gistfile1.js

class UsingNode extends BaseNode
  type: 'Using'
  
  constructor: (object, methods) ->
    @object: object
    @methods: methods

  compile_node: (o) ->
    if @methods[0] == "*"
      "for(var p in $@object)\n  eval('var ' + p + '=' + $@object[p] +';')"
    else
      assigns: "$prop=${@object}.$prop" for prop in @methods                   
      "var ${assigns.join(", ")}"    
    
CoffeeScript.extend ->
  return false unless @chunk.match(/^using/)
  line: @chunk.split("\n")[0]
  @i: + line.length 
  [_using, object, methods...]: line.split " "
  methods: methods.join("").replace(/^\s+|\s+$/g).split ","
  @token 'EXTENSION', new UsingNode(object, methods)
  true  


cs: """
x: 1
using MyModule *
y: 2
using MyModule get, set
"""
js: CoffeeScript.compile cs, {no_wrap: on}

alert(js)