From: nobu.nokada@...
Date: 2002-01-08T05:41:54+09:00
Subject: Re: Possible bug with struct.c (Re:  Re: Structs and Marshalling)

At Tue, 8 Jan 2002 02:36:12 +0900,
ts <decoux@moulon.inra.fr> wrote:
>  One possible solution is to call rb_clear_cache(), when
>  rb_define_class_xxx() (same for Module) don't create a new class but
>  return an old one but this is a *BIG MODIFICATION*

Another solution is to call rb_clear_cache_by_id() when a
method is replaced. 

Probably, new functions like rb_clear_cache_by_node() and
st_swap() might be effective.

# I wonder the same problem can occur when any methods are
# replaced...


Index: eval.c
===================================================================
RCS file: /cvs/ruby/src/ruby/eval.c,v
retrieving revision 1.238
diff -u -2 -p -r1.238 eval.c
--- eval.c	2002/01/04 14:14:34	1.238
+++ eval.c	2002/01/07 19:25:54
@@ -230,5 +230,6 @@ rb_add_method(klass, mid, node, noex)
     if (OBJ_FROZEN(klass)) rb_error_frozen("class/module");
     body = NEW_METHOD(node, noex);
-    st_insert(RCLASS(klass)->m_tbl, mid, body);
+    if (st_insert(RCLASS(klass)->m_tbl, mid, body))
+	rb_clear_cache_by_id(mid);
 }
 


-- 
Nobu Nakada