From e92d4e2680716d3e16a264e46394cb6e458699f9 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Thu, 7 Nov 2013 03:54:22 +0900
Subject: modified to use irep->reps to reference child ireps.  preparation for
 removing irep array from mrb_state.  note that instructions OP_LAMBDA,
 OP_EXEC and OP_EPUSH are incompatible, and dumped mrb format has changed.

---
 src/gc.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'src/gc.c')

diff --git a/src/gc.c b/src/gc.c
index ccd925da8..e8dce1fdf 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -470,6 +470,31 @@ mark_context(mrb_state *mrb, struct mrb_context *c)
   }
 }
 
+static size_t
+mark_irep_pool_size(mrb_state *mrb, mrb_irep *irep)
+{
+  size_t size = irep->plen;
+  size_t i;
+
+  for (i=0; i<irep->rlen; i++) {
+    size += mark_irep_pool_size(mrb, irep->reps[i]);
+  }
+  return size;
+}
+
+static void
+mark_irep_pool(mrb_state *mrb, mrb_irep *irep)
+{
+  size_t i;
+
+  for (i=0; i<irep->plen; i++) {
+    mrb_gc_mark_value(mrb, irep->pool[i]);
+  }
+  for (i=0; i<irep->rlen; i++) {
+    mark_irep_pool(mrb, irep->reps[i]);
+  }
+}
+
 static void
 gc_mark_children(mrb_state *mrb, struct RBasic *obj)
 {
@@ -504,6 +529,9 @@ gc_mark_children(mrb_state *mrb, struct RBasic *obj)
 
       mrb_gc_mark(mrb, (struct RBasic*)p->env);
       mrb_gc_mark(mrb, (struct RBasic*)p->target_class);
+      if (!MRB_PROC_CFUNC_P(p)) {
+        mark_irep_pool(mrb, p->body.irep);
+      }
     }
     break;
 
@@ -771,6 +799,10 @@ gc_gray_mark(mrb_state *mrb, struct RBasic *obj)
     break;
 
   case MRB_TT_PROC:
+    if (!MRB_PROC_CFUNC_P((struct RProc*)obj)) {
+      children += mark_irep_pool_size(mrb, ((struct RProc*)obj)->body.irep);
+    }
+    /* fall through */
   case MRB_TT_RANGE:
     children+=2;
     break;
-- 
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