op.h revision 1.12 1 1.12 rillig /* $NetBSD: op.h,v 1.12 2021/01/12 20:42:01 rillig Exp $ */
2 1.2 cgd
3 1.1 cgd /*
4 1.1 cgd * Copyright (c) 1994, 1995 Jochen Pohl
5 1.1 cgd * All Rights Reserved.
6 1.1 cgd *
7 1.1 cgd * Redistribution and use in source and binary forms, with or without
8 1.1 cgd * modification, are permitted provided that the following conditions
9 1.1 cgd * are met:
10 1.1 cgd * 1. Redistributions of source code must retain the above copyright
11 1.1 cgd * notice, this list of conditions and the following disclaimer.
12 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 cgd * notice, this list of conditions and the following disclaimer in the
14 1.1 cgd * documentation and/or other materials provided with the distribution.
15 1.1 cgd * 3. All advertising materials mentioning features or use of this software
16 1.1 cgd * must display the following acknowledgement:
17 1.1 cgd * This product includes software developed by Jochen Pohl for
18 1.1 cgd * The NetBSD Project.
19 1.1 cgd * 4. The name of the author may not be used to endorse or promote products
20 1.1 cgd * derived from this software without specific prior written permission.
21 1.1 cgd *
22 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 1.1 cgd * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 1.1 cgd * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 1.1 cgd * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 1.1 cgd * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 1.1 cgd * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 1.1 cgd * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 1.1 cgd * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 1.1 cgd * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 1.1 cgd * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 1.1 cgd */
33 1.1 cgd
34 1.8 rillig #include <stdbool.h>
35 1.8 rillig
36 1.1 cgd /*
37 1.1 cgd * Various information about operators
38 1.1 cgd */
39 1.1 cgd typedef struct {
40 1.8 rillig bool m_binary : 1; /* binary operator */
41 1.12 rillig bool m_returns_bool : 1; /* logical operator, result is 0 or 1 */
42 1.12 rillig bool m_takes_bool : 1; /* only in strict bool mode */
43 1.12 rillig bool m_takes_only_bool : 1; /* only in strict bool mode */
44 1.8 rillig bool m_requires_integer : 1;
45 1.11 rillig bool m_requires_integer_or_complex : 1;
46 1.11 rillig bool m_requires_arith : 1;
47 1.8 rillig bool m_requires_scalar : 1;
48 1.8 rillig bool m_fold : 1; /* operands should be folded */
49 1.8 rillig bool m_vctx : 1; /* value context for left operand */
50 1.8 rillig bool m_tctx : 1; /* test context for left operand */
51 1.8 rillig bool m_balance : 1; /* operator requires balancing */
52 1.8 rillig bool m_sideeff : 1; /* operator has side effect */
53 1.8 rillig bool m_tlansiu : 1; /* warn if left op. is unsign. in ANSI C */
54 1.8 rillig bool m_transiu : 1; /* warn if right op. is unsign. in ANSI C */
55 1.9 rillig bool m_possible_precedence_confusion : 1;
56 1.8 rillig bool m_comp : 1; /* operator performs comparison */
57 1.8 rillig bool m_valid_on_enum : 1; /* valid operation on enums */
58 1.8 rillig bool m_bad_on_enum : 1; /* dubious operation on enums */
59 1.8 rillig bool m_eqwarn : 1; /* warning if on operand stems from == */
60 1.1 cgd const char *m_name; /* name of op. */
61 1.1 cgd } mod_t;
62 1.1 cgd
63 1.6 christos extern mod_t modtab[];
64 1.6 christos
65 1.10 rillig #define begin_ops() typedef enum {
66 1.10 rillig #define op(name, repr, \
67 1.12 rillig bi, lo, tb, to, in, sc, ar, fo, va, ts, ba, se, \
68 1.10 rillig lu, ru, pc, cm, ve, de, ew, ic, active) \
69 1.10 rillig name,
70 1.10 rillig #define end_ops() } op_t;
71 1.10 rillig #include "ops.def"
72 1.10 rillig
73 1.10 rillig const char *getopname(op_t);
74 1.10 rillig void initmtab(void);
75