diff options
| -rw-r--r-- | glcpp-parse.y | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/glcpp-parse.y b/glcpp-parse.y index b3ef177a6d..830a6232d8 100644 --- a/glcpp-parse.y +++ b/glcpp-parse.y @@ -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 ; |