exception_pointer_msvc.ipp
2.73 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
// -*- 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
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#include <stdlib.h>
_LIBCPP_CRT_FUNC void __cdecl __ExceptionPtrCreate(void*);
_LIBCPP_CRT_FUNC void __cdecl __ExceptionPtrDestroy(void*);
_LIBCPP_CRT_FUNC void __cdecl __ExceptionPtrCopy(void*, const void*);
_LIBCPP_CRT_FUNC void __cdecl __ExceptionPtrAssign(void*, const void*);
_LIBCPP_CRT_FUNC bool __cdecl __ExceptionPtrCompare(const void*, const void*);
_LIBCPP_CRT_FUNC bool __cdecl __ExceptionPtrToBool(const void*);
_LIBCPP_CRT_FUNC void __cdecl __ExceptionPtrSwap(void*, void*);
_LIBCPP_CRT_FUNC void __cdecl __ExceptionPtrCurrentException(void*);
[[noreturn]] _LIBCPP_CRT_FUNC void __cdecl __ExceptionPtrRethrow(const void*);
_LIBCPP_CRT_FUNC void __cdecl
__ExceptionPtrCopyException(void*, const void*, const void*);
namespace std {
exception_ptr::exception_ptr() _NOEXCEPT { __ExceptionPtrCreate(this); }
exception_ptr::exception_ptr(nullptr_t) _NOEXCEPT { __ExceptionPtrCreate(this); }
exception_ptr::exception_ptr(const exception_ptr& __other) _NOEXCEPT {
__ExceptionPtrCopy(this, &__other);
}
exception_ptr& exception_ptr::operator=(const exception_ptr& __other) _NOEXCEPT {
__ExceptionPtrAssign(this, &__other);
return *this;
}
exception_ptr& exception_ptr::operator=(nullptr_t) _NOEXCEPT {
exception_ptr dummy;
__ExceptionPtrAssign(this, &dummy);
return *this;
}
exception_ptr::~exception_ptr() _NOEXCEPT { __ExceptionPtrDestroy(this); }
exception_ptr::operator bool() const _NOEXCEPT {
return __ExceptionPtrToBool(this);
}
bool operator==(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT {
return __ExceptionPtrCompare(&__x, &__y);
}
void swap(exception_ptr& lhs, exception_ptr& rhs) _NOEXCEPT {
__ExceptionPtrSwap(&rhs, &lhs);
}
exception_ptr __copy_exception_ptr(void* __except, const void* __ptr) {
exception_ptr __ret = nullptr;
if (__ptr)
__ExceptionPtrCopyException(&__ret, __except, __ptr);
return __ret;
}
exception_ptr current_exception() _NOEXCEPT {
exception_ptr __ret;
__ExceptionPtrCurrentException(&__ret);
return __ret;
}
_LIBCPP_NORETURN
void rethrow_exception(exception_ptr p) { __ExceptionPtrRethrow(&p); }
nested_exception::nested_exception() _NOEXCEPT : __ptr_(current_exception()) {}
nested_exception::~nested_exception() _NOEXCEPT {}
_LIBCPP_NORETURN
void nested_exception::rethrow_nested() const {
if (__ptr_ == nullptr)
terminate();
rethrow_exception(__ptr_);
}
} // namespace std