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test/cctest/compiler/graph-builder-tester.h

Index: test/cctest/compiler/graph-builder-tester.h
diff --git a/test/cctest/compiler/graph-builder-tester.h b/test/cctest/compiler/graph-builder-tester.h
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+// 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_CCTEST_COMPILER_GRAPH_BUILDER_TESTER_H_
+#define V8_CCTEST_COMPILER_GRAPH_BUILDER_TESTER_H_
+
+#include "src/v8.h"
+#include "test/cctest/cctest.h"
+
+#include "src/compiler/common-operator.h"
+#include "src/compiler/graph-builder.h"
+#include "src/compiler/machine-node-factory.h"
+#include "src/compiler/machine-operator.h"
+#include "src/compiler/simplified-node-factory.h"
+#include "src/compiler/simplified-operator.h"
+#include "test/cctest/compiler/call-tester.h"
+#include "test/cctest/compiler/simplified-graph-builder.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+// A class that just passes node creation on to the Graph.
+class DirectGraphBuilder : public GraphBuilder {
+ public:
+  explicit DirectGraphBuilder(Graph* graph) : GraphBuilder(graph) {}
+  virtual ~DirectGraphBuilder() {}
+
+ protected:
+  virtual Node* MakeNode(Operator* op, int value_input_count,
+                         Node** value_inputs) {
+    return graph()->NewNode(op, value_input_count, value_inputs);
+  }
+};
+
+
+class MachineCallHelper : public CallHelper {
+ public:
+  MachineCallHelper(Zone* zone, MachineCallDescriptorBuilder* builder);
+
+  Node* Parameter(int offset);
+
+ protected:
+  virtual byte* Generate();
+  virtual void VerifyParameters(int parameter_count,
+                                MachineRepresentation* parameters);
+  void InitParameters(GraphBuilder* builder, CommonOperatorBuilder* common);
+
+ private:
+  int parameter_count() const {
+    return call_descriptor_builder_->parameter_count();
+  }
+  MachineCallDescriptorBuilder* call_descriptor_builder_;
+  Node** parameters_;
+  // TODO(dcarney): shouldn't need graph stored.
+  Graph* graph_;
+  MaybeHandle<Code> code_;
+};
+
+
+class GraphAndBuilders {
+ public:
+  explicit GraphAndBuilders(Zone* zone)
+      : main_graph_(new (zone) Graph(zone)),
+        main_common_(zone),
+        main_machine_(zone),
+        main_simplified_(zone) {}
+
+ protected:
+  // Prefixed with main_ to avoid naiming conflicts.
+  Graph* const main_graph_;
+  CommonOperatorBuilder main_common_;
+  MachineOperatorBuilder main_machine_;
+  SimplifiedOperatorBuilder main_simplified_;
+};
+
+
+template <typename ReturnType>
+class GraphBuilderTester
+    : public HandleAndZoneScope,
+      private GraphAndBuilders,
+      public MachineCallHelper,
+      public SimplifiedGraphBuilder,
+      public CallHelper2<ReturnType, GraphBuilderTester<ReturnType> > {
+ public:
+  explicit GraphBuilderTester(MachineRepresentation p0,
+                              MachineRepresentation p1,
+                              MachineRepresentation p2,
+                              MachineRepresentation p3,
+                              MachineRepresentation p4)
+      : GraphAndBuilders(main_zone()),
+        MachineCallHelper(
+            main_zone(),
+            ToCallDescriptorBuilder(
+                main_zone(), ReturnValueTraits<ReturnType>::Representation(),
+                p0, p1, p2, p3, p4)),
+        SimplifiedGraphBuilder(main_graph_, &main_common_, &main_machine_,
+                               &main_simplified_) {
+    Begin();
+    InitParameters(this, &main_common_);
+  }
+  virtual ~GraphBuilderTester() {}
+
+  Factory* factory() const { return isolate()->factory(); }
+};
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_CCTEST_COMPILER_GRAPH_BUILDER_TESTER_H_