diff options
Diffstat (limited to 'gnu/llvm/libcxx/include/__debug')
| -rw-r--r-- | gnu/llvm/libcxx/include/__debug | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/gnu/llvm/libcxx/include/__debug b/gnu/llvm/libcxx/include/__debug new file mode 100644 index 00000000000..11367413fcc --- /dev/null +++ b/gnu/llvm/libcxx/include/__debug @@ -0,0 +1,278 @@ +// -*- C++ -*- +//===--------------------------- __debug ----------------------------------===// +// +// 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 >= 1 && !defined(_LIBCPP_ASSERT) +# define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : \ + _VSTD::__libcpp_debug_function(_VSTD::__libcpp_debug_info(__FILE__, __LINE__, #x, m))) +#endif + +#if _LIBCPP_DEBUG_LEVEL >= 2 +#ifndef _LIBCPP_DEBUG_ASSERT +#define _LIBCPP_DEBUG_ASSERT(x, m) _LIBCPP_ASSERT(x, m) +#endif +#define _LIBCPP_DEBUG_MODE(...) __VA_ARGS__ +#endif + +#ifndef _LIBCPP_ASSERT +# define _LIBCPP_ASSERT(x, m) ((void)0) +#endif +#ifndef _LIBCPP_DEBUG_ASSERT +# define _LIBCPP_DEBUG_ASSERT(x, m) ((void)0) +#endif +#ifndef _LIBCPP_DEBUG_MODE +#define _LIBCPP_DEBUG_MODE(...) ((void)0) +#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 std::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 |