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construct/include/ircd/js/object.h
Jason Volk 6b5bab0871 ircd::js: Convert all JS type wrappers into templates and typedef on requsted GC.
Templates are now in the namespace basic:: i.e `basic::value<>`
Typedefs are in ircd::js:: matching the original non-template types.

Ex. stack-duration type in template form is: `basic::value<lifetime::stack>`
Ex. stack-duration type in typedef form is `value`
Ex. heap-duration type in template form is: `basic::value<lifetime::heap>`
Ex. heap-duration type in typedef form is: `heap_value`
2016-11-13 16:32:39 -08:00

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3.5 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_OBJECT_H
namespace ircd {
namespace js {
namespace basic {
template<lifetime L>
struct object
:root<JSObject *, L>
{
using handle = typename root<JSObject *, L>::handle;
using handle_mutable = typename root<JSObject *, L>::handle_mutable;
operator JS::Value() const;
// new object
object(const JSClass *const &, const handle &ctor, const JS::HandleValueArray &args);
object(const JSClass *const &, const JS::CallArgs &args);
object(const JSClass *const &, const object &proto);
object(const JSClass *const &);
template<class T, lifetime LL> object(const root<T, LL> &);
using root<JSObject *, L>::root;
object(const value<L> &);
object(JSObject *const &);
object(JSObject &);
object();
};
} // namespace basic
using object = basic::object<lifetime::stack>;
using heap_object = basic::object<lifetime::heap>;
//
// Implementation
//
namespace basic {
template<lifetime L>
object<L>::object()
:object<L>::root::type
{
JS_NewPlainObject(*cx)
}
{
}
template<lifetime L>
object<L>::object(JSObject &obj)
:object<L>::root::type{&obj}
{
}
template<lifetime L>
object<L>::object(JSObject *const &obj)
:object<L>::root::type{obj}
{
if(unlikely(!this->get()))
throw internal_error("NULL object");
}
template<lifetime L>
object<L>::object(const value<L> &val)
:object<L>::root::type{}
{
if(!JS_ValueToObject(*cx, val, &(*this)))
throw type_error("Value is not an Object");
}
template<lifetime L>
template<class T,
lifetime LL>
object<L>::object(const root<T, LL> &o)
:object{o.get()}
{
}
template<lifetime L>
object<L>::object(const JSClass *const &clasp)
:object<L>::root::type
{
JS_NewObject(*cx, clasp)
}
{
}
template<lifetime L>
object<L>::object(const JSClass *const &clasp,
const object &proto)
:object<L>::root::type
{
JS_NewObjectWithGivenProto(*cx, clasp, proto)
}
{
}
template<lifetime L>
object<L>::object(const JSClass *const &clasp,
const JS::CallArgs &args)
:object<L>::root::type
{
JS_NewObjectForConstructor(*cx, clasp, args)
}
{
}
template<lifetime L>
object<L>::object(const JSClass *const &clasp,
const object::handle &ctor,
const JS::HandleValueArray &args)
:object<L>::root::type
{
JS_New(*cx, ctor, args)
}
{
}
template<lifetime L>
object<L>::operator JS::Value()
const
{
return this->get()? JS::ObjectValue(*this->get()) : JS::NullValue();
}
} // namespace basic
} // namespace js
} // namespace ircd