--- /dev/null
+// Debug-mode error formatting implementation -*- C++ -*-
+
+// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file debug/formatter.h
+ * This file is a GNU debug extension to the Standard C++ Library.
+ */
+
+#ifndef _GLIBCXX_DEBUG_FORMATTER_H
+#define _GLIBCXX_DEBUG_FORMATTER_H 1
+
+#include <typeinfo>
+#include <debug/debug.h>
+
+namespace __gnu_debug
+{
+ using std::type_info;
+
+ /** Determine if the two types are the same. */
+ template<typename _Type1, typename _Type2>
+ struct __is_same
+ {
+ static const bool value = false;
+ };
+
+ template<typename _Type>
+ struct __is_same<_Type, _Type>
+ {
+ static const bool value = true;
+ };
+
+ template<bool> struct __truth { };
+
+ class _Safe_sequence_base;
+
+ template<typename _Iterator, typename _Sequence>
+ class _Safe_iterator;
+
+ template<typename _Sequence>
+ class _Safe_sequence;
+
+ enum _Debug_msg_id
+ {
+ // General checks
+ __msg_valid_range,
+ __msg_insert_singular,
+ __msg_insert_different,
+ __msg_erase_bad,
+ __msg_erase_different,
+ __msg_subscript_oob,
+ __msg_empty,
+ __msg_unpartitioned,
+ __msg_unpartitioned_pred,
+ __msg_unsorted,
+ __msg_unsorted_pred,
+ __msg_not_heap,
+ __msg_not_heap_pred,
+ // std::bitset checks
+ __msg_bad_bitset_write,
+ __msg_bad_bitset_read,
+ __msg_bad_bitset_flip,
+ // std::list checks
+ __msg_self_splice,
+ __msg_splice_alloc,
+ __msg_splice_bad,
+ __msg_splice_other,
+ __msg_splice_overlap,
+ // iterator checks
+ __msg_init_singular,
+ __msg_init_copy_singular,
+ __msg_init_const_singular,
+ __msg_copy_singular,
+ __msg_bad_deref,
+ __msg_bad_inc,
+ __msg_bad_dec,
+ __msg_iter_subscript_oob,
+ __msg_advance_oob,
+ __msg_retreat_oob,
+ __msg_iter_compare_bad,
+ __msg_compare_different,
+ __msg_iter_order_bad,
+ __msg_order_different,
+ __msg_distance_bad,
+ __msg_distance_different,
+ // istream_iterator
+ __msg_deref_istream,
+ __msg_inc_istream,
+ // ostream_iterator
+ __msg_output_ostream,
+ // istreambuf_iterator
+ __msg_deref_istreambuf,
+ __msg_inc_istreambuf
+ };
+
+ class _Error_formatter
+ {
+ /// Whether an iterator is constant, mutable, or unknown
+ enum _Constness
+ {
+ __unknown_constness,
+ __const_iterator,
+ __mutable_iterator,
+ __last_constness
+ };
+
+ // The state of the iterator (fine-grained), if we know it.
+ enum _Iterator_state
+ {
+ __unknown_state,
+ __singular, // singular, may still be attached to a sequence
+ __begin, // dereferenceable, and at the beginning
+ __middle, // dereferenceable, not at the beginning
+ __end, // past-the-end, may be at beginning if sequence empty
+ __last_state
+ };
+
+ // Tags denoting the type of parameter for construction
+ struct _Is_iterator { };
+ struct _Is_sequence { };
+
+ // A parameter that may be referenced by an error message
+ struct _Parameter
+ {
+ enum
+ {
+ __unused_param,
+ __iterator,
+ __sequence,
+ __integer,
+ __string
+ } _M_kind;
+
+ union
+ {
+ // When _M_kind == __iterator
+ struct
+ {
+ const char* _M_name;
+ const void* _M_address;
+ const type_info* _M_type;
+ _Constness _M_constness;
+ _Iterator_state _M_state;
+ const void* _M_sequence;
+ const type_info* _M_seq_type;
+ } _M_iterator;
+
+ // When _M_kind == __sequence
+ struct
+ {
+ const char* _M_name;
+ const void* _M_address;
+ const type_info* _M_type;
+ } _M_sequence;
+
+ // When _M_kind == __integer
+ struct
+ {
+ const char* _M_name;
+ long _M_value;
+ } _M_integer;
+
+ // When _M_kind == __string
+ struct
+ {
+ const char* _M_name;
+ const char* _M_value;
+ } _M_string;
+ } _M_variant;
+
+ _Parameter() : _M_kind(__unused_param), _M_variant() { }
+
+ _Parameter(long __value, const char* __name)
+ : _M_kind(__integer), _M_variant()
+ {
+ _M_variant._M_integer._M_name = __name;
+ _M_variant._M_integer._M_value = __value;
+ }
+
+ _Parameter(const char* __value, const char* __name)
+ : _M_kind(__string), _M_variant()
+ {
+ _M_variant._M_string._M_name = __name;
+ _M_variant._M_string._M_value = __value;
+ }
+
+ template<typename _Iterator, typename _Sequence>
+ _Parameter(const _Safe_iterator<_Iterator, _Sequence>& __it,
+ const char* __name, _Is_iterator)
+ : _M_kind(__iterator), _M_variant()
+ {
+ _M_variant._M_iterator._M_name = __name;
+ _M_variant._M_iterator._M_address = &__it;
+ _M_variant._M_iterator._M_type = &typeid(__it);
+ _M_variant._M_iterator._M_constness =
+ __is_same<_Safe_iterator<_Iterator, _Sequence>,
+ typename _Sequence::iterator>::
+ value? __mutable_iterator : __const_iterator;
+ _M_variant._M_iterator._M_sequence = __it._M_get_sequence();
+ _M_variant._M_iterator._M_seq_type = &typeid(_Sequence);
+
+ if (__it._M_singular())
+ _M_variant._M_iterator._M_state = __singular;
+ else
+ {
+ bool __is_begin = __it._M_is_begin();
+ bool __is_end = __it._M_is_end();
+ if (__is_end)
+ _M_variant._M_iterator._M_state = __end;
+ else if (__is_begin)
+ _M_variant._M_iterator._M_state = __begin;
+ else
+ _M_variant._M_iterator._M_state = __middle;
+ }
+ }
+
+ template<typename _Type>
+ _Parameter(const _Type*& __it, const char* __name, _Is_iterator)
+ : _M_kind(__iterator), _M_variant()
+ {
+ _M_variant._M_iterator._M_name = __name;
+ _M_variant._M_iterator._M_address = &__it;
+ _M_variant._M_iterator._M_type = &typeid(__it);
+ _M_variant._M_iterator._M_constness = __mutable_iterator;
+ _M_variant._M_iterator._M_state = __it? __unknown_state : __singular;
+ _M_variant._M_iterator._M_sequence = 0;
+ _M_variant._M_iterator._M_seq_type = 0;
+ }
+
+ template<typename _Type>
+ _Parameter(_Type*& __it, const char* __name, _Is_iterator)
+ : _M_kind(__iterator), _M_variant()
+ {
+ _M_variant._M_iterator._M_name = __name;
+ _M_variant._M_iterator._M_address = &__it;
+ _M_variant._M_iterator._M_type = &typeid(__it);
+ _M_variant._M_iterator._M_constness = __const_iterator;
+ _M_variant._M_iterator._M_state = __it? __unknown_state : __singular;
+ _M_variant._M_iterator._M_sequence = 0;
+ _M_variant._M_iterator._M_seq_type = 0;
+ }
+
+ template<typename _Iterator>
+ _Parameter(const _Iterator& __it, const char* __name, _Is_iterator)
+ : _M_kind(__iterator), _M_variant()
+ {
+ _M_variant._M_iterator._M_name = __name;
+ _M_variant._M_iterator._M_address = &__it;
+ _M_variant._M_iterator._M_type = &typeid(__it);
+ _M_variant._M_iterator._M_constness = __unknown_constness;
+ _M_variant._M_iterator._M_state =
+ __gnu_debug::__check_singular(__it)? __singular : __unknown_state;
+ _M_variant._M_iterator._M_sequence = 0;
+ _M_variant._M_iterator._M_seq_type = 0;
+ }
+
+ template<typename _Sequence>
+ _Parameter(const _Safe_sequence<_Sequence>& __seq,
+ const char* __name, _Is_sequence)
+ : _M_kind(__sequence), _M_variant()
+ {
+ _M_variant._M_sequence._M_name = __name;
+ _M_variant._M_sequence._M_address =
+ static_cast<const _Sequence*>(&__seq);
+ _M_variant._M_sequence._M_type = &typeid(_Sequence);
+ }
+
+ template<typename _Sequence>
+ _Parameter(const _Sequence& __seq, const char* __name, _Is_sequence)
+ : _M_kind(__sequence), _M_variant()
+ {
+ _M_variant._M_sequence._M_name = __name;
+ _M_variant._M_sequence._M_address = &__seq;
+ _M_variant._M_sequence._M_type = &typeid(_Sequence);
+ }
+
+ void
+ _M_print_field(const _Error_formatter* __formatter,
+ const char* __name) const;
+
+ void
+ _M_print_description(const _Error_formatter* __formatter) const;
+ };
+
+ friend struct _Parameter;
+
+ public:
+ template<typename _Iterator>
+ const _Error_formatter&
+ _M_iterator(const _Iterator& __it, const char* __name = 0) const
+ {
+ if (_M_num_parameters < size_t(__max_parameters))
+ _M_parameters[_M_num_parameters++] = _Parameter(__it, __name,
+ _Is_iterator());
+ return *this;
+ }
+
+ const _Error_formatter&
+ _M_integer(long __value, const char* __name = 0) const
+ {
+ if (_M_num_parameters < size_t(__max_parameters))
+ _M_parameters[_M_num_parameters++] = _Parameter(__value, __name);
+ return *this;
+ }
+
+ const _Error_formatter&
+ _M_string(const char* __value, const char* __name = 0) const
+ {
+ if (_M_num_parameters < size_t(__max_parameters))
+ _M_parameters[_M_num_parameters++] = _Parameter(__value, __name);
+ return *this;
+ }
+
+ template<typename _Sequence>
+ const _Error_formatter&
+ _M_sequence(const _Sequence& __seq, const char* __name = 0) const
+ {
+ if (_M_num_parameters < size_t(__max_parameters))
+ _M_parameters[_M_num_parameters++] = _Parameter(__seq, __name,
+ _Is_sequence());
+ return *this;
+ }
+
+ const _Error_formatter&
+ _M_message(const char* __text) const
+ { _M_text = __text; return *this; }
+
+ const _Error_formatter&
+ _M_message(_Debug_msg_id __id) const;
+
+ void
+ _M_error() const;
+
+ private:
+ _Error_formatter(const char* __file, size_t __line)
+ : _M_file(__file), _M_line(__line), _M_num_parameters(0), _M_text(0),
+ _M_max_length(78), _M_column(1), _M_first_line(true), _M_wordwrap(false)
+ { _M_get_max_length(); }
+
+ template<typename _Tp>
+ void
+ _M_format_word(char*, int, const char*, _Tp) const;
+
+ void
+ _M_print_word(const char* __word) const;
+
+ void
+ _M_print_string(const char* __string) const;
+
+ void
+ _M_get_max_length() const;
+
+ enum { __max_parameters = 9 };
+
+ const char* _M_file;
+ size_t _M_line;
+ mutable _Parameter _M_parameters[__max_parameters];
+ mutable size_t _M_num_parameters;
+ mutable const char* _M_text;
+ mutable size_t _M_max_length;
+ enum { _M_indent = 4 } ;
+ mutable size_t _M_column;
+ mutable bool _M_first_line;
+ mutable bool _M_wordwrap;
+
+ public:
+ static _Error_formatter
+ _M_at(const char* __file, size_t __line)
+ { return _Error_formatter(__file, __line); }
+ };
+} // namespace __gnu_debug
+
+#endif
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