1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "ParserTokens.h"
29#include <wtf/Vector.h>
30
31namespace JSC {
32
33class SourceProvider;
34class VM;
35
36// The order of the constants here matters as it is used for
37// sorting pause positions that have same offset.
38enum class DebuggerPausePositionType { Invalid, Enter, Pause, Leave };
39struct DebuggerPausePosition {
40 DebuggerPausePositionType type { DebuggerPausePositionType::Invalid };
41 JSTextPosition position;
42};
43
44class DebuggerPausePositions {
45public:
46 DebuggerPausePositions() { }
47 ~DebuggerPausePositions() { }
48
49 void appendPause(const JSTextPosition& position)
50 {
51 m_positions.append({ DebuggerPausePositionType::Pause, position });
52 }
53
54 void appendEntry(const JSTextPosition& position)
55 {
56 m_positions.append({ DebuggerPausePositionType::Enter, position });
57 }
58
59 void appendLeave(const JSTextPosition& position)
60 {
61 m_positions.append({ DebuggerPausePositionType::Leave, position });
62 }
63
64 Optional<JSTextPosition> breakpointLocationForLineColumn(int line, int column);
65
66 void sort();
67
68private:
69 Vector<DebuggerPausePosition> m_positions;
70};
71
72
73struct DebuggerParseData {
74 DebuggerParseData() { }
75 ~DebuggerParseData() { }
76
77 DebuggerPausePositions pausePositions;
78};
79
80bool gatherDebuggerParseDataForSource(VM&, SourceProvider*, DebuggerParseData&);
81
82} // namespace JSC
83