class JSIdentifier extends JSString { JSIdentifier(String s) { super(s); } String print(String indent) { return indent + "JSIdentifier : " + s + "\n"; } void eval(Environment theEnv) { theEnv.theStack.push(this); theEnv.scope.getProp(theEnv); } void evalLHS(Environment theEnv) { theEnv.theStack.push(this); theEnv.theStack.push(theEnv.scope); } }