mbed-os/platform/Callback.h

4946 lines
163 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2006-2015 ARM Limited
* SPDX-License-Identifier: Apache-2.0
*
* 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 */
/** @{*/
/**
* \defgroup platform_Callback Callback class
* @{
*/
/** 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;
};
}
#define MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, M) \
typename detail::enable_if< \
detail::is_type<M, &F::operator()>::value && \
sizeof(F) <= sizeof(uintptr_t) \
>::type = detail::nil()
/** 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) {
memset(this, 0, sizeof(Callback));
} else {
generate(func);
}
}
/** Attach a Callback
* @param func The Callback to attach
*/
Callback(const Callback<R()> &func)
{
memset(this, 0, sizeof(Callback));
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 f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)()))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)() const))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)() volatile))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)() const volatile))
{
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 f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)()))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)() const))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)() volatile))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)() const volatile))
{
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
* @return the value as determined by func which is of
* type and determined by the signature of func
*/
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 guarantee 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");
memset(this, 0, sizeof(Callback));
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) {
memset(this, 0, sizeof(Callback));
} else {
generate(func);
}
}
/** Attach a Callback
* @param func The Callback to attach
*/
Callback(const Callback<R(A0)> &func)
{
memset(this, 0, sizeof(Callback));
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 f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0)))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0) const))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0) volatile))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0) const volatile))
{
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 f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0)))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0) const))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0) volatile))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0) const volatile))
{
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
* @param a0 An argument to be called with function func
* @return the value as determined by func which is of
* type and determined by the signature of func
*/
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 guarantee 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");
memset(this, 0, sizeof(Callback));
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) {
memset(this, 0, sizeof(Callback));
} else {
generate(func);
}
}
/** Attach a Callback
* @param func The Callback to attach
*/
Callback(const Callback<R(A0, A1)> &func)
{
memset(this, 0, sizeof(Callback));
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 f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1)))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1) const))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1) volatile))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1) const volatile))
{
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 f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1)))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1) const))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1) volatile))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1) const volatile))
{
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
* @param a0 An argument to be called with function func
* @param a1 An argument to be called with function func
* @return the value as determined by func which is of
* type and determined by the signature of func
*/
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 guarantee 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");
memset(this, 0, sizeof(Callback));
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) {
memset(this, 0, sizeof(Callback));
} else {
generate(func);
}
}
/** Attach a Callback
* @param func The Callback to attach
*/
Callback(const Callback<R(A0, A1, A2)> &func)
{
memset(this, 0, sizeof(Callback));
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 f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2)))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2) const))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2) volatile))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2) const volatile))
{
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 f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2)))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2) const))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2) volatile))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2) const volatile))
{
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
* @param a0 An argument to be called with function func
* @param a1 An argument to be called with function func
* @param a2 An argument to be called with function func
* @return the value as determined by func which is of
* type and determined by the signature of func
*/
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 guarantee 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");
memset(this, 0, sizeof(Callback));
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) {
memset(this, 0, sizeof(Callback));
} else {
generate(func);
}
}
/** Attach a Callback
* @param func The Callback to attach
*/
Callback(const Callback<R(A0, A1, A2, A3)> &func)
{
memset(this, 0, sizeof(Callback));
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 f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3)))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3) const))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3) volatile))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3) const volatile))
{
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 f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3)))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3) const))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3) volatile))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3) const volatile))
{
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
* @param a0 An argument to be called with function func
* @param a1 An argument to be called with function func
* @param a2 An argument to be called with function func
* @param a3 An argument to be called with function func
* @return the value as determined by func which is of
* type and determined by the signature of func
*/
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 guarantee 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");
memset(this, 0, sizeof(Callback));
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) {
memset(this, 0, sizeof(Callback));
} else {
generate(func);
}
}
/** Attach a Callback
* @param func The Callback to attach
*/
Callback(const Callback<R(A0, A1, A2, A3, A4)> &func)
{
memset(this, 0, sizeof(Callback));
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 f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3, A4)))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3, A4) const))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3, A4) volatile))
{
generate(f);
}
/** Create a Callback with a function object
* @param f Function object to attach
* @note The function object is limited to a single word of storage
*/
template <typename F>
Callback(const volatile F f, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3, A4) const volatile))
{
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 f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3, A4)))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3, A4) const))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3, A4) volatile))
{
this->~Callback();
new (this) Callback(f);
}
/** Attach a function object
* @param f 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, MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, R(F::*)(A0, A1, A2, A3, A4) const volatile))
{
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
* @param a0 An argument to be called with function func
* @param a1 An argument to be called with function func
* @param a2 An argument to be called with function func
* @param a3 An argument to be called with function func
* @param a4 An argument to be called with function func
* @return the value as determined by func which is of
* type and determined by the signature of func
*/
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 guarantee 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");
memset(this, 0, sizeof(Callback));
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 inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred type
*/
template <typename R>
Callback<R()> callback(R(*func)() = 0)
{
return Callback<R()>(func);
}
/** Create a callback class with type inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred type
*/
template <typename R>
Callback<R()> callback(const Callback<R()> &func)
{
return Callback<R()>(func);
}
/** Create a callback class with type inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param method Member function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param func Static function to attach
* @param arg Pointer argument to function
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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 inferred from the arguments
*
* @param obj Optional pointer to object to bind to function
* @param func Static function to attach
* @return Callback with inferred 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