From 863de88671d82b3c3cecd4026ce0db8d4ea29b80 Mon Sep 17 00:00:00 2001
From: Jeremy Ashkenas <jashkenas@gmail.com>
Date: Mon, 8 Feb 2010 23:45:46 -0500
Subject: [PATCH] CoffeeScript-in-CoffeeScript can compile object[indexes]

---
 lib/coffee_script/nodes.js | 12 +++++++++++-
 src/nodes.coffee           | 13 +++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/lib/coffee_script/nodes.js b/lib/coffee_script/nodes.js
index 947450e1..495f0dcb 100644
--- a/lib/coffee_script/nodes.js
+++ b/lib/coffee_script/nodes.js
@@ -1,5 +1,5 @@
 (function(){
-  var AccessorNode, CallNode, CommentNode, Expressions, ExtendsNode, LiteralNode, Node, ReturnNode, TAB, TRAILING_WHITESPACE, ValueNode, any, compact, del, dup, flatten, inherit, merge, statement;
+  var AccessorNode, CallNode, CommentNode, Expressions, ExtendsNode, IndexNode, LiteralNode, Node, ReturnNode, TAB, TRAILING_WHITESPACE, ValueNode, any, compact, del, dup, flatten, inherit, merge, statement;
   var __hasProp = Object.prototype.hasOwnProperty;
   process.mixin(require('./scope'));
   // The abstract base class for all CoffeeScript nodes.
@@ -734,4 +734,14 @@
       return '.' + (this.prototype ? 'prototype.' : '') + this.name.compile(o);
     }
   }));
+  // An indexed accessor into a part of an array or object.
+  IndexNode = (exports.IndexNode = inherit(Node, {
+    constructor: function constructor(index) {
+      this.children = [(this.index = index)];
+      return this;
+    },
+    compile_node: function compile_node(o) {
+      return '[' + this.index.compile(o) + ']';
+    }
+  }));
 })();
\ No newline at end of file
diff --git a/src/nodes.coffee b/src/nodes.coffee
index 8ddaf674..4b5034b0 100644
--- a/src/nodes.coffee
+++ b/src/nodes.coffee
@@ -460,6 +460,19 @@ AccessorNode: exports.AccessorNode: inherit Node, {
 }
 
 
+# An indexed accessor into a part of an array or object.
+IndexNode: exports.IndexNode: inherit Node, {
+
+  constructor: (index) ->
+    @children: [@index: index]
+    this
+
+  compile_node: (o) ->
+    '[' + @index.compile(o) + ']'
+
+}
+
+