Version.cpp revision 204643 
1291717Sbdrewery//===- Version.cpp - Clang Version Number -----------------------*- C++ -*-===//
2291717Sbdrewery//
3291717Sbdrewery//                     The LLVM Compiler Infrastructure
4291717Sbdrewery//
5291717Sbdrewery// This file is distributed under the University of Illinois Open Source
6291717Sbdrewery// License. See LICENSE.TXT for details.
7291717Sbdrewery//
8291717Sbdrewery//===----------------------------------------------------------------------===//
9291717Sbdrewery//
10291717Sbdrewery// This file defines several version-related utility functions for Clang.
11291717Sbdrewery//
12291717Sbdrewery//===----------------------------------------------------------------------===//
13291717Sbdrewery
14291717Sbdrewery#include "clang/Basic/Version.h"
15291717Sbdrewery#include "llvm/Support/raw_ostream.h"
16291717Sbdrewery#include <cstring>
17291717Sbdrewery#include <cstdlib>
18291717Sbdrewery
19291717Sbdreweryusing namespace std;
20291717Sbdrewery
21291717Sbdrewerynamespace clang {
22291717Sbdrewery
23291717Sbdreweryllvm::StringRef getClangRepositoryPath() {
24291717Sbdrewery  static const char URL[] = "$URL: http://llvm.org/svn/llvm-project/cfe/trunk/lib/Basic/Version.cpp $";
25291717Sbdrewery  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#ifdef SVN_REVISION
44  if (SVN_REVISION[0] != '\0') {
45    std::string revision;
46    llvm::raw_string_ostream OS(revision);
47    OS << strtol(SVN_REVISION, 0, 10);
48    return revision;
49  }
50#endif
51  return "";
52}
53
54std::string getClangFullRepositoryVersion() {
55  std::string buf;
56  llvm::raw_string_ostream OS(buf);
57  OS << getClangRepositoryPath();
58  const std::string &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