__debug revision 262801 
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15#pragma GCC system_header
16#endif
17
18#if _LIBCPP_DEBUG_LEVEL >= 1
19
20#   include <cstdlib>
21#   include <cstdio>
22#   include <cstddef>
23#   ifndef _LIBCPP_ASSERT
24#      define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : (_VSTD::printf("%s\n", m), _VSTD::abort()))
25#   endif
26
27#endif
28
29#if _LIBCPP_DEBUG_LEVEL >= 2
30
31_LIBCPP_BEGIN_NAMESPACE_STD
32
33struct _LIBCPP_TYPE_VIS __c_node;
34
35struct _LIBCPP_TYPE_VIS __i_node
36{
37    void* __i_;
38    __i_node* __next_;
39    __c_node* __c_;
40
41#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
42    __i_node(const __i_node&) = delete;
43    __i_node& operator=(const __i_node&) = delete;
44#else
45private:
46    __i_node(const __i_node&);
47    __i_node& operator=(const __i_node&);
48public:
49#endif
50    _LIBCPP_INLINE_VISIBILITY
51    __i_node(void* __i, __i_node* __next, __c_node* __c)
52        : __i_(__i), __next_(__next), __c_(__c) {}
53    ~__i_node();
54};
55
56struct _LIBCPP_TYPE_VIS __c_node
57{
58    void* __c_;
59    __c_node* __next_;
60    __i_node** beg_;
61    __i_node** end_;
62    __i_node** cap_;
63
64#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
65    __c_node(const __c_node&) = delete;
66    __c_node& operator=(const __c_node&) = delete;
67#else
68private:
69    __c_node(const __c_node&);
70    __c_node& operator=(const __c_node&);
71public:
72#endif
73    _LIBCPP_INLINE_VISIBILITY
74    __c_node(void* __c, __c_node* __next)
75        : __c_(__c), __next_(__next), beg_(nullptr), end_(nullptr), cap_(nullptr) {}
76    virtual ~__c_node();
77
78    virtual bool __dereferenceable(const void*) const = 0;
79    virtual bool __decrementable(const void*) const = 0;
80    virtual bool __addable(const void*, ptrdiff_t) const = 0;
81    virtual bool __subscriptable(const void*, ptrdiff_t) const = 0;
82
83    void __add(__i_node* __i);
84    _LIBCPP_HIDDEN void __remove(__i_node* __i);
85};
86
87template <class _Cont>
88struct _C_node
89    : public __c_node
90{
91    _C_node(void* __c, __c_node* __n)
92        : __c_node(__c, __n) {}
93
94    virtual bool __dereferenceable(const void*) const;
95    virtual bool __decrementable(const void*) const;
96    virtual bool __addable(const void*, ptrdiff_t) const;
97    virtual bool __subscriptable(const void*, ptrdiff_t) const;
98};
99
100template <class _Cont>
101bool
102_C_node<_Cont>::__dereferenceable(const void* __i) const
103{
104    typedef typename _Cont::const_iterator iterator;
105    const iterator* __j = static_cast<const iterator*>(__i);
106    _Cont* _Cp = static_cast<_Cont*>(__c_);
107    return _Cp->__dereferenceable(__j);
108}
109
110template <class _Cont>
111bool
112_C_node<_Cont>::__decrementable(const void* __i) const
113{
114    typedef typename _Cont::const_iterator iterator;
115    const iterator* __j = static_cast<const iterator*>(__i);
116    _Cont* _Cp = static_cast<_Cont*>(__c_);
117    return _Cp->__decrementable(__j);
118}
119
120template <class _Cont>
121bool
122_C_node<_Cont>::__addable(const void* __i, ptrdiff_t __n) const
123{
124    typedef typename _Cont::const_iterator iterator;
125    const iterator* __j = static_cast<const iterator*>(__i);
126    _Cont* _Cp = static_cast<_Cont*>(__c_);
127    return _Cp->__addable(__j, __n);
128}
129
130template <class _Cont>
131bool
132_C_node<_Cont>::__subscriptable(const void* __i, ptrdiff_t __n) const
133{
134    typedef typename _Cont::const_iterator iterator;
135    const iterator* __j = static_cast<const iterator*>(__i);
136    _Cont* _Cp = static_cast<_Cont*>(__c_);
137    return _Cp->__subscriptable(__j, __n);
138}
139
140class _LIBCPP_TYPE_VIS __libcpp_db
141{
142    __c_node** __cbeg_;
143    __c_node** __cend_;
144    size_t   __csz_;
145    __i_node** __ibeg_;
146    __i_node** __iend_;
147    size_t   __isz_;
148
149    __libcpp_db();
150public:
151#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
152    __libcpp_db(const __libcpp_db&) = delete;
153    __libcpp_db& operator=(const __libcpp_db&) = delete;
154#else
155private:
156    __libcpp_db(const __libcpp_db&);
157    __libcpp_db& operator=(const __libcpp_db&);
158public:
159#endif
160    ~__libcpp_db();
161
162    class __db_c_iterator;
163    class __db_c_const_iterator;
164    class __db_i_iterator;
165    class __db_i_const_iterator;
166
167    __db_c_const_iterator __c_end() const;
168    __db_i_const_iterator __i_end() const;
169
170    template <class _Cont>
171    _LIBCPP_INLINE_VISIBILITY
172    void __insert_c(_Cont* __c)
173    {
174        __c_node* __n = __insert_c(static_cast<void*>(__c));
175        ::new(__n) _C_node<_Cont>(__n->__c_, __n->__next_);
176    }
177
178    void __insert_i(void* __i);
179    __c_node* __insert_c(void* __c);
180    void __erase_c(void* __c);
181
182    void __insert_ic(void* __i, const void* __c);
183    void __iterator_copy(void* __i, const void* __i0);
184    void __erase_i(void* __i);
185
186    void* __find_c_from_i(void* __i) const;
187    void __invalidate_all(void* __c);
188    __c_node* __find_c_and_lock(void* __c) const;
189    __c_node* __find_c(void* __c) const;
190    void unlock() const;
191
192    void swap(void* __c1, void* __c2);
193
194
195    bool __dereferenceable(const void* __i) const;
196    bool __decrementable(const void* __i) const;
197    bool __addable(const void* __i, ptrdiff_t __n) const;
198    bool __subscriptable(const void* __i, ptrdiff_t __n) const;
199    bool __less_than_comparable(const void* __i, const void* __j) const;
200private:
201    _LIBCPP_HIDDEN
202    __i_node* __insert_iterator(void* __i);
203    _LIBCPP_HIDDEN
204    __i_node* __find_iterator(const void* __i) const;
205
206    friend _LIBCPP_FUNC_VIS __libcpp_db* __get_db();
207};
208
209_LIBCPP_FUNC_VIS __libcpp_db* __get_db();
210_LIBCPP_FUNC_VIS const __libcpp_db* __get_const_db();
211
212
213_LIBCPP_END_NAMESPACE_STD
214
215#endif
216
217#endif  // _LIBCPP_DEBUG_H
218
219