llvm/clang/include/clang/Tooling/Refactoring/RefactoringOptionVisitor.h

//===--- RefactoringOptionVisitor.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_REFACTORINGOPTIONVISITOR_H
#define LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGOPTIONVISITOR_H

#include "clang/Basic/LLVM.h"
#include <optional>
#include <type_traits>

namespace clang {
namespace tooling {

class RefactoringOption;

/// An interface that declares functions that handle different refactoring
/// option types.
///
/// A valid refactoring option type must have a corresponding \c visit
/// declaration in this interface.
class RefactoringOptionVisitor { … };

namespace traits {
namespace internal {

template <typename T> struct HasHandle { … };

} // end namespace internal

/// A type trait that returns true iff the given type is a type that can be
/// stored in a refactoring option.
template <typename T>
struct IsValidOptionType : internal::HasHandle<T>::Type { … };

} // end namespace traits
} // end namespace tooling
} // end namespace clang

#endif // LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGOPTIONVISITOR_H