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.runtime;
  
  import org.jacoco.core.JaCoCo;
  import org.jacoco.core.internal.instr.InstrSupport;
  import org.objectweb.asm.MethodVisitor;
  import org.objectweb.asm.Opcodes;
  
  /**
   * This implementation of {@link IExecutionDataAccessorGenerator} generate a
   * direct dependency to the JaCoCo runtime agent to initialize the runtime and
   * obtain probe arrays. This generator is designed for offline instrumentation
   * only.
   */
  public class OfflineInstrumentationAccessGenerator implements
  		IExecutionDataAccessorGenerator {
  
  	private final String runtimeClassName;
  
  	/**
  	 * Creates a new instance for offline instrumentation.
  	 */
  	public OfflineInstrumentationAccessGenerator() {
  		this(JaCoCo.RUNTIMEPACKAGE.replace('.', '/') + "/Offline");
  	}
  
  	/**
  	 * Creates a new instance with the given runtime class name for testing
  	 * purposes
  	 * 
  	 * @param runtimeClassName
  	 *            VM name of the runtime class
  	 */
  	OfflineInstrumentationAccessGenerator(final String runtimeClassName) {
  		this.runtimeClassName = runtimeClassName;
  	}
  
  	public int generateDataAccessor(final long classid, final String classname,
  			final int probecount, final MethodVisitor mv) {
  		mv.visitLdcInsn(Long.valueOf(classid));
  		mv.visitLdcInsn(classname);
  		InstrSupport.push(mv, probecount);
  		mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeClassName, "getProbes",
  				"(JLjava/lang/String;I)[Z", false);
  		return 4;
  	}
  
  }
  