0
0
Fork 0
mirror of https://github.com/matrix-construct/construct synced 2024-12-29 17:04:03 +01:00
construct/include/ircd/js/compartment_guard.h
2016-10-25 01:55:50 -07:00

54 lines
1.6 KiB
C++

/*
* Copyright (C) 2016 Charybdis Development Team
* Copyright (C) 2016 Jason Volk <jason@zemos.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#define HAVE_IRCD_JS_COMPARTMENT_GUARD_H
namespace ircd {
namespace js {
class compartment_guard
{
JSContext *cx;
JSCompartment *cp;
public:
compartment_guard(JSContext &, JSObject &);
~compartment_guard() noexcept;
};
inline
compartment_guard::compartment_guard(JSContext &cx,
JSObject &obj)
:cx{&cx}
,cp{JS_EnterCompartment(&cx, &obj)}
{
}
inline
compartment_guard::~compartment_guard()
noexcept
{
JS_LeaveCompartment(cx, cp);
}
} // namespace js
} // namespace ircd