mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-19 10:53:58 +00:00
9f36c7f497
In case you're wondering, the gcc-2.7.2.1 import uses this to generate code. The size of the generated code is bigger than the entire bison release, making this a saving. The bison doc is pretty good apparently.
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/* Definitions for symtab.c and callers, part of bison,
|
|
Copyright (C) 1984, 1989, 1992 Free Software Foundation, Inc.
|
|
|
|
This file is part of Bison, the GNU Compiler Compiler.
|
|
|
|
Bison 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, or (at your option)
|
|
any later version.
|
|
|
|
Bison 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 Bison; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
|
|
#define TABSIZE 1009
|
|
|
|
|
|
/* symbol classes */
|
|
|
|
#define SUNKNOWN 0
|
|
#define STOKEN 1 /* terminal symbol */
|
|
#define SNTERM 2 /* non-terminal */
|
|
|
|
#define SALIAS -9991 /* for symbol generated with an alias */
|
|
|
|
typedef
|
|
struct bucket
|
|
{
|
|
struct bucket *link;
|
|
struct bucket *next;
|
|
char *tag;
|
|
char *type_name;
|
|
short value;
|
|
short prec;
|
|
short assoc;
|
|
short user_token_number;
|
|
/* special value SALIAS in the identifier
|
|
half of the identifier-symbol pair for an alias */
|
|
struct bucket *alias;
|
|
/* points to the other in the identifier-symbol
|
|
pair for an alias */
|
|
char class;
|
|
}
|
|
bucket;
|
|
|
|
|
|
extern bucket **symtab;
|
|
extern bucket *firstsymbol;
|
|
|
|
extern bucket *getsym();
|