clang-format: Understand array reference types.

Before:
  void f(Type(&parameter)[10]) {}
  void f(Type (*parameter)[10]) {}

After:
  void f(Type (&parameter)[10]) {}
  void f(Type (*parameter)[10]) {}

llvm-svn: 249502

2 files changed, 2 insertions, 1 deletions

diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index 55a1ddd91c0..e9a78d8f661 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -155,7 +155,7 @@ private:
       Left->Type = TT_ObjCMethodExpr;
     }
 
-    bool MightBeFunctionType = CurrentToken->is(tok::star);
+    bool MightBeFunctionType = CurrentToken->isOneOf(tok::star, tok::amp);
     bool HasMultipleLines = false;
     bool HasMultipleParametersOnALine = false;
     bool MightBeObjCForRangeLoop =
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 581b10baafd..6a265f3dd15 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -5423,6 +5423,7 @@ TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) {
   verifyIndependentOfContext("return (int **&)a;");
   verifyIndependentOfContext("f((*PointerToArray)[10]);");
   verifyFormat("void f(Type (*parameter)[10]) {}");
+  verifyFormat("void f(Type (&parameter)[10]) {}");
   verifyGoogleFormat("return sizeof(int**);");
   verifyIndependentOfContext("Type **A = static_cast<Type **>(P);");
   verifyGoogleFormat("Type** A = static_cast<Type**>(P);");