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) },
)
}
}
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
}