Migrate DeclStmt over to using a DeclGroup instead of a pointer to a ScopedDecl*.

This also removes the ugly hack needed in CFG.cpp for subclassing DeclStmt to create a DeclStmt with one Decl*.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57275 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 22 insertions, 1 deletions

diff --git a/lib/Sema/SemaStmt.cpp b/lib/Sema/SemaStmt.cpp
index 68b36ba818..f75758ebb0 100644
--- a/lib/Sema/SemaStmt.cpp
+++ b/lib/Sema/SemaStmt.cpp
@@ -42,7 +42,28 @@ Sema::StmtResult Sema::ActOnDeclStmt(DeclTy *decl, SourceLocation StartLoc,
     return true;
   
   ScopedDecl *SD = cast<ScopedDecl>(static_cast<Decl *>(decl));
-  return new DeclStmt(SD, StartLoc, EndLoc);
+  
+  
+  // This is a temporary hack until we are always passing around
+  // DeclGroupRefs.
+  llvm::SmallVector<Decl*, 10> decls;
+  while (SD) { 
+    ScopedDecl* d = SD;
+    SD = SD->getNextDeclarator();
+    d->setNextDeclarator(0);
+    decls.push_back(d);
+  }
+
+  assert (!decls.empty());
+    
+  if (decls.size() == 1) {
+    DeclGroupOwningRef DG(*decls.begin());                      
+    return new DeclStmt(DG, StartLoc, EndLoc);
+  }
+  else {
+    DeclGroupOwningRef DG(DeclGroup::Create(Context, decls.size(), &decls[0]));                      
+    return new DeclStmt(DG, StartLoc, EndLoc);
+  }
 }
 
 Action::StmtResult