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LibJS: Implement bitwise left shift operator (<<)

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Linus Groh 2020-04-23 13:36:14 +01:00 • committed by Andreas Kling
parent 97366f4dd4
commit f0e7404480
7 changed files with 95 additions and 1 deletions
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8
Libraries/LibJS/Parser.cpp
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@ -577,6 +577,12 @@ NonnullRefPtr<Expression> Parser::parse_secondary_expression(NonnullRefPtr<Expre
case TokenType::Caret:
consume();
return create_ast_node<BinaryExpression>(BinaryOp::BitwiseXor, move(lhs), parse_expression(min_precedence, associativity));
case TokenType::ShiftLeft:
consume();
return create_ast_node<BinaryExpression>(BinaryOp::LeftShift, move(lhs), parse_expression(min_precedence, associativity));
case TokenType::ShiftLeftEquals:
consume();
return create_ast_node<AssignmentExpression>(AssignmentOp::LeftShiftAssignment, move(lhs), parse_expression(min_precedence, associativity));
case TokenType::ParenOpen:
return parse_call_expression(move(lhs));
case TokenType::Equals:
@ -1062,6 +1068,8 @@ bool Parser::match_secondary_expression() const
|| type == TokenType::Ampersand
|| type == TokenType::Pipe
|| type == TokenType::Caret
|| type == TokenType::ShiftLeft
|| type == TokenType::ShiftLeftEquals
|| type == TokenType::DoubleAmpersand
|| type == TokenType::DoublePipe
|| type == TokenType::DoubleQuestionMark;