diff options
Diffstat (limited to 'src/glsl/glsl_lexer.ll')
| -rw-r--r-- | src/glsl/glsl_lexer.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/glsl/glsl_lexer.ll b/src/glsl/glsl_lexer.ll index db7b1d1791b..1cadf1f9b58 100644 --- a/src/glsl/glsl_lexer.ll +++ b/src/glsl/glsl_lexer.ll @@ -153,6 +153,9 @@ literal_integer(char *text, int len, struct _mesa_glsl_parse_state *state, %option prefix="_mesa_glsl_lexer_" %option extra-type="struct _mesa_glsl_parse_state *" + /* Note: When adding any start conditions to this list, you must also + * update the "Internal compiler error" catch-all rule near the end of + * this file. */ %x PP PRAGMA DEC_INT [1-9][0-9]* @@ -555,6 +558,16 @@ subroutine KEYWORD(0, 300, 0, 0, SUBROUTINE); . { return yytext[0]; } + /* This is a catch-all to avoid the annoying default flex action which + * matches any character and prints it. If any input ever matches this + * rule, then we have made a mistake above and need to fix one or more + * of the preceding patterns to match that input. */ +<PP,PRAGMA>. { + _mesa_glsl_error(yylloc, yyextra, + "Internal compiler error: Unexpected character: %s", yytext); +} + + %% int |