Toyomasa Watarai
Describes predefine macros for mbed online compiler (armcc)
Diff: mbed/platform/Callback.h
- Revision:
- 6:40e873bbc5f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed/platform/Callback.h Thu Mar 16 21:58:09 2017 +0900
@@ -0,0 +1,4654 @@
+/* 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_CALLBACK_H
+#define MBED_CALLBACK_H
+
+#include <string.h>
+#include <stdint.h>
+#include <new>
+#include "platform/mbed_assert.h"
+#include "platform/mbed_toolchain.h"
+
+namespace mbed {
+/** \addtogroup platform */
+/** @{*/
+
+
+/** Callback class based on template specialization
+ *
+ * @Note Synchronization level: Not protected
+ */
+template <typename F>
+class Callback;
+
+// Internal sfinae declarations
+//
+// These are used to eliminate overloads based on type attributes
+// 1. Does a function object have a call operator
+// 2. Does a function object fit in the available storage
+//
+// These eliminations are handled cleanly by the compiler and avoid
+// massive and misleading error messages when confronted with an
+// invalid type (or worse, runtime failures)
+namespace detail {
+ struct nil {};
+
+ template <bool B, typename R = nil>
+ struct enable_if { typedef R type; };
+
+ template <typename R>
+ struct enable_if<false, R> {};
+
+ template <typename M, M>
+ struct is_type {
+ static const bool value = true;
+ };
+}
+
+/** Callback class based on template specialization
+ *
+ * @Note Synchronization level: Not protected
+ */
+template <typename R>
+class Callback<R()> {
+public:
+ /** Create a Callback with a static function
+ * @param func Static function to attach
+ */
+ Callback(R (*func)() = 0) {
+ if (!func) {
+ _ops = 0;
+ } else {
+ generate(func);
+ }
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ */
+ Callback(const Callback<R()> &func) {
+ if (func._ops) {
+ func._ops->move(this, &func);
+ }
+ _ops = func._ops;
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(U *obj, R (T::*method)()) {
+ generate(method_context<T, R (T::*)()>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const U *obj, R (T::*method)() const) {
+ generate(method_context<const T, R (T::*)() const>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(volatile U *obj, R (T::*method)() volatile) {
+ generate(method_context<volatile T, R (T::*)() volatile>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const volatile U *obj, R (T::*method)() const volatile) {
+ generate(method_context<const volatile T, R (T::*)() const volatile>(obj, method));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(T*), U *arg) {
+ generate(function_context<R (*)(T*), T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const T*), const U *arg) {
+ generate(function_context<R (*)(const T*), const T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(volatile T*), volatile U *arg) {
+ generate(function_context<R (*)(volatile T*), volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const volatile T*), const volatile U *arg) {
+ generate(function_context<R (*)(const volatile T*), const volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)() const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)() volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)() const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(U *obj, R (*func)(T*)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const U *obj, R (*func)(const T*)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(volatile U *obj, R (*func)(volatile T*)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const volatile U *obj, R (*func)(const volatile T*)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Destroy a callback
+ */
+ ~Callback() {
+ if (_ops) {
+ _ops->dtor(this);
+ }
+ }
+
+ /** Attach a static function
+ * @param func Static function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)()) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const Callback<R()> &func) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(U *obj, R (T::*method)()) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const U *obj, R (T::*method)() const) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile U *obj, R (T::*method)() volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile U *obj, R (T::*method)() const volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(T*), U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const T*), const U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(volatile T*), volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const volatile T*), const volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)() const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)() volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)() const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(U *obj, R (*func)(T*)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const U *obj, R (*func)(const T*)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(volatile U *obj, R (*func)(volatile T*)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const volatile U *obj, R (*func)(const volatile T*)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Assign a callback
+ */
+ Callback &operator=(const Callback &that) {
+ if (this != &that) {
+ this->~Callback();
+ new (this) Callback(that);
+ }
+
+ return *this;
+ }
+
+ /** Call the attached function
+ */
+ R call() const {
+ MBED_ASSERT(_ops);
+ return _ops->call(this);
+ }
+
+ /** Call the attached function
+ */
+ R operator()() const {
+ return call();
+ }
+
+ /** Test if function has been attached
+ */
+ operator bool() const {
+ return _ops;
+ }
+
+ /** Test for equality
+ */
+ friend bool operator==(const Callback &l, const Callback &r) {
+ return memcmp(&l, &r, sizeof(Callback)) == 0;
+ }
+
+ /** Test for inequality
+ */
+ friend bool operator!=(const Callback &l, const Callback &r) {
+ return !(l == r);
+ }
+
+ /** Static thunk for passing as C-style function
+ * @param func Callback to call passed as void pointer
+ */
+ static R thunk(void *func) {
+ return static_cast<Callback*>(func)->call();
+ }
+
+private:
+ // Stored as pointer to function and pointer to optional object
+ // Function pointer is stored as union of possible function types
+ // to garuntee proper size and alignment
+ struct _class;
+ union {
+ void (*_staticfunc)();
+ void (*_boundfunc)(_class*);
+ void (_class::*_methodfunc)();
+ } _func;
+ void *_obj;
+
+ // Dynamically dispatched operations
+ const struct ops {
+ R (*call)(const void*);
+ void (*move)(void*, const void*);
+ void (*dtor)(void*);
+ } *_ops;
+
+ // Generate operations for function object
+ template <typename F>
+ void generate(const F &f) {
+ static const ops ops = {
+ &Callback::function_call<F>,
+ &Callback::function_move<F>,
+ &Callback::function_dtor<F>,
+ };
+
+ MBED_STATIC_ASSERT(sizeof(Callback) - sizeof(_ops) >= sizeof(F),
+ "Type F must not exceed the size of the Callback class");
+ new (this) F(f);
+ _ops = &ops;
+ }
+
+ // Function attributes
+ template <typename F>
+ static R function_call(const void *p) {
+ return (*(F*)p)();
+ }
+
+ template <typename F>
+ static void function_move(void *d, const void *p) {
+ new (d) F(*(F*)p);
+ }
+
+ template <typename F>
+ static void function_dtor(void *p) {
+ ((F*)p)->~F();
+ }
+
+ // Wrappers for functions with context
+ template <typename O, typename M>
+ struct method_context {
+ M method;
+ O *obj;
+
+ method_context(O *obj, M method)
+ : method(method), obj(obj) {}
+
+ R operator()() const {
+ return (obj->*method)();
+ }
+ };
+
+ template <typename F, typename A>
+ struct function_context {
+ F func;
+ A *arg;
+
+ function_context(F func, A *arg)
+ : func(func), arg(arg) {}
+
+ R operator()() const {
+ return func(arg);
+ }
+ };
+};
+
+/** Callback class based on template specialization
+ *
+ * @Note Synchronization level: Not protected
+ */
+template <typename R, typename A0>
+class Callback<R(A0)> {
+public:
+ /** Create a Callback with a static function
+ * @param func Static function to attach
+ */
+ Callback(R (*func)(A0) = 0) {
+ if (!func) {
+ _ops = 0;
+ } else {
+ generate(func);
+ }
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ */
+ Callback(const Callback<R(A0)> &func) {
+ if (func._ops) {
+ func._ops->move(this, &func);
+ }
+ _ops = func._ops;
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(U *obj, R (T::*method)(A0)) {
+ generate(method_context<T, R (T::*)(A0)>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const U *obj, R (T::*method)(A0) const) {
+ generate(method_context<const T, R (T::*)(A0) const>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(volatile U *obj, R (T::*method)(A0) volatile) {
+ generate(method_context<volatile T, R (T::*)(A0) volatile>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const volatile U *obj, R (T::*method)(A0) const volatile) {
+ generate(method_context<const volatile T, R (T::*)(A0) const volatile>(obj, method));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(T*, A0), U *arg) {
+ generate(function_context<R (*)(T*, A0), T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const T*, A0), const U *arg) {
+ generate(function_context<R (*)(const T*, A0), const T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(volatile T*, A0), volatile U *arg) {
+ generate(function_context<R (*)(volatile T*, A0), volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const volatile T*, A0), const volatile U *arg) {
+ generate(function_context<R (*)(const volatile T*, A0), const volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0) const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0) volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0) const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(U *obj, R (*func)(T*, A0)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const U *obj, R (*func)(const T*, A0)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(volatile U *obj, R (*func)(volatile T*, A0)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const volatile U *obj, R (*func)(const volatile T*, A0)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Destroy a callback
+ */
+ ~Callback() {
+ if (_ops) {
+ _ops->dtor(this);
+ }
+ }
+
+ /** Attach a static function
+ * @param func Static function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(A0)) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const Callback<R(A0)> &func) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(U *obj, R (T::*method)(A0)) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const U *obj, R (T::*method)(A0) const) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile U *obj, R (T::*method)(A0) volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile U *obj, R (T::*method)(A0) const volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(T*, A0), U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const T*, A0), const U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(volatile T*, A0), volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const volatile T*, A0), const volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0) const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0) volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0) const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(U *obj, R (*func)(T*, A0)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const U *obj, R (*func)(const T*, A0)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(volatile U *obj, R (*func)(volatile T*, A0)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const volatile U *obj, R (*func)(const volatile T*, A0)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Assign a callback
+ */
+ Callback &operator=(const Callback &that) {
+ if (this != &that) {
+ this->~Callback();
+ new (this) Callback(that);
+ }
+
+ return *this;
+ }
+
+ /** Call the attached function
+ */
+ R call(A0 a0) const {
+ MBED_ASSERT(_ops);
+ return _ops->call(this, a0);
+ }
+
+ /** Call the attached function
+ */
+ R operator()(A0 a0) const {
+ return call(a0);
+ }
+
+ /** Test if function has been attached
+ */
+ operator bool() const {
+ return _ops;
+ }
+
+ /** Test for equality
+ */
+ friend bool operator==(const Callback &l, const Callback &r) {
+ return memcmp(&l, &r, sizeof(Callback)) == 0;
+ }
+
+ /** Test for inequality
+ */
+ friend bool operator!=(const Callback &l, const Callback &r) {
+ return !(l == r);
+ }
+
+ /** Static thunk for passing as C-style function
+ * @param func Callback to call passed as void pointer
+ */
+ static R thunk(void *func, A0 a0) {
+ return static_cast<Callback*>(func)->call(a0);
+ }
+
+private:
+ // Stored as pointer to function and pointer to optional object
+ // Function pointer is stored as union of possible function types
+ // to garuntee proper size and alignment
+ struct _class;
+ union {
+ void (*_staticfunc)(A0);
+ void (*_boundfunc)(_class*, A0);
+ void (_class::*_methodfunc)(A0);
+ } _func;
+ void *_obj;
+
+ // Dynamically dispatched operations
+ const struct ops {
+ R (*call)(const void*, A0);
+ void (*move)(void*, const void*);
+ void (*dtor)(void*);
+ } *_ops;
+
+ // Generate operations for function object
+ template <typename F>
+ void generate(const F &f) {
+ static const ops ops = {
+ &Callback::function_call<F>,
+ &Callback::function_move<F>,
+ &Callback::function_dtor<F>,
+ };
+
+ MBED_STATIC_ASSERT(sizeof(Callback) - sizeof(_ops) >= sizeof(F),
+ "Type F must not exceed the size of the Callback class");
+ new (this) F(f);
+ _ops = &ops;
+ }
+
+ // Function attributes
+ template <typename F>
+ static R function_call(const void *p, A0 a0) {
+ return (*(F*)p)(a0);
+ }
+
+ template <typename F>
+ static void function_move(void *d, const void *p) {
+ new (d) F(*(F*)p);
+ }
+
+ template <typename F>
+ static void function_dtor(void *p) {
+ ((F*)p)->~F();
+ }
+
+ // Wrappers for functions with context
+ template <typename O, typename M>
+ struct method_context {
+ M method;
+ O *obj;
+
+ method_context(O *obj, M method)
+ : method(method), obj(obj) {}
+
+ R operator()(A0 a0) const {
+ return (obj->*method)(a0);
+ }
+ };
+
+ template <typename F, typename A>
+ struct function_context {
+ F func;
+ A *arg;
+
+ function_context(F func, A *arg)
+ : func(func), arg(arg) {}
+
+ R operator()(A0 a0) const {
+ return func(arg, a0);
+ }
+ };
+};
+
+/** Callback class based on template specialization
+ *
+ * @Note Synchronization level: Not protected
+ */
+template <typename R, typename A0, typename A1>
+class Callback<R(A0, A1)> {
+public:
+ /** Create a Callback with a static function
+ * @param func Static function to attach
+ */
+ Callback(R (*func)(A0, A1) = 0) {
+ if (!func) {
+ _ops = 0;
+ } else {
+ generate(func);
+ }
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ */
+ Callback(const Callback<R(A0, A1)> &func) {
+ if (func._ops) {
+ func._ops->move(this, &func);
+ }
+ _ops = func._ops;
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(U *obj, R (T::*method)(A0, A1)) {
+ generate(method_context<T, R (T::*)(A0, A1)>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const U *obj, R (T::*method)(A0, A1) const) {
+ generate(method_context<const T, R (T::*)(A0, A1) const>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(volatile U *obj, R (T::*method)(A0, A1) volatile) {
+ generate(method_context<volatile T, R (T::*)(A0, A1) volatile>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const volatile U *obj, R (T::*method)(A0, A1) const volatile) {
+ generate(method_context<const volatile T, R (T::*)(A0, A1) const volatile>(obj, method));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(T*, A0, A1), U *arg) {
+ generate(function_context<R (*)(T*, A0, A1), T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const T*, A0, A1), const U *arg) {
+ generate(function_context<R (*)(const T*, A0, A1), const T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(volatile T*, A0, A1), volatile U *arg) {
+ generate(function_context<R (*)(volatile T*, A0, A1), volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const volatile T*, A0, A1), const volatile U *arg) {
+ generate(function_context<R (*)(const volatile T*, A0, A1), const volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1) const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1) volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1) const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(U *obj, R (*func)(T*, A0, A1)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const U *obj, R (*func)(const T*, A0, A1)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(volatile U *obj, R (*func)(volatile T*, A0, A1)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const volatile U *obj, R (*func)(const volatile T*, A0, A1)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Destroy a callback
+ */
+ ~Callback() {
+ if (_ops) {
+ _ops->dtor(this);
+ }
+ }
+
+ /** Attach a static function
+ * @param func Static function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(A0, A1)) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const Callback<R(A0, A1)> &func) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(U *obj, R (T::*method)(A0, A1)) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const U *obj, R (T::*method)(A0, A1) const) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile U *obj, R (T::*method)(A0, A1) volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile U *obj, R (T::*method)(A0, A1) const volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(T*, A0, A1), U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const T*, A0, A1), const U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(volatile T*, A0, A1), volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const volatile T*, A0, A1), const volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1) const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1) volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1) const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(U *obj, R (*func)(T*, A0, A1)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const U *obj, R (*func)(const T*, A0, A1)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(volatile U *obj, R (*func)(volatile T*, A0, A1)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const volatile U *obj, R (*func)(const volatile T*, A0, A1)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Assign a callback
+ */
+ Callback &operator=(const Callback &that) {
+ if (this != &that) {
+ this->~Callback();
+ new (this) Callback(that);
+ }
+
+ return *this;
+ }
+
+ /** Call the attached function
+ */
+ R call(A0 a0, A1 a1) const {
+ MBED_ASSERT(_ops);
+ return _ops->call(this, a0, a1);
+ }
+
+ /** Call the attached function
+ */
+ R operator()(A0 a0, A1 a1) const {
+ return call(a0, a1);
+ }
+
+ /** Test if function has been attached
+ */
+ operator bool() const {
+ return _ops;
+ }
+
+ /** Test for equality
+ */
+ friend bool operator==(const Callback &l, const Callback &r) {
+ return memcmp(&l, &r, sizeof(Callback)) == 0;
+ }
+
+ /** Test for inequality
+ */
+ friend bool operator!=(const Callback &l, const Callback &r) {
+ return !(l == r);
+ }
+
+ /** Static thunk for passing as C-style function
+ * @param func Callback to call passed as void pointer
+ */
+ static R thunk(void *func, A0 a0, A1 a1) {
+ return static_cast<Callback*>(func)->call(a0, a1);
+ }
+
+private:
+ // Stored as pointer to function and pointer to optional object
+ // Function pointer is stored as union of possible function types
+ // to garuntee proper size and alignment
+ struct _class;
+ union {
+ void (*_staticfunc)(A0, A1);
+ void (*_boundfunc)(_class*, A0, A1);
+ void (_class::*_methodfunc)(A0, A1);
+ } _func;
+ void *_obj;
+
+ // Dynamically dispatched operations
+ const struct ops {
+ R (*call)(const void*, A0, A1);
+ void (*move)(void*, const void*);
+ void (*dtor)(void*);
+ } *_ops;
+
+ // Generate operations for function object
+ template <typename F>
+ void generate(const F &f) {
+ static const ops ops = {
+ &Callback::function_call<F>,
+ &Callback::function_move<F>,
+ &Callback::function_dtor<F>,
+ };
+
+ MBED_STATIC_ASSERT(sizeof(Callback) - sizeof(_ops) >= sizeof(F),
+ "Type F must not exceed the size of the Callback class");
+ new (this) F(f);
+ _ops = &ops;
+ }
+
+ // Function attributes
+ template <typename F>
+ static R function_call(const void *p, A0 a0, A1 a1) {
+ return (*(F*)p)(a0, a1);
+ }
+
+ template <typename F>
+ static void function_move(void *d, const void *p) {
+ new (d) F(*(F*)p);
+ }
+
+ template <typename F>
+ static void function_dtor(void *p) {
+ ((F*)p)->~F();
+ }
+
+ // Wrappers for functions with context
+ template <typename O, typename M>
+ struct method_context {
+ M method;
+ O *obj;
+
+ method_context(O *obj, M method)
+ : method(method), obj(obj) {}
+
+ R operator()(A0 a0, A1 a1) const {
+ return (obj->*method)(a0, a1);
+ }
+ };
+
+ template <typename F, typename A>
+ struct function_context {
+ F func;
+ A *arg;
+
+ function_context(F func, A *arg)
+ : func(func), arg(arg) {}
+
+ R operator()(A0 a0, A1 a1) const {
+ return func(arg, a0, a1);
+ }
+ };
+};
+
+/** Callback class based on template specialization
+ *
+ * @Note Synchronization level: Not protected
+ */
+template <typename R, typename A0, typename A1, typename A2>
+class Callback<R(A0, A1, A2)> {
+public:
+ /** Create a Callback with a static function
+ * @param func Static function to attach
+ */
+ Callback(R (*func)(A0, A1, A2) = 0) {
+ if (!func) {
+ _ops = 0;
+ } else {
+ generate(func);
+ }
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ */
+ Callback(const Callback<R(A0, A1, A2)> &func) {
+ if (func._ops) {
+ func._ops->move(this, &func);
+ }
+ _ops = func._ops;
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(U *obj, R (T::*method)(A0, A1, A2)) {
+ generate(method_context<T, R (T::*)(A0, A1, A2)>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const U *obj, R (T::*method)(A0, A1, A2) const) {
+ generate(method_context<const T, R (T::*)(A0, A1, A2) const>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(volatile U *obj, R (T::*method)(A0, A1, A2) volatile) {
+ generate(method_context<volatile T, R (T::*)(A0, A1, A2) volatile>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const volatile U *obj, R (T::*method)(A0, A1, A2) const volatile) {
+ generate(method_context<const volatile T, R (T::*)(A0, A1, A2) const volatile>(obj, method));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(T*, A0, A1, A2), U *arg) {
+ generate(function_context<R (*)(T*, A0, A1, A2), T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const T*, A0, A1, A2), const U *arg) {
+ generate(function_context<R (*)(const T*, A0, A1, A2), const T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(volatile T*, A0, A1, A2), volatile U *arg) {
+ generate(function_context<R (*)(volatile T*, A0, A1, A2), volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const volatile T*, A0, A1, A2), const volatile U *arg) {
+ generate(function_context<R (*)(const volatile T*, A0, A1, A2), const volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2) const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2) volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2) const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(U *obj, R (*func)(T*, A0, A1, A2)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const U *obj, R (*func)(const T*, A0, A1, A2)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(volatile U *obj, R (*func)(volatile T*, A0, A1, A2)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const volatile U *obj, R (*func)(const volatile T*, A0, A1, A2)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Destroy a callback
+ */
+ ~Callback() {
+ if (_ops) {
+ _ops->dtor(this);
+ }
+ }
+
+ /** Attach a static function
+ * @param func Static function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(A0, A1, A2)) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const Callback<R(A0, A1, A2)> &func) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(U *obj, R (T::*method)(A0, A1, A2)) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const U *obj, R (T::*method)(A0, A1, A2) const) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile U *obj, R (T::*method)(A0, A1, A2) volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile U *obj, R (T::*method)(A0, A1, A2) const volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(T*, A0, A1, A2), U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const T*, A0, A1, A2), const U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(volatile T*, A0, A1, A2), volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const volatile T*, A0, A1, A2), const volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2) const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2) volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2) const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(U *obj, R (*func)(T*, A0, A1, A2)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const U *obj, R (*func)(const T*, A0, A1, A2)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(volatile U *obj, R (*func)(volatile T*, A0, A1, A2)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const volatile U *obj, R (*func)(const volatile T*, A0, A1, A2)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Assign a callback
+ */
+ Callback &operator=(const Callback &that) {
+ if (this != &that) {
+ this->~Callback();
+ new (this) Callback(that);
+ }
+
+ return *this;
+ }
+
+ /** Call the attached function
+ */
+ R call(A0 a0, A1 a1, A2 a2) const {
+ MBED_ASSERT(_ops);
+ return _ops->call(this, a0, a1, a2);
+ }
+
+ /** Call the attached function
+ */
+ R operator()(A0 a0, A1 a1, A2 a2) const {
+ return call(a0, a1, a2);
+ }
+
+ /** Test if function has been attached
+ */
+ operator bool() const {
+ return _ops;
+ }
+
+ /** Test for equality
+ */
+ friend bool operator==(const Callback &l, const Callback &r) {
+ return memcmp(&l, &r, sizeof(Callback)) == 0;
+ }
+
+ /** Test for inequality
+ */
+ friend bool operator!=(const Callback &l, const Callback &r) {
+ return !(l == r);
+ }
+
+ /** Static thunk for passing as C-style function
+ * @param func Callback to call passed as void pointer
+ */
+ static R thunk(void *func, A0 a0, A1 a1, A2 a2) {
+ return static_cast<Callback*>(func)->call(a0, a1, a2);
+ }
+
+private:
+ // Stored as pointer to function and pointer to optional object
+ // Function pointer is stored as union of possible function types
+ // to garuntee proper size and alignment
+ struct _class;
+ union {
+ void (*_staticfunc)(A0, A1, A2);
+ void (*_boundfunc)(_class*, A0, A1, A2);
+ void (_class::*_methodfunc)(A0, A1, A2);
+ } _func;
+ void *_obj;
+
+ // Dynamically dispatched operations
+ const struct ops {
+ R (*call)(const void*, A0, A1, A2);
+ void (*move)(void*, const void*);
+ void (*dtor)(void*);
+ } *_ops;
+
+ // Generate operations for function object
+ template <typename F>
+ void generate(const F &f) {
+ static const ops ops = {
+ &Callback::function_call<F>,
+ &Callback::function_move<F>,
+ &Callback::function_dtor<F>,
+ };
+
+ MBED_STATIC_ASSERT(sizeof(Callback) - sizeof(_ops) >= sizeof(F),
+ "Type F must not exceed the size of the Callback class");
+ new (this) F(f);
+ _ops = &ops;
+ }
+
+ // Function attributes
+ template <typename F>
+ static R function_call(const void *p, A0 a0, A1 a1, A2 a2) {
+ return (*(F*)p)(a0, a1, a2);
+ }
+
+ template <typename F>
+ static void function_move(void *d, const void *p) {
+ new (d) F(*(F*)p);
+ }
+
+ template <typename F>
+ static void function_dtor(void *p) {
+ ((F*)p)->~F();
+ }
+
+ // Wrappers for functions with context
+ template <typename O, typename M>
+ struct method_context {
+ M method;
+ O *obj;
+
+ method_context(O *obj, M method)
+ : method(method), obj(obj) {}
+
+ R operator()(A0 a0, A1 a1, A2 a2) const {
+ return (obj->*method)(a0, a1, a2);
+ }
+ };
+
+ template <typename F, typename A>
+ struct function_context {
+ F func;
+ A *arg;
+
+ function_context(F func, A *arg)
+ : func(func), arg(arg) {}
+
+ R operator()(A0 a0, A1 a1, A2 a2) const {
+ return func(arg, a0, a1, a2);
+ }
+ };
+};
+
+/** Callback class based on template specialization
+ *
+ * @Note Synchronization level: Not protected
+ */
+template <typename R, typename A0, typename A1, typename A2, typename A3>
+class Callback<R(A0, A1, A2, A3)> {
+public:
+ /** Create a Callback with a static function
+ * @param func Static function to attach
+ */
+ Callback(R (*func)(A0, A1, A2, A3) = 0) {
+ if (!func) {
+ _ops = 0;
+ } else {
+ generate(func);
+ }
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ */
+ Callback(const Callback<R(A0, A1, A2, A3)> &func) {
+ if (func._ops) {
+ func._ops->move(this, &func);
+ }
+ _ops = func._ops;
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(U *obj, R (T::*method)(A0, A1, A2, A3)) {
+ generate(method_context<T, R (T::*)(A0, A1, A2, A3)>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const U *obj, R (T::*method)(A0, A1, A2, A3) const) {
+ generate(method_context<const T, R (T::*)(A0, A1, A2, A3) const>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(volatile U *obj, R (T::*method)(A0, A1, A2, A3) volatile) {
+ generate(method_context<volatile T, R (T::*)(A0, A1, A2, A3) volatile>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const volatile U *obj, R (T::*method)(A0, A1, A2, A3) const volatile) {
+ generate(method_context<const volatile T, R (T::*)(A0, A1, A2, A3) const volatile>(obj, method));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(T*, A0, A1, A2, A3), U *arg) {
+ generate(function_context<R (*)(T*, A0, A1, A2, A3), T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const T*, A0, A1, A2, A3), const U *arg) {
+ generate(function_context<R (*)(const T*, A0, A1, A2, A3), const T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(volatile T*, A0, A1, A2, A3), volatile U *arg) {
+ generate(function_context<R (*)(volatile T*, A0, A1, A2, A3), volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const volatile T*, A0, A1, A2, A3), const volatile U *arg) {
+ generate(function_context<R (*)(const volatile T*, A0, A1, A2, A3), const volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3) const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3) volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3) const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(U *obj, R (*func)(T*, A0, A1, A2, A3)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const U *obj, R (*func)(const T*, A0, A1, A2, A3)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(volatile U *obj, R (*func)(volatile T*, A0, A1, A2, A3)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const volatile U *obj, R (*func)(const volatile T*, A0, A1, A2, A3)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Destroy a callback
+ */
+ ~Callback() {
+ if (_ops) {
+ _ops->dtor(this);
+ }
+ }
+
+ /** Attach a static function
+ * @param func Static function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(A0, A1, A2, A3)) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const Callback<R(A0, A1, A2, A3)> &func) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(U *obj, R (T::*method)(A0, A1, A2, A3)) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const U *obj, R (T::*method)(A0, A1, A2, A3) const) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile U *obj, R (T::*method)(A0, A1, A2, A3) volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile U *obj, R (T::*method)(A0, A1, A2, A3) const volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(T*, A0, A1, A2, A3), U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const T*, A0, A1, A2, A3), const U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(volatile T*, A0, A1, A2, A3), volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const volatile T*, A0, A1, A2, A3), const volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3) const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3) volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3) const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(U *obj, R (*func)(T*, A0, A1, A2, A3)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const U *obj, R (*func)(const T*, A0, A1, A2, A3)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(volatile U *obj, R (*func)(volatile T*, A0, A1, A2, A3)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const volatile U *obj, R (*func)(const volatile T*, A0, A1, A2, A3)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Assign a callback
+ */
+ Callback &operator=(const Callback &that) {
+ if (this != &that) {
+ this->~Callback();
+ new (this) Callback(that);
+ }
+
+ return *this;
+ }
+
+ /** Call the attached function
+ */
+ R call(A0 a0, A1 a1, A2 a2, A3 a3) const {
+ MBED_ASSERT(_ops);
+ return _ops->call(this, a0, a1, a2, a3);
+ }
+
+ /** Call the attached function
+ */
+ R operator()(A0 a0, A1 a1, A2 a2, A3 a3) const {
+ return call(a0, a1, a2, a3);
+ }
+
+ /** Test if function has been attached
+ */
+ operator bool() const {
+ return _ops;
+ }
+
+ /** Test for equality
+ */
+ friend bool operator==(const Callback &l, const Callback &r) {
+ return memcmp(&l, &r, sizeof(Callback)) == 0;
+ }
+
+ /** Test for inequality
+ */
+ friend bool operator!=(const Callback &l, const Callback &r) {
+ return !(l == r);
+ }
+
+ /** Static thunk for passing as C-style function
+ * @param func Callback to call passed as void pointer
+ */
+ static R thunk(void *func, A0 a0, A1 a1, A2 a2, A3 a3) {
+ return static_cast<Callback*>(func)->call(a0, a1, a2, a3);
+ }
+
+private:
+ // Stored as pointer to function and pointer to optional object
+ // Function pointer is stored as union of possible function types
+ // to garuntee proper size and alignment
+ struct _class;
+ union {
+ void (*_staticfunc)(A0, A1, A2, A3);
+ void (*_boundfunc)(_class*, A0, A1, A2, A3);
+ void (_class::*_methodfunc)(A0, A1, A2, A3);
+ } _func;
+ void *_obj;
+
+ // Dynamically dispatched operations
+ const struct ops {
+ R (*call)(const void*, A0, A1, A2, A3);
+ void (*move)(void*, const void*);
+ void (*dtor)(void*);
+ } *_ops;
+
+ // Generate operations for function object
+ template <typename F>
+ void generate(const F &f) {
+ static const ops ops = {
+ &Callback::function_call<F>,
+ &Callback::function_move<F>,
+ &Callback::function_dtor<F>,
+ };
+
+ MBED_STATIC_ASSERT(sizeof(Callback) - sizeof(_ops) >= sizeof(F),
+ "Type F must not exceed the size of the Callback class");
+ new (this) F(f);
+ _ops = &ops;
+ }
+
+ // Function attributes
+ template <typename F>
+ static R function_call(const void *p, A0 a0, A1 a1, A2 a2, A3 a3) {
+ return (*(F*)p)(a0, a1, a2, a3);
+ }
+
+ template <typename F>
+ static void function_move(void *d, const void *p) {
+ new (d) F(*(F*)p);
+ }
+
+ template <typename F>
+ static void function_dtor(void *p) {
+ ((F*)p)->~F();
+ }
+
+ // Wrappers for functions with context
+ template <typename O, typename M>
+ struct method_context {
+ M method;
+ O *obj;
+
+ method_context(O *obj, M method)
+ : method(method), obj(obj) {}
+
+ R operator()(A0 a0, A1 a1, A2 a2, A3 a3) const {
+ return (obj->*method)(a0, a1, a2, a3);
+ }
+ };
+
+ template <typename F, typename A>
+ struct function_context {
+ F func;
+ A *arg;
+
+ function_context(F func, A *arg)
+ : func(func), arg(arg) {}
+
+ R operator()(A0 a0, A1 a1, A2 a2, A3 a3) const {
+ return func(arg, a0, a1, a2, a3);
+ }
+ };
+};
+
+/** Callback class based on template specialization
+ *
+ * @Note Synchronization level: Not protected
+ */
+template <typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+class Callback<R(A0, A1, A2, A3, A4)> {
+public:
+ /** Create a Callback with a static function
+ * @param func Static function to attach
+ */
+ Callback(R (*func)(A0, A1, A2, A3, A4) = 0) {
+ if (!func) {
+ _ops = 0;
+ } else {
+ generate(func);
+ }
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ */
+ Callback(const Callback<R(A0, A1, A2, A3, A4)> &func) {
+ if (func._ops) {
+ func._ops->move(this, &func);
+ }
+ _ops = func._ops;
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(U *obj, R (T::*method)(A0, A1, A2, A3, A4)) {
+ generate(method_context<T, R (T::*)(A0, A1, A2, A3, A4)>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const U *obj, R (T::*method)(A0, A1, A2, A3, A4) const) {
+ generate(method_context<const T, R (T::*)(A0, A1, A2, A3, A4) const>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(volatile U *obj, R (T::*method)(A0, A1, A2, A3, A4) volatile) {
+ generate(method_context<volatile T, R (T::*)(A0, A1, A2, A3, A4) volatile>(obj, method));
+ }
+
+ /** Create a Callback with a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ */
+ template<typename T, typename U>
+ Callback(const volatile U *obj, R (T::*method)(A0, A1, A2, A3, A4) const volatile) {
+ generate(method_context<const volatile T, R (T::*)(A0, A1, A2, A3, A4) const volatile>(obj, method));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(T*, A0, A1, A2, A3, A4), U *arg) {
+ generate(function_context<R (*)(T*, A0, A1, A2, A3, A4), T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const T*, A0, A1, A2, A3, A4), const U *arg) {
+ generate(function_context<R (*)(const T*, A0, A1, A2, A3, A4), const T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(volatile T*, A0, A1, A2, A3, A4), volatile U *arg) {
+ generate(function_context<R (*)(volatile T*, A0, A1, A2, A3, A4), volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ */
+ template<typename T, typename U>
+ Callback(R (*func)(const volatile T*, A0, A1, A2, A3, A4), const volatile U *arg) {
+ generate(function_context<R (*)(const volatile T*, A0, A1, A2, A3, A4), const volatile T>(func, arg));
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3, A4), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3, A4) const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3, A4) volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ */
+ template <typename F>
+ Callback(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3, A4) const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ generate(f);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(U *obj, R (*func)(T*, A0, A1, A2, A3, A4)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const U *obj, R (*func)(const T*, A0, A1, A2, A3, A4)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(volatile U *obj, R (*func)(volatile T*, A0, A1, A2, A3, A4)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Create a Callback with a static function and bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to Callback(func, arg)
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to Callback(func, arg)")
+ Callback(const volatile U *obj, R (*func)(const volatile T*, A0, A1, A2, A3, A4)) {
+ new (this) Callback(func, obj);
+ }
+
+ /** Destroy a callback
+ */
+ ~Callback() {
+ if (_ops) {
+ _ops->dtor(this);
+ }
+ }
+
+ /** Attach a static function
+ * @param func Static function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(A0, A1, A2, A3, A4)) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a Callback
+ * @param func The Callback to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const Callback<R(A0, A1, A2, A3, A4)> &func) {
+ this->~Callback();
+ new (this) Callback(func);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(U *obj, R (T::*method)(A0, A1, A2, A3, A4)) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const U *obj, R (T::*method)(A0, A1, A2, A3, A4) const) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile U *obj, R (T::*method)(A0, A1, A2, A3, A4) volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a member function
+ * @param obj Pointer to object to invoke member function on
+ * @param method Member function to attach
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template<typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile U *obj, R (T::*method)(A0, A1, A2, A3, A4) const volatile) {
+ this->~Callback();
+ new (this) Callback(obj, method);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(T*, A0, A1, A2, A3, A4), U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const T*, A0, A1, A2, A3, A4), const U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(volatile T*, A0, A1, A2, A3, A4), volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(R (*func)(const volatile T*, A0, A1, A2, A3, A4), const volatile U *arg) {
+ this->~Callback();
+ new (this) Callback(func, arg);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3, A4), &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3, A4) const, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3, A4) volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a function object
+ * @param func Function object to attach
+ * @note The function object is limited to a single word of storage
+ * @deprecated
+ * Replaced by simple assignment 'Callback cb = func'
+ */
+ template <typename F>
+ MBED_DEPRECATED_SINCE("mbed-os-5.4",
+ "Replaced by simple assignment 'Callback cb = func")
+ void attach(const volatile F f, typename detail::enable_if<
+ detail::is_type<R (F::*)(A0, A1, A2, A3, A4) const volatile, &F::operator()>::value &&
+ sizeof(F) <= sizeof(uintptr_t)
+ >::type = detail::nil()) {
+ this->~Callback();
+ new (this) Callback(f);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(U *obj, R (*func)(T*, A0, A1, A2, A3, A4)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const U *obj, R (*func)(const T*, A0, A1, A2, A3, A4)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(volatile U *obj, R (*func)(volatile T*, A0, A1, A2, A3, A4)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Attach a static function with a bound pointer
+ * @param obj Pointer to object to bind to function
+ * @param func Static function to attach
+ * @deprecated
+ * Arguments to callback have been reordered to attach(func, arg)
+ */
+ template <typename T, typename U>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to attach(func, arg)")
+ void attach(const volatile U *obj, R (*func)(const volatile T*, A0, A1, A2, A3, A4)) {
+ this->~Callback();
+ new (this) Callback(func, obj);
+ }
+
+ /** Assign a callback
+ */
+ Callback &operator=(const Callback &that) {
+ if (this != &that) {
+ this->~Callback();
+ new (this) Callback(that);
+ }
+
+ return *this;
+ }
+
+ /** Call the attached function
+ */
+ R call(A0 a0, A1 a1, A2 a2, A3 a3, A4 a4) const {
+ MBED_ASSERT(_ops);
+ return _ops->call(this, a0, a1, a2, a3, a4);
+ }
+
+ /** Call the attached function
+ */
+ R operator()(A0 a0, A1 a1, A2 a2, A3 a3, A4 a4) const {
+ return call(a0, a1, a2, a3, a4);
+ }
+
+ /** Test if function has been attached
+ */
+ operator bool() const {
+ return _ops;
+ }
+
+ /** Test for equality
+ */
+ friend bool operator==(const Callback &l, const Callback &r) {
+ return memcmp(&l, &r, sizeof(Callback)) == 0;
+ }
+
+ /** Test for inequality
+ */
+ friend bool operator!=(const Callback &l, const Callback &r) {
+ return !(l == r);
+ }
+
+ /** Static thunk for passing as C-style function
+ * @param func Callback to call passed as void pointer
+ */
+ static R thunk(void *func, A0 a0, A1 a1, A2 a2, A3 a3, A4 a4) {
+ return static_cast<Callback*>(func)->call(a0, a1, a2, a3, a4);
+ }
+
+private:
+ // Stored as pointer to function and pointer to optional object
+ // Function pointer is stored as union of possible function types
+ // to garuntee proper size and alignment
+ struct _class;
+ union {
+ void (*_staticfunc)(A0, A1, A2, A3, A4);
+ void (*_boundfunc)(_class*, A0, A1, A2, A3, A4);
+ void (_class::*_methodfunc)(A0, A1, A2, A3, A4);
+ } _func;
+ void *_obj;
+
+ // Dynamically dispatched operations
+ const struct ops {
+ R (*call)(const void*, A0, A1, A2, A3, A4);
+ void (*move)(void*, const void*);
+ void (*dtor)(void*);
+ } *_ops;
+
+ // Generate operations for function object
+ template <typename F>
+ void generate(const F &f) {
+ static const ops ops = {
+ &Callback::function_call<F>,
+ &Callback::function_move<F>,
+ &Callback::function_dtor<F>,
+ };
+
+ MBED_STATIC_ASSERT(sizeof(Callback) - sizeof(_ops) >= sizeof(F),
+ "Type F must not exceed the size of the Callback class");
+ new (this) F(f);
+ _ops = &ops;
+ }
+
+ // Function attributes
+ template <typename F>
+ static R function_call(const void *p, A0 a0, A1 a1, A2 a2, A3 a3, A4 a4) {
+ return (*(F*)p)(a0, a1, a2, a3, a4);
+ }
+
+ template <typename F>
+ static void function_move(void *d, const void *p) {
+ new (d) F(*(F*)p);
+ }
+
+ template <typename F>
+ static void function_dtor(void *p) {
+ ((F*)p)->~F();
+ }
+
+ // Wrappers for functions with context
+ template <typename O, typename M>
+ struct method_context {
+ M method;
+ O *obj;
+
+ method_context(O *obj, M method)
+ : method(method), obj(obj) {}
+
+ R operator()(A0 a0, A1 a1, A2 a2, A3 a3, A4 a4) const {
+ return (obj->*method)(a0, a1, a2, a3, a4);
+ }
+ };
+
+ template <typename F, typename A>
+ struct function_context {
+ F func;
+ A *arg;
+
+ function_context(F func, A *arg)
+ : func(func), arg(arg) {}
+
+ R operator()(A0 a0, A1 a1, A2 a2, A3 a3, A4 a4) const {
+ return func(arg, a0, a1, a2, a3, a4);
+ }
+ };
+};
+
+// Internally used event type
+typedef Callback<void(int)> event_callback_t;
+
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R>
+Callback<R()> callback(R (*func)() = 0) {
+ return Callback<R()>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R>
+Callback<R()> callback(const Callback<R()> &func) {
+ return Callback<R()>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R>
+Callback<R()> callback(U *obj, R (T::*method)()) {
+ return Callback<R()>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R>
+Callback<R()> callback(const U *obj, R (T::*method)() const) {
+ return Callback<R()>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R>
+Callback<R()> callback(volatile U *obj, R (T::*method)() volatile) {
+ return Callback<R()>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R>
+Callback<R()> callback(const volatile U *obj, R (T::*method)() const volatile) {
+ return Callback<R()>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R>
+Callback<R()> callback(R (*func)(T*), U *arg) {
+ return Callback<R()>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R>
+Callback<R()> callback(R (*func)(const T*), const U *arg) {
+ return Callback<R()>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R>
+Callback<R()> callback(R (*func)(volatile T*), volatile U *arg) {
+ return Callback<R()>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R>
+Callback<R()> callback(R (*func)(const volatile T*), const volatile U *arg) {
+ return Callback<R()>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R()> callback(U *obj, R (*func)(T*)) {
+ return Callback<R()>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R()> callback(const U *obj, R (*func)(const T*)) {
+ return Callback<R()>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R()> callback(volatile U *obj, R (*func)(volatile T*)) {
+ return Callback<R()>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R()> callback(const volatile U *obj, R (*func)(const volatile T*)) {
+ return Callback<R()>(func, obj);
+}
+
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R, typename A0>
+Callback<R(A0)> callback(R (*func)(A0) = 0) {
+ return Callback<R(A0)>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R, typename A0>
+Callback<R(A0)> callback(const Callback<R(A0)> &func) {
+ return Callback<R(A0)>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0>
+Callback<R(A0)> callback(U *obj, R (T::*method)(A0)) {
+ return Callback<R(A0)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0>
+Callback<R(A0)> callback(const U *obj, R (T::*method)(A0) const) {
+ return Callback<R(A0)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0>
+Callback<R(A0)> callback(volatile U *obj, R (T::*method)(A0) volatile) {
+ return Callback<R(A0)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0>
+Callback<R(A0)> callback(const volatile U *obj, R (T::*method)(A0) const volatile) {
+ return Callback<R(A0)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0>
+Callback<R(A0)> callback(R (*func)(T*, A0), U *arg) {
+ return Callback<R(A0)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0>
+Callback<R(A0)> callback(R (*func)(const T*, A0), const U *arg) {
+ return Callback<R(A0)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0>
+Callback<R(A0)> callback(R (*func)(volatile T*, A0), volatile U *arg) {
+ return Callback<R(A0)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0>
+Callback<R(A0)> callback(R (*func)(const volatile T*, A0), const volatile U *arg) {
+ return Callback<R(A0)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0)> callback(U *obj, R (*func)(T*, A0)) {
+ return Callback<R(A0)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0)> callback(const U *obj, R (*func)(const T*, A0)) {
+ return Callback<R(A0)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0)> callback(volatile U *obj, R (*func)(volatile T*, A0)) {
+ return Callback<R(A0)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0)> callback(const volatile U *obj, R (*func)(const volatile T*, A0)) {
+ return Callback<R(A0)>(func, obj);
+}
+
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R, typename A0, typename A1>
+Callback<R(A0, A1)> callback(R (*func)(A0, A1) = 0) {
+ return Callback<R(A0, A1)>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R, typename A0, typename A1>
+Callback<R(A0, A1)> callback(const Callback<R(A0, A1)> &func) {
+ return Callback<R(A0, A1)>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1>
+Callback<R(A0, A1)> callback(U *obj, R (T::*method)(A0, A1)) {
+ return Callback<R(A0, A1)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1>
+Callback<R(A0, A1)> callback(const U *obj, R (T::*method)(A0, A1) const) {
+ return Callback<R(A0, A1)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1>
+Callback<R(A0, A1)> callback(volatile U *obj, R (T::*method)(A0, A1) volatile) {
+ return Callback<R(A0, A1)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1>
+Callback<R(A0, A1)> callback(const volatile U *obj, R (T::*method)(A0, A1) const volatile) {
+ return Callback<R(A0, A1)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1>
+Callback<R(A0, A1)> callback(R (*func)(T*, A0, A1), U *arg) {
+ return Callback<R(A0, A1)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1>
+Callback<R(A0, A1)> callback(R (*func)(const T*, A0, A1), const U *arg) {
+ return Callback<R(A0, A1)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1>
+Callback<R(A0, A1)> callback(R (*func)(volatile T*, A0, A1), volatile U *arg) {
+ return Callback<R(A0, A1)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1>
+Callback<R(A0, A1)> callback(R (*func)(const volatile T*, A0, A1), const volatile U *arg) {
+ return Callback<R(A0, A1)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1)> callback(U *obj, R (*func)(T*, A0, A1)) {
+ return Callback<R(A0, A1)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1)> callback(const U *obj, R (*func)(const T*, A0, A1)) {
+ return Callback<R(A0, A1)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1)> callback(volatile U *obj, R (*func)(volatile T*, A0, A1)) {
+ return Callback<R(A0, A1)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1)> callback(const volatile U *obj, R (*func)(const volatile T*, A0, A1)) {
+ return Callback<R(A0, A1)>(func, obj);
+}
+
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R, typename A0, typename A1, typename A2>
+Callback<R(A0, A1, A2)> callback(R (*func)(A0, A1, A2) = 0) {
+ return Callback<R(A0, A1, A2)>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R, typename A0, typename A1, typename A2>
+Callback<R(A0, A1, A2)> callback(const Callback<R(A0, A1, A2)> &func) {
+ return Callback<R(A0, A1, A2)>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2>
+Callback<R(A0, A1, A2)> callback(U *obj, R (T::*method)(A0, A1, A2)) {
+ return Callback<R(A0, A1, A2)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2>
+Callback<R(A0, A1, A2)> callback(const U *obj, R (T::*method)(A0, A1, A2) const) {
+ return Callback<R(A0, A1, A2)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2>
+Callback<R(A0, A1, A2)> callback(volatile U *obj, R (T::*method)(A0, A1, A2) volatile) {
+ return Callback<R(A0, A1, A2)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2>
+Callback<R(A0, A1, A2)> callback(const volatile U *obj, R (T::*method)(A0, A1, A2) const volatile) {
+ return Callback<R(A0, A1, A2)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2>
+Callback<R(A0, A1, A2)> callback(R (*func)(T*, A0, A1, A2), U *arg) {
+ return Callback<R(A0, A1, A2)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2>
+Callback<R(A0, A1, A2)> callback(R (*func)(const T*, A0, A1, A2), const U *arg) {
+ return Callback<R(A0, A1, A2)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2>
+Callback<R(A0, A1, A2)> callback(R (*func)(volatile T*, A0, A1, A2), volatile U *arg) {
+ return Callback<R(A0, A1, A2)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2>
+Callback<R(A0, A1, A2)> callback(R (*func)(const volatile T*, A0, A1, A2), const volatile U *arg) {
+ return Callback<R(A0, A1, A2)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2)> callback(U *obj, R (*func)(T*, A0, A1, A2)) {
+ return Callback<R(A0, A1, A2)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2)> callback(const U *obj, R (*func)(const T*, A0, A1, A2)) {
+ return Callback<R(A0, A1, A2)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2)> callback(volatile U *obj, R (*func)(volatile T*, A0, A1, A2)) {
+ return Callback<R(A0, A1, A2)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2)> callback(const volatile U *obj, R (*func)(const volatile T*, A0, A1, A2)) {
+ return Callback<R(A0, A1, A2)>(func, obj);
+}
+
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R, typename A0, typename A1, typename A2, typename A3>
+Callback<R(A0, A1, A2, A3)> callback(R (*func)(A0, A1, A2, A3) = 0) {
+ return Callback<R(A0, A1, A2, A3)>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R, typename A0, typename A1, typename A2, typename A3>
+Callback<R(A0, A1, A2, A3)> callback(const Callback<R(A0, A1, A2, A3)> &func) {
+ return Callback<R(A0, A1, A2, A3)>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+Callback<R(A0, A1, A2, A3)> callback(U *obj, R (T::*method)(A0, A1, A2, A3)) {
+ return Callback<R(A0, A1, A2, A3)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+Callback<R(A0, A1, A2, A3)> callback(const U *obj, R (T::*method)(A0, A1, A2, A3) const) {
+ return Callback<R(A0, A1, A2, A3)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+Callback<R(A0, A1, A2, A3)> callback(volatile U *obj, R (T::*method)(A0, A1, A2, A3) volatile) {
+ return Callback<R(A0, A1, A2, A3)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+Callback<R(A0, A1, A2, A3)> callback(const volatile U *obj, R (T::*method)(A0, A1, A2, A3) const volatile) {
+ return Callback<R(A0, A1, A2, A3)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+Callback<R(A0, A1, A2, A3)> callback(R (*func)(T*, A0, A1, A2, A3), U *arg) {
+ return Callback<R(A0, A1, A2, A3)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+Callback<R(A0, A1, A2, A3)> callback(R (*func)(const T*, A0, A1, A2, A3), const U *arg) {
+ return Callback<R(A0, A1, A2, A3)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+Callback<R(A0, A1, A2, A3)> callback(R (*func)(volatile T*, A0, A1, A2, A3), volatile U *arg) {
+ return Callback<R(A0, A1, A2, A3)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+Callback<R(A0, A1, A2, A3)> callback(R (*func)(const volatile T*, A0, A1, A2, A3), const volatile U *arg) {
+ return Callback<R(A0, A1, A2, A3)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2, A3)> callback(U *obj, R (*func)(T*, A0, A1, A2, A3)) {
+ return Callback<R(A0, A1, A2, A3)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2, A3)> callback(const U *obj, R (*func)(const T*, A0, A1, A2, A3)) {
+ return Callback<R(A0, A1, A2, A3)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2, A3)> callback(volatile U *obj, R (*func)(volatile T*, A0, A1, A2, A3)) {
+ return Callback<R(A0, A1, A2, A3)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2, A3)> callback(const volatile U *obj, R (*func)(const volatile T*, A0, A1, A2, A3)) {
+ return Callback<R(A0, A1, A2, A3)>(func, obj);
+}
+
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+Callback<R(A0, A1, A2, A3, A4)> callback(R (*func)(A0, A1, A2, A3, A4) = 0) {
+ return Callback<R(A0, A1, A2, A3, A4)>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @return Callback with infered type
+ */
+template <typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+Callback<R(A0, A1, A2, A3, A4)> callback(const Callback<R(A0, A1, A2, A3, A4)> &func) {
+ return Callback<R(A0, A1, A2, A3, A4)>(func);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+Callback<R(A0, A1, A2, A3, A4)> callback(U *obj, R (T::*method)(A0, A1, A2, A3, A4)) {
+ return Callback<R(A0, A1, A2, A3, A4)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+Callback<R(A0, A1, A2, A3, A4)> callback(const U *obj, R (T::*method)(A0, A1, A2, A3, A4) const) {
+ return Callback<R(A0, A1, A2, A3, A4)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+Callback<R(A0, A1, A2, A3, A4)> callback(volatile U *obj, R (T::*method)(A0, A1, A2, A3, A4) volatile) {
+ return Callback<R(A0, A1, A2, A3, A4)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param method Member function to attach
+ * @return Callback with infered type
+ */
+template<typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+Callback<R(A0, A1, A2, A3, A4)> callback(const volatile U *obj, R (T::*method)(A0, A1, A2, A3, A4) const volatile) {
+ return Callback<R(A0, A1, A2, A3, A4)>(obj, method);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+Callback<R(A0, A1, A2, A3, A4)> callback(R (*func)(T*, A0, A1, A2, A3, A4), U *arg) {
+ return Callback<R(A0, A1, A2, A3, A4)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+Callback<R(A0, A1, A2, A3, A4)> callback(R (*func)(const T*, A0, A1, A2, A3, A4), const U *arg) {
+ return Callback<R(A0, A1, A2, A3, A4)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+Callback<R(A0, A1, A2, A3, A4)> callback(R (*func)(volatile T*, A0, A1, A2, A3, A4), volatile U *arg) {
+ return Callback<R(A0, A1, A2, A3, A4)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param func Static function to attach
+ * @param arg Pointer argument to function
+ * @return Callback with infered type
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+Callback<R(A0, A1, A2, A3, A4)> callback(R (*func)(const volatile T*, A0, A1, A2, A3, A4), const volatile U *arg) {
+ return Callback<R(A0, A1, A2, A3, A4)>(func, arg);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2, A3, A4)> callback(U *obj, R (*func)(T*, A0, A1, A2, A3, A4)) {
+ return Callback<R(A0, A1, A2, A3, A4)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2, A3, A4)> callback(const U *obj, R (*func)(const T*, A0, A1, A2, A3, A4)) {
+ return Callback<R(A0, A1, A2, A3, A4)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2, A3, A4)> callback(volatile U *obj, R (*func)(volatile T*, A0, A1, A2, A3, A4)) {
+ return Callback<R(A0, A1, A2, A3, A4)>(func, obj);
+}
+
+/** Create a callback class with type infered from the arguments
+ *
+ * @param obj Optional pointer to object to bind to function
+ * @param func Static function to attach
+ * @return Callback with infered type
+ * @deprecated
+ * Arguments to callback have been reordered to callback(func, arg)
+ */
+template <typename T, typename U, typename R, typename A0, typename A1, typename A2, typename A3, typename A4>
+MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Arguments to callback have been reordered to callback(func, arg)")
+Callback<R(A0, A1, A2, A3, A4)> callback(const volatile U *obj, R (*func)(const volatile T*, A0, A1, A2, A3, A4)) {
+ return Callback<R(A0, A1, A2, A3, A4)>(func, obj);
+}
+
+
+} // namespace mbed
+
+#endif
+
+
+/** @}*/