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/**************************************************************************
*
* 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_dict.h"
#include "sl_pp_process.h"
#include "sl_pp_purify.h"
#include "sl_pp_token_util.h"
#define SL_PP_MAX_IF_NESTING 64
#define SL_PP_MAX_ERROR_MSG 1024
#define SL_PP_MAX_EXTENSIONS 16
#define SL_PP_MAX_PREDEFINED 16
struct sl_pp_extension {
int name; /*< GL_VENDOR_extension_name */
};
struct sl_pp_predefined {
int name;
int value;
};
union sl_pp_if_state {
struct {
unsigned int condition:1;
unsigned int went_thru_else:1;
unsigned int had_true_cond:1;
} u;
unsigned int value;
};
struct sl_pp_context {
char *cstr_pool;
unsigned int cstr_pool_max;
unsigned int cstr_pool_len;
struct sl_pp_dict dict;
struct sl_pp_macro *macro;
struct sl_pp_macro **macro_tail;
struct sl_pp_extension extensions[SL_PP_MAX_EXTENSIONS];
unsigned int num_extensions;
struct sl_pp_predefined predefined[SL_PP_MAX_PREDEFINED];
unsigned int num_predefined;
union sl_pp_if_state if_stack[SL_PP_MAX_IF_NESTING];
unsigned int if_ptr;
unsigned int if_value;
char error_msg[SL_PP_MAX_ERROR_MSG];
unsigned int error_line;
unsigned int line;
unsigned int file;
struct sl_pp_purify_state pure;
char *getc_buf;
unsigned int getc_buf_size;
unsigned int getc_buf_capacity;
struct sl_pp_token_buffer tokens;
struct sl_pp_process_state process_state;
};
#endif /* SL_PP_CONTEXT_H */
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