1 files changed, 80 insertions, 0 deletions
diff --git a/ports/webassembly/modjsffi.c b/ports/webassembly/modjsffi.c
new file mode 100644
index 000000000..d4e61e368
--- /dev/null
+++ b/ports/webassembly/modjsffi.c
@@ -0,0 +1,80 @@
+/*
+ * 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/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);
+
+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_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) },
+};
+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