/* 
 * Copyright (c) 1986-1987 The Regents of the University of California.
 * All rights reserved.
 *
 * Permission is hereby granted, without written agreement and without
 * license or royalty fees, to use, copy, modify, and distribute this
 * software and its documentation for any purpose, provided that the
 * above copyright notice and the following two paragraphs appear in
 * all copies of this software.
 * 
 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT
 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
 * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 *
 * The above licensing information supersedes all licensing information
 * below.
 */

#ifndef COND_
#define COND_

/*
 *    Copyright 1986, 1987 Pat Joseph Monardo. All rights reserved.
 *    Copying of this file is granted according to the provisions 
 *    specified in the file COPYING which must accompany this file.
 */


/*
 *		cond.h
 */

global	ptr		cond_ptr;
global	int		cur_if;
global	int		if_limit;
global	val		if_line;

#define	IF_NODE_SIZE		2
#define	if_line_field(M)	mem[M + 1].i

#define	IF_CODE				1
#define	FI_CODE				2
#define	ELSE_CODE			3
#define	OR_CODE				4

#define	IF_CHAR_CODE		0
#define	IF_CAT_CODE			1
#define	IF_INT_CODE			2
#define	IF_DIM_CODE			3
#define	IF_ODD_CODE			4
#define	IF_VMODE_CODE		5
#define	IF_HMODE_CODE		6
#define	IF_MMODE_CODE		7
#define	IF_INNER_CODE		8
#define	IF_VOID_CODE		9
#define	IF_HBOX_CODE		10
#define	IF_VBOX_CODE		11
#define	IFX_CODE			12
#define	IF_EOF_CODE			13
#define	IF_TRUE_CODE		14
#define	IF_FALSE_CODE		15
#define	IF_CASE_CODE		16

int		push_cond();
int		pop_cond();
int		pass_text();
int		change_if_limit();
int		conditional();

global	long	skip_line;

#endif
