| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_ZONE_CONTAINERS_H_ |
| #define V8_ZONE_CONTAINERS_H_ |
| |
| #include <deque> |
| #include <queue> |
| #include <vector> |
| |
| #include "src/zone-allocator.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // A wrapper subclass for std::vector to make it easy to construct one |
| // that uses a zone allocator. |
| template <typename T> |
| class ZoneVector : public std::vector<T, zone_allocator<T> > { |
| public: |
| // Constructs an empty vector. |
| explicit ZoneVector(Zone* zone) |
| : std::vector<T, zone_allocator<T> >(zone_allocator<T>(zone)) {} |
| |
| // Constructs a new vector and fills it with {size} elements, each |
| // constructed via the default constructor. |
| ZoneVector(int size, Zone* zone) |
| : std::vector<T, zone_allocator<T> >(size, T(), zone_allocator<T>(zone)) { |
| } |
| |
| // Constructs a new vector and fills it with {size} elements, each |
| // having the value {def}. |
| ZoneVector(int size, T def, Zone* zone) |
| : std::vector<T, zone_allocator<T> >(size, def, zone_allocator<T>(zone)) { |
| } |
| }; |
| |
| // A wrapper subclass std::deque to make it easy to construct one |
| // that uses a zone allocator. |
| template <typename T> |
| class ZoneDeque : public std::deque<T, zone_allocator<T> > { |
| public: |
| explicit ZoneDeque(Zone* zone) |
| : std::deque<T, zone_allocator<T> >(zone_allocator<T>(zone)) {} |
| }; |
| |
| // A wrapper subclass for std::queue to make it easy to construct one |
| // that uses a zone allocator. |
| template <typename T> |
| class ZoneQueue : public std::queue<T, std::deque<T, zone_allocator<T> > > { |
| public: |
| // Constructs an empty queue. |
| explicit ZoneQueue(Zone* zone) |
| : std::queue<T, std::deque<T, zone_allocator<T> > >( |
| std::deque<T, zone_allocator<T> >(zone_allocator<T>(zone))) {} |
| }; |
| |
| // Typedefs to shorten commonly used vectors. |
| typedef ZoneVector<bool> BoolVector; |
| typedef ZoneVector<int> IntVector; |
| } } // namespace v8::internal |
| |
| #endif // V8_ZONE_CONTAINERS_H_ |