func loadFiles() {
env := yall.NewEnv()
for i := 0; i < flag.NArg(); i++ {
file, err := os.Open(flag.Arg(i))
if file == nil {
fmt.Fprintf(os.Stderr, "Can't open %s: error %s\n",
flag.Arg(i), err)
os.Exit(1)
}
defer file.Close()
env.Load(file)
}
}
func repl() {
env := yall.NewEnv()
for {
prompt()
reader := bufio.NewReader(os.Stdin)
line, _, err := reader.ReadLine()
if nil != err {
return
}
func() {
defer func() {
if r := recover(); r != nil {
fmt.Println(r)
}
}()
if result := env.EvalString(string(line)); result != nil {
fmt.Println(result.String())
}
}()
}
fmt.Println()
}