glsl: Parse 0 as a preprocessor INTCONSTANT
This allows a more reasonable error message for '#version 0' of 0:1(10): error: GLSL 0.00 is not supported. Supported versions are: 1.10, 1.20, 1.30, 1.00 ES, 3.00 ES, 3.10 ES, and 3.20 ES instead of 0:1(10): error: syntax error, unexpected $undefined, expecting INTCONSTANT Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97420 Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com> Cc: mesa-stable@lists.freedesktop.org Cc: Juan A. Suarez Romero <jasuarez@igalia.com> Cc: Karol Herbst <karolherbst@gmail.com>
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@ -253,6 +253,10 @@ HASH ^{SPC}#{SPC}
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yylval->n = strtol(yytext, NULL, 10);
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yylval->n = strtol(yytext, NULL, 10);
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return INTCONSTANT;
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return INTCONSTANT;
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}
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}
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<PP>0 {
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yylval->n = 0;
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return INTCONSTANT;
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}
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<PP>\n { BEGIN 0; yylineno++; yycolumn = 0; return EOL; }
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<PP>\n { BEGIN 0; yylineno++; yycolumn = 0; return EOL; }
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<PP>. { return yytext[0]; }
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<PP>. { return yytext[0]; }
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