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bison/src/scan-code.h
2006-11-12 07:39:37 +00:00

48 lines
1.6 KiB
C

/* Bison Action Scanner
Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#ifndef SCAN_CODE_H_
# define SCAN_CODE_H_
# include "location.h"
# include "symlist.h"
/* Keeps track of the maximum number of semantic values to the left of
a handle (those referenced by $0, $-1, etc.) are required by the
semantic actions of this grammar. */
extern int max_left_semantic_context;
void code_scanner_free (void);
/* The action of the rule R contains $$, $1 etc. referring to the values
of the rule R. */
char const *translate_rule_action (symbol_list *r);
/* The action A refers to $$ and @$ only, referring to a symbol. */
char const *translate_symbol_action (char const *a, location l);
/* The action contains no special escapes, just protect M4 special
symbols. */
char const *translate_code (char const *a, location l);
#endif /* !SCAN_CODE_H_ */