/*
* Copyright 2013 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.dev.js;
/**
* An interface for producing fresh names.
*
* Objects that implement this generator retain some global state about scopes/programs to be
* able to produce fresh names.
*
* The names produced by a name generator might be arbitrary as long as they are fresh. Specific
* FreshNameGenerators might be related to global renamers to produce fresh names according to
* some consistent pattern. E.g. after a program is obfuscated one might need a FreshNameGenerator
* that produces fresh obfuscated names to be introduced to the ast.
*/
public interface FreshNameGenerator {
/**
* returns a fresh (unused) name.
*/
String getFreshName();
}