* eval.c (rb_iterate): NODE_CFUNC does not protect its data

  (nd_tval), so create new node NODE_IFUNC for iteration C
  function.

* eval.c (rb_yield_0): use NODE_IFUNC.

* gc.c (rb_gc_mark): support NODE_IFUNC.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1088 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/node.h b/node.h
index 1904a0a072..19e95cd4f2 100644
--- a/node.h
+++ b/node.h
@@ -21,6 +21,7 @@ enum node_type {
     NODE_METHOD,
     NODE_FBODY,
     NODE_CFUNC,
+    NODE_IFUNC,
     NODE_SCOPE,
     NODE_BLOCK,
     NODE_IF,
@@ -234,6 +235,7 @@ typedef struct RNode {
 #define NEW_DEFN(i,a,d,p) rb_node_newnode(NODE_DEFN,p,i,NEW_RFUNC(a,d))
 #define NEW_DEFS(r,i,a,d) rb_node_newnode(NODE_DEFS,r,i,NEW_RFUNC(a,d))
 #define NEW_CFUNC(f,c) rb_node_newnode(NODE_CFUNC,f,c,0)
+#define NEW_IFUNC(f,c) rb_node_newnode(NODE_IFUNC,f,c,0)
 #define NEW_RFUNC(b1,b2) NEW_SCOPE(block_append(b1,b2))
 #define NEW_SCOPE(b) rb_node_newnode(NODE_SCOPE,local_tbl(),cur_cref,(b))
 #define NEW_BLOCK(a) rb_node_newnode(NODE_BLOCK,a,0,0)