From 78a4e619e775b0dbaa10c9feaea0adf1d3dfe507 Mon Sep 17 00:00:00 2001
From: Daniel Jasper <djasper@google.com>
Date: Sat, 12 Oct 2013 05:16:06 +0000
Subject: [PATCH] clang-format: No space in "<::" in C++11 mode.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192524 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Format/Format.cpp           | 12 ++++++++----
 lib/Format/TokenAnnotator.cpp   |  5 +++--
 unittests/Format/FormatTest.cpp |  6 ++++++
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/lib/Format/Format.cpp b/lib/Format/Format.cpp
index aac9fffb01..7e92a705ca 100644
--- a/lib/Format/Format.cpp
+++ b/lib/Format/Format.cpp
@@ -1012,10 +1012,14 @@ private:
             ++CountBoundToType;
         }
 
-        if (Tok->Type == TT_TemplateCloser &&
-            Tok->Previous->Type == TT_TemplateCloser &&
-            Tok->WhitespaceRange.getBegin() == Tok->WhitespaceRange.getEnd())
-          HasCpp03IncompatibleFormat = true;
+        if (Tok->WhitespaceRange.getBegin() == Tok->WhitespaceRange.getEnd()) {
+          if (Tok->is(tok::coloncolon) &&
+              Tok->Previous->Type == TT_TemplateOpener)
+            HasCpp03IncompatibleFormat = true;
+          if (Tok->Type == TT_TemplateCloser &&
+              Tok->Previous->Type == TT_TemplateCloser)
+            HasCpp03IncompatibleFormat = true;
+        }
 
         if (Tok->PackingKind == PPK_BinPacked)
           HasBinPackedFunction = true;
diff --git a/lib/Format/TokenAnnotator.cpp b/lib/Format/TokenAnnotator.cpp
index e1ffc25f63..4d95ecfe4f 100644
--- a/lib/Format/TokenAnnotator.cpp
+++ b/lib/Format/TokenAnnotator.cpp
@@ -1231,8 +1231,9 @@ bool TokenAnnotator::spaceRequiredBetween(const AnnotatedLine &Line,
   if (Left.is(tok::coloncolon))
     return false;
   if (Right.is(tok::coloncolon))
-    return !Left.isOneOf(tok::identifier, tok::greater, tok::l_paren,
-                         tok::r_paren);
+    return (Left.is(tok::less) && Style.Standard == FormatStyle::LS_Cpp03) ||
+           !Left.isOneOf(tok::identifier, tok::greater, tok::l_paren,
+                         tok::r_paren, tok::less);
   if (Left.is(tok::less) || Right.isOneOf(tok::greater, tok::less))
     return false;
   if (Right.is(tok::ellipsis))
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index f80dc6fc34..5fea8e781e 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -3711,8 +3711,14 @@ TEST_F(FormatTest, UnderstandsTemplateParameters) {
   verifyGoogleFormat("A<A<int> > a;");
   verifyGoogleFormat("A<A<A<int> > > a;");
   verifyGoogleFormat("A<A<A<A<int> > > > a;");
+  verifyGoogleFormat("A<::A<int>> a;");
+  verifyGoogleFormat("A<::A> a;");
+  verifyGoogleFormat("A< ::A> a;");
+  verifyGoogleFormat("A< ::A<int> > a;");
   EXPECT_EQ("A<A<A<A>>> a;", format("A<A<A<A> >> a;", getGoogleStyle()));
   EXPECT_EQ("A<A<A<A>>> a;", format("A<A<A<A>> > a;", getGoogleStyle()));
+  EXPECT_EQ("A<::A<int>> a;", format("A< ::A<int>> a;", getGoogleStyle()));
+  EXPECT_EQ("A<::A<int>> a;", format("A<::A<int> > a;", getGoogleStyle()));
 
   verifyFormat("test >> a >> b;");
   verifyFormat("test << a >> b;");
-- 
2.40.0