From d18a28a9659092952aef70a30a47726e7c16d31a Mon Sep 17 00:00:00 2001 From: rtk0c Date: Tue, 24 May 2022 21:47:55 -0700 Subject: Changeset: 38 Branch comment: [] Add infrastructure for codegen --- source/ScopeGuard.hpp | 60 --------------------------------------------------- 1 file changed, 60 deletions(-) delete mode 100644 source/ScopeGuard.hpp (limited to 'source/ScopeGuard.hpp') diff --git a/source/ScopeGuard.hpp b/source/ScopeGuard.hpp deleted file mode 100644 index 28f3385..0000000 --- a/source/ScopeGuard.hpp +++ /dev/null @@ -1,60 +0,0 @@ -#pragma once - -#include "Macros.hpp" - -#include - -template -class ScopeGuard { -private: - TCleanupFunc mFunc; - bool mDismissed = false; - -public: - /// Specifically left this implicit so that constructs like - /// \code - /// ScopeGuard sg = [&]() { res.Cleanup(); }; - /// \endcode - /// would work. It is highly discourage and unlikely that one would want to use ScopeGuard as a function - /// parameter, so the normal argument that implicit conversion are harmful doesn't really apply here. - // Deliberately not explicit to allow usages like: ScopeGuard var = lambda; - ScopeGuard(TCleanupFunc&& function) noexcept - : mFunc{ std::move(function) } { - } - - ~ScopeGuard() noexcept { - if (!mDismissed) { - mFunc(); - } - } - - ScopeGuard(const ScopeGuard&) = delete; - ScopeGuard& operator=(const ScopeGuard&) = delete; - - ScopeGuard(ScopeGuard&& that) noexcept - : mFunc{ std::move(that.mFunc) } { - that.Cancel(); - } - - ScopeGuard& operator=(ScopeGuard&& that) noexcept { - if (!mDismissed) { - mFunc(); - } - this->mFunc = std::move(that.mFunc); - this->cancelled = std::exchange(that.cancelled, true); - } - - void Dismiss() noexcept { - mDismissed = true; - } -}; - -template -auto GuardDeletion(T* ptr) { - return ScopeGuard([ptr]() { - delete ptr; - }); -} - -#define SCOPE_GUARD(name) ScopeGuard name = [&]() -#define DEFER ScopeGuard UNIQUE_NAME(scopeGuard) = [&]() -- cgit v1.2.3-70-g09d2