mirror of
https://github.com/autc04/Retro68.git
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118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
// Copyright (C) 2017 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-do run { target c++14 } }
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#include <experimental/source_location>
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#include <experimental/string_view>
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#include <testsuite_hooks.h>
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using std::experimental::source_location;
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using std::experimental::string_view;
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void
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test01()
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{
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constexpr source_location loc = source_location::current();
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static_assert( loc.line() == 30 );
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// static_assert( loc.column() == 35 );
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VERIFY( loc.file_name() == __FILE__ );
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VERIFY( loc.function_name() == string_view(__FUNCTION__) );
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}
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struct S {
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string_view func;
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source_location loc = source_location::current();
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S(source_location loc = source_location::current())
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: func(__FUNCTION__), loc(loc) // values of loc will be from call-site
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{}
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S(int)
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: func(__FUNCTION__) // values of loc should be hereabouts
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{}
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};
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void test02()
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{
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S s0;
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VERIFY( s0.loc.line() == 52 );
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// static_assert( s0.loc.column() == 7 );
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VERIFY( s0.loc.file_name() == __FILE__ );
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VERIFY( s0.loc.function_name() == string_view(__FUNCTION__) );
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S s1(1);
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VERIFY( s1.loc.line() == 46 );
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VERIFY( s1.loc.file_name() == __FILE__ );
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VERIFY( s1.loc.function_name() == s1.func );
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}
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source_location f(source_location a = source_location::current()) {
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return a;
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}
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source_location g(string_view& func) {
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source_location a = source_location::current();
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func = __FUNCTION__;
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return a;
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}
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void test03()
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{
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auto loc = f(); // f's first argument corresponds to this line of code
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VERIFY( loc.line() == 76 );
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// static_assert( loc.column() == 16 );
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VERIFY( loc.file_name() == __FILE__ );
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VERIFY( loc.function_name() == string_view(__FUNCTION__) );
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source_location c = source_location::current();
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loc = f(c); // f's first argument gets the same values as c, above
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VERIFY( loc.line() == 82 );
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// static_assert( loc.column() == 23 );
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VERIFY( loc.file_name() == __FILE__ );
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VERIFY( loc.function_name() == string_view(__FUNCTION__) );
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string_view func;
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loc = g(func);
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VERIFY( loc.line() == 69 );
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// static_assert( loc.column() == 23 );
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VERIFY( loc.file_name() == __FILE__ );
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VERIFY( loc.function_name() == func );
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}
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void
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test04()
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{
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using std::is_same;
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using std::uint_least32_t;
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auto loc = source_location::current();
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static_assert(is_same<decltype(loc), source_location>::value, "");
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static_assert(is_same<decltype(loc.line()), uint_least32_t>::value, "");
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static_assert(is_same<decltype(loc.column()), uint_least32_t>::value, "");
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static_assert(is_same<decltype(loc.file_name()), const char*>::value, "");
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static_assert(is_same<decltype(loc.function_name()), const char*>::value, "");
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}
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int
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main()
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{
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test01();
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test02();
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test03();
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test04();
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}
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