Repository navigation
Expand file tree
/
Copy pathYarr.h
More file actions
69 lines (58 loc) · 2.67 KB
/
Copy pathYarr.h
File metadata and controls
69 lines (58 loc) · 2.67 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
* Copyright (C) 2010 Peter Varga (pvarga@inf.u-szeged.hu), University of Szeged
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef Yarr_h
#define Yarr_h
#include "YarrInterpreter.h"
#include "YarrPattern.h"
namespace JSC { namespace Yarr {
#define YarrStackSpaceForBackTrackInfoPatternCharacter 1 // Only for !fixed quantifiers.
#define YarrStackSpaceForBackTrackInfoCharacterClass 1 // Only for !fixed quantifiers.
#define YarrStackSpaceForBackTrackInfoBackReference 2
#define YarrStackSpaceForBackTrackInfoAlternative 1 // One per alternative.
#define YarrStackSpaceForBackTrackInfoParentheticalAssertion 1
#define YarrStackSpaceForBackTrackInfoParenthesesOnce 1 // Only for !fixed quantifiers.
#define YarrStackSpaceForBackTrackInfoParenthesesTerminal 1
#define YarrStackSpaceForBackTrackInfoParentheses 2
static const unsigned quantifyInfinite = UINT_MAX;
static const unsigned offsetNoMatch = (unsigned)-1;
// The below limit restricts the number of "recursive" match calls in order to
// avoid spending exponential time on complex regular expressions.
static const unsigned matchLimit = 1000000;
enum JSRegExpResult {
JSRegExpMatch = 1,
JSRegExpNoMatch = 0,
JSRegExpErrorNoMatch = -1,
JSRegExpErrorHitLimit = -2,
JSRegExpErrorNoMemory = -3,
JSRegExpErrorInternal = -4
};
enum YarrCharSize {
Char8,
Char16
};
} } // namespace JSC::Yarr
#endif // Yarr_h