[clang] [OpenACC] Implement Sema work for OpenACC Clauses (PR #87821)

[Alexey Bataev via cfe-commits]

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@@ -1204,15 +1238,16 @@ Parser::OpenACCDirectiveParseInfo Parser::ParseOpenACCDirective() {
     Diag(Tok, diag::err_expected) << tok::l_paren;
   }
 
-  // Parses the list of clauses, if present.
-  ParseOpenACCClauseList(DirKind);
+  // Parses the list of clauses, if present, plus set up return value.
+  OpenACCDirectiveParseInfo ParseInfo{DirKind, StartLoc, SourceLocation{},
+                                      ParseOpenACCClauseList(DirKind)};
 
   assert(Tok.is(tok::annot_pragma_openacc_end) &&
          "Didn't parse all OpenACC Clauses");
-  SourceLocation EndLoc = ConsumeAnnotationToken();
-  assert(EndLoc.isValid());
+  ParseInfo.EndLoc = ConsumeAnnotationToken();
+  assert(ParseInfo.EndLoc.isValid());
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alexey-bataev wrote:

Add assertion message

https://github.com/llvm/llvm-project/pull/87821