1// Debugging support implementation -*- C++ -*- 
2 
3// Copyright (C) 2003-2019 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