scripts.

llvm-svn: 179676

llvm-svn: 179377

The new emacs integration is simpler, does not save the current file
before reformatting and ensures that emacs does not scroll as a result
of formatting.

Also explicitly set the style in clang-format tests to make them more
robust.

llvm-svn: 179372

This adds an emacs editor integration (thanks to Ami Fischman). Also
pulls out the style into a variable for the vi integration and just
uses clang-formats defaults style in clang-format-diff.py.

llvm-svn: 179098

The styles are now documented with the -style option. This fixes
llvm.org/PR15689.

llvm-svn: 179017

llvm-svn: 177506