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src/compiler/generic-graph.h

Index: src/compiler/generic-graph.h
diff --git a/src/compiler/generic-graph.h b/src/compiler/generic-graph.h
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+++ b/src/compiler/generic-graph.h
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+// Copyright 2013 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_COMPILER_GENERIC_GRAPH_H_
+#define V8_COMPILER_GENERIC_GRAPH_H_
+
+#include "src/compiler/generic-node.h"
+
+namespace v8 {
+namespace internal {
+
+class Zone;
+
+namespace compiler {
+
+class GenericGraphBase : public ZoneObject {
+ public:
+  explicit GenericGraphBase(Zone* zone) : zone_(zone), next_node_id_(0) {}
+
+  Zone* zone() const { return zone_; }
+
+  NodeId NextNodeID() { return next_node_id_++; }
+  NodeId NodeCount() const { return next_node_id_; }
+
+ private:
+  Zone* zone_;
+  NodeId next_node_id_;
+};
+
+template <class V>
+class GenericGraph : public GenericGraphBase {
+ public:
+  explicit GenericGraph(Zone* zone)
+      : GenericGraphBase(zone), start_(NULL), end_(NULL) {}
+
+  V* start() { return start_; }
+  V* end() { return end_; }
+
+  void SetStart(V* start) { start_ = start; }
+  void SetEnd(V* end) { end_ = end; }
+
+ private:
+  V* start_;
+  V* end_;
+
+  DISALLOW_COPY_AND_ASSIGN(GenericGraph);
+};
+}
+}
+}  // namespace v8::internal::compiler
+
+#endif  // V8_COMPILER_GENERIC_GRAPH_H_