6594d6b9c2
table entries, table allocation and control structure are larger now, but collisions are reduced and string compares even further reduced. Dump lots more statistics, especially hash code data, for --statistics. Dump statistics even in error cases. Details in ChangeLog.
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/* hash.h - for hash.c
|
|
Copyright (C) 1987, 1992 Free Software Foundation, Inc.
|
|
|
|
This file is part of GAS, the GNU Assembler.
|
|
|
|
GAS 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.
|
|
|
|
GAS 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 GAS; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#ifndef hashH
|
|
#define hashH
|
|
|
|
struct hash_entry
|
|
{
|
|
const char *hash_string; /* points to where the symbol string is */
|
|
/* NULL means slot is not used */
|
|
/* DELETED means slot was deleted */
|
|
PTR hash_value; /* user's datum, associated with symbol */
|
|
unsigned long h;
|
|
};
|
|
|
|
|
|
struct hash_control;
|
|
|
|
/* returns control block */
|
|
struct hash_control *hash_new PARAMS ((void));
|
|
void hash_die PARAMS ((struct hash_control *));
|
|
/* returns previous value */
|
|
PTR hash_delete PARAMS ((struct hash_control *, const char *str));
|
|
/* returns previous value */
|
|
PTR hash_replace PARAMS ((struct hash_control *, const char *str, PTR val));
|
|
/* returns error string or null */
|
|
const char *hash_insert PARAMS ((struct hash_control *, const char *str,
|
|
PTR val));
|
|
/* returns value */
|
|
PTR hash_find PARAMS ((struct hash_control *, const char *str));
|
|
/* returns error text or null (internal) */
|
|
const char *hash_jam PARAMS ((struct hash_control *, const char *str,
|
|
PTR val));
|
|
|
|
void hash_print_statistics PARAMS ((FILE *, const char *,
|
|
struct hash_control *));
|
|
#endif /* #ifdef hashH */
|
|
|
|
/* end of hash.c */
|