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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/compiler-source-position-table.h" |
6 #include "src/compiler/graph.h" | 6 #include "src/compiler/graph.h" |
7 #include "src/compiler/node-aux-data.h" | 7 #include "src/compiler/node-aux-data.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 final : public GraphDecorator { | 13 class SourcePositionTable::Decorator final : 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 void Decorate(Node* node) final { | 18 void Decorate(Node* node) final { |
19 source_positions_->SetSourcePosition(node, | 19 source_positions_->SetSourcePosition(node, |
20 source_positions_->current_position_); | 20 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 | |
28 SourcePositionTable::SourcePositionTable(Graph* graph) | 27 SourcePositionTable::SourcePositionTable(Graph* graph) |
29 : graph_(graph), | 28 : graph_(graph), |
30 decorator_(nullptr), | 29 decorator_(nullptr), |
31 current_position_(SourcePosition::Unknown()), | 30 current_position_(SourcePosition::Unknown()), |
32 table_(graph->zone()) {} | 31 table_(graph->zone()) {} |
33 | 32 |
34 | |
35 void SourcePositionTable::AddDecorator() { | 33 void SourcePositionTable::AddDecorator() { |
36 DCHECK_NULL(decorator_); | 34 DCHECK_NULL(decorator_); |
37 decorator_ = new (graph_->zone()) Decorator(this); | 35 decorator_ = new (graph_->zone()) Decorator(this); |
38 graph_->AddDecorator(decorator_); | 36 graph_->AddDecorator(decorator_); |
39 } | 37 } |
40 | 38 |
41 | |
42 void SourcePositionTable::RemoveDecorator() { | 39 void SourcePositionTable::RemoveDecorator() { |
43 DCHECK_NOT_NULL(decorator_); | 40 DCHECK_NOT_NULL(decorator_); |
44 graph_->RemoveDecorator(decorator_); | 41 graph_->RemoveDecorator(decorator_); |
45 decorator_ = nullptr; | 42 decorator_ = nullptr; |
46 } | 43 } |
47 | 44 |
48 | |
49 SourcePosition SourcePositionTable::GetSourcePosition(Node* node) const { | 45 SourcePosition SourcePositionTable::GetSourcePosition(Node* node) const { |
50 return table_.Get(node); | 46 return table_.Get(node); |
51 } | 47 } |
52 | 48 |
53 void SourcePositionTable::SetSourcePosition(Node* node, | 49 void SourcePositionTable::SetSourcePosition(Node* node, |
54 SourcePosition position) { | 50 SourcePosition position) { |
55 table_.Set(node, position); | 51 table_.Set(node, position); |
56 } | 52 } |
57 | 53 |
58 void SourcePositionTable::Print(std::ostream& os) const { | 54 void SourcePositionTable::Print(std::ostream& os) const { |
59 os << "{"; | 55 os << "{"; |
60 bool needs_comma = false; | 56 bool needs_comma = false; |
61 for (auto i : table_) { | 57 for (auto i : table_) { |
62 SourcePosition pos = i.second; | 58 SourcePosition pos = i.second; |
63 if (pos.IsKnown()) { | 59 if (pos.IsKnown()) { |
64 if (needs_comma) { | 60 if (needs_comma) { |
65 os << ","; | 61 os << ","; |
66 } | 62 } |
67 os << "\"" << i.first << "\"" | 63 os << "\"" << i.first << "\"" |
68 << ":" << pos.raw(); | 64 << ":" << pos; |
69 needs_comma = true; | 65 needs_comma = true; |
70 } | 66 } |
71 } | 67 } |
72 os << "}"; | 68 os << "}"; |
73 } | 69 } |
74 | 70 |
75 } // namespace compiler | 71 } // namespace compiler |
76 } // namespace internal | 72 } // namespace internal |
77 } // namespace v8 | 73 } // namespace v8 |
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