src/glsl/pp/sl_pp_context.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
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  11  * permit persons to whom the Software is furnished to do so, subject to
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  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.
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  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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  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_purify.h"
  34
  35
  36 #define SL_PP_MAX_IF_NESTING  64
  37
  38 #define SL_PP_MAX_ERROR_MSG   1024
  39
  40 #define SL_PP_MAX_EXTENSIONS  16
  41
  42 struct sl_pp_extension {
  43    int name;         /*< VENDOR_extension_name */
  44    int name_string;  /*< GL_VENDOR_extension_name */
  45 };
  46
  47 struct sl_pp_context {
  48    char *cstr_pool;
  49    unsigned int cstr_pool_max;
  50    unsigned int cstr_pool_len;
  51    struct sl_pp_dict dict;
  52
  53    struct sl_pp_macro *macro;
  54    struct sl_pp_macro **macro_tail;
  55
  56    struct sl_pp_extension extensions[SL_PP_MAX_EXTENSIONS];
  57    unsigned int num_extensions;
  58
  59    unsigned int if_stack[SL_PP_MAX_IF_NESTING];
  60    unsigned int if_ptr;
  61    unsigned int if_value;
  62
  63    char error_msg[SL_PP_MAX_ERROR_MSG];
  64
  65    unsigned int line;
  66    unsigned int file;
  67
  68    struct sl_pp_purify_state pure;
  69
  70    char *getc_buf;
  71    unsigned int getc_buf_size;
  72    unsigned int getc_buf_capacity;
  73 };
  74
  75 #endif /* SL_PP_CONTEXT_H */