2012-11-07 01:42:19 +01:00
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// Debugging array implementation -*- C++ -*-
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2015-01-05 13:33:28 +01:00
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// Copyright (C) 2012-2015 Free Software Foundation, Inc.
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2012-11-07 01:42:19 +01:00
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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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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file debug/array
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* This is a Standard C++ Library header.
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*/
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#ifndef _GLIBCXX_DEBUG_ARRAY
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#define _GLIBCXX_DEBUG_ARRAY 1
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#pragma GCC system_header
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2015-06-23 21:51:02 +02:00
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#include <array>
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2015-05-29 François Dumont fdumont@gcc.gnu.org>
* include/debug/debug.h (_GLIBCXX_DEBUG_ASSERT,
_GLIBCXX_DEBUG_PEDASSERT, _GLIBCXX_DEBUG_ONLY): Move definition...
* include/debug/assertions.h: ...here, new.
* include/debug/formatter.h
(_Error_formatter::_Is_iterator_value_type): New.
(_Error_formatter::_Is_instance): New.
(_Error_formatter::_Parameter): Make public and not friend anymore.
(_Error_formatter::_Parameter::__instance): New _M_kind enum entry.
(_Error_formatter::_Parameter::__iterator_value_type): New _M_kind enum
entry.
(_Error_formatter::_Parameter::_Type): New.
(_Error_formatter::_Parameter::_Instance): New, inherit from
latter.
(union _Error_formatter::_Parameter::_M_variant): Reorganize.
(_Parameter(_Iterator const&, const char*, _Is_iterator)): Make all
overloads take iterator through a const reference.
(_Parameter(const _Iterator&, const char*, _Is_iterator_value_type)):
New.
(_Parameter(const _Type&, const char*, _Is_instance)): New.
(_Error_formatter::_M_print_type): Delete.
(_Error_formatter::_M_iterator_value_type): New.
(_Error_formatter::_M_instance): New.
* include/Makefile.am: Add new above debug file.
* include/Makefile.in: Regenerate.
* include/debug/functions.h
(__check_dereferenceable(const _Safe_iterator<>&),
__valid_range(const _Safe_iterator<>&),
__is_safe_random_iterator<_Safe_iterator<>>): Move...
* include/debug/safe_iterator.h: ... here.
Replace debug.h include with assertions.h.
(__check_singular_aux): Move...
* include/debug/safe_base.h: ... here.
* include/debug/functions.h
(__check_dereferenceable(const _Safe_local_iterator<>&),
__valid_range(const _Safe_local_iterator<>&): Move...
* include/debug/safe_local_iterator.h: ...here.
* include/debug/safe_sequence.h: Replace debug.h with assertions.h.
Remove _Safe_iterator declaration.
* include/debug/safe_unordered_container.h: Replace debug.h with
assertions.h.
* include/debug/array: Replace safe_sequence.h include with
formatter.h and macros.h.
* include/debug/deque: Include functions.tcc.
* include/debug/forward_list: Likewise.
* include/debug/list: Likewise.
* include/debug/string: Likewise.
* include/debug/vector: Likewise.
* include/bits/unique_ptr.h: Replace debug.h include with new
assertions.h.
* include/bits/stl_iterator_base_funcs.h: Likewise.
* testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
Adjust dg-error line number.
* testsuite/23_containers/array/tuple_interface/
tuple_element_debug_neg.cc: Likewise.
* src/c++11/debug.cc: Adapt.
From-SVN: r223877
2015-05-29 23:29:07 +02:00
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#include <debug/formatter.h>
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#include <debug/macros.h>
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2012-11-07 01:42:19 +01:00
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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namespace __debug
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{
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template<typename _Tp, std::size_t _Nm>
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struct array
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{
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typedef _Tp value_type;
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typedef value_type* pointer;
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typedef const value_type* const_pointer;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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typedef value_type* iterator;
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typedef const value_type* const_iterator;
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typedef std::size_t size_type;
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typedef std::ptrdiff_t difference_type;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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// Support for zero-sized arrays mandatory.
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typedef _GLIBCXX_STD_C::__array_traits<_Tp, _Nm> _AT_Type;
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typename _AT_Type::_Type _M_elems;
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template<std::size_t _Size>
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struct _Array_check_subscript
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{
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std::size_t size() { return _Size; }
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_Array_check_subscript(std::size_t __index)
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{ __glibcxx_check_subscript(__index); }
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};
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template<std::size_t _Size>
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struct _Array_check_nonempty
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{
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bool empty() { return _Size == 0; }
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_Array_check_nonempty()
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{ __glibcxx_check_nonempty(); }
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};
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// No explicit construct/copy/destroy for aggregate type.
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// DR 776.
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void
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fill(const value_type& __u)
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{ std::fill_n(begin(), size(), __u); }
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void
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swap(array& __other)
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2015-06-05 16:44:26 +02:00
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noexcept(__is_nothrow_swappable<_Tp>::value)
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2012-11-07 01:42:19 +01:00
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{ std::swap_ranges(begin(), end(), __other.begin()); }
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// Iterators.
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iterator
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begin() noexcept
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{ return iterator(data()); }
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const_iterator
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begin() const noexcept
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{ return const_iterator(data()); }
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iterator
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end() noexcept
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{ return iterator(data() + _Nm); }
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const_iterator
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end() const noexcept
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{ return const_iterator(data() + _Nm); }
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reverse_iterator
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rbegin() noexcept
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{ return reverse_iterator(end()); }
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const_reverse_iterator
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rbegin() const noexcept
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{ return const_reverse_iterator(end()); }
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reverse_iterator
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rend() noexcept
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{ return reverse_iterator(begin()); }
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const_reverse_iterator
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rend() const noexcept
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{ return const_reverse_iterator(begin()); }
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const_iterator
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cbegin() const noexcept
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{ return const_iterator(data()); }
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const_iterator
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cend() const noexcept
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{ return const_iterator(data() + _Nm); }
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const_reverse_iterator
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crbegin() const noexcept
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{ return const_reverse_iterator(end()); }
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const_reverse_iterator
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crend() const noexcept
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{ return const_reverse_iterator(begin()); }
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// Capacity.
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constexpr size_type
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size() const noexcept { return _Nm; }
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constexpr size_type
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max_size() const noexcept { return _Nm; }
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constexpr bool
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empty() const noexcept { return size() == 0; }
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// Element access.
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reference
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re PR libstdc++/58338 (Add noexcept to functions with a narrow contract)
2013-09-18 Marc Glisse <marc.glisse@inria.fr>
PR libstdc++/58338
* include/bits/stl_iterator.h (__normal_iterator) [__normal_iterator,
_M_const_cast, operator*, operator->, operator++, operator--,
operator[], operator+=, operator+, operator-=, operator-, base]:
Mark as noexcept.
(operator==(const __normal_iterator&, const __normal_iterator&),
operator!=(const __normal_iterator&, const __normal_iterator&),
operator<(const __normal_iterator&, const __normal_iterator&),
operator>(const __normal_iterator&, const __normal_iterator&),
operator<=(const __normal_iterator&, const __normal_iterator&),
operator>=(const __normal_iterator&, const __normal_iterator&),
operator-(const __normal_iterator&, const __normal_iterator&),
operator+(difference_type, const __normal_iterator&)): Likewise.
* include/bits/stl_list.h (list) [splice, _M_check_equal_allocators]:
Likewise.
(list::_M_check_equal_allocators): Abort instead of throwing.
* include/debug/array (array) [operator[], front, back]: Mark as
noexcept.
* include/profile/array (array) [operator[], front, back]: Likewise.
* include/std/array (array) [operator[], front, back]: Likewise.
* include/debug/list (list::splice): Likewise.
* include/profile/list (list::splice): Likewise.
* testsuite/23_containers/list/operations/5.cc: Remove file.
* testsuite/23_containers/list/operations/5.h: Likewise.
From-SVN: r202716
2013-09-18 20:31:01 +02:00
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operator[](size_type __n) noexcept
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2012-11-07 01:42:19 +01:00
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{
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__glibcxx_check_subscript(__n);
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return _AT_Type::_S_ref(_M_elems, __n);
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}
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constexpr const_reference
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operator[](size_type __n) const noexcept
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{
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return __n < _Nm ? _AT_Type::_S_ref(_M_elems, __n)
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2012-11-07 14:20:33 +01:00
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: (_GLIBCXX_THROW_OR_ABORT(_Array_check_subscript<_Nm>(__n)),
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2012-11-07 01:42:19 +01:00
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_AT_Type::_S_ref(_M_elems, 0));
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}
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reference
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at(size_type __n)
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{
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if (__n >= _Nm)
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2013-09-22 04:04:13 +02:00
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std::__throw_out_of_range_fmt(__N("array::at: __n "
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"(which is %zu) >= _Nm "
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"(which is %zu)"),
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__n, _Nm);
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2012-11-07 01:42:19 +01:00
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return _AT_Type::_S_ref(_M_elems, __n);
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}
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constexpr const_reference
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at(size_type __n) const
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{
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// Result of conditional expression must be an lvalue so use
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// boolean ? lvalue : (throw-expr, lvalue)
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return __n < _Nm ? _AT_Type::_S_ref(_M_elems, __n)
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2013-09-22 04:04:13 +02:00
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: (std::__throw_out_of_range_fmt(__N("array::at: __n (which is %zu) "
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">= _Nm (which is %zu)"),
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__n, _Nm),
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2012-11-07 01:42:19 +01:00
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_AT_Type::_S_ref(_M_elems, 0));
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}
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reference
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re PR libstdc++/58338 (Add noexcept to functions with a narrow contract)
2013-09-18 Marc Glisse <marc.glisse@inria.fr>
PR libstdc++/58338
* include/bits/stl_iterator.h (__normal_iterator) [__normal_iterator,
_M_const_cast, operator*, operator->, operator++, operator--,
operator[], operator+=, operator+, operator-=, operator-, base]:
Mark as noexcept.
(operator==(const __normal_iterator&, const __normal_iterator&),
operator!=(const __normal_iterator&, const __normal_iterator&),
operator<(const __normal_iterator&, const __normal_iterator&),
operator>(const __normal_iterator&, const __normal_iterator&),
operator<=(const __normal_iterator&, const __normal_iterator&),
operator>=(const __normal_iterator&, const __normal_iterator&),
operator-(const __normal_iterator&, const __normal_iterator&),
operator+(difference_type, const __normal_iterator&)): Likewise.
* include/bits/stl_list.h (list) [splice, _M_check_equal_allocators]:
Likewise.
(list::_M_check_equal_allocators): Abort instead of throwing.
* include/debug/array (array) [operator[], front, back]: Mark as
noexcept.
* include/profile/array (array) [operator[], front, back]: Likewise.
* include/std/array (array) [operator[], front, back]: Likewise.
* include/debug/list (list::splice): Likewise.
* include/profile/list (list::splice): Likewise.
* testsuite/23_containers/list/operations/5.cc: Remove file.
* testsuite/23_containers/list/operations/5.h: Likewise.
From-SVN: r202716
2013-09-18 20:31:01 +02:00
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front() noexcept
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2012-11-07 01:42:19 +01:00
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{
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__glibcxx_check_nonempty();
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return *begin();
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}
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constexpr const_reference
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re PR libstdc++/58338 (Add noexcept to functions with a narrow contract)
2013-09-18 Marc Glisse <marc.glisse@inria.fr>
PR libstdc++/58338
* include/bits/stl_iterator.h (__normal_iterator) [__normal_iterator,
_M_const_cast, operator*, operator->, operator++, operator--,
operator[], operator+=, operator+, operator-=, operator-, base]:
Mark as noexcept.
(operator==(const __normal_iterator&, const __normal_iterator&),
operator!=(const __normal_iterator&, const __normal_iterator&),
operator<(const __normal_iterator&, const __normal_iterator&),
operator>(const __normal_iterator&, const __normal_iterator&),
operator<=(const __normal_iterator&, const __normal_iterator&),
operator>=(const __normal_iterator&, const __normal_iterator&),
operator-(const __normal_iterator&, const __normal_iterator&),
operator+(difference_type, const __normal_iterator&)): Likewise.
* include/bits/stl_list.h (list) [splice, _M_check_equal_allocators]:
Likewise.
(list::_M_check_equal_allocators): Abort instead of throwing.
* include/debug/array (array) [operator[], front, back]: Mark as
noexcept.
* include/profile/array (array) [operator[], front, back]: Likewise.
* include/std/array (array) [operator[], front, back]: Likewise.
* include/debug/list (list::splice): Likewise.
* include/profile/list (list::splice): Likewise.
* testsuite/23_containers/list/operations/5.cc: Remove file.
* testsuite/23_containers/list/operations/5.h: Likewise.
From-SVN: r202716
2013-09-18 20:31:01 +02:00
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front() const noexcept
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2012-11-07 01:42:19 +01:00
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{
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return _Nm ? _AT_Type::_S_ref(_M_elems, 0)
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2012-11-07 14:20:33 +01:00
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: (_GLIBCXX_THROW_OR_ABORT(_Array_check_nonempty<_Nm>()),
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2012-11-07 01:42:19 +01:00
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_AT_Type::_S_ref(_M_elems, 0));
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}
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reference
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re PR libstdc++/58338 (Add noexcept to functions with a narrow contract)
2013-09-18 Marc Glisse <marc.glisse@inria.fr>
PR libstdc++/58338
* include/bits/stl_iterator.h (__normal_iterator) [__normal_iterator,
_M_const_cast, operator*, operator->, operator++, operator--,
operator[], operator+=, operator+, operator-=, operator-, base]:
Mark as noexcept.
(operator==(const __normal_iterator&, const __normal_iterator&),
operator!=(const __normal_iterator&, const __normal_iterator&),
operator<(const __normal_iterator&, const __normal_iterator&),
operator>(const __normal_iterator&, const __normal_iterator&),
operator<=(const __normal_iterator&, const __normal_iterator&),
operator>=(const __normal_iterator&, const __normal_iterator&),
operator-(const __normal_iterator&, const __normal_iterator&),
operator+(difference_type, const __normal_iterator&)): Likewise.
* include/bits/stl_list.h (list) [splice, _M_check_equal_allocators]:
Likewise.
(list::_M_check_equal_allocators): Abort instead of throwing.
* include/debug/array (array) [operator[], front, back]: Mark as
noexcept.
* include/profile/array (array) [operator[], front, back]: Likewise.
* include/std/array (array) [operator[], front, back]: Likewise.
* include/debug/list (list::splice): Likewise.
* include/profile/list (list::splice): Likewise.
* testsuite/23_containers/list/operations/5.cc: Remove file.
* testsuite/23_containers/list/operations/5.h: Likewise.
From-SVN: r202716
2013-09-18 20:31:01 +02:00
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back() noexcept
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2012-11-07 01:42:19 +01:00
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{
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__glibcxx_check_nonempty();
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return _Nm ? *(end() - 1) : *end();
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}
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constexpr const_reference
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re PR libstdc++/58338 (Add noexcept to functions with a narrow contract)
2013-09-18 Marc Glisse <marc.glisse@inria.fr>
PR libstdc++/58338
* include/bits/stl_iterator.h (__normal_iterator) [__normal_iterator,
_M_const_cast, operator*, operator->, operator++, operator--,
operator[], operator+=, operator+, operator-=, operator-, base]:
Mark as noexcept.
(operator==(const __normal_iterator&, const __normal_iterator&),
operator!=(const __normal_iterator&, const __normal_iterator&),
operator<(const __normal_iterator&, const __normal_iterator&),
operator>(const __normal_iterator&, const __normal_iterator&),
operator<=(const __normal_iterator&, const __normal_iterator&),
operator>=(const __normal_iterator&, const __normal_iterator&),
operator-(const __normal_iterator&, const __normal_iterator&),
operator+(difference_type, const __normal_iterator&)): Likewise.
* include/bits/stl_list.h (list) [splice, _M_check_equal_allocators]:
Likewise.
(list::_M_check_equal_allocators): Abort instead of throwing.
* include/debug/array (array) [operator[], front, back]: Mark as
noexcept.
* include/profile/array (array) [operator[], front, back]: Likewise.
* include/std/array (array) [operator[], front, back]: Likewise.
* include/debug/list (list::splice): Likewise.
* include/profile/list (list::splice): Likewise.
* testsuite/23_containers/list/operations/5.cc: Remove file.
* testsuite/23_containers/list/operations/5.h: Likewise.
From-SVN: r202716
2013-09-18 20:31:01 +02:00
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back() const noexcept
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2012-11-07 01:42:19 +01:00
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{
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return _Nm ? _AT_Type::_S_ref(_M_elems, _Nm - 1)
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2012-11-07 14:20:33 +01:00
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: (_GLIBCXX_THROW_OR_ABORT(_Array_check_nonempty<_Nm>()),
|
2012-11-07 01:42:19 +01:00
|
|
|
_AT_Type::_S_ref(_M_elems, 0));
|
|
|
|
}
|
|
|
|
|
|
|
|
pointer
|
|
|
|
data() noexcept
|
2015-05-28 18:00:09 +02:00
|
|
|
{ return _AT_Type::_S_ptr(_M_elems); }
|
2012-11-07 01:42:19 +01:00
|
|
|
|
|
|
|
const_pointer
|
|
|
|
data() const noexcept
|
2015-05-28 18:00:09 +02:00
|
|
|
{ return _AT_Type::_S_ptr(_M_elems); }
|
2012-11-07 01:42:19 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
// Array comparisons.
|
|
|
|
template<typename _Tp, std::size_t _Nm>
|
|
|
|
inline bool
|
|
|
|
operator==(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
|
|
|
|
{ return std::equal(__one.begin(), __one.end(), __two.begin()); }
|
|
|
|
|
|
|
|
template<typename _Tp, std::size_t _Nm>
|
|
|
|
inline bool
|
|
|
|
operator!=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
|
|
|
|
{ return !(__one == __two); }
|
|
|
|
|
|
|
|
template<typename _Tp, std::size_t _Nm>
|
|
|
|
inline bool
|
|
|
|
operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b)
|
|
|
|
{
|
|
|
|
return std::lexicographical_compare(__a.begin(), __a.end(),
|
|
|
|
__b.begin(), __b.end());
|
|
|
|
}
|
|
|
|
|
|
|
|
template<typename _Tp, std::size_t _Nm>
|
|
|
|
inline bool
|
|
|
|
operator>(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
|
|
|
|
{ return __two < __one; }
|
|
|
|
|
|
|
|
template<typename _Tp, std::size_t _Nm>
|
|
|
|
inline bool
|
|
|
|
operator<=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
|
|
|
|
{ return !(__one > __two); }
|
|
|
|
|
|
|
|
template<typename _Tp, std::size_t _Nm>
|
|
|
|
inline bool
|
|
|
|
operator>=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
|
|
|
|
{ return !(__one < __two); }
|
|
|
|
|
|
|
|
// Specialized algorithms.
|
|
|
|
template<typename _Tp, std::size_t _Nm>
|
|
|
|
inline void
|
|
|
|
swap(array<_Tp, _Nm>& __one, array<_Tp, _Nm>& __two)
|
|
|
|
noexcept(noexcept(__one.swap(__two)))
|
|
|
|
{ __one.swap(__two); }
|
|
|
|
|
|
|
|
template<std::size_t _Int, typename _Tp, std::size_t _Nm>
|
|
|
|
constexpr _Tp&
|
|
|
|
get(array<_Tp, _Nm>& __arr) noexcept
|
|
|
|
{
|
|
|
|
static_assert(_Int < _Nm, "index is out of bounds");
|
|
|
|
return _GLIBCXX_STD_C::__array_traits<_Tp, _Nm>::
|
|
|
|
_S_ref(__arr._M_elems, _Int);
|
|
|
|
}
|
|
|
|
|
|
|
|
template<std::size_t _Int, typename _Tp, std::size_t _Nm>
|
|
|
|
constexpr _Tp&&
|
|
|
|
get(array<_Tp, _Nm>&& __arr) noexcept
|
|
|
|
{
|
|
|
|
static_assert(_Int < _Nm, "index is out of bounds");
|
2014-05-13 19:22:08 +02:00
|
|
|
return std::move(__debug::get<_Int>(__arr));
|
2012-11-07 01:42:19 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
template<std::size_t _Int, typename _Tp, std::size_t _Nm>
|
|
|
|
constexpr const _Tp&
|
|
|
|
get(const array<_Tp, _Nm>& __arr) noexcept
|
|
|
|
{
|
|
|
|
static_assert(_Int < _Nm, "index is out of bounds");
|
|
|
|
return _GLIBCXX_STD_C::__array_traits<_Tp, _Nm>::
|
|
|
|
_S_ref(__arr._M_elems, _Int);
|
|
|
|
}
|
|
|
|
} // namespace __debug
|
|
|
|
|
2015-06-23 21:51:02 +02:00
|
|
|
_GLIBCXX_BEGIN_NAMESPACE_VERSION
|
2012-11-07 01:42:19 +01:00
|
|
|
// Tuple interface to class template array.
|
|
|
|
|
|
|
|
/// tuple_size
|
|
|
|
template<typename _Tp, std::size_t _Nm>
|
2015-06-23 21:51:02 +02:00
|
|
|
struct tuple_size<std::__debug::array<_Tp, _Nm>>
|
2012-11-07 01:42:19 +01:00
|
|
|
: public integral_constant<std::size_t, _Nm> { };
|
|
|
|
|
|
|
|
/// tuple_element
|
|
|
|
template<std::size_t _Int, typename _Tp, std::size_t _Nm>
|
2015-06-23 21:51:02 +02:00
|
|
|
struct tuple_element<_Int, std::__debug::array<_Tp, _Nm>>
|
2012-11-07 01:42:19 +01:00
|
|
|
{
|
|
|
|
static_assert(_Int < _Nm, "index is out of bounds");
|
|
|
|
typedef _Tp type;
|
|
|
|
};
|
2015-06-23 21:51:02 +02:00
|
|
|
|
|
|
|
template<typename _Tp, std::size_t _Nm>
|
|
|
|
struct __is_tuple_like_impl<std::__debug::array<_Tp, _Nm>> : true_type
|
|
|
|
{ };
|
|
|
|
|
|
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
2012-11-07 01:42:19 +01:00
|
|
|
} // namespace std
|
|
|
|
|
|
|
|
#endif // _GLIBCXX_DEBUG_ARRAY
|