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comparison vendor/github.com/dlclark/regexp2/ATTRIB @ 66:787b5ee0289d draft

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Use vendored modules Signed-off-by: Izuru Yakumo <yakumo.izuru@chaotic.ninja>
author yakumo.izuru
date Sun, 23 Jul 2023 13:18:53 +0000
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65:6d985efa0f7a 66:787b5ee0289d
1 ============
2 These pieces of code were ported from dotnet/corefx:
3
4 syntax/charclass.go (from RegexCharClass.cs): ported to use the built-in Go unicode classes. Canonicalize is
5 a direct port, but most of the other code required large changes because the C# implementation
6 used a string to represent the CharSet data structure and I cleaned that up in my implementation.
7
8 syntax/code.go (from RegexCode.cs): ported literally with various cleanups and layout to make it more Go-ish.
9
10 syntax/escape.go (from RegexParser.cs): ported Escape method and added some optimizations. Unescape is inspired by
11 the C# implementation but couldn't be directly ported because of the lack of do-while syntax in Go.
12
13 syntax/parser.go (from RegexpParser.cs and RegexOptions.cs): ported parser struct and associated methods as
14 literally as possible. Several language differences required changes. E.g. lack pre/post-fix increments as
15 expressions, lack of do-while loops, lack of overloads, etc.
16
17 syntax/prefix.go (from RegexFCD.cs and RegexBoyerMoore.cs): ported as literally as possible and added support
18 for unicode chars that are longer than the 16-bit char in C# for the 32-bit rune in Go.
19
20 syntax/replacerdata.go (from RegexReplacement.cs): conceptually ported and re-organized to handle differences
21 in charclass implementation, and fix odd code layout between RegexParser.cs, Regex.cs, and RegexReplacement.cs.
22
23 syntax/tree.go (from RegexTree.cs and RegexNode.cs): ported literally as possible.
24
25 syntax/writer.go (from RegexWriter.cs): ported literally with minor changes to make it more Go-ish.
26
27 match.go (from RegexMatch.cs): ported, simplified, and changed to handle Go's lack of inheritence.
28
29 regexp.go (from Regex.cs and RegexOptions.cs): conceptually serves the same "starting point", but is simplified
30 and changed to handle differences in C# strings and Go strings/runes.
31
32 replace.go (from RegexReplacement.cs): ported closely and then cleaned up to combine the MatchEvaluator and
33 simple string replace implementations.
34
35 runner.go (from RegexRunner.cs): ported literally as possible.
36
37 regexp_test.go (from CaptureTests.cs and GroupNamesAndNumbers.cs): conceptually ported, but the code was
38 manually structured like Go tests.
39
40 replace_test.go (from RegexReplaceStringTest0.cs): conceptually ported
41
42 rtl_test.go (from RightToLeft.cs): conceptually ported
43 ---
44 dotnet/corefx was released under this license:
45
46 The MIT License (MIT)
47
48 Copyright (c) Microsoft Corporation
49
50 Permission is hereby granted, free of charge, to any person obtaining a copy
51 of this software and associated documentation files (the "Software"), to deal
52 in the Software without restriction, including without limitation the rights
53 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
54 copies of the Software, and to permit persons to whom the Software is
55 furnished to do so, subject to the following conditions:
56
57 The above copyright notice and this permission notice shall be included in all
58 copies or substantial portions of the Software.
59
60 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
61 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
62 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
63 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
64 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
65 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
66 SOFTWARE.
67
68 ============
69 These pieces of code are copied from the Go framework:
70
71 - The overall directory structure of regexp2 was inspired by the Go runtime regexp package.
72 - The optimization in the escape method of syntax/escape.go is from the Go runtime QuoteMeta() func in regexp/regexp.go
73 - The method signatures in regexp.go are designed to match the Go framework regexp methods closely
74 - func regexp2.MustCompile and func quote are almost identifical to the regexp package versions
75 - BenchmarkMatch* and TestProgramTooLong* funcs in regexp_performance_test.go were copied from the framework
76 regexp/exec_test.go
77 ---
78 The Go framework was released under this license:
79
80 Copyright (c) 2012 The Go Authors. All rights reserved.
81
82 Redistribution and use in source and binary forms, with or without
83 modification, are permitted provided that the following conditions are
84 met:
85
86 * Redistributions of source code must retain the above copyright
87 notice, this list of conditions and the following disclaimer.
88 * Redistributions in binary form must reproduce the above
89 copyright notice, this list of conditions and the following disclaimer
90 in the documentation and/or other materials provided with the
91 distribution.
92 * Neither the name of Google Inc. nor the names of its
93 contributors may be used to endorse or promote products derived from
94 this software without specific prior written permission.
95
96 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
97 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
98 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
99 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
100 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
101 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
102 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
103 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
104 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
105 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
106 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
107
108 ============
109 Some test data were gathered from the Mono project.
110
111 regexp_mono_test.go: ported from https://github.com/mono/mono/blob/master/mcs/class/System/Test/System.Text.RegularExpressions/PerlTrials.cs
112 ---
113 Mono tests released under this license:
114
115 Permission is hereby granted, free of charge, to any person obtaining
116 a copy of this software and associated documentation files (the
117 "Software"), to deal in the Software without restriction, including
118 without limitation the rights to use, copy, modify, merge, publish,
119 distribute, sublicense, and/or sell copies of the Software, and to
120 permit persons to whom the Software is furnished to do so, subject to
121 the following conditions:
122
123 The above copyright notice and this permission notice shall be
124 included in all copies or substantial portions of the Software.
125
126 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
127 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
128 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
129 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
130 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
131 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
132 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
133