matz	2008-05-14 07:53:01 +0900 (Wed, 14 May 2008)

  New Revision: 16408

  Modified files:
    trunk/ChangeLog
    trunk/eval.c

  Log:
    * eval.c (rb_call0): defer calling of rb_frame_self() until it
      become really necessary.
    
    * eval.c (rb_call): ditto.

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=16408&r2=16407&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/eval.c?r1=16408&r2=16407&diff_format=u

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 16407)
+++ ChangeLog	(revision 16408)
@@ -1,3 +1,10 @@
+Wed May 14 07:49:35 2008  Yukihiro Matsumoto  <matz@r...>
+
+	* eval.c (rb_call0): defer calling of rb_frame_self() until it
+	  become really necessary.
+
+	* eval.c (rb_call): ditto.
+
 Wed May 14 00:55:56 2008  Yusuke Endoh  <mame@t...>
 
 	* test/ruby/test_io_m17n.rb: remove a duplicative method.
Index: eval.c
===================================================================
--- eval.c	(revision 16407)
+++ eval.c	(revision 16408)
@@ -1412,7 +1412,10 @@
 		if (TYPE(defined_class) == T_ICLASS) {
 		    defined_class = RBASIC(defined_class)->klass;
 		}
-		
+
+		if (self == Qundef) {
+		    self = rb_frame_self();
+		}
 		if (!rb_obj_is_kind_of(self, rb_class_real(defined_class))) {
 		    return method_missing(recv, mid, argc, argv, NOEX_PROTECTED);
 		}
@@ -1450,7 +1453,7 @@
 static VALUE
 rb_call(VALUE klass, VALUE recv, ID mid, int argc, const VALUE *argv, int scope)
 {
-    return rb_call0(klass, recv, mid, argc, argv, scope, rb_frame_self());
+    return rb_call0(klass, recv, mid, argc, argv, scope, Qundef);
 }
 
 VALUE

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