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parse.y: check for symbol

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* parse.y (rb_sym2id, rb_sym2id_without_pindown): reject
  non-symbol values.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45702 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-04-24 03:08:49 +00:00
parent e923de6d4a
commit a680ee9ffa
1 changed files with 13 additions and 8 deletions
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21
parse.y
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@ -10768,17 +10768,24 @@ lookup_id_str(ID id, st_data_t *data)
return FALSE;
}
static void
must_be_dynamic_symbol(VALUE x)
{
if (SPECIAL_CONST_P(x) || BUILTIN_TYPE(x) != T_SYMBOL) {
rb_raise(rb_eTypeError, "wrong argument type %s (expected Symbol)",
rb_builtin_class_name(x));
}
}
ID
rb_sym2id(VALUE x)
{
if (STATIC_SYM_P(x)) {
return RSHIFT((unsigned long)(x),RUBY_SPECIAL_SHIFT);
}
else if (!SPECIAL_CONST_P(x) && BUILTIN_TYPE(x) == T_SYMBOL) {
return rb_pin_dynamic_symbol(x);
}
else {
return 0;
must_be_dynamic_symbol(x);
return rb_pin_dynamic_symbol(x);
}
}
@ -10788,11 +10795,9 @@ rb_sym2id_without_pindown(VALUE x)
if (STATIC_SYM_P(x)) {
return RSHIFT((unsigned long)(x),RUBY_SPECIAL_SHIFT);
}
else if (!SPECIAL_CONST_P(x) && BUILTIN_TYPE(x) == T_SYMBOL) {
return (ID)x;
}
else {
return 0;
must_be_dynamic_symbol(x);
return (ID)x;
}
}