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LibJS: Disallow '\8' and '\9' in strict mode due to being octal escapes

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davidot 2021-11-26 23:26:42 +01:00 • committed by Linus Groh
parent c57721cf83
commit 7624c3de0e
2 changed files with 13 additions and 0 deletions
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6
Userland/Libraries/LibJS/Token.cpp
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@ -198,6 +198,12 @@ String Token::string_value(StringValueStatus& status) const
continue;
}
if (lexer.next_is('8') || lexer.next_is('9')) {
status = StringValueStatus::LegacyOctalEscapeSequence;
builder.append(lexer.consume());
continue;
}
lexer.retreat();
builder.append(lexer.consume_escaped_character('\\', "b\bf\fn\nr\rt\tv\v"));
}