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AK+LibJS: Extract some UTF-16 helpers for use in an outside class

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An upcoming Utf16String will need access to these helpers. Let's make
them publicly available.
This commit is contained in:
Timothy Flynn 2025-06-12 17:39:05 -04:00 • committed by Tim Flynn
parent b6dc5050d2
commit 66006d3812
Notes: github-actions[bot] 2025-07-03 13:54:12 +00:00
10 changed files with 121 additions and 86 deletions
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5
Libraries/LibJS/Parser.cpp
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@ -9,13 +9,14 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Parser.h"
#include <AK/Array.h>
#include <AK/CharacterTypes.h>
#include <AK/HashTable.h>
#include <AK/ScopeGuard.h>
#include <AK/StdLibExtras.h>
#include <AK/TemporaryChange.h>
#include <AK/UnicodeUtils.h>
#include <LibJS/Parser.h>
#include <LibJS/Runtime/RegExpObject.h>
#include <LibRegex/Regex.h>
@ -4601,7 +4602,7 @@ FlyString Parser::consume_string_value()
Utf8View view { value.bytes_as_string_view().substring_view(value.bytes().size() - 3) };
VERIFY(view.length() <= 3);
auto codepoint = *view.begin();
if (Utf16View::is_high_surrogate(codepoint)) {
if (AK::UnicodeUtils::is_utf16_high_surrogate(codepoint)) {
syntax_error("StringValue ending with unpaired high surrogate"_string);
VERIFY(view.length() == 1);
}