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LibJS: Implement abstract equality and inequality

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0xtechnobabble 2020-03-16 00:23:38 +02:00 • committed by Andreas Kling
parent 4d22a142f7
commit dfbaa8e543
6 changed files with 64 additions and 2 deletions
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8
Libraries/LibJS/Parser.cpp
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@ -334,6 +334,12 @@ NonnullOwnPtr<Expression> Parser::parse_secondary_expression(NonnullOwnPtr<Expre
case TokenType::ExclamationMarkEqualsEquals:
consume();
return make<BinaryExpression>(BinaryOp::TypedInequals, move(lhs), parse_expression(min_precedence, associativity));
case TokenType::EqualsEquals:
consume();
return make<BinaryExpression>(BinaryOp::AbstractEquals, move(lhs), parse_expression(min_precedence, associativity));
case TokenType::ExclamationMarkEquals:
consume();
return make<BinaryExpression>(BinaryOp::AbstractInequals, move(lhs), parse_expression(min_precedence, associativity));
case TokenType::ParenOpen:
return parse_call_expression(move(lhs));
case TokenType::Equals:
@ -543,6 +549,8 @@ bool Parser::match_secondary_expression() const
|| type == TokenType::Equals
|| type == TokenType::EqualsEqualsEquals
|| type == TokenType::ExclamationMarkEqualsEquals
|| type == TokenType::EqualsEquals
|| type == TokenType::ExclamationMarkEquals
|| type == TokenType::GreaterThan
|| type == TokenType::GreaterThanEquals
|| type == TokenType::LessThan