| 30 | { |
| 31 | |
| 32 | OptionalStatements replaceConstArgSwitch(Switch& _switchStmt, u256 const& _constExprVal) |
| 33 | { |
| 34 | Block* matchingCaseBlock = nullptr; |
| 35 | Case* defaultCase = nullptr; |
| 36 | |
| 37 | for (auto& _case: _switchStmt.cases) |
| 38 | { |
| 39 | if (_case.value && _case.value->value.value() == _constExprVal) |
| 40 | { |
| 41 | matchingCaseBlock = &_case.body; |
| 42 | break; |
| 43 | } |
| 44 | else if (!_case.value) |
| 45 | defaultCase = &_case; |
| 46 | } |
| 47 | |
| 48 | if (!matchingCaseBlock && defaultCase) |
| 49 | matchingCaseBlock = &defaultCase->body; |
| 50 | |
| 51 | if (matchingCaseBlock) |
| 52 | return util::make_vector<Statement>(std::move(*matchingCaseBlock)); |
| 53 | else |
| 54 | return std::optional<std::vector<Statement>>{std::vector<Statement>{}}; |
| 55 | } |
| 56 | |
| 57 | std::optional<u256> hasLiteralValue(Expression const& _expression) |
| 58 | { |