Mercurial > hg > truffle
view truffle/com.oracle.truffle.object/src/com/oracle/truffle/object/Debug.java @ 22356:364bab1763c9
add option for dumping shapes to a DOT file
author | Andreas Woess <andreas.woess@oracle.com> |
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date | Tue, 10 Nov 2015 19:59:29 +0100 |
parents | dc83cc1f94f2 |
children | 9c1d40221bf9 |
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/* * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.truffle.object; import java.io.File; import java.io.FileNotFoundException; import java.io.PrintWriter; import java.io.UnsupportedEncodingException; import java.nio.file.Paths; import java.util.Collection; import java.util.concurrent.ConcurrentLinkedQueue; import com.oracle.truffle.object.debug.GraphvizShapeVisitor; import com.oracle.truffle.object.debug.JSONShapeVisitor; class Debug { private static Collection<ShapeImpl> allShapes; static void registerShape(ShapeImpl newShape) { allShapes.add(newShape); } static { if (ObjectStorageOptions.DumpShapes) { allShapes = new ConcurrentLinkedQueue<>(); } if (ObjectStorageOptions.DumpShapes) { Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() { public void run() { try { if (ObjectStorageOptions.DumpShapesDOT) { dumpDOT(); } if (ObjectStorageOptions.DumpShapesJSON) { dumpJSON(); } } catch (FileNotFoundException | UnsupportedEncodingException e) { throw new RuntimeException(e); } } private void dumpDOT() throws FileNotFoundException, UnsupportedEncodingException { try (PrintWriter out = new PrintWriter(getOutputFile("dot"), "UTF-8")) { GraphvizShapeVisitor visitor = new GraphvizShapeVisitor(); for (ShapeImpl shape : allShapes) { shape.accept(visitor); } out.println(visitor); } } private void dumpJSON() throws FileNotFoundException, UnsupportedEncodingException { try (PrintWriter out = new PrintWriter(getOutputFile("json"), "UTF-8")) { out.println("{\"shapes\": ["); boolean first = true; for (ShapeImpl shape : allShapes) { if (!first) { out.println(","); } first = false; out.print(shape.accept(new JSONShapeVisitor())); } if (!first) { out.println(); } out.println("]}"); } } private File getOutputFile(String extension) { return Paths.get(ObjectStorageOptions.DumpShapesPath, "shapes." + extension).toFile(); } })); } } }