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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 #ifndef V8_COMPILER_NODE_AUX_DATA_H_ | 5 #ifndef V8_COMPILER_NODE_AUX_DATA_H_ |
6 #define V8_COMPILER_NODE_AUX_DATA_H_ | 6 #define V8_COMPILER_NODE_AUX_DATA_H_ |
7 | 7 |
8 #include "src/compiler/node.h" | 8 #include "src/compiler/node.h" |
9 #include "src/zone/zone-containers.h" | 9 #include "src/zone/zone-containers.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 namespace compiler { | 13 namespace compiler { |
14 | 14 |
15 // Forward declarations. | 15 // Forward declarations. |
16 class Node; | 16 class Node; |
17 | 17 |
18 template <class T> | 18 template <class T, T def()> |
19 class NodeAuxData { | 19 class NodeAuxData { |
20 public: | 20 public: |
21 explicit NodeAuxData(Zone* zone) : aux_data_(zone) {} | 21 explicit NodeAuxData(Zone* zone) : aux_data_(zone) {} |
22 | 22 |
23 void Set(Node* node, T const& data) { | 23 void Set(Node* node, T const& data) { |
24 size_t const id = node->id(); | 24 size_t const id = node->id(); |
25 if (id >= aux_data_.size()) aux_data_.resize(id + 1); | 25 if (id >= aux_data_.size()) aux_data_.resize(id + 1, def()); |
26 aux_data_[id] = data; | 26 aux_data_[id] = data; |
27 } | 27 } |
28 | 28 |
29 T Get(Node* node) const { | 29 T Get(Node* node) const { |
30 size_t const id = node->id(); | 30 size_t const id = node->id(); |
31 return (id < aux_data_.size()) ? aux_data_[id] : T(); | 31 return (id < aux_data_.size()) ? aux_data_[id] : def(); |
32 } | 32 } |
33 | 33 |
34 class const_iterator; | 34 class const_iterator; |
35 friend class const_iterator; | 35 friend class const_iterator; |
36 | 36 |
37 const_iterator begin() const; | 37 const_iterator begin() const; |
38 const_iterator end() const; | 38 const_iterator end() const; |
39 | 39 |
40 private: | 40 private: |
41 ZoneVector<T> aux_data_; | 41 ZoneVector<T> aux_data_; |
42 }; | 42 }; |
43 | 43 |
44 | 44 template <class T, T def()> |
45 template <class T> | 45 class NodeAuxData<T, def>::const_iterator { |
46 class NodeAuxData<T>::const_iterator { | |
47 public: | 46 public: |
48 typedef std::forward_iterator_tag iterator_category; | 47 typedef std::forward_iterator_tag iterator_category; |
49 typedef int difference_type; | 48 typedef int difference_type; |
50 typedef std::pair<size_t, T> value_type; | 49 typedef std::pair<size_t, T> value_type; |
51 typedef value_type* pointer; | 50 typedef value_type* pointer; |
52 typedef value_type& reference; | 51 typedef value_type& reference; |
53 | 52 |
54 const_iterator(const ZoneVector<T>* data, size_t current) | 53 const_iterator(const ZoneVector<T>* data, size_t current) |
55 : data_(data), current_(current) {} | 54 : data_(data), current_(current) {} |
56 const_iterator(const const_iterator& other) | 55 const_iterator(const const_iterator& other) |
(...skipping 12 matching lines...) Expand all Loading... |
69 ++current_; | 68 ++current_; |
70 return *this; | 69 return *this; |
71 } | 70 } |
72 const_iterator operator++(int); | 71 const_iterator operator++(int); |
73 | 72 |
74 private: | 73 private: |
75 const ZoneVector<T>* data_; | 74 const ZoneVector<T>* data_; |
76 size_t current_; | 75 size_t current_; |
77 }; | 76 }; |
78 | 77 |
79 template <class T> | 78 template <class T, T def()> |
80 typename NodeAuxData<T>::const_iterator NodeAuxData<T>::begin() const { | 79 typename NodeAuxData<T, def>::const_iterator NodeAuxData<T, def>::begin() |
81 return typename NodeAuxData<T>::const_iterator(&aux_data_, 0); | 80 const { |
| 81 return typename NodeAuxData<T, def>::const_iterator(&aux_data_, 0); |
82 } | 82 } |
83 | 83 |
84 template <class T> | 84 template <class T, T def()> |
85 typename NodeAuxData<T>::const_iterator NodeAuxData<T>::end() const { | 85 typename NodeAuxData<T, def>::const_iterator NodeAuxData<T, def>::end() const { |
86 return typename NodeAuxData<T>::const_iterator(&aux_data_, aux_data_.size()); | 86 return typename NodeAuxData<T, def>::const_iterator(&aux_data_, |
| 87 aux_data_.size()); |
87 } | 88 } |
88 | 89 |
89 } // namespace compiler | 90 } // namespace compiler |
90 } // namespace internal | 91 } // namespace internal |
91 } // namespace v8 | 92 } // namespace v8 |
92 | 93 |
93 #endif // V8_COMPILER_NODE_AUX_DATA_H_ | 94 #endif // V8_COMPILER_NODE_AUX_DATA_H_ |
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