From 1d16646506ff7bc95d501deaee67740b08b218b5 Mon Sep 17 00:00:00 2001
From: Hiroshi Mimaki <hiroshi.mimaki@gmail.com>
Date: Wed, 2 May 2018 20:52:02 +0900
Subject: Add `-d` option for `mruby` and `mirb`.

---
 mrbgems/mruby-bin-mruby/tools/mruby/mruby.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'mrbgems/mruby-bin-mruby/tools')

diff --git a/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c b/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
index 61d4cde94..0db2c3f37 100644
--- a/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
+++ b/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
@@ -27,6 +27,7 @@ struct _args {
   mrb_bool mrbfile      : 1;
   mrb_bool check_syntax : 1;
   mrb_bool verbose      : 1;
+  mrb_bool debug        : 1;
   int argc;
   char** argv;
 };
@@ -38,6 +39,7 @@ usage(const char *name)
   "switches:",
   "-b           load and execute RiteBinary (mrb) file",
   "-c           check syntax only",
+  "-d           Set debugging flags (set $DEBUG to true)"
   "-e 'command' one line of script",
   "-v           print version number, then run in verbose mode",
   "--verbose    run in verbose mode",
@@ -78,6 +80,9 @@ parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
     case 'c':
       args->check_syntax = TRUE;
       break;
+    case 'd':
+      args->debug = TRUE;
+      break;
     case 'e':
       if (item[0]) {
         goto append_cmdline;
@@ -199,6 +204,7 @@ main(int argc, char **argv)
       }
     }
     mrb_define_global_const(mrb, "ARGV", ARGV);
+    mrb_gv_set(mrb, mrb_intern_lit(mrb, "$DEBUG"), mrb_bool_value(args.debug));
 
     c = mrbc_context_new(mrb);
     if (args.verbose)
-- 
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