llvm/clang/include/clang/AST/Availability.h

//===--- Availability.h - Classes for availability --------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This files defines some classes that implement availability checking.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_AST_AVAILABILITY_H
#define LLVM_CLANG_AST_AVAILABILITY_H

#include "clang/Basic/SourceLocation.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/VersionTuple.h"

namespace clang {

/// One specifier in an @available expression.
///
/// \code
///   @available(macos 10.10, *)
/// \endcode
///
/// Here, 'macos 10.10' and '*' both map to an instance of this type.
///
class AvailabilitySpec { … };

class Decl;

/// Storage of availability attributes for a declaration.
struct AvailabilityInfo { … };

inline bool operator==(const AvailabilityInfo &Lhs,
                       const AvailabilityInfo &Rhs) { … }

} // end namespace clang

#endif