util/on_failure.h - GCC Code Coverage Report

util/on_failure.h

Line	Branch	Exec	Source
1			// SPDX-License-Identifier: BSD-3-Clause
2			/// @file on_failure.h
3			/// @brief Undoing a step when what follows it throws, so constructors that make several handles
4			/// leak none when one fails.
5			#pragma once
6
7			#include <exception>
8			#include <utility>
9
10			namespace ernie {
11
12			/// @brief Runs `undo` when destroyed by an exception's unwinding, and not otherwise.
13			template <typename Undo> class OnFailure {
14			public:
15		985	explicit OnFailure(Undo undo)
16	6/10 ✓ Branch 0 taken 104 times. ✓ Branch 1 taken 603 times. ✓ Branch 1 taken 95 times. ✗ Branch 2 not taken. ✗ Branch 2 not taken. ✓ Branch 3 taken 78 times. ✓ Branch 4 taken 15 times. ✓ Branch 4 taken 12 times. ✗ Branch 5 not taken. ✗ Branch 5 not taken.	985	: undo_(std::move(undo)), exceptions_(std::uncaught_exceptions()) {}
17		985	~OnFailure() {
18	10/26 ernie::OnFailure<ernie::BindlessHeap::BindlessHeap(ernie::DeviceContext&)::{lambda()#1}>::~OnFailure(): ✗ Branch 0 not taken. ✓ Branch 1 taken 12 times. ernie::OnFailure<ernie::BindlessHeap::BindlessHeap(ernie::DeviceContext&)::{lambda()#2}>::~OnFailure(): ✗ Branch 0 not taken. ✓ Branch 1 taken 12 times. ernie::OnFailure<ernie::ComputeKernel::ComputeKernel(ernie::DeviceContext&, std::span<unsigned int const, 18446744073709551615ul>, std::basic_string_view<char, std::char_traits<char> >, unsigned int, ernie::BindlessHeap const, std::basic_string_view<char, std::char_traits<char> >)::{lambda()#1}>::~OnFailure(): ✗ Branch 0 not taken. ✓ Branch 1 taken 154 times. ernie::OnFailure<ernie::CreateImportedBuffer(VkDevice_T, VkPhysicalDevice_T, VkBufferCreateInfo const&, ernie::ExternalHandle&, VkBuffer_T&, VkDeviceMemory_T&)::{lambda()#1}>::~OnFailure(): ✗ Branch 0 not taken. ✗ Branch 1 not taken. ernie::OnFailure<ernie::CreateImportedBuffer(VkDevice_T, VkPhysicalDevice_T, VkBufferCreateInfo const&, ernie::ExternalHandle&, VkBuffer_T&, VkDeviceMemory_T&)::{lambda()#2}>::~OnFailure(): ✗ Branch 0 not taken. ✗ Branch 1 not taken. ernie::OnFailure<ernie::DeviceColumn::Resize(unsigned long, ernie::Queue&, std::span<ernie::Ticket const, 18446744073709551615ul>)::{lambda()#1}>::~OnFailure(): ✗ Branch 0 not taken. ✓ Branch 1 taken 460 times. ernie::OnFailure<ernie::DeviceContext::DeviceContext(ernie::DeviceContextOptions const&)::{lambda()#1}>::~OnFailure(): ✗ Branch 0 not taken. ✓ Branch 1 taken 78 times. ernie::OnFailure<ernie::DeviceContext::DeviceContext(ernie::DeviceContextOptions const&)::{lambda()#2}>::~OnFailure(): ✗ Branch 0 not taken. ✓ Branch 1 taken 78 times. ernie::OnFailure<ernie::DeviceContext::DeviceContext(ernie::DeviceContextOptions const&)::{lambda()#3}>::~OnFailure(): ✗ Branch 0 not taken. ✓ Branch 1 taken 78 times. ernie::OnFailure<ernie::DeviceImage::DeviceImage(ernie::DeviceContext&, ernie::ImageDescription const&, std::basic_string_view<char, std::char_traits<char> >)::{lambda()#1}>::~OnFailure(): ✗ Branch 0 not taken. ✓ Branch 1 taken 15 times. ernie::OnFailure<ernie::DeviceImage::DeviceImage(ernie::DeviceContext&, ernie::ImageDescription const&, std::basic_string_view<char, std::char_traits<char> >)::{lambda()#2}>::~OnFailure(): ✗ Branch 0 not taken. ✓ Branch 1 taken 15 times. ernie::OnFailure<ernie::Instance::Instance(ernie::InstanceOptions const&)::{lambda()#1}>::~OnFailure(): ✗ Branch 0 not taken. ✓ Branch 1 taken 83 times. ernie::OnFailure<ernie::Timeline::Timeline(VkDevice_T, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, ernie::ExternalHandle)::{lambda()#1}>::~OnFailure(): ✗ Branch 0 not taken. ✗ Branch 1 not taken.	985	if (std::uncaught_exceptions() > exceptions_) {
19		✗	undo_();
20			}
21		985	}
22			OnFailure(const OnFailure&) = delete;
23			OnFailure& operator=(const OnFailure&) = delete;
24
25			private:
26			Undo undo_;
27			int exceptions_;
28			};
29
30			} // namespace ernie
31