Beispiel #1
0
func main() {
	if len(os.Args) > 1 {
		if err := EvalFile(os.Args[1]); err != nil {
			fmt.Println(err)
		}
		return
	}

	lib, err := LoadStdlib()
	if err != nil {
		fmt.Println(err)
		return
	}
	env := scope.NewRootScope()
	repl.REPL(lib, env)
	reader := bufio.NewReader(os.Stdin)

	fmt.Printf("%s (%v)\n", version, time.Now().Format(time.RFC850))

	for {
		fmt.Print(">>> ")
		line, _, _ := reader.ReadLine()
		try(
			func() {
				r := repl.REPL(string(line), env)
				if len(r) > 0 {
					fmt.Println(r)
				}
			},
			func(e interface{}) { fmt.Println(e) },
		)
	}
}
Beispiel #2
0
func EvalFile(filename string) error {
	lib, err := LoadStdlib()
	if err != nil {
		return err
	}
	exprs, err := ioutil.ReadFile(filename)
	if err != nil {
		return err
	}
	fmt.Println(repl.REPL(string(lib)+string(exprs), scope.NewRootScope()))
	return nil
}