diff options
| -rw-r--r-- | src/glsl/glcpp/glcpp-lex.l | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/glsl/glcpp/glcpp-lex.l b/src/glsl/glcpp/glcpp-lex.l index 29b27693974..a4c891bdc69 100644 --- a/src/glsl/glcpp/glcpp-lex.l +++ b/src/glsl/glcpp/glcpp-lex.l @@ -34,6 +34,8 @@ int glcpp_get_column (yyscan_t yyscanner); void glcpp_set_column (int column_no , yyscan_t yyscanner); +#define YY_NO_INPUT + #define YY_USER_ACTION \ do { \ yylloc->source = 0; \ @@ -49,7 +51,7 @@ void glcpp_set_column (int column_no , yyscan_t yyscanner); %option prefix="glcpp_" %option stack -%x DONE COMMENT +%x DONE COMMENT UNREACHABLE SPACE [[:space:]] NONSPACE [^[:space:]] @@ -264,6 +266,15 @@ HEXADECIMAL_INTEGER 0[xX][0-9a-fA-F]+[uU]? return NEWLINE; } + /* We don't actually use the UNREACHABLE start condition. We + only have this action here so that we can pretend to call some + generated functions, (to avoid "defined but not used" + warnings. */ +<UNREACHABLE>. { + unput('.'); + yy_top_state(yyextra); +} + %% void |