134 lines
3.1 KiB
C
134 lines
3.1 KiB
C
/*
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pr_edict.c
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entity dictionary
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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static __attribute__ ((unused)) const char rcsid[] =
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"$Id$";
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdarg.h>
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#include <stdio.h>
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#include "QF/cmd.h"
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#include "QF/crc.h"
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#include "QF/cvar.h"
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#include "QF/hash.h"
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#include "QF/progs.h"
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#include "QF/qdefs.h"
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#include "QF/qendian.h"
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#include "QF/quakefs.h"
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#include "QF/sys.h"
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#include "QF/zone.h"
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#include "QF/va.h"
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#include "compat.h"
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static const char *
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builtin_get_key (void *_bi, void *unused)
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{
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builtin_t *bi = (builtin_t *)_bi;
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return bi->name;
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}
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#define PR_AUTOBUILTIN 120
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void
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PR_AddBuiltin (progs_t *pr, const char *name, builtin_proc builtin, int num)
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{
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int i;
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if (!pr->builtin_hash)
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pr->builtin_hash = Hash_NewTable (1021, builtin_get_key, 0, pr);
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if (pr->numbuiltins == 0) {
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pr->builtins = calloc (PR_AUTOBUILTIN, sizeof (builtin_t*));
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pr->numbuiltins = PR_AUTOBUILTIN;
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if (!pr->builtins)
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PR_Error (pr, "PR_AddBuiltin: memory allocation error!");
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}
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if (num < 0) {
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for (i = PR_AUTOBUILTIN;
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i < pr->numbuiltins && pr->builtins[i]; i++)
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;
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if (i >= pr->numbuiltins) {
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pr->numbuiltins++;
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pr->builtins = realloc (pr->builtins,
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pr->numbuiltins * sizeof (builtin_t*));
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if (!pr->builtins)
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PR_Error (pr, "PR_AddBuiltin: memory allocation error!");
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}
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} else {
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if (num >= PR_AUTOBUILTIN || num == 0)
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PR_Error (pr, "PR_AddBuiltin: invalid builtin number.");
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if (pr->builtins[num])
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PR_Error (pr, "PR_AddBuiltin: builtin number already exists.");
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i = num;
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}
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pr->builtins[i] = malloc (sizeof (builtin_t));
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pr->builtins[i]->proc = builtin;
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pr->builtins[i]->name = name;
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pr->builtins[i]->first_statement = i;
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Hash_Add (pr->builtin_hash, pr->builtins[i]);
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}
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builtin_t *
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PR_FindBuiltin (progs_t *pr, const char *name)
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{
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return (builtin_t *) Hash_Find (pr->builtin_hash, name);
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}
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int
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PR_RelocateBuiltins (progs_t *pr)
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{
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int i;
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dfunction_t *func;
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builtin_t *bi;
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const char *bi_name;
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for (i = 1; i < pr->progs->numfunctions; i++) {
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func = pr->pr_functions + i;
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if (func->first_statement)
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continue;
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bi_name = PR_GetString (pr, func->s_name);
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bi = PR_FindBuiltin (pr, bi_name);
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if (!bi) {
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Sys_Printf ("PR_RelocateBuiltins: %s: undefined builtin %s\n",
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pr->progs_name, bi_name);
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return 0;
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}
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func->first_statement = -bi->first_statement;
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}
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return 1;
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}
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