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 "clang/Basic/LLVM.h" 16 #include "llvm/Config/config.h" 17 #include "llvm/Support/raw_ostream.h" 18 #include <cstdlib> 19 #include <cstring> 20 21 #ifdef HAVE_SVN_VERSION_INC 22 # include "SVNVersion.inc" 23 #endif 24 25 namespace clang { 26 27 std::string getClangRepositoryPath() { 28 #if defined(CLANG_REPOSITORY_STRING) 29 return CLANG_REPOSITORY_STRING; 30 #else 31 #ifdef SVN_REPOSITORY 32 StringRef URL(SVN_REPOSITORY); 33 #else 34 StringRef URL(""); 35 #endif 36 37 // If the SVN_REPOSITORY is empty, try to use the SVN keyword. This helps us 38 // pick up a tag in an SVN export, for example. 39 static StringRef SVNRepository("$URL$"); 40 if (URL.empty()) { 41 URL = SVNRepository.slice(SVNRepository.find(':'), 42 SVNRepository.find("/lib/Basic")); 43 } 44 45 // Strip off version from a build from an integration branch. 46 URL = URL.slice(0, URL.find("/src/tools/clang")); 47 48 // Trim path prefix off, assuming path came from standard cfe path. 49 size_t Start = URL.find("cfe/"); 50 if (Start != StringRef::npos) 51 URL = URL.substr(Start + 4); 52 53 return URL; 54 #endif 55 } 56 57 std::string getLLVMRepositoryPath() { 58 #ifdef LLVM_REPOSITORY 59 StringRef URL(LLVM_REPOSITORY); 60 #else 61 StringRef URL(""); 62 #endif 63 64 // Trim path prefix off, assuming path came from standard llvm path. 65 // Leave "llvm/" prefix to distinguish the following llvm revision from the 66 // clang revision. 67 size_t Start = URL.find("llvm/"); 68 if (Start != StringRef::npos) 69 URL = URL.substr(Start); 70 71 return URL; 72 } 73 74 std::string getClangRevision() { 75 #ifdef SVN_REVISION 76 return SVN_REVISION; 77 #else 78 return ""; 79 #endif 80 } 81 82 std::string getLLVMRevision() { 83 #ifdef LLVM_REVISION 84 return LLVM_REVISION; 85 #else 86 return ""; 87 #endif 88 } 89 90 std::string getClangFullRepositoryVersion() { 91 std::string buf; 92 llvm::raw_string_ostream OS(buf); 93 std::string Path = getClangRepositoryPath(); 94 std::string Revision = getClangRevision(); 95 if (!Path.empty() || !Revision.empty()) { 96 OS << '('; 97 if (!Path.empty()) 98 OS << Path; 99 if (!Revision.empty()) { 100 if (!Path.empty()) 101 OS << ' '; 102 OS << Revision; 103 } 104 OS << ')'; 105 } 106 // Support LLVM in a separate repository. 107 std::string LLVMRev = getLLVMRevision(); 108 if (!LLVMRev.empty() && LLVMRev != Revision) { 109 OS << " ("; 110 std::string LLVMRepo = getLLVMRepositoryPath(); 111 if (!LLVMRepo.empty()) 112 OS << LLVMRepo << ' '; 113 OS << LLVMRev << ')'; 114 } 115 return OS.str(); 116 } 117 118 std::string getClangFullVersion() { 119 std::string buf; 120 llvm::raw_string_ostream OS(buf); 121 #ifdef CLANG_VENDOR 122 OS << CLANG_VENDOR; 123 #endif 124 OS << "clang version " CLANG_VERSION_STRING " " 125 << getClangFullRepositoryVersion(); 126 127 // If vendor supplied, include the base LLVM version as well. 128 #ifdef CLANG_VENDOR 129 OS << " (based on LLVM " << PACKAGE_VERSION << ")"; 130 #endif 131 132 return OS.str(); 133 } 134 135 std::string getClangFullCPPVersion() { 136 // The version string we report in __VERSION__ is just a compacted version of 137 // the one we report on the command line. 138 std::string buf; 139 llvm::raw_string_ostream OS(buf); 140 #ifdef CLANG_VENDOR 141 OS << CLANG_VENDOR; 142 #endif 143 OS << "Clang " CLANG_VERSION_STRING " " << getClangFullRepositoryVersion(); 144 return OS.str(); 145 } 146 147 } // end namespace clang 148
