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Remove obsolete beast_Function

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This commit is contained in:
Vinnie Falco
2013-09-17 18:18:49 -07:00
parent 29ec27c377
commit e2e8f85b3c
5 changed files with 5 additions and 280 deletions
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4
src/beast/modules/beast_core/beast_core.h
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@@ -319,7 +319,7 @@ extern BEAST_API void BEAST_CALLTYPE logAssertion (char const* file, int line) n
#include "diagnostic/beast_FPUFlags.h"
#include "memory/SharedObject.h"
#include "memory/SharedPtr.h"
#include "functional/SharedFunction.h"
#include "memory/SharedFunction.h"
#include "diagnostic/ProtectedCall.h"
#include "containers/beast_AbstractFifo.h"
#include "text/beast_Identifier.h"
@@ -407,8 +407,6 @@ extern BEAST_API void BEAST_CALLTYPE logAssertion (char const* file, int line) n
#include "diagnostic/MeasureFunctionCallTime.h"
#include "functional/beast_Function.h"
#include "thread/beast_DeadlineTimer.h"
#include "memory/beast_AllocatedBy.h"

266
src/beast/modules/beast_core/functional/beast_Function.h
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@@ -1,266 +0,0 @@
//------------------------------------------------------------------------------
/*
This file is part of Beast: https://github.com/vinniefalco/Beast
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#ifndef BEAST_FUNCTION_H_INCLUDED
#define BEAST_FUNCTION_H_INCLUDED
//
// Strong replacement for boost::function:
//
// #1 Bounded memory requirement, avoids the free store.
//
// #2 Always refers to a functor (i.e. is never invalid)
//
// #3 Default value (None) is a function that
// returns a default object (the result type
// constructed with a default constructor).
//
template <typename Signature, int Bytes = 128>
class Function;
//
// nullary function
//
template <typename R, int Bytes>
class Function <R (void), Bytes>
{
public:
typedef R result_type;
typedef Function self_type;
struct None
{
typedef R result_type;
result_type operator () () const
{
return result_type ();
}
};
Function ()
{
constructCopyOf (None ());
}
Function (Function const& f)
{
f.getCall ().constructCopyInto (m_storage);
}
template <class Functor>
Function (Functor const& f)
{
constructCopyOf (f);
}
~Function ()
{
getCall ().~Call ();
}
Function& operator= (Function const& f)
{
getCall ().~Call ();
f.getCall ().constructCopyInto (m_storage);
return *this;
}
template <class Functor>
Function& operator= (Functor const& f)
{
getCall ().~Call ();
constructCopyOf (f);
return *this;
}
result_type operator () ()
{
return getCall ().operator () ();
}
private:
template <class Functor>
void constructCopyOf (Functor const& f)
{
// If this generates a compile error it means that
// the functor is too large for the static buffer.
// Increase the storage template parameter until
// the error message goes away. This might cause
// changes throughout the application with other
// template classes that depend on the size.
static_bassert (sizeof (StoredCall <Functor>) <= Bytes);
new (m_storage) StoredCall <Functor> (f);
}
private:
struct Call
{
virtual ~Call () {}
virtual void constructCopyInto (void* p) const = 0;
virtual result_type operator () () = 0;
};
template <class Functor>
struct StoredCall : Call
{
explicit StoredCall (Functor const& f) : m_f (f) { }
StoredCall (const StoredCall& c) : m_f (c.m_f) { }
void constructCopyInto (void* p) const
{
new (p) StoredCall (m_f);
}
result_type operator () ()
{
return m_f ();
}
private:
Functor m_f;
};
Call& getCall ()
{
return *reinterpret_cast <Call*> (&m_storage[0]);
}
Call const& getCall () const
{
return *reinterpret_cast <Call const*> (&m_storage[0]);
}
char m_storage [Bytes]; // should be enough
};
//------------------------------------------------------------------------------
//
// unary function
//
template <typename R, typename T1, int Bytes>
class Function <R (T1 t1), Bytes>
{
public:
typedef R result_type;
typedef Function self_type;
struct None
{
typedef R result_type;
result_type operator () (T1) const
{
return result_type ();
}
};
Function ()
{
constructCopyOf (None ());
}
Function (const Function& f)
{
f.getCall ().constructCopyInto (m_storage);
}
template <class Functor>
Function (Functor const& f)
{
constructCopyOf (f);
}
~Function ()
{
getCall ().~Call ();
}
Function& operator= (const Function& f)
{
getCall ().~Call ();
f.getCall ().constructCopyInto (m_storage);
return *this;
}
template <class Functor>
Function& operator= (Functor const& f)
{
getCall ().~Call ();
constructCopyOf (f);
return *this;
}
result_type operator () (T1 t1)
{
return getCall ().operator () (t1);
}
private:
template <class Functor>
void constructCopyOf (Functor const& f)
{
// If this generates a compile error it means that
// the functor is too large for the static buffer.
// Increase the storage template parameter until
// the error message goes away. This might cause
// changes throughout the application with other
// template classes that depend on the size.
static_bassert (sizeof (StoredCall <Functor>) <= Bytes);
new (m_storage) StoredCall <Functor> (f);
}
private:
struct Call
{
virtual ~Call () {}
virtual void constructCopyInto (void* p) const = 0;
virtual result_type operator () (T1 t1) = 0;
};
template <class Functor>
struct StoredCall : Call
{
explicit StoredCall (Functor const& f) : m_f (f) { }
StoredCall (const StoredCall& c) : m_f (c.m_f) { }
void constructCopyInto (void* p) const
{
new (p) StoredCall (m_f);
}
result_type operator () (T1 t1)
{
return m_f (t1);
}
private:
Functor m_f;
};
Call& getCall ()
{
return *reinterpret_cast <Call*> (&m_storage[0]);
}
Call const& getCall () const
{
return *reinterpret_cast <Call const*> (&m_storage[0]);
}
char m_storage [Bytes]; // should be enough
};
#endif

0
src/beast/modules/beast_core/functional/SharedFunction.h → src/beast/modules/beast_core/memory/SharedFunction.h
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