range: Embed edges in RRange on boxing environment.

[Breaking changes]

Developers must use following APIs for accessing attributes of RRange
because RRange structure depends on boxing setting.

- mrb_range_beg
- mrb_range_end
- mrb_range_excl_p

1 files changed, 2 insertions, 9 deletions

diff --git a/src/gc.c b/src/gc.c
index a52c64bfa..ec52787e8 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -739,14 +739,7 @@ gc_mark_children(mrb_state *mrb, mrb_gc *gc, struct RBasic *obj)
     break;
 
   case MRB_TT_RANGE:
-    {
-      struct RRange *r = (struct RRange*)obj;
-
-      if (r->edges) {
-        mrb_gc_mark_value(mrb, r->edges->beg);
-        mrb_gc_mark_value(mrb, r->edges->end);
-      }
-    }
+    mrb_gc_mark_range(mrb, (struct RRange*)obj);
     break;
 
   default:
@@ -870,7 +863,7 @@ obj_free(mrb_state *mrb, struct RBasic *obj, int end)
     break;
 
   case MRB_TT_RANGE:
-    mrb_free(mrb, ((struct RRange*)obj)->edges);
+    mrb_gc_free_range(mrb, ((struct RRange*)obj));
     break;
 
   case MRB_TT_DATA: