Formatter: Support @public/@protected/@package/@private.

@package is an Objective-C 2 feature, so turn on ObjC2 as well.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171766 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Format/UnwrappedLineParser.cpp b/lib/Format/UnwrappedLineParser.cpp
index d722025..adb5363 100644
--- a/lib/Format/UnwrappedLineParser.cpp
+++ b/lib/Format/UnwrappedLineParser.cpp
@@ -198,6 +198,18 @@
 
   int TokenNumber = 0;
   switch (FormatTok.Tok.getKind()) {
+  case tok::at:
+    nextToken();
+    switch (FormatTok.Tok.getObjCKeywordID()) {
+    case tok::objc_public:
+    case tok::objc_protected:
+    case tok::objc_package:
+    case tok::objc_private:
+      return parseAccessSpecifier();
+    default:
+      break;
+    }
+    break;
   case tok::kw_namespace:
     parseNamespace();
     return;