Method SetArgObject

sdk/angelscript/source/as_context.cpp:1336–1392

}

int asCContext::SetArgObject(asUINT arg, void *obj)
{
	if( m_status != asEXECUTION_PREPARED )
		return asCONTEXT_NOT_PREPARED;

	if( arg >= (unsigned)m_initialFunction->parameterTypes.GetLength() )
	{
		m_status = asEXECUTION_ERROR;
		return asINVALID_ARG;
	}

	// Verify the type of the argument
	asCDataType *dt = &m_initialFunction->parameterTypes[arg];
	if( !dt->IsObject() && !dt->IsFuncdef() )
	{
		m_status = asEXECUTION_ERROR;
		return asINVALID_TYPE;
	}

	// If the object should be sent by value we must make a copy of it
	if( !dt->IsReference() )
	{
		if( dt->IsObjectHandle() )
		{
			// Increase the reference counter
			if (obj && dt->IsFuncdef())
				((asIScriptFunction*)obj)->AddRef();
			else
			{
				asSTypeBehaviour *beh = &CastToObjectType(dt->GetTypeInfo())->beh;
				if (obj && beh->addref)
					m_engine->CallObjectMethod(obj, beh->addref);
			}
		}
		else
		{
			obj = m_engine->CreateScriptObjectCopy(obj, dt->GetTypeInfo());
		}
	}

	// Determine the position of the argument
	int offset = 0;
	if( m_initialFunction->objectType )
		offset += AS_PTR_SIZE;

	// If function returns object by value an extra pointer is pushed on the stack
	if( m_returnValueSize )
		offset += AS_PTR_SIZE;

	for( asUINT n = 0; n < arg; n++ )
		offset += m_initialFunction->parameterTypes[n].GetSizeOnStackDWords();

	// Set the value
	*(asPWORD*)(&m_regs.stackFramePointer[offset]) = (asPWORD)obj;

	return 0;
}