| // 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) { |
| if (lowering_->source_positions_ != NULL) { |
| SourcePositionTable::Scope pos(lowering_->source_positions_, node); |
| lowering_->Lower(node); |
| } else { |
| 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 |