diff options
| -rw-r--r-- | glcpp-parse.y | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/glcpp-parse.y b/glcpp-parse.y index b07714e..807cf59 100644 --- a/glcpp-parse.y +++ b/glcpp-parse.y @@ -1385,12 +1385,30 @@ _glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, } void +_check_for_reserved_macro_name (const char *identifier) +{ + /* According to the GLSL specification, macro names starting with "__" + * or "GL_" are reserved for future use. So, don't allow them. + */ + if (strncmp(identifier, "__", 2) == 0) { + fprintf (stderr, "Error: Macro names starting with \"__\" are reserved.\n"); + exit(1); + } + if (strncmp(identifier, "GL_", 3) == 0) { + fprintf (stderr, "Error: Macro names starting with \"GL_\" are reserved.\n"); + exit(1); + } +} + +void _define_object_macro (glcpp_parser_t *parser, const char *identifier, token_list_t *replacements) { macro_t *macro; + _check_for_reserved_macro_name(identifier); + macro = xtalloc (parser, macro_t); macro->is_function = 0; @@ -1409,6 +1427,8 @@ _define_function_macro (glcpp_parser_t *parser, { macro_t *macro; + _check_for_reserved_macro_name(identifier); + macro = xtalloc (parser, macro_t); macro->is_function = 1; |