Diff: mbed-dev-master/platform/FunctionPointer.h

Revision:

0:bb348c97df44

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-dev-master/platform/FunctionPointer.h	Wed Sep 16 01:11:49 2020 +0000
@@ -0,0 +1,111 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2015 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_FUNCTIONPOINTER_H
+#define MBED_FUNCTIONPOINTER_H
+
+#include "platform/Callback.h"
+#include "platform/mbed_toolchain.h"
+#include <string.h>
+#include <stdint.h>
+
+namespace mbed {
+/** \addtogroup platform */
+/** @{*/
+/**
+ * \defgroup platform_FunctionPointer FunctionPointer class
+ * @{
+ */
+
+// Declarations for backwards compatibility
+// To be foward compatible, code should adopt the Callback class
+template <typename R, typename A1>
+class FunctionPointerArg1 : public Callback<R(A1)> {
+public:
+    MBED_DEPRECATED_SINCE("mbed-os-5.1",
+                          "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
+    FunctionPointerArg1(R(*function)(A1) = 0)
+        : Callback<R(A1)>(function) {}
+
+    template<typename T>
+    MBED_DEPRECATED_SINCE("mbed-os-5.1",
+                          "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
+    FunctionPointerArg1(T *object, R(T::*member)(A1))
+        : Callback<R(A1)>(object, member) {}
+
+    R(*get_function())(A1)
+    {
+        return *reinterpret_cast<R(* *)(A1)>(this);
+    }
+
+    R call(A1 a1) const
+    {
+        if (!Callback<R(A1)>::operator bool()) {
+            return (R)0;
+        }
+
+        return Callback<R(A1)>::call(a1);
+    }
+
+    R operator()(A1 a1) const
+    {
+        return Callback<R(A1)>::call(a1);
+    }
+};
+
+template <typename R>
+class FunctionPointerArg1<R, void> : public Callback<R()> {
+public:
+    MBED_DEPRECATED_SINCE("mbed-os-5.1",
+                          "FunctionPointer has been replaced by Callback<void()>")
+    FunctionPointerArg1(R(*function)() = 0)
+        : Callback<R()>(function) {}
+
+    template<typename T>
+    MBED_DEPRECATED_SINCE("mbed-os-5.1",
+                          "FunctionPointer has been replaced by Callback<void()>")
+    FunctionPointerArg1(T *object, R(T::*member)())
+        : Callback<R()>(object, member) {}
+
+    R(*get_function())()
+    {
+        return *reinterpret_cast<R(* *)()>(this);
+    }
+
+    R call() const
+    {
+        if (!Callback<R()>::operator bool()) {
+            return (R)0;
+        }
+
+        return Callback<R()>::call();
+    }
+
+    R operator()() const
+    {
+        return Callback<R()>::call();
+    }
+};
+
+typedef FunctionPointerArg1<void, void> FunctionPointer;
+
+/**@}*/
+
+/**@}*/
+
+
+} // namespace mbed
+
+#endif