Mercurial > hg > truffle
diff graal/GraalCompiler/src/com/sun/c1x/debug/GraphvizPrinterObserver.java @ 2648:d456b679b6de
Add option PrintDOTGraphToFile to produce Graphviz graphs in the DOT language for compiled methods that match PrintFilter
author | Peter Hofer <peter.hofer@jku.at> |
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date | Wed, 11 May 2011 14:45:32 +0200 |
parents | |
children | 6ab73784566a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/GraalCompiler/src/com/sun/c1x/debug/GraphvizPrinterObserver.java Wed May 11 14:45:32 2011 +0200 @@ -0,0 +1,73 @@ +/* + * 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 com.oracle.graal.graph.*; +import com.oracle.graal.graph.vis.*; +import com.sun.c1x.observer.*; + +/** + * 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 int n; + + public GraphvizPrinterObserver() { + } + + public void compilationStarted(CompilationEvent event) { + n = 0; + } + + public void compilationFinished(CompilationEvent event) { + } + + public void compilationEvent(CompilationEvent event) { + if (event.getStartBlock() != null && !TTY.isSuppressed()) { + Graph graph = event.getStartBlock().graph(); + + String name = event.getMethod().holder().name(); + name = name.substring(1, name.length() - 1).replace('/', '.'); + name = name + "." + event.getMethod().name(); + try { + FileOutputStream stream = new FileOutputStream(name + "_" + n + "_" + event.getLabel() + ".gv"); + n++; + + GraphvizPrinter printer = new GraphvizPrinter(stream); + printer.begin(name); + printer.print(graph, true); + printer.end(); + + stream.close(); + } catch (IOException e) { + e.printStackTrace(); + } + } + } +}