llvm-project/clang/lib/Basic/Version.cpp

119 lines
2.7 KiB
C++

//===- 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
return CLANG_REPOSITORY;
#else
return "";
#endif
#endif
}
std::string getLLVMRepositoryPath() {
#ifdef LLVM_REPOSITORY
return LLVM_REPOSITORY;
#else
return "";
#endif
}
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();
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