static nxt_int_t
lvlhsh_unit_test_add(nxt_lvlhsh_t *lh, const nxt_lvlhsh_proto_t *proto,
void *pool, uintptr_t key)
{
nxt_lvlhsh_query_t lhq;
lhq.key_hash = key;
lhq.replace = 0;
lhq.key.len = sizeof(uintptr_t);
lhq.key.data = (u_char *) &key;
lhq.value = (void *) key;
lhq.proto = proto;
lhq.pool = pool;
switch (nxt_lvlhsh_insert(lh, &lhq)) {
case NXT_OK:
return NXT_OK;
case NXT_DECLINED:
printf("lvlhsh unit test failed: key %08lX is already in hash\n",
(long) key);
default:
return NXT_ERROR;
}
}
njs_ret_t
njs_object_prototype_create(njs_vm_t *vm, njs_value_t *value)
{
int32_t index;
nxt_int_t ret;
njs_function_t *function;
njs_object_prop_t *prop;
nxt_lvlhsh_query_t lhq;
static const njs_value_t prototype = njs_string("prototype");
function = value->data.u.function;
index = function - vm->functions;
if (index < 0 && index > NJS_PROTOTYPE_MAX) {
vm->retval = njs_value_void;
return NXT_OK;
}
prop = njs_object_prop_alloc(vm, &prototype);
if (nxt_slow_path(prop == NULL)) {
return NXT_ERROR;
}
prop->value.data.u.object = &vm->prototypes[index];
prop->value.type = NJS_OBJECT;
prop->value.data.truth = 1;
prop->enumerable = 0;
prop->writable = 0;
prop->configurable = 0;
lhq.value = prop;
lhq.key_hash = NJS_PROTOTYPE_HASH;
lhq.key.len = sizeof("prototype") - 1;
lhq.key.data = (u_char *) "prototype";
lhq.replace = 0;
lhq.pool = vm->mem_cache_pool;
lhq.proto = &njs_object_hash_proto;
ret = nxt_lvlhsh_insert(&function->object.hash, &lhq);
if (nxt_fast_path(ret == NXT_OK)) {
vm->retval = prop->value;
}
/* TODO: exception NXT_ERROR. */
return ret;
}
nxt_int_t
njs_object_hash_create(njs_vm_t *vm, nxt_lvlhsh_t *hash,
const njs_object_prop_t *prop, nxt_uint_t n)
{
nxt_int_t ret;
nxt_lvlhsh_query_t lhq;
lhq.replace = 0;
lhq.proto = &njs_object_hash_proto;
lhq.pool = vm->mem_cache_pool;
do {
lhq.key.len = prop->name.short_string.size;
if (lhq.key.len != NJS_STRING_LONG) {
lhq.key.data = (u_char *) prop->name.short_string.start;
} else {
lhq.key.len = prop->name.data.string_size;
lhq.key.data = prop->name.data.u.string->start;
}
lhq.key_hash = nxt_djb_hash(lhq.key.data, lhq.key.len);
lhq.value = (void *) prop;
ret = nxt_lvlhsh_insert(hash, &lhq);
if (nxt_slow_path(ret != NXT_OK)) {
return NXT_ERROR;
}
prop++;
n--;
} while (n != 0);
return NXT_OK;
}
static njs_ret_t
njs_regexp_exec_result(njs_vm_t *vm, njs_regexp_t *regexp, u_char *string,
nxt_regex_match_data_t *match_data, nxt_uint_t utf8)
{
int *captures;
u_char *start;
int32_t size, length;
njs_ret_t ret;
nxt_uint_t i, n;
njs_array_t *array;
njs_object_prop_t *prop;
nxt_lvlhsh_query_t lhq;
static const njs_value_t njs_string_index = njs_string("index");
static const njs_value_t njs_string_input = njs_string("input");
array = njs_array_alloc(vm, regexp->pattern->ncaptures, 0);
if (nxt_slow_path(array == NULL)) {
goto fail;
}
captures = nxt_regex_captures(match_data);
for (i = 0; i < regexp->pattern->ncaptures; i++) {
n = 2 * i;
if (captures[n] != -1) {
start = &string[captures[n]];
size = captures[n + 1] - captures[n];
switch (utf8) {
case 0:
length = 0;
break;
case 1:
length = size;
break;
default:
length = nxt_utf8_length(start, size);
break;
}
ret = njs_regexp_string_create(vm, &array->start[i],
start, size, length);
if (nxt_slow_path(ret != NXT_OK)) {
goto fail;
}
} else {
array->start[i] = njs_value_void;
}
}
prop = njs_object_prop_alloc(vm, &njs_string_index);
if (nxt_slow_path(prop == NULL)) {
goto fail;
}
/* TODO: Non UTF-8 position */
njs_number_set(&prop->value, regexp->last_index + captures[0]);
if (regexp->pattern->global) {
regexp->last_index += captures[1];
}
lhq.key_hash = NJS_INDEX_HASH;
lhq.key.len = sizeof("index") - 1;
lhq.key.data = (u_char *) "index";
lhq.replace = 0;
lhq.value = prop;
lhq.pool = vm->mem_cache_pool;
lhq.proto = &njs_object_hash_proto;
ret = nxt_lvlhsh_insert(&array->object.hash, &lhq);
if (nxt_slow_path(ret != NXT_OK)) {
goto fail;
}
prop = njs_object_prop_alloc(vm, &njs_string_input);
if (nxt_slow_path(prop == NULL)) {
goto fail;
}
njs_string_copy(&prop->value, ®exp->string);
lhq.key_hash = NJS_INPUT_HASH;
lhq.key.len = sizeof("input") - 1;
lhq.key.data = (u_char *) "input";
lhq.value = prop;
ret = nxt_lvlhsh_insert(&array->object.hash, &lhq);
if (nxt_fast_path(ret == NXT_OK)) {
vm->retval.data.u.array = array;
vm->retval.type = NJS_ARRAY;
vm->retval.data.truth = 1;
ret = NXT_OK;
goto done;
}
fail:
ret = NXT_ERROR;
done:
nxt_regex_match_data_free(match_data, vm->regex_context);
return ret;
}
static njs_ret_t
njs_object_prototype_create_constructor(njs_vm_t *vm, njs_value_t *value)
{
int32_t index;
nxt_int_t ret;
njs_value_t *constructor;
njs_object_t *prototype;
njs_object_prop_t *prop;
nxt_lvlhsh_query_t lhq;
static const njs_value_t constructor_string = njs_string("constructor");
if (njs_is_object(value)) {
prototype = value->data.u.object;
do {
index = prototype - vm->prototypes;
if (index >= 0 && index < NJS_PROTOTYPE_MAX) {
goto found;
}
prototype = prototype->__proto__;
} while (prototype != NULL);
nxt_thread_log_alert("prototype not found");
return NXT_ERROR;
} else {
index = njs_primitive_prototype_index(value->type);
prototype = &vm->prototypes[index];
}
found:
prop = njs_object_prop_alloc(vm, &constructor_string);
if (nxt_slow_path(prop == NULL)) {
return NXT_ERROR;
}
/* GC */
constructor = &vm->scopes[NJS_SCOPE_GLOBAL][index];
prop->value = *constructor;
prop->enumerable = 0;
lhq.value = prop;
lhq.key_hash = NJS_CONSTRUCTOR_HASH;
lhq.key.len = sizeof("constructor") - 1;
lhq.key.data = (u_char *) "constructor";
lhq.replace = 0;
lhq.pool = vm->mem_cache_pool;
lhq.proto = &njs_object_hash_proto;
ret = nxt_lvlhsh_insert(&prototype->hash, &lhq);
if (nxt_fast_path(ret == NXT_OK)) {
vm->retval = *constructor;
}
return ret;
}
