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Carl Worth 04af13539a Move most printing to the action in the content production. 
Previously, printing was occurring all over the place. Here we
document that it should all be happening at the top-level content
production, and we move the printing of directive newlines.

The printing of expanded macros is still happening in lower-level
productions, but we plan to fix that soon.
2010-05-14 11:50:27 -07:00
main Add hash table implementation from glsl2 project. 2010-05-10 13:36:26 -07:00
tests Add test where a macro formal parameter is the same as an existing macro. 2010-05-14 09:53:50 -07:00
.gitignore Add a very simple test for the pre-processor. 2010-05-10 16:21:10 -07:00
glcpp-lex.l Make the lexer return SPACE tokens unconditionally. 2010-05-14 09:48:14 -07:00
glcpp-parse.y Move most printing to the action in the content production. 2010-05-14 11:50:27 -07:00
glcpp.c Fix defines involving both literals and other defined macros. 2010-05-12 12:25:34 -07:00
glcpp.h Rename list_t and node_t to string_list_t and string_node_t. 2010-05-14 11:50:27 -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 Makefile: Make "make test" depend on the main program. 2010-05-14 09:20:13 -07:00
README Add README file describing glcpp. 2010-05-11 12:20:15 -07:00
xtalloc.c Convert lexer to talloc and add xtalloc wrappers. 2010-05-12 12:47:29 -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