Mercurial > hg > truffle
view graal/GraalCompiler/src/com/sun/c1x/debug/GraphvizPrinterObserver.java @ 2818:bf12196e2a60
Made null checks floating.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Mon, 30 May 2011 15:36:06 +0200 |
parents | b003ea36fa12 |
children | 633e66de40fe |
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/* * Copyright (c) 2011, 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.sun.c1x.debug; import java.io.*; import java.util.regex.*; import com.oracle.graal.graph.*; import com.oracle.graal.graph.vis.*; import com.sun.c1x.*; import com.sun.c1x.ir.*; import com.sun.c1x.observer.*; import com.sun.c1x.value.*; /** * Observes compilation events and uses {@link GraphvizPrinter} to produce a control flow graph in the DOT language * which can be visualized with Graphviz. * * @author Peter Hofer */ public class GraphvizPrinterObserver implements CompilationObserver { private static final Pattern INVALID_CHAR = Pattern.compile("[^A-Za-z0-9_.-]"); private final boolean pdf; private int n; public GraphvizPrinterObserver(boolean pdf) { this.pdf = pdf; } public void compilationStarted(CompilationEvent event) { n = 0; } public void compilationFinished(CompilationEvent event) { } public void compilationEvent(CompilationEvent event) { if (event.getGraph() != null && !TTY.isSuppressed()) { Graph graph = event.getGraph(); String name = event.getMethod().holder().name(); name = name.substring(1, name.length() - 1).replace('/', '.'); name = name + "." + event.getMethod().name(); String filename = name + "_" + (n++) + "_" + event.getLabel(); filename = INVALID_CHAR.matcher(filename).replaceAll("_"); OutputStream out = null; try { if (pdf) { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); printGraph(graph, name, buffer); out = new FileOutputStream(filename + ".pdf"); GraphvizRunner.process(GraphvizRunner.DOT_LAYOUT, new ByteArrayInputStream(buffer.toByteArray()), out, "pdf"); } else { out = new FileOutputStream(filename + ".gv"); printGraph(graph, name, out); } } catch (IOException e) { e.printStackTrace(); } finally { if (out != null) { try { out.close(); } catch (IOException e) { } } } } } private static void printGraph(Graph graph, String name, OutputStream buffer) { GraphvizPrinter printer = new GraphvizPrinter(buffer); if (C1XOptions.OmitDOTFrameStates) { printer.addOmittedClass(FrameState.class); } printer.addClassColor(StartNode.class, "snow3"); printer.addClassColor(EndNode.class, "snow3"); printer.addClassColor(LoopBegin.class, "skyblue"); printer.addClassColor(LoopEnd.class, "skyblue3"); printer.addClassColor(Unwind.class, "red"); printer.addClassColor(Return.class, "indianred1"); printer.begin(name); printer.print(graph, true); printer.end(); } }