Пример #1
0
func main() {
	var action string = ""

	if len(os.Args) > 1 {
		action = os.Args[1]
	}

	switch action {
	case "help":
		fmt.Println(helpText)
	case "run":
		if len(os.Args) < 3 {
			fmt.Println("run command requires a filename as argument")
			os.Exit(1)
		}
		fileName := os.Args[2]
		core.ShowStates(compileProgramFromFile(fileName))
	case "build":
		if len(os.Args) < 3 {
			fmt.Println("build command requires a filename as argument")
			os.Exit(1)
		}
		fileName := os.Args[2]
		compile.SaveLLVMIR(compile.GenLLVMIR(compileProgramFromFile(fileName)))
	default:
		fmt.Println("Starting puff REPL")
		replLoop()
		fmt.Println("\nGoodbye! Thanks for using puff.")
	}
}
Пример #2
0
func replLoop() {
	fmt.Println(`
                      __  __
         _ __  _   _ / _|/ _|
        | '_ \| | | | |_| |_
        | |_) | |_| |  _|  _|
        | .__/ \__,_|_| |_|
        |_|
    `)
	reader := bufio.NewReader(os.Stdin)
	// H := jit.addModule(module)
	var globals string
	for {
		fmt.Print("puff> ")
		text, err := reader.ReadString('\n')

		if err == io.EOF {
			break
		}

		if strings.HasPrefix(text, "fn ") {
			globals = globals + "\n" + text
		} else {
			program := compile.Translate(globals+"\n"+"fn main() => "+text, "repl")
			core.ShowStates(core.Compile(program))
		}
	}
}