`TWebIDLScanner`
pt		GetErrorPos
pt		Error
pt		ReadString
pt		DoFetchToken
pt		HandleDirective
pt		HandleIfDef
pt		HandleIfNDef
pt		HandleIf
pt		HandleElse
pt		HandleEndIf
pt		PushSkipMode
pt		IsDefined
pt		SkipWhitespace
pt		SkipLineBreak
pt		Init
		Create
		CreateFile
		Destroy
		FetchToken