FunctionPointer.h

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2015 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #ifndef MBED_FUNCTIONPOINTER_H
00017 #define MBED_FUNCTIONPOINTER_H
00018 
00019 #include "Callback.h"
00020 #include "toolchain.h"
00021 #include <string.h>
00022 #include <stdint.h>
00023 
00024 namespace mbed {
00025 
00026 
00027 // Declarations for backwards compatibility
00028 // To be foward compatible, code should adopt the Callback class
00029 template <typename R, typename A1>
00030 class FunctionPointerArg1 : public Callback<R(A1)> {
00031 public:
00032     MBED_DEPRECATED_SINCE("mbed-os-5.1",
00033         "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
00034     FunctionPointerArg1(R (*function)(A1) = 0)
00035         : Callback<R(A1)>(function) {}
00036 
00037     template<typename T>
00038     MBED_DEPRECATED_SINCE("mbed-os-5.1",
00039         "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
00040     FunctionPointerArg1(T *object, R (T::*member)(A1))
00041         : Callback<R(A1)>(object, member) {}
00042 
00043     R (*get_function())(A1) {
00044         return *reinterpret_cast<R (**)(A1)>(this);
00045     }
00046 };
00047 
00048 template <typename R>
00049 class FunctionPointerArg1<R, void> : public Callback<R()> {
00050 public:
00051     MBED_DEPRECATED_SINCE("mbed-os-5.1",
00052         "FunctionPointer has been replaced by Callback<void()>")
00053     FunctionPointerArg1(R (*function)() = 0)
00054         : Callback<R()>(function) {}
00055 
00056     template<typename T>
00057     MBED_DEPRECATED_SINCE("mbed-os-5.1",
00058         "FunctionPointer has been replaced by Callback<void()>")
00059     FunctionPointerArg1(T *object, R (T::*member)())
00060         : Callback<R()>(object, member) {}
00061 
00062     R (*get_function())() {
00063         return *reinterpret_cast<R (**)()>(this);
00064     }
00065 };
00066 
00067 typedef FunctionPointerArg1<void, void> FunctionPointer;
00068 
00069 
00070 } // namespace mbed
00071 
00072 #endif