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comparison truffle/com.oracle.truffle.object/src/com/oracle/truffle/object/Debug.java @ 21951:9c8c0937da41

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Moving all sources into truffle subdirectory
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 17 Jun 2015 10:58:08 +0200
parents graal/com.oracle.truffle.object/src/com/oracle/truffle/object/Debug.java@2c3666f44855
children dc83cc1f94f2
comparison
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21950:2a5011c7e641 21951:9c8c0937da41
1 /*
2 * Copyright (c) 2014, 2014, 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 package com.oracle.truffle.object;
24
25 import java.io.*;
26 import java.util.*;
27 import java.util.concurrent.*;
28
29 import com.oracle.truffle.object.debug.*;
30
31 class Debug {
32 private static Collection<ShapeImpl> allShapes;
33
34 static void registerShape(ShapeImpl newShape) {
35 allShapes.add(newShape);
36 }
37
38 static {
39 if (ObjectStorageOptions.DumpShapes) {
40 allShapes = new ConcurrentLinkedQueue<>();
41 }
42
43 if (ObjectStorageOptions.DumpShapes) {
44 Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
45 public void run() {
46 try (PrintWriter out = new PrintWriter("shapes.json", "UTF-8")) {
47 out.println("{\"shapes\": [");
48 boolean first = true;
49 for (ShapeImpl shape : allShapes) {
50 if (!first) {
51 out.println(",");
52 }
53 first = false;
54 out.print(shape.accept(new JSONShapeVisitor()));
55 }
56 if (!first) {
57 out.println();
58 }
59 out.println("]}");
60 } catch (FileNotFoundException | UnsupportedEncodingException e) {
61 throw new RuntimeException(e);
62 }
63 }
64 }));
65 }
66 }
67 }