| 1 | //===--- RefactoringOptions.h - Clang refactoring library -----------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGOPTIONS_H |
| 10 | #define LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGOPTIONS_H |
| 11 | |
| 12 | #include "clang/Basic/LLVM.h" |
| 13 | #include "clang/Tooling/Refactoring/RefactoringActionRuleRequirements.h" |
| 14 | #include "clang/Tooling/Refactoring/RefactoringOption.h" |
| 15 | #include "clang/Tooling/Refactoring/RefactoringOptionVisitor.h" |
| 16 | #include "llvm/Support/Error.h" |
| 17 | #include <optional> |
| 18 | #include <type_traits> |
| 19 | |
| 20 | namespace clang { |
| 21 | namespace tooling { |
| 22 | |
| 23 | /// A refactoring option that stores a value of type \c T. |
| 24 | template <typename T, |
| 25 | typename = std::enable_if_t<traits::IsValidOptionType<T>::value>> |
| 26 | class OptionalRefactoringOption : public RefactoringOption { |
| 27 | public: |
| 28 | void passToVisitor(RefactoringOptionVisitor &Visitor) final { |
| 29 | Visitor.visit(Opt: *this, Value); |
| 30 | } |
| 31 | |
| 32 | bool isRequired() const override { return false; } |
| 33 | |
| 34 | using ValueType = std::optional<T>; |
| 35 | |
| 36 | const ValueType &getValue() const { return Value; } |
| 37 | |
| 38 | protected: |
| 39 | std::optional<T> Value; |
| 40 | }; |
| 41 | |
| 42 | /// A required refactoring option that stores a value of type \c T. |
| 43 | template <typename T, |
| 44 | typename = std::enable_if_t<traits::IsValidOptionType<T>::value>> |
| 45 | class RequiredRefactoringOption : public OptionalRefactoringOption<T> { |
| 46 | public: |
| 47 | using ValueType = T; |
| 48 | |
| 49 | const ValueType &getValue() const { |
| 50 | return *OptionalRefactoringOption<T>::Value; |
| 51 | } |
| 52 | bool isRequired() const final { return true; } |
| 53 | }; |
| 54 | |
| 55 | } // end namespace tooling |
| 56 | } // end namespace clang |
| 57 | |
| 58 | #endif // LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGOPTIONS_H |
| 59 |