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//===- ExtractAPI/AvailabilityInfo.h - Availability Info --------*- 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file defines the AvailabilityInfo struct that collects availability
/// attributes of a symbol.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_EXTRACTAPI_AVAILABILITY_INFO_H
#define LLVM_CLANG_EXTRACTAPI_AVAILABILITY_INFO_H
#include "clang/AST/Decl.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/VersionTuple.h"
#include "llvm/Support/raw_ostream.h"
using llvm::VersionTuple;
namespace clang {
namespace extractapi {
/// Stores availability attributes of a symbol in a given domain.
struct AvailabilityInfo {
/// The domain for which this availability info item applies
std::string Domain;
VersionTuple Introduced;
VersionTuple Deprecated;
VersionTuple Obsoleted;
bool Unavailable;
AvailabilityInfo() = default;
AvailabilityInfo(StringRef Domain, VersionTuple I, VersionTuple D,
VersionTuple O, bool U)
: Domain(Domain), Introduced(I), Deprecated(D), Obsoleted(O),
Unavailable(U) {}
};
class AvailabilitySet {
private:
using AvailabilityList = llvm::SmallVector<AvailabilityInfo, 4>;
AvailabilityList Availabilities;
bool UnconditionallyDeprecated = false;
bool UnconditionallyUnavailable = false;
public:
AvailabilitySet(const Decl *Decl);
AvailabilitySet() = default;
AvailabilityList::const_iterator begin() const {
return Availabilities.begin();
}
AvailabilityList::const_iterator end() const { return Availabilities.end(); }
/// Check if the symbol is unconditionally deprecated.
///
/// i.e. \code __attribute__((deprecated)) \endcode
bool isUnconditionallyDeprecated() const { return UnconditionallyDeprecated; }
/// Check if the symbol is unconditionally unavailable.
///
/// i.e. \code __attribute__((unavailable)) \endcode
bool isUnconditionallyUnavailable() const {
return UnconditionallyUnavailable;
}
/// Determine if this AvailabilitySet represents default availability.
bool isDefault() const { return Availabilities.empty(); }
};
} // namespace extractapi
} // namespace clang
#endif // LLVM_CLANG_EXTRACTAPI_AVAILABILITY_INFO_H
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