| 667 | } |
| 668 | |
| 669 | std::unique_ptr<ParsedExpression> Transformer::transformIntegerLiteral( |
| 670 | CypherParser::OC_IntegerLiteralContext& ctx, bool negative) { |
| 671 | auto text = ctx.DecimalInteger()->getText(); |
| 672 | if (negative) { |
| 673 | text = '-' + text; |
| 674 | } |
| 675 | string_t literal{text.c_str(), text.length()}; |
| 676 | int64_t result = 0; |
| 677 | if (function::CastString::tryCast(literal, result)) { |
| 678 | return std::make_unique<ParsedLiteralExpression>(Value(result), ctx.getText()); |
| 679 | } |
| 680 | int128_t result128 = 0; |
| 681 | if (function::trySimpleIntegerCast(reinterpret_cast<const char*>(literal.getData()), |
| 682 | literal.len, result128)) { |
| 683 | return std::make_unique<ParsedLiteralExpression>(Value(result128), ctx.getText()); |
| 684 | } |
| 685 | uint128_t resultu128 = 0; |
| 686 | function::CastString::operation(literal, resultu128); |
| 687 | return std::make_unique<ParsedLiteralExpression>(Value(resultu128), ctx.getText()); |
| 688 | } |
| 689 | |
| 690 | std::unique_ptr<ParsedExpression> Transformer::transformDoubleLiteral( |
| 691 | CypherParser::OC_DoubleLiteralContext& ctx, bool negative) { |