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📄 exception_fallback.ipp(3.02 KB)
📄 exception_glibcxx.ipp(692 B)
📄 exception_libcxxabi.ipp(756 B)
📄 exception_libcxxrt.ipp(639 B)
📄 exception_msvc.ipp(3.13 KB)
📄 exception_pointer_cxxabi.ipp(1.79 KB)
📄 exception_pointer_glibcxx.ipp(2.19 KB)
📄 exception_pointer_msvc.ipp(2.73 KB)
📄 exception_pointer_unimplemented.ipp(1.79 KB)
📄 new_handler_fallback.ipp(701 B)
📄 stdexcept_default.ipp(2.01 KB)
📄 stdexcept_vcruntime.ipp(654 B)

Editing: exception_pointer_glibcxx.ipp

// -*- 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
//
//===----------------------------------------------------------------------===//

// libsupc++ does not implement the dependent EH ABI and the functionality
// it uses to implement std::exception_ptr (which it declares as an alias of
// std::__exception_ptr::exception_ptr) is not directly exported to clients. So
// we have little choice but to hijack std::__exception_ptr::exception_ptr's
// (which fortunately has the same layout as our std::exception_ptr) copy
// constructor, assignment operator and destructor (which are part of its
// stable ABI), and its rethrow_exception(std::__exception_ptr::exception_ptr)
// function.

namespace std {

namespace __exception_ptr
{

struct exception_ptr
{
    void* __ptr_;

exception_ptr(const exception_ptr&) _NOEXCEPT;
    exception_ptr& operator=(const exception_ptr&) _NOEXCEPT;
    ~exception_ptr() _NOEXCEPT;
};

}

_LIBCPP_NORETURN void rethrow_exception(__exception_ptr::exception_ptr);

exception_ptr::~exception_ptr() _NOEXCEPT
{
    reinterpret_cast<__exception_ptr::exception_ptr*>(this)->~exception_ptr();
}

exception_ptr::exception_ptr(const exception_ptr& other) _NOEXCEPT
    : __ptr_(other.__ptr_)
{
    new (reinterpret_cast<void*>(this)) __exception_ptr::exception_ptr(
        reinterpret_cast<const __exception_ptr::exception_ptr&>(other));
}

exception_ptr& exception_ptr::operator=(const exception_ptr& other) _NOEXCEPT
{
    *reinterpret_cast<__exception_ptr::exception_ptr*>(this) =
        reinterpret_cast<const __exception_ptr::exception_ptr&>(other);
    return *this;
}

nested_exception::nested_exception() _NOEXCEPT
    : __ptr_(current_exception())
{
}

_LIBCPP_NORETURN
void
nested_exception::rethrow_nested() const
{
    if (__ptr_ == nullptr)
        terminate();
    rethrow_exception(__ptr_);
}

_LIBCPP_NORETURN
void rethrow_exception(exception_ptr p)
{
    rethrow_exception(reinterpret_cast<__exception_ptr::exception_ptr&>(p));
}

} // namespace std

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Editing: exception_pointer_glibcxx.ipp

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