if (UNTAG_Bool(REGB0)) {
-    /* ./compiling//compiling_base.nit:327 */
+    /* compiling/compiling_base.nit:339 */
     fra.me.REG[2] = CALL_metamodel___abstractmetamodel___MMLocalProperty___mmmodule(fra.me.REG[0])(fra.me.REG[0]);
     fra.me.REG[2] = CALL_compiling___compiling_base___MMModule___cname(fra.me.REG[2])(fra.me.REG[2]);
     if (!once_value_1) {
@@ -2687,15 +2953,16 @@ val_t compiling___compiling_base___MMLocalProperty___cname(val_t p0){
     fra.me.REG[2] = CALL_utils___Object___cmangle(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
     fra.me.REG[2] = CALL_standard___string___String_____plus(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
     fra.me.REG[1] = fra.me.REG[2];
-    /* ./compiling//compiling_base.nit:328 */
+    /* compiling/compiling_base.nit:340 */
     ATTR_compiling___compiling_base___MMLocalProperty____cname_cache(fra.me.REG[0]) = fra.me.REG[1];
   }
-  /* ./compiling//compiling_base.nit:330 */
+  /* compiling/compiling_base.nit:342 */
   goto label2;
   label2: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
+static const char LOCATE_compiling___compiling_base___MMLocalProperty___super_meth_call[] = "compiling_base::MMLocalProperty::super_meth_call";
 val_t compiling___compiling_base___MMLocalProperty___super_meth_call(val_t p0){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
@@ -2704,15 +2971,16 @@ val_t compiling___compiling_base___MMLocalProperty___super_meth_call(val_t p0){
   static val_t once_value_2; /* Once value */
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
   fra.me.file = LOCATE_compiling___compiling_base;
-  fra.me.line = 333;
+  fra.me.line = 345;
   fra.me.meth = LOCATE_compiling___compiling_base___MMLocalProperty___super_meth_call;
   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;
-  /* ./compiling//compiling_base.nit:336 */
+  /* compiling/compiling_base.nit:348 */
   REGB0 = TAG_Int(3);
   fra.me.REG[1] = NEW_Array_standard___collection___array___Array___with_capacity(REGB0);
   if (!once_value_1) {