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1 //===- VersionTuple.cpp - Version Number Handling ---------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements the VersionTuple class, which represents a version in
11 // the form major[.minor[.subminor]].
12 //
13 //===----------------------------------------------------------------------===//
14 #include "clang/Basic/VersionTuple.h"
15 #include "llvm/Support/raw_ostream.h"
16
17 using namespace clang;
18
19 std::string VersionTuple::getAsString() const {
20   std::string Result;
21   {
22     llvm::raw_string_ostream Out(Result);
23     Out << *this;
24   }
25   return Result;
26 }
27
28 raw_ostream& clang::operator<<(raw_ostream &Out, 
29                                      const VersionTuple &V) {
30   Out << V.getMajor();
31   if (llvm::Optional<unsigned> Minor = V.getMinor())
32     Out << '.' << *Minor;
33   if (llvm::Optional<unsigned> Subminor = V.getSubminor())
34     Out << '.' << *Subminor;
35   return Out;
36 }