1 /* $NetBSD: lint.h,v 1.52 2026/01/11 18:11:38 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. 53 typedef 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 */ 62 typedef 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 INT128, /* (signed) __int128_t */ 79 UINT128, /* __uint128_t */ 80 FLOAT, /* float */ 81 DOUBLE, /* double or, with tflag, long float */ 82 LDOUBLE, /* long double */ 83 COMPLEX, /* keyword "_Complex", only used in the parser */ 84 FCOMPLEX, /* float _Complex */ 85 DCOMPLEX, /* double _Complex */ 86 LCOMPLEX, /* long double _Complex */ 87 VOID, /* void */ 88 AUTO_TYPE, /* GCC's __auto_type */ 89 STRUCT, /* structure tag */ 90 UNION, /* union tag */ 91 ENUM, /* enum tag */ 92 PTR, /* pointer */ 93 ARRAY, /* array */ 94 FUNC, /* function */ 95 #define NTSPEC ((int)FUNC + 1) 96 } tspec_t; 97 98 99 /* 100 * size of types, name and classification 101 */ 102 typedef struct { 103 #if IS_LINT1 104 unsigned int tt_size_in_bits; 105 enum rank_kind { 106 RK_NONE, 107 RK_INTEGER, 108 RK_FLOATING, 109 RK_COMPLEX, 110 } tt_rank_kind; 111 unsigned int tt_rank_value; /* relative size of the type; depends 112 * on pflag and PTRDIFF_TSPEC */ 113 #endif 114 tspec_t tt_signed_counterpart; 115 tspec_t tt_unsigned_counterpart; 116 bool tt_is_integer:1; /* integer type */ 117 #if IS_LINT1 118 bool tt_is_uinteger:1; /* unsigned integer type */ 119 bool tt_is_floating:1; /* floating point type */ 120 bool tt_is_arithmetic:1; /* arithmetic type */ 121 bool tt_is_scalar:1; /* scalar type */ 122 bool tt_is_complex:1; /* complex type */ 123 #endif 124 const char *tt_name; /* name of the type */ 125 } ttab_t; 126 127 extern ttab_t ttab[]; 128 129 static inline const ttab_t * 130 type_properties(tspec_t t) 131 { 132 return ttab + t; 133 } 134 135 #define size_in_bits(t) (type_properties(t)->tt_size_in_bits) 136 #define signed_type(t) (type_properties(t)->tt_signed_counterpart) 137 #define unsigned_type(t) (type_properties(t)->tt_unsigned_counterpart) 138 #define is_integer(t) (type_properties(t)->tt_is_integer) 139 #define is_uinteger(t) (type_properties(t)->tt_is_uinteger) 140 #define is_floating(t) (type_properties(t)->tt_is_floating) 141 #define is_arithmetic(t) (type_properties(t)->tt_is_arithmetic) 142 #define is_complex(t) (type_properties(t)->tt_is_complex) 143 #define is_scalar(t) (type_properties(t)->tt_is_scalar) 144 145 #define has_operands(tn) (modtab[(tn)->tn_op].m_has_operands) 146 147 148 typedef enum { 149 NODECL, /* not declared until now */ 150 DECL, /* declared */ 151 TDEF, /* tentative defined */ 152 DEF /* defined */ 153 } def_t; 154 155 #if IS_LINT1 156 typedef struct lint1_type type_t; 157 #else 158 typedef struct lint2_type type_t; 159 #endif 160 #endif 161 162 static inline bool 163 ch_isalnum(char ch) 164 { 165 return isalnum((unsigned char)ch) != 0; 166 } 167 168 static inline bool 169 ch_isalpha(char ch) 170 { 171 return isalpha((unsigned char)ch) != 0; 172 } 173 174 static inline bool 175 ch_isdigit(char ch) 176 { 177 return isdigit((unsigned char)ch) != 0; 178 } 179 180 static inline bool 181 ch_islower(char ch) 182 { 183 return islower((unsigned char)ch) != 0; 184 } 185 186 static inline bool 187 ch_isprint(char ch) 188 { 189 return isprint((unsigned char)ch) != 0; 190 } 191 192 static inline bool 193 ch_isspace(char ch) 194 { 195 return isspace((unsigned char)ch) != 0; 196 } 197 198 static inline bool 199 ch_isupper(char ch) 200 { 201 return isupper((unsigned char)ch) != 0; 202 } 203 204 #include "externs.h" 205
Indexes created Sat Feb 21 16:20:20 UTC 2026