mirror of
https://github.com/matrix-construct/construct
synced 2024-07-07 19:18:35 +02:00
138 lines
3.8 KiB
C++
138 lines
3.8 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_SCRIPT_H
|
|
|
|
namespace ircd {
|
|
namespace js {
|
|
|
|
string decompile(const JS::Handle<JSScript *> &, const char *const &name, const bool &pretty = false);
|
|
ctx::future<void *> compile_async(const JS::ReadOnlyCompileOptions &, const std::u16string &);
|
|
|
|
namespace basic {
|
|
|
|
template<lifetime L>
|
|
struct script
|
|
:root<JSScript *, L>
|
|
{
|
|
IRCD_OVERLOAD(yielding)
|
|
|
|
value<lifetime::stack> operator()(JS::AutoObjectVector &stack) const;
|
|
value<lifetime::stack> operator()() const;
|
|
|
|
using root<JSScript *, L>::root;
|
|
script(yielding_t, const JS::ReadOnlyCompileOptions &opts, const std::u16string &src);
|
|
script(const JS::ReadOnlyCompileOptions &opts, const std::u16string &src);
|
|
script(const JS::ReadOnlyCompileOptions &opts, const std::string &src);
|
|
script(JSScript *const &);
|
|
script(JSScript &);
|
|
};
|
|
|
|
} // namespace basic
|
|
|
|
using script = basic::script<lifetime::stack>;
|
|
using heap_script = basic::script<lifetime::heap>;
|
|
|
|
//
|
|
// Implementation
|
|
//
|
|
namespace basic {
|
|
|
|
template<lifetime L>
|
|
script<L>::script(JSScript &val)
|
|
:script<L>::root::type{&val}
|
|
{
|
|
}
|
|
|
|
template<lifetime L>
|
|
script<L>::script(JSScript *const &val)
|
|
:script<L>::root::type{val}
|
|
{
|
|
if(unlikely(!this->get()))
|
|
throw internal_error("NULL script");
|
|
}
|
|
|
|
template<lifetime L>
|
|
script<L>::script(const JS::ReadOnlyCompileOptions &opts,
|
|
const std::string &src)
|
|
:script<L>::root::type{}
|
|
{
|
|
if(!JS::Compile(*cx, opts, src.data(), src.size(), &(*this)))
|
|
throw jserror(jserror::pending);
|
|
}
|
|
|
|
template<lifetime L>
|
|
script<L>::script(const JS::ReadOnlyCompileOptions &opts,
|
|
const std::u16string &src)
|
|
:script<L>::root::type{}
|
|
{
|
|
if(!JS::Compile(*cx, opts, src.data(), src.size(), &(*this)))
|
|
throw jserror(jserror::pending);
|
|
}
|
|
|
|
template<lifetime L>
|
|
script<L>::script(yielding_t,
|
|
const JS::ReadOnlyCompileOptions &opts,
|
|
const std::u16string &src)
|
|
:script<L>::root::type{[&opts, &src]
|
|
{
|
|
// This constructor compiles the script concurrently by yielding this ircd::ctx.
|
|
// The compilation occurs on another thread entirely, so other ircd contexts will
|
|
// still be able to run.
|
|
auto future(compile_async(opts, src));
|
|
void *const token(future.get());
|
|
return token? JS::FinishOffThreadScript(*cx, *rt, token):
|
|
script(opts, src).get();
|
|
}()}
|
|
{
|
|
if(unlikely(!this->get()))
|
|
throw jserror(jserror::pending);
|
|
}
|
|
|
|
template<lifetime L>
|
|
value<lifetime::stack>
|
|
script<L>::operator()()
|
|
const
|
|
{
|
|
value<lifetime::stack> ret;
|
|
if(!JS_ExecuteScript(*cx, *this, &ret))
|
|
throw jserror(jserror::pending);
|
|
|
|
return ret;
|
|
}
|
|
|
|
template<lifetime L>
|
|
value<lifetime::stack>
|
|
script<L>::operator()(JS::AutoObjectVector &stack)
|
|
const
|
|
{
|
|
value<lifetime::stack> ret;
|
|
if(!JS_ExecuteScript(*cx, stack, *this, &ret))
|
|
throw jserror(jserror::pending);
|
|
|
|
return ret;
|
|
}
|
|
|
|
} // namespace basic
|
|
} // namespace js
|
|
} // namespace ircd
|