mirror of
https://github.com/matrix-construct/construct
synced 2024-11-30 02:32:43 +01:00
118 lines
3.9 KiB
C++
118 lines
3.9 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_H
|
|
|
|
namespace ircd {
|
|
namespace js {
|
|
|
|
struct compartment
|
|
{
|
|
using closure_our = std::function<void (compartment &)>;
|
|
using closure = std::function<void (JSCompartment *)>;
|
|
|
|
private:
|
|
static void handle_iterate(JSContext *, void *, JSCompartment *) noexcept;
|
|
|
|
context *c;
|
|
JSCompartment *prev;
|
|
JSCompartment *ours;
|
|
compartment *cprev;
|
|
|
|
public:
|
|
explicit operator const context &() const { return *c; }
|
|
operator const JSCompartment *() const { return ours; }
|
|
operator const JSCompartment &() const { return *ours; }
|
|
|
|
explicit operator context &() { return *c; }
|
|
operator JSCompartment *() { return ours; }
|
|
operator JSCompartment &() { return *ours; }
|
|
|
|
compartment(JSObject *const &, context &, const JSVersion & = JSVERSION_LATEST);
|
|
compartment(JSObject *const &, const JSVersion & = JSVERSION_LATEST);
|
|
compartment(context &, const JSVersion & = JSVERSION_LATEST);
|
|
compartment(const JSVersion & = JSVERSION_LATEST);
|
|
compartment(compartment &&) noexcept;
|
|
compartment(const compartment &) = delete;
|
|
~compartment() noexcept;
|
|
|
|
friend void for_each_compartment_our(const closure_our &);
|
|
friend void for_each_compartment(const closure &);
|
|
|
|
static compartment &get(context &c);
|
|
static compartment &get();
|
|
};
|
|
|
|
// Get our structure from JSCompartment. Returns null when not ours.
|
|
const compartment *our(const JSCompartment *const &);
|
|
compartment *our(JSCompartment *const &);
|
|
|
|
// Compartment iterations
|
|
void for_each_compartment_our(const compartment::closure_our &); // iterate our compartments only
|
|
void for_each_compartment(const compartment::closure &); // iterate all compartments
|
|
|
|
// Get the compartmentalized `this` object.
|
|
JSObject *current_global(compartment &);
|
|
|
|
|
|
inline compartment &
|
|
compartment::get()
|
|
{
|
|
assert(cx);
|
|
return get(*cx);
|
|
}
|
|
|
|
inline compartment &
|
|
compartment::get(context &c)
|
|
{
|
|
const auto cp(current_compartment(c));
|
|
if(unlikely(!cp))
|
|
throw error("No current compartment on context(%p)", (const void *)&c);
|
|
|
|
const auto ret(our(cp));
|
|
if(unlikely(!ret))
|
|
throw error("Current compartment on context(%p) not ours", (const void *)&c);
|
|
|
|
return *ret;
|
|
}
|
|
|
|
inline JSObject *
|
|
current_global(compartment &c)
|
|
{
|
|
return JS_GetGlobalForCompartmentOrNull(static_cast<context &>(c), c);
|
|
}
|
|
|
|
inline compartment *
|
|
our(JSCompartment *const &cp)
|
|
{
|
|
return static_cast<compartment *>(JS_GetCompartmentPrivate(cp));
|
|
}
|
|
|
|
inline
|
|
const compartment *
|
|
our(const JSCompartment *const &cp)
|
|
{
|
|
return static_cast<const compartment *>(JS_GetCompartmentPrivate(const_cast<JSCompartment *>(cp)));
|
|
}
|
|
|
|
} // namespace js
|
|
} // namespace ircd
|