de.bodden.tamiflex.reporting.ReportingMethodAdapter.java Source code

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Here is the source code for de.bodden.tamiflex.reporting.ReportingMethodAdapter.java

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/*******************************************************************************
 * Copyright (c) 2011 Eric Bodden.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Eric Bodden - initial API and implementation
 ******************************************************************************/
package de.bodden.tamiflex.reporting;

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

public abstract class ReportingMethodAdapter extends MethodAdapter {

    public ReportingMethodAdapter(MethodVisitor mv) {
        super(mv);
    }

    @Override
    public void visitCode() {
        super.visitCode();
        insertCall(true);
    }

    @Override
    public void visitInsn(int opcode) {
        if (opcode == Opcodes.ARETURN) {
            insertCall(false);
        }
        super.visitInsn(opcode);
    }

    protected abstract void insertCall(boolean beginningOfMethod);

}