Mercurial > hg > graal-jvmci-8
comparison graal/com.oracle.truffle.object/src/com/oracle/truffle/object/Debug.java @ 18408:2c3666f44855
Truffle: initial commit of object API implementation
author | Andreas Woess <andreas.woess@jku.at> |
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date | Tue, 18 Nov 2014 23:19:43 +0100 |
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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 } |