Update clang to r94309.

1 files changed, 38 insertions, 4 deletions

diff --git a/lib/Basic/Version.cpp b/lib/Basic/Version.cpp
index ba31544..b1b250f 100644
--- a/lib/Basic/Version.cpp
+++ b/lib/Basic/Version.cpp
@@ -10,13 +10,17 @@
 // 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 {
   
-const char *getClangSubversionPath() {
+llvm::StringRef getClangRepositoryPath() {
   static const char *Path = 0;
   if (Path)
     return Path;
@@ -41,13 +45,43 @@ const char *getClangSubversionPath() {
 }
 
 
-unsigned getClangSubversionRevision() {
+llvm::StringRef getClangRevision() {
 #ifndef SVN_REVISION
   // Subversion was not available at build time?
-  return 0;
+  return llvm::StringRef();
 #else
-  return strtol(SVN_REVISION, 0, 10);
+  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