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authorCarl Worth <[email protected]>2014-07-01 17:40:28 -0700
committerIan Romanick <[email protected]>2014-08-07 16:08:28 -0700
commita196ab1f8aacf657e591a0a15c80c3f37b9496b0 (patch)
tree3ccc4e58c34408990b44f6c6ffa3ccbfa2c57500 /src/glsl/lower_vector.cpp
parentb6ab52b7f941b689753d4b9af7d58083e6917fd6 (diff)
glsl/glcpp: Add explicit error for "#define without macro name"
Previously, glcpp would emit an error like this if <EOF> happened to occur immediately after the "#define", but in general would just get confused, (leading to un-helpful error messages). To fix things to generate a clean error message, we do a few things: 1. Don't require horizontal whitespace immediately after #define 2. Add a production for the error case, (DEFINE_TOKEN followed immediately by a NEWLINE token). 3. Make the lexer reset to the <INITIAL> state after every NEWLINE. This 3rd point prevents the lexer from getting so confused and generating further spurious errors in the file because it was stuck in the <DEFINE> start condition. We also drop the similar error message from the <EOF> rule since the newly-added rule will have already printed the error message. Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/glsl/lower_vector.cpp')
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