| //===--- RefactoringOptions.h - Clang refactoring library -----------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_TOOLING_REFACTOR_REFACTORING_OPTIONS_H |
| #define LLVM_CLANG_TOOLING_REFACTOR_REFACTORING_OPTIONS_H |
| |
| #include "clang/Basic/LLVM.h" |
| #include "clang/Tooling/Refactoring/RefactoringActionRuleRequirements.h" |
| #include "clang/Tooling/Refactoring/RefactoringOption.h" |
| #include "clang/Tooling/Refactoring/RefactoringOptionVisitor.h" |
| #include "llvm/Support/Error.h" |
| #include <type_traits> |
| |
| namespace clang { |
| namespace tooling { |
| |
| /// A refactoring option that stores a value of type \c T. |
| template <typename T, typename = typename std::enable_if< |
| traits::IsValidOptionType<T>::value>::type> |
| class OptionalRefactoringOption : public RefactoringOption { |
| public: |
| void passToVisitor(RefactoringOptionVisitor &Visitor) final override { |
| Visitor.visit(*this, Value); |
| } |
| |
| bool isRequired() const override { return false; } |
| |
| using ValueType = Optional<T>; |
| |
| const ValueType &getValue() const { return Value; } |
| |
| protected: |
| Optional<T> Value; |
| }; |
| |
| /// A required refactoring option that stores a value of type \c T. |
| template <typename T, typename = typename std::enable_if< |
| traits::IsValidOptionType<T>::value>::type> |
| class RequiredRefactoringOption : public OptionalRefactoringOption<T> { |
| public: |
| using ValueType = T; |
| |
| const ValueType &getValue() const { |
| return *OptionalRefactoringOption<T>::Value; |
| } |
| bool isRequired() const final override { return true; } |
| }; |
| |
| } // end namespace tooling |
| } // end namespace clang |
| |
| #endif // LLVM_CLANG_TOOLING_REFACTOR_REFACTORING_OPTIONS_H |