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unix/modjni: Add array() top-level function to create Java array.

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Takes element primitive type encoded as a char per standard JNI encoding,
and array size. TODO: Support object arrays.
This commit is contained in:
Paul Sokolovsky 2016-09-17 16:14:02 +03:00
parent b9672bcbe8
commit ee324c501e
1 changed files with 41 additions and 0 deletions
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41
unix/modjni.c
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@ -654,6 +654,46 @@ STATIC mp_obj_t mod_jni_cls(mp_obj_t cls_name_in) {
}
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) {
const char *type = mp_obj_str_get_str(type_in);
mp_int_t size = mp_obj_get_int(size_in);
if (!env) {
create_jvm();
}
jobject res = NULL;
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);
}
@ -662,6 +702,7 @@ MP_DEFINE_CONST_FUN_OBJ_0(mod_jni_env_obj, mod_jni_env);
STATIC const mp_map_elem_t mp_module_jni_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_jni) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_cls), (mp_obj_t)&mod_jni_cls_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_array), (mp_obj_t)&mod_jni_array_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_env), (mp_obj_t)&mod_jni_env_obj },
};