[PATCH] D40310: Restructure how we break tokens.

[Manuel Klimek via Phabricator via cfe-commits]

klimek created this revision.

This fixes some bugs in the reflowing logic and splits out the concerns
of reflowing from BreakableToken.

Things to do after this patch:

- Refactor the breakProtrudingToken function possibly into a class, so we can split it up into methods that operate on the common state.
- Optimize whitespace compression when reflowing by using the next possible split point instead of the latest possible split point.


https://reviews.llvm.org/D40310

Files:
  lib/Format/BreakableToken.cpp
  lib/Format/BreakableToken.h
  lib/Format/ContinuationIndenter.cpp
  unittests/Format/FormatTest.cpp
  unittests/Format/FormatTestComments.cpp

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