Version.cpp revision 209107 
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: http://llvm.org/svn/llvm-project/cfe/trunk/lib/Basic/Version.cpp $";
25  const char *URLEnd = URL + strlen(URL);
26
27  const char *End = strstr(URL, "/lib/Basic");
28  if (End)
29    URLEnd = End;
30
31  // Strip off version from a build from an integration branch.
32  End = strstr(URL, "/src/tools/clang");
33  if (End)
34    URLEnd = End;
35
36  const char *Begin = strstr(URL, "cfe/");
37  if (Begin)
38    return llvm::StringRef(Begin + 4, URLEnd - Begin - 4);
39
40  return llvm::StringRef(URL, URLEnd - URL);
41}
42
43std::string getClangRevision() {
44#ifdef SVN_REVISION
45  if (SVN_REVISION[0] != '\0') {
46    std::string revision;
47    llvm::raw_string_ostream OS(revision);
48    OS << strtol(SVN_REVISION, 0, 10);
49    return OS.str();
50  }
51#endif
52  return "";
53}
54
55std::string getClangFullRepositoryVersion() {
56  std::string buf;
57  llvm::raw_string_ostream OS(buf);
58  OS << getClangRepositoryPath();
59  const std::string &Revision = getClangRevision();
60  if (!Revision.empty())
61    OS << ' ' << Revision;
62  return OS.str();
63}
64
65std::string getClangFullVersion() {
66  std::string buf;
67  llvm::raw_string_ostream OS(buf);
68#ifdef CLANG_VENDOR
69  OS << CLANG_VENDOR;
70#endif
71  OS << "clang version " CLANG_VERSION_STRING " ("
72     << getClangFullRepositoryVersion() << ')';
73#ifdef CLANG_VENDOR_SUFFIX
74  OS << CLANG_VENDOR_SUFFIX;
75#endif
76  return OS.str();
77}
78
79} // end namespace clang
80