/*
Copyright (c) 2007. Victor M. Alvarez [plusvic@gmail.com].

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include <yara/re.h>

#undef yyparse
#undef yylex
#undef yyerror
#undef yyfatal
#undef yychar
#undef yydebug
#undef yynerrs
#undef yyget_extra
#undef yyget_lineno

#undef YY_FATAL_ERROR
#undef YY_DECL
#undef LEX_ENV

#define yyparse         hex_yyparse
#define yylex           hex_yylex
#define yyerror         hex_yyerror
#define yyfatal         hex_yyfatal
#define yychar          hex_yychar
#define yydebug         hex_yydebug
#define yynerrs         hex_yynerrs
#define yyget_extra     hex_yyget_extra
#define yyget_lineno    hex_yyget_lineno


#ifndef YY_TYPEDEF_YY_SCANNER_T
#define YY_TYPEDEF_YY_SCANNER_T
typedef void* yyscan_t;
#endif

#define YY_EXTRA_TYPE RE_AST*
#define YY_USE_CONST


typedef struct _HEX_LEX_ENVIRONMENT
{
  int inside_or;
  int last_error;
  char last_error_message[256];

} HEX_LEX_ENVIRONMENT;


#define YY_FATAL_ERROR(msg) hex_yyfatal(yyscanner, msg)

#define LEX_ENV  ((HEX_LEX_ENVIRONMENT*) lex_env)

#include <hex_grammar.h>

#define YY_DECL int hex_yylex \
    (YYSTYPE * yylval_param , yyscan_t yyscanner, HEX_LEX_ENVIRONMENT* lex_env)


YY_EXTRA_TYPE yyget_extra(
    yyscan_t yyscanner);

int yylex(
    YYSTYPE* yylval_param,
    yyscan_t yyscanner,
    HEX_LEX_ENVIRONMENT* lex_env);

int yyparse(
    void *yyscanner,
    HEX_LEX_ENVIRONMENT *lex_env);

void yyerror(
    yyscan_t yyscanner,
    HEX_LEX_ENVIRONMENT* lex_env,
    const char *error_message);

void yyfatal(
    yyscan_t yyscanner,
    const char *error_message);

int yr_parse_hex_string(
  const char* hex_string,
  RE_AST** re_ast,
  RE_ERROR* error);
