mirror of
https://github.com/mkxp-z/mkxp-z.git
synced 2025-08-23 15:23:44 +02:00
90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
/*
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** binding-util.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 "binding-util.h"
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#include "filesystem.h"
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using namespace mkxp_sandbox;
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void mkxp_sandbox::set_private_data(VALUE obj, void *ptr) {
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/* RGSS's behavior is to just leak memory if a disposable is reinitialized,
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* with the original disposable being left permanently instantiated,
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* but that's (1) bad, and (2) would currently cause memory access issues
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* when things like a sprite's src_rect inevitably get GC'd, so we're not
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* copying that. */
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wasm_ptr_t data = sb()->rtypeddata_data(obj);
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// Free the old value if it already exists (initialize called twice?)
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if (*(wasm_ptr_t *)(**sb() + data) != 0 && *(void **)(**sb() + *(wasm_ptr_t *)(**sb() + data)) != ptr) {
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sb()->rtypeddata_dfree(obj, *(wasm_ptr_t *)(**sb() + data));
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*(wasm_ptr_t *)(**sb() + data) = 0;
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}
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if (*(wasm_ptr_t *)(**sb() + data) == 0) {
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wasm_ptr_t buf = sb()->sandbox_malloc(sizeof(void *));
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*(void **)(**sb() + buf) = ptr;
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*(wasm_ptr_t *)(**sb() + data) = buf;
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}
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}
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wasm_size_t get_length::operator()(VALUE obj) {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT_AND_SET(id, rb_intern, "length");
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SANDBOX_AWAIT_AND_SET(length_value, rb_funcall, obj, id, 0);
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SANDBOX_AWAIT_AND_SET(result, rb_num2ulong, length_value);
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}
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return result;
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}
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wasm_size_t get_bytesize::operator()(VALUE obj) {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT_AND_SET(id, rb_intern, "bytesize");
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SANDBOX_AWAIT_AND_SET(length_value, rb_funcall, obj, id, 0);
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SANDBOX_AWAIT_AND_SET(result, rb_num2ulong, length_value);
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}
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return result;
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}
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VALUE wrap_property::operator()(VALUE self, void *ptr, const char *iv, VALUE klass) {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT_AND_SET(obj, rb_obj_alloc, klass);
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set_private_data(obj, ptr);
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SANDBOX_AWAIT(rb_iv_set, self, iv, obj);
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}
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return obj;
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}
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void log_backtrace::operator()(VALUE exception) {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT(rb_p, exception);
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SANDBOX_AWAIT_AND_SET(id, rb_intern, "backtrace");
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SANDBOX_AWAIT_AND_SET(backtrace, rb_funcall, exception, id, 0);
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SANDBOX_AWAIT_AND_SET(id, rb_intern, "join");
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SANDBOX_AWAIT_AND_SET(separator, rb_str_new_cstr, "\n\t");
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SANDBOX_AWAIT_AND_SET(backtrace, rb_funcall, backtrace, id, 1, separator);
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SANDBOX_AWAIT_AND_SET(backtrace_str, rb_string_value_cstr, &backtrace);
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mkxp_retro::log_printf(RETRO_LOG_ERROR, "%s\n", **sb() + backtrace_str);
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}
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}
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