org.evosuite.runtime.instrumentation.RemoveFinalClassAdapter.java Source code

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Here is the source code for org.evosuite.runtime.instrumentation.RemoveFinalClassAdapter.java

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/**
 * Copyright (C) 2010-2016 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
 */
package org.evosuite.runtime.instrumentation;

import java.util.LinkedHashSet;
import java.util.Set;

import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;

public class RemoveFinalClassAdapter extends ClassVisitor {

    public static final Set<String> finalClasses = new LinkedHashSet<String>();

    public RemoveFinalClassAdapter(ClassVisitor cv) {
        super(Opcodes.ASM5, cv);
    }

    /**
     * Remove "final" accessor from class definition
     */
    @Override
    public void visit(int version, int access, String name, String signature, String superName,
            String[] interfaces) {
        if ((access & Opcodes.ACC_FINAL) == Opcodes.ACC_FINAL) {
            finalClasses.add(name.replace('/', '.'));
        }
        super.visit(version, access & ~Opcodes.ACC_FINAL, name, signature, superName, interfaces);
    }

    /**
     * Remove "final" accessor from inner class definition
     */
    @Override
    public void visitInnerClass(String name, String outerName, String innerName, int access) {
        if ((access & Opcodes.ACC_FINAL) == Opcodes.ACC_FINAL) {
            finalClasses.add(name.replace('/', '.'));
        }
        super.visitInnerClass(name, outerName, innerName, access & ~Opcodes.ACC_FINAL);
    }

    @Override
    public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
        return super.visitMethod(access & ~Opcodes.ACC_FINAL, name, desc, signature, exceptions);
    }

    public static void reset() {
        finalClasses.clear();
    }
}