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op.h revision 1.4 
      1 /*	$NetBSD: op.h,v 1.4 2008/04/25 22:18:34 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 typedef	enum {
     60 	NOOP	= 0,
     61 	ARROW,
     62 	POINT,
     63 	NOT,
     64 	COMPL,
     65 	INC,
     66 	DEC,
     67 	INCBEF,
     68 	DECBEF,
     69 	INCAFT,
     70 	DECAFT,
     71 	UPLUS,
     72 	UMINUS,
     73 	STAR,
     74 	AMPER,
     75 	MULT,
     76 	DIV,
     77 	MOD,
     78 	PLUS,
     79 	MINUS,
     80 	SHL,
     81 	SHR,
     82 	LT,
     83 	LE,
     84 	GT,
     85 	GE,
     86 	EQ,
     87 	NE,
     88 	AND,
     89 	XOR,
     90 	OR,
     91 	LOGAND,
     92 	LOGOR,
     93 	QUEST,
     94 	COLON,
     95 	ASSIGN,
     96 	MULASS,
     97 	DIVASS,
     98 	MODASS,
     99 	ADDASS,
    100 	SUBASS,
    101 	SHLASS,
    102 	SHRASS,
    103 	ANDASS,
    104 	XORASS,
    105 	ORASS,
    106 	NAME,
    107 	CON,
    108 	STRING,
    109 	FSEL,
    110 	CALL,
    111 	COMMA,
    112 	CVT,
    113 	ICALL,
    114 	LOAD,
    115 	PUSH,
    116 	RETURN,
    117 	REAL,
    118 	IMAG,
    119 	INIT,		/* pseudo op, not used in trees */
    120 	CASE,		/* pseudo op, not used in trees */
    121 	FARG		/* pseudo op, not used in trees */
    122 #define NOPS	((int)FARG + 1)
    123 } op_t;
    124