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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2023-2024 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "emscripten.h"
#include "py/gc.h"
#include "py/objmodule.h"
#include "py/runtime.h"
#include "proxy_c.h"
#if MICROPY_PY_JSFFI
/******************************************************************************/
// jsffi module
EM_JS(void, proxy_convert_mp_to_js_then_js_to_mp_obj_jsside, (uint32_t * out), {
const ret = proxy_convert_mp_to_js_obj_jsside(out);
proxy_convert_js_to_mp_obj_jsside_force_double_proxy(ret, out);
});
static mp_obj_t mp_jsffi_create_proxy(mp_obj_t arg) {
uint32_t out[3];
proxy_convert_mp_to_js_obj_cside(arg, out);
proxy_convert_mp_to_js_then_js_to_mp_obj_jsside(out);
return proxy_convert_js_to_mp_obj_cside(out);
}
static MP_DEFINE_CONST_FUN_OBJ_1(mp_jsffi_create_proxy_obj, mp_jsffi_create_proxy);
EM_JS(void, proxy_convert_mp_to_js_then_js_to_js_then_js_to_mp_obj_jsside, (uint32_t * out), {
const ret = proxy_convert_mp_to_js_obj_jsside(out);
const js_obj = PyProxy.toJs(ret);
proxy_convert_js_to_mp_obj_jsside(js_obj, out);
});
static mp_obj_t mp_jsffi_to_js(mp_obj_t arg) {
uint32_t out[3];
proxy_convert_mp_to_js_obj_cside(arg, out);
proxy_convert_mp_to_js_then_js_to_js_then_js_to_mp_obj_jsside(out);
return proxy_convert_js_to_mp_obj_cside(out);
}
static MP_DEFINE_CONST_FUN_OBJ_1(mp_jsffi_to_js_obj, mp_jsffi_to_js);
// *FORMAT-OFF*
EM_JS(void, js_get_proxy_js_ref_info, (uint32_t * out), {
let used = 0;
for (const elem of proxy_js_ref) {
if (elem !== undefined) {
++used;
}
}
Module.setValue(out, proxy_js_ref.length, "i32");
Module.setValue(out + 4, used, "i32");
});
// *FORMAT-ON*
static mp_obj_t mp_jsffi_mem_info(void) {
mp_obj_list_t *l = (mp_obj_list_t *)MP_OBJ_TO_PTR(MP_STATE_PORT(proxy_c_ref));
mp_int_t used = 0;
for (size_t i = 0; i < l->len; ++i) {
if (l->items[i] != MP_OBJ_NULL) {
++used;
}
}
uint32_t proxy_js_ref_info[2];
js_get_proxy_js_ref_info(proxy_js_ref_info);
gc_info_t info;
gc_info(&info);
mp_obj_t elems[] = {
MP_OBJ_NEW_SMALL_INT(info.total), // GC heap total bytes
MP_OBJ_NEW_SMALL_INT(info.used), // GC heap used bytes
MP_OBJ_NEW_SMALL_INT(info.free), // GC heap free bytes
MP_OBJ_NEW_SMALL_INT(l->len), // proxy_c_ref allocated size
MP_OBJ_NEW_SMALL_INT(used), // proxy_c_ref used
MP_OBJ_NEW_SMALL_INT(proxy_js_ref_info[0]), // proxy_js_ref allocated size
MP_OBJ_NEW_SMALL_INT(proxy_js_ref_info[1]), // proxy_js_ref used
};
return mp_obj_new_tuple(MP_ARRAY_SIZE(elems), elems);
}
static MP_DEFINE_CONST_FUN_OBJ_0(mp_jsffi_mem_info_obj, mp_jsffi_mem_info);
static const mp_rom_map_elem_t mp_module_jsffi_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_jsffi) },
{ MP_ROM_QSTR(MP_QSTR_JsProxy), MP_ROM_PTR(&mp_type_jsproxy) },
{ MP_ROM_QSTR(MP_QSTR_JsException), MP_ROM_PTR(&mp_type_JsException) },
{ MP_ROM_QSTR(MP_QSTR_create_proxy), MP_ROM_PTR(&mp_jsffi_create_proxy_obj) },
{ MP_ROM_QSTR(MP_QSTR_to_js), MP_ROM_PTR(&mp_jsffi_to_js_obj) },
{ MP_ROM_QSTR(MP_QSTR_mem_info), MP_ROM_PTR(&mp_jsffi_mem_info_obj) },
};
static MP_DEFINE_CONST_DICT(mp_module_jsffi_globals, mp_module_jsffi_globals_table);
const mp_obj_module_t mp_module_jsffi = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t *)&mp_module_jsffi_globals,
};
MP_REGISTER_MODULE(MP_QSTR_jsffi, mp_module_jsffi);
#endif // MICROPY_PY_JSFFI