[PATCH] [clang-tidy] Add an option to export suggested fixes into a file.

[Benjamin Kramer]

REPOSITORY
  rL LLVM

================
Comment at: clang-tidy/ClangTidy.cpp:374
@@ +373,3 @@
+  yaml::Output YAML(OS);
+  YAML << TUR;
+}
----------------
alexfh wrote:
> bkramer wrote:
> > alexfh wrote:
> > > "return YAML.error();" seems like a good idea in case the file is not writable or any other error occurs.
> > yaml::Output has no way to retrieve errors :(
> Oh, didn't know that. In this case, you could use raw_fd_ostream::has_error() after manually closing it. It doesn't provide much detail about what was wrong, but it's better than nothing. WDYT?
raw_ostream will report a fatal error on close anyways when anything went wrong (and we didn't clear the error). The only thing we could do is provide a nicer message, not sure if that's worth the additional code.

http://reviews.llvm.org/D5176