usr.bin/xlint/lint1/op.h

   1 /*      $NetBSD: op.h,v 1.3 1998/07/27 13:50:47 mycroft 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;