cor3ntin added inline comments.
================ Comment at: clang/include/clang/Basic/DiagnosticLexKinds.td:393-398 +def warn_cxx2b_compat_warning_directive : Warning< + "#warning is incompatible with C++ standards before C++2b">, + InGroup<CXXPre2bCompat>, DefaultIgnore; +def warn_c2x_compat_warning_directive : Warning< + "#warning is incompatible with C standards before C2x">, + InGroup<CPre2xCompat>, DefaultIgnore; ---------------- aaron.ballman wrote: > <Not Your Problem>Someday, it would be nice if we made the tablegen for > diagnostics a wee bit smarter so that we don't need to use two separate > warning declarations for this situation. In fact, it'd be nice if tablegen > could just automate this pattern given how often we use it and will be using > it in the future.</Not Your Problem> That would be great indeed! ================ Comment at: clang/lib/Lex/PPDirectives.cpp:1264-1273 + if (LangOpts.CPlusPlus) + Diag(Result, LangOpts.CPlusPlus2b + ? diag::warn_cxx2b_compat_warning_directive + : diag::ext_pp_warning_directive) + << /*C++2b*/ 1; + else + Diag(Result, LangOpts.C2x ? diag::warn_c2x_compat_warning_directive ---------------- aaron.ballman wrote: > Similarly (and also not your problem), it'd be nice to have a helper function > so that we don't need this complicated of a dance to diagnose the situation. Agreed! Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D130415/new/ https://reviews.llvm.org/D130415 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits