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https://github.com/mkxp-z/mkxp-z.git
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b8d785b7e1
The binding coroutines in libretro builds are constructed on the VM stack, so reallocating the VM memory would corrupt the memory of any currently existing coroutines. I've changed it so that the coroutines are no longer constructed on the VM stack so that they're unaffected by VM memory reallocations, and added a "slot" mechanism for storing variables on the VM stack. (Any Ruby `VALUE`s used by a coroutine have to be stored on the VM stack so that the Ruby garbage collector doesn't free them while they're being used, which is why the slot mechanism is necessary.)
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
/*
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** flashable-binding.h
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**
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** This file is part of mkxp.
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**
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** Copyright (C) 2013 - 2021 Amaryllis Kulla <ancurio@mapleshrine.eu>
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**
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** mkxp is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 2 of the License, or
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** (at your option) any later version.
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**
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** mkxp is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with mkxp. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MKXPZ_SANDBOX_FLASHABLE_BINDING_H
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#define MKXPZ_SANDBOX_FLASHABLE_BINDING_H
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#include "binding-util.h"
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#include "etc.h"
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namespace mkxp_sandbox {
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template <class C> struct flashable_binding_init : boost::asio::coroutine {
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private:
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static VALUE flash(VALUE self, VALUE obj, VALUE value) {
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struct coro : boost::asio::coroutine {
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typedef decl_slots<int32_t> slots;
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VALUE operator()(VALUE self, VALUE obj, VALUE value) {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT_S(0, rb_num2int, value);
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get_private_data<C>(self)->flash(obj == SANDBOX_NIL ? nullptr : &get_private_data<Color>(obj)->norm, SANDBOX_SLOT(0));
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}
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return SANDBOX_NIL;
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}
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};
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return sb()->bind<struct coro>()()(self, obj, value);
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}
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static VALUE update(VALUE self) {
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get_private_data<C>(self)->update();
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return SANDBOX_NIL;
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}
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public:
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void operator()(VALUE klass) {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT(rb_define_method, klass, "flash", (VALUE (*)(ANYARGS))flash, 2);
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SANDBOX_AWAIT(rb_define_method, klass, "update", (VALUE (*)(ANYARGS))update, 0);
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}
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}
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};
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}
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#endif // MKXPZ_SANDBOX_FLASHABLE_BINDING_H
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