third_party/llvm-project/libcxx/include/__debug - cobalt - Git at Google

 // -*- 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
 #define _LIBCPP___DEBUG

 #include <__assert>
 #include <__config>
 #include <__type_traits/is_constant_evaluated.h>
 #include <cstddef>

 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
 #endif

 #if defined(_LIBCPP_ENABLE_DEBUG_MODE) && !defined(_LIBCPP_CXX03_LANG) && !defined(_LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY)
 # define _LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY
 #endif

 #if defined(_LIBCPP_ENABLE_DEBUG_MODE) && !defined(_LIBCPP_DEBUG_ITERATOR_BOUNDS_CHECKING)
 # define _LIBCPP_DEBUG_ITERATOR_BOUNDS_CHECKING
 #endif

 #ifdef _LIBCPP_ENABLE_DEBUG_MODE
 #   define _LIBCPP_DEBUG_ASSERT(x, m) _LIBCPP_ASSERT(::std::__libcpp_is_constant_evaluated() || (x), m)
 #else
 #   define _LIBCPP_DEBUG_ASSERT(x, m) ((void)0)
 #endif

 #if defined(_LIBCPP_ENABLE_DEBUG_MODE) || defined(_LIBCPP_BUILDING_LIBRARY)

 _LIBCPP_BEGIN_NAMESPACE_STD

 struct _LIBCPP_TYPE_VIS __c_node;

 struct _LIBCPP_TYPE_VIS __i_node
 {
     void* __i_;
     __i_node* __next_;
     __c_node* __c_;

     __i_node(const __i_node&) = delete;
     __i_node& operator=(const __i_node&) = delete;

     _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_;

     __c_node(const __c_node&) = delete;
     __c_node& operator=(const __c_node&) = delete;

     _LIBCPP_INLINE_VISIBILITY
     explicit __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
 {
     explicit _C_node(void* __c, __c_node* __n)
         : __c_node(__c, __n) {}

     bool __dereferenceable(const void*) const override;
     bool __decrementable(const void*) const override;
     bool __addable(const void*, ptrdiff_t) const override;
     bool __subscriptable(const void*, ptrdiff_t) const override;
 };

 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_;

     explicit __libcpp_db();
 public:
     __libcpp_db(const __libcpp_db&) = delete;
     __libcpp_db& operator=(const __libcpp_db&) = delete;

     ~__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();

 _LIBCPP_END_NAMESPACE_STD

 #endif // defined(_LIBCPP_ENABLE_DEBUG_MODE) || defined(_LIBCPP_BUILDING_LIBRARY)

 _LIBCPP_BEGIN_NAMESPACE_STD

 template <class _Tp>
 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 inline void __debug_db_insert_c(_Tp* __c) {
 #ifdef _LIBCPP_ENABLE_DEBUG_MODE
     if (!__libcpp_is_constant_evaluated())
         __get_db()->__insert_c(__c);
 #else
     (void)(__c);
 #endif
 }

 template <class _Tp>
 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 inline void __debug_db_insert_i(_Tp* __i) {
 #ifdef _LIBCPP_ENABLE_DEBUG_MODE
     if (!__libcpp_is_constant_evaluated())
         __get_db()->__insert_i(__i);
 #else
     (void)(__i);
 #endif
 }

 template <class _Tp>
 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 inline void __debug_db_erase_c(_Tp* __c) {
 #ifdef _LIBCPP_ENABLE_DEBUG_MODE
     if (!__libcpp_is_constant_evaluated())
         __get_db()->__erase_c(__c);
 #else
     (void)(__c);
 #endif
 }

 template <class _Tp>
 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 inline void __debug_db_swap(_Tp* __lhs, _Tp* __rhs) {
 #ifdef _LIBCPP_ENABLE_DEBUG_MODE
     if (!__libcpp_is_constant_evaluated())
         __get_db()->swap(__lhs, __rhs);
 #else
     (void)(__lhs);
     (void)(__rhs);
 #endif
 }

 template <class _Tp>
 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 inline void __debug_db_invalidate_all(_Tp* __c) {
 #ifdef _LIBCPP_ENABLE_DEBUG_MODE
     if (!__libcpp_is_constant_evaluated())
         __get_db()->__invalidate_all(__c);
 #else
     (void)(__c);
 #endif
 }

 _LIBCPP_END_NAMESPACE_STD

 #endif // _LIBCPP___DEBUG
	// -- 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
	#define _LIBCPP___DEBUG

	#include <__assert>
	#include <__config>
	#include <__type_traits/is_constant_evaluated.h>
	#include <cstddef>

	#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
	# pragma GCC system_header
	#endif

	#if defined(_LIBCPP_ENABLE_DEBUG_MODE) && !defined(_LIBCPP_CXX03_LANG) && !defined(_LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY)
	# define _LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY
	#endif

	#if defined(_LIBCPP_ENABLE_DEBUG_MODE) && !defined(_LIBCPP_DEBUG_ITERATOR_BOUNDS_CHECKING)
	# define _LIBCPP_DEBUG_ITERATOR_BOUNDS_CHECKING
	#endif

	#ifdef _LIBCPP_ENABLE_DEBUG_MODE
	# define _LIBCPP_DEBUG_ASSERT(x, m) _LIBCPP_ASSERT(::std::__libcpp_is_constant_evaluated() \|\| (x), m)
	#else
	# define _LIBCPP_DEBUG_ASSERT(x, m) ((void)0)
	#endif

	#if defined(_LIBCPP_ENABLE_DEBUG_MODE) \|\| defined(_LIBCPP_BUILDING_LIBRARY)

	_LIBCPP_BEGIN_NAMESPACE_STD

	struct _LIBCPP_TYPE_VIS __c_node;

	struct _LIBCPP_TYPE_VIS __i_node
	{
	void* __i_;
	__i_node* __next_;
	__c_node* __c_;

	__i_node(const __i_node&) = delete;
	__i_node& operator=(const __i_node&) = delete;

	_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_;

	__c_node(const __c_node&) = delete;
	__c_node& operator=(const __c_node&) = delete;

	_LIBCPP_INLINE_VISIBILITY
	explicit __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
	{
	explicit _C_node(void* __c, __c_node* __n)
	: __c_node(__c, __n) {}

	bool __dereferenceable(const void*) const override;
	bool __decrementable(const void*) const override;
	bool __addable(const void*, ptrdiff_t) const override;
	bool __subscriptable(const void*, ptrdiff_t) const override;
	};

	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_;

	explicit __libcpp_db();
	public:
	__libcpp_db(const __libcpp_db&) = delete;
	__libcpp_db& operator=(const __libcpp_db&) = delete;

	~__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();

	_LIBCPP_END_NAMESPACE_STD

	#endif // defined(_LIBCPP_ENABLE_DEBUG_MODE) \|\| defined(_LIBCPP_BUILDING_LIBRARY)

	_LIBCPP_BEGIN_NAMESPACE_STD

	template <class _Tp>
	_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 inline void __debug_db_insert_c(_Tp* __c) {
	#ifdef _LIBCPP_ENABLE_DEBUG_MODE
	if (!__libcpp_is_constant_evaluated())
	__get_db()->__insert_c(__c);
	#else
	(void)(__c);
	#endif
	}

	template <class _Tp>
	_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 inline void __debug_db_insert_i(_Tp* __i) {
	#ifdef _LIBCPP_ENABLE_DEBUG_MODE
	if (!__libcpp_is_constant_evaluated())
	__get_db()->__insert_i(__i);
	#else
	(void)(__i);
	#endif
	}

	template <class _Tp>
	_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 inline void __debug_db_erase_c(_Tp* __c) {
	#ifdef _LIBCPP_ENABLE_DEBUG_MODE
	if (!__libcpp_is_constant_evaluated())
	__get_db()->__erase_c(__c);
	#else
	(void)(__c);
	#endif
	}

	template <class _Tp>
	_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 inline void __debug_db_swap(_Tp* __lhs, _Tp* __rhs) {
	#ifdef _LIBCPP_ENABLE_DEBUG_MODE
	if (!__libcpp_is_constant_evaluated())
	__get_db()->swap(__lhs, __rhs);
	#else
	(void)(__lhs);
	(void)(__rhs);
	#endif
	}

	template <class _Tp>
	_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 inline void __debug_db_invalidate_all(_Tp* __c) {
	#ifdef _LIBCPP_ENABLE_DEBUG_MODE
	if (!__libcpp_is_constant_evaluated())
	__get_db()->__invalidate_all(__c);
	#else
	(void)(__c);
	#endif
	}

	_LIBCPP_END_NAMESPACE_STD

	#endif // _LIBCPP___DEBUG