[PATCH] D70610: [TableGen] Add backend to generate command guide for tools using libOption.

[Jonas Devlieghere via Phabricator via llvm-commits]

JDevlieghere created this revision.
JDevlieghere added reviewers: dsanders, Bigcheese, labath.
Herald added subscribers: dexonsmith, mgorny.
Herald added a project: LLVM.

For `lldb` and `dsymutil`, the command guide is essentially a copy of its help output generated by libOption. Making sure the two stay in sync is tedious and error prone. Given that we already generate the help from a tablegen file, we might as well generate the RST as well.

This adds a tablegen backend for generating Sphinx/RST command guides from the tablegen file.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D70610

Files:
  llvm/utils/TableGen/CMakeLists.txt
  llvm/utils/TableGen/OptEmitter.cpp
  llvm/utils/TableGen/OptEmitter.h
  llvm/utils/TableGen/OptParserEmitter.cpp
  llvm/utils/TableGen/OptRSTEmitter.cpp
  llvm/utils/TableGen/TableGen.cpp
  llvm/utils/TableGen/TableGenBackends.h

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