303 lines
8.6 KiB
C++
303 lines
8.6 KiB
C++
// -*- C++ -*-
|
|
//===--------------------------- __debug ----------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef _LIBCPP_DEBUG_H
|
|
#define _LIBCPP_DEBUG_H
|
|
|
|
#include <__config>
|
|
|
|
#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>
|
|
# include <exception>
|
|
#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
|
|
|
|
#if _LIBCPP_DEBUG_LEVEL < 1
|
|
class _LIBCPP_EXCEPTION_ABI __libcpp_debug_exception;
|
|
#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) {}
|
|
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_throw_debug_function - A debug handler that throws
|
|
/// an instance of __libcpp_debug_exception when called.
|
|
_LIBCPP_NORETURN _LIBCPP_FUNC_VIS
|
|
void __libcpp_throw_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);
|
|
|
|
// Setup the throwing debug handler during dynamic initialization.
|
|
#if _LIBCPP_DEBUG_LEVEL >= 1 && defined(_LIBCPP_DEBUG_USE_EXCEPTIONS)
|
|
# if defined(_LIBCPP_NO_EXCEPTIONS)
|
|
# error _LIBCPP_DEBUG_USE_EXCEPTIONS cannot be used when exceptions are disabled.
|
|
# endif
|
|
static bool __init_dummy = __libcpp_set_debug_function(__libcpp_throw_debug_function);
|
|
#endif
|
|
|
|
#if _LIBCPP_DEBUG_LEVEL >= 1 || defined(_LIBCPP_BUILDING_LIBRARY)
|
|
class _LIBCPP_EXCEPTION_ABI __libcpp_debug_exception : public exception {
|
|
public:
|
|
__libcpp_debug_exception() _NOEXCEPT;
|
|
explicit __libcpp_debug_exception(__libcpp_debug_info const& __i);
|
|
__libcpp_debug_exception(__libcpp_debug_exception const&);
|
|
~__libcpp_debug_exception() _NOEXCEPT;
|
|
const char* what() const _NOEXCEPT;
|
|
private:
|
|
struct __libcpp_debug_exception_imp;
|
|
__libcpp_debug_exception_imp *__imp_;
|
|
};
|
|
#endif
|
|
|
|
#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;
|
|
|
|
template <class _Cont>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void __insert_c(_Cont* __c)
|
|
{
|
|
__c_node* __n = __insert_c(static_cast<void*>(__c));
|
|
::new(__n) _C_node<_Cont>(__n->__c_, __n->__next_);
|
|
}
|
|
|
|
void __insert_i(void* __i);
|
|
__c_node* __insert_c(void* __c);
|
|
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
|
|
|