[WIP] TrapHandler 2014/11/27.

src/compiler/bounds-check-lowering.h

+// Copyright 2014 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_BOUNDS_CHECK_LOWERING_H_
+#define V8_COMPILER_BOUNDS_CHECK_LOWERING_H_
+
+#include "src/compiler/graph-reducer.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+// Forward declarations.
+class CommonOperatorBuilder;
+class JSGraph;
+class MachineOperatorBuilder;
+
+class BoundsCheckLowering FINAL : public Reducer {
+ public:
+  explicit BoundsCheckLowering(JSGraph* jsgraph) : jsgraph_(jsgraph) {}
+  ~BoundsCheckLowering();
+
+  Reduction Reduce(Node* node) OVERRIDE;
+
+ private:
+  Graph* graph() const;
+  JSGraph* jsgraph() const { return jsgraph_; }
+  CommonOperatorBuilder* common() const;
+  MachineOperatorBuilder* machine() const;
+
+  JSGraph* jsgraph_;
+};
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_COMPILER_BOUNDS_CHECK_LOWERING_H_