[PATCH] D28764: [clang-format] Implement comment reflowing (v3)

[Krasimir Georgiev via Phabricator via cfe-commits]

krasimir created this revision.
krasimir added a reviewer: klimek.
krasimir added subscribers: ioeric, cfe-commits, mgorny, klimek, djasper.

This presents a version of the comment reflowing with less mutable state inside
the comment breakable token subclasses. The state has been pushed into the
driving breakProtrudingToken method. For this, the API of BreakableToken is enriched 
by the methods getSplitBefore and getLineLengthAfterSplitBefore.


https://reviews.llvm.org/D28764

Files:
  lib/Format/BreakableToken.cpp
  lib/Format/BreakableToken.h
  lib/Format/CMakeLists.txt
  lib/Format/Comments.cpp
  lib/Format/Comments.h
  lib/Format/ContinuationIndenter.cpp
  lib/Format/TokenAnnotator.cpp
  lib/Format/UnwrappedLineParser.cpp
  lib/Format/WhitespaceManager.cpp
  unittests/Format/FormatTest.cpp
  unittests/Format/FormatTestSelective.cpp

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