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llvm-mirror/include/llvm/TextAPI/PackedVersion.h
Cyndy Ishida eff160f3ab [TextAPI] move source code files out of subdirectory, NFC
TextAPI/ELF has moved out into InterfaceStubs, so theres no longer a
need to seperate out TextAPI between formats.

Reviewed By: ributzka, int3, #lld-macho

Differential Revision: https://reviews.llvm.org/D99811
2021-04-05 10:24:42 -07:00

68 lines
2.0 KiB
C++

//===- llvm/TextAPI/PackedVersion.h - PackedVersion -------------*- 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
//
//===----------------------------------------------------------------------===//
//
// Defines the Mach-O packed version format.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TEXTAPI_MACHO_PACKEDVERSION_H
#define LLVM_TEXTAPI_MACHO_PACKEDVERSION_H
#include <cstdint>
#include <utility>
namespace llvm {
class raw_ostream;
class StringRef;
namespace MachO {
class PackedVersion {
uint32_t Version{0};
public:
constexpr PackedVersion() = default;
explicit constexpr PackedVersion(uint32_t RawVersion) : Version(RawVersion) {}
PackedVersion(unsigned Major, unsigned Minor, unsigned Subminor)
: Version((Major << 16) | ((Minor & 0xff) << 8) | (Subminor & 0xff)) {}
bool empty() const { return Version == 0; }
/// Retrieve the major version number.
unsigned getMajor() const { return Version >> 16; }
/// Retrieve the minor version number, if provided.
unsigned getMinor() const { return (Version >> 8) & 0xff; }
/// Retrieve the subminor version number, if provided.
unsigned getSubminor() const { return Version & 0xff; }
bool parse32(StringRef Str);
std::pair<bool, bool> parse64(StringRef Str);
bool operator<(const PackedVersion &O) const { return Version < O.Version; }
bool operator==(const PackedVersion &O) const { return Version == O.Version; }
bool operator!=(const PackedVersion &O) const { return Version != O.Version; }
uint32_t rawValue() const { return Version; }
void print(raw_ostream &OS) const;
};
inline raw_ostream &operator<<(raw_ostream &OS, const PackedVersion &Version) {
Version.print(OS);
return OS;
}
} // end namespace MachO.
} // end namespace llvm.
#endif // LLVM_TEXTAPI_MACHO_PACKEDVERSION_H