libstdc++-v3/testsuite/libstdc++-prettyprinters/whatis.cc

   1 // { dg-do run }
   2 // { dg-options "-g -O0 -std=gnu++11" }
   3
   4 // Copyright (C) 2011-2014 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <string>
  22 #include <iostream>
  23 #include <regex>
  24
  25 template<class T>
  26 void
  27 placeholder(const T *s)
  28 {
  29   std::cout << (void *) s;
  30 }
  31
  32 template<class T>
  33 struct holder
  34 {
  35   T *f;
  36 };
  37
  38 typedef std::basic_string<unsigned char> ustring;
  39
  40 // This test is written in a somewhat funny way.
  41 // Each type under test is used twice: first, to form a pointer type,
  42 // and second, as a template parameter.  This is done to work around
  43 // apparent GCC oddities.  The pointer type is needed to ensure that
  44 // the typedef in question ends up in the debuginfo; while the
  45 // template type is used to ensure that a typedef-less variant is
  46 // presented to gdb.
  47
  48 std::string *string_ptr;
  49 holder<std::string> string_holder;
  50 // { dg-final { whatis-test string_holder "holder<std::string>" } }
  51 std::ios *ios_ptr;
  52 holder<std::ios> ios_holder;
  53 // { dg-final { whatis-test ios_holder "holder<std::ios>" } }
  54 std::streambuf *streambuf_ptr;
  55 holder<std::streambuf> streambuf_holder;
  56 // { dg-final { whatis-test streambuf_holder "holder<std::streambuf>" } }
  57 std::istream *istream_ptr;
  58 holder<std::istream> istream_holder;
  59 // { dg-final { whatis-test istream_holder "holder<std::istream>" } }
  60 std::ostream *ostream_ptr;
  61 holder<std::ostream> ostream_holder;
  62 // { dg-final { whatis-test ostream_holder "holder<std::ostream>" } }
  63 std::iostream *iostream_ptr;
  64 holder<std::iostream> iostream_holder;
  65 // { dg-final { whatis-test iostream_holder "holder<std::iostream>" } }
  66 std::stringbuf *stringbuf_ptr;
  67 holder<std::stringbuf> stringbuf_holder;
  68 // { dg-final { whatis-test stringbuf_holder "holder<std::stringbuf>" } }
  69 std::istringstream *istringstream_ptr;
  70 holder<std::istringstream> istringstream_holder;
  71 // { dg-final { whatis-test istringstream_holder "holder<std::istringstream>" } }
  72 std::ostringstream *ostringstream_ptr;
  73 holder<std::ostringstream> ostringstream_holder;
  74 // { dg-final { whatis-test ostringstream_holder "holder<std::ostringstream>" } }
  75 std::stringstream *stringstream_ptr;
  76 holder<std::stringstream> stringstream_holder;
  77 // { dg-final { whatis-test stringstream_holder "holder<std::stringstream>" } }
  78 std::filebuf *filebuf_ptr;
  79 holder<std::filebuf> filebuf_holder;
  80 // { dg-final { whatis-test filebuf_holder "holder<std::filebuf>" } }
  81 std::ifstream *ifstream_ptr;
  82 holder<std::ifstream> ifstream_holder;
  83 // { dg-final { whatis-test ifstream_holder "holder<std::ifstream>" } }
  84 std::ofstream *ofstream_ptr;
  85 holder<std::ofstream> ofstream_holder;
  86 // { dg-final { whatis-test ofstream_holder "holder<std::ofstream>" } }
  87 std::fstream *fstream_ptr;
  88 holder<std::fstream> fstream_holder;
  89 // { dg-final { whatis-test fstream_holder "holder<std::fstream>" } }
  90 std::streampos *streampos_ptr;
  91 holder<std::streampos> streampos_holder;
  92 // { dg-final { whatis-test streampos_holder "holder<std::streampos>" } }
  93 std::regex *regex_ptr;
  94 holder<std::regex> regex_holder;
  95 // { dg-final { whatis-test regex_holder "holder<std::regex>" } }
  96 std::csub_match *csub_match_ptr;
  97 holder<std::csub_match> csub_match_holder;
  98 // { dg-final { whatis-test csub_match_holder "holder<std::csub_match>" } }
  99 std::ssub_match *ssub_match_ptr;
 100 holder<std::ssub_match> ssub_match_holder;
 101 // { dg-final { whatis-test ssub_match_holder "holder<std::ssub_match>" } }
 102 std::cmatch *cmatch_ptr;
 103 holder<std::cmatch> cmatch_holder;
 104 // { dg-final { whatis-test cmatch_holder "holder<std::cmatch>" } }
 105 std::smatch *smatch_ptr;
 106 holder<std::smatch> smatch_holder;
 107 // { dg-final { whatis-test smatch_holder "holder<std::smatch>" } }
 108 std::cregex_iterator *cregex_iterator_ptr;
 109 holder<std::cregex_iterator> cregex_iterator_holder;
 110 // { dg-final { whatis-test cregex_iterator_holder "holder<std::cregex_iterator>" } }
 111 std::sregex_iterator *sregex_iterator_ptr;
 112 holder<std::sregex_iterator> sregex_iterator_holder;
 113 // { dg-final { whatis-test sregex_iterator_holder "holder<std::sregex_iterator>" } }
 114 std::cregex_token_iterator *cregex_token_iterator_ptr;
 115 holder<std::cregex_token_iterator> cregex_token_iterator_holder;
 116 // { dg-final { whatis-test cregex_token_iterator_holder "holder<std::cregex_token_iterator>" } }
 117 std::sregex_token_iterator *sregex_token_iterator_ptr;
 118 holder<std::sregex_token_iterator> sregex_token_iterator_holder;
 119 // { dg-final { whatis-test sregex_token_iterator_holder "holder<std::sregex_token_iterator>" } }
 120 std::u16string *u16string_ptr;
 121 holder<std::u16string> u16string_holder;
 122 // { dg-final { whatis-test u16string_holder "holder<std::u16string>" } }
 123 std::u32string *u32string_ptr;
 124 holder<std::u32string> u32string_holder;
 125 // { dg-final { whatis-test u32string_holder "holder<std::u32string>" } }
 126 std::minstd_rand0 *minstd_rand0_ptr;
 127 holder<std::minstd_rand0> minstd_rand0_holder;
 128 // { dg-final { whatis-test minstd_rand0_holder "holder<std::minstd_rand0>" } }
 129 std::minstd_rand *minstd_rand_ptr;
 130 holder<std::minstd_rand> minstd_rand_holder;
 131 // { dg-final { whatis-test minstd_rand_holder "holder<std::minstd_rand>" } }
 132 std::mt19937 *mt19937_ptr;
 133 holder<std::mt19937> mt19937_holder;
 134 // { dg-final { whatis-test mt19937_holder "holder<std::mt19937>" } }
 135 std::mt19937_64 *mt19937_64_ptr;
 136 holder<std::mt19937_64> mt19937_64_holder;
 137 // { dg-final { whatis-test mt19937_64_holder "holder<std::mt19937_64>" } }
 138 std::ranlux24_base *ranlux24_base_ptr;
 139 holder<std::ranlux24_base> ranlux24_base_holder;
 140 // { dg-final { whatis-test ranlux24_base_holder "holder<std::ranlux24_base>" } }
 141 std::ranlux48_base *ranlux48_base_ptr;
 142 holder<std::ranlux48_base> ranlux48_base_holder;
 143 // { dg-final { whatis-test ranlux48_base_holder "holder<std::ranlux48_base>" } }
 144 std::ranlux24 *ranlux24_ptr;
 145 holder<std::ranlux24> ranlux24_holder;
 146 // { dg-final { whatis-test ranlux24_holder "holder<std::ranlux24>" } }
 147 std::ranlux48 *ranlux48_ptr;
 148 holder<std::ranlux48> ranlux48_holder;
 149 // { dg-final { whatis-test ranlux48_holder "holder<std::ranlux48>" } }
 150 std::knuth_b *knuth_b_ptr;
 151 holder<std::knuth_b> knuth_b_holder;
 152 // { dg-final { whatis-test knuth_b_holder "holder<std::knuth_b>" } }
 153
 154 ustring *ustring_ptr;
 155 holder<ustring> ustring_holder;
 156 // { dg-final { whatis-test ustring_holder "holder<std::basic_string<unsigned char, std::char_traits<unsigned char>, std::allocator<unsigned char> > >" } }
 157
 158 std::basic_string<signed char> *sstring_ptr;
 159 holder< std::basic_string<signed char> > sstring_holder;
 160 // { dg-final { whatis-test sstring_holder "holder<std::basic_string<signed char, std::char_traits<signed char>, std::allocator<signed char> > >" } }
 161
 162 int
 163 main()
 164 {
 165   placeholder(&ios_ptr);                // Mark SPOT
 166   placeholder(&ios_holder);
 167   placeholder(&string_ptr);
 168   placeholder(&string_holder);
 169   placeholder(&streambuf_ptr);
 170   placeholder(&streambuf_holder);
 171   placeholder(&istream_ptr);
 172   placeholder(&istream_holder);
 173   placeholder(&ostream_ptr);
 174   placeholder(&ostream_holder);
 175   placeholder(&iostream_ptr);
 176   placeholder(&iostream_holder);
 177   placeholder(&stringbuf_ptr);
 178   placeholder(&stringbuf_holder);
 179   placeholder(&istringstream_ptr);
 180   placeholder(&istringstream_holder);
 181   placeholder(&ostringstream_ptr);
 182   placeholder(&ostringstream_holder);
 183   placeholder(&stringstream_ptr);
 184   placeholder(&stringstream_holder);
 185   placeholder(&filebuf_ptr);
 186   placeholder(&filebuf_holder);
 187   placeholder(&ifstream_ptr);
 188   placeholder(&ifstream_holder);
 189   placeholder(&ofstream_ptr);
 190   placeholder(&ofstream_holder);
 191   placeholder(&fstream_ptr);
 192   placeholder(&fstream_holder);
 193   placeholder(&streampos_ptr);
 194   placeholder(&streampos_holder);
 195   placeholder(&regex_ptr);
 196   placeholder(&regex_holder);
 197   placeholder(&csub_match_ptr);
 198   placeholder(&csub_match_holder);
 199   placeholder(&ssub_match_ptr);
 200   placeholder(&ssub_match_holder);
 201   placeholder(&cmatch_ptr);
 202   placeholder(&cmatch_holder);
 203   placeholder(&smatch_ptr);
 204   placeholder(&smatch_holder);
 205   placeholder(&cregex_iterator_ptr);
 206   placeholder(&cregex_iterator_holder);
 207   placeholder(&sregex_iterator_ptr);
 208   placeholder(&sregex_iterator_holder);
 209   placeholder(&cregex_token_iterator_ptr);
 210   placeholder(&cregex_token_iterator_holder);
 211   placeholder(&sregex_token_iterator_ptr);
 212   placeholder(&sregex_token_iterator_holder);
 213   placeholder(&u16string_ptr);
 214   placeholder(&u16string_holder);
 215   placeholder(&u32string_ptr);
 216   placeholder(&u32string_holder);
 217   placeholder(&minstd_rand0_ptr);
 218   placeholder(&minstd_rand0_holder);
 219   placeholder(&minstd_rand_ptr);
 220   placeholder(&minstd_rand_holder);
 221   placeholder(&mt19937_ptr);
 222   placeholder(&mt19937_holder);
 223   placeholder(&mt19937_64_ptr);
 224   placeholder(&mt19937_64_holder);
 225   placeholder(&ranlux24_base_ptr);
 226   placeholder(&ranlux24_base_holder);
 227   placeholder(&ranlux48_base_ptr);
 228   placeholder(&ranlux48_base_holder);
 229   placeholder(&ranlux24_ptr);
 230   placeholder(&ranlux24_holder);
 231   placeholder(&ranlux48_ptr);
 232   placeholder(&ranlux48_holder);
 233   placeholder(&knuth_b_ptr);
 234   placeholder(&knuth_b_holder);
 235   placeholder(&ustring_ptr);
 236   placeholder(&ustring_holder);
 237   placeholder(&sstring_ptr);
 238   placeholder(&sstring_holder);
 239
 240   return 0;
 241 }
 242
 243 // { dg-final { gdb-test SPOT } }