1 /*
   2  * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 package org.graalvm.compiler.core.common.cfg;
  26 
  27 import java.util.function.BiConsumer;
  28 
  29 /**
  30  * Represents a control-flow graph where each node can be annotated with arbitrary property pairs of
  31  * the form ({@linkplain String name}, {@linkplain String value}).
  32  */
  33 public interface PrintableCFG {
  34 
  35     AbstractBlockBase<?>[] getBlocks();
  36 
  37     /**
  38      * Applies {@code action} to all extra property pairs (name, value) of {@code block}.
  39      *
  40      * @param block a block from {@link #getBlocks()}.
  41      * @param action a {@link BiConsumer consumer}.
  42      */
  43     default void forEachPropertyPair(AbstractBlockBase<?> block, BiConsumer<String, String> action) {
  44         // no extra properties per default
  45     }
  46 }