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r324246 | mzeren-vmw | 2018-02-05 16:59:00 +0100 (Mon, 05 Feb 2018) | 33 lines

[clang-format] Re-land: Fixup #include guard indents after parseFile()

Summary:
When a preprocessor indent closes after the last line of normal code we do not
correctly fixup include guard indents. For example:

  #ifndef HEADER_H
  #define HEADER_H
  #if 1
  int i;
  #  define A 0
  #endif
  #endif

incorrectly reformats to:

  #ifndef HEADER_H
  #define HEADER_H
  #if 1
  int i;
  #    define A 0
  #  endif
  #endif

To resolve this issue we must fixup levels after parseFile(). Delaying
the fixup introduces a new state, so consolidate include guard search
state into an enum.

Reviewers: krasimir, klimek

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D42035
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@324331 91177308-0d34-0410-b5e6-96231b3b80d8