mirror of
https://github.com/matrix-construct/construct
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53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
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/*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#define HAVE_IRCD_JS_PRIV_H
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///////////////////////////////////////////////////////////////////////////////
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//
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// To properly use the private slot: have your structure inherit from `priv_data` and construct
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// it with std::make_shared(). When garbage collection of the js object occurs, the private data
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// slot will be abstractly considered an `std::shared_ptr<priv_data>` and the reference count
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// will be decremented. Note: The js object must have been created with flag JSCLASS_HAS_PRIVATE
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//
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namespace ircd {
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namespace js {
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// ctor()/get()/set()/has()/del() have this overload to manipulate the private slot of an object.
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IRCD_OVERLOAD(priv)
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// Extend this class to store your data by the managed private slot of an object. Note: The js
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// object must have been created with flag JSCLASS_HAS_PRIVATE.
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struct priv_data
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:std::enable_shared_from_this<priv_data>
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{
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// The `delete` of the managed data will be on the type `priv_data`.
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// This vtable is anchored in ircd/js.cc.
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virtual ~priv_data() noexcept;
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};
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using priv_ptr = std::shared_ptr<priv_data>;
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} // namespace js
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} // namespace ircd
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