func main() {
args := os.Args
if len(args) > 1 {
line := args[1]
tokens, err := lexer.Tokenizer(line)
if err != nil {
fmt.Printf("tokenizer %s failed: %s\n", line, err)
} else if tokens != nil {
for it := tokens.Front(); it != nil; it = it.Next() {
fmt.Printf("%+v\n", it.Value)
}
}
} else {
repl()
}
}
func repl() {
prompt()
scanner := bufio.NewScanner(os.Stdin)
scanner.Split(bufio.ScanLines)
for scanner.Scan() {
line := scanner.Text()
tokens, err := lexer.Tokenizer(line)
if err != nil {
fmt.Printf("tokenizer %s failed: %s\n", line, err)
} else if tokens != nil {
for it := tokens.Front(); it != nil; it = it.Next() {
fmt.Printf("%+v\n", it.Value)
}
}
prompt()
}
}