06ee65af9e
release/18.x branch, commit 78b99c73ee4b96fe9ce0e294d4632326afb2db42 This adds the flag `-D_LIBCPP_HARDENING_MODE` which is determined based on the Zig optimization mode. This commit also fixes libunwind, libcxx, and libcxxabi to properly report sub compilation errors.
65 lines
1.9 KiB
C++
Vendored
65 lines
1.9 KiB
C++
Vendored
// -*- 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 HAVE_DEPENDENT_EH_ABI
|
|
# error this header may only be used with libc++abi or libcxxrt
|
|
#endif
|
|
|
|
namespace std {
|
|
|
|
exception_ptr::~exception_ptr() noexcept { __cxa_decrement_exception_refcount(__ptr_); }
|
|
|
|
exception_ptr::exception_ptr(const exception_ptr& other) noexcept : __ptr_(other.__ptr_) {
|
|
__cxa_increment_exception_refcount(__ptr_);
|
|
}
|
|
|
|
exception_ptr& exception_ptr::operator=(const exception_ptr& other) noexcept {
|
|
if (__ptr_ != other.__ptr_) {
|
|
__cxa_increment_exception_refcount(other.__ptr_);
|
|
__cxa_decrement_exception_refcount(__ptr_);
|
|
__ptr_ = other.__ptr_;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
exception_ptr exception_ptr::__from_native_exception_pointer(void* __e) noexcept {
|
|
exception_ptr ptr;
|
|
ptr.__ptr_ = __e;
|
|
__cxa_increment_exception_refcount(ptr.__ptr_);
|
|
|
|
return ptr;
|
|
}
|
|
|
|
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_);
|
|
}
|
|
|
|
exception_ptr current_exception() noexcept {
|
|
// be nicer if there was a constructor that took a ptr, then
|
|
// this whole function would be just:
|
|
// return exception_ptr(__cxa_current_primary_exception());
|
|
exception_ptr ptr;
|
|
ptr.__ptr_ = __cxa_current_primary_exception();
|
|
return ptr;
|
|
}
|
|
|
|
_LIBCPP_NORETURN void rethrow_exception(exception_ptr p) {
|
|
__cxa_rethrow_primary_exception(p.__ptr_);
|
|
// if p.__ptr_ is NULL, above returns so we terminate
|
|
terminate();
|
|
}
|
|
|
|
} // namespace std
|