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/* Copyright 2009-2015
* Kaz Kylheku <kaz@kylheku.com>
* Vancouver, Canada
* All rights reserved.
*
* Redistribution of this software in source and binary forms, with or without
* modification, is permitted provided that the following two conditions are met.
*
* Use of this software in any manner constitutes agreement with the disclaimer
* which follows the two conditions.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DAMAGES, HOWEVER CAUSED,
* AND UNDER ANY THEORY OF LIABILITY, ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
typedef struct yyguts_t scanner_t;
#ifndef YY_TYPEDEF_YY_SCANNER_T
#define YY_TYPEDEF_YY_SCANNER_T
typedef void *yyscan_t;
#endif
typedef struct parser parser_t;
#ifdef SPACE
struct yy_token {
int yy_char;
YYSTYPE yy_lval;
};
struct parser {
val parser;
cnum lineno;
int errors;
val stream;
val name;
val prepared_msg;
val syntax_tree;
yyscan_t yyscan;
scanner_t *scanner;
struct yy_token recent_tok;
struct yy_token tok_pushback[4];
int tok_idx;
};
#endif
enum prime_parser { prime_lisp, prime_regex };
extern const wchar_t *spec_file;
extern val form_to_ln_hash;
extern val parser_s;
extern val unique_s;
void yyerror(scanner_t *scanner, parser_t *, const char *s);
void yyerr(scanner_t *scanner, const char *s);
void yyerrorf(scanner_t *scanner, val s, ...);
void yybadtoken(parser_t *, int tok, val context);
void end_of_regex(scanner_t *scanner);
void end_of_char(scanner_t *scanner);
#ifdef SPACE
int yylex(YYSTYPE *yylval_param, yyscan_t yyscanner);
#endif
int yylex_init(yyscan_t *pscanner);
int yylex_destroy(yyscan_t scanner);
parser_t *yyget_extra(yyscan_t scanner);
void yyset_extra(parser_t *, yyscan_t);
void yyset_hold_char(yyscan_t, int);
void parser_l_init(void);
void open_txr_file(val spec_file, val *txr_lisp_p, val *name, val *stream);
void prime_parser(parser_t *, val name, enum prime_parser);
void prime_scanner(scanner_t *, enum prime_parser);
int parse_once(val stream, val name, parser_t *parser);
int parse(parser_t *parser, val name, enum prime_parser);
val source_loc(val form);
val source_loc_str(val form, val alt);
val rlset(val form, val info);
INLINE val rlcp(val to, val from)
{
return rlset(to, source_loc(from));
}
val rlcp_tree(val to, val from);
val regex_parse(val string, val error_stream);
val lisp_parse(val source, val error_stream, val error_return_val, val name);
val read_eval_stream(val stream, val error_stream, val hash_bang_support);
void parser_common_init(parser_t *);
void parser_cleanup(parser_t *);
val parser(val stream, val lineno);
val get_parser(val stream);
val parser_errors(val parser);
void parse_init(void);
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