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gcc/libstdc++-v3/include/debug/macros.h
Jonathan Wakely 79e2c7b01c macros.h: Replace @tbd with valid doxygen tag @todo. 
2009-06-23  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* include/debug/macros.h: Replace @tbd with valid doxygen tag @todo.
	* include/std/ratio: Typo in comment.

From-SVN: r148861
2009-06-23 18:51:48 +01:00

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// Debugging support implementation -*- C++ -*-
// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 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/macros.h
* This file is a GNU debug extension to the Standard C++ Library.
*/
#ifndef _GLIBCXX_DEBUG_MACROS_H
#define _GLIBCXX_DEBUG_MACROS_H 1
/**
* Macros used by the implementation to verify certain
* properties. These macros may only be used directly by the debug
* wrappers. Note that these are macros (instead of the more obviously
* "correct" choice of making them functions) because we need line and
* file information at the call site, to minimize the distance between
* the user error and where the error is reported.
*
*/
#define _GLIBCXX_DEBUG_VERIFY(_Condition,_ErrorMessage) \
do \
{ \
if (! (_Condition)) \
__gnu_debug::_Error_formatter::_M_at(__FILE__, __LINE__) \
._ErrorMessage._M_error(); \
} while (false)
// Verify that [_First, _Last) forms a valid iterator range.
#define __glibcxx_check_valid_range(_First,_Last) \
_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__valid_range(_First, _Last), \
_M_message(__gnu_debug::__msg_valid_range) \
._M_iterator(_First, #_First) \
._M_iterator(_Last, #_Last))
/** Verify that we can insert into *this with the iterator _Position.
* Insertion into a container at a specific position requires that
* the iterator be nonsingular (i.e., either dereferenceable or
* past-the-end) and that it reference the sequence we are inserting
* into. Note that this macro is only valid when the container is a
* _Safe_sequence and the iterator is a _Safe_iterator.
*/
#define __glibcxx_check_insert(_Position) \
_GLIBCXX_DEBUG_VERIFY(!_Position._M_singular(), \
_M_message(__gnu_debug::__msg_insert_singular) \
._M_sequence(*this, "this") \
._M_iterator(_Position, #_Position)); \
_GLIBCXX_DEBUG_VERIFY(_Position._M_attached_to(this), \
_M_message(__gnu_debug::__msg_insert_different) \
._M_sequence(*this, "this") \
._M_iterator(_Position, #_Position))
/** Verify that we can insert the values in the iterator range
* [_First, _Last) into *this with the iterator _Position. Insertion
* into a container at a specific position requires that the iterator
* be nonsingular (i.e., either dereferenceable or past-the-end),
* that it reference the sequence we are inserting into, and that the
* iterator range [_First, Last) is a valid (possibly empty)
* range. Note that this macro is only valid when the container is a
* _Safe_sequence and the iterator is a _Safe_iterator.
*
* @todo We would like to be able to check for noninterference of
* _Position and the range [_First, _Last), but that can't (in
* general) be done.
*/
#define __glibcxx_check_insert_range(_Position,_First,_Last) \
__glibcxx_check_valid_range(_First,_Last); \
_GLIBCXX_DEBUG_VERIFY(!_Position._M_singular(), \
_M_message(__gnu_debug::__msg_insert_singular) \
._M_sequence(*this, "this") \
._M_iterator(_Position, #_Position)); \
_GLIBCXX_DEBUG_VERIFY(_Position._M_attached_to(this), \
_M_message(__gnu_debug::__msg_insert_different) \
._M_sequence(*this, "this") \
._M_iterator(_Position, #_Position))
/** Verify that we can erase the element referenced by the iterator
* _Position. We can erase the element if the _Position iterator is
* dereferenceable and references this sequence.
*/
#define __glibcxx_check_erase(_Position) \
_GLIBCXX_DEBUG_VERIFY(_Position._M_dereferenceable(), \
_M_message(__gnu_debug::__msg_erase_bad) \
._M_sequence(*this, "this") \
._M_iterator(_Position, #_Position)); \
_GLIBCXX_DEBUG_VERIFY(_Position._M_attached_to(this), \
_M_message(__gnu_debug::__msg_erase_different) \
._M_sequence(*this, "this") \
._M_iterator(_Position, #_Position))
/** Verify that we can erase the elements in the iterator range
* [_First, _Last). We can erase the elements if [_First, _Last) is a
* valid iterator range within this sequence.
*/
#define __glibcxx_check_erase_range(_First,_Last) \
__glibcxx_check_valid_range(_First,_Last); \
_GLIBCXX_DEBUG_VERIFY(_First._M_attached_to(this), \
_M_message(__gnu_debug::__msg_erase_different) \
._M_sequence(*this, "this") \
._M_iterator(_First, #_First) \
._M_iterator(_Last, #_Last))
// Verify that the subscript _N is less than the container's size.
#define __glibcxx_check_subscript(_N) \
_GLIBCXX_DEBUG_VERIFY(_N < this->size(), \
_M_message(__gnu_debug::__msg_subscript_oob) \
._M_sequence(*this, "this") \
._M_integer(_N, #_N) \
._M_integer(this->size(), "size"))
// Verify that the container is nonempty
#define __glibcxx_check_nonempty() \
_GLIBCXX_DEBUG_VERIFY(! this->empty(), \
_M_message(__gnu_debug::__msg_empty) \
._M_sequence(*this, "this"))
// Verify that the iterator range [_First, _Last) is sorted
#define __glibcxx_check_sorted(_First,_Last) \
__glibcxx_check_valid_range(_First,_Last); \
_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_sorted(_First, _Last), \
_M_message(__gnu_debug::__msg_unsorted) \
._M_iterator(_First, #_First) \
._M_iterator(_Last, #_Last))
/** Verify that the iterator range [_First, _Last) is sorted by the
predicate _Pred. */
#define __glibcxx_check_sorted_pred(_First,_Last,_Pred) \
__glibcxx_check_valid_range(_First,_Last); \
_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_sorted(_First, _Last, _Pred), \
_M_message(__gnu_debug::__msg_unsorted_pred) \
._M_iterator(_First, #_First) \
._M_iterator(_Last, #_Last) \
._M_string(#_Pred))
// Special variant for std::merge, std::includes, std::set_*
#define __glibcxx_check_sorted_set(_First1,_Last1,_First2) \
__glibcxx_check_valid_range(_First1,_Last1); \
_GLIBCXX_DEBUG_VERIFY( \
__gnu_debug::__check_sorted_set(_First1, _Last1, _First2), \
_M_message(__gnu_debug::__msg_unsorted) \
._M_iterator(_First1, #_First1) \
._M_iterator(_Last1, #_Last1))
// Likewise with a _Pred.
#define __glibcxx_check_sorted_set_pred(_First1,_Last1,_First2,_Pred) \
__glibcxx_check_valid_range(_First1,_Last1); \
_GLIBCXX_DEBUG_VERIFY( \
__gnu_debug::__check_sorted_set(_First1, _Last1, _First2, _Pred), \
_M_message(__gnu_debug::__msg_unsorted_pred) \
._M_iterator(_First1, #_First1) \
._M_iterator(_Last1, #_Last1) \
._M_string(#_Pred))
/** Verify that the iterator range [_First, _Last) is partitioned
w.r.t. the value _Value. */
#define __glibcxx_check_partitioned_lower(_First,_Last,_Value) \
__glibcxx_check_valid_range(_First,_Last); \
_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_lower(_First, _Last, \
_Value), \
_M_message(__gnu_debug::__msg_unpartitioned) \
._M_iterator(_First, #_First) \
._M_iterator(_Last, #_Last) \
._M_string(#_Value))
#define __glibcxx_check_partitioned_upper(_First,_Last,_Value) \
__glibcxx_check_valid_range(_First,_Last); \
_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_upper(_First, _Last, \
_Value), \
_M_message(__gnu_debug::__msg_unpartitioned) \
._M_iterator(_First, #_First) \
._M_iterator(_Last, #_Last) \
._M_string(#_Value))
/** Verify that the iterator range [_First, _Last) is partitioned
w.r.t. the value _Value and predicate _Pred. */
#define __glibcxx_check_partitioned_lower_pred(_First,_Last,_Value,_Pred) \
__glibcxx_check_valid_range(_First,_Last); \
_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_lower(_First, _Last, \
_Value, _Pred), \
_M_message(__gnu_debug::__msg_unpartitioned_pred) \
._M_iterator(_First, #_First) \
._M_iterator(_Last, #_Last) \
._M_string(#_Pred) \
._M_string(#_Value))
/** Verify that the iterator range [_First, _Last) is partitioned
w.r.t. the value _Value and predicate _Pred. */
#define __glibcxx_check_partitioned_upper_pred(_First,_Last,_Value,_Pred) \
__glibcxx_check_valid_range(_First,_Last); \
_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_upper(_First, _Last, \
_Value, _Pred), \
_M_message(__gnu_debug::__msg_unpartitioned_pred) \
._M_iterator(_First, #_First) \
._M_iterator(_Last, #_Last) \
._M_string(#_Pred) \
._M_string(#_Value))
// Verify that the iterator range [_First, _Last) is a heap
#define __glibcxx_check_heap(_First,_Last) \
__glibcxx_check_valid_range(_First,_Last); \
_GLIBCXX_DEBUG_VERIFY(std::__is_heap(_First, _Last), \
_M_message(__gnu_debug::__msg_not_heap) \
._M_iterator(_First, #_First) \
._M_iterator(_Last, #_Last))
/** Verify that the iterator range [_First, _Last) is a heap
w.r.t. the predicate _Pred. */
#define __glibcxx_check_heap_pred(_First,_Last,_Pred) \
__glibcxx_check_valid_range(_First,_Last); \
_GLIBCXX_DEBUG_VERIFY(std::__is_heap(_First, _Last, _Pred), \
_M_message(__gnu_debug::__msg_not_heap_pred) \
._M_iterator(_First, #_First) \
._M_iterator(_Last, #_Last) \
._M_string(#_Pred))
#ifdef _GLIBCXX_DEBUG_PEDANTIC
# define __glibcxx_check_string(_String) _GLIBCXX_DEBUG_ASSERT(_String != 0)
# define __glibcxx_check_string_len(_String,_Len) \
_GLIBCXX_DEBUG_ASSERT(_String != 0 || _Len == 0)
#else
# define __glibcxx_check_string(_String)
# define __glibcxx_check_string_len(_String,_Len)
#endif
#endif
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