Version.cpp revision 203955
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 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 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