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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/debug/formatter.h')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/debug/formatter.h | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/debug/formatter.h b/gcc-4.4.3/libstdc++-v3/include/debug/formatter.h new file mode 100644 index 000000000..0538edb15 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/debug/formatter.h @@ -0,0 +1,392 @@ +// 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 |