| //===- Version.cpp - Clang Version Number -----------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines several version-related utility functions for Clang. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/Basic/Version.h" |
| #include "clang/Basic/LLVM.h" |
| #include "clang/Config/config.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <cstdlib> |
| #include <cstring> |
| |
| #ifdef HAVE_VCS_VERSION_INC |
| #include "VCSVersion.inc" |
| #endif |
| |
| namespace clang { |
| |
| std::string getClangRepositoryPath() { |
| #if defined(CLANG_REPOSITORY_STRING) |
| return CLANG_REPOSITORY_STRING; |
| #else |
| #ifdef CLANG_REPOSITORY |
| StringRef URL(CLANG_REPOSITORY); |
| #else |
| StringRef URL(""); |
| #endif |
| |
| // If the CLANG_REPOSITORY is empty, try to use the SVN keyword. This helps us |
| // pick up a tag in an SVN export, for example. |
| StringRef SVNRepository("$URL$"); |
| if (URL.empty()) { |
| URL = SVNRepository.slice(SVNRepository.find(':'), |
| SVNRepository.find("/lib/Basic")); |
| } |
| |
| // Strip off version from a build from an integration branch. |
| URL = URL.slice(0, URL.find("/src/tools/clang")); |
| |
| // Trim path prefix off, assuming path came from standard cfe path. |
| size_t Start = URL.find("cfe/"); |
| if (Start != StringRef::npos) |
| URL = URL.substr(Start + 4); |
| |
| return URL; |
| #endif |
| } |
| |
| std::string getLLVMRepositoryPath() { |
| #ifdef LLVM_REPOSITORY |
| StringRef URL(LLVM_REPOSITORY); |
| #else |
| StringRef URL(""); |
| #endif |
| |
| // Trim path prefix off, assuming path came from standard llvm path. |
| // Leave "llvm/" prefix to distinguish the following llvm revision from the |
| // clang revision. |
| size_t Start = URL.find("llvm/"); |
| if (Start != StringRef::npos) |
| URL = URL.substr(Start); |
| |
| return URL; |
| } |
| |
| std::string getClangRevision() { |
| #ifdef CLANG_REVISION |
| return CLANG_REVISION; |
| #else |
| return ""; |
| #endif |
| } |
| |
| std::string getLLVMRevision() { |
| #ifdef LLVM_REVISION |
| return LLVM_REVISION; |
| #else |
| return ""; |
| #endif |
| } |
| |
| std::string getClangFullRepositoryVersion() { |
| std::string buf; |
| llvm::raw_string_ostream OS(buf); |
| std::string Path = getClangRepositoryPath(); |
| std::string Revision = getClangRevision(); |
| if (!Path.empty() || !Revision.empty()) { |
| OS << '('; |
| if (!Path.empty()) |
| OS << Path; |
| if (!Revision.empty()) { |
| if (!Path.empty()) |
| OS << ' '; |
| OS << Revision; |
| } |
| OS << ')'; |
| } |
| // Support LLVM in a separate repository. |
| std::string LLVMRev = getLLVMRevision(); |
| if (!LLVMRev.empty() && LLVMRev != Revision) { |
| OS << " ("; |
| std::string LLVMRepo = getLLVMRepositoryPath(); |
| if (!LLVMRepo.empty()) |
| OS << LLVMRepo << ' '; |
| OS << LLVMRev << ')'; |
| } |
| return OS.str(); |
| } |
| |
| std::string getClangFullVersion() { |
| return getClangToolFullVersion("clang"); |
| } |
| |
| std::string getClangToolFullVersion(StringRef ToolName) { |
| std::string buf; |
| llvm::raw_string_ostream OS(buf); |
| #ifdef CLANG_VENDOR |
| OS << CLANG_VENDOR; |
| #endif |
| OS << ToolName << " version " CLANG_VERSION_STRING " " |
| << getClangFullRepositoryVersion(); |
| |
| // If vendor supplied, include the base LLVM version as well. |
| #ifdef CLANG_VENDOR |
| OS << " (based on " << BACKEND_PACKAGE_STRING << ")"; |
| #endif |
| |
| return OS.str(); |
| } |
| |
| std::string getClangFullCPPVersion() { |
| // The version string we report in __VERSION__ is just a compacted version of |
| // the one we report on the command line. |
| std::string buf; |
| llvm::raw_string_ostream OS(buf); |
| #ifdef CLANG_VENDOR |
| OS << CLANG_VENDOR; |
| #endif |
| OS << "Clang " CLANG_VERSION_STRING " " << getClangFullRepositoryVersion(); |
| return OS.str(); |
| } |
| |
| } // end namespace clang |