tagging more nodes as keys.

lib/nodes.js

@@ -696,7 +696,7 @@
     __extends(Access, Base);
     function Access(name, tag) {
       this.name = name;
-      this.name.accessed = true;
+      this.name.asKey = true;
       this.proto = tag === 'proto' ? '.prototype' : '';
       this.soak = tag === 'soak';
     }
@@ -858,6 +858,9 @@
           } else if (!(prop instanceof Assign) && !(prop instanceof Comment)) {
             prop = new Assign(prop, prop, 'object');
           }
+          if (prop instanceof Value) {
+            prop.variable.base.asKey = true;
+          }
           _results.push(indent + prop.compile(o, LEVEL_TOP) + join);
         }
         return _results;
@@ -2122,10 +2125,10 @@
       }
     },
     literalArgs: function(node) {
-      return node instanceof Literal && node.value === 'arguments' && !node.accessed;
+      return node instanceof Literal && node.value === 'arguments' && !node.asKey;
     },
     literalThis: function(node) {
-      return (node instanceof Literal && node.value === 'this' && !node.accessed) || (node instanceof Code && node.bound);
+      return (node instanceof Literal && node.value === 'this' && !node.asKey) || (node instanceof Code && node.bound);
     }
   };
   unfoldSoak = function(o, parent, name) {

src/nodes.coffee

@@ -557,7 +557,7 @@ exports.Extends = class Extends extends Base
 # an access into the object's prototype.
 exports.Access = class Access extends Base
   constructor: (@name, tag) ->
-    @name.accessed = yes
+    @name.asKey = yes
     @proto = if tag is 'proto' then '.prototype' else ''
     @soak  = tag is 'soak'
 
@@ -707,6 +707,7 @@ exports.Obj = class Obj extends Base
         prop = new Assign prop.properties[0].name, prop, 'object'
       else if prop not instanceof Assign and prop not instanceof Comment
         prop = new Assign prop, prop, 'object'
+      prop.variable.base.asKey = yes if prop instanceof Value
       indent + prop.compile(o, LEVEL_TOP) + join
     props = props.join ''
     obj   = "{#{ props and '\n' + props + '\n' + @tab }}"
@@ -1673,9 +1674,9 @@ Closure =
     if statement then Expressions.wrap [call] else call
 
   literalArgs: (node) ->
-    node instanceof Literal and node.value is 'arguments' and not node.accessed
+    node instanceof Literal and node.value is 'arguments' and not node.asKey
   literalThis: (node) ->
-    (node instanceof Literal and node.value is 'this' and not node.accessed) or
+    (node instanceof Literal and node.value is 'this' and not node.asKey) or
       (node instanceof Code and node.bound)
 
 # Unfold a node's child if soak, then tuck the node under created `If`