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 14 #include <__config> 15 16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17 #pragma GCC system_header 18 #endif 19 20 #if _LIBCPP_DEBUG_LEVEL >= 1 21 # include <cstdlib> 22 # include <cstdio> 23 # include <cstddef> 24 # ifndef _LIBCPP_ASSERT 25 # define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : (_VSTD::fprintf(stderr, "%s\n", m), _VSTD::abort())) 26 # endif 27 #endif 28 29 #ifndef _LIBCPP_ASSERT 30 # define _LIBCPP_ASSERT(x, m) ((void)0) 31 #endif 32 33 #if _LIBCPP_DEBUG_LEVEL >= 2 34 35 _LIBCPP_BEGIN_NAMESPACE_STD 36 37 struct _LIBCPP_TYPE_VIS __c_node; 38 39 struct _LIBCPP_TYPE_VIS __i_node 40 { 41 void* __i_; 42 __i_node* __next_; 43 __c_node* __c_; 44 45 #ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS 46 __i_node(const __i_node&) = delete; 47 __i_node& operator=(const __i_node&) = delete; 48 #else 49 private: 50 __i_node(const __i_node&); 51 __i_node& operator=(const __i_node&); 52 public: 53 #endif 54 _LIBCPP_INLINE_VISIBILITY 55 __i_node(void* __i, __i_node* __next, __c_node* __c) 56 : __i_(__i), __next_(__next), __c_(__c) {} 57 ~__i_node(); 58 }; 59 60 struct _LIBCPP_TYPE_VIS __c_node 61 { 62 void* __c_; 63 __c_node* __next_; 64 __i_node** beg_; 65 __i_node** end_; 66 __i_node** cap_; 67 68 #ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS 69 __c_node(const __c_node&) = delete; 70 __c_node& operator=(const __c_node&) = delete; 71 #else 72 private: 73 __c_node(const __c_node&); 74 __c_node& operator=(const __c_node&); 75 public: 76 #endif 77 _LIBCPP_INLINE_VISIBILITY 78 __c_node(void* __c, __c_node* __next) 79 : __c_(__c), __next_(__next), beg_(nullptr), end_(nullptr), cap_(nullptr) {} 80 virtual ~__c_node(); 81 82 virtual bool __dereferenceable(const void*) const = 0; 83 virtual bool __decrementable(const void*) const = 0; 84 virtual bool __addable(const void*, ptrdiff_t) const = 0; 85 virtual bool __subscriptable(const void*, ptrdiff_t) const = 0; 86 87 void __add(__i_node* __i); 88 _LIBCPP_HIDDEN void __remove(__i_node* __i); 89 }; 90 91 template <class _Cont> 92 struct _C_node 93 : public __c_node 94 { 95 _C_node(void* __c, __c_node* __n) 96 : __c_node(__c, __n) {} 97 98 virtual bool __dereferenceable(const void*) const; 99 virtual bool __decrementable(const void*) const; 100 virtual bool __addable(const void*, ptrdiff_t) const; 101 virtual bool __subscriptable(const void*, ptrdiff_t) const; 102 }; 103 104 template <class _Cont> 105 bool 106 _C_node<_Cont>::__dereferenceable(const void* __i) const 107 { 108 typedef typename _Cont::const_iterator iterator; 109 const iterator* __j = static_cast<const iterator*>(__i); 110 _Cont* _Cp = static_cast<_Cont*>(__c_); 111 return _Cp->__dereferenceable(__j); 112 } 113 114 template <class _Cont> 115 bool 116 _C_node<_Cont>::__decrementable(const void* __i) const 117 { 118 typedef typename _Cont::const_iterator iterator; 119 const iterator* __j = static_cast<const iterator*>(__i); 120 _Cont* _Cp = static_cast<_Cont*>(__c_); 121 return _Cp->__decrementable(__j); 122 } 123 124 template <class _Cont> 125 bool 126 _C_node<_Cont>::__addable(const void* __i, ptrdiff_t __n) const 127 { 128 typedef typename _Cont::const_iterator iterator; 129 const iterator* __j = static_cast<const iterator*>(__i); 130 _Cont* _Cp = static_cast<_Cont*>(__c_); 131 return _Cp->__addable(__j, __n); 132 } 133 134 template <class _Cont> 135 bool 136 _C_node<_Cont>::__subscriptable(const void* __i, ptrdiff_t __n) const 137 { 138 typedef typename _Cont::const_iterator iterator; 139 const iterator* __j = static_cast<const iterator*>(__i); 140 _Cont* _Cp = static_cast<_Cont*>(__c_); 141 return _Cp->__subscriptable(__j, __n); 142 } 143 144 class _LIBCPP_TYPE_VIS __libcpp_db 145 { 146 __c_node** __cbeg_; 147 __c_node** __cend_; 148 size_t __csz_; 149 __i_node** __ibeg_; 150 __i_node** __iend_; 151 size_t __isz_; 152 153 __libcpp_db(); 154 public: 155 #ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS 156 __libcpp_db(const __libcpp_db&) = delete; 157 __libcpp_db& operator=(const __libcpp_db&) = delete; 158 #else 159 private: 160 __libcpp_db(const __libcpp_db&); 161 __libcpp_db& operator=(const __libcpp_db&); 162 public: 163 #endif 164 ~__libcpp_db(); 165 166 class __db_c_iterator; 167 class __db_c_const_iterator; 168 class __db_i_iterator; 169 class __db_i_const_iterator; 170 171 __db_c_const_iterator __c_end() const; 172 __db_i_const_iterator __i_end() const; 173 174 template <class _Cont> 175 _LIBCPP_INLINE_VISIBILITY 176 void __insert_c(_Cont* __c) 177 { 178 __c_node* __n = __insert_c(static_cast<void*>(__c)); 179 ::new(__n) _C_node<_Cont>(__n->__c_, __n->__next_); 180 } 181 182 void __insert_i(void* __i); 183 __c_node* __insert_c(void* __c); 184 void __erase_c(void* __c); 185 186 void __insert_ic(void* __i, const void* __c); 187 void __iterator_copy(void* __i, const void* __i0); 188 void __erase_i(void* __i); 189 190 void* __find_c_from_i(void* __i) const; 191 void __invalidate_all(void* __c); 192 __c_node* __find_c_and_lock(void* __c) const; 193 __c_node* __find_c(void* __c) const; 194 void unlock() const; 195 196 void swap(void* __c1, void* __c2); 197 198 199 bool __dereferenceable(const void* __i) const; 200 bool __decrementable(const void* __i) const; 201 bool __addable(const void* __i, ptrdiff_t __n) const; 202 bool __subscriptable(const void* __i, ptrdiff_t __n) const; 203 bool __less_than_comparable(const void* __i, const void* __j) const; 204 private: 205 _LIBCPP_HIDDEN 206 __i_node* __insert_iterator(void* __i); 207 _LIBCPP_HIDDEN 208 __i_node* __find_iterator(const void* __i) const; 209 210 friend _LIBCPP_FUNC_VIS __libcpp_db* __get_db(); 211 }; 212 213 _LIBCPP_FUNC_VIS __libcpp_db* __get_db(); 214 _LIBCPP_FUNC_VIS const __libcpp_db* __get_const_db(); 215 216 217 _LIBCPP_END_NAMESPACE_STD 218 219 #endif 220 221 #endif // _LIBCPP_DEBUG_H 222 223
