From a2229db3e8a88002697ee2fcb45128bcf4914bbd Mon Sep 17 00:00:00 2001 From: nobu Date: Mon, 12 Mar 2012 03:44:40 +0000 Subject: * vm_method.c (Init_eval_method): copy basic methods to Exception. [ruby-core:40287][Bug #5473] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34983 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- vm_method.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'vm_method.c') diff --git a/vm_method.c b/vm_method.c index d9f4a0315a..aa636d02ea 100644 --- a/vm_method.c +++ b/vm_method.c @@ -6,6 +6,8 @@ #define CACHE_MASK 0x7ff #define EXPR1(c,m) ((((c)>>3)^(m))&CACHE_MASK) +#define NOEX_NOREDEF NOEX_RESPONDS + static void rb_vm_check_redefinition_opt_method(const rb_method_entry_t *me, VALUE klass); static ID object_id, respond_to_missing; @@ -195,6 +197,11 @@ rb_method_entry_make(VALUE klass, ID mid, rb_method_type_t type, rb_method_definition_t *old_def = old_me->def; if (rb_method_definition_eq(old_def, def)) return old_me; +#if 0 + if (old_me->flag & NOEX_NOREDEF) { + rb_raise(rb_eTypeError, "cannot redefine %s#%s", rb_class2name(klass), rb_id2name(mid)); + } +#endif rb_vm_check_redefinition_opt_method(old_me, klass); if (RTEST(ruby_verbose) && @@ -1385,5 +1392,14 @@ Init_eval_method(void) singleton_undefined = rb_intern("singleton_method_undefined"); attached = rb_intern("__attached__"); respond_to_missing = rb_intern("respond_to_missing?"); + + { +#define REPLICATE_METHOD(klass, id) \ + rb_method_entry_set((klass), (id), rb_method_entry((klass), (id)), \ + (rb_method_flag_t)(NOEX_PRIVATE | NOEX_BASIC | NOEX_NOREDEF)) + REPLICATE_METHOD(rb_eException, idMethodMissing); + REPLICATE_METHOD(rb_eException, idRespond_to); + REPLICATE_METHOD(rb_eException, respond_to_missing); + } } -- cgit v1.2.3