[PATCH] D106732: Support macro deprecation #pragma clang deprecated
Chris Bieneman via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Jul 23 18:03:41 PDT 2021
beanz created this revision.
beanz added reviewers: aaron.ballman, rsmith, erik.pilkington, lgerbarg, pete.
Herald added a subscriber: dexonsmith.
beanz requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added a subscriber: sstefan1.
Herald added a project: clang.
This patch adds `#pragma clang deprecated` to enable deprecation of
preprocessor macros.
The macro must be defined before `#pragma clang deprecated`. When
deprecating a macro a custom message may be optionally provided.
Warnings are emitted at the use site of a deprecated macro, and can be
controlled via the `-Wdeprecated` warning group.
This patch takes some rough inspiration and a few lines of code from
https://reviews.llvm.org/D67935.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D106732
Files:
clang/docs/LanguageExtensions.rst
clang/include/clang/Basic/DiagnosticGroups.td
clang/include/clang/Basic/DiagnosticLexKinds.td
clang/include/clang/Basic/IdentifierTable.h
clang/include/clang/Lex/Preprocessor.h
clang/lib/Lex/PPMacroExpansion.cpp
clang/lib/Lex/Pragma.cpp
clang/test/Lexer/deprecate-macro.c
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