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// 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_
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