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

[Erich Keane via cfe-commits]

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@@ -11077,16 +11077,65 @@ OMPClause *TreeTransform<Derived>::TransformOMPXBareClause(OMPXBareClause *C) {
 //===----------------------------------------------------------------------===//
 // OpenACC transformation
 //===----------------------------------------------------------------------===//
+template <typename Derived>
+OpenACCClause *TreeTransform<Derived>::TransformOpenACCClause(
+    ArrayRef<const OpenACCClause *> ExistingClauses,
+    OpenACCDirectiveKind DirKind, const OpenACCClause *OldClause) {
+
+  SemaOpenACC::OpenACCParsedClause ParsedClause(
+      DirKind, OldClause->getClauseKind(), OldClause->getBeginLoc());
+  ParsedClause.setEndLoc(OldClause->getEndLoc());
+
+  if (const auto *WithParms = dyn_cast<OpenACCClauseWithParams>(OldClause))
+    ParsedClause.setLParenLoc(WithParms->getLParenLoc());
+
+  switch (OldClause->getClauseKind()) {
+    // TODO OpenACC: Transform individual clauses, and set their info in
+    // ParsedClause.
+  default:
+    assert(false && "Unhandled OpenACC clause in TreeTransform");
+    return nullptr;
+  }
+
+  return getSema().OpenACC().ActOnClause(ExistingClauses, ParsedClause);
+}
+
+template <typename Derived>
+llvm::SmallVector<OpenACCClause *>
+TreeTransform<Derived>::TransformOpenACCClauseList(
+    OpenACCDirectiveKind DirKind, ArrayRef<const OpenACCClause *> OldClauses) {
----------------
erichkeane wrote:

In this patch, no.  The next patch (that actually adds a clause) does, but I wanted to split the patch up to make it easier for you to review.  This one is already unfortunately large, despite it effectively being 'NFC'.

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