[PATCH] Added an option to specify fallback style.

[Daniel Jasper]

================
Comment at: include/clang/Format/Format.h:411
@@ -409,1 +410,3 @@
+FormatStyle getStyle(StringRef StyleName, StringRef FileName,
+                     StringRef FallbackStyle);
 
----------------
This will break

  clang/tools/extra/clang-apply-replacements/tool/ClangApplyReplacementsMain.cpp.

and possibly others? So either fix all instances or add a default value.

================
Comment at: lib/Format/Format.cpp:1736
@@ -1733,3 +1735,3 @@
   }
   llvm::errs() << "Can't find usable .clang-format, using " << FallbackStyle
                << " style\n";
----------------
Having any output in this case breaks the current emacs integration. I have not found an easy way to work around this (i.e. to send stderr or stdout to different buffers).

I think, if -fallback-style is present, we should silently fall back to it.


http://llvm-reviews.chandlerc.com/D2292