/usr/include/mozjs-52/js/WeakMapPtr.h is in libmozjs-52-dev 52.3.1-7fakesync1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef js_WeakMapPtr_h
#define js_WeakMapPtr_h
#include "jspubtd.h"
#include "js/TypeDecls.h"
namespace JS {
// A wrapper around the internal C++ representation of SpiderMonkey WeakMaps,
// usable outside the engine.
//
// The supported template specializations are enumerated in WeakMapPtr.cpp. If
// you want to use this class for a different key/value combination, add it to
// the list and the compiler will generate the relevant machinery.
template <typename K, typename V>
class JS_PUBLIC_API(WeakMapPtr)
{
public:
WeakMapPtr() : ptr(nullptr) {}
bool init(JSContext* cx);
bool initialized() { return ptr != nullptr; }
void destroy();
virtual ~WeakMapPtr() { MOZ_ASSERT(!initialized()); }
void trace(JSTracer* tracer);
V lookup(const K& key);
bool put(JSContext* cx, const K& key, const V& value);
private:
void* ptr;
// WeakMapPtr is neither copyable nor assignable.
WeakMapPtr(const WeakMapPtr& wmp) = delete;
WeakMapPtr& operator=(const WeakMapPtr& wmp) = delete;
};
} /* namespace JS */
#endif /* js_WeakMapPtr_h */
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