diff options
-rw-r--r-- | src/glsl/glcpp/glcpp-parse.y | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y index ccf8105597b..9d8b5bbb0b6 100644 --- a/src/glsl/glcpp/glcpp-parse.y +++ b/src/glsl/glcpp/glcpp-parse.y @@ -260,6 +260,12 @@ control_line: | HASH_UNDEF { glcpp_parser_resolve_implicit_version(parser); } IDENTIFIER NEWLINE { + if (strcmp("__LINE__", $3) == 0 + || strcmp("__FILE__", $3) == 0 + || strcmp("__VERSION__", $3) == 0) + glcpp_error(& @1, parser, "Built-in (pre-defined)" + " macro names can not be undefined."); + macro_t *macro = hash_table_find (parser->defines, $3); if (macro) { hash_table_remove (parser->defines, $3); |