mirror of
https://github.com/matrix-construct/construct
synced 2024-12-29 00:44:17 +01:00
107 lines
4.4 KiB
C++
107 lines
4.4 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_TRAP_H
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namespace ircd {
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namespace js {
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struct trap
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{
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struct function;
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protected:
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const std::string parent;
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const std::string _name; // don't touch
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std::array<JSPropertySpec, 32> sps; // static property spec
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std::array<JSPropertySpec, 32> ps; // property spec
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std::array<JSFunctionSpec, 32> sfs; // static function spec
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std::array<JSFunctionSpec, 32> fs; // function spec
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std::unique_ptr<JSClass> _class;
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std::map<std::string, trap *> children;
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std::set<function *> memfun;
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trap *parent_prototype;
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trap *prototype;
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static trap &from(const JSObject &);
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static trap &from(const JS::HandleObject &);
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void debug(const char *fmt, ...) const AFP(2, 3);
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// Override these to define JS objects in C
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virtual value on_call(object::handle, value::handle, const args &);
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virtual value on_set(object::handle, id::handle, value::handle);
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virtual value on_get(object::handle, id::handle, value::handle);
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virtual void on_add(object::handle, id::handle, value::handle);
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virtual bool on_del(object::handle, id::handle);
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virtual bool on_has(object::handle, id::handle);
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virtual void on_enu(object::handle);
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virtual void on_new(object::handle, object &, const args &);
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virtual void on_trace(const JSObject *const &);
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virtual void on_gc(JSObject *const &);
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private:
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void add_this();
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void del_this();
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void host_exception(const char *fmt, ...) const AFP(2, 3);
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// Internal callback interface
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static void handle_trace(JSTracer *, JSObject *) noexcept;
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static bool handle_inst(JSContext *, JS::HandleObject, JS::MutableHandleValue, bool *yesno) noexcept;
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static bool handle_add(JSContext *, JS::HandleObject, JS::HandleId, JS::HandleValue) noexcept;
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static bool handle_set(JSContext *, JS::HandleObject, JS::HandleId, JS::MutableHandleValue, JS::ObjectOpResult &) noexcept;
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static bool handle_get(JSContext *, JS::HandleObject, JS::HandleId, JS::MutableHandleValue) noexcept;
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static bool handle_del(JSContext *, JS::HandleObject, JS::HandleId, JS::ObjectOpResult &) noexcept;
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static bool handle_has(JSContext *, JS::HandleObject, JS::HandleId, bool *resolved) noexcept;
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static bool handle_enu(JSContext *, JS::HandleObject) noexcept;
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static bool handle_call(JSContext *, unsigned argc, JS::Value *argv) noexcept;
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static bool handle_ctor(JSContext *, unsigned argc, JS::Value *argv) noexcept;
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static void handle_dtor(JSFreeOp *, JSObject *) noexcept;
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public:
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auto &name() const { return _name; }
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auto &jsclass() const { return *_class; }
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// Get child by name (NOT PATH)
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const trap &child(const std::string &name) const;
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trap &child(const std::string &name);
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// Path is absolute to root
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static trap &find(const string::handle &path);
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static trap &find(const std::string &path);
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operator const JSClass &() const { return jsclass(); }
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operator const JSClass *() const { return &jsclass(); }
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// Produces prototype. Call ctor(trap) for full construction
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object operator()();
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trap(const std::string &path, const uint &flags = 0, const uint &prop_flags = 0);
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trap(trap &&) = delete;
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trap(const trap &) = delete;
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virtual ~trap() noexcept;
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};
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extern __thread trap *tree;
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} // namespace js
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} // namespace ircd
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