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Implement #undef.

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Which is as simple as copying the former action back from the git
history.

Now all tests through test 11 pass.
This commit is contained in:
Carl Worth 2010-05-25 15:28:58 -07:00
parent ae6517f4a8
commit e6fb7827c9
1 changed files with 11 additions and 1 deletions
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12
glcpp-parse.y
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@ -171,7 +171,17 @@ control_line:
}
| HASH_DEFINE_FUNC IDENTIFIER '(' ')' replacement_list NEWLINE
| HASH_DEFINE_FUNC IDENTIFIER '(' identifier_list ')' replacement_list NEWLINE
| HASH_UNDEF IDENTIFIER NEWLINE
| HASH_UNDEF IDENTIFIER NEWLINE {
string_list_t *macro = hash_table_find (parser->defines, $2);
if (macro) {
/* XXX: Need hash table to support a real way
* to remove an element rather than prefixing
* a new node with data of NULL like this. */
hash_table_insert (parser->defines, NULL, $2);
talloc_free (macro);
}
talloc_free ($2);
}
| HASH NEWLINE
;