- Separate store buffer data in the isolate into the StoreBufferBlock and

runtime/vm/store_buffer.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/store_buffer.h"
 
 #include "platform/assert.h"
 
 namespace dart {
 
 void StoreBufferBlock::ProcessBuffer() {
   // TODO(iposva): Do the right thing for store buffer overflow.
   top_ = 0;  // Currently just reset back to the beginning.
 }
 
 
 bool StoreBufferBlock::Contains(uword pointer) {
   for (int32_t i = 0; i < top_; i++) {
     if (pointers_[i] == pointer) {
       return true;
     }
   }
   return false;
 }
 
+
+StoreBuffer::~StoreBuffer() {
+  DedupSet* current = dedup_sets_;
+  dedup_sets_ = NULL;
+  while (current != NULL) {
+    DedupSet* next = current->next_;
+    delete current;
+    current = next;
+  }
+}
+
+
+void StoreBuffer::AddPointer(uword address) {
+  ASSERT(dedup_sets_ != NULL);
+  if (!dedup_sets_->set_->Add(address)) {
+    // TODO(iposva): Limit growth of deduplication sets until the rest of the
+    // mechanism is hooked up.
+    delete dedup_sets_;
+    dedup_sets_ = NULL;
+
+    DedupSet* fresh_element = new DedupSet();
+    fresh_element->next_ = dedup_sets_;
+    dedup_sets_ = fresh_element;
+  }
+}
+
 }  // namespace dart