================
@@ -769,6 +770,51 @@ StringRef DiagnosticIDs::getNearestOption(diag::Flavor
Flavor,
return Best;
}
+unsigned DiagnosticIDs::getCompatDiagId(const LangOptions &LangOpts,
+ unsigned CompatDiagId) {
+ struct CompatDiag {
+ unsigned StdVer;
+ unsigned DiagId;
+ unsigned PreDiagId;
+ };
+
+ // We encode the standard version such that C++98 < C++11 < C++14 etc. The
+ // actual numbers don't really matter for this, but the definitions of the
+ // compat diags in the Tablegen file use the standard version number (i.e.
+ // 98, 11, 14, etc.), so we base the encoding here on that.
+#define DIAG_COMPAT_IDS_BEGIN()
+#define DIAG_COMPAT_IDS_END()
+#define DIAG_COMPAT_ID(Value, Name, Std, Diag, DiagPre)
\
+ {Std == 98 ? 1998 : 2000 + Std, diag::Diag, diag::DiagPre},
----------------
Sirraide wrote:
> Can we just expand this whole thing to work for C as well?
Yes, the plan is to expand this so it can also be used for C compatibility
warnings; I’m not 100% sure how that is going to work just yet though.
https://github.com/llvm/llvm-project/pull/132348
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