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LibJS: Fix crash in Lexer on EOF in unterminated template literal

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Fixes #4252.
This commit is contained in:
Linus Groh
2020-11-29 22:59:06 +00:00
committed by Andreas Kling
parent 8284f87867
commit ea08bf5812
1 changed files with 4 additions and 2 deletions
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6
Libraries/LibJS/Lexer.cpp
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@@ -451,8 +451,10 @@ Token Lexer::next()
consume();
consume();
}
token_type = TokenType::TemplateLiteralString;
if (is_eof() && !m_template_states.is_empty())
token_type = TokenType::UnterminatedTemplateLiteral;
else
token_type = TokenType::TemplateLiteralString;
}
} else if (is_identifier_start()) {
// identifier or keyword