# IFrameInserter.java

    /*******************************************************************************
     * Copyright (c) 2009, 2013 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.instr;

    /**
     * Internal interface for insertion of additional stackmap frame in the
     * instruction sequence of a method.
     */
    interface IFrameInserter {

    	/**
    	 * Empty implementation.
    	 */
    	static final IFrameInserter NOP = new IFrameInserter() {
    		public void insertFrame() {
    		}
    	};

    	/**
    	 * Inserts an additional frame reflecting the current locals and stack
    	 * types.
    	 */
    	void insertFrame();

    }