CoffeeScript-in-CoffeeScript can compile @property references.

lib/coffee_script/parser.js

@@ -212,6 +212,8 @@
         return new ValueNode($1);
       }), o("Range", function() {
         return new ValueNode($1);
+      }), o("This", function() {
+        return new ValueNode($1);
       }), o("Value Accessor", function() {
         return $1.push($2);
       }), o("Invocation Accessor", function() {
@@ -285,6 +287,13 @@
         return new CallNode('super', $3);
       })
     ],
+    // This references, either naked or to a property.
+    This: [o("@", function() {
+        return new ThisNode();
+      }), o("@ IDENTIFIER", function() {
+        return new ThisNode(yytext);
+      })
+    ],
     // The range literal.
     Range: [o("[ Expression . . Expression ]", function() {
         return new RangeNode($2, $5);