Version.cpp revision 93f9b324137514b4fd95d28a95e356190488a37f 
1//===- Version.cpp - Clang Version Number -----------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines several version-related utility functions for Clang.
11//
12//===----------------------------------------------------------------------===//
13
14#include "clang/Basic/Version.h"
15#include "llvm/Support/raw_ostream.h"
16#include <cstring>
17#include <cstdlib>
18
19using namespace std;
20
21namespace clang {
22
23llvm::StringRef getClangRepositoryPath() {
24  static const char URL[] = "$URL$";
25  const char *URLEnd = URL + strlen(URL);
26
27  const char *End = strstr(URL, "/lib/Basic");
28  if (End)
29    URLEnd = End;
30
31  End = strstr(URL, "/clang/tools/clang");
32  if (End)
33    URLEnd = End;
34
35  const char *Begin = strstr(URL, "cfe/");
36  if (Begin)
37    return llvm::StringRef(Begin + 4, URLEnd - Begin - 4);
38
39  return llvm::StringRef(URL, URLEnd - URL);
40}
41
42std::string getClangRevision() {
43#ifndef SVN_REVISION
44  // Subversion was not available at build time?
45  return "";
46#else
47  std::string revision;
48  llvm::raw_string_ostream OS(revision);
49  OS << strtol(SVN_REVISION, 0, 10);
50  return revision;
51#endif
52}
53
54std::string getClangFullRepositoryVersion() {
55  std::string buf;
56  llvm::raw_string_ostream OS(buf);
57  OS << getClangRepositoryPath();
58  llvm::StringRef Revision = getClangRevision();
59  if (!Revision.empty())
60    OS << ' ' << Revision;
61  return buf;
62}
63
64std::string getClangFullVersion() {
65  std::string buf;
66  llvm::raw_string_ostream OS(buf);
67#ifdef CLANG_VENDOR
68  OS << CLANG_VENDOR;
69#endif
70  OS << "clang version " CLANG_VERSION_STRING " ("
71     << getClangFullRepositoryVersion() << ')';
72  return buf;
73}
74
75} // end namespace clang
76