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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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83 T* a = NULL; | 83 T* a = NULL; |
84 S* b = NULL; | 84 S* b = NULL; |
85 a = b; // Fake assignment to enforce type checks. | 85 a = b; // Fake assignment to enforce type checks. |
86 USE(a); | 86 USE(a); |
87 #endif | 87 #endif |
88 raw_address_ = uniq.raw_address_; | 88 raw_address_ = uniq.raw_address_; |
89 handle_ = uniq.handle_; | 89 handle_ = uniq.handle_; |
90 } | 90 } |
91 | 91 |
92 template <typename U> | 92 template <typename U> |
93 bool operator==(const Unique<U>& other) const { | 93 inline bool operator==(const Unique<U>& other) const { |
94 ASSERT(IsInitialized() && other.IsInitialized()); | 94 ASSERT(IsInitialized() && other.IsInitialized()); |
95 return raw_address_ == other.raw_address_; | 95 return raw_address_ == other.raw_address_; |
96 } | 96 } |
97 | 97 |
98 template <typename U> | 98 template <typename U> |
99 bool operator!=(const Unique<U>& other) const { | 99 inline bool operator!=(const Unique<U>& other) const { |
100 ASSERT(IsInitialized() && other.IsInitialized()); | 100 ASSERT(IsInitialized() && other.IsInitialized()); |
101 return raw_address_ != other.raw_address_; | 101 return raw_address_ != other.raw_address_; |
102 } | 102 } |
103 | 103 |
104 intptr_t Hashcode() const { | 104 inline intptr_t Hashcode() const { |
105 ASSERT(IsInitialized()); | 105 ASSERT(IsInitialized()); |
106 return reinterpret_cast<intptr_t>(raw_address_); | 106 return reinterpret_cast<intptr_t>(raw_address_); |
107 } | 107 } |
108 | 108 |
109 bool IsNull() const { | 109 inline bool IsNull() const { |
110 ASSERT(IsInitialized()); | 110 ASSERT(IsInitialized()); |
111 return raw_address_ == NULL; | 111 return raw_address_ == NULL; |
112 } | 112 } |
113 | 113 |
114 // Extract the handle from this Unique in order to dereference it. | 114 // Extract the handle from this Unique in order to dereference it. |
115 // WARNING: Only do this if you have access to the heap. | 115 // WARNING: Only do this if you have access to the heap. |
116 Handle<T> handle() const { | 116 inline Handle<T> handle() const { |
117 return handle_; | 117 return handle_; |
118 } | 118 } |
119 | 119 |
120 bool IsInitialized() const { | 120 inline bool IsInitialized() const { |
121 return raw_address_ != NULL || handle_.is_null(); | 121 return raw_address_ != NULL || handle_.is_null(); |
122 } | 122 } |
123 | 123 |
124 // TODO(titzer): this is a hack to migrate to Unique<T> incrementally. | 124 // TODO(titzer): this is a hack to migrate to Unique<T> incrementally. |
125 static Unique<T> CreateUninitialized(Handle<T> handle) { | 125 static Unique<T> CreateUninitialized(Handle<T> handle) { |
126 return Unique<T>(static_cast<Address>(NULL), handle); | 126 return Unique<T>(static_cast<Address>(NULL), handle); |
127 } | 127 } |
128 | 128 |
129 friend class UniqueSet<T>; // Uses internal details for speed. | 129 friend class UniqueSet<T>; // Uses internal details for speed. |
130 template <class U> | 130 template <class U> |
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296 capacity_ = new_capacity; | 296 capacity_ = new_capacity; |
297 array_ = new_array; | 297 array_ = new_array; |
298 } | 298 } |
299 } | 299 } |
300 }; | 300 }; |
301 | 301 |
302 | 302 |
303 } } // namespace v8::internal | 303 } } // namespace v8::internal |
304 | 304 |
305 #endif // V8_HYDROGEN_UNIQUE_H_ | 305 #endif // V8_HYDROGEN_UNIQUE_H_ |
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