jarray _Jv_NewPrimArray(java_lang_Class *eltype, jint count)
{
if (__builtin_expect(count < 0, false)) {
fprintf(stderr, "throw negative array size\n");
abort();
}
assert(eltype->vtable == (vtable_t*)-1);
int elsize = eltype->size_in_bytes;
assert(elsize > 0);
// TODO: check for overflow
size_t size = sizeof(array_header_t) + elsize * count;
array_header_t *result = calloc(1, size);
result->base.vptr = get_array_class(eltype)->vtable;
result->length = count;
return result;
}
jarray _Jv_NewObjectArray(jsize count, java_lang_Class *eltype, jobject init)
{
(void)eltype;
if (__builtin_expect(count < 0, false)) {
fprintf(stderr, "throw negative array size\n");
abort();
}
size_t elsize = sizeof(java_lang_Object*);
// TODO: check for overflow
size_t size = sizeof(array_header_t) + elsize * count;
array_header_t *result = malloc(size);
result->base.vptr = get_array_class(eltype)->vtable;
result->length = count;
java_lang_Object **data = get_array_data(java_lang_Object*, result);
for (jsize i = 0; i < count; ++i) {
data[i] = init;
}
return result;
}
ObjectPtr<Array> create_array_from_range(const Value* begin, const Value* end) {
ASSERT(begin <= end);
int32_t sz = (int32_t)(end - begin);
return create_object(get_array_class(), sz, begin);
}
ObjectPtr<Array> create_array() {
return create_object(get_array_class(), 0, NULL);
}
java_lang_Class *_Z17_Jv_GetArrayClassPN4java4lang5ClassEPNS0_11ClassLoaderE(
java_lang_Class *eltype, jobject loader)
{
(void)loader;
return get_array_class(eltype);
}
