| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP_DEBUG_H |
| #define _LIBCPP_DEBUG_H |
| |
| #include <__config> |
| #include <iosfwd> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| #if defined(_LIBCPP_HAS_NO_NULLPTR) |
| # include <cstddef> |
| #endif |
| |
| #if _LIBCPP_DEBUG_LEVEL >= 1 || defined(_LIBCPP_BUILDING_LIBRARY) |
| # include <cstdlib> |
| # include <cstdio> |
| # include <cstddef> |
| #endif |
| |
| #if _LIBCPP_DEBUG_LEVEL == 0 |
| # define _LIBCPP_DEBUG_ASSERT(x, m) ((void)0) |
| # define _LIBCPP_ASSERT_IMPL(x, m) ((void)0) |
| #elif _LIBCPP_DEBUG_LEVEL == 1 |
| # define _LIBCPP_DEBUG_ASSERT(x, m) ((void)0) |
| # define _LIBCPP_ASSERT_IMPL(x, m) ((x) ? (void)0 : _VSTD::__libcpp_debug_function(_VSTD::__libcpp_debug_info(__FILE__, __LINE__, #x, m))) |
| #elif _LIBCPP_DEBUG_LEVEL == 2 |
| # define _LIBCPP_DEBUG_ASSERT(x, m) _LIBCPP_ASSERT(x, m) |
| # define _LIBCPP_ASSERT_IMPL(x, m) ((x) ? (void)0 : _VSTD::__libcpp_debug_function(_VSTD::__libcpp_debug_info(__FILE__, __LINE__, #x, m))) |
| #else |
| # error _LIBCPP_DEBUG_LEVEL must be one of 0, 1, 2 |
| #endif |
| |
| #if !defined(_LIBCPP_ASSERT) |
| # define _LIBCPP_ASSERT(x, m) _LIBCPP_ASSERT_IMPL(x, m) |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| struct _LIBCPP_TEMPLATE_VIS __libcpp_debug_info { |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| __libcpp_debug_info() |
| : __file_(nullptr), __line_(-1), __pred_(nullptr), __msg_(nullptr) {} |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| __libcpp_debug_info(const char* __f, int __l, const char* __p, const char* __m) |
| : __file_(__f), __line_(__l), __pred_(__p), __msg_(__m) {} |
| |
| _LIBCPP_FUNC_VIS string what() const; |
| |
| const char* __file_; |
| int __line_; |
| const char* __pred_; |
| const char* __msg_; |
| }; |
| |
| /// __libcpp_debug_function_type - The type of the assertion failure handler. |
| typedef void(*__libcpp_debug_function_type)(__libcpp_debug_info const&); |
| |
| /// __libcpp_debug_function - The handler function called when a _LIBCPP_ASSERT |
| /// fails. |
| extern _LIBCPP_EXPORTED_FROM_ABI __libcpp_debug_function_type __libcpp_debug_function; |
| |
| /// __libcpp_abort_debug_function - A debug handler that aborts when called. |
| _LIBCPP_NORETURN _LIBCPP_FUNC_VIS |
| void __libcpp_abort_debug_function(__libcpp_debug_info const&); |
| |
| /// __libcpp_set_debug_function - Set the debug handler to the specified |
| /// function. |
| _LIBCPP_FUNC_VIS |
| bool __libcpp_set_debug_function(__libcpp_debug_function_type __func); |
| |
| #if _LIBCPP_DEBUG_LEVEL == 2 || defined(_LIBCPP_BUILDING_LIBRARY) |
| |
| struct _LIBCPP_TYPE_VIS __c_node; |
| |
| struct _LIBCPP_TYPE_VIS __i_node |
| { |
| void* __i_; |
| __i_node* __next_; |
| __c_node* __c_; |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| __i_node(const __i_node&) = delete; |
| __i_node& operator=(const __i_node&) = delete; |
| #else |
| private: |
| __i_node(const __i_node&); |
| __i_node& operator=(const __i_node&); |
| public: |
| #endif |
| _LIBCPP_INLINE_VISIBILITY |
| __i_node(void* __i, __i_node* __next, __c_node* __c) |
| : __i_(__i), __next_(__next), __c_(__c) {} |
| ~__i_node(); |
| }; |
| |
| struct _LIBCPP_TYPE_VIS __c_node |
| { |
| void* __c_; |
| __c_node* __next_; |
| __i_node** beg_; |
| __i_node** end_; |
| __i_node** cap_; |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| __c_node(const __c_node&) = delete; |
| __c_node& operator=(const __c_node&) = delete; |
| #else |
| private: |
| __c_node(const __c_node&); |
| __c_node& operator=(const __c_node&); |
| public: |
| #endif |
| _LIBCPP_INLINE_VISIBILITY |
| __c_node(void* __c, __c_node* __next) |
| : __c_(__c), __next_(__next), beg_(nullptr), end_(nullptr), cap_(nullptr) {} |
| virtual ~__c_node(); |
| |
| virtual bool __dereferenceable(const void*) const = 0; |
| virtual bool __decrementable(const void*) const = 0; |
| virtual bool __addable(const void*, ptrdiff_t) const = 0; |
| virtual bool __subscriptable(const void*, ptrdiff_t) const = 0; |
| |
| void __add(__i_node* __i); |
| _LIBCPP_HIDDEN void __remove(__i_node* __i); |
| }; |
| |
| template <class _Cont> |
| struct _C_node |
| : public __c_node |
| { |
| _C_node(void* __c, __c_node* __n) |
| : __c_node(__c, __n) {} |
| |
| virtual bool __dereferenceable(const void*) const; |
| virtual bool __decrementable(const void*) const; |
| virtual bool __addable(const void*, ptrdiff_t) const; |
| virtual bool __subscriptable(const void*, ptrdiff_t) const; |
| }; |
| |
| template <class _Cont> |
| inline bool |
| _C_node<_Cont>::__dereferenceable(const void* __i) const |
| { |
| typedef typename _Cont::const_iterator iterator; |
| const iterator* __j = static_cast<const iterator*>(__i); |
| _Cont* _Cp = static_cast<_Cont*>(__c_); |
| return _Cp->__dereferenceable(__j); |
| } |
| |
| template <class _Cont> |
| inline bool |
| _C_node<_Cont>::__decrementable(const void* __i) const |
| { |
| typedef typename _Cont::const_iterator iterator; |
| const iterator* __j = static_cast<const iterator*>(__i); |
| _Cont* _Cp = static_cast<_Cont*>(__c_); |
| return _Cp->__decrementable(__j); |
| } |
| |
| template <class _Cont> |
| inline bool |
| _C_node<_Cont>::__addable(const void* __i, ptrdiff_t __n) const |
| { |
| typedef typename _Cont::const_iterator iterator; |
| const iterator* __j = static_cast<const iterator*>(__i); |
| _Cont* _Cp = static_cast<_Cont*>(__c_); |
| return _Cp->__addable(__j, __n); |
| } |
| |
| template <class _Cont> |
| inline bool |
| _C_node<_Cont>::__subscriptable(const void* __i, ptrdiff_t __n) const |
| { |
| typedef typename _Cont::const_iterator iterator; |
| const iterator* __j = static_cast<const iterator*>(__i); |
| _Cont* _Cp = static_cast<_Cont*>(__c_); |
| return _Cp->__subscriptable(__j, __n); |
| } |
| |
| class _LIBCPP_TYPE_VIS __libcpp_db |
| { |
| __c_node** __cbeg_; |
| __c_node** __cend_; |
| size_t __csz_; |
| __i_node** __ibeg_; |
| __i_node** __iend_; |
| size_t __isz_; |
| |
| __libcpp_db(); |
| public: |
| #ifndef _LIBCPP_CXX03_LANG |
| __libcpp_db(const __libcpp_db&) = delete; |
| __libcpp_db& operator=(const __libcpp_db&) = delete; |
| #else |
| private: |
| __libcpp_db(const __libcpp_db&); |
| __libcpp_db& operator=(const __libcpp_db&); |
| public: |
| #endif |
| ~__libcpp_db(); |
| |
| class __db_c_iterator; |
| class __db_c_const_iterator; |
| class __db_i_iterator; |
| class __db_i_const_iterator; |
| |
| __db_c_const_iterator __c_end() const; |
| __db_i_const_iterator __i_end() const; |
| |
| typedef __c_node*(_InsertConstruct)(void*, void*, __c_node*); |
| |
| template <class _Cont> |
| _LIBCPP_INLINE_VISIBILITY static __c_node* __create_C_node(void *__mem, void *__c, __c_node *__next) { |
| return ::new (__mem) _C_node<_Cont>(__c, __next); |
| } |
| |
| template <class _Cont> |
| _LIBCPP_INLINE_VISIBILITY |
| void __insert_c(_Cont* __c) |
| { |
| __insert_c(static_cast<void*>(__c), &__create_C_node<_Cont>); |
| } |
| |
| void __insert_i(void* __i); |
| void __insert_c(void* __c, _InsertConstruct* __fn); |
| void __erase_c(void* __c); |
| |
| void __insert_ic(void* __i, const void* __c); |
| void __iterator_copy(void* __i, const void* __i0); |
| void __erase_i(void* __i); |
| |
| void* __find_c_from_i(void* __i) const; |
| void __invalidate_all(void* __c); |
| __c_node* __find_c_and_lock(void* __c) const; |
| __c_node* __find_c(void* __c) const; |
| void unlock() const; |
| |
| void swap(void* __c1, void* __c2); |
| |
| |
| bool __dereferenceable(const void* __i) const; |
| bool __decrementable(const void* __i) const; |
| bool __addable(const void* __i, ptrdiff_t __n) const; |
| bool __subscriptable(const void* __i, ptrdiff_t __n) const; |
| bool __less_than_comparable(const void* __i, const void* __j) const; |
| private: |
| _LIBCPP_HIDDEN |
| __i_node* __insert_iterator(void* __i); |
| _LIBCPP_HIDDEN |
| __i_node* __find_iterator(const void* __i) const; |
| |
| friend _LIBCPP_FUNC_VIS __libcpp_db* __get_db(); |
| }; |
| |
| _LIBCPP_FUNC_VIS __libcpp_db* __get_db(); |
| _LIBCPP_FUNC_VIS const __libcpp_db* __get_const_db(); |
| |
| |
| #endif // _LIBCPP_DEBUG_LEVEL == 2 || defined(_LIBCPP_BUILDING_LIBRARY) |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP_DEBUG_H |