001    /*
002     * Copyright 2010-2015 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.kotlin.codegen.optimization.transformer;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.org.objectweb.asm.tree.MethodNode;
021    import org.jetbrains.org.objectweb.asm.tree.analysis.*;
022    
023    public abstract class MethodTransformer {
024        @NotNull
025        protected static <V extends Value> Frame<V>[] runAnalyzer(
026                @NotNull Analyzer<V> analyzer,
027                @NotNull String internalClassName,
028                @NotNull MethodNode node
029        ) {
030            try {
031                return analyzer.analyze(internalClassName, node);
032            }
033            catch (AnalyzerException e) {
034                throw new RuntimeException(e);
035            }
036        }
037    
038        @NotNull
039        public static <V extends Value> Frame<V>[] analyze(
040                @NotNull String internalClassName,
041                @NotNull MethodNode node,
042                @NotNull Interpreter<V> interpreter
043        ) {
044            return runAnalyzer(new Analyzer<V>(interpreter), internalClassName, node);
045        }
046    
047        public abstract void transform(@NotNull String internalClassName, @NotNull MethodNode methodNode);
048    }