Index: src/compiler/lowering-builder.cc |
diff --git a/src/compiler/lowering-builder.cc b/src/compiler/lowering-builder.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f3644cfef24a8a4bc31181f82285be36e5ba9d43 |
--- /dev/null |
+++ b/src/compiler/lowering-builder.cc |
@@ -0,0 +1,41 @@ |
+// 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. |
+ |
+#include "src/compiler/graph-inl.h" |
+#include "src/compiler/lowering-builder.h" |
+#include "src/compiler/node-aux-data-inl.h" |
+#include "src/compiler/node-properties-inl.h" |
+ |
+namespace v8 { |
+namespace internal { |
+namespace compiler { |
+ |
+class LoweringBuilder::NodeVisitor : public NullNodeVisitor { |
+ public: |
+ explicit NodeVisitor(LoweringBuilder* lowering) : lowering_(lowering) {} |
+ |
+ GenericGraphVisit::Control Post(Node* node) { |
+ SourcePositionTable::Scope pos(lowering_->source_positions_, node); |
+ lowering_->Lower(node); |
+ return GenericGraphVisit::CONTINUE; |
+ } |
+ |
+ private: |
+ LoweringBuilder* lowering_; |
+}; |
+ |
+ |
+LoweringBuilder::LoweringBuilder(Graph* graph, |
+ SourcePositionTable* source_positions) |
+ : graph_(graph), source_positions_(source_positions) {} |
+ |
+ |
+void LoweringBuilder::LowerAllNodes() { |
+ NodeVisitor visitor(this); |
+ graph()->VisitNodeInputsFromEnd(&visitor); |
+} |
+ |
+} // namespace compiler |
+} // namespace internal |
+} // namespace v8 |