[PATCH] D126673: [FileCheck][NFC] Refactor FileCheckDiag into class hierarchy
Joel E. Denny via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon May 30 12:04:48 PDT 2022
jdenny created this revision.
jdenny added reviewers: probinson, thopre, jhenderson.
Herald added subscribers: kosarev, hiraditya.
Herald added a project: All.
jdenny requested review of this revision.
Herald added a project: LLVM.
Problem
=======
`FileCheckDiag` and its `enum MatchType` have outgrown their original
purpose. The `-dump-input` presentation layer (in
`llvm/utils/FileCheck/FileCheck.cpp`) and the FileCheck library's
diagnostic emission (in `llvm/lib/FileCheck/FileCheck.cpp`) are too
tightly coupled. The interactions are subtle to understand and
maintain. It is difficult for the former to reason about the latter's
emitted diagnostics in order to present them in the most readable
manner.
Solution
========
This patch removes `MatchType` from `FileCheckDiag` and refactors
`FileCheckDiag` as the base class of a class hierarchy. That class
hierarchy is designed to enable the FileCheck library to focus on
communicating FileCheck diagnostic information clearly and completely
without participating in the specific presentation decisions of
`-dump-input`. `-dump-input` is then freer to evolve more
independently in the way it reasons about emitted diagnostics.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D126673
Files:
llvm/include/llvm/FileCheck/FileCheck.h
llvm/lib/FileCheck/FileCheck.cpp
llvm/lib/FileCheck/FileCheckImpl.h
llvm/unittests/FileCheck/FileCheckTest.cpp
llvm/utils/FileCheck/FileCheck.cpp
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