content: /*******************************************************************************
   * Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
   * 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:
   *    Marc R. Hoffmann - initial API and implementation
   *    
   *******************************************************************************/
  package org.jacoco.core.internal.flow;
  
  import org.jacoco.core.internal.instr.InstrSupport;
  import org.objectweb.asm.ClassVisitor;
  
  /**
   * A {@link ClassVisitor} with additional methods to get probe insertion
   * information for each method
   */
  public abstract class ClassProbesVisitor extends ClassVisitor {
  
  	/**
  	 * New visitor instance without delegate visitor.
  	 */
  	public ClassProbesVisitor() {
  		this(null);
  	}
  
  	/**
  	 * New visitor instance that delegates to the given visitor.
  	 * 
  	 * @param cv
  	 *            optional next visitor in chain
  	 */
  	public ClassProbesVisitor(final ClassVisitor cv) {
  		super(InstrSupport.ASM_API_VERSION, cv);
  	}
  
  	/**
  	 * When visiting a method we need a {@link MethodProbesVisitor} to handle
  	 * the probes of that method.
  	 */
  	@Override
  	public abstract MethodProbesVisitor visitMethod(int access, String name,
  			String desc, String signature, String[] exceptions);
  
  	/**
  	 * Reports the total number of encountered probes. For classes this method
  	 * is called just before {@link ClassVisitor#visitEnd()}. For interfaces
  	 * this method is called before the first method (the static initializer) is
  	 * emitted.
  	 * 
  	 * @param count
  	 *            total number of probes
  	 */
  	public abstract void visitTotalProbeCount(int count);
  
  }
  