adding @property for this.property

extras/CoffeeScript.tmbundle/Syntaxes/CoffeeScript.tmLanguage

@@ -72,6 +72,12 @@
 			<key>name</key>
 			<string>constant.numeric.coffee</string>
 		</dict>
+		<dict>
+		  <key>match</key>
+		  <string>(@)[a-zA-Z_$]\w*</string>
+		  <key>name</key>
+		  <string>variable.other.readwrite.instance.coffee</string>
+		</dict>
     <dict>
       <key>name</key>
       <string>string.quoted.heredoc.coffee</string>

lib/coffee_script/grammar.y

@@ -238,6 +238,7 @@ rule
   | Object                            { result = ValueNode.new(val[0]) }
   | Parenthetical                     { result = ValueNode.new(val[0]) }
   | Range                             { result = ValueNode.new(val[0]) }
+  | This                              { result = ValueNode.new(val[0]) }
   | Value Accessor                    { result = val[0] << val[1] }
   | Invocation Accessor               { result = ValueNode.new(val[0], [val[1]]) }
   ;
@@ -300,6 +301,12 @@ rule
     SUPER CALL_START ArgList CALL_END { result = CallNode.new(Value.new('super'), val[2]) }
   ;
 
+  # This references, either naked or to a property.
+  This:
+    '@'                               { result = ThisNode.new }
+  | '@' IDENTIFIER                    { result = ThisNode.new(val[1]) }
+  ;
+
   # The range literal.
   Range:
     "[" Expression

lib/coffee_script/nodes.rb

@@ -429,6 +429,18 @@ module CoffeeScript
     end
   end
 
+  # A this-reference, using '@'.
+  class ThisNode < Node
+    def initialize(property=nil)
+      @property = property
+    end
+
+    def compile_node(o)
+      prop = @property ? ".#{@property}" : ''
+      write("this#{prop}")
+    end
+  end
+
   # A range literal. Ranges can be used to extract portions (slices) of arrays,
   # or to specify a range for array comprehensions.
   class RangeNode < Node

test/fixtures/execution/test_literals.coffee

@@ -34,4 +34,15 @@ print i is 0
 
 money$: 'dollars'
 
-print money$ is 'dollars'
+print money$ is 'dollars'
+
+
+bob: {
+  name:  'Bob'
+  greet: (salutation) ->
+    salutation + " " + @name
+  hello: ->
+    @greet("Hello")
+}
+
+print bob.hello() is "Hello Bob"