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//===--- RefactoringOptions.h - Clang refactoring library -----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGOPTIONS_H
#define LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGOPTIONS_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 <optional>
#include <type_traits>
namespace clang {
namespace tooling {
/// A refactoring option that stores a value of type \c T.
template <typename T,
typename = std::enable_if_t<traits::IsValidOptionType<T>::value>>
class OptionalRefactoringOption : public RefactoringOption {
public:
void passToVisitor(RefactoringOptionVisitor &Visitor) final {
Visitor.visit(*this, Value);
}
bool isRequired() const override { return false; }
using ValueType = std::optional<T>;
const ValueType &getValue() const { return Value; }
protected:
std::optional<T> Value;
};
/// A required refactoring option that stores a value of type \c T.
template <typename T,
typename = std::enable_if_t<traits::IsValidOptionType<T>::value>>
class RequiredRefactoringOption : public OptionalRefactoringOption<T> {
public:
using ValueType = T;
const ValueType &getValue() const {
return *OptionalRefactoringOption<T>::Value;
}
bool isRequired() const final { return true; }
};
} // end namespace tooling
} // end namespace clang
#endif // LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGOPTIONS_H
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