Yi Kong | 8328301 | 2023-12-13 12:57:00 +0900 | [diff] [blame^] | 1 | //===--- Distro.h - Linux distribution detection support --------*- C++ -*-===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef LLVM_CLANG_DRIVER_DISTRO_H |
| 10 | #define LLVM_CLANG_DRIVER_DISTRO_H |
| 11 | |
| 12 | #include "llvm/Support/VirtualFileSystem.h" |
| 13 | #include "llvm/TargetParser/Triple.h" |
| 14 | |
| 15 | namespace clang { |
| 16 | namespace driver { |
| 17 | |
| 18 | /// Distro - Helper class for detecting and classifying Linux distributions. |
| 19 | /// |
| 20 | /// This class encapsulates the clang Linux distribution detection mechanism |
| 21 | /// as well as helper functions that match the specific (versioned) results |
| 22 | /// into wider distribution classes. |
| 23 | class Distro { |
| 24 | public: |
| 25 | enum DistroType { |
| 26 | // Special value means that no detection was performed yet. |
| 27 | UninitializedDistro, |
| 28 | // NB: Releases of a particular Linux distro should be kept together |
| 29 | // in this enum, because some tests are done by integer comparison against |
| 30 | // the first and last known member in the family, e.g. IsRedHat(). |
| 31 | AlpineLinux, |
| 32 | ArchLinux, |
| 33 | DebianLenny, |
| 34 | DebianSqueeze, |
| 35 | DebianWheezy, |
| 36 | DebianJessie, |
| 37 | DebianStretch, |
| 38 | DebianBuster, |
| 39 | DebianBullseye, |
| 40 | DebianBookworm, |
| 41 | DebianTrixie, |
| 42 | Exherbo, |
| 43 | RHEL5, |
| 44 | RHEL6, |
| 45 | RHEL7, |
| 46 | Fedora, |
| 47 | Gentoo, |
| 48 | OpenSUSE, |
| 49 | UbuntuHardy, |
| 50 | UbuntuIntrepid, |
| 51 | UbuntuJaunty, |
| 52 | UbuntuKarmic, |
| 53 | UbuntuLucid, |
| 54 | UbuntuMaverick, |
| 55 | UbuntuNatty, |
| 56 | UbuntuOneiric, |
| 57 | UbuntuPrecise, |
| 58 | UbuntuQuantal, |
| 59 | UbuntuRaring, |
| 60 | UbuntuSaucy, |
| 61 | UbuntuTrusty, |
| 62 | UbuntuUtopic, |
| 63 | UbuntuVivid, |
| 64 | UbuntuWily, |
| 65 | UbuntuXenial, |
| 66 | UbuntuYakkety, |
| 67 | UbuntuZesty, |
| 68 | UbuntuArtful, |
| 69 | UbuntuBionic, |
| 70 | UbuntuCosmic, |
| 71 | UbuntuDisco, |
| 72 | UbuntuEoan, |
| 73 | UbuntuFocal, |
| 74 | UbuntuGroovy, |
| 75 | UbuntuHirsute, |
| 76 | UbuntuImpish, |
| 77 | UbuntuJammy, |
| 78 | UbuntuKinetic, |
| 79 | UbuntuLunar, |
| 80 | UbuntuMantic, |
| 81 | UnknownDistro |
| 82 | }; |
| 83 | |
| 84 | private: |
| 85 | /// The distribution, possibly with specific version. |
| 86 | DistroType DistroVal; |
| 87 | |
| 88 | public: |
| 89 | /// @name Constructors |
| 90 | /// @{ |
| 91 | |
| 92 | /// Default constructor leaves the distribution unknown. |
| 93 | Distro() : DistroVal() {} |
| 94 | |
| 95 | /// Constructs a Distro type for specific distribution. |
| 96 | Distro(DistroType D) : DistroVal(D) {} |
| 97 | |
| 98 | /// Detects the distribution using specified VFS. |
| 99 | explicit Distro(llvm::vfs::FileSystem &VFS, const llvm::Triple &TargetOrHost); |
| 100 | |
| 101 | bool operator==(const Distro &Other) const { |
| 102 | return DistroVal == Other.DistroVal; |
| 103 | } |
| 104 | |
| 105 | bool operator!=(const Distro &Other) const { |
| 106 | return DistroVal != Other.DistroVal; |
| 107 | } |
| 108 | |
| 109 | bool operator>=(const Distro &Other) const { |
| 110 | return DistroVal >= Other.DistroVal; |
| 111 | } |
| 112 | |
| 113 | bool operator<=(const Distro &Other) const { |
| 114 | return DistroVal <= Other.DistroVal; |
| 115 | } |
| 116 | |
| 117 | /// @} |
| 118 | /// @name Convenience Predicates |
| 119 | /// @{ |
| 120 | |
| 121 | bool IsRedhat() const { |
| 122 | return DistroVal == Fedora || (DistroVal >= RHEL5 && DistroVal <= RHEL7); |
| 123 | } |
| 124 | |
| 125 | bool IsOpenSUSE() const { return DistroVal == OpenSUSE; } |
| 126 | |
| 127 | bool IsDebian() const { |
| 128 | return DistroVal >= DebianLenny && DistroVal <= DebianTrixie; |
| 129 | } |
| 130 | |
| 131 | bool IsUbuntu() const { |
| 132 | return DistroVal >= UbuntuHardy && DistroVal <= UbuntuMantic; |
| 133 | } |
| 134 | |
| 135 | bool IsAlpineLinux() const { return DistroVal == AlpineLinux; } |
| 136 | |
| 137 | bool IsGentoo() const { return DistroVal == Gentoo; } |
| 138 | |
| 139 | /// @} |
| 140 | }; |
| 141 | |
| 142 | } // end namespace driver |
| 143 | } // end namespace clang |
| 144 | |
| 145 | #endif |