[clang-format] Disable string literal breaking for text protos

Summary:
Commonly string literals in protos are already multiline, so breaking them
further is undesirable.

Reviewers: djasper

Reviewed By: djasper

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D42373

llvm-svn: 323319

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index 0da0cea708c..b709e9f84a7 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -675,6 +675,12 @@ FormatStyle getGoogleStyle(FormatStyle::LanguageKind Language) {
   if (Language == FormatStyle::LK_TextProto) {
     FormatStyle GoogleStyle = getGoogleStyle(FormatStyle::LK_Proto);
     GoogleStyle.Language = FormatStyle::LK_TextProto;
+
+    // Text protos are currently mostly formatted inside C++ raw string literals
+    // and often the current breaking behavior of string literals is not
+    // beneficial there. Investigate turning this on once proper string reflow
+    // has been implemented.
+    GoogleStyle.BreakStringLiterals = false;
     return GoogleStyle;
   }