op.h revision 1.17 1 /* $NetBSD: op.h,v 1.17 2021/08/19 18:39:34 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_requires_bool: 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_left_value_context: 1;
50 bool m_left_test_context: 1;
51 bool m_balance_operands: 1;
52 bool m_has_side_effect: 1;
53 bool m_warn_if_left_unsigned_in_c90: 1;
54 bool m_warn_if_right_unsigned_in_c90: 1;
55 bool m_possible_precedence_confusion: 1;
56 bool m_comparison: 1;
57 bool m_valid_on_enum: 1;
58 bool m_bad_on_enum: 1;
59 bool m_warn_if_operand_eq: 1;
60 const char *m_name;
61 } mod_t;
62
63 extern const mod_t modtab[];
64
65 #define begin_ops() typedef enum {
66 #define op(name, repr, \
67 is_binary, is_logical, takes_bool, requires_bool, \
68 is_integer, is_complex, is_arithmetic, is_scalar, \
69 can_fold, is_value, is_test, balances_operands, \
70 side_effects, left_unsigned, right_unsigned, \
71 precedence_confusion, is_comparison, \
72 valid_on_enum, bad_on_enum, warn_if_eq) \
73 name,
74 #define end_ops() } op_t;
75 #include "ops.def"
76