[OpenACC] Rename ParseOpenACCDirective to ParseOpenACCDirectiveDecl

The former name is more useful as a callee of the function in a future
patch, so as suggested in that review, move the rename here.

clang/include/clang/Parse/Parser.h

@@ -3531,7 +3531,7 @@ class Parser : public CodeCompletionHandler {
   /// Placeholder for now, should just ignore the directives after emitting a
   /// diagnostic. Eventually will be split into a few functions to parse
   /// different situations.
-  DeclGroupPtrTy ParseOpenACCDirective();
+  DeclGroupPtrTy ParseOpenACCDirectiveDecl();
   StmtResult ParseOpenACCDirectiveStmt();
 
 private:

clang/lib/Parse/ParseDecl.cpp

@@ -4735,7 +4735,7 @@ void Parser::ParseStructUnionBody(SourceLocation RecordLoc,
     }
 
     if (Tok.is(tok::annot_pragma_openacc)) {
-      ParseOpenACCDirective();
+      ParseOpenACCDirectiveDecl();
       continue;
     }
 

clang/lib/Parse/ParseDeclCXX.cpp

@@ -3430,7 +3430,7 @@ Parser::DeclGroupPtrTy Parser::ParseCXXClassMemberDeclarationWithPragmas(
     return ParseOpenMPDeclarativeDirectiveWithExtDecl(
         AS, AccessAttrs, /*Delayed=*/true, TagType, TagDecl);
   case tok::annot_pragma_openacc:
-    return ParseOpenACCDirective();
+    return ParseOpenACCDirectiveDecl();
 
   default:
     if (tok::isPragmaAnnotation(Tok.getKind())) {

clang/lib/Parse/ParseOpenACC.cpp

@@ -15,7 +15,7 @@
 
 using namespace clang;
 
-Parser::DeclGroupPtrTy Parser::ParseOpenACCDirective() {
+Parser::DeclGroupPtrTy Parser::ParseOpenACCDirectiveDecl() {
   Diag(Tok, diag::warn_pragma_acc_unimplemented);
   SkipUntil(tok::annot_pragma_openacc_end);
   return nullptr;

clang/lib/Parse/Parser.cpp

@@ -858,7 +858,7 @@ Parser::ParseExternalDeclaration(ParsedAttributes &Attrs,
     return ParseOpenMPDeclarativeDirectiveWithExtDecl(AS, Attrs);
   }
   case tok::annot_pragma_openacc:
-    return ParseOpenACCDirective();
+    return ParseOpenACCDirectiveDecl();
   case tok::annot_pragma_ms_pointers_to_members:
     HandlePragmaMSPointersToMembers();
     return nullptr;