Mercurial > hg > truffle

annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLStackTraceBuiltin.java @ 15064:f675818d9ad0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
new getStackTrace and getCurrentFrame functionality in TruffleRuntime
author Lukas Stadler <lukas.stadler@oracle.com>
date Fri, 11 Apr 2014 11:53:11 +0200
parents
children d3add9b82b71
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
15064
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
1 /*
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
4 *
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
7 * published by the Free Software Foundation.
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
8 *
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
13 * accompanied this code).
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
14 *
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
18 *
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
21 * questions.
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
22 */
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
23 package com.oracle.truffle.sl.builtins;
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
24
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
25 import com.oracle.truffle.api.*;
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
26 import com.oracle.truffle.api.CompilerDirectives.SlowPath;
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
27 import com.oracle.truffle.api.dsl.*;
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
28 import com.oracle.truffle.api.frame.*;
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
29 import com.oracle.truffle.api.frame.FrameInstance.FrameAccess;
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
30 import com.oracle.truffle.api.nodes.*;
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
31
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
32 /**
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
33 * Returns a string representation of the current stack. This includes the {@link CallTarget}s and
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
34 * the contents of the {@link Frame}. Note that this is implemented as a slow path by passing
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
35 * {@code true} to {@link FrameInstance#getFrame(FrameAccess, boolean)}.
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
36 */
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
37 @NodeInfo(shortName = "stacktrace")
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
38 public abstract class SLStackTraceBuiltin extends SLBuiltinNode {
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
39
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
40 @Specialization
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
41 public String trace() {
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
42 return createStackTrace();
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
43 }
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
44
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
45 @SlowPath
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
46 private static String createStackTrace() {
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
47 StringBuilder str = new StringBuilder();
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
48 for (FrameInstance frame : Truffle.getRuntime().getStackTrace()) {
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
49 dumpFrame(str, frame.getCallNode().getRootNode(), frame.getFrame(FrameAccess.READ_ONLY, true), frame.isVirtualFrame());
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
50 }
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
51 return str.toString();
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
52 }
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
53
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
54 private static void dumpFrame(StringBuilder str, RootNode rootNode, Frame frame, boolean isVirtual) {
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
55 if (str.length() > 0) {
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
56 str.append("\n");
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
57 }
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
58 str.append("Frame: ").append(rootNode).append(isVirtual ? " (virtual)" : "");
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
59 FrameDescriptor frameDescriptor = frame.getFrameDescriptor();
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
60 for (FrameSlot s : frameDescriptor.getSlots()) {
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
61 str.append(", ").append(s.getIdentifier()).append("=").append(frame.getValue(s));
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
62 }
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
63 }
f675818d9ad0 new getStackTrace and getCurrentFrame functionality in TruffleRuntime
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff changeset
64 }