forked from OSchip/llvm-project
148 lines
3.7 KiB
C++
148 lines
3.7 KiB
C++
//===- Version.cpp - Clang Version Number -----------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines several version-related utility functions for Clang.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Basic/Version.h"
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#include "clang/Basic/LLVM.h"
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#include "llvm/Config/config.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cstdlib>
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#include <cstring>
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#ifdef HAVE_SVN_VERSION_INC
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# include "SVNVersion.inc"
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#endif
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namespace clang {
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std::string getClangRepositoryPath() {
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#if defined(CLANG_REPOSITORY_STRING)
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return CLANG_REPOSITORY_STRING;
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#else
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#ifdef SVN_REPOSITORY
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StringRef URL(SVN_REPOSITORY);
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#else
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StringRef URL("");
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#endif
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// If the SVN_REPOSITORY is empty, try to use the SVN keyword. This helps us
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// pick up a tag in an SVN export, for example.
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static StringRef SVNRepository("$URL$");
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if (URL.empty()) {
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URL = SVNRepository.slice(SVNRepository.find(':'),
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SVNRepository.find("/lib/Basic"));
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}
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// Strip off version from a build from an integration branch.
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URL = URL.slice(0, URL.find("/src/tools/clang"));
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// Trim path prefix off, assuming path came from standard cfe path.
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size_t Start = URL.find("cfe/");
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if (Start != StringRef::npos)
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URL = URL.substr(Start + 4);
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return URL;
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#endif
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}
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std::string getLLVMRepositoryPath() {
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#ifdef LLVM_REPOSITORY
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StringRef URL(LLVM_REPOSITORY);
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#else
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StringRef URL("");
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#endif
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// Trim path prefix off, assuming path came from standard llvm path.
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// Leave "llvm/" prefix to distinguish the following llvm revision from the
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// clang revision.
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size_t Start = URL.find("llvm/");
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if (Start != StringRef::npos)
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URL = URL.substr(Start);
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return URL;
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}
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std::string getClangRevision() {
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#ifdef SVN_REVISION
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return SVN_REVISION;
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#else
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return "";
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#endif
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}
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std::string getLLVMRevision() {
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#ifdef LLVM_REVISION
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return LLVM_REVISION;
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#else
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return "";
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#endif
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}
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std::string getClangFullRepositoryVersion() {
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std::string buf;
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llvm::raw_string_ostream OS(buf);
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std::string Path = getClangRepositoryPath();
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std::string Revision = getClangRevision();
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if (!Path.empty() || !Revision.empty()) {
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OS << '(';
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if (!Path.empty())
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OS << Path;
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if (!Revision.empty()) {
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if (!Path.empty())
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OS << ' ';
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OS << Revision;
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}
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OS << ')';
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}
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// Support LLVM in a separate repository.
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std::string LLVMRev = getLLVMRevision();
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if (!LLVMRev.empty() && LLVMRev != Revision) {
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OS << " (";
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std::string LLVMRepo = getLLVMRepositoryPath();
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if (!LLVMRepo.empty())
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OS << LLVMRepo << ' ';
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OS << LLVMRev << ')';
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}
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return OS.str();
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}
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std::string getClangFullVersion() {
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std::string buf;
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llvm::raw_string_ostream OS(buf);
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#ifdef CLANG_VENDOR
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OS << CLANG_VENDOR;
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#endif
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OS << "clang version " CLANG_VERSION_STRING " "
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<< getClangFullRepositoryVersion();
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// If vendor supplied, include the base LLVM version as well.
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#ifdef CLANG_VENDOR
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OS << " (based on LLVM " << PACKAGE_VERSION << ")";
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#endif
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return OS.str();
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}
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std::string getClangFullCPPVersion() {
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// The version string we report in __VERSION__ is just a compacted version of
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// the one we report on the command line.
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std::string buf;
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llvm::raw_string_ostream OS(buf);
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#ifdef CLANG_VENDOR
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OS << CLANG_VENDOR;
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#endif
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OS << "Clang " CLANG_VERSION_STRING " " << getClangFullRepositoryVersion();
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return OS.str();
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}
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} // end namespace clang
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