Merge branch 'master' of https://github.com/ryszard/coffee-script into 1.1-pre

src/autocomplete.coffee

@@ -0,0 +1,34 @@
+
+{RESERVED} = require './coffee-script'
+Script = process.binding('evals').Script
+
+# Return elements of candidates for which `prefix` is a prefix.
+get_completions = (prefix, candidates) ->
+  (el for el in candidates when el.indexOf(prefix) == 0)
+
+get_property_names = (o) ->
+  try
+    Object.getOwnPropertyNames(o)
+  catch error
+    (k for k of o)
+
+complete_attribute = (text) ->
+  match = /\s*([\w\.]+)(?:\.(\w*))$/.exec(text)
+  if match?
+    [ob, prefix] = [match[1], match[2]]
+    try
+      val = Script.runInThisContext ob
+    catch error
+      return [[], text]
+    completions = get_completions prefix, get_property_names val
+    [completions, prefix]
+
+complete_variable = (text) ->
+  free = /\W*(\w*)$/i.exec(text)?[1]
+  if free?
+    completions = get_completions free, RESERVED.concat(get_property_names Script.runInThisContext 'this')
+    [completions, free]
+
+# Returns a list of completions and the completed text
+exports.complete = (text) ->
+  complete_attribute(text) or complete_variable(text) or [[], text]

src/repl.coffee

@@ -7,6 +7,7 @@
 # Require the **coffee-script** module to get access to the compiler.
 CoffeeScript = require './coffee-script'
 helpers      = require './helpers'
+autocomplete = require './autocomplete'
 readline     = require 'readline'
 
 # Start by opening up **stdio**.
@@ -34,7 +35,7 @@ run = (buffer) ->
 process.on 'uncaughtException', error
 
 # Create the REPL by listening to **stdin**.
-repl = readline.createInterface stdio
+repl = readline.createInterface stdio, autocomplete.complete
 repl.setPrompt 'coffee> '
 stdio.on 'data',   (buffer) -> repl.write buffer
 repl.on  'close',  -> stdio.destroy()