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* hash.c (rb_any_cmp): should handle Qundef in keys.

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* eval.c (remove_method): should not remove a empty method to
  implement "undef".

* eval.c (rb_eval): should allow singleton class def for
  true/false/nil.

* parse.y (str_extend): backslash escape was done wrong.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2102 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2002-02-20 04:31:50 +00:00
parent dc7f9c1f89
commit c46468d773
5 changed files with 36 additions and 10 deletions
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27
eval.c
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@ -311,7 +311,7 @@ remove_method(klass, mid)
rb_raise(rb_eSecurityError, "Insecure: can't remove method");
}
if (OBJ_FROZEN(klass)) rb_error_frozen("class/module");
if (!st_delete(RCLASS(klass)->m_tbl, &mid, &body)) {
if (!st_delete(RCLASS(klass)->m_tbl, &mid, &body) || !body->nd_body) {
rb_name_error(mid, "method `%s' not defined in %s",
rb_id2name(mid), rb_class2name(klass));
}
@ -3301,14 +3301,25 @@ rb_eval(self, n)
{
VALUE klass;
klass = rb_eval(self, node->nd_recv);
if (rb_special_const_p(klass)) {
rb_raise(rb_eTypeError, "no virtual class for %s",
rb_class2name(CLASS_OF(klass)));
result = rb_eval(self, node->nd_recv);
if (result == Qtrue) {
klass = rb_cTrueClass;
}
else if (result == Qfalse) {
klass = rb_cTrueClass;
}
else if (result == Qnil) {
klass = rb_cNilClass;
}
else {
if (rb_special_const_p(result)) {
rb_raise(rb_eTypeError, "no virtual class for %s",
rb_class2name(CLASS_OF(klass)));
}
if (rb_safe_level() >= 4 && !OBJ_TAINTED(result))
rb_raise(rb_eSecurityError, "Insecure: can't extend object");
klass = rb_singleton_class(result);
}
if (rb_safe_level() >= 4 && !OBJ_TAINTED(klass))
rb_raise(rb_eSecurityError, "Insecure: can't extend object");
klass = rb_singleton_class(klass);
if (ruby_wrapper) {
rb_extend_object(klass, ruby_wrapper);