[PATCH] D102730: [clang-format] Support custom If macros

[Vitali Lovich via Phabricator via cfe-commits]

vlovich created this revision.
vlovich added reviewers: curdeius, MyDeveloperDay, HazardyKnusperkeks.
vlovich added a project: clang-format.
vlovich requested review of this revision.
Herald added a project: clang.
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Like with ForEachMacros, support user to provide additional macros that act like `if` statements.

This makes it possible to support KJ_IF_MAYBE from the cap'n'proto library:
https://github.com/capnproto/capnproto/blob/master/kjdoc/tour.md#maybes.

https://bugs.llvm.org/show_bug.cgi?id=49354


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D102730

Files:
  clang/docs/ClangFormatStyleOptions.rst
  clang/include/clang/Format/Format.h
  clang/lib/Format/Format.cpp
  clang/lib/Format/FormatToken.h
  clang/lib/Format/FormatTokenLexer.cpp
  clang/lib/Format/TokenAnnotator.cpp
  clang/unittests/Format/FormatTest.cpp

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