[clang-format] Break consecutive string literals in text protos

Summary:
This patch fixes a bug where consecutive string literals in text protos were
put on the same line.

Reviewers: alexfh

Reviewed By: alexfh

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D44204

llvm-svn: 326945

2 files changed, 8 insertions, 1 deletions

diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index 013a77b4c59..97a201d267e 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -2717,7 +2717,8 @@ bool TokenAnnotator::mustBreakBefore(const AnnotatedLine &Line,
       return true;
   } else if (Style.Language == FormatStyle::LK_Cpp ||
              Style.Language == FormatStyle::LK_ObjC ||
-             Style.Language == FormatStyle::LK_Proto) {
+             Style.Language == FormatStyle::LK_Proto ||
+             Style.Language == FormatStyle::LK_TextProto) {
     if (Left.isStringLiteral() && Right.isStringLiteral())
       return true;
   }
diff --git a/clang/unittests/Format/FormatTestTextProto.cpp b/clang/unittests/Format/FormatTestTextProto.cpp
index 1102055ea37..39a2e71cbbd 100644
--- a/clang/unittests/Format/FormatTestTextProto.cpp
+++ b/clang/unittests/Format/FormatTestTextProto.cpp
@@ -452,5 +452,11 @@ TEST_F(FormatTestTextProto, AcceptsOperatorAsKey) {
                "  >\n"
                ">");
 }
+
+TEST_F(FormatTestTextProto, BreaksConsecutiveStringLiterals) {
+  verifyFormat("ala: \"str1\"\n"
+               "     \"str2\"\n");
+}
+
 } // end namespace tooling
 } // end namespace clang