libstdc++-v3/testsuite/17_intro/names.cc

   1 // Copyright (C) 2017-2021 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do compile }
  19 // { dg-add-options no_pch }
  20
  21 // Define macros for some common variables names that we must not use for
  22 // naming variables, parameters etc. in the library.
  23 #define A (
  24 #define B (
  25 #define C (
  26 #define D (
  27 #define E (
  28 #define F (
  29 #define G (
  30 #define H (
  31 #define I (
  32 #define J (
  33 #define K (
  34 #define L (
  35 #define M (
  36 #define N (
  37 #define O (
  38 #define P (
  39 #define Q (
  40 #define R (
  41 #define S (
  42 #define T (
  43 #define U (
  44 #define V (
  45 #define W (
  46 #define X (
  47 #define Y (
  48 #define Z (
  49 #if __cplusplus >= 201103L
  50 // <random> defines member functions called a() and b()
  51 #else
  52 #define a (
  53 #define b (
  54 #endif
  55 // <queue> and <stack> defined data members called c
  56 #if __cplusplus <= 201703L
  57 // <chrono> defines operator""d in C++20
  58 #define d (
  59 // <numbers> defines std::numbers::e in C++20
  60 #define e (
  61 #endif
  62 #define f (
  63 #define g (
  64 #if __cplusplus >= 201402L
  65 // <chrono> defines operator ""h in C++14
  66 // <complex> defines operator ""i in C++14
  67 #else
  68 #define h (
  69 #define i (
  70 #endif
  71 #define j (
  72 #if __cplusplus >= 201103L
  73 // <random> defines member functions called k()
  74 #else
  75 #define k (
  76 #endif
  77 #define l (
  78 #if __cplusplus >= 201103L
  79 // <random> defines member functions called m() and n()
  80 #else
  81 #define m (
  82 #define n (
  83 #endif
  84 #define o (
  85 #if __cplusplus >= 201103L
  86 // <random> defines member functions called p()
  87 #else
  88 #define p (
  89 #endif
  90 #define q (
  91 #define r (
  92 #if __cplusplus >= 201103L
  93 // <random> defines member functions called s() and t()
  94 // <chrono> and <string> define operator ""s in C++14
  95 #else
  96 #define s (
  97 #define t (
  98 #endif
  99 #define u (
 100 #define v (
 101 #define w (
 102 #define x (
 103 #if __cplusplus <= 201703L
 104 // <chrono> defines operator""y in C++20
 105 #define y (
 106 #endif
 107 #define z (
 108
 109 #define func (
 110 #define tmp (
 111 #define sz (
 112 #define token (
 113
 114 #if __cplusplus < 201103L
 115 #define uses_allocator  (
 116 #endif
 117
 118 #if __cplusplus < 201402L
 119 // <complex> defines operator""il
 120 #define il  (
 121 #endif
 122
 123 #if __cplusplus < 201703L
 124 // <charconv> defines to_chars_result::ptr and to_chars_result::ec
 125 #define ec (
 126 #define ptr (
 127 #endif
 128
 129 // This clashes with newlib so don't use it.
 130 # define __lockable             cannot be used as an identifier
 131
 132
 133 // Common template parameter names
 134 #define OutputIterator          OutputIterator is not a reserved name
 135 #define InputIterator           InputIterator is not a reserved name
 136 #define ForwardIterator         ForwardIterator is not a reserved name
 137 #define BidirectionalIterator   BidirectionalIterator is not a reserved name
 138 #define RandomAccessIterator    RandomAccessIterator is not a reserved name
 139 #define RandomAccessOutputIterator      RandomAccessOutputIterator is not a reserved name
 140 #define RAI                     RAI is not a reserved name
 141 #define RAIter                  RAIter is not a reserved name
 142 #define FwdIter                 FwdIter is not a reserved name
 143 #define OutIter                 OutIter is not a reserved name
 144 #define InIter                  InIter is not a reserved name
 145
 146 #define Alloc                   Alloc is not a reserved name
 147 #define BinaryFunction1         BinaryFunction1 is not a reserved name
 148 #define BinaryFunction2         BinaryFunction2 is not a reserved name
 149 #define Char                    Char is not a reserved name
 150 #define CharT                   CharT is not a reserved name
 151 #define Cmp                     Cmp is not a reserved name
 152 #define Compare                 Compare is not a reserved name
 153 #define Const_Iterator          Const_Iterator is not a reserved name
 154 #define Const_Key_Reference     Const_Key_Reference is not a reserved name
 155 #define Const_Node_Iter         Const_Node_Iter is not a reserved name
 156 #define Const_Pointer           Const_Pointer is not a reserved name
 157 #define Const_Reference         Const_Reference is not a reserved name
 158 #define Data                    Data is not a reserved name
 159 #define DiffType                DiffType is not a reserved name
 160 #define Eq                      Eq is not a reserved name
 161 #define ExecPolicy              ExecPolicy is not a reserved name
 162 #define Expected                Expected is not a reserved name
 163 #define External_Load_Access    External_Load_Access is not a reserved name
 164 #define External_Size_Access    External_Size_Access is not a reserved name
 165 #define Fn                      Fn is not a reserved name
 166 #define Function                Function is not a reserved name
 167 #define Functor                 Functor is not a reserved name
 168 #define Hash                    Hash is not a reserved name
 169 #define H1                      H1 is not a reserved name
 170 #define H2                      H2 is not a reserved name
 171 #define Head                    Head is not a reserved name
 172 #define It                      It is not a reserved name
 173 #define Iter                    Iter is not a reserved name
 174 #define Iterator                Iterator is not a reserved name
 175 #define Key                     Key is not a reserved name
 176 #define Mapped                  Mapped is not a reserved name
 177 #define Node                    Node is not a reserved name
 178 #define Node_iter               Node_iter is not a reserved name
 179 #define Node_ptr                Node_ptr is not a reserved name
 180 #define Overflow                Overflow is not a reserved name
 181 #define Pointer                 Pointer is not a reserved name
 182 #define Policy                  Policy is not a reserved name
 183 #define Pred                    Pred is not a reserved name
 184 #define Ptr                     Ptr is not a reserved name
 185 #define Reference               Reference is not a reserved name
 186 #define Seq                     Seq is not a reserved name
 187 #define Seq_RAIter              Seq_RAIter is not a reserved name
 188 #define Series                  Series is not a reserved name
 189 #define Set                     Set is not a reserved name
 190 #define String                  String is not a reserved name
 191 #define Tp                      Tp is not a reserved name
 192 #define Traits                  Traits is not a reserved name
 193 #define Type                    Type is not a reserved name
 194 #define Value                   Value is not a reserved name
 195 #define ValueT                  ValueT is not a reserved name
 196 #define ValueType               ValueType is not a reserved name
 197
 198 #ifdef _AIX
 199 // See https://gcc.gnu.org/ml/libstdc++/2017-03/msg00015.html
 200 #undef f
 201 #undef r
 202 #undef x
 203 #undef y
 204 // <sys/var.h> defines vario::v
 205 #undef v
 206 #endif
 207
 208 #ifdef __APPLE__
 209 // inttypes.h:  extern intmax_t imaxabs(intmax_t j);
 210 #undef j
 211 #endif
 212
 213 #ifdef __hpux__
 214 #undef d
 215 #undef r
 216 #endif
 217
 218 #if defined (__linux__) && defined (__arm__)
 219 // <sys/ucontext.h> defines fpregset_t::fpregs::j
 220 #undef j
 221 #endif
 222
 223 #if defined (__linux__) && defined (__powerpc__)
 224 // <asm/types.h> defines __vector128::u
 225 #undef u
 226 #endif
 227
 228 #if defined (__linux__) && defined (__sparc__)
 229 #undef y
 230 #endif
 231
 232 #if __has_include(<newlib.h>)
 233 // newlib's <sys/cdefs.h> defines __lockable as a macro.
 234 #undef __lockable
 235 // newlib's <time.h> defines __tzrule_type with these members.
 236 #undef d
 237 #undef m
 238 #undef n
 239 #undef s
 240 // newlib's <math.h> uses this for parameters
 241 #undef x
 242 // newlib's <inttypes.h> uses this for parameters
 243 #undef j
 244 #endif
 245
 246 #ifdef __sun__
 247 // <fenv.h> defines these as members of fex_numeric_t
 248 #undef l
 249 #undef f
 250 #undef d
 251 #undef q
 252 #undef p
 253 // See https://gcc.gnu.org/ml/libstdc++/2019-05/msg00175.html
 254 #undef ptr
 255 // <sys/timespec_util.h> uses this as parameter
 256 #undef r
 257 // <stdlib.h> uses this as member of drand48_data
 258 #undef x
 259 #endif
 260
 261 #ifdef __VXWORKS__
 262
 263 #include <_vxworks-versions.h>
 264
 265 // Some VxWorks 6 or 7 headers are using those.
 266
 267 // private/objLibP.h
 268 #undef u
 269
 270 // arch/ppc/ffs/ArchLib.h
 271 #undef i
 272 #undef j
 273
 274 // math.h
 275 #undef x
 276 #undef y
 277
 278 // stdio.h
 279 #undef ptr
 280
 281 // VxWorks >= 7 specificities
 282
 283 #if _VXWORKS_MAJOR_GE(7)
 284
 285 // regs.h regs structure has a field 'r'
 286 #undef r
 287
 288 #ifndef __RTP__
 289 // in bootLib.h, bootParamCheck has parameters x, a-f
 290 #undef a
 291 #undef b
 292 #undef c
 293 #undef d
 294 #undef e
 295 #undef f
 296 #endif // __RTP__
 297
 298 #endif // VxWorks Major >= 7
 299
 300 #endif // __VXWORKS__
 301
 302 #ifdef _WIN32
 303 #undef Value
 304 // <stdlib.h> defines _CRT_FLOAT::f
 305 #undef f
 306 // <stdlib.h> defines _CRT_DOUBLE::x and _LONGDOUBLE::x
 307 #undef x
 308 // <math.h> defines _complex::x and _complex::y
 309 #undef y
 310 #endif
 311
 312 #include <bits/stdc++.h>