001/*
002 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.compiler.common.cfg;
024
025import java.util.*;
026import java.util.function.*;
027
028/**
029 * Represents a control-flow graph where each node can be annotated with arbitrary property pairs of
030 * the form ({@linkplain String name}, {@linkplain String value}).
031 */
032public interface PrintableCFG {
033
034    List<? extends AbstractBlockBase<?>> getBlocks();
035
036    /**
037     * Applies {@code action} to all extra property pairs (name, value) of {@code block}.
038     *
039     * @param block a block from {@link #getBlocks()}.
040     * @param action a {@link BiConsumer consumer}.
041     */
042    default void forEachPropertyPair(AbstractBlockBase<?> block, BiConsumer<String, String> action) {
043        // no extra properties per default
044    }
045}