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50d9e51a7d
jsgc.* -> gc/GC.* jshashutil.h -> gc/HashUtil.h jsweakmap.* -> gc/WeakMap.* vm/WeakMapPtr.cpp -> gc/WeakMapPtr.cpp --HG-- rename : js/src/jsgcinlines.h => js/src/gc/GC-inl.h rename : js/src/jsgc.cpp => js/src/gc/GC.cpp rename : js/src/jsgc.h => js/src/gc/GC.h rename : js/src/jshashutil.h => js/src/gc/HashUtil.h rename : js/src/jsweakmap.cpp => js/src/gc/WeakMap.cpp rename : js/src/jsweakmap.h => js/src/gc/WeakMap.h rename : js/src/vm/WeakMapPtr.cpp => js/src/gc/WeakMapPtr.cpp extra : rebase_source : 8435ece63e11545a633ae0cdf6ed4a46cb017457 extra : amend_source : cfb63d098bf2fb27d63221a24457d8aaf8884137 extra : intermediate-source : 2d498c561ba67baf3ad09b6c29f4a8985997928c extra : source : c1df7b31137da2bbea5ae1169cc07dd0f4974376
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef js_WeakMapPtr_h
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#define js_WeakMapPtr_h
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#include "jspubtd.h"
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#include "js/TypeDecls.h"
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namespace JS {
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// A wrapper around the internal C++ representation of SpiderMonkey WeakMaps,
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// usable outside the engine.
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//
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// The supported template specializations are enumerated in gc/WeakMapPtr.cpp.
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// If you want to use this class for a different key/value combination, add it
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// to the list and the compiler will generate the relevant machinery.
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template <typename K, typename V>
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class JS_PUBLIC_API(WeakMapPtr)
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{
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public:
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WeakMapPtr() : ptr(nullptr) {}
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bool init(JSContext* cx);
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bool initialized() { return ptr != nullptr; }
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void destroy();
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virtual ~WeakMapPtr() { MOZ_ASSERT(!initialized()); }
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void trace(JSTracer* tracer);
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V lookup(const K& key);
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bool put(JSContext* cx, const K& key, const V& value);
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V removeValue(const K& key);
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private:
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void* ptr;
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// WeakMapPtr is neither copyable nor assignable.
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WeakMapPtr(const WeakMapPtr& wmp) = delete;
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WeakMapPtr& operator=(const WeakMapPtr& wmp) = delete;
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};
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} /* namespace JS */
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#endif /* js_WeakMapPtr_h */
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