livescript/step1_read_print.ls

   1 readline = require './node_readline'
   2 {id} = require 'prelude-ls'
   3 {read_str, OnlyComment} = require './reader'
   4 {pr_str} = require './printer'
   5
   6
   7 EVAL = id
   8
   9 rep = (line) -> pr_str EVAL read_str line
  10
  11 loop
  12     line = readline.readline 'user> '
  13     break if not line? or line == ''
  14     try
  15         console.log rep line
  16     catch {message}: ex
  17         if ex not instanceof OnlyComment
  18             console.log message