clang API Documentation

VersionTuple.cpp
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00001 //===- VersionTuple.cpp - Version Number Handling ---------------*- C++ -*-===//
00002 //
00003 //                     The LLVM Compiler Infrastructure
00004 //
00005 // This file is distributed under the University of Illinois Open Source
00006 // License. See LICENSE.TXT for details.
00007 //
00008 //===----------------------------------------------------------------------===//
00009 //
00010 // This file implements the VersionTuple class, which represents a version in
00011 // the form major[.minor[.subminor]].
00012 //
00013 //===----------------------------------------------------------------------===//
00014 #include "clang/Basic/VersionTuple.h"
00015 #include "llvm/Support/raw_ostream.h"
00016 
00017 using namespace clang;
00018 
00019 std::string VersionTuple::getAsString() const {
00020   std::string Result;
00021   {
00022     llvm::raw_string_ostream Out(Result);
00023     Out << *this;
00024   }
00025   return Result;
00026 }
00027 
00028 raw_ostream& clang::operator<<(raw_ostream &Out, 
00029                                      const VersionTuple &V) {
00030   Out << V.getMajor();
00031   if (llvm::Optional<unsigned> Minor = V.getMinor())
00032     Out << '.' << *Minor;
00033   if (llvm::Optional<unsigned> Subminor = V.getSubminor())
00034     Out << '.' << *Subminor;
00035   return Out;
00036 }