001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.codegen.inline;
018    
019    import java.util.HashMap;
020    import java.util.Map;
021    
022    public class NameGenerator {
023    
024        private final String ownerMethod;
025    
026        private int nextIndex = 1;
027    
028        private final Map<String, NameGenerator> subGenerators = new HashMap<String, NameGenerator>();
029    
030        public NameGenerator(String onwerMethod) {
031            this.ownerMethod = onwerMethod;
032        }
033    
034        public String genLambdaClassName() {
035            return ownerMethod + "$" + nextIndex++;
036        }
037    
038        public NameGenerator subGenerator(String inliningMethod) {
039            NameGenerator generator = subGenerators.get(inliningMethod);
040            if (generator == null) {
041                generator = new NameGenerator(ownerMethod+ "$" + inliningMethod);
042                subGenerators.put(inliningMethod, generator);
043            }
044            return generator;
045        }
046    }