Urho3D/Source/ThirdParty/AngelScript/source/as_globalproperty.cpp

138 lines
3.2 KiB
C++

/*
AngelCode Scripting Library
Copyright (c) 2003-2015 Andreas Jonsson
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.
Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you
must not claim that you wrote the original software. If you use
this software in a product, an acknowledgment in the product
documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
The original version of this library can be located at:
http://www.angelcode.com/angelscript/
Andreas Jonsson
andreas@angelcode.com
*/
#include "as_config.h"
#include "as_property.h"
#include "as_scriptengine.h"
BEGIN_AS_NAMESPACE
asCGlobalProperty::asCGlobalProperty()
{
memory = &storage;
memoryAllocated = false;
realAddress = 0;
initFunc = 0;
accessMask = 0xFFFFFFFF;
refCount.set(1);
}
asCGlobalProperty::~asCGlobalProperty()
{
#ifndef WIP_16BYTE_ALIGNED
if( memoryAllocated ) { asDELETEARRAY(memory); }
#else
if( memoryAllocated ) { asDELETEARRAYALIGNED(memory); }
#endif
if( initFunc )
initFunc->ReleaseInternal();
}
void asCGlobalProperty::AddRef()
{
refCount.atomicInc();
}
void asCGlobalProperty::Release()
{
if( refCount.atomicDec() == 0 )
asDELETE(this, asCGlobalProperty);
}
void asCGlobalProperty::DestroyInternal()
{
if( initFunc )
{
initFunc->ReleaseInternal();
initFunc = 0;
}
}
void *asCGlobalProperty::GetAddressOfValue()
{
return memory;
}
// The global property structure is responsible for allocating the storage
// method for script declared variables. Each allocation is independent of
// other global properties, so that variables can be added and removed at
// any time.
void asCGlobalProperty::AllocateMemory()
{
if( type.GetSizeOnStackDWords() > 2 )
{
#ifndef WIP_16BYTE_ALIGNED
memory = asNEWARRAY(asDWORD, type.GetSizeOnStackDWords());
#else
// TODO: Avoid aligned allocation if not needed to reduce the waste of memory for the alignment
memory = asNEWARRAYALIGNED(asDWORD, type.GetSizeOnStackDWords(), type.GetAlignment());
#endif
memoryAllocated = true;
}
}
void asCGlobalProperty::SetRegisteredAddress(void *p)
{
realAddress = p;
if( type.IsObject() && !type.IsReference() && !type.IsObjectHandle() )
{
// The global property is a pointer to a pointer
memory = &realAddress;
}
else
memory = p;
}
void *asCGlobalProperty::GetRegisteredAddress() const
{
return realAddress;
}
void asCGlobalProperty::SetInitFunc(asCScriptFunction *in_initFunc)
{
// This should only be done once
asASSERT( initFunc == 0 );
initFunc = in_initFunc;
initFunc->AddRefInternal();
}
asCScriptFunction *asCGlobalProperty::GetInitFunc()
{
return initFunc;
}
END_AS_NAMESPACE