Distro.h source code [clang_source_code/include/clang/Driver/Distro.h]

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
14	namespace clang {
15	namespace driver {
16
17	/// Distro - Helper class for detecting and classifying Linux distributions.
18	///
19	/// This class encapsulates the clang Linux distribution detection mechanism
20	/// as well as helper functions that match the specific (versioned) results
21	/// into wider distribution classes.
22	class Distro {
23	public:
24	enum DistroType {
25	// NB: Releases of a particular Linux distro should be kept together
26	// in this enum, because some tests are done by integer comparison against
27	// the first and last known member in the family, e.g. IsRedHat().
28	AlpineLinux,
29	ArchLinux,
30	DebianLenny,
31	DebianSqueeze,
32	DebianWheezy,
33	DebianJessie,
34	DebianStretch,
35	DebianBuster,
36	Exherbo,
37	RHEL5,
38	RHEL6,
39	RHEL7,
40	Fedora,
41	Gentoo,
42	OpenSUSE,
43	UbuntuHardy,
44	UbuntuIntrepid,
45	UbuntuJaunty,
46	UbuntuKarmic,
47	UbuntuLucid,
48	UbuntuMaverick,
49	UbuntuNatty,
50	UbuntuOneiric,
51	UbuntuPrecise,
52	UbuntuQuantal,
53	UbuntuRaring,
54	UbuntuSaucy,
55	UbuntuTrusty,
56	UbuntuUtopic,
57	UbuntuVivid,
58	UbuntuWily,
59	UbuntuXenial,
60	UbuntuYakkety,
61	UbuntuZesty,
62	UbuntuArtful,
63	UbuntuBionic,
64	UbuntuCosmic,
65	UbuntuDisco,
66	UnknownDistro
67	};
68
69	private:
70	/// The distribution, possibly with specific version.
71	DistroType DistroVal;
72
73	public:
74	/// @name Constructors
75	/// @{
76
77	/// Default constructor leaves the distribution unknown.
78	Distro() : DistroVal() {}
79
80	/// Constructs a Distro type for specific distribution.
81	Distro(DistroType D) : DistroVal(D) {}
82
83	/// Detects the distribution using specified VFS.
84	explicit Distro(llvm::vfs::FileSystem &VFS);
85
86	bool operator==(const Distro &Other) const {
87	return DistroVal == Other.DistroVal;
88	}
89
90	bool operator!=(const Distro &Other) const {
91	return DistroVal != Other.DistroVal;
92	}
93
94	bool operator>=(const Distro &Other) const {
95	return DistroVal >= Other.DistroVal;
96	}
97
98	bool operator<=(const Distro &Other) const {
99	return DistroVal <= Other.DistroVal;
100	}
101
102	/// @}
103	/// @name Convenience Predicates
104	/// @{
105
106	bool IsRedhat() const {
107	return DistroVal == Fedora \|\| (DistroVal >= RHEL5 && DistroVal <= RHEL7);
108	}
109
110	bool IsOpenSUSE() const {
111	return DistroVal == OpenSUSE;
112	}
113
114	bool IsDebian() const {
115	return DistroVal >= DebianLenny && DistroVal <= DebianBuster;
116	}
117
118	bool IsUbuntu() const {
119	return DistroVal >= UbuntuHardy && DistroVal <= UbuntuDisco;
120	}
121
122	bool IsAlpineLinux() const {
123	return DistroVal == AlpineLinux;
124	}
125
126	bool IsGentoo() const {
127	return DistroVal == Gentoo;
128	}
129
130	/// @}
131	};
132
133	} // end namespace driver
134	} // end namespace clang
135
136	#endif
137

clang::driver::Distro::DistroType

clang::driver::Distro::DistroVal

clang::driver::Distro::IsRedhat

clang::driver::Distro::IsOpenSUSE

clang::driver::Distro::IsDebian

clang::driver::Distro::IsUbuntu

clang::driver::Distro::IsAlpineLinux

clang::driver::Distro::IsGentoo

Clang Project