Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===--------------------------- __debug ----------------------------------===// |
| 3 | // |
| 4 | // The LLVM Compiler Infrastructure |
| 5 | // |
| 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 | // Source Licenses. See LICENSE.TXT for details. |
| 8 | // |
| 9 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | #ifndef _LIBCPP_DEBUG_H |
| 12 | #define _LIBCPP_DEBUG_H |
| 13 | |
Howard Hinnant | abe2628 | 2011-09-16 17:29:17 +0000 | [diff] [blame] | 14 | #if _LIBCPP_DEBUG_LEVEL >= 1 |
| 15 | |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 16 | # include <cstdlib> |
| 17 | # include <cstdio> |
| 18 | # include <cstddef> |
| 19 | # define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : (_VSTD::printf("%s\n", m), _VSTD::abort())) |
| 20 | |
Howard Hinnant | abe2628 | 2011-09-16 17:29:17 +0000 | [diff] [blame] | 21 | #endif |
| 22 | |
| 23 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 24 | |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 25 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 26 | |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame^] | 27 | struct _LIBCPP_TYPE_VIS __c_node; |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 28 | |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame^] | 29 | struct _LIBCPP_TYPE_VIS __i_node |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 30 | { |
| 31 | void* __i_; |
| 32 | __i_node* __next_; |
| 33 | __c_node* __c_; |
| 34 | |
| 35 | __i_node(const __i_node&) = delete; |
| 36 | __i_node& operator=(const __i_node&) = delete; |
| 37 | _LIBCPP_INLINE_VISIBILITY |
| 38 | __i_node(void* __i, __i_node* __next, __c_node* __c) |
| 39 | : __i_(__i), __next_(__next), __c_(__c) {} |
| 40 | ~__i_node(); |
| 41 | }; |
| 42 | |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame^] | 43 | struct _LIBCPP_TYPE_VIS __c_node |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 44 | { |
| 45 | void* __c_; |
| 46 | __c_node* __next_; |
| 47 | __i_node** beg_; |
| 48 | __i_node** end_; |
| 49 | __i_node** cap_; |
| 50 | |
| 51 | __c_node(const __c_node&) = delete; |
| 52 | __c_node& operator=(const __c_node&) = delete; |
| 53 | _LIBCPP_INLINE_VISIBILITY |
| 54 | __c_node(void* __c, __c_node* __next) |
| 55 | : __c_(__c), __next_(__next), beg_(nullptr), end_(nullptr), cap_(nullptr) {} |
| 56 | virtual ~__c_node(); |
| 57 | |
| 58 | virtual bool __dereferenceable(const void*) const = 0; |
| 59 | virtual bool __decrementable(const void*) const = 0; |
| 60 | virtual bool __addable(const void*, ptrdiff_t) const = 0; |
| 61 | virtual bool __subscriptable(const void*, ptrdiff_t) const = 0; |
| 62 | |
Howard Hinnant | 1c3ec6d | 2011-09-27 23:55:03 +0000 | [diff] [blame] | 63 | void __add(__i_node* __i); |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 64 | _LIBCPP_HIDDEN void __remove(__i_node* __i); |
| 65 | }; |
| 66 | |
| 67 | template <class _Cont> |
| 68 | struct _C_node |
| 69 | : public __c_node |
| 70 | { |
| 71 | _C_node(void* __c, __c_node* __n) |
| 72 | : __c_node(__c, __n) {} |
| 73 | |
| 74 | virtual bool __dereferenceable(const void*) const; |
| 75 | virtual bool __decrementable(const void*) const; |
| 76 | virtual bool __addable(const void*, ptrdiff_t) const; |
| 77 | virtual bool __subscriptable(const void*, ptrdiff_t) const; |
| 78 | }; |
| 79 | |
| 80 | template <class _Cont> |
| 81 | bool |
| 82 | _C_node<_Cont>::__dereferenceable(const void* __i) const |
| 83 | { |
| 84 | typedef typename _Cont::const_iterator iterator; |
| 85 | const iterator* __j = static_cast<const iterator*>(__i); |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 86 | _Cont* _Cp = static_cast<_Cont*>(__c_); |
| 87 | return _Cp->__dereferenceable(__j); |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 88 | } |
| 89 | |
| 90 | template <class _Cont> |
| 91 | bool |
| 92 | _C_node<_Cont>::__decrementable(const void* __i) const |
| 93 | { |
| 94 | typedef typename _Cont::const_iterator iterator; |
| 95 | const iterator* __j = static_cast<const iterator*>(__i); |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 96 | _Cont* _Cp = static_cast<_Cont*>(__c_); |
| 97 | return _Cp->__decrementable(__j); |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | template <class _Cont> |
| 101 | bool |
| 102 | _C_node<_Cont>::__addable(const void* __i, ptrdiff_t __n) const |
| 103 | { |
| 104 | typedef typename _Cont::const_iterator iterator; |
| 105 | const iterator* __j = static_cast<const iterator*>(__i); |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 106 | _Cont* _Cp = static_cast<_Cont*>(__c_); |
| 107 | return _Cp->__addable(__j, __n); |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | template <class _Cont> |
| 111 | bool |
| 112 | _C_node<_Cont>::__subscriptable(const void* __i, ptrdiff_t __n) const |
| 113 | { |
| 114 | typedef typename _Cont::const_iterator iterator; |
| 115 | const iterator* __j = static_cast<const iterator*>(__i); |
Howard Hinnant | 9996844 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 116 | _Cont* _Cp = static_cast<_Cont*>(__c_); |
| 117 | return _Cp->__subscriptable(__j, __n); |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 118 | } |
| 119 | |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame^] | 120 | class _LIBCPP_TYPE_VIS __libcpp_db |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 121 | { |
| 122 | __c_node** __cbeg_; |
| 123 | __c_node** __cend_; |
| 124 | size_t __csz_; |
| 125 | __i_node** __ibeg_; |
| 126 | __i_node** __iend_; |
| 127 | size_t __isz_; |
| 128 | |
| 129 | __libcpp_db(); |
| 130 | public: |
| 131 | __libcpp_db(const __libcpp_db&) = delete; |
| 132 | __libcpp_db& operator=(const __libcpp_db&) = delete; |
| 133 | ~__libcpp_db(); |
| 134 | |
| 135 | class __db_c_iterator; |
| 136 | class __db_c_const_iterator; |
| 137 | class __db_i_iterator; |
| 138 | class __db_i_const_iterator; |
| 139 | |
| 140 | __db_c_const_iterator __c_end() const; |
| 141 | __db_i_const_iterator __i_end() const; |
| 142 | |
| 143 | template <class _Cont> |
| 144 | _LIBCPP_INLINE_VISIBILITY |
| 145 | void __insert_c(_Cont* __c) |
| 146 | { |
| 147 | __c_node* __n = __insert_c(static_cast<void*>(__c)); |
| 148 | ::new(__n) _C_node<_Cont>(__n->__c_, __n->__next_); |
| 149 | } |
| 150 | |
Howard Hinnant | 7608b4a | 2011-09-16 19:52:23 +0000 | [diff] [blame] | 151 | void __insert_i(void* __i); |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 152 | __c_node* __insert_c(void* __c); |
| 153 | void __erase_c(void* __c); |
| 154 | |
| 155 | void __insert_ic(void* __i, const void* __c); |
| 156 | void __iterator_copy(void* __i, const void* __i0); |
| 157 | void __erase_i(void* __i); |
| 158 | |
| 159 | void* __find_c_from_i(void* __i) const; |
| 160 | void __invalidate_all(void* __c); |
| 161 | __c_node* __find_c_and_lock(void* __c) const; |
Howard Hinnant | 1c3ec6d | 2011-09-27 23:55:03 +0000 | [diff] [blame] | 162 | __c_node* __find_c(void* __c) const; |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 163 | void unlock() const; |
| 164 | |
| 165 | void swap(void* __c1, void* __c2); |
| 166 | |
| 167 | |
| 168 | bool __dereferenceable(const void* __i) const; |
| 169 | bool __decrementable(const void* __i) const; |
| 170 | bool __addable(const void* __i, ptrdiff_t __n) const; |
| 171 | bool __subscriptable(const void* __i, ptrdiff_t __n) const; |
| 172 | bool __comparable(const void* __i, const void* __j) const; |
| 173 | private: |
| 174 | _LIBCPP_HIDDEN |
| 175 | __i_node* __insert_iterator(void* __i); |
| 176 | _LIBCPP_HIDDEN |
| 177 | __i_node* __find_iterator(const void* __i) const; |
| 178 | |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame^] | 179 | friend _LIBCPP_FUNC_VIS __libcpp_db* __get_db(); |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 180 | }; |
| 181 | |
Howard Hinnant | 83eade6 | 2013-03-06 23:30:19 +0000 | [diff] [blame^] | 182 | _LIBCPP_FUNC_VIS __libcpp_db* __get_db(); |
| 183 | _LIBCPP_FUNC_VIS const __libcpp_db* __get_const_db(); |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 184 | |
| 185 | |
| 186 | _LIBCPP_END_NAMESPACE_STD |
| 187 | |
Howard Hinnant | abe2628 | 2011-09-16 17:29:17 +0000 | [diff] [blame] | 188 | #endif |
| 189 | |
Howard Hinnant | 7a563db | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 190 | #endif // _LIBCPP_DEBUG_H |
| 191 | |