mirror of
https://github.com/matrix-construct/construct
synced 2024-06-25 21:38:18 +02:00
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 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. The
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// full license for this software is available in the LICENSE file.
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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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