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0261cead1a
Add basic infrastructure for reading and writting TBD files (version 1 - 3). The TextAPI library is not used by anything yet (besides the unit tests). Tool support will be added in a separate commit. The TBD format is currently documented in the implementation file (TextStub.cpp). https://reviews.llvm.org/D53945 llvm-svn: 347808
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
//===- llvm/TextAPI/PackedVersion.h - PackedVersion -------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief Defines the Mach-O packed version format.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TEXTAPI_MACHO_PACKED_VERSION_H
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#define LLVM_TEXTAPI_MACHO_PACKED_VERSION_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/raw_ostream.h"
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namespace llvm {
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namespace MachO {
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class PackedVersion {
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uint32_t Version{0};
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public:
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constexpr PackedVersion() = default;
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explicit constexpr PackedVersion(uint32_t RawVersion) : Version(RawVersion) {}
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PackedVersion(unsigned Major, unsigned Minor, unsigned Subminor)
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: Version((Major << 16) | ((Minor & 0xff) << 8) | (Subminor & 0xff)) {}
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bool empty() const { return Version == 0; }
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/// Retrieve the major version number.
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unsigned getMajor() const { return Version >> 16; }
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/// Retrieve the minor version number, if provided.
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unsigned getMinor() const { return (Version >> 8) & 0xff; }
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/// Retrieve the subminor version number, if provided.
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unsigned getSubminor() const { return Version & 0xff; }
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bool parse32(StringRef Str);
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std::pair<bool, bool> parse64(StringRef Str);
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bool operator<(const PackedVersion &O) const { return Version < O.Version; }
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bool operator==(const PackedVersion &O) const { return Version == O.Version; }
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bool operator!=(const PackedVersion &O) const { return Version != O.Version; }
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uint32_t rawValue() const { return Version; }
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void print(raw_ostream &OS) const;
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};
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inline raw_ostream &operator<<(raw_ostream &OS, const PackedVersion &Version) {
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Version.print(OS);
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return OS;
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}
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} // end namespace MachO.
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} // end namespace llvm.
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#endif // LLVM_TEXTAPI_MACHO_PACKED_VERSION_H
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