89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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// Automatically generated by regexp/gen-regexp-special-case.cc
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// The following functions are used to build UnicodeSets
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// for special cases where the case-folding algorithm used by
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// UnicodeSet::closeOver(USET_CASE_INSENSITIVE) does not match
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// the algorithm defined in ECMAScript 2020 21.2.2.8.2 (Runtime
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// Semantics: Canonicalize) step 3.
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#ifdef V8_INTL_SUPPORT
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#include "regexp/special-case.h"
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#include "unicode/uniset.h"
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namespace v8 {
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namespace internal {
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icu::UnicodeSet BuildIgnoreSet() {
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icu::UnicodeSet set;
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set.add(0xdf);
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set.add(0x17f);
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set.add(0x390);
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set.add(0x3b0);
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set.add(0x3f4);
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set.add(0x1e9e);
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set.add(0x1f80, 0x1faf);
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set.add(0x1fb3);
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set.add(0x1fbc);
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set.add(0x1fc3);
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set.add(0x1fcc);
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set.add(0x1fd3);
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set.add(0x1fe3);
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set.add(0x1ff3);
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set.add(0x1ffc);
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set.add(0x2126);
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set.add(0x212a, 0x212b);
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set.add(0xfb05, 0xfb06);
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set.freeze();
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return set;
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}
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struct IgnoreSetData {
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IgnoreSetData() : set(BuildIgnoreSet()) {}
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const icu::UnicodeSet set;
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};
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//static
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const icu::UnicodeSet& RegExpCaseFolding::IgnoreSet() {
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static base::LazyInstance<IgnoreSetData>::type set =
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LAZY_INSTANCE_INITIALIZER;
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return set.Pointer()->set;
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}
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icu::UnicodeSet BuildSpecialAddSet() {
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icu::UnicodeSet set;
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set.add(0x4b);
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set.add(0x53);
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set.add(0x6b);
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set.add(0x73);
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set.add(0xc5);
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set.add(0xe5);
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set.add(0x398);
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set.add(0x3a9);
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set.add(0x3b8);
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set.add(0x3c9);
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set.add(0x3d1);
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set.freeze();
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return set;
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}
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struct SpecialAddSetData {
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SpecialAddSetData() : set(BuildSpecialAddSet()) {}
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const icu::UnicodeSet set;
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};
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//static
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const icu::UnicodeSet& RegExpCaseFolding::SpecialAddSet() {
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static base::LazyInstance<SpecialAddSetData>::type set =
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LAZY_INSTANCE_INITIALIZER;
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return set.Pointer()->set;
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}
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} // namespace internal
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} // namespace v8
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#endif // V8_INTL_SUPPORT
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