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Carl Worth 03f6d5d2d4 Add support for octal and hexadecimal integer literals. 
In addition to the decimal literals which we already support. Note
that we use strtoll here to get the large-width integers demanded by
the specification.
2010-05-24 11:29:02 -07:00
main Add hash table implementation from glsl2 project. 2010-05-10 13:36:26 -07:00
tests Implement all operators specified for GLSL #if expressions (with tests). 2010-05-24 10:37:38 -07:00
.gitignore Add a very simple test for the pre-processor. 2010-05-10 16:21:10 -07:00
glcpp-lex.l Add support for octal and hexadecimal integer literals. 2010-05-24 11:29:02 -07:00
glcpp-parse.y Switch to intmax_t (rather than int) for #if expressions 2010-05-24 11:27:23 -07:00
glcpp.c Fix defines involving both literals and other defined macros. 2010-05-12 12:25:34 -07:00
glcpp.h Switch to intmax_t (rather than int) for #if expressions 2010-05-24 11:27:23 -07:00
hash_table.c Add hash table implementation from glsl2 project. 2010-05-10 13:36:26 -07:00
hash_table.h Add hash table implementation from glsl2 project. 2010-05-10 13:36:26 -07:00
Makefile Add a wrapper function around the lexer. 2010-05-19 10:01:29 -07:00
README Add README file describing glcpp. 2010-05-11 12:20:15 -07:00
xtalloc.c Add xtalloc_asprintf 2010-05-20 15:02:03 -07:00

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.1.30.08.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 the C99
standard (for which I had a convenient copy) as available from:

http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1124.pdf