Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===--------------------------- __debug ----------------------------------===// |
| 3 | // |
Chandler Carruth | d201210 | 2019-01-19 10:56:40 +0000 | [diff] [blame] | 4 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 5 | // See https://llvm.org/LICENSE.txt for license information. |
| 6 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #ifndef _LIBCPP_DEBUG_H |
| 11 | #define _LIBCPP_DEBUG_H |
| 12 | |
Eric Fiselier | 14b6de9 | 2014-08-10 23:53:08 +0000 | [diff] [blame] | 13 | #include <__config> |
Eric Fiselier | 873b8d3 | 2019-03-18 21:50:12 +0000 | [diff] [blame^] | 14 | #include <iosfwd> |
Eric Fiselier | 14b6de9 | 2014-08-10 23:53:08 +0000 | [diff] [blame] | 15 | |
Howard Hinnant | 8ea9824 | 2013-08-23 17:37:05 +0000 | [diff] [blame] | 16 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 17 | #pragma GCC system_header |
| 18 | #endif |
| 19 | |
Eric Fiselier | 02e6fbc | 2016-12-28 06:15:01 +0000 | [diff] [blame] | 20 | #if defined(_LIBCPP_HAS_NO_NULLPTR) |
| 21 | # include <cstddef> |
| 22 | #endif |
| 23 | |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 24 | #if _LIBCPP_DEBUG_LEVEL >= 1 || defined(_LIBCPP_BUILDING_LIBRARY) |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 25 | # include <cstdlib> |
| 26 | # include <cstdio> |
| 27 | # include <cstddef> |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 28 | #endif |
| 29 | |
| 30 | #if _LIBCPP_DEBUG_LEVEL >= 1 && !defined(_LIBCPP_ASSERT) |
| 31 | # define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : \ |
Eric Fiselier | 3253fff | 2016-12-28 05:26:56 +0000 | [diff] [blame] | 32 | _VSTD::__libcpp_debug_function(_VSTD::__libcpp_debug_info(__FILE__, __LINE__, #x, m))) |
Eric Fiselier | 14b6de9 | 2014-08-10 23:53:08 +0000 | [diff] [blame] | 33 | #endif |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 34 | |
Eric Fiselier | d8f24a4 | 2016-07-23 20:36:55 +0000 | [diff] [blame] | 35 | #if _LIBCPP_DEBUG_LEVEL >= 2 |
| 36 | #ifndef _LIBCPP_DEBUG_ASSERT |
| 37 | #define _LIBCPP_DEBUG_ASSERT(x, m) _LIBCPP_ASSERT(x, m) |
| 38 | #endif |
| 39 | #define _LIBCPP_DEBUG_MODE(...) __VA_ARGS__ |
| 40 | #endif |
| 41 | |
Eric Fiselier | 14b6de9 | 2014-08-10 23:53:08 +0000 | [diff] [blame] | 42 | #ifndef _LIBCPP_ASSERT |
| 43 | # define _LIBCPP_ASSERT(x, m) ((void)0) |
Howard Hinnant | a47c6d5 | 2011-09-16 17:29:17 +0000 | [diff] [blame] | 44 | #endif |
Eric Fiselier | d8f24a4 | 2016-07-23 20:36:55 +0000 | [diff] [blame] | 45 | #ifndef _LIBCPP_DEBUG_ASSERT |
| 46 | # define _LIBCPP_DEBUG_ASSERT(x, m) ((void)0) |
| 47 | #endif |
| 48 | #ifndef _LIBCPP_DEBUG_MODE |
| 49 | #define _LIBCPP_DEBUG_MODE(...) ((void)0) |
| 50 | #endif |
Howard Hinnant | a47c6d5 | 2011-09-16 17:29:17 +0000 | [diff] [blame] | 51 | |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 52 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 53 | |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 54 | struct _LIBCPP_TEMPLATE_VIS __libcpp_debug_info { |
Eric Fiselier | 3253fff | 2016-12-28 05:26:56 +0000 | [diff] [blame] | 55 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
Eric Fiselier | 30ee693 | 2016-12-28 05:56:16 +0000 | [diff] [blame] | 56 | __libcpp_debug_info() |
| 57 | : __file_(nullptr), __line_(-1), __pred_(nullptr), __msg_(nullptr) {} |
| 58 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
Eric Fiselier | 3253fff | 2016-12-28 05:26:56 +0000 | [diff] [blame] | 59 | __libcpp_debug_info(const char* __f, int __l, const char* __p, const char* __m) |
| 60 | : __file_(__f), __line_(__l), __pred_(__p), __msg_(__m) {} |
Eric Fiselier | 873b8d3 | 2019-03-18 21:50:12 +0000 | [diff] [blame^] | 61 | |
| 62 | _LIBCPP_FUNC_VIS std::string what() const; |
| 63 | |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 64 | const char* __file_; |
| 65 | int __line_; |
| 66 | const char* __pred_; |
| 67 | const char* __msg_; |
| 68 | }; |
| 69 | |
| 70 | /// __libcpp_debug_function_type - The type of the assertion failure handler. |
| 71 | typedef void(*__libcpp_debug_function_type)(__libcpp_debug_info const&); |
| 72 | |
| 73 | /// __libcpp_debug_function - The handler function called when a _LIBCPP_ASSERT |
| 74 | /// fails. |
Louis Dionne | 5254b37 | 2018-10-25 12:13:43 +0000 | [diff] [blame] | 75 | extern _LIBCPP_EXPORTED_FROM_ABI __libcpp_debug_function_type __libcpp_debug_function; |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 76 | |
| 77 | /// __libcpp_abort_debug_function - A debug handler that aborts when called. |
| 78 | _LIBCPP_NORETURN _LIBCPP_FUNC_VIS |
| 79 | void __libcpp_abort_debug_function(__libcpp_debug_info const&); |
| 80 | |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 81 | /// __libcpp_set_debug_function - Set the debug handler to the specified |
| 82 | /// function. |
| 83 | _LIBCPP_FUNC_VIS |
| 84 | bool __libcpp_set_debug_function(__libcpp_debug_function_type __func); |
| 85 | |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 86 | #if _LIBCPP_DEBUG_LEVEL >= 2 || defined(_LIBCPP_BUILDING_LIBRARY) |
| 87 | |
Howard Hinnant | 8331b76 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 88 | struct _LIBCPP_TYPE_VIS __c_node; |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 89 | |
Howard Hinnant | 8331b76 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 90 | struct _LIBCPP_TYPE_VIS __i_node |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 91 | { |
| 92 | void* __i_; |
| 93 | __i_node* __next_; |
| 94 | __c_node* __c_; |
| 95 | |
Eric Fiselier | 2d8515f | 2017-01-06 20:58:25 +0000 | [diff] [blame] | 96 | #ifndef _LIBCPP_CXX03_LANG |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 97 | __i_node(const __i_node&) = delete; |
| 98 | __i_node& operator=(const __i_node&) = delete; |
Howard Hinnant | 8ea9824 | 2013-08-23 17:37:05 +0000 | [diff] [blame] | 99 | #else |
| 100 | private: |
| 101 | __i_node(const __i_node&); |
| 102 | __i_node& operator=(const __i_node&); |
| 103 | public: |
| 104 | #endif |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 105 | _LIBCPP_INLINE_VISIBILITY |
| 106 | __i_node(void* __i, __i_node* __next, __c_node* __c) |
| 107 | : __i_(__i), __next_(__next), __c_(__c) {} |
| 108 | ~__i_node(); |
| 109 | }; |
| 110 | |
Howard Hinnant | 8331b76 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 111 | struct _LIBCPP_TYPE_VIS __c_node |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 112 | { |
| 113 | void* __c_; |
| 114 | __c_node* __next_; |
| 115 | __i_node** beg_; |
| 116 | __i_node** end_; |
| 117 | __i_node** cap_; |
| 118 | |
Eric Fiselier | 2d8515f | 2017-01-06 20:58:25 +0000 | [diff] [blame] | 119 | #ifndef _LIBCPP_CXX03_LANG |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 120 | __c_node(const __c_node&) = delete; |
| 121 | __c_node& operator=(const __c_node&) = delete; |
Howard Hinnant | 8ea9824 | 2013-08-23 17:37:05 +0000 | [diff] [blame] | 122 | #else |
| 123 | private: |
| 124 | __c_node(const __c_node&); |
| 125 | __c_node& operator=(const __c_node&); |
| 126 | public: |
| 127 | #endif |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 128 | _LIBCPP_INLINE_VISIBILITY |
| 129 | __c_node(void* __c, __c_node* __next) |
| 130 | : __c_(__c), __next_(__next), beg_(nullptr), end_(nullptr), cap_(nullptr) {} |
| 131 | virtual ~__c_node(); |
| 132 | |
| 133 | virtual bool __dereferenceable(const void*) const = 0; |
| 134 | virtual bool __decrementable(const void*) const = 0; |
| 135 | virtual bool __addable(const void*, ptrdiff_t) const = 0; |
| 136 | virtual bool __subscriptable(const void*, ptrdiff_t) const = 0; |
| 137 | |
Howard Hinnant | b399c60 | 2011-09-27 23:55:03 +0000 | [diff] [blame] | 138 | void __add(__i_node* __i); |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 139 | _LIBCPP_HIDDEN void __remove(__i_node* __i); |
| 140 | }; |
| 141 | |
| 142 | template <class _Cont> |
| 143 | struct _C_node |
| 144 | : public __c_node |
| 145 | { |
| 146 | _C_node(void* __c, __c_node* __n) |
| 147 | : __c_node(__c, __n) {} |
| 148 | |
| 149 | virtual bool __dereferenceable(const void*) const; |
| 150 | virtual bool __decrementable(const void*) const; |
| 151 | virtual bool __addable(const void*, ptrdiff_t) const; |
| 152 | virtual bool __subscriptable(const void*, ptrdiff_t) const; |
| 153 | }; |
| 154 | |
| 155 | template <class _Cont> |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 156 | inline bool |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 157 | _C_node<_Cont>::__dereferenceable(const void* __i) const |
| 158 | { |
| 159 | typedef typename _Cont::const_iterator iterator; |
| 160 | const iterator* __j = static_cast<const iterator*>(__i); |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 161 | _Cont* _Cp = static_cast<_Cont*>(__c_); |
| 162 | return _Cp->__dereferenceable(__j); |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | template <class _Cont> |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 166 | inline bool |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 167 | _C_node<_Cont>::__decrementable(const void* __i) const |
| 168 | { |
| 169 | typedef typename _Cont::const_iterator iterator; |
| 170 | const iterator* __j = static_cast<const iterator*>(__i); |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 171 | _Cont* _Cp = static_cast<_Cont*>(__c_); |
| 172 | return _Cp->__decrementable(__j); |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | template <class _Cont> |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 176 | inline bool |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 177 | _C_node<_Cont>::__addable(const void* __i, ptrdiff_t __n) const |
| 178 | { |
| 179 | typedef typename _Cont::const_iterator iterator; |
| 180 | const iterator* __j = static_cast<const iterator*>(__i); |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 181 | _Cont* _Cp = static_cast<_Cont*>(__c_); |
| 182 | return _Cp->__addable(__j, __n); |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 183 | } |
| 184 | |
| 185 | template <class _Cont> |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 186 | inline bool |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 187 | _C_node<_Cont>::__subscriptable(const void* __i, ptrdiff_t __n) const |
| 188 | { |
| 189 | typedef typename _Cont::const_iterator iterator; |
| 190 | const iterator* __j = static_cast<const iterator*>(__i); |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 191 | _Cont* _Cp = static_cast<_Cont*>(__c_); |
| 192 | return _Cp->__subscriptable(__j, __n); |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 193 | } |
| 194 | |
Howard Hinnant | 8331b76 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 195 | class _LIBCPP_TYPE_VIS __libcpp_db |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 196 | { |
| 197 | __c_node** __cbeg_; |
| 198 | __c_node** __cend_; |
| 199 | size_t __csz_; |
| 200 | __i_node** __ibeg_; |
| 201 | __i_node** __iend_; |
| 202 | size_t __isz_; |
| 203 | |
| 204 | __libcpp_db(); |
| 205 | public: |
Eric Fiselier | 2d8515f | 2017-01-06 20:58:25 +0000 | [diff] [blame] | 206 | #ifndef _LIBCPP_CXX03_LANG |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 207 | __libcpp_db(const __libcpp_db&) = delete; |
| 208 | __libcpp_db& operator=(const __libcpp_db&) = delete; |
Howard Hinnant | 8ea9824 | 2013-08-23 17:37:05 +0000 | [diff] [blame] | 209 | #else |
| 210 | private: |
| 211 | __libcpp_db(const __libcpp_db&); |
| 212 | __libcpp_db& operator=(const __libcpp_db&); |
| 213 | public: |
| 214 | #endif |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 215 | ~__libcpp_db(); |
| 216 | |
| 217 | class __db_c_iterator; |
| 218 | class __db_c_const_iterator; |
| 219 | class __db_i_iterator; |
| 220 | class __db_i_const_iterator; |
| 221 | |
| 222 | __db_c_const_iterator __c_end() const; |
| 223 | __db_i_const_iterator __i_end() const; |
| 224 | |
Eric Fiselier | aed4eab | 2019-03-05 02:10:31 +0000 | [diff] [blame] | 225 | typedef __c_node*(_InsertConstruct)(void*, void*, __c_node*); |
| 226 | |
| 227 | template <class _Cont> |
| 228 | _LIBCPP_INLINE_VISIBILITY static __c_node* __create_C_node(void *__mem, void *__c, __c_node *__next) { |
| 229 | return ::new(__mem) _C_node<_Cont>(__c, __next); |
| 230 | } |
| 231 | |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 232 | template <class _Cont> |
| 233 | _LIBCPP_INLINE_VISIBILITY |
| 234 | void __insert_c(_Cont* __c) |
| 235 | { |
Eric Fiselier | aed4eab | 2019-03-05 02:10:31 +0000 | [diff] [blame] | 236 | __insert_c(static_cast<void*>(__c), &__create_C_node<_Cont>); |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 237 | } |
| 238 | |
Howard Hinnant | c90aa63 | 2011-09-16 19:52:23 +0000 | [diff] [blame] | 239 | void __insert_i(void* __i); |
Eric Fiselier | aed4eab | 2019-03-05 02:10:31 +0000 | [diff] [blame] | 240 | void __insert_c(void* __c, _InsertConstruct* __fn); |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 241 | void __erase_c(void* __c); |
| 242 | |
| 243 | void __insert_ic(void* __i, const void* __c); |
| 244 | void __iterator_copy(void* __i, const void* __i0); |
| 245 | void __erase_i(void* __i); |
| 246 | |
| 247 | void* __find_c_from_i(void* __i) const; |
| 248 | void __invalidate_all(void* __c); |
| 249 | __c_node* __find_c_and_lock(void* __c) const; |
Howard Hinnant | b399c60 | 2011-09-27 23:55:03 +0000 | [diff] [blame] | 250 | __c_node* __find_c(void* __c) const; |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 251 | void unlock() const; |
| 252 | |
| 253 | void swap(void* __c1, void* __c2); |
| 254 | |
| 255 | |
| 256 | bool __dereferenceable(const void* __i) const; |
| 257 | bool __decrementable(const void* __i) const; |
| 258 | bool __addable(const void* __i, ptrdiff_t __n) const; |
| 259 | bool __subscriptable(const void* __i, ptrdiff_t __n) const; |
Howard Hinnant | e6ff0b6 | 2013-08-02 00:26:35 +0000 | [diff] [blame] | 260 | bool __less_than_comparable(const void* __i, const void* __j) const; |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 261 | private: |
| 262 | _LIBCPP_HIDDEN |
| 263 | __i_node* __insert_iterator(void* __i); |
| 264 | _LIBCPP_HIDDEN |
| 265 | __i_node* __find_iterator(const void* __i) const; |
| 266 | |
Howard Hinnant | 8331b76 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 267 | friend _LIBCPP_FUNC_VIS __libcpp_db* __get_db(); |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 268 | }; |
| 269 | |
Howard Hinnant | 8331b76 | 2013-03-06 23:30:19 +0000 | [diff] [blame] | 270 | _LIBCPP_FUNC_VIS __libcpp_db* __get_db(); |
| 271 | _LIBCPP_FUNC_VIS const __libcpp_db* __get_const_db(); |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 272 | |
| 273 | |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 274 | #endif // _LIBCPP_DEBUG_LEVEL >= 2 || defined(_LIBCPP_BUILDING_LIBRARY) |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 275 | |
Eric Fiselier | fb82543 | 2016-12-28 04:58:52 +0000 | [diff] [blame] | 276 | _LIBCPP_END_NAMESPACE_STD |
Howard Hinnant | a47c6d5 | 2011-09-16 17:29:17 +0000 | [diff] [blame] | 277 | |
Howard Hinnant | 27e0e77 | 2011-09-14 18:33:51 +0000 | [diff] [blame] | 278 | #endif // _LIBCPP_DEBUG_H |
| 279 | |