clang-format: Fix SpacesInParentheses with fully qualified names.

When SpacesInParentheses is set to true clang-format does not add a
space before fully qualified names. For example:

  do_something(::globalVar );

Fix by Darby Payne. Thank you!

llvm-svn: 328200

2 files changed, 3 insertions, 1 deletions

diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index 681e790f877..7fa2ff7f2eb 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -2692,7 +2692,8 @@ bool TokenAnnotator::spaceRequiredBefore(const AnnotatedLine &Line,
             Style.Standard == FormatStyle::LS_Cpp03) ||
            !(Left.isOneOf(tok::l_paren, tok::r_paren, tok::l_square,
                           tok::kw___super, TT_TemplateCloser,
-                          TT_TemplateOpener));
+                          TT_TemplateOpener)) ||
+           (Left.is(tok ::l_paren) && Style.SpacesInParentheses);
   if ((Left.is(TT_TemplateOpener)) != (Right.is(TT_TemplateCloser)))
     return Style.SpacesInAngles;
   // Space before TT_StructuredBindingLSquare.
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 400a55827a0..fa5506fbfb5 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -8827,6 +8827,7 @@ TEST_F(FormatTest, ConfigurableSpacesInParentheses) {
   FormatStyle Spaces = getLLVMStyle();
 
   Spaces.SpacesInParentheses = true;
+  verifyFormat("do_something( ::globalVar );", Spaces);
   verifyFormat("call( x, y, z );", Spaces);
   verifyFormat("call();", Spaces);
   verifyFormat("std::function<void( int, int )> callback;", Spaces);