1 // Debugging support implementation -*- C++ -*- 2 3 // Copyright (C) 2003-2018 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