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mbed-dev/platform/FunctionPointer.h@1:d0dfbce63a89, 2017-02-24 (annotated)

Committer:
elmot
Date:
Fri Feb 24 21:13:56 2017 +0000
Revision:
1:d0dfbce63a89
Ready-to-copy

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elmot 1:d0dfbce63a89 1 /* mbed Microcontroller Library
elmot 1:d0dfbce63a89 2 * Copyright (c) 2006-2015 ARM Limited
elmot 1:d0dfbce63a89 3 *
elmot 1:d0dfbce63a89 4 * Licensed under the Apache License, Version 2.0 (the "License");
elmot 1:d0dfbce63a89 5 * you may not use this file except in compliance with the License.
elmot 1:d0dfbce63a89 6 * You may obtain a copy of the License at
elmot 1:d0dfbce63a89 7 *
elmot 1:d0dfbce63a89 8 * http://www.apache.org/licenses/LICENSE-2.0
elmot 1:d0dfbce63a89 9 *
elmot 1:d0dfbce63a89 10 * Unless required by applicable law or agreed to in writing, software
elmot 1:d0dfbce63a89 11 * distributed under the License is distributed on an "AS IS" BASIS,
elmot 1:d0dfbce63a89 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elmot 1:d0dfbce63a89 13 * See the License for the specific language governing permissions and
elmot 1:d0dfbce63a89 14 * limitations under the License.
elmot 1:d0dfbce63a89 15 */
elmot 1:d0dfbce63a89 16 #ifndef MBED_FUNCTIONPOINTER_H
elmot 1:d0dfbce63a89 17 #define MBED_FUNCTIONPOINTER_H
elmot 1:d0dfbce63a89 18
elmot 1:d0dfbce63a89 19 #include "platform/Callback.h"
elmot 1:d0dfbce63a89 20 #include "platform/toolchain.h"
elmot 1:d0dfbce63a89 21 #include <string.h>
elmot 1:d0dfbce63a89 22 #include <stdint.h>
elmot 1:d0dfbce63a89 23
elmot 1:d0dfbce63a89 24 namespace mbed {
elmot 1:d0dfbce63a89 25 /** \addtogroup platform */
elmot 1:d0dfbce63a89 26 /** @{*/
elmot 1:d0dfbce63a89 27
elmot 1:d0dfbce63a89 28
elmot 1:d0dfbce63a89 29 // Declarations for backwards compatibility
elmot 1:d0dfbce63a89 30 // To be foward compatible, code should adopt the Callback class
elmot 1:d0dfbce63a89 31 template <typename R, typename A1>
elmot 1:d0dfbce63a89 32 class FunctionPointerArg1 : public Callback<R(A1)> {
elmot 1:d0dfbce63a89 33 public:
elmot 1:d0dfbce63a89 34 MBED_DEPRECATED_SINCE("mbed-os-5.1",
elmot 1:d0dfbce63a89 35 "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
elmot 1:d0dfbce63a89 36 FunctionPointerArg1(R (*function)(A1) = 0)
elmot 1:d0dfbce63a89 37 : Callback<R(A1)>(function) {}
elmot 1:d0dfbce63a89 38
elmot 1:d0dfbce63a89 39 template<typename T>
elmot 1:d0dfbce63a89 40 MBED_DEPRECATED_SINCE("mbed-os-5.1",
elmot 1:d0dfbce63a89 41 "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
elmot 1:d0dfbce63a89 42 FunctionPointerArg1(T *object, R (T::*member)(A1))
elmot 1:d0dfbce63a89 43 : Callback<R(A1)>(object, member) {}
elmot 1:d0dfbce63a89 44
elmot 1:d0dfbce63a89 45 R (*get_function())(A1) {
elmot 1:d0dfbce63a89 46 return *reinterpret_cast<R (**)(A1)>(this);
elmot 1:d0dfbce63a89 47 }
elmot 1:d0dfbce63a89 48
elmot 1:d0dfbce63a89 49 R call(A1 a1) const {
elmot 1:d0dfbce63a89 50 if (!Callback<R(A1)>::operator bool()) {
elmot 1:d0dfbce63a89 51 return (R)0;
elmot 1:d0dfbce63a89 52 }
elmot 1:d0dfbce63a89 53
elmot 1:d0dfbce63a89 54 return Callback<R(A1)>::call(a1);
elmot 1:d0dfbce63a89 55 }
elmot 1:d0dfbce63a89 56
elmot 1:d0dfbce63a89 57 R operator()(A1 a1) const {
elmot 1:d0dfbce63a89 58 return Callback<R(A1)>::call(a1);
elmot 1:d0dfbce63a89 59 }
elmot 1:d0dfbce63a89 60 };
elmot 1:d0dfbce63a89 61
elmot 1:d0dfbce63a89 62 template <typename R>
elmot 1:d0dfbce63a89 63 class FunctionPointerArg1<R, void> : public Callback<R()> {
elmot 1:d0dfbce63a89 64 public:
elmot 1:d0dfbce63a89 65 MBED_DEPRECATED_SINCE("mbed-os-5.1",
elmot 1:d0dfbce63a89 66 "FunctionPointer has been replaced by Callback<void()>")
elmot 1:d0dfbce63a89 67 FunctionPointerArg1(R (*function)() = 0)
elmot 1:d0dfbce63a89 68 : Callback<R()>(function) {}
elmot 1:d0dfbce63a89 69
elmot 1:d0dfbce63a89 70 template<typename T>
elmot 1:d0dfbce63a89 71 MBED_DEPRECATED_SINCE("mbed-os-5.1",
elmot 1:d0dfbce63a89 72 "FunctionPointer has been replaced by Callback<void()>")
elmot 1:d0dfbce63a89 73 FunctionPointerArg1(T *object, R (T::*member)())
elmot 1:d0dfbce63a89 74 : Callback<R()>(object, member) {}
elmot 1:d0dfbce63a89 75
elmot 1:d0dfbce63a89 76 R (*get_function())() {
elmot 1:d0dfbce63a89 77 return *reinterpret_cast<R (**)()>(this);
elmot 1:d0dfbce63a89 78 }
elmot 1:d0dfbce63a89 79
elmot 1:d0dfbce63a89 80 R call() const {
elmot 1:d0dfbce63a89 81 if (!Callback<R()>::operator bool()) {
elmot 1:d0dfbce63a89 82 return (R)0;
elmot 1:d0dfbce63a89 83 }
elmot 1:d0dfbce63a89 84
elmot 1:d0dfbce63a89 85 return Callback<R()>::call();
elmot 1:d0dfbce63a89 86 }
elmot 1:d0dfbce63a89 87
elmot 1:d0dfbce63a89 88 R operator()() const {
elmot 1:d0dfbce63a89 89 return Callback<R()>::call();
elmot 1:d0dfbce63a89 90 }
elmot 1:d0dfbce63a89 91 };
elmot 1:d0dfbce63a89 92
elmot 1:d0dfbce63a89 93 typedef FunctionPointerArg1<void, void> FunctionPointer;
elmot 1:d0dfbce63a89 94
elmot 1:d0dfbce63a89 95
elmot 1:d0dfbce63a89 96 } // namespace mbed
elmot 1:d0dfbce63a89 97
elmot 1:d0dfbce63a89 98 #endif
elmot 1:d0dfbce63a89 99
elmot 1:d0dfbce63a89 100 /** @}*/