src/glsl/pp/sl_pp_context.h

   1 /**************************************************************************
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   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
  12  * the following conditions:
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  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
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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_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;         /*< VENDOR_extension_name */
  48    int name_string;  /*< GL_VENDOR_extension_name */
  49 };
  50
  51 struct sl_pp_predefined {
  52    int name;
  53    int value;
  54 };
  55
  56 struct sl_pp_context {
  57    char *cstr_pool;
  58    unsigned int cstr_pool_max;
  59    unsigned int cstr_pool_len;
  60    struct sl_pp_dict dict;
  61
  62    struct sl_pp_macro *macro;
  63    struct sl_pp_macro **macro_tail;
  64
  65    struct sl_pp_extension extensions[SL_PP_MAX_EXTENSIONS];
  66    unsigned int num_extensions;
  67
  68    struct sl_pp_predefined predefined[SL_PP_MAX_PREDEFINED];
  69    unsigned int num_predefined;
  70
  71    unsigned int if_stack[SL_PP_MAX_IF_NESTING];
  72    unsigned int if_ptr;
  73    unsigned int if_value;
  74
  75    char error_msg[SL_PP_MAX_ERROR_MSG];
  76    unsigned int error_line;
  77
  78    unsigned int line;
  79    unsigned int file;
  80
  81    struct sl_pp_purify_state pure;
  82
  83    char *getc_buf;
  84    unsigned int getc_buf_size;
  85    unsigned int getc_buf_capacity;
  86
  87    struct sl_pp_token_buffer tokens;
  88
  89    struct sl_pp_process_state process_state;
  90 };
  91
  92 #endif /* SL_PP_CONTEXT_H */