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merges r21925 from trunk into ruby_1_9_1.

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* variable.c (rb_const_get_0), vm_insnhelper.c (vm_get_ev_const):
  avoids infinite self recursion autoload.  [ruby-core:21696]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@21956 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
yugui 2009-02-02 08:07:15 +00:00
parent 045c0422ac
commit db2f9b17e3
4 changed files with 19 additions and 0 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Sun Feb 1 05:19:43 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* variable.c (rb_const_get_0), vm_insnhelper.c (vm_get_ev_const):
avoids infinite self recursion autoload. [ruby-core:21696]
Fri Jan 30 14:31:14 2009 NAKAMURA Usaku <usa@ruby-lang.org>
* tool/make-snapshot (prereq): remove enc.mk from tarball because

8
bootstraptest/test_autoload.rb
View file

@ -59,3 +59,11 @@ assert_equal 'okok', %q{
[t1.value, t2.value].join
}
assert_finish 5, %q{
autoload :ZZZ, File.expand_path(__FILE__)
begin
ZZZ
rescue NameError
end
}, '[ruby-core:21696]'

3
variable.c
View file

@ -1470,8 +1470,11 @@ rb_const_get_0(VALUE klass, ID id, int exclude, int recurse)
tmp = klass;
retry:
while (RTEST(tmp)) {
VALUE am = 0;
while (RCLASS_IV_TBL(tmp) && st_lookup(RCLASS_IV_TBL(tmp),id,&value)) {
if (value == Qundef) {
if (am == tmp) break;
am = tmp;
rb_autoload_load(tmp, id);
continue;
}

3
vm_insnhelper.c
View file

@ -1082,10 +1082,13 @@ vm_get_ev_const(rb_thread_t *th, const rb_iseq_t *iseq,
cref = cref->nd_next;
if (!NIL_P(klass)) {
VALUE am = 0;
search_continue:
if (RCLASS_IV_TBL(klass) &&
st_lookup(RCLASS_IV_TBL(klass), id, &val)) {
if (val == Qundef) {
if (am == klass) break;
am = klass;
rb_autoload_load(klass, id);
goto search_continue;
}