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