usr.bin/xlint/lint1/op.h

   1 /*      $NetBSD: op.h,v 1.2 1995/07/03 21:24:27 cgd 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 comparision */
  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         const char *m_name;     /* name of op. */
  56 } mod_t;
  57
  58 typedef enum {
  59         NOOP    = 0,
  60         ARROW,
  61         POINT,
  62         NOT,
  63         COMPL,
  64         INC,
  65         DEC,
  66         INCBEF,
  67         DECBEF,
  68         INCAFT,
  69         DECAFT,
  70         UPLUS,
  71         UMINUS,
  72         STAR,
  73         AMPER,
  74         MULT,
  75         DIV,
  76         MOD,
  77         PLUS,
  78         MINUS,
  79         SHL,
  80         SHR,
  81         LT,
  82         LE,
  83         GT,
  84         GE,
  85         EQ,
  86         NE,
  87         AND,
  88         XOR,
  89         OR,
  90         LOGAND,
  91         LOGOR,
  92         QUEST,
  93         COLON,
  94         ASSIGN,
  95         MULASS,
  96         DIVASS,
  97         MODASS,
  98         ADDASS,
  99         SUBASS,
 100         SHLASS,
 101         SHRASS,
 102         ANDASS,
 103         XORASS,
 104         ORASS,
 105         NAME,
 106         CON,
 107         STRING,
 108         FSEL,
 109         CALL,
 110         COMMA,
 111         CVT,
 112         ICALL,
 113         LOAD,
 114         PUSH,
 115         RETURN,
 116         INIT,           /* pseudo op, not used in trees */
 117         CASE,           /* pseudo op, not used in trees */
 118         FARG            /* pseudo op, not used in trees */
 119 #define NOPS    ((int)FARG + 1)
 120 } op_t;