// -*- 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_NEW

#define _LIBCPP_NEW

/*

    new synopsis

namespace std

{

class bad_alloc

    : public exception

{

public:

    bad_alloc() noexcept;

    bad_alloc(const bad_alloc&) noexcept;

    bad_alloc& operator=(const bad_alloc&) noexcept;

    virtual const char* what() const noexcept;

};

class bad_array_new_length : public bad_alloc // C++14

{

public:

    bad_array_new_length() noexcept;

};

enum class align_val_t : size_t {}; // C++17

struct destroying_delete_t { // C++20

  explicit destroying_delete_t() = default;

};

inline constexpr destroying_delete_t destroying_delete{}; // C++20

struct nothrow_t { explicit nothrow_t() = default; };

extern const nothrow_t nothrow;

typedef void (*new_handler)();

new_handler set_new_handler(new_handler new_p) noexcept;

new_handler get_new_handler() noexcept;

// 21.6.4, pointer optimization barrier

template <class T> [[nodiscard]] constexpr T* launder(T* p) noexcept;   // C++17, nodiscard since C++20

}  // std

void* operator new(std::size_t size);                                   // replaceable, nodiscard in C++20

void* operator new(std::size_t size, std::align_val_t alignment);       // replaceable, C++17, nodiscard in C++20

void* operator new(std::size_t size, const std::nothrow_t&) noexcept;   // replaceable, nodiscard in C++20

void* operator new(std::size_t size, std::align_val_t alignment,

                   const std::nothrow_t&) noexcept;                     // replaceable, C++17, nodiscard in C++20

void  operator delete(void* ptr) noexcept;                              // replaceable

void  operator delete(void* ptr, std::size_t size) noexcept;            // replaceable, C++14

void  operator delete(void* ptr, std::align_val_t alignment) noexcept;  // replaceable, C++17

void  operator delete(void* ptr, std::size_t size,

                      std::align_val_t alignment) noexcept;             // replaceable, C++17

void  operator delete(void* ptr, const std::nothrow_t&) noexcept;       // replaceable

void  operator delete(void* ptr, std:align_val_t alignment,

                      const std::nothrow_t&) noexcept;                  // replaceable, C++17

void* operator new[](std::size_t size);                                 // replaceable, nodiscard in C++20

void* operator new[](std::size_t size,

                     std::align_val_t alignment) noexcept;              // replaceable, C++17, nodiscard in C++20

void* operator new[](std::size_t size, const std::nothrow_t&) noexcept; // replaceable, nodiscard in C++20

void* operator new[](std::size_t size, std::align_val_t alignment,

                     const std::nothrow_t&) noexcept;                   // replaceable, C++17, nodiscard in C++20

void  operator delete[](void* ptr) noexcept;                            // replaceable

void  operator delete[](void* ptr, std::size_t size) noexcept;          // replaceable, C++14

void  operator delete[](void* ptr,

                        std::align_val_t alignment) noexcept;           // replaceable, C++17

void  operator delete[](void* ptr, std::size_t size,

                        std::align_val_t alignment) noexcept;           // replaceable, C++17

void  operator delete[](void* ptr, const std::nothrow_t&) noexcept;     // replaceable

void  operator delete[](void* ptr, std::align_val_t alignment,

                        const std::nothrow_t&) noexcept;                // replaceable, C++17

void* operator new  (std::size_t size, void* ptr) noexcept;             // nodiscard in C++20

void* operator new[](std::size_t size, void* ptr) noexcept;             // nodiscard in C++20

void  operator delete  (void* ptr, void*) noexcept;

void  operator delete[](void* ptr, void*) noexcept;

*/

#include <__assert> // all public C++ headers provide the assertion handler

#include <__availability>

#include <__config>

#include <__exception/exception.h>

#include <__type_traits/is_function.h>

#include <__type_traits/is_same.h>

#include <__type_traits/remove_cv.h>

#include <cstddef>

#include <version>

#if defined(_LIBCPP_ABI_VCRUNTIME)

#  include <new.h>

#endif

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)

#  pragma GCC system_header

#endif

#if !defined(__cpp_sized_deallocation) || __cpp_sized_deallocation < 201309L

#  define _LIBCPP_HAS_NO_LANGUAGE_SIZED_DEALLOCATION

#endif

#if !defined(_LIBCPP_BUILDING_LIBRARY) && _LIBCPP_STD_VER < 14 && defined(_LIBCPP_HAS_NO_LANGUAGE_SIZED_DEALLOCATION)

#  define _LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION

#endif

#if defined(_LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION) || defined(_LIBCPP_HAS_NO_LANGUAGE_SIZED_DEALLOCATION)

#  define _LIBCPP_HAS_NO_SIZED_DEALLOCATION

#endif

namespace std // purposefully not using versioning namespace

{

#if !defined(_LIBCPP_ABI_VCRUNTIME)

struct _LIBCPP_EXPORTED_FROM_ABI nothrow_t {

  explicit nothrow_t() = default;

};

extern _LIBCPP_EXPORTED_FROM_ABI const nothrow_t nothrow;

class _LIBCPP_EXPORTED_FROM_ABI bad_alloc : public exception {

public:

  bad_alloc() _NOEXCEPT;

  _LIBCPP_HIDE_FROM_ABI bad_alloc(const bad_alloc&) _NOEXCEPT            = default;

  _LIBCPP_HIDE_FROM_ABI bad_alloc& operator=(const bad_alloc&) _NOEXCEPT = default;

  ~bad_alloc() _NOEXCEPT override;

  const char* what() const _NOEXCEPT override;

};

class _LIBCPP_EXPORTED_FROM_ABI bad_array_new_length : public bad_alloc {

public:

  bad_array_new_length() _NOEXCEPT;

  _LIBCPP_HIDE_FROM_ABI bad_array_new_length(const bad_array_new_length&) _NOEXCEPT            = default;

  _LIBCPP_HIDE_FROM_ABI bad_array_new_length& operator=(const bad_array_new_length&) _NOEXCEPT = default;

  ~bad_array_new_length() _NOEXCEPT override;

  const char* what() const _NOEXCEPT override;

};

typedef void (*new_handler)();

_LIBCPP_EXPORTED_FROM_ABI new_handler set_new_handler(new_handler) _NOEXCEPT;

_LIBCPP_EXPORTED_FROM_ABI new_handler get_new_handler() _NOEXCEPT;

#elif defined(_HAS_EXCEPTIONS) && _HAS_EXCEPTIONS == 0 // !_LIBCPP_ABI_VCRUNTIME

// When _HAS_EXCEPTIONS == 0, these complete definitions are needed,

// since they would normally be provided in vcruntime_exception.h

class bad_alloc : public exception {

public:

  bad_alloc() noexcept : exception("bad allocation") {}

private:

  friend class bad_array_new_length;

  bad_alloc(char const* const __message) noexcept : exception(__message) {}

};

class bad_array_new_length : public bad_alloc {

public:

  bad_array_new_length() noexcept : bad_alloc("bad array new length") {}

};

#endif // defined(_LIBCPP_ABI_VCRUNTIME) && defined(_HAS_EXCEPTIONS) && _HAS_EXCEPTIONS == 0

_LIBCPP_NORETURN _LIBCPP_EXPORTED_FROM_ABI void __throw_bad_alloc(); // not in C++ spec

_LIBCPP_NORETURN inline _LIBCPP_HIDE_FROM_ABI void __throw_bad_array_new_length() {

#ifndef _LIBCPP_HAS_NO_EXCEPTIONS

  throw bad_array_new_length();

#else

  _LIBCPP_VERBOSE_ABORT("bad_array_new_length was thrown in -fno-exceptions mode");

#endif

}

#if !defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) && !defined(_LIBCPP_ABI_VCRUNTIME)

#  ifndef _LIBCPP_CXX03_LANG

enum class align_val_t : size_t {};

#  else

enum align_val_t { __zero = 0, __max = (size_t)-1 };

#  endif

#endif

#if _LIBCPP_STD_VER >= 20

// Enable the declaration even if the compiler doesn't support the language

// feature.

struct destroying_delete_t {

  explicit destroying_delete_t() = default;

};

inline constexpr destroying_delete_t destroying_delete{};

#endif // _LIBCPP_STD_VER >= 20

} // namespace std

#if defined(_LIBCPP_CXX03_LANG)

#  define _THROW_BAD_ALLOC throw(std::bad_alloc)

#else

#  define _THROW_BAD_ALLOC

#endif

#if !defined(_LIBCPP_ABI_VCRUNTIME)

_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new(std::size_t __sz) _THROW_BAD_ALLOC;

_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void*

operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS;

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete(void* __p) _NOEXCEPT;

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT;

#  ifndef _LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete(void* __p, std::size_t __sz) _NOEXCEPT;

#  endif

_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz) _THROW_BAD_ALLOC;

_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void*

operator new[](std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS;

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete[](void* __p) _NOEXCEPT;

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete[](void* __p, const std::nothrow_t&) _NOEXCEPT;

#  ifndef _LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete[](void* __p, std::size_t __sz) _NOEXCEPT;

#  endif

#  ifndef _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION

_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void*

operator new(std::size_t __sz, std::align_val_t) _THROW_BAD_ALLOC;

_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void*

operator new(std::size_t __sz, std::align_val_t, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS;

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete(void* __p, std::align_val_t) _NOEXCEPT;

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete(void* __p, std::align_val_t, const std::nothrow_t&) _NOEXCEPT;

#    ifndef _LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete(void* __p, std::size_t __sz, std::align_val_t) _NOEXCEPT;

#    endif

_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void*

operator new[](std::size_t __sz, std::align_val_t) _THROW_BAD_ALLOC;

_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void*

operator new[](std::size_t __sz, std::align_val_t, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS;

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete[](void* __p, std::align_val_t) _NOEXCEPT;

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete[](void* __p, std::align_val_t, const std::nothrow_t&) _NOEXCEPT;

#    ifndef _LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION

_LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete[](void* __p, std::size_t __sz, std::align_val_t) _NOEXCEPT;

#    endif

#  endif

_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_HIDE_FROM_ABI void* operator new(std::size_t, void* __p) _NOEXCEPT {

  return __p;

}

_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_HIDE_FROM_ABI void* operator new[](std::size_t, void* __p) _NOEXCEPT {

  return __p;

}

inline _LIBCPP_HIDE_FROM_ABI void operator delete(void*, void*) _NOEXCEPT {}

inline _LIBCPP_HIDE_FROM_ABI void operator delete[](void*, void*) _NOEXCEPT {}

#endif // !_LIBCPP_ABI_VCRUNTIME

_LIBCPP_BEGIN_NAMESPACE_STD

_LIBCPP_CONSTEXPR inline _LIBCPP_HIDE_FROM_ABI bool __is_overaligned_for_new(size_t __align) _NOEXCEPT {

#ifdef __STDCPP_DEFAULT_NEW_ALIGNMENT__

  return __align > __STDCPP_DEFAULT_NEW_ALIGNMENT__;

#else

  return __align > _LIBCPP_ALIGNOF(max_align_t);

#endif

}

template <class... _Args>

_LIBCPP_HIDE_FROM_ABI void* __libcpp_operator_new(_Args... __args) {

#if __has_builtin(__builtin_operator_new) && __has_builtin(__builtin_operator_delete)

  return __builtin_operator_new(__args...);

#else

  return ::operator new(__args...);

#endif

}

Unexecuted instantiation: void* std::__1::__libcpp_operator_new[abi:ne180100]<unsigned long, std::align_val_t>(unsigned long, std::align_val_t)

void* std::__1::__libcpp_operator_new[abi:ne180100]<unsigned long>(unsigned long)

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_LIBCPP_HIDE_FROM_ABI void* __libcpp_operator_new(_Args... __args) {

270

6.47M

#if __has_builtin(__builtin_operator_new) && __has_builtin(__builtin_operator_delete)

271

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  return __builtin_operator_new(__args...);

272

#else

273

  return ::operator new(__args...);

274

#endif

275

6.47M

}

template <class... _Args>

_LIBCPP_HIDE_FROM_ABI void __libcpp_operator_delete(_Args... __args) {

#if __has_builtin(__builtin_operator_new) && __has_builtin(__builtin_operator_delete)

  __builtin_operator_delete(__args...);

#else

  ::operator delete(__args...);

#endif

}

Unexecuted instantiation: void std::__1::__libcpp_operator_delete[abi:ne180100]<void*, std::align_val_t>(void*, std::align_val_t)

void std::__1::__libcpp_operator_delete[abi:ne180100]<void*>(void*)

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6.48M

_LIBCPP_HIDE_FROM_ABI void __libcpp_operator_delete(_Args... __args) {

279

6.48M

#if __has_builtin(__builtin_operator_new) && __has_builtin(__builtin_operator_delete)

280

6.48M

  __builtin_operator_delete(__args...);

281

#else

282

  ::operator delete(__args...);

283

#endif

284

6.48M

}

inline _LIBCPP_HIDE_FROM_ABI void* __libcpp_allocate(size_t __size, size_t __align) {

#ifndef _LIBCPP_HAS_NO_ALIGNED_ALLOCATION

  if (__is_overaligned_for_new(__align)) {

    const align_val_t __align_val = static_cast<align_val_t>(__align);

    return __libcpp_operator_new(__size, __align_val);

  }

#endif

  (void)__align;

  return __libcpp_operator_new(__size);

}

template <class... _Args>

_LIBCPP_HIDE_FROM_ABI void __do_deallocate_handle_size(void* __ptr, size_t __size, _Args... __args) {

#ifdef _LIBCPP_HAS_NO_SIZED_DEALLOCATION

  (void)__size;

  return std::__libcpp_operator_delete(__ptr, __args...);

#else

  return std::__libcpp_operator_delete(__ptr, __size, __args...);

#endif

}

Unexecuted instantiation: void std::__1::__do_deallocate_handle_size[abi:ne180100]<std::align_val_t>(void*, unsigned long, std::align_val_t)

void std::__1::__do_deallocate_handle_size[abi:ne180100]<>(void*, unsigned long)

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299

6.48M

_LIBCPP_HIDE_FROM_ABI void __do_deallocate_handle_size(void* __ptr, size_t __size, _Args... __args) {

300

6.48M

#ifdef _LIBCPP_HAS_NO_SIZED_DEALLOCATION

301

6.48M

  (void)__size;

302

6.48M

  return std::__libcpp_operator_delete(__ptr, __args...);

303

#else

304

  return std::__libcpp_operator_delete(__ptr, __size, __args...);

305

#endif

306

6.48M

}

inline _LIBCPP_HIDE_FROM_ABI void __libcpp_deallocate(void* __ptr, size_t __size, size_t __align) {

#if defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION)

  (void)__align;

  return __do_deallocate_handle_size(__ptr, __size);

#else

  if (__is_overaligned_for_new(__align)) {

    const align_val_t __align_val = static_cast<align_val_t>(__align);

    return __do_deallocate_handle_size(__ptr, __size, __align_val);

  } else {

    return __do_deallocate_handle_size(__ptr, __size);

  }

#endif

}

inline _LIBCPP_HIDE_FROM_ABI void __libcpp_deallocate_unsized(void* __ptr, size_t __align) {

#if defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION)

  (void)__align;

  return __libcpp_operator_delete(__ptr);

#else

  if (__is_overaligned_for_new(__align)) {

    const align_val_t __align_val = static_cast<align_val_t>(__align);

    return __libcpp_operator_delete(__ptr, __align_val);

  } else {

    return __libcpp_operator_delete(__ptr);

  }

#endif

}

template <class _Tp>

_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Tp* __launder(_Tp* __p) _NOEXCEPT {

  static_assert(!(is_function<_Tp>::value), "can't launder functions");

  static_assert(!(is_same<void, __remove_cv_t<_Tp> >::value), "can't launder cv-void");

  return __builtin_launder(__p);

}

#if _LIBCPP_STD_VER >= 17

template <class _Tp>

_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_HIDE_FROM_ABI constexpr _Tp* launder(_Tp* __p) noexcept {

  return std::__launder(__p);

}

#endif

#if _LIBCPP_STD_VER >= 17

#  if defined(__GCC_DESTRUCTIVE_SIZE) && defined(__GCC_CONSTRUCTIVE_SIZE)

inline constexpr size_t hardware_destructive_interference_size  = __GCC_DESTRUCTIVE_SIZE;

inline constexpr size_t hardware_constructive_interference_size = __GCC_CONSTRUCTIVE_SIZE;

#  endif // defined(__GCC_DESTRUCTIVE_SIZE) && defined(__GCC_CONSTRUCTIVE_SIZE)

#endif // _LIBCPP_STD_VER >= 17

_LIBCPP_END_NAMESPACE_STD

#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20

#  include <cstdlib>

#  include <type_traits>

#endif

#endif // _LIBCPP_NEW