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mbed/platform/FunctionPointer.h@0:c88c3b616c00, 2020-03-16 (annotated)

Committer:
IKobayashi
Date:
Mon Mar 16 23:37:42 2020 +0900
Revision:
0:c88c3b616c00
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IKobayashi 0:c88c3b616c00 1 /* mbed Microcontroller Library
IKobayashi 0:c88c3b616c00 2 * Copyright (c) 2006-2015 ARM Limited
IKobayashi 0:c88c3b616c00 3 *
IKobayashi 0:c88c3b616c00 4 * Licensed under the Apache License, Version 2.0 (the "License");
IKobayashi 0:c88c3b616c00 5 * you may not use this file except in compliance with the License.
IKobayashi 0:c88c3b616c00 6 * You may obtain a copy of the License at
IKobayashi 0:c88c3b616c00 7 *
IKobayashi 0:c88c3b616c00 8 * http://www.apache.org/licenses/LICENSE-2.0
IKobayashi 0:c88c3b616c00 9 *
IKobayashi 0:c88c3b616c00 10 * Unless required by applicable law or agreed to in writing, software
IKobayashi 0:c88c3b616c00 11 * distributed under the License is distributed on an "AS IS" BASIS,
IKobayashi 0:c88c3b616c00 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
IKobayashi 0:c88c3b616c00 13 * See the License for the specific language governing permissions and
IKobayashi 0:c88c3b616c00 14 * limitations under the License.
IKobayashi 0:c88c3b616c00 15 */
IKobayashi 0:c88c3b616c00 16 #ifndef MBED_FUNCTIONPOINTER_H
IKobayashi 0:c88c3b616c00 17 #define MBED_FUNCTIONPOINTER_H
IKobayashi 0:c88c3b616c00 18
IKobayashi 0:c88c3b616c00 19 #include "platform/Callback.h"
IKobayashi 0:c88c3b616c00 20 #include "platform/toolchain.h"
IKobayashi 0:c88c3b616c00 21 #include <string.h>
IKobayashi 0:c88c3b616c00 22 #include <stdint.h>
IKobayashi 0:c88c3b616c00 23
IKobayashi 0:c88c3b616c00 24 namespace mbed {
IKobayashi 0:c88c3b616c00 25 /** \addtogroup platform */
IKobayashi 0:c88c3b616c00 26 /** @{*/
IKobayashi 0:c88c3b616c00 27
IKobayashi 0:c88c3b616c00 28
IKobayashi 0:c88c3b616c00 29 // Declarations for backwards compatibility
IKobayashi 0:c88c3b616c00 30 // To be foward compatible, code should adopt the Callback class
IKobayashi 0:c88c3b616c00 31 template <typename R, typename A1>
IKobayashi 0:c88c3b616c00 32 class FunctionPointerArg1 : public Callback<R(A1)> {
IKobayashi 0:c88c3b616c00 33 public:
IKobayashi 0:c88c3b616c00 34 MBED_DEPRECATED_SINCE("mbed-os-5.1",
IKobayashi 0:c88c3b616c00 35 "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
IKobayashi 0:c88c3b616c00 36 FunctionPointerArg1(R (*function)(A1) = 0)
IKobayashi 0:c88c3b616c00 37 : Callback<R(A1)>(function) {}
IKobayashi 0:c88c3b616c00 38
IKobayashi 0:c88c3b616c00 39 template<typename T>
IKobayashi 0:c88c3b616c00 40 MBED_DEPRECATED_SINCE("mbed-os-5.1",
IKobayashi 0:c88c3b616c00 41 "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
IKobayashi 0:c88c3b616c00 42 FunctionPointerArg1(T *object, R (T::*member)(A1))
IKobayashi 0:c88c3b616c00 43 : Callback<R(A1)>(object, member) {}
IKobayashi 0:c88c3b616c00 44
IKobayashi 0:c88c3b616c00 45 R (*get_function())(A1) {
IKobayashi 0:c88c3b616c00 46 return *reinterpret_cast<R (**)(A1)>(this);
IKobayashi 0:c88c3b616c00 47 }
IKobayashi 0:c88c3b616c00 48
IKobayashi 0:c88c3b616c00 49 R call(A1 a1) const {
IKobayashi 0:c88c3b616c00 50 if (!Callback<R(A1)>::operator bool()) {
IKobayashi 0:c88c3b616c00 51 return (R)0;
IKobayashi 0:c88c3b616c00 52 }
IKobayashi 0:c88c3b616c00 53
IKobayashi 0:c88c3b616c00 54 return Callback<R(A1)>::call(a1);
IKobayashi 0:c88c3b616c00 55 }
IKobayashi 0:c88c3b616c00 56
IKobayashi 0:c88c3b616c00 57 R operator()(A1 a1) const {
IKobayashi 0:c88c3b616c00 58 return Callback<R(A1)>::call(a1);
IKobayashi 0:c88c3b616c00 59 }
IKobayashi 0:c88c3b616c00 60 };
IKobayashi 0:c88c3b616c00 61
IKobayashi 0:c88c3b616c00 62 template <typename R>
IKobayashi 0:c88c3b616c00 63 class FunctionPointerArg1<R, void> : public Callback<R()> {
IKobayashi 0:c88c3b616c00 64 public:
IKobayashi 0:c88c3b616c00 65 MBED_DEPRECATED_SINCE("mbed-os-5.1",
IKobayashi 0:c88c3b616c00 66 "FunctionPointer has been replaced by Callback<void()>")
IKobayashi 0:c88c3b616c00 67 FunctionPointerArg1(R (*function)() = 0)
IKobayashi 0:c88c3b616c00 68 : Callback<R()>(function) {}
IKobayashi 0:c88c3b616c00 69
IKobayashi 0:c88c3b616c00 70 template<typename T>
IKobayashi 0:c88c3b616c00 71 MBED_DEPRECATED_SINCE("mbed-os-5.1",
IKobayashi 0:c88c3b616c00 72 "FunctionPointer has been replaced by Callback<void()>")
IKobayashi 0:c88c3b616c00 73 FunctionPointerArg1(T *object, R (T::*member)())
IKobayashi 0:c88c3b616c00 74 : Callback<R()>(object, member) {}
IKobayashi 0:c88c3b616c00 75
IKobayashi 0:c88c3b616c00 76 R (*get_function())() {
IKobayashi 0:c88c3b616c00 77 return *reinterpret_cast<R (**)()>(this);
IKobayashi 0:c88c3b616c00 78 }
IKobayashi 0:c88c3b616c00 79
IKobayashi 0:c88c3b616c00 80 R call() const {
IKobayashi 0:c88c3b616c00 81 if (!Callback<R()>::operator bool()) {
IKobayashi 0:c88c3b616c00 82 return (R)0;
IKobayashi 0:c88c3b616c00 83 }
IKobayashi 0:c88c3b616c00 84
IKobayashi 0:c88c3b616c00 85 return Callback<R()>::call();
IKobayashi 0:c88c3b616c00 86 }
IKobayashi 0:c88c3b616c00 87
IKobayashi 0:c88c3b616c00 88 R operator()() const {
IKobayashi 0:c88c3b616c00 89 return Callback<R()>::call();
IKobayashi 0:c88c3b616c00 90 }
IKobayashi 0:c88c3b616c00 91 };
IKobayashi 0:c88c3b616c00 92
IKobayashi 0:c88c3b616c00 93 typedef FunctionPointerArg1<void, void> FunctionPointer;
IKobayashi 0:c88c3b616c00 94
IKobayashi 0:c88c3b616c00 95
IKobayashi 0:c88c3b616c00 96 } // namespace mbed
IKobayashi 0:c88c3b616c00 97
IKobayashi 0:c88c3b616c00 98 #endif
IKobayashi 0:c88c3b616c00 99
IKobayashi 0:c88c3b616c00 100 /** @}*/