1 /*        $NetBSD: op.h,v 1.28 2024/03/31 20:28:45 rillig 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 #include <stdbool.h>
35 
36 /*
37  * Various information about operators.
38  */
39 typedef struct {
40           bool      m_binary: 1;
41           bool      m_returns_bool: 1;
42           bool      m_takes_bool: 1;
43           bool      m_compares_with_zero: 1;
44           bool      m_requires_integer: 1;
45           bool      m_requires_integer_or_complex: 1;
46           bool      m_requires_arith: 1;
47           bool      m_requires_scalar: 1;
48           bool      m_fold_constant_operands: 1;
49           bool      m_value_context: 1;
50           bool      m_balance_operands: 1;
51           bool      m_has_side_effect: 1;
52           bool      m_warn_if_left_unsigned_in_c90: 1;
53           bool      m_warn_if_right_unsigned_in_c90: 1;
54           bool      m_possible_precedence_confusion: 1;
55           bool      m_comparison: 1;
56           bool      m_valid_on_enum: 1;
57           bool      m_bad_on_enum: 1;
58           bool      m_warn_if_operand_eq: 1;
59           bool      m_has_operands: 1;
60           const char m_name[8];
61 } mod_t;
62 
63 typedef enum {
64           NOOP,
65           ARROW,
66           POINT,
67           NOT,
68           COMPL,
69           INCBEF,
70           DECBEF,
71           INCAFT,
72           DECAFT,
73           UPLUS,
74           UMINUS,
75           INDIR,
76           ADDR,
77 
78           MULT,
79           DIV,
80           MOD,
81           PLUS,
82           MINUS,
83           SHL,
84           SHR,
85 
86           LT,
87           LE,
88           GT,
89           GE,
90           EQ,
91           NE,
92 
93           BITAND,
94           BITXOR,
95           BITOR,
96           LOGAND,
97           LOGOR,
98           QUEST,
99           COLON,
100 
101           ASSIGN,
102           MULASS,
103           DIVASS,
104           MODASS,
105           ADDASS,
106           SUBASS,
107           SHLASS,
108           SHRASS,
109           ANDASS,
110           XORASS,
111           ORASS,
112 
113           NAME,
114           CON,
115           STRING,
116           FSEL,
117           CALL,
118           COMMA,
119           CVT,
120           LOAD,
121           RETURN,
122           REAL,
123           IMAG,
124 
125           INIT,                         /* does not appear in the tree */
126           CASE,                         /* does not appear in the tree */
127           /*
128            * FARG is only used temporarily in check_prototype_argument to check
129            * type compatibility and conversion for function arguments.
130            */
131           FARG,                         /* does not appear in the tree */
132 } op_t;
133 
134 #define NOPS ((int)FARG + 1)
135 
136 extern const mod_t modtab[NOPS];
137