Method RegisterInterface

sdk/angelscript/source/as_scriptengine.cpp:1675–1734

interface

// interface
int asCScriptEngine::RegisterInterface(const char *name)
{
	if( name == 0 ) return ConfigError(asINVALID_NAME, "RegisterInterface", 0, 0);

	// Verify if the name has been registered as a type already
	if( GetRegisteredType(name, defaultNamespace) )
		return asALREADY_REGISTERED;

	// Use builder to parse the datatype
	asCDataType dt;
	asCBuilder bld(this, 0);
	bool oldMsgCallback = msgCallback; msgCallback = false;
	int r = bld.ParseDataType(name, &dt, defaultNamespace);
	msgCallback = oldMsgCallback;
	if( r >= 0 )
	{
		// If it is not in the defaultNamespace then the type was successfully parsed because
		// it is declared in a parent namespace which shouldn't be treated as an error
		if( dt.GetTypeInfo() && dt.GetTypeInfo()->nameSpace == defaultNamespace )
			return ConfigError(asERROR, "RegisterInterface", name, 0);
	}

	// Make sure the name is not a reserved keyword
	size_t tokenLen;
	int token = tok.GetToken(name, strlen(name), &tokenLen);
	if( token != ttIdentifier || strlen(name) != tokenLen )
		return ConfigError(asINVALID_NAME, "RegisterInterface", name, 0);

	r = bld.CheckNameConflict(name, 0, 0, defaultNamespace, true, false, false);
	if( r < 0 )
		return ConfigError(asNAME_TAKEN, "RegisterInterface", name, 0);

	// Don't have to check against members of object
	// types as they are allowed to use the names

	// Register the object type for the interface
	asCObjectType *st = asNEW(asCObjectType)(this);
	if( st == 0 )
		return ConfigError(asOUT_OF_MEMORY, "RegisterInterface", name, 0);

	st->flags = asOBJ_REF | asOBJ_SCRIPT_OBJECT | asOBJ_SHARED;
	st->size = 0; // Cannot be instantiated
	st->name = name;
	st->nameSpace = defaultNamespace;

	// Use the default script class behaviours
	st->beh.factory = 0;
	st->beh.addref = scriptTypeBehaviours.beh.addref;
	scriptFunctions[st->beh.addref]->AddRefInternal();
	st->beh.release = scriptTypeBehaviours.beh.release;
	scriptFunctions[st->beh.release]->AddRefInternal();
	st->beh.copy = 0;

	allRegisteredTypes.Insert(asSNameSpaceNamePair(st->nameSpace, st->name), st);
	registeredObjTypes.PushLast(st);

	currentGroup->types.PushLast(st);