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57b08b0944
llvm-capstone/libcxx/include/__debug
Chandler Carruth 57b08b0944 Update more file headers across all of the LLVM projects in the monorepo 
to reflect the new license. These used slightly different spellings that
defeated my regular expressions.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351648
2019-01-19 10:56:40 +00:00

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// -*- 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>
#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
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