164 lines
4.5 KiB
C++
164 lines
4.5 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
|
|
*/
|
|
|
|
|
|
|
|
//
|
|
// as_scriptobject.h
|
|
//
|
|
// A generic class for handling script declared structures
|
|
//
|
|
|
|
|
|
|
|
#ifndef AS_SCRIPTOBJECT_H
|
|
#define AS_SCRIPTOBJECT_H
|
|
|
|
#include "as_config.h"
|
|
#include "as_atomic.h"
|
|
|
|
BEGIN_AS_NAMESPACE
|
|
|
|
class asCObjectType;
|
|
|
|
// TODO: Add const overload for GetAddressOfProperty
|
|
|
|
// TODO: weak: Should move to its own file
|
|
class asCLockableSharedBool : public asILockableSharedBool
|
|
{
|
|
public:
|
|
asCLockableSharedBool();
|
|
int AddRef() const;
|
|
int Release() const;
|
|
|
|
bool Get() const;
|
|
void Set(bool);
|
|
|
|
void Lock() const;
|
|
void Unlock() const;
|
|
|
|
protected:
|
|
mutable asCAtomic refCount;
|
|
bool value;
|
|
DECLARECRITICALSECTION(mutable lock);
|
|
};
|
|
|
|
class asCScriptObject : public asIScriptObject
|
|
{
|
|
public:
|
|
//===================================
|
|
// From asIScriptObject
|
|
//===================================
|
|
|
|
// Memory management
|
|
int AddRef() const;
|
|
int Release() const;
|
|
asILockableSharedBool *GetWeakRefFlag() const;
|
|
|
|
// Type info
|
|
int GetTypeId() const;
|
|
asIObjectType *GetObjectType() const;
|
|
|
|
// Class properties
|
|
asUINT GetPropertyCount() const;
|
|
int GetPropertyTypeId(asUINT prop) const;
|
|
const char *GetPropertyName(asUINT prop) const;
|
|
void *GetAddressOfProperty(asUINT prop);
|
|
|
|
// Miscellaneous
|
|
asIScriptEngine *GetEngine() const;
|
|
int CopyFrom(asIScriptObject *other);
|
|
|
|
// User data
|
|
void *SetUserData(void *data, asPWORD type = 0);
|
|
void *GetUserData(asPWORD type = 0) const;
|
|
|
|
//====================================
|
|
// Internal
|
|
//====================================
|
|
asCScriptObject(asCObjectType *objType, bool doInitialize = true);
|
|
virtual ~asCScriptObject();
|
|
|
|
asCScriptObject &operator=(const asCScriptObject &other);
|
|
|
|
// GC methods
|
|
void Destruct();
|
|
int GetRefCount();
|
|
void SetFlag();
|
|
bool GetFlag();
|
|
void EnumReferences(asIScriptEngine *engine);
|
|
void ReleaseAllHandles(asIScriptEngine *engine);
|
|
|
|
// Used for properties
|
|
void *AllocateUninitializedObject(asCObjectType *objType, asCScriptEngine *engine);
|
|
void FreeObject(void *ptr, asCObjectType *objType, asCScriptEngine *engine);
|
|
void CopyObject(void *src, void *dst, asCObjectType *objType, asCScriptEngine *engine);
|
|
void CopyHandle(asPWORD *src, asPWORD *dst, asCObjectType *objType, asCScriptEngine *engine);
|
|
|
|
void CallDestructor();
|
|
|
|
//=============================================
|
|
// Properties
|
|
//=============================================
|
|
protected:
|
|
friend class asCContext;
|
|
asCObjectType *objType;
|
|
|
|
mutable asCAtomic refCount;
|
|
mutable asBYTE gcFlag:1;
|
|
mutable asBYTE hasRefCountReachedZero:1;
|
|
bool isDestructCalled;
|
|
|
|
// Most script classes instances won't have neither the weakRefFlags nor
|
|
// userData so we only allocate this if requested. Even when used it is
|
|
// not something that will be accessed all the time so having the extra
|
|
// indirection will not affect the performance significantly.
|
|
struct SExtra
|
|
{
|
|
SExtra() : weakRefFlag(0) {};
|
|
asCLockableSharedBool *weakRefFlag;
|
|
asCArray<asPWORD> userData;
|
|
};
|
|
mutable SExtra *extra;
|
|
};
|
|
|
|
void ScriptObject_Construct(asCObjectType *objType, asCScriptObject *self);
|
|
asCScriptObject &ScriptObject_Assignment(asCScriptObject *other, asCScriptObject *self);
|
|
|
|
void ScriptObject_ConstructUnitialized(asCObjectType *objType, asCScriptObject *self);
|
|
|
|
void RegisterScriptObject(asCScriptEngine *engine);
|
|
|
|
asIScriptObject *ScriptObjectFactory(const asCObjectType *objType, asCScriptEngine *engine);
|
|
|
|
END_AS_NAMESPACE
|
|
|
|
#endif
|