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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/compiler/source-position.h" | 5 #include "src/compiler/source-position.h" |
6 #include "src/compiler/graph.h" | 6 #include "src/compiler/graph.h" |
7 #include "src/compiler/node-aux-data-inl.h" | 7 #include "src/compiler/node-aux-data-inl.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
11 namespace compiler { | 11 namespace compiler { |
12 | 12 |
13 class SourcePositionTable::Decorator : public GraphDecorator { | 13 class SourcePositionTable::Decorator : public GraphDecorator { |
14 public: | 14 public: |
15 explicit Decorator(SourcePositionTable* source_positions) | 15 explicit Decorator(SourcePositionTable* source_positions) |
16 : source_positions_(source_positions) {} | 16 : source_positions_(source_positions) {} |
17 | 17 |
18 virtual void Decorate(Node* node) { | 18 virtual void Decorate(Node* node) { |
19 ASSERT(!source_positions_->current_position_.IsInvalid()); | 19 DCHECK(!source_positions_->current_position_.IsInvalid()); |
20 source_positions_->table_.Set(node, source_positions_->current_position_); | 20 source_positions_->table_.Set(node, source_positions_->current_position_); |
21 } | 21 } |
22 | 22 |
23 private: | 23 private: |
24 SourcePositionTable* source_positions_; | 24 SourcePositionTable* source_positions_; |
25 }; | 25 }; |
26 | 26 |
27 | 27 |
28 SourcePositionTable::SourcePositionTable(Graph* graph) | 28 SourcePositionTable::SourcePositionTable(Graph* graph) |
29 : graph_(graph), | 29 : graph_(graph), |
30 decorator_(NULL), | 30 decorator_(NULL), |
31 current_position_(SourcePosition::Invalid()), | 31 current_position_(SourcePosition::Invalid()), |
32 table_(graph) {} | 32 table_(graph) {} |
33 | 33 |
34 | 34 |
35 void SourcePositionTable::AddDecorator() { | 35 void SourcePositionTable::AddDecorator() { |
36 ASSERT(decorator_ == NULL); | 36 DCHECK(decorator_ == NULL); |
37 decorator_ = new (graph_->zone()) Decorator(this); | 37 decorator_ = new (graph_->zone()) Decorator(this); |
38 graph_->AddDecorator(decorator_); | 38 graph_->AddDecorator(decorator_); |
39 } | 39 } |
40 | 40 |
41 | 41 |
42 void SourcePositionTable::RemoveDecorator() { | 42 void SourcePositionTable::RemoveDecorator() { |
43 ASSERT(decorator_ != NULL); | 43 DCHECK(decorator_ != NULL); |
44 graph_->RemoveDecorator(decorator_); | 44 graph_->RemoveDecorator(decorator_); |
45 decorator_ = NULL; | 45 decorator_ = NULL; |
46 } | 46 } |
47 | 47 |
48 | 48 |
49 SourcePosition SourcePositionTable::GetSourcePosition(Node* node) { | 49 SourcePosition SourcePositionTable::GetSourcePosition(Node* node) { |
50 return table_.Get(node); | 50 return table_.Get(node); |
51 } | 51 } |
52 | 52 |
53 } // namespace compiler | 53 } // namespace compiler |
54 } // namespace internal | 54 } // namespace internal |
55 } // namespace v8 | 55 } // namespace v8 |
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