src/glsl/pp/sl_pp_context.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef SL_PP_CONTEXT_H
  29 #define SL_PP_CONTEXT_H
  30
  31 #include "sl_pp_dict.h"
  32 #include "sl_pp_macro.h"
  33 #include "sl_pp_process.h"
  34 #include "sl_pp_purify.h"
  35 #include "sl_pp_token_util.h"
  36
  37
  38 #define SL_PP_MAX_IF_NESTING  64
  39
  40 #define SL_PP_MAX_ERROR_MSG   1024
  41
  42 #define SL_PP_MAX_EXTENSIONS  16
  43
  44 #define SL_PP_MAX_PREDEFINED  16
  45
  46 struct sl_pp_extension {
  47    int name;   /*< GL_VENDOR_extension_name */
  48 };
  49
  50 struct sl_pp_predefined {
  51    int name;
  52    int value;
  53 };
  54
  55 struct sl_pp_context {
  56    char *cstr_pool;
  57    unsigned int cstr_pool_max;
  58    unsigned int cstr_pool_len;
  59    struct sl_pp_dict dict;
  60
  61    struct sl_pp_macro *macro;
  62    struct sl_pp_macro **macro_tail;
  63
  64    struct sl_pp_extension extensions[SL_PP_MAX_EXTENSIONS];
  65    unsigned int num_extensions;
  66
  67    struct sl_pp_predefined predefined[SL_PP_MAX_PREDEFINED];
  68    unsigned int num_predefined;
  69
  70    unsigned int if_stack[SL_PP_MAX_IF_NESTING];
  71    unsigned int if_ptr;
  72    unsigned int if_value;
  73
  74    char error_msg[SL_PP_MAX_ERROR_MSG];
  75    unsigned int error_line;
  76
  77    unsigned int line;
  78    unsigned int file;
  79
  80    struct sl_pp_purify_state pure;
  81
  82    char *getc_buf;
  83    unsigned int getc_buf_size;
  84    unsigned int getc_buf_capacity;
  85
  86    struct sl_pp_token_buffer tokens;
  87
  88    struct sl_pp_process_state process_state;
  89 };
  90
  91 #endif /* SL_PP_CONTEXT_H */