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op.h revision 1.6 
      1 /*	$NetBSD: op.h,v 1.6 2011/02/05 17:14:14 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994, 1995 Jochen Pohl
      5  * All Rights Reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Jochen Pohl for
     18  *	The NetBSD Project.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 /*
     35  * Various information about operators
     36  */
     37 typedef	struct {
     38 	u_int	m_binary : 1;	/* binary op. */
     39 	u_int	m_logop : 1;	/* logical op., result is int */
     40 	u_int	m_rqint : 1;	/* operands must have integer type */
     41 	u_int	m_rqsclt : 1;	/* operands must have scalar type */
     42 	u_int	m_rqatyp : 1;	/* operands must have arithmetic type */
     43 	u_int	m_fold : 1;	/* operands should be folded */
     44 	u_int	m_vctx : 1;	/* value context for left operand */
     45 	u_int	m_tctx : 1;	/* test context for left operand */
     46 	u_int	m_balance : 1;	/* op. requires balancing */
     47 	u_int	m_sideeff : 1;	/* op. has side effect */
     48 	u_int	m_tlansiu : 1;	/* warning if left op. is unsign. in ANSI C */
     49 	u_int	m_transiu : 1;	/* warning if right op. is unsign. in ANSI C */
     50 	u_int	m_tpconf : 1;	/* test possible precedence confusion */
     51 	u_int	m_comp : 1;	/* op. performs comparison */
     52 	u_int	m_enumop : 1;	/* valid operation on enums */
     53 	u_int	m_badeop : 1;	/* dubious operation on enums */
     54 	u_int	m_eqwarn : 1;	/* warning if on operand stems from == */
     55 	u_int	m_rqintcomp : 1;/* operands must be integer or complex */
     56 	const char *m_name;	/* name of op. */
     57 } mod_t;
     58 
     59 extern mod_t   modtab[];
     60 
     61 #include "ops.h"
     62