mirror of
https://github.com/matrix-construct/construct
synced 2024-08-19 08:04:43 +02:00
118 lines
4.9 KiB
C++
118 lines
4.9 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 property; // Properties (trap_property.h)
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struct function; // Functions (trap_function.h)
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struct constint; // Constant integers (trap_constint.h)
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std::string name; // classp name
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trap *prototrap; // Parent trap
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// Static specifications
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std::map<std::string, property *> sprop;
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std::map<std::string, function *> sfunc;
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// Member specifications
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std::map<std::string, property *> memprop;
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std::map<std::string, function *> memfunc;
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protected:
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void debug(const void *const &that, const char *fmt, ...) const AFP(3, 4);
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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: protected:
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void host_exception(const void *const &that, const char *fmt, ...) const AFP(3, 4);
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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_setter(JSContext *, unsigned argc, JS::Value *argv) noexcept;
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static bool handle_getter(JSContext *, unsigned argc, JS::Value *argv) 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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// Aggregate structure specifying internal callback surface
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static const JSClassOps cops; // Used for regular objects
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static const JSClassOps gcops; // Used for global objects
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const JSClass classp; // Instance uses one of the above JSClassOps
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public:
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static trap &from(const JSObject *const &);
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static trap &from(const JSObject &);
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auto &jsclass() const { return classp; }
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auto &jsclass() { return classp; }
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operator const JSClass &() const { return jsclass(); }
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operator const JSClass *() const { return &jsclass(); }
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object prototype(const object::handle &globals);
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object construct(const object::handle &globals, const vector<value>::handle &argv = {});
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object construct(const vector<value>::handle &argv = {});
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template<class... args> object operator()(args&&...);
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trap(const std::string &name, 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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} // namespace js
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} // namespace ircd
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template<class... args>
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ircd::js::object
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ircd::js::trap::operator()(args&&... a)
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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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return construct(argv);
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}
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