Safer interface for heap iteration.

runtime/vm/snapshot.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/snapshot.h"
 
 #include "platform/assert.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart.h"
@@ skipping 1549 matching lines @@
 #if defined(DEBUG)
   isolate_->ValidateClassTable();
 #endif
 
   // Collect all the script objects and their accompanying token stream objects
   // into an array so that we can write it out as part of the VM isolate
   // snapshot. We first count the number of script objects, allocate an array
   // and then fill it up with the script objects.
   ASSERT(isolate_ != NULL);
   ScriptVisitor scripts_counter(isolate_);
-  heap->old_space()->VisitObjects(&scripts_counter);
+  heap->IterateOldObjects(&scripts_counter);
   intptr_t count = scripts_counter.count();
   scripts_ = Array::New(count, Heap::kOld);
   ScriptVisitor script_visitor(isolate_, &scripts_);
-  heap->old_space()->VisitObjects(&script_visitor);
+  heap->IterateOldObjects(&script_visitor);
 
   // Stash the symbol table away for writing and reading into the vm isolate,
   // and reset the symbol table for the regular isolate so that we do not
   // write these symbols into the snapshot of a regular dart isolate.
   symbol_table_ = object_store->symbol_table();
   Symbols::SetupSymbolTable(isolate_);
 
   forward_list_ = new ForwardList(SnapshotWriter::FirstObjectId());
   ASSERT(forward_list_ != NULL);
 }
@@ skipping 756 matching lines @@
     NoSafepointScope no_safepoint;
     WriteObject(obj.raw());
     UnmarkAll();
   } else {
     ThrowException(exception_type(), exception_msg());
   }
 }
 
 
 }  // namespace dart