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AK+Everywhere: Remove the null state of DeprecatedString

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This commit removes DeprecatedString's "null" state, and replaces all
its users with one of the following:
- A normal, empty DeprecatedString
- Optional<DeprecatedString>

Note that null states of DeprecatedFlyString/StringView/etc are *not*
affected by this commit. However, DeprecatedString::empty() is now
considered equal to a null StringView.
This commit is contained in:
Ali Mohammad Pur 2023-10-10 15:00:58 +03:30 • committed by Ali Mohammad Pur
parent daf6d8173c
commit aeee98b3a1
189 changed files with 597 additions and 652 deletions
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6
Userland/Libraries/LibJS/Token.cpp
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@ -174,7 +174,7 @@ DeprecatedString Token::string_value(StringValueStatus& status) const
// In non-strict mode LegacyOctalEscapeSequence is allowed in strings:
// https://tc39.es/ecma262/#sec-additional-syntax-string-literals
DeprecatedString octal_str;
Optional<DeprecatedString> octal_str;
auto is_octal_digit = [](char ch) { return ch >= '0' && ch <= '7'; };
auto is_zero_to_three = [](char ch) { return ch >= '0' && ch <= '3'; };
@ -193,9 +193,9 @@ DeprecatedString Token::string_value(StringValueStatus& status) const
else if (is_zero_to_three(lexer.peek()) && is_octal_digit(lexer.peek(1)) && is_octal_digit(lexer.peek(2)))
octal_str = lexer.consume(3);
if (!octal_str.is_null()) {
if (octal_str.has_value()) {
status = StringValueStatus::LegacyOctalEscapeSequence;
auto code_point = strtoul(octal_str.characters(), nullptr, 8);
auto code_point = strtoul(octal_str->characters(), nullptr, 8);
VERIFY(code_point <= 255);
builder.append_code_point(code_point);
continue;