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Howard Hinnant7a563db2011-09-14 18:33:511// -*- 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
Eric Fiselierb9536102014-08-10 23:53:0814#include <__config>
15
Howard Hinnant499cea12013-08-23 17:37:0516#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17#pragma GCC system_header
18#endif
19
Howard Hinnantabe26282011-09-16 17:29:1720#if _LIBCPP_DEBUG_LEVEL >= 1
Howard Hinnant7a563db2011-09-14 18:33:5121# include <cstdlib>
22# include <cstdio>
23# include <cstddef>
Howard Hinnantf5f46842013-03-25 19:29:3524# ifndef _LIBCPP_ASSERT
Ed Schoutene5a356a2015-03-10 07:57:4325# define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : (_VSTD::fprintf(stderr, "%s\n", m), _VSTD::abort()))
Howard Hinnantf5f46842013-03-25 19:29:3526# endif
Eric Fiselierb9536102014-08-10 23:53:0827#endif
Howard Hinnant7a563db2011-09-14 18:33:5128
Eric Fiselierb9536102014-08-10 23:53:0829#ifndef _LIBCPP_ASSERT
30# define _LIBCPP_ASSERT(x, m) ((void)0)
Howard Hinnantabe26282011-09-16 17:29:1731#endif
32
33#if _LIBCPP_DEBUG_LEVEL >= 2
34
Howard Hinnant7a563db2011-09-14 18:33:5135_LIBCPP_BEGIN_NAMESPACE_STD
36
Howard Hinnant83eade62013-03-06 23:30:1937struct _LIBCPP_TYPE_VIS __c_node;
Howard Hinnant7a563db2011-09-14 18:33:5138
Howard Hinnant83eade62013-03-06 23:30:1939struct _LIBCPP_TYPE_VIS __i_node
Howard Hinnant7a563db2011-09-14 18:33:5140{
41 void* __i_;
42 __i_node* __next_;
43 __c_node* __c_;
44
Howard Hinnant499cea12013-08-23 17:37:0545#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
Howard Hinnant7a563db2011-09-14 18:33:5146 __i_node(const __i_node&) = delete;
47 __i_node& operator=(const __i_node&) = delete;
Howard Hinnant499cea12013-08-23 17:37:0548#else
49private:
50 __i_node(const __i_node&);
51 __i_node& operator=(const __i_node&);
52public:
53#endif
Howard Hinnant7a563db2011-09-14 18:33:5154 _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
Howard Hinnant83eade62013-03-06 23:30:1960struct _LIBCPP_TYPE_VIS __c_node
Howard Hinnant7a563db2011-09-14 18:33:5161{
62 void* __c_;
63 __c_node* __next_;
64 __i_node** beg_;
65 __i_node** end_;
66 __i_node** cap_;
67
Howard Hinnant499cea12013-08-23 17:37:0568#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
Howard Hinnant7a563db2011-09-14 18:33:5169 __c_node(const __c_node&) = delete;
70 __c_node& operator=(const __c_node&) = delete;
Howard Hinnant499cea12013-08-23 17:37:0571#else
72private:
73 __c_node(const __c_node&);
74 __c_node& operator=(const __c_node&);
75public:
76#endif
Howard Hinnant7a563db2011-09-14 18:33:5177 _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
Howard Hinnant1c3ec6d2011-09-27 23:55:0387 void __add(__i_node* __i);
Howard Hinnant7a563db2011-09-14 18:33:5188 _LIBCPP_HIDDEN void __remove(__i_node* __i);
89};
90
91template <class _Cont>
92struct _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
104template <class _Cont>
105bool
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);
Howard Hinnant99968442011-11-29 18:15:50110 _Cont* _Cp = static_cast<_Cont*>(__c_);
111 return _Cp->__dereferenceable(__j);
Howard Hinnant7a563db2011-09-14 18:33:51112}
113
114template <class _Cont>
115bool
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);
Howard Hinnant99968442011-11-29 18:15:50120 _Cont* _Cp = static_cast<_Cont*>(__c_);
121 return _Cp->__decrementable(__j);
Howard Hinnant7a563db2011-09-14 18:33:51122}
123
124template <class _Cont>
125bool
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);
Howard Hinnant99968442011-11-29 18:15:50130 _Cont* _Cp = static_cast<_Cont*>(__c_);
131 return _Cp->__addable(__j, __n);
Howard Hinnant7a563db2011-09-14 18:33:51132}
133
134template <class _Cont>
135bool
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);
Howard Hinnant99968442011-11-29 18:15:50140 _Cont* _Cp = static_cast<_Cont*>(__c_);
141 return _Cp->__subscriptable(__j, __n);
Howard Hinnant7a563db2011-09-14 18:33:51142}
143
Howard Hinnant83eade62013-03-06 23:30:19144class _LIBCPP_TYPE_VIS __libcpp_db
Howard Hinnant7a563db2011-09-14 18:33:51145{
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();
154public:
Howard Hinnant499cea12013-08-23 17:37:05155#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
Howard Hinnant7a563db2011-09-14 18:33:51156 __libcpp_db(const __libcpp_db&) = delete;
157 __libcpp_db& operator=(const __libcpp_db&) = delete;
Howard Hinnant499cea12013-08-23 17:37:05158#else
159private:
160 __libcpp_db(const __libcpp_db&);
161 __libcpp_db& operator=(const __libcpp_db&);
162public:
163#endif
Howard Hinnant7a563db2011-09-14 18:33:51164 ~__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
Howard Hinnant7608b4a2011-09-16 19:52:23182 void __insert_i(void* __i);
Howard Hinnant7a563db2011-09-14 18:33:51183 __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;
Howard Hinnant1c3ec6d2011-09-27 23:55:03193 __c_node* __find_c(void* __c) const;
Howard Hinnant7a563db2011-09-14 18:33:51194 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;
Howard Hinnant8b00e6c2013-08-02 00:26:35203 bool __less_than_comparable(const void* __i, const void* __j) const;
Howard Hinnant7a563db2011-09-14 18:33:51204private:
205 _LIBCPP_HIDDEN
206 __i_node* __insert_iterator(void* __i);
207 _LIBCPP_HIDDEN
208 __i_node* __find_iterator(const void* __i) const;
209
Howard Hinnant83eade62013-03-06 23:30:19210 friend _LIBCPP_FUNC_VIS __libcpp_db* __get_db();
Howard Hinnant7a563db2011-09-14 18:33:51211};
212
Howard Hinnant83eade62013-03-06 23:30:19213_LIBCPP_FUNC_VIS __libcpp_db* __get_db();
214_LIBCPP_FUNC_VIS const __libcpp_db* __get_const_db();
Howard Hinnant7a563db2011-09-14 18:33:51215
216
217_LIBCPP_END_NAMESPACE_STD
218
Howard Hinnantabe26282011-09-16 17:29:17219#endif
220
Howard Hinnant7a563db2011-09-14 18:33:51221#endif // _LIBCPP_DEBUG_H
222