1/* $NetBSD: lint.h,v 1.50 2024/05/12 18:49:35 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#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 <ctype.h> 42#include <err.h> 43#include <inttypes.h> 44#include <stdbool.h> 45#include <stddef.h> 46#include <stdio.h> 47 48#include "param.h" 49 50#if IS_LINT1 || IS_LINT2 51 52// Null-terminated character buffer, may contain null characters. 53typedef struct { 54 size_t len; /* excluding the terminating '\0' */ 55 size_t cap; 56 char *data; 57} buffer; 58 59/* 60 * Type specifiers, used in type structures (type_t) and elsewhere. 61 */ 62typedef enum { 63 NO_TSPEC = 0, 64 SIGNED, /* keyword "signed", only used in the parser */ 65 UNSIGN, /* keyword "unsigned", only used in the parser */ 66 BOOL, /* _Bool */ 67 CHAR, /* char */ 68 SCHAR, /* signed char */ 69 UCHAR, /* unsigned char */ 70 SHORT, /* (signed) short */ 71 USHORT, /* unsigned short */ 72 INT, /* (signed) int */ 73 UINT, /* unsigned int */ 74 LONG, /* (signed) long */ 75 ULONG, /* unsigned long */ 76 LLONG, /* (signed) long long */ 77 ULLONG, /* unsigned long long */ 78#ifdef INT128_SIZE 79 INT128, /* (signed) __int128_t */ 80 UINT128, /* __uint128_t */ 81#endif 82 FLOAT, /* float */ 83 DOUBLE, /* double or, with tflag, long float */ 84 LDOUBLE, /* long double */ 85 COMPLEX, /* keyword "_Complex", only used in the parser */ 86 FCOMPLEX, /* float _Complex */ 87 DCOMPLEX, /* double _Complex */ 88 LCOMPLEX, /* long double _Complex */ 89 VOID, /* void */ 90 STRUCT, /* structure tag */ 91 UNION, /* union tag */ 92 ENUM, /* enum tag */ 93 PTR, /* pointer */ 94 ARRAY, /* array */ 95 FUNC, /* function */ 96#define NTSPEC ((int)FUNC + 1) 97} tspec_t; 98 99 100/* 101 * size of types, name and classification 102 */ 103typedef struct { 104#if IS_LINT1 105 unsigned int tt_size_in_bits; 106 enum rank_kind { 107 RK_NONE, 108 RK_INTEGER, 109 RK_FLOATING, 110 RK_COMPLEX, 111 } tt_rank_kind; 112 unsigned int tt_rank_value; /* relative size of the type; depends 113 * on pflag and PTRDIFF_TSPEC */ 114#endif 115 tspec_t tt_signed_counterpart; 116 tspec_t tt_unsigned_counterpart; 117 bool tt_is_integer:1; /* integer type */ 118#if IS_LINT1 119 bool tt_is_uinteger:1; /* unsigned integer type */ 120 bool tt_is_floating:1; /* floating point type */ 121 bool tt_is_arithmetic:1; /* arithmetic type */ 122 bool tt_is_scalar:1; /* scalar type */ 123 bool tt_is_complex:1; /* complex type */ 124#endif 125 const char *tt_name; /* name of the type */ 126} ttab_t; 127 128extern ttab_t ttab[]; 129 130static inline const ttab_t * 131type_properties(tspec_t t) 132{ 133 return ttab + t; 134} 135 136#define size_in_bits(t) (type_properties(t)->tt_size_in_bits) 137#define signed_type(t) (type_properties(t)->tt_signed_counterpart) 138#define unsigned_type(t) (type_properties(t)->tt_unsigned_counterpart) 139#define is_integer(t) (type_properties(t)->tt_is_integer) 140#define is_uinteger(t) (type_properties(t)->tt_is_uinteger) 141#define is_floating(t) (type_properties(t)->tt_is_floating) 142#define is_arithmetic(t) (type_properties(t)->tt_is_arithmetic) 143#define is_complex(t) (type_properties(t)->tt_is_complex) 144#define is_scalar(t) (type_properties(t)->tt_is_scalar) 145 146#define has_operands(tn) (modtab[(tn)->tn_op].m_has_operands) 147 148 149typedef enum { 150 NODECL, /* not declared until now */ 151 DECL, /* declared */ 152 TDEF, /* tentative defined */ 153 DEF /* defined */ 154} def_t; 155 156#if IS_LINT1 157typedef struct lint1_type type_t; 158#else 159typedef struct lint2_type type_t; 160#endif 161#endif 162 163static inline bool 164ch_isalnum(char ch) 165{ 166 return isalnum((unsigned char)ch) != 0; 167} 168 169static inline bool 170ch_isalpha(char ch) 171{ 172 return isalpha((unsigned char)ch) != 0; 173} 174 175static inline bool 176ch_isdigit(char ch) 177{ 178 return isdigit((unsigned char)ch) != 0; 179} 180 181static inline bool 182ch_islower(char ch) 183{ 184 return islower((unsigned char)ch) != 0; 185} 186 187static inline bool 188ch_isprint(char ch) 189{ 190 return isprint((unsigned char)ch) != 0; 191} 192 193static inline bool 194ch_isspace(char ch) 195{ 196 return isspace((unsigned char)ch) != 0; 197} 198 199static inline bool 200ch_isupper(char ch) 201{ 202 return isupper((unsigned char)ch) != 0; 203} 204 205#include "externs.h" 206