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LibJS: Implement 'in' operator

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Linus Groh 2020-04-23 16:06:01 +01:00 • committed by Andreas Kling
parent 396ecfa2d7
commit 11728b7db5
6 changed files with 54 additions and 0 deletions
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4
Libraries/LibJS/Parser.cpp
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@ -566,6 +566,9 @@ NonnullRefPtr<Expression> Parser::parse_secondary_expression(NonnullRefPtr<Expre
case TokenType::ExclamationMarkEquals:
consume();
return create_ast_node<BinaryExpression>(BinaryOp::AbstractInequals, move(lhs), parse_expression(min_precedence, associativity));
case TokenType::In:
consume();
return create_ast_node<BinaryExpression>(BinaryOp::In, move(lhs), parse_expression(min_precedence, associativity));
case TokenType::Instanceof:
consume();
return create_ast_node<BinaryExpression>(BinaryOp::InstanceOf, move(lhs), parse_expression(min_precedence, associativity));
@ -1076,6 +1079,7 @@ bool Parser::match_secondary_expression() const
|| type == TokenType::BracketOpen
|| type == TokenType::PlusPlus
|| type == TokenType::MinusMinus
|| type == TokenType::In
|| type == TokenType::Instanceof
|| type == TokenType::QuestionMark
|| type == TokenType::Ampersand