1    	// Debugging support implementation -*- C++ -*-
2    	
3    	// Copyright (C) 2003-2017 Free Software Foundation, Inc.
4    	//
5    	// This file is part of the GNU ISO C++ Library.  This library is free
6    	// software; you can redistribute it and/or modify it under the
7    	// terms of the GNU General Public License as published by the
8    	// Free Software Foundation; either version 3, or (at your option)
9    	// any later version.
10   	
11   	// This library is distributed in the hope that it will be useful,
12   	// but WITHOUT ANY WARRANTY; without even the implied warranty of
13   	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   	// GNU General Public License for more details.
15   	
16   	// Under Section 7 of GPL version 3, you are granted additional
17   	// permissions described in the GCC Runtime Library Exception, version
18   	// 3.1, as published by the Free Software Foundation.
19   	
20   	// You should have received a copy of the GNU General Public License and
21   	// a copy of the GCC Runtime Library Exception along with this program;
22   	// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23   	// <http://www.gnu.org/licenses/>.
24   	
25   	/** @file debug/assertions.h
26   	 *  This file is a GNU debug extension to the Standard C++ Library.
27   	 */
28   	
29   	#ifndef _GLIBCXX_DEBUG_ASSERTIONS_H
30   	#define _GLIBCXX_DEBUG_ASSERTIONS_H 1
31   	
32   	#ifndef _GLIBCXX_DEBUG
33   	
34   	# define _GLIBCXX_DEBUG_ASSERT(_Condition)
35   	# define _GLIBCXX_DEBUG_PEDASSERT(_Condition)
36   	# define _GLIBCXX_DEBUG_ONLY(_Statement)
37   	
38   	#endif
39   	
40   	#ifndef _GLIBCXX_ASSERTIONS
41   	# define __glibcxx_requires_non_empty_range(_First,_Last)
42   	# define __glibcxx_requires_nonempty()
43   	# define __glibcxx_requires_subscript(_N)
44   	#else
45   	
46   	// Verify that [_First, _Last) forms a non-empty iterator range.
47   	# define __glibcxx_requires_non_empty_range(_First,_Last)	\
48   	  __glibcxx_assert(__builtin_expect(_First != _Last, true))
49   	# define __glibcxx_requires_subscript(_N)	\
50   	  __glibcxx_assert(__builtin_expect(_N < this->size(), true))
51   	// Verify that the container is nonempty
52   	# define __glibcxx_requires_nonempty()		\
53   	  __glibcxx_assert(__builtin_expect(!this->empty(), true))
54   	#endif
55   	
56   	#ifdef _GLIBCXX_DEBUG
57   	# define _GLIBCXX_DEBUG_ASSERT(_Condition) __glibcxx_assert(_Condition)
58   	
59   	# ifdef _GLIBCXX_DEBUG_PEDANTIC
60   	#  define _GLIBCXX_DEBUG_PEDASSERT(_Condition) _GLIBCXX_DEBUG_ASSERT(_Condition)
61   	# else
62   	#  define _GLIBCXX_DEBUG_PEDASSERT(_Condition)
63   	# endif
64   	
65   	# define _GLIBCXX_DEBUG_ONLY(_Statement) _Statement
66   	#endif
67   	
68   	#endif // _GLIBCXX_DEBUG_ASSERTIONS
69