mirror of
https://github.com/matrix-construct/construct
synced 2024-11-25 16:22:35 +01:00
137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 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. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_JS_SCRIPT_H
|
|
|
|
namespace ircd {
|
|
namespace js {
|
|
|
|
ctx::future<void *> compile_async(const JS::ReadOnlyCompileOptions &, const std::u16string &, const bool &module = false);
|
|
string decompile(const JS::Handle<JSScript *> &, const char *const &name, const bool &pretty = false);
|
|
size_t bytecodes(const JS::Handle<JSScript *> &, uint8_t *const &buf, const size_t &max);
|
|
bool compilable(const char *const &str, const size_t &len, const object &stack = {});
|
|
bool compilable(const std::string &str, const object &stack = {});
|
|
|
|
struct script
|
|
:root<JSScript *>
|
|
{
|
|
IRCD_OVERLOAD(yielding)
|
|
|
|
value operator()(JS::AutoObjectVector &environment) const;
|
|
value operator()(const object &environment) const;
|
|
value operator()() const;
|
|
|
|
using root<JSScript *>::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(const uint8_t *const &bytecode, const size_t &size);
|
|
script(JSScript *const &);
|
|
script(JSScript &);
|
|
};
|
|
|
|
inline
|
|
script::script(JSScript &val)
|
|
:script::root::type{&val}
|
|
{
|
|
}
|
|
|
|
inline
|
|
script::script(JSScript *const &val)
|
|
:script::root::type{val}
|
|
{
|
|
if(unlikely(!this->get()))
|
|
throw internal_error("NULL script");
|
|
}
|
|
|
|
inline
|
|
script::script(const uint8_t *const &bytecode,
|
|
const size_t &size)
|
|
:script::root::type
|
|
{
|
|
//JS_DecodeScript(*cx, bytecode, size)
|
|
}
|
|
{
|
|
if(unlikely(!this->get()))
|
|
throw jserror(jserror::pending);
|
|
}
|
|
|
|
inline
|
|
script::script(const JS::ReadOnlyCompileOptions &opts,
|
|
const std::string &src)
|
|
:script::root::type{}
|
|
{
|
|
if(!JS::Compile(*cx, opts, src.data(), src.size(), &(*this)))
|
|
throw jserror(jserror::pending);
|
|
}
|
|
|
|
inline
|
|
script::script(const JS::ReadOnlyCompileOptions &opts,
|
|
const std::u16string &src)
|
|
:script::root::type{}
|
|
{
|
|
if(!JS::Compile(*cx, opts, src.data(), src.size(), &(*this)))
|
|
throw jserror(jserror::pending);
|
|
}
|
|
|
|
// 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, but this ircd context will block until the script is
|
|
// compiled at which point this constructor will complete.
|
|
inline
|
|
script::script(yielding_t,
|
|
const JS::ReadOnlyCompileOptions &opts,
|
|
const std::u16string &src)
|
|
:script::root::type{[this, &opts, &src]
|
|
{
|
|
auto future(compile_async(opts, src));
|
|
void *const token(future.get());
|
|
return token? JS::FinishOffThreadScript(*cx, token):
|
|
script(opts, src).get();
|
|
}()}
|
|
{
|
|
if(unlikely(!this->get()))
|
|
throw jserror(jserror::pending);
|
|
}
|
|
|
|
inline value
|
|
script::operator()()
|
|
const
|
|
{
|
|
value ret;
|
|
if(!JS_ExecuteScript(*cx, *this, &ret))
|
|
throw jserror(jserror::pending);
|
|
|
|
return ret;
|
|
}
|
|
|
|
inline value
|
|
script::operator()(const object &environment)
|
|
const
|
|
{
|
|
JS::AutoObjectVector env(*cx);
|
|
env.append(object());
|
|
return operator()(env);
|
|
}
|
|
|
|
inline value
|
|
script::operator()(JS::AutoObjectVector &environment)
|
|
const
|
|
{
|
|
value ret;
|
|
if(!JS_ExecuteScript(*cx, environment, *this, &ret))
|
|
throw jserror(jserror::pending);
|
|
|
|
return ret;
|
|
}
|
|
|
|
} // namespace js
|
|
} // namespace ircd
|