quakeforge/libs/gamecode/engine/pr_builtins.c
Bill Currie 761a7546dd re-arrange things so __attribute__ and __builtin_expect are properly
autoconfiscated so rcsid will continue to work with gcc 3.3
2003-01-15 15:31:36 +00:00

133 lines
3.1 KiB
C

/*
pr_edict.c
entity dictionary
Copyright (C) 1996-1997 Id Software, Inc.
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((unused)) const char rcsid[] =
"$Id$";
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include "QF/cmd.h"
#include "QF/crc.h"
#include "QF/cvar.h"
#include "QF/hash.h"
#include "QF/progs.h"
#include "QF/qdefs.h"
#include "QF/qendian.h"
#include "QF/quakefs.h"
#include "QF/sys.h"
#include "QF/zone.h"
#include "QF/va.h"
#include "compat.h"
static const char *
builtin_get_key (void *_bi, void *unused)
{
builtin_t *bi = (builtin_t *)_bi;
return bi->name;
}
#define PR_AUTOBUILTIN 120
void
PR_AddBuiltin (progs_t *pr, const char *name, builtin_proc builtin, int num)
{
int i;
if (!pr->builtin_hash)
pr->builtin_hash = Hash_NewTable (1021, builtin_get_key, 0, pr);
if (pr->numbuiltins == 0) {
pr->builtins = calloc (PR_AUTOBUILTIN, sizeof (builtin_t*));
pr->numbuiltins = PR_AUTOBUILTIN;
if (!pr->builtins)
PR_Error (pr, "PR_AddBuiltin: memory allocation error!");
}
if (num < 0) {
for (i = PR_AUTOBUILTIN;
i < pr->numbuiltins && pr->builtins[i]; i++)
;
if (i >= pr->numbuiltins) {
pr->numbuiltins++;
pr->builtins = realloc (pr->builtins,
pr->numbuiltins * sizeof (builtin_t*));
if (!pr->builtins)
PR_Error (pr, "PR_AddBuiltin: memory allocation error!");
}
} else {
if (num >= PR_AUTOBUILTIN || num == 0)
PR_Error (pr, "PR_AddBuiltin: invalid builtin number.");
if (pr->builtins[num])
PR_Error (pr, "PR_AddBuiltin: builtin number already exists.");
i = num;
}
pr->builtins[i] = malloc (sizeof (builtin_t));
pr->builtins[i]->proc = builtin;
pr->builtins[i]->name = name;
pr->builtins[i]->first_statement = i;
Hash_Add (pr->builtin_hash, pr->builtins[i]);
}
builtin_t *
PR_FindBuiltin (progs_t *pr, const char *name)
{
return (builtin_t *) Hash_Find (pr->builtin_hash, name);
}
int
PR_RelocateBuiltins (progs_t *pr)
{
int i;
dfunction_t *func;
builtin_t *bi;
const char *bi_name;
for (i = 1; i < pr->progs->numfunctions; i++) {
func = pr->pr_functions + i;
if (func->first_statement)
continue;
bi_name = PR_GetString (pr, func->s_name);
bi = PR_FindBuiltin (pr, bi_name);
if (!bi) {
Sys_Printf ("PR_RelocateBuiltins: %s: undefined builtin %s\n",
pr->progs_name, bi_name);
return 0;
}
func->first_statement = -bi->first_statement;
}
return 1;
}