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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paul Sokolovsky
*
* 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 <assert.h>
#include <string.h>
#include <errno.h>
#include <dlfcn.h>
#include <ctype.h>
#include "py/nlr.h"
#include "py/runtime0.h"
#include "py/runtime.h"
#include "py/binary.h"
#include <jni.h>
#define JJ(call, ...) (*env)->call(env, __VA_ARGS__)
#define JJ1(call) (*env)->call(env)
#define MATCH(s, static) (!strncmp(s, static, sizeof(static) - 1))
static JavaVM *jvm;
static JNIEnv *env;
static jclass Class_class;
static jclass String_class;
static jmethodID Class_getName_mid;
static jmethodID Class_getField_mid;
static jmethodID Class_getMethods_mid;
static jmethodID Class_getConstructors_mid;
static jmethodID Method_getName_mid;
static jmethodID Object_toString_mid;
static jclass List_class;
static jmethodID List_get_mid;
static jmethodID List_set_mid;
static jmethodID List_size_mid;
static jclass IndexException_class;
STATIC const mp_obj_type_t jobject_type;
STATIC const mp_obj_type_t jmethod_type;
STATIC mp_obj_t new_jobject(jobject jo);
STATIC mp_obj_t new_jclass(jclass jc);
STATIC mp_obj_t call_method(jobject obj, const char *name, jarray methods, bool is_constr, mp_uint_t n_args, const mp_obj_t *args);
STATIC bool py2jvalue(const char **jtypesig, mp_obj_t arg, jvalue *out);
typedef struct _mp_obj_jclass_t {
mp_obj_base_t base;
jclass cls;
} mp_obj_jclass_t;
typedef struct _mp_obj_jobject_t {
mp_obj_base_t base;
jobject obj;
} mp_obj_jobject_t;
typedef struct _mp_obj_jmethod_t {
mp_obj_base_t base;
jobject obj;
jmethodID meth;
qstr name;
bool is_static;
} mp_obj_jmethod_t;
// Utility functions
STATIC bool is_object_type(const char *jtypesig) {
while (*jtypesig != ' ' && *jtypesig) {
if (*jtypesig == '.') {
return true;
}
jtypesig++;
}
return false;
}
STATIC void check_exception(void) {
jobject exc = JJ1(ExceptionOccurred);
if (exc) {
//JJ1(ExceptionDescribe);
mp_obj_t py_e = new_jobject(exc);
JJ1(ExceptionClear);
if (JJ(IsInstanceOf, exc, IndexException_class)) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_IndexError, py_e));
}
nlr_raise(mp_obj_new_exception_arg1(&mp_type_Exception, py_e));
}
}
STATIC void print_jobject(const mp_print_t *print, jobject obj) {
jobject str_o = JJ(CallObjectMethod, obj, Object_toString_mid);
const char *str = JJ(GetStringUTFChars, str_o, NULL);
mp_printf(print, str);
JJ(ReleaseStringUTFChars, str_o, str);
}
// jclass
STATIC void jclass_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
mp_obj_jclass_t *self = self_in;
if (kind == PRINT_REPR) {
mp_printf(print, "<jclass @%p \"", self->cls);
}
print_jobject(print, self->cls);
if (kind == PRINT_REPR) {
mp_printf(print, "\">");
}
}
STATIC void jclass_attr(mp_obj_t self_in, qstr attr_in, mp_obj_t *dest) {
if (dest[0] == MP_OBJ_NULL) {
// load attribute
mp_obj_jclass_t *self = self_in;
const char *attr = qstr_str(attr_in);
jstring field_name = JJ(NewStringUTF, attr);
jobject field = JJ(CallObjectMethod, self->cls, Class_getField_mid, field_name);
if (!JJ1(ExceptionCheck)) {
jfieldID field_id = JJ(FromReflectedField, field);
jobject obj = JJ(GetStaticObjectField, self->cls, field_id);
dest[0] = new_jobject(obj);
return;
}
//JJ1(ExceptionDescribe);
JJ1(ExceptionClear);
mp_obj_jmethod_t *o = m_new_obj(mp_obj_jmethod_t);
o->base.type = &jmethod_type;
o->name = attr_in;
o->meth = NULL;
o->obj = self->cls;
o->is_static = true;
dest[0] = o;
}
}
STATIC mp_obj_t jclass_call(mp_obj_t self_in, size_t n_args, size_t n_kw, const mp_obj_t *args) {
if (n_kw != 0) {
mp_raise_TypeError("kwargs not supported");
}
mp_obj_jclass_t *self = self_in;
jarray methods = JJ(CallObjectMethod, self->cls, Class_getConstructors_mid);
return call_method(self->cls, NULL, methods, true, n_args, args);
}
STATIC const mp_rom_map_elem_t jclass_locals_dict_table[] = {
// { MP_ROM_QSTR(MP_QSTR_get), MP_ROM_PTR(&ffivar_get_obj) },
// { MP_ROM_QSTR(MP_QSTR_set), MP_ROM_PTR(&ffivar_set_obj) },
};
STATIC MP_DEFINE_CONST_DICT(jclass_locals_dict, jclass_locals_dict_table);
STATIC const mp_obj_type_t jclass_type = {
{ &mp_type_type },
.name = MP_QSTR_jclass,
.print = jclass_print,
.attr = jclass_attr,
.call = jclass_call,
.locals_dict = (mp_obj_dict_t*)&jclass_locals_dict,
};
STATIC mp_obj_t new_jclass(jclass jc) {
mp_obj_jclass_t *o = m_new_obj(mp_obj_jclass_t);
o->base.type = &jclass_type;
o->cls = jc;
return o;
}
// jobject
STATIC void jobject_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
mp_obj_jobject_t *self = self_in;
if (kind == PRINT_REPR) {
mp_printf(print, "<jobject @%p \"", self->obj);
}
print_jobject(print, self->obj);
if (kind == PRINT_REPR) {
mp_printf(print, "\">");
}
}
STATIC void jobject_attr(mp_obj_t self_in, qstr attr_in, mp_obj_t *dest) {
if (dest[0] == MP_OBJ_NULL) {
// load attribute
mp_obj_jobject_t *self = self_in;
const char *attr = qstr_str(attr_in);
jclass obj_class = JJ(GetObjectClass, self->obj);
jstring field_name = JJ(NewStringUTF, attr);
jobject field = JJ(CallObjectMethod, obj_class, Class_getField_mid, field_name);
JJ(DeleteLocalRef, field_name);
JJ(DeleteLocalRef, obj_class);
if (!JJ1(ExceptionCheck)) {
jfieldID field_id = JJ(FromReflectedField, field);
JJ(DeleteLocalRef, field);
jobject obj = JJ(GetObjectField, self->obj, field_id);
dest[0] = new_jobject(obj);
return;
}
//JJ1(ExceptionDescribe);
JJ1(ExceptionClear);
mp_obj_jmethod_t *o = m_new_obj(mp_obj_jmethod_t);
o->base.type = &jmethod_type;
o->name = attr_in;
o->meth = NULL;
o->obj = self->obj;
o->is_static = false;
dest[0] = o;
}
}
STATIC void get_jclass_name(jobject obj, char *buf) {
jclass obj_class = JJ(GetObjectClass, obj);
jstring name = JJ(CallObjectMethod, obj_class, Class_getName_mid);
jint len = JJ(GetStringLength, name);
JJ(GetStringUTFRegion, name, 0, len, buf);
check_exception();
}
STATIC mp_obj_t jobject_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t value) {
mp_obj_jobject_t *self = self_in;
mp_uint_t idx = mp_obj_get_int(index);
char class_name[64];
get_jclass_name(self->obj, class_name);
//printf("class: %s\n", class_name);
if (class_name[0] == '[') {
if (class_name[1] == 'L' || class_name[1] == '[') {
if (value == MP_OBJ_NULL) {
// delete
assert(0);
} else if (value == MP_OBJ_SENTINEL) {
// load
jobject el = JJ(GetObjectArrayElement, self->obj, idx);
return new_jobject(el);
} else {
// store
jvalue jval;
const char *t = class_name + 1;
py2jvalue(&t, value, &jval);
JJ(SetObjectArrayElement, self->obj, idx, jval.l);
return mp_const_none;
}
}
mp_raise_NotImplementedError("");
}
if (!JJ(IsInstanceOf, self->obj, List_class)) {
return MP_OBJ_NULL;
}
if (value == MP_OBJ_NULL) {
// delete
assert(0);
} else if (value == MP_OBJ_SENTINEL) {
// load
jobject el = JJ(CallObjectMethod, self->obj, List_get_mid, idx);
check_exception();
return new_jobject(el);
} else {
// store
assert(0);
}
return MP_OBJ_NULL;
}
STATIC mp_obj_t jobject_unary_op(mp_uint_t op, mp_obj_t self_in) {
mp_obj_jobject_t *self = self_in;
switch (op) {
case MP_UNARY_OP_BOOL:
case MP_UNARY_OP_LEN: {
jint len = JJ(CallIntMethod, self->obj, List_size_mid);
if (op == MP_UNARY_OP_BOOL) {
return mp_obj_new_bool(len != 0);
}
return MP_OBJ_NEW_SMALL_INT(len);
}
default:
return MP_OBJ_NULL; // op not supported
}
}
// TODO: subscr_load_adaptor & subscr_getiter convenience functions
// should be moved to common location for reuse.
STATIC mp_obj_t subscr_load_adaptor(mp_obj_t self_in, mp_obj_t index_in) {
return mp_obj_subscr(self_in, index_in, MP_OBJ_SENTINEL);
}
MP_DEFINE_CONST_FUN_OBJ_2(subscr_load_adaptor_obj, subscr_load_adaptor);
// .getiter special method which returns iterator which works in terms
// of object subscription.
STATIC mp_obj_t subscr_getiter(mp_obj_t self_in) {
mp_obj_t dest[2] = {(mp_obj_t)&subscr_load_adaptor_obj, self_in};
return mp_obj_new_getitem_iter(dest);
}
STATIC const mp_obj_type_t jobject_type = {
{ &mp_type_type },
.name = MP_QSTR_jobject,
.print = jobject_print,
.unary_op = jobject_unary_op,
.attr = jobject_attr,
.subscr = jobject_subscr,
.getiter = subscr_getiter,
// .locals_dict = (mp_obj_dict_t*)&jobject_locals_dict,
};
STATIC mp_obj_t new_jobject(jobject jo) {
if (jo == NULL) {
return mp_const_none;
} else if (JJ(IsInstanceOf, jo, String_class)) {
const char *s = JJ(GetStringUTFChars, jo, NULL);
mp_obj_t ret = mp_obj_new_str(s, strlen(s), false);
JJ(ReleaseStringUTFChars, jo, s);
return ret;
} else if (JJ(IsInstanceOf, jo, Class_class)) {
return new_jclass(jo);
} else {
mp_obj_jobject_t *o = m_new_obj(mp_obj_jobject_t);
o->base.type = &jobject_type;
o->obj = jo;
return o;
}
}
// jmethod
STATIC void jmethod_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
(void)kind;
mp_obj_jmethod_t *self = self_in;
// Variable value printed as cast to int
mp_printf(print, "<jmethod '%s'>", qstr_str(self->name));
}
#define IMATCH(s, static) ((!strncmp(s, static, sizeof(static) - 1)) && (s += sizeof(static) - 1))
#define CHECK_TYPE(java_type_name) \
if (strncmp(arg_type, java_type_name, sizeof(java_type_name) - 1) != 0) { \
return false; \
} \
arg_type += sizeof(java_type_name) - 1;
STATIC const char *strprev(const char *s, char c) {
while (*s != c) {
s--;
}
return s;
}
STATIC bool py2jvalue(const char **jtypesig, mp_obj_t arg, jvalue *out) {
const char *arg_type = *jtypesig;
mp_obj_type_t *type = mp_obj_get_type(arg);
if (type == &mp_type_str) {
if (IMATCH(arg_type, "java.lang.String") || IMATCH(arg_type, "java.lang.Object")) {
out->l = JJ(NewStringUTF, mp_obj_str_get_str(arg));
} else {
return false;
}
} else if (type == &mp_type_int) {
if (IMATCH(arg_type, "int") || IMATCH(arg_type, "long")) {
// TODO: Java long is 64-bit actually
out->j = mp_obj_get_int(arg);
} else {
return false;
}
} else if (type == &jobject_type) {
bool is_object = false;
const char *expected_type = arg_type;
while (1) {
if (isalpha(*arg_type)) {
} else if (*arg_type == '.') {
is_object = true;
} else {
break;
}
arg_type++;
}
if (!is_object) {
return false;
}
mp_obj_jobject_t *jo = arg;
if (!MATCH(expected_type, "java.lang.Object")) {
char class_name[64];
get_jclass_name(jo->obj, class_name);
//printf("Arg class: %s\n", class_name);
if (strcmp(class_name, expected_type) != 0) {
return false;
}
}
out->l = jo->obj;
} else if (type == &mp_type_bool) {
if (IMATCH(arg_type, "boolean")) {
out->z = arg == mp_const_true;
} else {
return false;
}
} else if (arg == mp_const_none) {
//printf("TODO: Check java arg type!!\n");
while (isalpha(*arg_type) || *arg_type == '.') {
arg_type++;
}
out->l = NULL;
} else {
mp_raise_TypeError("arg type not supported");
}
*jtypesig = arg_type;
return true;
}
#if 0
// jvalue is known to be union of jobject and friends. And yet from C's
// perspective, it's aggregate object which may require passing via stack
// instead of registers. Work that around by passing jobject and typecasting
// it.
STATIC mp_obj_t jvalue2py(const char *jtypesig, jobject arg) {
if (arg == NULL || MATCH(jtypesig, "void")) {
return mp_const_none;
} else if (MATCH(jtypesig, "boolean")) {
return mp_obj_new_bool((bool)arg);
} else if (MATCH(jtypesig, "int")) {
return mp_obj_new_int((mp_int_t)arg);
} else if (is_object_type(jtypesig)) {
// Non-primitive, object type
return new_jobject(arg);
}
printf("Unknown return type: %s\n", jtypesig);
return MP_OBJ_NULL;
}
#endif
STATIC mp_obj_t call_method(jobject obj, const char *name, jarray methods, bool is_constr, mp_uint_t n_args, const mp_obj_t *args) {
jvalue jargs[n_args];
// printf("methods=%p\n", methods);
jsize num_methods = JJ(GetArrayLength, methods);
for (int i = 0; i < num_methods; i++) {
jobject meth = JJ(GetObjectArrayElement, methods, i);
jobject name_o = JJ(CallObjectMethod, meth, Object_toString_mid);
const char *decl = JJ(GetStringUTFChars, name_o, NULL);
const char *arg_types = strchr(decl, '(') + 1;
//const char *arg_types_end = strchr(arg_types, ')');
// printf("method[%d]=%p %s\n", i, meth, decl);
const char *meth_name = NULL;
const char *ret_type = NULL;
if (!is_constr) {
meth_name = strprev(arg_types, '.') + 1;
ret_type = strprev(meth_name, ' ') - 1;
ret_type = strprev(ret_type, ' ') + 1;
int name_len = strlen(name);
if (strncmp(name, meth_name, name_len/*arg_types - meth_name - 1*/) || meth_name[name_len] != '('/*(*/) {
goto next_method;
}
}
// printf("method[%d]=%p %s\n", i, meth, decl);
// printf("!!!%s\n", arg_types);
// printf("name=%p meth_name=%s\n", name, meth_name);
bool found = true;
for (int i = 0; i < n_args && *arg_types != ')'; i++) {
if (!py2jvalue(&arg_types, args[i], &jargs[i])) {
goto next_method;
}
if (*arg_types == ',') {
arg_types++;
}
}
if (*arg_types != ')') {
goto next_method;
}
if (found) {
// printf("found!\n");
jmethodID method_id = JJ(FromReflectedMethod, meth);
jobject res;
mp_obj_t ret;
if (is_constr) {
JJ(ReleaseStringUTFChars, name_o, decl);
res = JJ(NewObjectA, obj, method_id, jargs);
return new_jobject(res);
} else {
if (MATCH(ret_type, "void")) {
JJ(CallVoidMethodA, obj, method_id, jargs);
check_exception();
ret = mp_const_none;
} else if (MATCH(ret_type, "int")) {
jint res = JJ(CallIntMethodA, obj, method_id, jargs);
check_exception();
ret = mp_obj_new_int(res);
} else if (MATCH(ret_type, "boolean")) {
jboolean res = JJ(CallBooleanMethodA, obj, method_id, jargs);
check_exception();
ret = mp_obj_new_bool(res);
} else if (is_object_type(ret_type)) {
res = JJ(CallObjectMethodA, obj, method_id, jargs);
check_exception();
ret = new_jobject(res);
} else {
JJ(ReleaseStringUTFChars, name_o, decl);
mp_raise_TypeError("cannot handle return type");
}
JJ(ReleaseStringUTFChars, name_o, decl);
JJ(DeleteLocalRef, name_o);
JJ(DeleteLocalRef, meth);
return ret;
}
}
next_method:
JJ(ReleaseStringUTFChars, name_o, decl);
JJ(DeleteLocalRef, name_o);
JJ(DeleteLocalRef, meth);
}
mp_raise_TypeError("method not found");
}
STATIC mp_obj_t jmethod_call(mp_obj_t self_in, size_t n_args, size_t n_kw, const mp_obj_t *args) {
if (n_kw != 0) {
mp_raise_TypeError("kwargs not supported");
}
mp_obj_jmethod_t *self = self_in;
const char *name = qstr_str(self->name);
// jstring meth_name = JJ(NewStringUTF, name);
jclass obj_class = self->obj;
if (!self->is_static) {
obj_class = JJ(GetObjectClass, self->obj);
}
jarray methods = JJ(CallObjectMethod, obj_class, Class_getMethods_mid);
return call_method(self->obj, name, methods, false, n_args, args);
}
STATIC const mp_obj_type_t jmethod_type = {
{ &mp_type_type },
.name = MP_QSTR_jmethod,
.print = jmethod_print,
.call = jmethod_call,
// .attr = jobject_attr,
// .locals_dict = (mp_obj_dict_t*)&jobject_locals_dict,
};
#ifdef __ANDROID__
#define LIBJVM_SO "libdvm.so"
#else
#define LIBJVM_SO "libjvm.so"
#endif
STATIC void create_jvm() {
JavaVMInitArgs args;
JavaVMOption options;
options.optionString = "-Djava.class.path=.";
args.version = JNI_VERSION_1_6;
args.nOptions = 1;
args.options = &options;
args.ignoreUnrecognized = 0;
if (env) {
return;
}
void *libjvm = dlopen(LIBJVM_SO, RTLD_NOW | RTLD_GLOBAL);
if (!libjvm) {
mp_raise_msg(&mp_type_OSError, "unable to load libjvm.so, use LD_LIBRARY_PATH");
}
int (*_JNI_CreateJavaVM)(void*, void**, void*) = dlsym(libjvm, "JNI_CreateJavaVM");
int st = _JNI_CreateJavaVM(&jvm, (void**)&env, &args);
if (st < 0 || !env) {
mp_raise_msg(&mp_type_OSError, "unable to create JVM");
}
Class_class = JJ(FindClass, "java/lang/Class");
jclass method_class = JJ(FindClass, "java/lang/reflect/Method");
String_class = JJ(FindClass, "java/lang/String");
jclass Object_class = JJ(FindClass, "java/lang/Object");
Object_toString_mid = JJ(GetMethodID, Object_class, "toString",
"()Ljava/lang/String;");
Class_getName_mid = (*env)->GetMethodID(env, Class_class, "getName",
"()Ljava/lang/String;");
Class_getField_mid = (*env)->GetMethodID(env, Class_class, "getField",
"(Ljava/lang/String;)Ljava/lang/reflect/Field;");
Class_getMethods_mid = (*env)->GetMethodID(env, Class_class, "getMethods",
"()[Ljava/lang/reflect/Method;");
Class_getConstructors_mid = (*env)->GetMethodID(env, Class_class, "getConstructors",
"()[Ljava/lang/reflect/Constructor;");
Method_getName_mid = (*env)->GetMethodID(env, method_class, "getName",
"()Ljava/lang/String;");
List_class = JJ(FindClass, "java/util/List");
List_get_mid = JJ(GetMethodID, List_class, "get",
"(I)Ljava/lang/Object;");
List_set_mid = JJ(GetMethodID, List_class, "set",
"(ILjava/lang/Object;)Ljava/lang/Object;");
List_size_mid = JJ(GetMethodID, List_class, "size",
"()I");
IndexException_class = JJ(FindClass, "java/lang/IndexOutOfBoundsException");
}
STATIC mp_obj_t mod_jni_cls(mp_obj_t cls_name_in) {
const char *cls_name = mp_obj_str_get_str(cls_name_in);
if (!env) {
create_jvm();
}
jclass cls = JJ(FindClass, cls_name);
mp_obj_jclass_t *o = m_new_obj(mp_obj_jclass_t);
o->base.type = &jclass_type;
o->cls = cls;
return o;
}
MP_DEFINE_CONST_FUN_OBJ_1(mod_jni_cls_obj, mod_jni_cls);
STATIC mp_obj_t mod_jni_array(mp_obj_t type_in, mp_obj_t size_in) {
if (!env) {
create_jvm();
}
mp_int_t size = mp_obj_get_int(size_in);
jobject res = NULL;
if (MP_OBJ_IS_TYPE(type_in, &jclass_type)) {
mp_obj_jclass_t *jcls = type_in;
res = JJ(NewObjectArray, size, jcls->cls, NULL);
} else if (MP_OBJ_IS_STR(type_in)) {
const char *type = mp_obj_str_get_str(type_in);
switch (*type) {
case 'Z':
res = JJ(NewBooleanArray, size);
break;
case 'B':
res = JJ(NewByteArray, size);
break;
case 'C':
res = JJ(NewCharArray, size);
break;
case 'S':
res = JJ(NewShortArray, size);
break;
case 'I':
res = JJ(NewIntArray, size);
break;
case 'J':
res = JJ(NewLongArray, size);
break;
case 'F':
res = JJ(NewFloatArray, size);
break;
case 'D':
res = JJ(NewDoubleArray, size);
break;
}
}
return new_jobject(res);
}
MP_DEFINE_CONST_FUN_OBJ_2(mod_jni_array_obj, mod_jni_array);
STATIC mp_obj_t mod_jni_env() {
return mp_obj_new_int((mp_int_t)env);
}
MP_DEFINE_CONST_FUN_OBJ_0(mod_jni_env_obj, mod_jni_env);
STATIC const mp_rom_map_elem_t mp_module_jni_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_jni) },
{ MP_ROM_QSTR(MP_QSTR_cls), MP_ROM_PTR(&mod_jni_cls_obj) },
{ MP_ROM_QSTR(MP_QSTR_array), MP_ROM_PTR(&mod_jni_array_obj) },
{ MP_ROM_QSTR(MP_QSTR_env), MP_ROM_PTR(&mod_jni_env_obj) },
};
STATIC MP_DEFINE_CONST_DICT(mp_module_jni_globals, mp_module_jni_globals_table);
const mp_obj_module_t mp_module_jni = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t*)&mp_module_jni_globals,
};