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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 "llvm/ADT/StringRef.h"
#include "llvm/Support/raw_ostream.h"
#include <cstring>
#include <cstdlib>
using namespace std;
namespace clang {
llvm::StringRef getClangRepositoryPath() {
static const char *Path = 0;
if (Path)
return Path;
static char URL[] = "$URL$";
char *End = strstr(URL, "/lib/Basic");
if (End)
*End = 0;
End = strstr(URL, "/clang/tools/clang");
if (End)
*End = 0;
char *Begin = strstr(URL, "cfe/");
if (Begin) {
Path = Begin + 4;
return Path;
}
Path = URL;
return Path;
}
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 Out(revision);
Out << strtol(SVN_REVISION, 0, 10);
}
return revision;
#endif
}
llvm::StringRef getClangFullRepositoryVersion() {
static std::string buf;
if (buf.empty()) {
llvm::raw_string_ostream Out(buf);
Out << getClangRepositoryPath();
llvm::StringRef Revision = getClangRevision();
if (!Revision.empty())
Out << ' ' << Revision;
}
return buf;
}
} // end namespace clang
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