[clang] [llvm] [clang][OpenMP] Shorten directive classification in ParseOpenMP (PR #94691)

[Krzysztof Parzyszek via cfe-commits]

================
@@ -2374,86 +2374,209 @@ Parser::DeclGroupPtrTy Parser::ParseOpenMPDeclarativeDirectiveWithExtDecl(
   case OMPD_unknown:
     Diag(Tok, diag::err_omp_unknown_directive);
     break;
-  case OMPD_parallel:
-  case OMPD_simd:
-  case OMPD_tile:
-  case OMPD_unroll:
-  case OMPD_task:
-  case OMPD_taskyield:
+  default:
+    switch (getDirectiveCategory(DKind)) {
+    case Category::Executable:
+    case Category::Meta:
+    case Category::Subsidiary:
+    case Category::Utility:
+      Diag(Tok, diag::err_omp_unexpected_directive)
+          << 1 << getOpenMPDirectiveName(DKind);
+      break;
+    default:
+      break;
----------------
kparzysz wrote:

Done.

https://github.com/llvm/llvm-project/pull/94691