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Diff: platform/FunctionPointer.h
- Revision:
- 149:156823d33999
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/platform/FunctionPointer.h Fri Oct 28 11:17:30 2016 +0100 @@ -0,0 +1,100 @@ +/* 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/toolchain.h" +#include <string.h> +#include <stdint.h> + +namespace mbed { +/** \addtogroup platform */ +/** @{*/ + + +// 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 has been replaced by Callback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 has been replaced by Callback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 { +public: + MBED_DEPRECATED_SINCE("mbed-os-5.1", + "FunctionPointer has been replaced by Callback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 + MBED_DEPRECATED_SINCE("mbed-os-5.1", + "FunctionPointer has been replaced by Callback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 + +/** @}*/