Make sure Sema::ParsedFreeStandingDeclSpec() returns a decl representing the type.

Adding basic printing to StmtPrinter::PrintRawDecl().



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44208 91177308-0d34-0410-b5e6-96231b3b80d8

AST/StmtPrinter.cpp

@@ -133,8 +133,16 @@ void StmtPrinter::PrintRawDecl(Decl *D) {
         PrintExpr(V->getInit());
       }
     }
+  } else if (TagDecl *TD = dyn_cast<TagDecl>(D)) {
+    // print a free standing tag decl (e.g. "struct x;"). 
+    OS << TD->getKindName();
+    OS << " ";
+    if (const IdentifierInfo *II = TD->getIdentifier())
+      OS << II->getName();
+    else
+      OS << "<anonymous>";
+    // FIXME: print tag bodies.
   } else {
-    // FIXME: "struct x;"
     assert(0 && "Unexpected decl");
   }
 }

Driver/ASTConsumers.cpp

@@ -536,7 +536,7 @@ namespace {
       } else if (FileVarDecl *FVD = dyn_cast<FileVarDecl>(D)) {
         CodeGen::CodeGenGlobalVar(Builder, FVD);
       } else {
-        assert(isa<TypedefDecl>(D) && "Only expected typedefs here");
+        assert(isa<TypeDecl>(D) && "Only expected type decls here");
         // don't codegen for now, eventually pass down for debug info.
         //std::cerr << "Read top-level typedef decl: '" << D->getName() << "'\n";
       }

Sema/SemaDecl.cpp

@@ -347,7 +347,7 @@ Sema::DeclTy *Sema::ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS) {
   // TODO: emit error on 'typedef int;'
   // if (!DS.isMissingDeclaratorOk()) Diag(...);
   
-  return 0;
+  return DS.getTypeRep();
 }
 
 bool Sema::CheckSingleInitializer(Expr *&Init, bool isStatic,