--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.printer/src/com/oracle/graal/printer/DecompilerDebugDumpHandler.java	Sun Jun 23 21:36:00 2013 +0200
@@ -0,0 +1,108 @@
+/*
+ * 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.oracle.graal.printer;
+
+import java.io.*;
+import java.util.concurrent.atomic.*;
+
+import static com.oracle.graal.phases.GraalOptions.*;
+
+import com.oracle.graal.debug.*;
+import com.oracle.graal.java.decompiler.*;
+import com.oracle.graal.nodes.*;
+import com.oracle.graal.phases.schedule.*;
+
+public class DecompilerDebugDumpHandler implements DebugDumpHandler {
+
+    private final PrintStream infoPrintStream = System.out;
+    private File file;
+    private FileOutputStream fos;
+    private PrintStream printStream;
+    private String fileName;
+    private static final AtomicInteger uniqueId = new AtomicInteger();
+
+    @Override
+    public void dump(Object object, final String message) {
+        if (object instanceof StructuredGraph) {
+            if (Debug.currentScope().contains("LowTier")) {
+                // no decompilation after high / mid tier
+                return;
+            }
+            final StructuredGraph graph = (StructuredGraph) object;
+            String filter = DecompileAfterPhase.getValue();
+            if (filter.endsWith("Phase")) {
+                filter = filter.substring(0, filter.indexOf("Phase"));
+            }
+
+            if (printStream == null) {
+                fileName = "decompilerDump_" + uniqueId.incrementAndGet() + "_" + System.currentTimeMillis() + ".txt";
+                file = new File(fileName);
+                try {
+                    fos = new FileOutputStream(file, true);
+                } catch (FileNotFoundException e) {
+                    throw new IllegalStateException(e);
+                }
+                printStream = new PrintStream(fos);
+                infoPrintStream.println("Dump Decompiler Output to " + file.getAbsolutePath());
+            }
+
+            final String currentScope = Debug.currentScope();
+            if (currentScope.endsWith(filter) && graph.method() != null) {
+                final String methodName = graph.method().getName();
+                Debug.sandbox("Printing Decompiler Output", null, new Runnable() {
+
+                    @Override
+                    public void run() {
+                        printStream.println();
+                        printStream.println("Object: " + methodName);
+                        printStream.println("Message: " + message);
+                        new Decompiler(graph, getPredefinedSchedule(), printStream, infoPrintStream, currentScope).decompile();
+                        printStream.flush();
+                    }
+                });
+
+            }
+        }
+    }
+
+    private static SchedulePhase getPredefinedSchedule() {
+        SchedulePhase result = null;
+        for (Object o : Debug.context()) {
+            if (o instanceof SchedulePhase) {
+                result = (SchedulePhase) o;
+            }
+        }
+        return result;
+    }
+
+    @Override
+    public void close() {
+        try {
+            printStream.close();
+            fos.close();
+        } catch (IOException e) {
+            throw new IllegalStateException(e);
+        }
+    }
+
+}