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 kotlin.jvm.KotlinSignature;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.org.objectweb.asm.tree.MethodNode;
022    import org.jetbrains.org.objectweb.asm.tree.analysis.*;
023    
024    public abstract class MethodTransformer {
025    
026        @KotlinSignature("fun <V : Value?> runAnalyzer(analyzer: Analyzer<V>, internalClassName: String, node: MethodNode): Array<Frame<V>?>")
027        @NotNull
028        protected static <V extends Value> Frame<V>[] runAnalyzer(
029                @NotNull Analyzer<V> analyzer,
030                @NotNull String internalClassName,
031                @NotNull MethodNode node
032        ) {
033            try {
034                return analyzer.analyze(internalClassName, node);
035            }
036            catch (AnalyzerException e) {
037                throw new RuntimeException(e);
038            }
039        }
040    
041        @KotlinSignature("fun <V : Value?> analyze(internalClassName: String, node: MethodNode, interpreter: Interpreter<V>): Array<Frame<V>?>")
042        @NotNull
043        protected static <V extends Value> Frame<V>[] analyze(
044                @NotNull String internalClassName,
045                @NotNull MethodNode node,
046                @NotNull Interpreter<V> interpreter
047        ) {
048            return runAnalyzer(new Analyzer<V>(interpreter), internalClassName, node);
049        }
050    
051        abstract public void transform(@NotNull String internalClassName, @NotNull MethodNode methodNode);
052    }