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LibJS: Implement unary plus / minus

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This commit is contained in:
Linus Groh 2020-04-02 17:58:39 +01:00 • committed by Andreas Kling
parent 5e6e1fd482
commit a62230770b
9 changed files with 73 additions and 25 deletions
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8
Libraries/LibJS/Parser.cpp
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@ -365,6 +365,12 @@ NonnullRefPtr<Expression> Parser::parse_unary_prefixed_expression()
case TokenType::Tilde:
consume();
return create_ast_node<UnaryExpression>(UnaryOp::BitwiseNot, parse_expression(precedence, associativity));
case TokenType::Plus:
consume();
return create_ast_node<UnaryExpression>(UnaryOp::Plus, parse_expression(precedence, associativity));
case TokenType::Minus:
consume();
return create_ast_node<UnaryExpression>(UnaryOp::Minus, parse_expression(precedence, associativity));
case TokenType::Typeof:
consume();
return create_ast_node<UnaryExpression>(UnaryOp::Typeof, parse_expression(precedence, associativity));
@ -833,6 +839,8 @@ bool Parser::match_unary_prefixed_expression() const
|| type == TokenType::MinusMinus
|| type == TokenType::ExclamationMark
|| type == TokenType::Tilde
|| type == TokenType::Plus
|| type == TokenType::Minus
|| type == TokenType::Typeof;
}