mirror of
https://github.com/mkxp-z/mkxp-z.git
synced 2025-08-23 15:23:44 +02:00
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.)
288 lines
11 KiB
C++
288 lines
11 KiB
C++
/*
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** font-binding.cpp
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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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#include "font-binding.h"
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#include "etc-binding.h"
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#include "font.h"
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#include "sharedstate.h"
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using namespace mkxp_sandbox;
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VALUE mkxp_sandbox::font_class;
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static struct bindings::rb_data_type font_type;
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SANDBOX_DEF_ALLOC(font_type);
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struct collect_strings : boost::asio::coroutine {
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typedef decl_slots<wasm_ptr_t, wasm_size_t, wasm_size_t, VALUE, VALUE> slots;
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void operator()(VALUE obj, std::vector<std::string> &out) {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT_S(3, rb_obj_is_kind_of, obj, sb()->rb_cString());
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if (SANDBOX_VALUE_TO_BOOL(SANDBOX_SLOT(3))) {
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SANDBOX_AWAIT_S(0, rb_string_value_cstr, &obj);
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out.push_back((const char *)(**sb() + SANDBOX_SLOT(0)));
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} else {
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SANDBOX_AWAIT_S(3, rb_obj_is_kind_of, obj, sb()->rb_cArray());
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if (SANDBOX_VALUE_TO_BOOL(SANDBOX_SLOT(3))) {
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SANDBOX_AWAIT_S(3, get_length, obj);
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SANDBOX_AWAIT_S(2, rb_num2ulong, SANDBOX_SLOT(3));
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for (SANDBOX_SLOT(1) = 0; SANDBOX_SLOT(1) < SANDBOX_SLOT(2); ++SANDBOX_SLOT(1)) {
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SANDBOX_AWAIT_S(4, rb_ary_entry, obj, SANDBOX_SLOT(1));
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/* Non-string objects are tolerated (ignored) */
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SANDBOX_AWAIT_S(3, rb_obj_is_kind_of, SANDBOX_SLOT(4), sb()->rb_cString());
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if (SANDBOX_VALUE_TO_BOOL(SANDBOX_SLOT(3))) {
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SANDBOX_AWAIT_S(0, rb_string_value_cstr, &SANDBOX_SLOT(4));
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out.push_back((const char *)(**sb() + SANDBOX_SLOT(0)));
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}
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}
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}
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}
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}
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}
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};
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static VALUE initialize(int32_t argc, wasm_ptr_t argv, VALUE self) {
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struct coro : boost::asio::coroutine {
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typedef decl_slots<VALUE, int32_t> slots;
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VALUE operator()(int32_t argc, wasm_ptr_t argv, VALUE self) {
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BOOST_ASIO_CORO_REENTER (this) {
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if (argc == 0) {
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SANDBOX_AWAIT_S(0, rb_iv_get, font_class, "default_name");
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set_private_data(self, new Font);
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} else if (argc == 1) {
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SANDBOX_SLOT(0) = ((VALUE *)(**sb() + argv))[0];
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SANDBOX_AWAIT(collect_strings, SANDBOX_SLOT(0), sb().font_names_buffer);
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set_private_data(self, new Font(&sb().font_names_buffer));
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} else {
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SANDBOX_AWAIT_S(1, rb_num2int, ((VALUE *)(**sb() + argv))[1]);
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SANDBOX_SLOT(0) = ((VALUE *)(**sb() + argv))[0];
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SANDBOX_AWAIT(collect_strings, SANDBOX_SLOT(0), sb().font_names_buffer);
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set_private_data(self, new Font(&sb().font_names_buffer, SANDBOX_SLOT(1)));
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}
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sb().font_names_buffer.clear();
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get_private_data<Font>(self)->initDynAttribs();
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/* This is semantically wrong; the new Font object should take
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* a dup'ed object here in case of an array. Ditto for the setters.
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* However the same bug/behavior exists in all RM versions. */
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SANDBOX_AWAIT(rb_iv_set, self, "name", SANDBOX_SLOT(0));
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SANDBOX_AWAIT(wrap_property, self, &get_private_data<Font>(self)->getColor(), "color", color_class);
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if (rgssVer >= 3) {
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SANDBOX_AWAIT(wrap_property, self, &get_private_data<Font>(self)->getOutColor(), "out_color", color_class);
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}
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}
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return SANDBOX_NIL;
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}
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~coro() {
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sb().font_names_buffer.clear();
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}
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};
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return sb()->bind<struct coro>()()(argc, argv, self);
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}
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static VALUE initialize_copy(VALUE self, VALUE value) {
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struct coro : boost::asio::coroutine {
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VALUE operator()(VALUE self, VALUE value) {
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BOOST_ASIO_CORO_REENTER (this) {
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if (self != value) {
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return self;
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}
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SANDBOX_AWAIT(rb_obj_init_copy, self, value);
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set_private_data(self, new Font(*get_private_data<Font>(value)));
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get_private_data<Font>(self)->initDynAttribs();
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SANDBOX_AWAIT(wrap_property, self, &get_private_data<Font>(self)->getColor(), "color", color_class);
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if (rgssVer >= 3) {
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SANDBOX_AWAIT(wrap_property, self, &get_private_data<Font>(self)->getOutColor(), "out_color", color_class);
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}
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}
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return self;
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}
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};
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return sb()->bind<struct coro>()()(self, value);
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}
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static VALUE get_name(VALUE self) {
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return sb()->bind<struct rb_iv_get>()()(self, "name");
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}
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static VALUE set_name(VALUE self, VALUE value) {
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struct coro : boost::asio::coroutine {
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std::vector<std::string> *names;
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VALUE operator()(VALUE self, VALUE value) {
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BOOST_ASIO_CORO_REENTER (this) {
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names = new std::vector<std::string>;
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SANDBOX_AWAIT(collect_strings, value, *names);
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get_private_data<Font>(self)->setName(*names);
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SANDBOX_AWAIT(rb_iv_set, self, "name", value);
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}
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return value;
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}
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~coro() {
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delete names;
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}
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};
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return sb()->bind<struct coro>()()(self, value);
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}
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SANDBOX_DEF_PROP_I(Font, Size, size);
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SANDBOX_DEF_PROP_B(Font, Bold, bold);
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SANDBOX_DEF_PROP_B(Font, Italic, italic);
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SANDBOX_DEF_PROP_OBJ_VAL(Font, Color, Color, color);
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SANDBOX_DEF_PROP_B(Font, Shadow, shadow);
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SANDBOX_DEF_PROP_B(Font, Outline, outline);
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SANDBOX_DEF_PROP_OBJ_VAL(Font, Color, OutColor, out_color);
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static VALUE get_default_name(VALUE self) {
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return sb()->bind<struct rb_iv_get>()()(self, "default_name");
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}
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static VALUE set_default_name(VALUE self, VALUE value) {
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struct coro : boost::asio::coroutine {
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std::vector<std::string> *names;
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VALUE operator()(VALUE self, VALUE value) {
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BOOST_ASIO_CORO_REENTER (this) {
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names = new std::vector<std::string>;
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SANDBOX_AWAIT(collect_strings, value, *names);
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get_private_data<Font>(self)->setName(*names);
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SANDBOX_AWAIT(rb_iv_set, self, "default_name", value);
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}
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return value;
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}
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~coro() {
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delete names;
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}
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};
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return sb()->bind<struct coro>()()(self, value);
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}
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SANDBOX_DEF_CLASS_PROP_I(Font, DefaultSize, default_size);
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SANDBOX_DEF_CLASS_PROP_B(Font, DefaultBold, default_bold);
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SANDBOX_DEF_CLASS_PROP_B(Font, DefaultItalic, default_italic);
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SANDBOX_DEF_CLASS_PROP_OBJ_VAL(Font, Color, DefaultColor, default_color);
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SANDBOX_DEF_CLASS_PROP_B(Font, DefaultShadow, default_shadow);
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SANDBOX_DEF_CLASS_PROP_B(Font, DefaultOutline, default_outline);
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SANDBOX_DEF_CLASS_PROP_OBJ_VAL(Font, Color, DefaultOutColor, default_out_color);
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static VALUE exist(VALUE self, VALUE value) {
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struct coro : boost::asio::coroutine {
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typedef decl_slots<wasm_ptr_t, VALUE> slots;
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VALUE operator()(VALUE self, VALUE value) {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT_S(1, rb_obj_is_kind_of, value, sb()->rb_cString());
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if (SANDBOX_VALUE_TO_BOOL(SANDBOX_SLOT(1))) {
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SANDBOX_AWAIT_S(0, rb_string_value_cstr, &value);
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return SANDBOX_BOOL_TO_VALUE(Font::doesExist((const char *)(**sb() + SANDBOX_SLOT(0))));
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} else {
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return SANDBOX_BOOL_TO_VALUE(Font::doesExist(nullptr));
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}
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}
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return SANDBOX_UNDEF;
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}
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};
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return sb()->bind<struct coro>()()(self, value);
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}
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void font_binding_init::operator()() {
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BOOST_ASIO_CORO_REENTER (this) {
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font_type = sb()->rb_data_type("Font", nullptr, dfree<Font>, nullptr, nullptr, 0, 0, 0);
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SANDBOX_AWAIT_R(font_class, rb_define_class, "Font", sb()->rb_cObject());
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SANDBOX_AWAIT(rb_define_alloc_func, font_class, alloc);
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Font::initDefaultDynAttribs();
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SANDBOX_AWAIT(wrap_property, font_class, &Font::getDefaultColor(), "default_color", color_class);
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if (rgssVer >= 3) {
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SANDBOX_AWAIT(wrap_property, font_class, &Font::getDefaultOutColor(), "default_out_color", color_class);
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}
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if (Font::getInitialDefaultNames().size() == 1) {
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SANDBOX_AWAIT_S(1, rb_utf8_str_new_cstr, Font::getInitialDefaultNames()[0].c_str());
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} else {
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SANDBOX_AWAIT_S(1, rb_ary_new_capa, Font::getInitialDefaultNames().size());
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for (SANDBOX_SLOT(0) = 0; SANDBOX_SLOT(0) < Font::getInitialDefaultNames().size(); ++SANDBOX_SLOT(0)) {
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SANDBOX_AWAIT_S(2, rb_utf8_str_new_cstr, Font::getInitialDefaultNames()[SANDBOX_SLOT(0)].c_str());
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SANDBOX_AWAIT(rb_ary_push, SANDBOX_SLOT(1), SANDBOX_SLOT(2));
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}
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}
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SANDBOX_AWAIT(rb_iv_set, font_class, "default_name", SANDBOX_SLOT(1));
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SANDBOX_AWAIT(rb_define_method, font_class, "initialize", (VALUE (*)(ANYARGS))initialize, -1);
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SANDBOX_AWAIT(rb_define_method, font_class, "initialize_copy", (VALUE (*)(ANYARGS))initialize_copy, 1);
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SANDBOX_INIT_PROP_BIND(font_class, name);
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SANDBOX_INIT_PROP_BIND(font_class, size);
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SANDBOX_INIT_PROP_BIND(font_class, bold);
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SANDBOX_INIT_PROP_BIND(font_class, italic);
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SANDBOX_INIT_PROP_BIND(font_class, color);
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if (rgssVer >= 2) {
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SANDBOX_INIT_PROP_BIND(font_class, shadow);
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}
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if (rgssVer >= 3) {
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SANDBOX_INIT_PROP_BIND(font_class, outline);
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SANDBOX_INIT_PROP_BIND(font_class, out_color);
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}
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SANDBOX_INIT_SINGLETON_PROP_BIND(font_class, default_name);
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SANDBOX_INIT_SINGLETON_PROP_BIND(font_class, default_size);
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SANDBOX_INIT_SINGLETON_PROP_BIND(font_class, default_bold);
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SANDBOX_INIT_SINGLETON_PROP_BIND(font_class, default_italic);
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SANDBOX_INIT_SINGLETON_PROP_BIND(font_class, default_color);
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if (rgssVer >= 2) {
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SANDBOX_INIT_SINGLETON_PROP_BIND(font_class, default_shadow);
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}
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if (rgssVer >= 3) {
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SANDBOX_INIT_SINGLETON_PROP_BIND(font_class, default_outline);
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SANDBOX_INIT_SINGLETON_PROP_BIND(font_class, default_out_color);
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}
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SANDBOX_AWAIT(rb_define_singleton_method, font_class, "exist?", (VALUE (*)(ANYARGS))exist, 1);
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}
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}
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