[clang] Add support for the "abstract" contextual keyword of MSVC
authorAbbas Sabra <abbassabracpp@gmail.com>
Mon, 31 May 2021 08:38:17 +0000 (10:38 +0200)
committerHans Wennborg <hans@chromium.org>
Mon, 31 May 2021 08:44:53 +0000 (10:44 +0200)
commit818338add77411f5e9713247ea66142f332ef350
tree53213c0cc776a346f8b98397eeb4eb641d0fcc3a
parentbf35f4af51cddd743435bb6b94a45592c967891a
[clang] Add support for the "abstract" contextual keyword of MSVC

https://docs.microsoft.com/en-us/cpp/extensions/abstract-cpp-component-extensions?view=msvc-160
Note: like the already supported "sealed" keyword, the "abstract"
keyword is supported by MSVC by default.

Differential revision: https://reviews.llvm.org/D102517
clang/include/clang/AST/DeclCXX.h
clang/include/clang/Basic/DiagnosticGroups.td
clang/include/clang/Basic/DiagnosticParseKinds.td
clang/include/clang/Parse/Parser.h
clang/include/clang/Sema/DeclSpec.h
clang/include/clang/Sema/Sema.h
clang/lib/Parse/ParseDeclCXX.cpp
clang/lib/Sema/DeclSpec.cpp
clang/lib/Sema/SemaDecl.cpp
clang/test/SemaCXX/MicrosoftExtensions.cpp