diff --git a/projects/kiwano/kiwano.vcxproj b/projects/kiwano/kiwano.vcxproj
index a0ca2a9c..f7d520dd 100644
--- a/projects/kiwano/kiwano.vcxproj
+++ b/projects/kiwano/kiwano.vcxproj
@@ -23,6 +23,7 @@
+
diff --git a/projects/kiwano/kiwano.vcxproj.filters b/projects/kiwano/kiwano.vcxproj.filters
index 94ab0a18..7e28e439 100644
--- a/projects/kiwano/kiwano.vcxproj.filters
+++ b/projects/kiwano/kiwano.vcxproj.filters
@@ -354,6 +354,9 @@
base
+
+ core
+
diff --git a/src/kiwano/core/Defer.h b/src/kiwano/core/Defer.h
new file mode 100644
index 00000000..961c6c52
--- /dev/null
+++ b/src/kiwano/core/Defer.h
@@ -0,0 +1,69 @@
+// Copyright (c) 2016-2018 Kiwano - Nomango
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#pragma once
+#include
+
+namespace kiwano
+{
+
+class Defer
+{
+public:
+ Defer() = default;
+
+ Defer(const Function& func)
+ : func_(func)
+ {
+ }
+
+ Defer(Defer&& other) noexcept
+ : func_(other.func_)
+ {
+ other.func_ = nullptr;
+ }
+
+ ~Defer()
+ {
+ if (func_)
+ func_();
+ }
+
+private:
+ Defer(const Defer&) = delete;
+ Defer& operator=(const Defer&) = delete;
+
+ Function func_;
+};
+
+class __DeferHelper
+{
+public:
+ Defer operator-(const Function& func) const
+ {
+ return Defer{ func };
+ }
+};
+
+#define KGE_DEFER auto __KGE_DEFER_VAR(__defer_line_, __LINE__, __) = ::kiwano::__DeferHelper() -
+#define __KGE_DEFER_VAR(a, b, c) __KGE_DEFER_TOKEN_CONNECT(a, b, c)
+#define __KGE_DEFER_TOKEN_CONNECT(a, b, c) a##b##c
+
+} // namespace kiwano
diff --git a/src/kiwano/kiwano.h b/src/kiwano/kiwano.h
index 1bd37f0f..d4630520 100644
--- a/src/kiwano/kiwano.h
+++ b/src/kiwano/kiwano.h
@@ -44,6 +44,7 @@
//
#include
+#include
#include
#include
#include
diff --git a/src/kiwano/platform/Application.cpp b/src/kiwano/platform/Application.cpp
index 98921da9..a117aa31 100644
--- a/src/kiwano/platform/Application.cpp
+++ b/src/kiwano/platform/Application.cpp
@@ -19,11 +19,12 @@
// THE SOFTWARE.
#include
-#include
+#include
#include
#include
#include
#include
+#include
namespace kiwano
{
@@ -62,24 +63,11 @@ void Application::Run(RunnerPtr runner)
}
// Ensure resources are destroyed before exiting
- class DestroyHelper
+ KGE_DEFER[=]()
{
- Function f;
-
- public:
- DestroyHelper(Function f)
- : f(f)
- {
- }
-
- ~DestroyHelper()
- {
- f();
- }
+ this->Destroy();
};
- DestroyHelper helper([=]() { this->Destroy(); });
-
// Everything is ready
runner->OnReady();