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Contents of README:glcpp -- GLSL "C" preprocessor This is a simple preprocessor designed to provide the preprocessing needs of the GLSL language. The requirements for this preprocessor are specified in the GLSL 1.30 specification availble from: http://www.opengl.org/registry/doc/GLSLangSpec.Full.1.30.10.pdf This specification is not precise on some semantics, (for example, #define and #if), defining these merely "as is standard for C++ preprocessors". To fill in these details, I've been using a draft of the C99 standard as available from: http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf Any downstream compiler accepting output from glcpp should be prepared to encounter and deal with the following preprocessor macros: #line #pragma #extension All other macros will be handles according to the GLSL specification and will not appear in the output. Known limitations ----------------- The __LINE__ and __FILE__ macros are not yet supported. A file that ends with a function-like macro name as the last non-whitespace token will result in a parse error, (where it should be passed through as is). |
Name Last modified Size
Parent Directory - CVS/ 19-Mar-2020 23:39 - README 05-Jan-2015 03:40 1.1K glcpp-lex.c 05-Jan-2015 03:40 73K glcpp-lex.l 05-Jan-2015 03:40 6.6K glcpp-parse.c 05-Jan-2015 03:40 113K glcpp-parse.h 05-Jan-2015 03:40 2.9K glcpp-parse.y 05-Jan-2015 03:40 44K glcpp.c 05-Jan-2015 03:40 2.8K glcpp.h 05-Jan-2015 03:40 5.2K pp.c 05-Jan-2015 03:40 4.9K
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