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//===- Version.cpp - Clang Version Number -----------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines several version-related utility functions for Clang.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/Version.h"
#include "llvm/Support/raw_ostream.h"
#include <cstring>
#include <cstdlib>
using namespace std;
namespace clang {
llvm::StringRef getClangRepositoryPath() {
static const char URL[] = "$URL$";
const char *URLEnd = URL + strlen(URL);
const char *End = strstr(URL, "/lib/Basic");
if (End)
URLEnd = End;
End = strstr(URL, "/clang/tools/clang");
if (End)
URLEnd = End;
const char *Begin = strstr(URL, "cfe/");
if (Begin)
return llvm::StringRef(Begin + 4, URLEnd - Begin - 4);
return llvm::StringRef(URL, URLEnd - URL);
}
llvm::StringRef getClangRevision() {
#ifndef SVN_REVISION
// Subversion was not available at build time?
return llvm::StringRef();
#else
static std::string revision;
if (revision.empty()) {
llvm::raw_string_ostream OS(revision);
OS << strtol(SVN_REVISION, 0, 10);
}
return revision;
#endif
}
llvm::StringRef getClangFullRepositoryVersion() {
static std::string buf;
if (buf.empty()) {
llvm::raw_string_ostream OS(buf);
OS << getClangRepositoryPath();
llvm::StringRef Revision = getClangRevision();
if (!Revision.empty())
OS << ' ' << Revision;
}
return buf;
}
const char *getClangFullVersion() {
static std::string buf;
if (buf.empty()) {
llvm::raw_string_ostream OS(buf);
#ifdef CLANG_VENDOR
OS << CLANG_VENDOR;
#endif
OS << "clang version " CLANG_VERSION_STRING " ("
<< getClangFullRepositoryVersion() << ')';
}
return buf.c_str();
}
} // end namespace clang
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