From 82f62ff041ddc665b102fb6fe9b855d82e2f6903 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 15 Jun 2008 12:05:53 +0000
Subject: merge revision(s) 15856: 	* class.c (clone_method): should copy
 cref as well. 	  [ruby-core:15833]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_5@17220 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 class.c | 50 ++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 40 insertions(+), 10 deletions(-)

(limited to 'class.c')

diff --git a/class.c b/class.c
index 9e41b1e260..ca2516d5a1 100644
--- a/class.c
+++ b/class.c
@@ -48,13 +48,26 @@ rb_class_new(super)
     return rb_class_boot(super);
 }
 
+struct clone_method_data {
+    st_table *tbl;
+    VALUE klass;
+};
+
 static int
-clone_method(mid, body, tbl)
+clone_method(mid, body, data)
     ID mid;
     NODE *body;
-    st_table *tbl;
+    struct clone_method_data *data;
 {
-    st_insert(tbl, mid, (st_data_t)NEW_METHOD(body->nd_body, body->nd_noex));
+    NODE *fbody = body->nd_body;
+
+    if (fbody && nd_type(fbody) == NODE_SCOPE) {
+	VALUE cref = data->klass ?
+	    (VALUE)NEW_NODE(NODE_CREF,data->klass,0,fbody->nd_rval) :
+	    fbody->nd_rval;
+	fbody = NEW_NODE(NODE_SCOPE, fbody->nd_tbl, cref, fbody->nd_next);
+    }
+    st_insert(data->tbl, mid, (st_data_t)NEW_METHOD(fbody, body->nd_noex));
     return ST_CONTINUE;
 }
 
@@ -65,7 +78,8 @@ rb_mod_init_copy(clone, orig)
 {
     rb_obj_init_copy(clone, orig);
     if (!FL_TEST(CLASS_OF(clone), FL_SINGLETON)) {
-	RBASIC(clone)->klass = rb_singleton_class_clone(orig);
+	RBASIC(clone)->klass = RBASIC(orig)->klass;
+	RBASIC(clone)->klass = rb_singleton_class_clone(clone);
     }
     RCLASS(clone)->super = RCLASS(orig)->super;
     if (RCLASS(orig)->iv_tbl) {
@@ -78,9 +92,12 @@ rb_mod_init_copy(clone, orig)
 	st_delete(RCLASS(clone)->iv_tbl, (st_data_t*)&id, 0);
     }
     if (RCLASS(orig)->m_tbl) {
-	RCLASS(clone)->m_tbl = st_init_numtable();
-	st_foreach(RCLASS(orig)->m_tbl, clone_method,
-	  (st_data_t)RCLASS(clone)->m_tbl);
+	struct clone_method_data data;
+
+	data.tbl = RCLASS(clone)->m_tbl = st_init_numtable();
+	data.klass = (VALUE)clone;
+
+	st_foreach(RCLASS(orig)->m_tbl, clone_method, (st_data_t)&data);
     }
 
     return clone;
@@ -126,9 +143,22 @@ rb_singleton_class_clone(obj)
 	if (RCLASS(klass)->iv_tbl) {
 	    clone->iv_tbl = st_copy(RCLASS(klass)->iv_tbl);
 	}
-	clone->m_tbl = st_init_numtable();
-	st_foreach(RCLASS(klass)->m_tbl, clone_method,
-	  (st_data_t)clone->m_tbl);
+	{
+	    struct clone_method_data data;
+
+	    data.tbl = clone->m_tbl = st_init_numtable();
+	    switch (TYPE(obj)) {
+	      case T_CLASS:
+	      case T_MODULE:
+		data.klass = obj;
+		break;
+	      default:
+		data.klass = 0;
+		break;
+	    }
+
+	    st_foreach(RCLASS(klass)->m_tbl, clone_method, (st_data_t)&data);
+	}
 	rb_singleton_class_attached(RBASIC(clone)->klass, (VALUE)clone);
 	FL_SET(clone, FL_SINGLETON);
 	return (VALUE)clone;
-- 
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