diff options
Diffstat (limited to 'src/glsl/glcpp/glcpp-parse.y')
| -rw-r--r-- | src/glsl/glcpp/glcpp-parse.y | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y index c37c9bcff0..e4dcc76e0a 100644 --- a/src/glsl/glcpp/glcpp-parse.y +++ b/src/glsl/glcpp/glcpp-parse.y @@ -1048,6 +1048,19 @@ _arguments_parse (argument_list_t *arguments, return FUNCTION_STATUS_SUCCESS; } +static token_list_t * +_token_list_create_with_one_space (void *ctx) +{ + token_list_t *list; + token_t *space; + + list = _token_list_create (ctx); + space = _token_create_ival (list, SPACE, SPACE); + _token_list_append (list, space); + + return list; +} + /* This is a helper function that's essentially part of the * implementation of _glcpp_parser_expand_node. It shouldn't be called * except for by that function. @@ -1097,9 +1110,10 @@ _glcpp_parser_expand_function (glcpp_parser_t *parser, return NULL; } + /* Replace a macro defined as empty with a SPACE token. */ if (macro->replacements == NULL) { talloc_free (arguments); - return _token_list_create (parser); + return _token_list_create_with_one_space (parser); } if (! ((_argument_list_length (arguments) == @@ -1203,7 +1217,7 @@ _glcpp_parser_expand_function (glcpp_parser_t *parser, * * Otherwise, returns the token list that results from the expansion * and sets *last to the last node in the list that was consumed by - * the expansion. Specificallty, *last will be set as follows: + * the expansion. Specifically, *last will be set as follows: * * As 'node' in the case of object-like macro expansion. * @@ -1262,8 +1276,9 @@ _glcpp_parser_expand_node (glcpp_parser_t *parser, { *last = node; + /* Replace a macro defined as empty with a SPACE token. */ if (macro->replacements == NULL) - return _token_list_create (parser); + return _token_list_create_with_one_space (parser); return _token_list_copy (parser, macro->replacements); } |