[PATCH] D71407: [TableGen] Introduce a `defvar` statement.

[Simon Tatham via Phabricator via llvm-commits]

simon_tatham updated this revision to Diff 233801.
simon_tatham added a comment.

Revised patch which keeps local-variable scopes in a stack, and opens
a temporary scope for each multiclass body, object body, or foreach body.

This is now out of 'first draft' status and ready for proper review.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71407/new/

https://reviews.llvm.org/D71407

Files:
  llvm/docs/TableGen/LangRef.rst
  llvm/lib/TableGen/TGLexer.cpp
  llvm/lib/TableGen/TGLexer.h
  llvm/lib/TableGen/TGParser.cpp
  llvm/lib/TableGen/TGParser.h
  llvm/test/TableGen/defvar.td

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