coffeescript/src/repl.coffee

# A CoffeeScript port/version of the Node.js REPL.

# Required modules.
coffee: require './coffee-script'
process.mixin require 'sys'

# Shortcut variables.
prompt: 'coffee> '
quit:   -> process.stdio.close()

# The main REPL function. Called everytime a line of code is entered.
readline: (code) -> coffee.ruby_compile code, run

# Attempt to evaluate the command. If there's an exception, print it.
run: (js) ->
  try
    val: eval(js)
    p val if val isnt undefined
  catch err
    puts err.stack or err.toString()
  print prompt

# Start up the REPL.
process.stdio.open()
process.stdio.addListener 'data', readline
print prompt