mirror of
https://github.com/autc04/Retro68.git
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494 lines
14 KiB
C++
494 lines
14 KiB
C++
// Debug-mode error formatting implementation -*- C++ -*-
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// Copyright (C) 2003-2017 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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// 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/formatter.h
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* This file is a GNU debug extension to the Standard C++ Library.
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*/
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#ifndef _GLIBCXX_DEBUG_FORMATTER_H
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#define _GLIBCXX_DEBUG_FORMATTER_H 1
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#include <bits/c++config.h>
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#include <bits/cpp_type_traits.h>
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#if __cpp_rtti
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# include <typeinfo>
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# define _GLIBCXX_TYPEID(_Type) &typeid(_Type)
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#else
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namespace std
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{
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class type_info;
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}
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# define _GLIBCXX_TYPEID(_Type) 0
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#endif
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namespace __gnu_debug
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{
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using std::type_info;
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template<typename _Iterator>
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bool __check_singular(const _Iterator&);
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class _Safe_sequence_base;
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template<typename _Iterator, typename _Sequence>
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class _Safe_iterator;
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template<typename _Iterator, typename _Sequence>
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class _Safe_local_iterator;
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template<typename _Sequence>
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class _Safe_sequence;
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enum _Debug_msg_id
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{
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// General checks
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__msg_valid_range,
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__msg_insert_singular,
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__msg_insert_different,
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__msg_erase_bad,
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__msg_erase_different,
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__msg_subscript_oob,
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__msg_empty,
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__msg_unpartitioned,
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__msg_unpartitioned_pred,
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__msg_unsorted,
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__msg_unsorted_pred,
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__msg_not_heap,
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__msg_not_heap_pred,
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// std::bitset checks
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__msg_bad_bitset_write,
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__msg_bad_bitset_read,
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__msg_bad_bitset_flip,
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// std::list checks
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__msg_self_splice,
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__msg_splice_alloc,
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__msg_splice_bad,
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__msg_splice_other,
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__msg_splice_overlap,
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// iterator checks
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__msg_init_singular,
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__msg_init_copy_singular,
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__msg_init_const_singular,
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__msg_copy_singular,
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__msg_bad_deref,
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__msg_bad_inc,
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__msg_bad_dec,
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__msg_iter_subscript_oob,
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__msg_advance_oob,
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__msg_retreat_oob,
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__msg_iter_compare_bad,
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__msg_compare_different,
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__msg_iter_order_bad,
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__msg_order_different,
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__msg_distance_bad,
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__msg_distance_different,
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// istream_iterator
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__msg_deref_istream,
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__msg_inc_istream,
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// ostream_iterator
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__msg_output_ostream,
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// istreambuf_iterator
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__msg_deref_istreambuf,
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__msg_inc_istreambuf,
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// forward_list
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__msg_insert_after_end,
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__msg_erase_after_bad,
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__msg_valid_range2,
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// unordered container local iterators
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__msg_local_iter_compare_bad,
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__msg_non_empty_range,
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// self move assign
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__msg_self_move_assign,
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// unordered container buckets
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__msg_bucket_index_oob,
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__msg_valid_load_factor,
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// others
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__msg_equal_allocs,
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__msg_insert_range_from_self,
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__msg_irreflexive_ordering
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};
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class _Error_formatter
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{
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// Tags denoting the type of parameter for construction
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struct _Is_iterator { };
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struct _Is_iterator_value_type { };
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struct _Is_sequence { };
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struct _Is_instance { };
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public:
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/// Whether an iterator is constant, mutable, or unknown
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enum _Constness
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{
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__unknown_constness,
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__const_iterator,
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__mutable_iterator,
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__last_constness
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};
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// The state of the iterator (fine-grained), if we know it.
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enum _Iterator_state
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{
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__unknown_state,
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__singular, // singular, may still be attached to a sequence
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__begin, // dereferenceable, and at the beginning
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__middle, // dereferenceable, not at the beginning
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__end, // past-the-end, may be at beginning if sequence empty
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__before_begin, // before begin
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__last_state
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};
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// A parameter that may be referenced by an error message
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struct _Parameter
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{
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enum
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{
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__unused_param,
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__iterator,
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__sequence,
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__integer,
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__string,
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__instance,
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__iterator_value_type
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} _M_kind;
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struct _Type
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{
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const char* _M_name;
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const type_info* _M_type;
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};
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struct _Instance : _Type
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{
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const void* _M_address;
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};
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union
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{
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// When _M_kind == __iterator
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struct : _Instance
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{
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_Constness _M_constness;
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_Iterator_state _M_state;
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const void* _M_sequence;
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const type_info* _M_seq_type;
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} _M_iterator;
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// When _M_kind == __sequence
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_Instance _M_sequence;
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// When _M_kind == __integer
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struct
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{
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const char* _M_name;
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long _M_value;
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} _M_integer;
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// When _M_kind == __string
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struct
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{
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const char* _M_name;
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const char* _M_value;
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} _M_string;
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// When _M_kind == __instance
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_Instance _M_instance;
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// When _M_kind == __iterator_value_type
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_Type _M_iterator_value_type;
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} _M_variant;
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_Parameter() : _M_kind(__unused_param), _M_variant() { }
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_Parameter(long __value, const char* __name)
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: _M_kind(__integer), _M_variant()
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{
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_M_variant._M_integer._M_name = __name;
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_M_variant._M_integer._M_value = __value;
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}
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_Parameter(const char* __value, const char* __name)
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: _M_kind(__string), _M_variant()
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{
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_M_variant._M_string._M_name = __name;
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_M_variant._M_string._M_value = __value;
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}
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template<typename _Iterator, typename _Sequence>
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_Parameter(_Safe_iterator<_Iterator, _Sequence> const& __it,
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const char* __name, _Is_iterator)
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: _M_kind(__iterator), _M_variant()
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{
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_M_variant._M_iterator._M_name = __name;
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_M_variant._M_iterator._M_address = std::__addressof(__it);
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_M_variant._M_iterator._M_type = _GLIBCXX_TYPEID(__it);
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_M_variant._M_iterator._M_constness =
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std::__are_same<_Safe_iterator<_Iterator, _Sequence>,
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typename _Sequence::iterator>::
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__value ? __mutable_iterator : __const_iterator;
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_M_variant._M_iterator._M_sequence = __it._M_get_sequence();
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_M_variant._M_iterator._M_seq_type = _GLIBCXX_TYPEID(_Sequence);
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if (__it._M_singular())
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_M_variant._M_iterator._M_state = __singular;
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else
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{
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if (__it._M_is_before_begin())
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_M_variant._M_iterator._M_state = __before_begin;
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else if (__it._M_is_end())
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_M_variant._M_iterator._M_state = __end;
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else if (__it._M_is_begin())
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_M_variant._M_iterator._M_state = __begin;
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else
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_M_variant._M_iterator._M_state = __middle;
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}
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}
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template<typename _Iterator, typename _Sequence>
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_Parameter(_Safe_local_iterator<_Iterator, _Sequence> const& __it,
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const char* __name, _Is_iterator)
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: _M_kind(__iterator), _M_variant()
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{
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_M_variant._M_iterator._M_name = __name;
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_M_variant._M_iterator._M_address = std::__addressof(__it);
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_M_variant._M_iterator._M_type = _GLIBCXX_TYPEID(__it);
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_M_variant._M_iterator._M_constness =
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std::__are_same<_Safe_local_iterator<_Iterator, _Sequence>,
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typename _Sequence::local_iterator>::
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__value ? __mutable_iterator : __const_iterator;
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_M_variant._M_iterator._M_sequence = __it._M_get_sequence();
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_M_variant._M_iterator._M_seq_type = _GLIBCXX_TYPEID(_Sequence);
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if (__it._M_singular())
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_M_variant._M_iterator._M_state = __singular;
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else
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{
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if (__it._M_is_end())
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_M_variant._M_iterator._M_state = __end;
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else if (__it._M_is_begin())
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_M_variant._M_iterator._M_state = __begin;
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else
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_M_variant._M_iterator._M_state = __middle;
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}
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}
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template<typename _Type>
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_Parameter(const _Type* const& __it, const char* __name, _Is_iterator)
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: _M_kind(__iterator), _M_variant()
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{
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_M_variant._M_iterator._M_name = __name;
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_M_variant._M_iterator._M_address = std::__addressof(__it);
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_M_variant._M_iterator._M_type = _GLIBCXX_TYPEID(__it);
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_M_variant._M_iterator._M_constness = __const_iterator;
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_M_variant._M_iterator._M_state = __it ? __unknown_state : __singular;
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_M_variant._M_iterator._M_sequence = 0;
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_M_variant._M_iterator._M_seq_type = 0;
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}
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template<typename _Type>
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_Parameter(_Type* const& __it, const char* __name, _Is_iterator)
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: _M_kind(__iterator), _M_variant()
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{
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_M_variant._M_iterator._M_name = __name;
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_M_variant._M_iterator._M_address = std::__addressof(__it);
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_M_variant._M_iterator._M_type = _GLIBCXX_TYPEID(__it);
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_M_variant._M_iterator._M_constness = __mutable_iterator;
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_M_variant._M_iterator._M_state = __it ? __unknown_state : __singular;
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_M_variant._M_iterator._M_sequence = 0;
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_M_variant._M_iterator._M_seq_type = 0;
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}
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template<typename _Iterator>
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_Parameter(_Iterator const& __it, const char* __name, _Is_iterator)
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: _M_kind(__iterator), _M_variant()
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{
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_M_variant._M_iterator._M_name = __name;
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_M_variant._M_iterator._M_address = std::__addressof(__it);
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_M_variant._M_iterator._M_type = _GLIBCXX_TYPEID(__it);
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_M_variant._M_iterator._M_constness = __unknown_constness;
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_M_variant._M_iterator._M_state =
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__gnu_debug::__check_singular(__it) ? __singular : __unknown_state;
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_M_variant._M_iterator._M_sequence = 0;
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_M_variant._M_iterator._M_seq_type = 0;
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}
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template<typename _Sequence>
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_Parameter(const _Safe_sequence<_Sequence>& __seq,
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const char* __name, _Is_sequence)
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: _M_kind(__sequence), _M_variant()
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{
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_M_variant._M_sequence._M_name = __name;
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_M_variant._M_sequence._M_address =
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static_cast<const _Sequence*>(std::__addressof(__seq));
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_M_variant._M_sequence._M_type = _GLIBCXX_TYPEID(_Sequence);
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}
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template<typename _Sequence>
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_Parameter(const _Sequence& __seq, const char* __name, _Is_sequence)
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: _M_kind(__sequence), _M_variant()
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{
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_M_variant._M_sequence._M_name = __name;
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_M_variant._M_sequence._M_address = std::__addressof(__seq);
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_M_variant._M_sequence._M_type = _GLIBCXX_TYPEID(_Sequence);
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}
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template<typename _Iterator>
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_Parameter(const _Iterator& __it, const char* __name,
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_Is_iterator_value_type)
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: _M_kind(__iterator_value_type), _M_variant()
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{
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_M_variant._M_iterator_value_type._M_name = __name;
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_M_variant._M_iterator_value_type._M_type =
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_GLIBCXX_TYPEID(typename std::iterator_traits<_Iterator>::value_type);
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}
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template<typename _Type>
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_Parameter(const _Type& __inst, const char* __name, _Is_instance)
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: _M_kind(__instance), _M_variant()
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{
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_M_variant._M_instance._M_name = __name;
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_M_variant._M_instance._M_address = &__inst;
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_M_variant._M_instance._M_type = _GLIBCXX_TYPEID(_Type);
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}
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void
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_M_print_field(const _Error_formatter* __formatter,
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const char* __name) const _GLIBCXX_DEPRECATED;
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void
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_M_print_description(const _Error_formatter* __formatter)
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const _GLIBCXX_DEPRECATED;
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};
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template<typename _Iterator>
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_Error_formatter&
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_M_iterator(const _Iterator& __it, const char* __name = 0)
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{
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if (_M_num_parameters < std::size_t(__max_parameters))
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_M_parameters[_M_num_parameters++] = _Parameter(__it, __name,
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_Is_iterator());
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return *this;
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}
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template<typename _Iterator>
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_Error_formatter&
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_M_iterator_value_type(const _Iterator& __it,
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const char* __name = 0)
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{
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if (_M_num_parameters < __max_parameters)
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_M_parameters[_M_num_parameters++] =
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_Parameter(__it, __name, _Is_iterator_value_type());
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return *this;
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}
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_Error_formatter&
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_M_integer(long __value, const char* __name = 0)
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{
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if (_M_num_parameters < __max_parameters)
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_M_parameters[_M_num_parameters++] = _Parameter(__value, __name);
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return *this;
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}
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_Error_formatter&
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_M_string(const char* __value, const char* __name = 0)
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{
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if (_M_num_parameters < __max_parameters)
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_M_parameters[_M_num_parameters++] = _Parameter(__value, __name);
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return *this;
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}
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template<typename _Sequence>
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_Error_formatter&
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_M_sequence(const _Sequence& __seq, const char* __name = 0)
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{
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if (_M_num_parameters < __max_parameters)
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_M_parameters[_M_num_parameters++] = _Parameter(__seq, __name,
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_Is_sequence());
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return *this;
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}
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template<typename _Type>
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_Error_formatter&
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_M_instance(const _Type& __inst, const char* __name = 0)
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{
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if (_M_num_parameters < __max_parameters)
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_M_parameters[_M_num_parameters++] = _Parameter(__inst, __name,
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_Is_instance());
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return *this;
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}
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_Error_formatter&
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_M_message(const char* __text)
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{ _M_text = __text; return *this; }
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// Kept const qualifier for backward compatibility, to keep the same
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// exported symbol.
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_Error_formatter&
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_M_message(_Debug_msg_id __id) const throw ();
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_GLIBCXX_NORETURN void
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_M_error() const;
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template<typename _Tp>
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void
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_M_format_word(char*, int, const char*, _Tp)
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const throw () _GLIBCXX_DEPRECATED;
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void
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_M_print_word(const char* __word) const _GLIBCXX_DEPRECATED;
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void
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_M_print_string(const char* __string) const _GLIBCXX_DEPRECATED;
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private:
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_Error_formatter(const char* __file, unsigned int __line)
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: _M_file(__file), _M_line(__line), _M_num_parameters(0), _M_text(0)
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{ }
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void
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_M_get_max_length() const throw () _GLIBCXX_DEPRECATED;
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enum { __max_parameters = 9 };
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const char* _M_file;
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unsigned int _M_line;
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_Parameter _M_parameters[__max_parameters];
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unsigned int _M_num_parameters;
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const char* _M_text;
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public:
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static _Error_formatter&
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_M_at(const char* __file, unsigned int __line)
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{
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static _Error_formatter __formatter(__file, __line);
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return __formatter;
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}
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};
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} // namespace __gnu_debug
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#undef _GLIBCXX_TYPEID
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#endif
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