diff options
Diffstat (limited to 'src/glsl/pp/sl_pp_context.h')
-rw-r--r-- | src/glsl/pp/sl_pp_context.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/glsl/pp/sl_pp_context.h b/src/glsl/pp/sl_pp_context.h new file mode 100644 index 0000000000..c7e6770f44 --- /dev/null +++ b/src/glsl/pp/sl_pp_context.h @@ -0,0 +1,70 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef SL_PP_CONTEXT_H +#define SL_PP_CONTEXT_H + +#include "sl_pp_macro.h" + + +#define SL_PP_MAX_IF_NESTING 64 + +#define SL_PP_MAX_ERROR_MSG 1024 + +struct sl_pp_context { + char *cstr_pool; + unsigned int cstr_pool_max; + unsigned int cstr_pool_len; + + struct sl_pp_macro *macro; + struct sl_pp_macro **macro_tail; + + unsigned int if_stack[SL_PP_MAX_IF_NESTING]; + unsigned int if_ptr; + int if_value; + + char error_msg[SL_PP_MAX_ERROR_MSG]; + + unsigned int line; + unsigned int file; +}; + +void +sl_pp_context_init(struct sl_pp_context *context); + +void +sl_pp_context_destroy(struct sl_pp_context *context); + +int +sl_pp_context_add_unique_str(struct sl_pp_context *context, + const char *str); + +const char * +sl_pp_context_cstr(const struct sl_pp_context *context, + int offset); + +#endif /* SL_PP_CONTEXT_H */ |