class
	{
	New(dir)
		{
		.dir = dir
		}

	For_each(list, func)
	{
	for (i = 0; i < list.Size(); ++i)
		func(list[i])
	}

	isSysFile(files){
		for file in files
			if file is "Sys.vm"
				return true
		return false
		}

	Vm_files()
		{
		vm_files = Dir(.dir $  "\\*.vm")
		translator = ToAsm()
		result = ""
		if .isSysFile(vm_files)
			result = translator.WriteInit()
		for(file in vm_files)
			{
			src = File(.dir $ "\\" $ file)
			txt = src.Read()
			result $= translator.WriteCode(file,txt)
			src.Close()
			}
		asm = File(.dir $ "\\" $ .dir.Split("\\").Back() $ ".asm", "w")
		asm.Write(result)
		asm.Close()
		}
	Jack_files()
		{
		vm_files = Dir(.dir $  "\\*.jack")


		for(file in vm_files)
			{
			tokenizer = Tokenizing(.dir $ "\\" $ file)
			xml = tokenizer.Xml()
			file = File(.dir $ "\\" $ file.Split(".")[0] $ "A.xml","w")
			file.Write(xml)
			file.Close()
			}

		}


	}