Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 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 |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef V8_ZONE_CONTAINERS_H_ |
| 6 | #define V8_ZONE_CONTAINERS_H_ |
| 7 | |
| 8 | #include <deque> |
| 9 | #include <queue> |
| 10 | #include <vector> |
| 11 | |
| 12 | #include "src/zone-allocator.h" |
| 13 | |
| 14 | namespace v8 { |
| 15 | namespace internal { |
| 16 | |
| 17 | // A wrapper subclass for std::vector to make it easy to construct one |
| 18 | // that uses a zone allocator. |
| 19 | template <typename T> |
| 20 | class ZoneVector : public std::vector<T, zone_allocator<T> > { |
| 21 | public: |
| 22 | // Constructs an empty vector. |
| 23 | explicit ZoneVector(Zone* zone) |
| 24 | : std::vector<T, zone_allocator<T> >(zone_allocator<T>(zone)) {} |
| 25 | |
| 26 | // Constructs a new vector and fills it with {size} elements, each |
| 27 | // having the value {def}. |
| 28 | ZoneVector(int size, T def, Zone* zone) |
| 29 | : std::vector<T, zone_allocator<T> >(size, def, zone_allocator<T>(zone)) { |
| 30 | } |
| 31 | }; |
| 32 | |
| 33 | // A wrapper subclass std::deque to make it easy to construct one |
| 34 | // that uses a zone allocator. |
| 35 | template <typename T> |
| 36 | class ZoneDeque : public std::deque<T, zone_allocator<T> > { |
| 37 | public: |
| 38 | explicit ZoneDeque(Zone* zone) |
| 39 | : std::deque<T, zone_allocator<T> >(zone_allocator<T>(zone)) {} |
| 40 | }; |
| 41 | |
| 42 | // A wrapper subclass for std::queue to make it easy to construct one |
| 43 | // that uses a zone allocator. |
| 44 | template <typename T> |
| 45 | class ZoneQueue : public std::queue<T, std::deque<T, zone_allocator<T> > > { |
| 46 | public: |
| 47 | // Constructs an empty queue. |
| 48 | explicit ZoneQueue(Zone* zone) |
| 49 | : std::queue<T, std::deque<T, zone_allocator<T> > >( |
| 50 | std::deque<T, zone_allocator<T> >(zone_allocator<T>(zone))) {} |
| 51 | }; |
| 52 | |
| 53 | // Typedefs to shorten commonly used vectors. |
| 54 | typedef ZoneVector<bool> BoolVector; |
| 55 | typedef ZoneVector<int> IntVector; |
| 56 | } } // namespace v8::internal |
| 57 | |
| 58 | #endif // V8_ZONE_CONTAINERS_H_ |