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comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/DefaultDebugManager.java @ 13732:fbf448929260

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Ruby: remove some prototyping code no longer needed
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Sat, 18 Jan 2014 22:12:42 -0800
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children 4d47e9c0df23
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13684:72f85504e79e 13732:fbf448929260
1 /*
2 * Copyright (c) 2013, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package com.oracle.truffle.api.impl;
26
27 import java.util.*;
28
29 import com.oracle.truffle.api.*;
30 import com.oracle.truffle.api.frame.*;
31 import com.oracle.truffle.api.nodes.*;
32 import com.oracle.truffle.api.nodes.instrument.InstrumentationProbeNode.ProbeChain;
33 import com.oracle.truffle.api.source.*;
34
35 public final class DefaultDebugManager implements DebugManager {
36
37 private final Set<Source> loadedSources = new HashSet<>();
38
39 private Source beingLoaded = null;
40
41 /**
42 * Map: SourceSection ==> probe chain associated with that source section in an AST.
43 */
44 private final Map<SourceSection, ProbeChain> srcToProbeChain = new HashMap<>();
45
46 /**
47 * Map: Source lines ==> probe chains associated with source sections starting on the line.
48 */
49 private final Map<SourceLineLocation, Set<ProbeChain>> lineToProbeChains = new HashMap<>();
50
51 private final ExecutionContext context;
52
53 public DefaultDebugManager(ExecutionContext context) {
54 this.context = context;
55 }
56
57 /**
58 * Gets the {@linkplain ProbeChain probe} associated with a particular {@link SourceSection
59 * source location}, creating a new one if needed. There should only be one probe associated
60 * with each {@linkplain SourceSection source location}.
61 */
62 public ProbeChain getProbeChain(SourceSection sourceSection) {
63 assert sourceSection != null;
64 assert sourceSection.getSource().equals(beingLoaded);
65
66 ProbeChain probeChain = srcToProbeChain.get(sourceSection);
67
68 if (probeChain != null) {
69 return probeChain;
70 }
71 probeChain = new ProbeChain(context, sourceSection, null);
72
73 // Register new ProbeChain by unique SourceSection
74 srcToProbeChain.put(sourceSection, probeChain);
75
76 // Register new ProbeChain by source line, there may be more than one
77 // Create line location for map key
78 final SourceLineLocation lineLocation = new SourceLineLocation(sourceSection.getSource(), sourceSection.getStartLine());
79
80 Set<ProbeChain> probeChains = lineToProbeChains.get(lineLocation);
81 if (probeChains == null) {
82 probeChains = new HashSet<>();
83 lineToProbeChains.put(lineLocation, probeChains);
84 }
85 probeChains.add(probeChain);
86
87 return probeChain;
88 }
89
90 @Override
91 public void notifyStartLoading(Source source) {
92 assert beingLoaded == null;
93 beingLoaded = source;
94 }
95
96 @Override
97 public void notifyFinishedLoading(Source source) {
98 assert source == beingLoaded;
99 loadedSources.add(source);
100 beingLoaded = null;
101 }
102
103 public void haltedAt(Node astNode, MaterializedFrame frame) {
104 }
105
106 }