add mrbc option `--remove-lv`

* refactor: move `irep_remove_lv` from `mruby-bin-strip` gem to src/dump and rename to `mrb_irep_remove_lv`
* add: mrbc option `--remove-lv` to remove LVAR section

2 files changed, 10 insertions, 17 deletions

diff --git a/mrbgems/mruby-bin-mrbc/tools/mrbc/mrbc.c b/mrbgems/mruby-bin-mrbc/tools/mrbc/mrbc.c
index 580c2e25b..2fd9da77d 100644
--- a/mrbgems/mruby-bin-mrbc/tools/mrbc/mrbc.c
+++ b/mrbgems/mruby-bin-mrbc/tools/mrbc/mrbc.c
@@ -18,6 +18,7 @@ struct mrbc_args {
   const char *initname;
   mrb_bool check_syntax : 1;
   mrb_bool verbose      : 1;
+  mrb_bool remove_lv    : 1;
   unsigned int flags    : 4;
 };
 
@@ -33,6 +34,7 @@ usage(const char *name)
   "-B<symbol>   binary <symbol> output in C language format",
   "-e           generate little endian iseq data",
   "-E           generate big endian iseq data",
+  "--remove-lv  remove local variables",
   "--verbose    run at verbose mode",
   "--version    print the version",
   "--copyright  print the copyright",
@@ -142,6 +144,10 @@ parse_args(mrb_state *mrb, int argc, char **argv, struct mrbc_args *args)
           mrb_show_copyright(mrb);
           exit(EXIT_SUCCESS);
         }
+        else if (strcmp(argv[i] + 2, "remove-lv") == 0) {
+          args->remove_lv = TRUE;
+          break;
+        }
         return -1;
       default:
         return i;
@@ -232,6 +238,9 @@ dump_file(mrb_state *mrb, FILE *wfp, const char *outfile, struct RProc *proc, st
   int n = MRB_DUMP_OK;
   mrb_irep *irep = proc->body.irep;
 
+  if (args->remove_lv) {
+    mrb_irep_remove_lv(mrb, irep);
+  }
   if (args->initname) {
     n = mrb_dump_irep_cfunc(mrb, irep, args->flags, wfp, args->initname);
     if (n == MRB_DUMP_INVALID_ARGUMENT) {
diff --git a/mrbgems/mruby-bin-strip/tools/mruby-strip/mruby-strip.c b/mrbgems/mruby-bin-strip/tools/mruby-strip/mruby-strip.c
index deb66d54c..fb78b0c3b 100644
--- a/mrbgems/mruby-bin-strip/tools/mruby-strip/mruby-strip.c
+++ b/mrbgems/mruby-bin-strip/tools/mruby-strip/mruby-strip.c
@@ -12,22 +12,6 @@ struct strip_args {
   mrb_bool lvar;
 };
 
-
-static void
-irep_remove_lv(mrb_state *mrb, mrb_irep *irep)
-{
-  int i;
-
-  if (irep->lv) {
-    mrb_free(mrb, irep->lv);
-    irep->lv = NULL;
-  }
-
-  for (i = 0; i < irep->rlen; ++i) {
-    irep_remove_lv(mrb, irep->reps[i]);
-  }
-}
-
 static void
 print_usage(const char *f)
 {
@@ -99,7 +83,7 @@ strip(mrb_state *mrb, struct strip_args *args)
 
     /* clear lv if --lvar is enabled */
     if (args->lvar) {
-      irep_remove_lv(mrb, irep);
+      mrb_irep_remove_lv(mrb, irep);
     }
 
     wfile = fopen(filename, "wb");