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Carl Worth 33cc400714 Fix defines involving both literals and other defined macros. 
We now store a list of tokens in our hash-table rather than a single
string. This lets us replace each macro in the value as necessary.

This code adds a link dependency on talloc which does exactly what we
want in terms of memory management for a parser.

The 3 tests added in the previous commit now pass.
2010-05-12 12:25:34 -07:00
main Add hash table implementation from glsl2 project. 2010-05-10 13:36:26 -07:00
tests Add tests defining a macro to be a literal and another macro. 2010-05-11 12:39:29 -07:00
.gitignore Add a very simple test for the pre-processor. 2010-05-10 16:21:10 -07:00
glcpp-lex.l Fix defines involving both literals and other defined macros. 2010-05-12 12:25:34 -07:00
glcpp-parse.y Fix defines involving both literals and other defined macros. 2010-05-12 12:25:34 -07:00
glcpp.c Fix defines involving both literals and other defined macros. 2010-05-12 12:25:34 -07:00
glcpp.h Fix defines involving both literals and other defined macros. 2010-05-12 12:25:34 -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 Fix defines involving both literals and other defined macros. 2010-05-12 12:25:34 -07:00
README Add README file describing glcpp. 2010-05-11 12:20:15 -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