mirror of
https://github.com/matrix-construct/construct
synced 2024-11-15 22:41:12 +01:00
78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#define HAVE_IRCD_JS_FUNCTION_NATIVE
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namespace ircd {
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namespace js {
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struct function::native
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:root<JSFunction *>
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{
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using closure = std::function<value (object::handle, value::handle, const args &)>;
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const char *_name;
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closure lambda;
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protected:
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virtual value on_call(object::handle callee, value::handle that, const args &);
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virtual value on_new(object::handle callee, const args &);
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private:
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static function::native &from(JSObject *const &);
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static bool handle_call(JSContext *, unsigned, JS::Value *) noexcept;
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public:
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uint16_t arity() const;
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string display_name() const;
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string name() const;
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value operator()(const object::handle &, const vector<value>::handle &) const;
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template<class... args> value operator()(const object::handle &, args&&...) const;
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native(const char *const &name = "<native>",
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const uint &flags = 0,
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const uint &arity = 0,
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const closure & = {});
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native(native &&) = delete;
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native(const native &) = delete;
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virtual ~native() noexcept;
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};
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template<class... args>
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value
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function::native::operator()(const object::handle &that,
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args&&... a)
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const
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{
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const vector<value> argv
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{
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std::forward<args>(a)...
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};
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const vector<value>::handle handle(argv);
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return operator()(that, handle);
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}
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} // namespace js
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} // namespace ircd
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