Method AddReferences

sdk/angelscript/source/as_scriptfunction.cpp:1101–1263

internal

// internal
void asCScriptFunction::AddReferences()
{
	// This array will be used to make sure we only add the reference to the same resource once
	// This is especially important for global variables, as it expects the initialization function
	// to hold only one reference to the variable. However, if the variable is initialized through
	// the default constructor followed by the assignment operator we will have two references to
	// the variable in the function.
	asCArray<void*> ptrs;

	// Only count references if there is any bytecode
	if( scriptData && scriptData->byteCode.GetLength() )
	{
		if( returnType.GetTypeInfo() )
		{
			returnType.GetTypeInfo()->AddRefInternal();

			asCConfigGroup *group = engine->FindConfigGroupForTypeInfo(returnType.GetTypeInfo());
			if( group != 0 ) group->AddRef();
		}

		for( asUINT p = 0; p < parameterTypes.GetLength(); p++ )
			if( parameterTypes[p].GetTypeInfo() )
			{
				parameterTypes[p].GetTypeInfo()->AddRefInternal();

				asCConfigGroup *group = engine->FindConfigGroupForTypeInfo(parameterTypes[p].GetTypeInfo());
				if( group != 0 ) group->AddRef();
			}

		for (asUINT v = 0; v < scriptData->variables.GetLength(); v++)
		{
			asCTypeInfo* ti = reinterpret_cast<asCTypeInfo*>(scriptData->variables[v]->type.GetTypeInfo());
			if (ti) // The null handle is also stored, but it doesn't have an object type
			{
				ti->AddRefInternal();

				asCConfigGroup* group = engine->FindConfigGroupForTypeInfo(ti);
				if (group != 0) group->AddRef();
			}
		}

		// Go through the byte code and add references to all resources used by the function
		asCArray<asDWORD> &bc = scriptData->byteCode;
		for( asUINT n = 0; n < bc.GetLength(); n += asBCTypeSize[asBCInfo[*(asBYTE*)&bc[n]].type] )
		{
			switch( *(asBYTE*)&bc[n] )
			{
			// Object types
			case asBC_OBJTYPE:
			case asBC_FREE:
			case asBC_REFCPY:
			case asBC_RefCpyV:
				{
					asCObjectType *objType = (asCObjectType*)asBC_PTRARG(&bc[n]);
					asASSERT( objType );
					if( objType )
						objType->AddRefInternal();
				}