mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/* -*- 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 */
|