diff options
| -rw-r--r-- | glcpp/glcpp-parse.y | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/glcpp/glcpp-parse.y b/glcpp/glcpp-parse.y index 37c2f97c23..c314e9556c 100644 --- a/glcpp/glcpp-parse.y +++ b/glcpp/glcpp-parse.y @@ -249,6 +249,17 @@ control_line: _token_list_append_list (expanded, $2); glcpp_parser_lex_from (parser, expanded); } +| HASH_ELIF NEWLINE { + /* #elif without an expression results in a warning if the + * condition doesn't matter (we just handled #if 1 or such) + * but an error otherwise. */ + if (parser->skip_stack != NULL && parser->skip_stack->type == SKIP_NO_SKIP) { + parser->skip_stack->type = SKIP_TO_ENDIF; + glcpp_warning(& @1, parser, "ignoring illegal #elif without expression"); + } else { + glcpp_error(& @1, parser, "#elif needs an expression"); + } + } | HASH_ELSE NEWLINE { _glcpp_parser_skip_stack_change_if (parser, & @1, "else", 1); } |