src/glsl/pp/sl_pp_context.h

   1 /**************************************************************************
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   3  * Copyright 2009 VMware, Inc.
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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_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 #define SL_PP_MAX_PREDEFINED  16
  43
  44 struct sl_pp_extension {
  45    int name;         /*< VENDOR_extension_name */
  46    int name_string;  /*< GL_VENDOR_extension_name */
  47 };
  48
  49 struct sl_pp_predefined {
  50    int name;
  51    int value;
  52 };
  53
  54 struct sl_pp_context {
  55    char *cstr_pool;
  56    unsigned int cstr_pool_max;
  57    unsigned int cstr_pool_len;
  58    struct sl_pp_dict dict;
  59
  60    struct sl_pp_macro *macro;
  61    struct sl_pp_macro **macro_tail;
  62
  63    struct sl_pp_extension extensions[SL_PP_MAX_EXTENSIONS];
  64    unsigned int num_extensions;
  65
  66    struct sl_pp_predefined predefined[SL_PP_MAX_PREDEFINED];
  67    unsigned int num_predefined;
  68
  69    unsigned int if_stack[SL_PP_MAX_IF_NESTING];
  70    unsigned int if_ptr;
  71    unsigned int if_value;
  72
  73    char error_msg[SL_PP_MAX_ERROR_MSG];
  74
  75    unsigned int line;
  76    unsigned int file;
  77
  78    struct sl_pp_purify_state pure;
  79
  80    char *getc_buf;
  81    unsigned int getc_buf_size;
  82    unsigned int getc_buf_capacity;
  83 };
  84
  85 #endif /* SL_PP_CONTEXT_H */