xref: /netbsd-src/usr.bin/xlint/common/lint.h (revision 181254a7b1bdde6873432bffef2d2decc4b5c22f)
1 /*	$NetBSD: lint.h,v 1.14 2018/09/07 15:16:15 christos 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 #if HAVE_NBTOOL_CONFIG_H
35 #include "nbtool_config.h"
36 #else
37 #define HAVE_DECL_SYS_SIGNAME 1
38 #endif
39 
40 #include <sys/types.h>
41 #include <stddef.h>
42 #include <err.h>
43 #include <inttypes.h>
44 #include <stdio.h>
45 
46 #include "param.h"
47 
48 /*
49  * Type specifiers, used in type structures (type_t) and otherwere.
50  */
51 typedef enum {
52 	NOTSPEC = 0,
53 	SIGNED,		/* keyword "signed", only used in the parser */
54 	UNSIGN,		/* keyword "unsigned", only used in the parser */
55 	BOOL,		/* _Bool */
56 	CHAR,		/* char */
57 	SCHAR,		/* signed char */
58 	UCHAR,		/* unsigned char */
59 	SHORT,		/* (signed) short */
60 	USHORT,		/* unsigned short */
61 	INT,		/* (signed) int */
62 	UINT,		/* unsigned int */
63 	LONG,		/* (signed) long */
64 	ULONG,		/* unsigned long */
65 	QUAD,		/* (signed) long long */
66 	UQUAD,		/* unsigned long long */
67 #ifdef INT128_SIZE
68 	INT128,		/* (signed) __int128_t */
69 	UINT128,	/* __uint128_t */
70 #endif
71 	FLOAT,		/* float */
72 	DOUBLE,		/* double or, with tflag, long float */
73 	LDOUBLE,	/* long double */
74 	VOID,		/* void */
75 	STRUCT,		/* structure tag */
76 	UNION,		/* union tag */
77 	ENUM,		/* enum tag */
78 	PTR,		/* pointer */
79 	ARRAY,		/* array */
80 	FUNC,		/* function */
81 	COMPLEX,	/* _Complex */
82 	FCOMPLEX,	/* float _Complex */
83 	DCOMPLEX,	/* double _Complex */
84 	LCOMPLEX,	/* long double _Complex */
85 	NTSPEC
86 } tspec_t;
87 
88 /*
89  * size of types, name and classification
90  */
91 typedef	struct {
92 	size_t	tt_sz;			/* size in bits */
93 	size_t	tt_psz;			/* size, different from tt_sz
94 					   if pflag is set */
95 	tspec_t	tt_styp;		/* signed counterpart */
96 	tspec_t	tt_utyp;		/* unsigned counterpart */
97 	u_int	tt_isityp : 1;		/* 1 if integer type */
98 	u_int	tt_isutyp : 1;		/* 1 if unsigned integer type */
99 	u_int	tt_isftyp : 1;		/* 1 if floating point type */
100 	u_int	tt_isatyp : 1;		/* 1 if arithmetic type */
101 	u_int	tt_issclt : 1;		/* 1 if scalar type */
102 	u_int	tt_isctyp : 1;		/* 1 if complex type */
103 	const char *tt_name;		/* Bezeichnung des Typs */
104 } ttab_t;
105 
106 #define size(t)		(ttab[t].tt_sz)
107 #define psize(t)	(ttab[t].tt_psz)
108 #define styp(t)		(ttab[t].tt_styp)
109 #define utyp(t)		(ttab[t].tt_utyp)
110 #define isityp(t)	(ttab[t].tt_isityp)
111 #define isutyp(t)	(ttab[t].tt_isutyp)
112 #define isftyp(t)	(ttab[t].tt_isftyp)
113 #define isatyp(t)	(ttab[t].tt_isatyp)
114 #define isctyp(t)	(ttab[t].tt_isctyp)
115 #define issclt(t)	(ttab[t].tt_issclt)
116 
117 extern	ttab_t	ttab[];
118 
119 
120 typedef	enum {
121 	NODECL,			/* until now not declared */
122 	DECL,			/* declared */
123 	TDEF,			/* tentative defined */
124 	DEF			/* defined */
125 } def_t;
126 
127 /*
128  * Following structure contains some data used for the output buffer.
129  */
130 typedef	struct	ob {
131 	char	*o_buf;		/* buffer */
132 	char	*o_end;		/* first byte after buffer */
133 	size_t	o_len;		/* length of buffer */
134 	char	*o_nxt;		/* next free byte in buffer */
135 } ob_t;
136 
137 typedef struct type type_t;
138 
139 #include "externs.h"
140