Files
hjzhangcm 976b9c38c7 fix codex warning
Signed-off-by: hjzhangcm <zhanghaijun20@huawei.com>
2022-07-07 17:33:05 +08:00

1031 lines
40 KiB
C++

/*
* Copyright (c) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ecmascript/builtins/builtins_object.h"
#include "ecmascript/builtins/builtins_map.h"
#include "ecmascript/ecma_macros.h"
#include "ecmascript/global_env.h"
#include "ecmascript/interpreter/fast_runtime_stub-inl.h"
#include "ecmascript/interpreter/interpreter.h"
#include "ecmascript/js_array.h"
#include "ecmascript/js_function.h"
#include "ecmascript/js_handle.h"
#include "ecmascript/js_primitive_ref.h"
#include "ecmascript/js_realm.h"
#include "ecmascript/object_factory.h"
namespace panda::ecmascript::builtins {
// 19.1.1.1 Object ( [ value ] )
JSTaggedValue BuiltinsObject::ObjectConstructor(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, Constructor);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
auto ecmaVm = thread->GetEcmaVM();
JSHandle<GlobalEnv> env = ecmaVm->GetGlobalEnv();
// 1.If NewTarget is neither undefined nor the active function, then
// a.Return OrdinaryCreateFromConstructor(NewTarget, "%ObjectPrototype%").
JSHandle<JSTaggedValue> constructor = GetConstructor(argv);
JSHandle<JSTaggedValue> newTarget = GetNewTarget(argv);
if (!newTarget->IsUndefined() && !(newTarget.GetTaggedValue() == constructor.GetTaggedValue())) {
JSHandle<JSObject> obj =
ecmaVm->GetFactory()->NewJSObjectByConstructor(JSHandle<JSFunction>(constructor), newTarget);
return obj.GetTaggedValue();
}
// 2.If value is null, undefined or not supplied, return ObjectCreate(%ObjectPrototype%).
JSHandle<JSTaggedValue> value = GetCallArg(argv, 0);
if (value->IsNull() || value->IsUndefined()) {
JSHandle<JSObject> obj = ecmaVm->GetFactory()->OrdinaryNewJSObjectCreate(env->GetObjectFunctionPrototype());
return obj.GetTaggedValue();
}
// 3.Return ToObject(value).
return JSTaggedValue::ToObject(thread, value).GetTaggedValue();
}
// 19.1.2.1 Object.assign ( target, ...sources )
JSTaggedValue BuiltinsObject::Assign(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, Assign);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
int32_t numArgs = argv->GetArgsNumber();
// 1.Let to be ToObject(target).
JSHandle<JSTaggedValue> target = GetCallArg(argv, 0);
JSHandle<JSObject> toAssign = JSTaggedValue::ToObject(thread, target);
// 2.ReturnIfAbrupt(to).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3.If only one argument was passed, return to.
// 4.Let sources be the List of argument values starting with the second argument.
// 5.For each element nextSource of sources, in ascending index order
// a.If nextSource is undefined or null, let keys be an empty List.
// b.Else,
// i.Let from be ToObject(nextSource).
// ii.Let keys be from.[[OwnPropertyKeys]]().
// iii.ReturnIfAbrupt(keys).
JSMutableHandle<JSTaggedValue> key(thread, JSTaggedValue::Undefined());
for (int32_t i = 1; i < numArgs; i++) {
JSHandle<JSTaggedValue> source = GetCallArg(argv, i);
if (!source->IsNull() && !source->IsUndefined()) {
JSHandle<JSObject> from = JSTaggedValue::ToObject(thread, source);
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
JSHandle<TaggedArray> keys = JSTaggedValue::GetOwnPropertyKeys(thread, JSHandle<JSTaggedValue>::Cast(from));
// ReturnIfAbrupt(keys)
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// c.Repeat for each element nextKey of keys in List order,
// i.Let desc be from.[[GetOwnProperty]](nextKey).
// ii.ReturnIfAbrupt(desc).
// iii.if desc is not undefined and desc.[[Enumerable]] is true, then
// 1.Let propValue be Get(from, nextKey).
// 2.ReturnIfAbrupt(propValue).
// 3.Let status be Set(to, nextKey, propValue, true).
// 4.ReturnIfAbrupt(status).
uint32_t keysLen = keys->GetLength();
for (uint32_t j = 0; j < keysLen; j++) {
PropertyDescriptor desc(thread);
key.Update(keys->Get(j));
bool success = JSTaggedValue::GetOwnProperty(thread, JSHandle<JSTaggedValue>::Cast(from), key, desc);
// ReturnIfAbrupt(desc)
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
if (success && desc.IsEnumerable()) {
JSTaggedValue value =
FastRuntimeStub::FastGetPropertyByValue(thread, from.GetTaggedValue(), key.GetTaggedValue());
// ReturnIfAbrupt(prop_value)
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
FastRuntimeStub::FastSetPropertyByValue(thread, toAssign.GetTaggedValue(), key.GetTaggedValue(),
value);
// ReturnIfAbrupt(status)
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
}
}
}
}
// 6.Return to.
return toAssign.GetTaggedValue();
}
// Runtime Semantics
JSTaggedValue BuiltinsObject::ObjectDefineProperties(JSThread *thread, const JSHandle<JSTaggedValue> &obj,
const JSHandle<JSTaggedValue> &prop)
{
BUILTINS_API_TRACE(thread, Object, DefineProperties);
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
// 1.If Type(O) is not Object, throw a TypeError exception.
if (!obj->IsECMAObject()) {
// throw a TypeError exception
THROW_TYPE_ERROR_AND_RETURN(thread, "is not an object", JSTaggedValue::Exception());
}
// 2.Let props be ToObject(Properties).
JSHandle<JSObject> props = JSTaggedValue::ToObject(thread, prop);
// 3.ReturnIfAbrupt(props).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 4.Let keys be props.[[OwnPropertyKeys]]().
JSHandle<TaggedArray> handleKeys = JSTaggedValue::GetOwnPropertyKeys(thread, JSHandle<JSTaggedValue>::Cast(props));
// 5.ReturnIfAbrupt(keys).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 6.Let descriptors be an empty List.
// new an empty array and append
uint32_t length = handleKeys->GetLength();
[[maybe_unused]] JSHandle<TaggedArray> descriptors =
factory->NewTaggedArray(2 * length); // 2: 2 means two element list
// 7.Repeat for each element nextKey of keys in List order,
// a.Let propDesc be props.[[GetOwnProperty]](nextKey).
// b.ReturnIfAbrupt(propDesc).
// c.If propDesc is not undefined and propDesc.[[Enumerable]] is true, then
// i.Let descObj be Get( props, nextKey).
// ii.ReturnIfAbrupt(descObj).
// iii.Let desc be ToPropertyDescriptor(descObj).
// iv.ReturnIfAbrupt(desc).
// v.Append the pair (a two element List) consisting of nextKey and desc to the end of descriptors.
JSMutableHandle<JSTaggedValue> handleKey(thread, JSTaggedValue::Undefined());
for (uint32_t i = 0; i < length; i++) {
PropertyDescriptor propDesc(thread);
handleKey.Update(handleKeys->Get(i));
bool success = JSTaggedValue::GetOwnProperty(thread, JSHandle<JSTaggedValue>::Cast(props), handleKey, propDesc);
// ReturnIfAbrupt(propDesc)
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
if (success && propDesc.IsEnumerable()) {
JSHandle<JSTaggedValue> descObj =
JSTaggedValue::GetProperty(thread, JSHandle<JSTaggedValue>::Cast(props), handleKey).GetValue();
// ReturnIfAbrupt(descObj)
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
PropertyDescriptor desc(thread);
JSObject::ToPropertyDescriptor(thread, descObj, desc);
// ReturnIfAbrupt(desc)
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 8.For each pair from descriptors in list order,
// a.Let P be the first element of pair.
// b.Let desc be the second element of pair.
// c.Let status be DefinePropertyOrThrow(O,P, desc).
// d.ReturnIfAbrupt(status).
[[maybe_unused]] bool setSuccess = JSTaggedValue::DefinePropertyOrThrow(thread, obj, handleKey, desc);
// ReturnIfAbrupt(status)
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
}
}
// 9.Return O.
return obj.GetTaggedValue();
}
// 19.1.2.2 Object.create ( O [ , Properties ] )
JSTaggedValue BuiltinsObject::Create(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, Create);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1.If Type(O) is neither Object nor Null, throw a TypeError exception.
JSHandle<JSTaggedValue> obj = GetCallArg(argv, 0);
if (!obj->IsECMAObject() && !obj->IsNull()) {
// throw a TypeError exception
THROW_TYPE_ERROR_AND_RETURN(thread, "Create: O is neither Object nor Null", JSTaggedValue::Exception());
}
JSHandle<JSTaggedValue> properties = GetCallArg(argv, 1);
// 2.Let obj be ObjectCreate(O).
JSHandle<JSObject> objCreate = thread->GetEcmaVM()->GetFactory()->OrdinaryNewJSObjectCreate(obj);
// 3.If the argument Properties is present and not undefined, then
// a.Return ObjectDefineProperties(obj, Properties).
if (!properties->IsUndefined()) {
return ObjectDefineProperties(thread, JSHandle<JSTaggedValue>::Cast(objCreate), properties);
}
// 4.Return obj.
return objCreate.GetTaggedValue();
}
// 19.1.2.3 Object.defineProperties ( O, Properties )
JSTaggedValue BuiltinsObject::DefineProperties(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, DefineProperties);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1.Return ObjectDefineProperties(O, Properties).
return ObjectDefineProperties(thread, GetCallArg(argv, 0), GetCallArg(argv, 1));
}
// 19.1.2.4 Object.defineProperty ( O, P, Attributes )
JSTaggedValue BuiltinsObject::DefineProperty(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, DefineProperty);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1.If Type(O) is not Object, throw a TypeError exception.
JSHandle<JSTaggedValue> obj = GetCallArg(argv, 0);
if (!obj->IsECMAObject()) {
// throw a TypeError
THROW_TYPE_ERROR_AND_RETURN(thread, "DefineProperty: O is not Object", JSTaggedValue::Exception());
}
// 2.Let key be ToPropertyKey(P).
JSHandle<JSTaggedValue> prop = GetCallArg(argv, 1);
JSHandle<JSTaggedValue> key = JSTaggedValue::ToPropertyKey(thread, prop);
// 3.ReturnIfAbrupt(key).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 4.Let desc be ToPropertyDescriptor(Attributes).
PropertyDescriptor desc(thread);
JSObject::ToPropertyDescriptor(thread, GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD), desc);
// 5.ReturnIfAbrupt(desc).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 6.Let success be DefinePropertyOrThrow(O,key, desc).
[[maybe_unused]] bool success = JSTaggedValue::DefinePropertyOrThrow(thread, obj, key, desc);
// 7.ReturnIfAbrupt(success).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 8.Return O.
return obj.GetTaggedValue();
}
// 19.1.2.5 Object.freeze ( O )
JSTaggedValue BuiltinsObject::Freeze(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, Freeze);
// 1.If Type(O) is not Object, return O.
JSHandle<JSTaggedValue> obj = GetCallArg(argv, 0);
if (!obj->IsECMAObject()) {
return obj.GetTaggedValue();
}
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 2.Let status be SetIntegrityLevel( O, "frozen").
bool status = JSObject::SetIntegrityLevel(thread, JSHandle<JSObject>(obj), IntegrityLevel::FROZEN);
// 3.ReturnIfAbrupt(status).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 4.If status is false, throw a TypeError exception.
if (!status) {
// throw a TypeError exception
THROW_TYPE_ERROR_AND_RETURN(thread, "Freeze: freeze failed", JSTaggedValue::Exception());
}
// 5.Return O.
return obj.GetTaggedValue();
}
// 19.1.2.6 Object.getOwnPropertyDescriptor ( O, P )
JSTaggedValue BuiltinsObject::GetOwnPropertyDescriptor(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, GetOwnPropertyDescriptor);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1.Let obj be ToObject(O).
JSHandle<JSTaggedValue> func = GetCallArg(argv, 0);
JSHandle<JSObject> handle = JSTaggedValue::ToObject(thread, func);
// 2.ReturnIfAbrupt(obj).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3.Let key be ToPropertyKey(P).
JSHandle<JSTaggedValue> prop = GetCallArg(argv, 1);
JSHandle<JSTaggedValue> key = JSTaggedValue::ToPropertyKey(thread, prop);
// 4.ReturnIfAbrupt(key).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 5.Let desc be obj.[[GetOwnProperty]](key).
PropertyDescriptor desc(thread);
JSTaggedValue::GetOwnProperty(thread, JSHandle<JSTaggedValue>::Cast(handle), key, desc);
// 6.ReturnIfAbrupt(desc).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 7.Return FromPropertyDescriptor(desc).
JSHandle<JSTaggedValue> res = JSObject::FromPropertyDescriptor(thread, desc);
return res.GetTaggedValue();
}
// Runtime Semantics
JSTaggedValue BuiltinsObject::GetOwnPropertyKeys(JSThread *thread, const JSHandle<JSTaggedValue> &object,
const KeyType &type)
{
BUILTINS_API_TRACE(thread, Object, GetOwnPropertyKeys);
// 1.Let obj be ToObject(O).
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
JSHandle<JSObject> obj = JSTaggedValue::ToObject(thread, object);
// 2.ReturnIfAbrupt(obj).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3.Let keys be obj.[[OwnPropertyKeys]]().
JSHandle<TaggedArray> handleKeys = JSTaggedValue::GetOwnPropertyKeys(thread, JSHandle<JSTaggedValue>::Cast(obj));
// 4.ReturnIfAbrupt(keys).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 5.Let nameList be a new empty List.
// new an empty array and append
uint32_t length = handleKeys->GetLength();
JSHandle<TaggedArray> nameList = factory->NewTaggedArray(length);
// 6.Repeat for each element nextKey of keys in List order,
uint32_t copyLength = 0;
switch (type) {
case KeyType::STRING_TYPE: {
for (uint32_t i = 0; i < length; i++) {
JSTaggedValue key = handleKeys->Get(i);
if (key.IsString()) {
nameList->Set(thread, copyLength, key);
copyLength++;
}
}
break;
}
case KeyType::SYMBOL_TYPE: {
for (uint32_t i = 0; i < length; i++) {
JSTaggedValue key = handleKeys->Get(i);
if (key.IsSymbol()) {
nameList->Set(thread, copyLength, key);
copyLength++;
}
}
break;
}
default:
break;
}
// 7.Return CreateArrayFromList(nameList).
JSHandle<TaggedArray> resultList = factory->CopyArray(nameList, length, copyLength);
JSHandle<JSArray> resultArray = JSArray::CreateArrayFromList(thread, resultList);
return resultArray.GetTaggedValue();
}
// 19.1.2.7 Object.getOwnPropertyNames ( O )
JSTaggedValue BuiltinsObject::GetOwnPropertyNames(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, GetOwnPropertyNames);
[[maybe_unused]] EcmaHandleScope handleScope(argv->GetThread());
JSHandle<JSTaggedValue> obj = GetCallArg(argv, 0);
KeyType type = KeyType::STRING_TYPE;
// 1.Return GetOwnPropertyKeys(O, String).
return GetOwnPropertyKeys(argv->GetThread(), obj, type);
}
// 19.1.2.8 Object.getOwnPropertySymbols ( O )
JSTaggedValue BuiltinsObject::GetOwnPropertySymbols(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, GetOwnPropertySymbols);
[[maybe_unused]] EcmaHandleScope handleScope(argv->GetThread());
JSHandle<JSTaggedValue> obj = GetCallArg(argv, 0);
KeyType type = KeyType::SYMBOL_TYPE;
// 1.Return GetOwnPropertyKeys(O, Symbol).
return GetOwnPropertyKeys(argv->GetThread(), obj, type);
}
// 19.1.2.9 Object.getPrototypeOf ( O )
JSTaggedValue BuiltinsObject::GetPrototypeOf(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, GetPrototypeOf);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1.Let obj be ToObject(O).
JSHandle<JSTaggedValue> func = GetCallArg(argv, 0);
JSHandle<JSObject> obj = JSTaggedValue::ToObject(thread, func);
// 2.ReturnIfAbrupt(obj).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3.Return obj.[[GetPrototypeOf]]().
return JSTaggedValue::GetPrototype(thread, JSHandle<JSTaggedValue>(obj));
}
// 19.1.2.10 Object.is ( value1, value2 )
JSTaggedValue BuiltinsObject::Is(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, Is);
// 1.Return SameValue(value1, value2).
bool result = JSTaggedValue::SameValue(GetCallArg(argv, 0), GetCallArg(argv, 1));
return GetTaggedBoolean(result);
}
// 19.1.2.11 Object.isExtensible ( O )
JSTaggedValue BuiltinsObject::IsExtensible(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
JSThread *thread = argv->GetThread();
// 1.If Type(O) is not Object, return false.
JSTaggedValue obj = GetCallArg(argv, 0).GetTaggedValue();
if (!obj.IsHeapObject()) {
return GetTaggedBoolean(false);
}
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 2.Return IsExtensible(O).
return GetTaggedBoolean(obj.IsExtensible(thread));
}
// 19.1.2.12 Object.isFrozen ( O )
JSTaggedValue BuiltinsObject::IsFrozen(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
// 1.If Type(O) is not Object, return true.
JSHandle<JSTaggedValue> obj = GetCallArg(argv, 0);
if (!obj->IsECMAObject()) {
return GetTaggedBoolean(true);
}
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 2.Return TestIntegrityLevel(O, "frozen").
bool status = JSObject::TestIntegrityLevel(thread, JSHandle<JSObject>(obj), IntegrityLevel::FROZEN);
return GetTaggedBoolean(status);
}
// 19.1.2.13 Object.isSealed ( O )
JSTaggedValue BuiltinsObject::IsSealed(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
// 1.If Type(O) is not Object, return true.
JSHandle<JSTaggedValue> obj = GetCallArg(argv, 0);
if (!obj->IsECMAObject()) {
return GetTaggedBoolean(true);
}
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 2.Return TestIntegrityLevel(O, "sealed").
bool status = JSObject::TestIntegrityLevel(thread, JSHandle<JSObject>(obj), IntegrityLevel::SEALED);
return GetTaggedBoolean(status);
}
// 19.1.2.14 Object.keys(O)
JSTaggedValue BuiltinsObject::Keys(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, Keys);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1. Let obj be ToObject(O).
JSHandle<JSTaggedValue> msg = GetCallArg(argv, 0);
JSHandle<JSObject> obj = JSTaggedValue::ToObject(thread, msg);
// 2. ReturnIfAbrupt(obj).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3. Let nameList be EnumerableOwnNames(obj).
JSHandle<TaggedArray> nameList = JSObject::EnumerableOwnNames(thread, obj);
// 4. ReturnIfAbrupt(nameList).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 5. Return CreateArrayFromList(nameList).
JSHandle<JSArray> result = JSArray::CreateArrayFromList(thread, nameList);
return result.GetTaggedValue();
}
// 20.1.2.22 Object.values(O)
JSTaggedValue BuiltinsObject::Values(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
JSThread *thread = argv->GetThread();
BUILTINS_API_TRACE(thread, Object, Values);
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1. Let obj be ToObject(O).
JSHandle<JSTaggedValue> msg = GetCallArg(argv, 0);
JSHandle<JSObject> obj = JSTaggedValue::ToObject(thread, msg);
// 2. ReturnIfAbrupt(obj).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3. Let nameList be ? EnumerableOwnPropertyNames(obj, value).
JSHandle<TaggedArray> nameList = JSObject::EnumerableOwnPropertyNames(thread, obj, PropertyKind::VALUE);
// 4. ReturnIfAbrupt(nameList).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 5. Return CreateArrayFromList(nameList).
JSHandle<JSArray> result = JSArray::CreateArrayFromList(thread, nameList);
return result.GetTaggedValue();
}
// 19.1.2.15 Object.preventExtensions(O)
JSTaggedValue BuiltinsObject::PreventExtensions(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, PreventExtensions);
// 1. If Type(O) is not Object, return O.
JSHandle<JSTaggedValue> obj = GetCallArg(argv, 0);
if (!obj->IsECMAObject()) {
return obj.GetTaggedValue();
}
[[maybe_unused]] EcmaHandleScope handleScope(argv->GetThread());
// 2. Let status be O.[[PreventExtensions]]().
bool status = JSTaggedValue::PreventExtensions(argv->GetThread(), obj);
// 3. ReturnIfAbrupt(status).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(argv->GetThread());
// 4. If status is false, throw a TypeError exception.
if (!status) {
// throw a TypeError exception.
THROW_TYPE_ERROR_AND_RETURN(argv->GetThread(), "PreventExtensions: preventExtensions failed",
JSTaggedValue::Exception());
}
// 5. Return O.
return obj.GetTaggedValue();
}
// 19.1.2.16 Object.prototype
// 19.1.2.17 Object.seal(O)
JSTaggedValue BuiltinsObject::Seal(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, Seal);
// 1. If Type(O) is not Object, return O.
JSHandle<JSTaggedValue> msg = GetCallArg(argv, 0);
if (!msg->IsECMAObject()) {
return msg.GetTaggedValue();
}
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 2. Let status be SetIntegrityLevel(O, "sealed").
JSHandle<JSObject> object = JSTaggedValue::ToObject(thread, msg);
bool status = JSObject::SetIntegrityLevel(thread, object, IntegrityLevel::SEALED);
// 3. ReturnIfAbrupt(status).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 4. If status is false, throw a TypeError exception.
if (!status) {
// throw a TypeError exception.
THROW_TYPE_ERROR_AND_RETURN(argv->GetThread(), "Seal: seal failed", JSTaggedValue::Exception());
}
// 5. Return O.
return object.GetTaggedValue();
}
// 19.1.2.18 Object.setPrototypeOf(O, proto)
JSTaggedValue BuiltinsObject::SetPrototypeOf(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, SetPrototypeOf);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1. Let O be RequireObjectCoercible(O).
JSHandle<JSTaggedValue> object = JSTaggedValue::RequireObjectCoercible(thread, GetCallArg(argv, 0));
// 2. ReturnIfAbrupt(O).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3. If Type(proto) is neither Object nor Null, throw a TypeError exception.
JSHandle<JSTaggedValue> proto = GetCallArg(argv, 1);
if (!proto->IsNull() && !proto->IsECMAObject()) {
// throw a TypeError exception.
THROW_TYPE_ERROR_AND_RETURN(thread, "SetPrototypeOf: proto is neither Object nor Null",
JSTaggedValue::Exception());
}
// 4. If Type(O) is not Object, return O.
if (!object->IsECMAObject()) {
return object.GetTaggedValue();
}
// 5. Let status be O.[[SetPrototypeOf]](proto).
bool status = JSTaggedValue::SetPrototype(thread, object, proto);
// 6. ReturnIfAbrupt(status).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 7. If status is false, throw a TypeError exception.
if (!status) {
// throw a TypeError exception.
THROW_TYPE_ERROR_AND_RETURN(thread, "SetPrototypeOf: prototype set failed", JSTaggedValue::Exception());
}
// 8. Return O.
return object.GetTaggedValue();
}
// 19.1.3.1 Object.prototype.constructor
// 19.1.3.2 Object.prototype.hasOwnProperty(V)
JSTaggedValue BuiltinsObject::HasOwnProperty(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, HasOwnProperty);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1. Let P be ToPropertyKey(V).
JSHandle<JSTaggedValue> prop = GetCallArg(argv, 0);
JSHandle<JSTaggedValue> property = JSTaggedValue::ToPropertyKey(thread, prop);
// 2. ReturnIfAbrupt(P).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3. Let O be ToObject(this value).
JSHandle<JSObject> object = JSTaggedValue::ToObject(thread, GetThis(argv));
// 4. ReturnIfAbrupt(O).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 5. Return HasOwnProperty(O, P).
bool res = JSTaggedValue::HasOwnProperty(thread, JSHandle<JSTaggedValue>::Cast(object), property);
return GetTaggedBoolean(res);
}
// 19.1.3.3 Object.prototype.isPrototypeOf(V)
JSTaggedValue BuiltinsObject::IsPrototypeOf(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, IsPrototypeOf);
JSThread *thread = argv->GetThread();
// 1. If Type(V) is not Object, return false.
JSHandle<JSTaggedValue> msg = GetCallArg(argv, 0);
if (!msg->IsECMAObject()) {
return GetTaggedBoolean(false);
}
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 2. Let O be ToObject(this value).
JSHandle<JSObject> object = JSTaggedValue::ToObject(thread, GetThis(argv));
// 3. ReturnIfAbrupt(O).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 4. Repeat
// a. Let V be V.[[GetPrototypeOf]]().
// b. If V is null, return false
// c. If SameValue(O, V) is true, return true.
JSMutableHandle<JSTaggedValue> msgValueHandle(thread, msg.GetTaggedValue());
while (!msgValueHandle->IsNull()) {
if (JSTaggedValue::SameValue(object.GetTaggedValue(), msgValueHandle.GetTaggedValue())) {
return GetTaggedBoolean(true);
}
msgValueHandle.Update(JSTaggedValue::GetPrototype(thread, msgValueHandle));
}
return GetTaggedBoolean(false);
}
// 19.1.3.4 Object.prototype.propertyIsEnumerable(V)
JSTaggedValue BuiltinsObject::PropertyIsEnumerable(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
// 1. Let P be ToPropertyKey(V).
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
JSHandle<JSTaggedValue> msg = GetCallArg(argv, 0);
JSHandle<JSTaggedValue> property = JSTaggedValue::ToPropertyKey(thread, msg);
// 2. ReturnIfAbrupt(P).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3. Let O be ToObject(this value).
JSHandle<JSObject> object = JSTaggedValue::ToObject(thread, GetThis(argv));
// 4. ReturnIfAbrupt(O).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 5. Let desc be O.[[GetOwnProperty]](P).
PropertyDescriptor desc(thread);
JSTaggedValue::GetOwnProperty(thread, JSHandle<JSTaggedValue>::Cast(object), property, desc);
// 6. ReturnIfAbrupt(desc).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 7. If desc is undefined, return false.
if (desc.IsEmpty()) {
return GetTaggedBoolean(false);
}
// 8. Return the value of desc.[[Enumerable]].
return GetTaggedBoolean(desc.IsEnumerable());
}
// 19.1.3.5 Object.prototype.toLocaleString([reserved1[, reserved2]])
JSTaggedValue BuiltinsObject::ToLocaleString(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, ToLocaleString);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1. Let O be the this value.
JSHandle<JSTaggedValue> object = GetThis(argv);
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 2. Return Invoke(O, "toString").
JSHandle<JSTaggedValue> calleeKey = thread->GlobalConstants()->GetHandledToStringString();
const int32_t argsLength = argv->GetArgsNumber();
JSHandle<JSTaggedValue> undefined = thread->GlobalConstants()->GetHandledUndefined();
EcmaRuntimeCallInfo *info = EcmaInterpreter::NewRuntimeCallInfo(thread, undefined, object, undefined, argsLength);
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
info->SetCallArg(argsLength, 0, argv, 0);
return JSFunction::Invoke(info, calleeKey);
}
JSTaggedValue BuiltinsObject::GetBuiltinTag(JSThread *thread, const JSHandle<JSObject> &object)
{
BUILTINS_API_TRACE(thread, Object, GetBuiltinTag);
// 4. Let isArray be IsArray(O).
bool isArray = object->IsJSArray();
// 5. ReturnIfAbrupt(isArray).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
JSHandle<EcmaString> builtinTag = factory->NewFromASCII("Object");
// 6. If isArray is true, let builtinTag be "Array".
if (isArray) {
builtinTag = factory->NewFromASCII("Array");
} else if (object->IsJSPrimitiveRef()) {
// 7. Else, if O is an exotic String object, let builtinTag be "String".
JSPrimitiveRef *primitiveRef = JSPrimitiveRef::Cast(*object);
if (primitiveRef->IsString()) {
builtinTag = factory->NewFromASCII("String");
} else if (primitiveRef->IsBoolean()) {
// 11. Else, if O has a [[BooleanData]] internal slot, let builtinTag be "Boolean".
builtinTag = factory->NewFromASCII("Boolean");
} else if (primitiveRef->IsNumber()) {
// 12. Else, if O has a [[NumberData]] internal slot, let builtinTag be "Number".
builtinTag = factory->NewFromASCII("Number");
}
} else if (object->IsArguments()) {
builtinTag = factory->NewFromASCII("Arguments");
} else if (object->IsCallable()) {
builtinTag = factory->NewFromASCII("Function");
} else if (object->IsJSError()) {
builtinTag = JSHandle<EcmaString>::Cast(thread->GlobalConstants()->GetHandledErrorString());
} else if (object->IsDate()) {
builtinTag = factory->NewFromASCII("Date");
} else if (object->IsJSRegExp()) {
builtinTag = factory->NewFromASCII("RegExp");
}
// 15. Else, let builtinTag be "Object".
return builtinTag.GetTaggedValue();
}
// 19.1.3.6 Object.prototype.toString()
JSTaggedValue BuiltinsObject::ToString(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, ToString);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1. If the this value is undefined, return "[object Undefined]".
JSHandle<JSTaggedValue> msg = GetThis(argv);
if (msg->IsUndefined()) {
return GetTaggedString(thread, "[object Undefined]");
}
// 2. If the this value is null, return "[object Null]".
if (msg->IsNull()) {
return GetTaggedString(thread, "[object Null]");
}
// 3. Let O be ToObject(this value).
JSHandle<JSObject> object = JSTaggedValue::ToObject(thread, GetThis(argv));
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
JSHandle<JSTaggedValue> builtinTag(thread, GetBuiltinTag(thread, object));
// 16. Let tag be Get (O, @@toStringTag).
auto ecmaVm = thread->GetEcmaVM();
JSHandle<GlobalEnv> env = ecmaVm->GetGlobalEnv();
auto factory = ecmaVm->GetFactory();
JSHandle<JSTaggedValue> tag = JSTaggedValue::GetProperty(thread, msg, env->GetToStringTagSymbol()).GetValue();
// 17. ReturnIfAbrupt(tag).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 18. If Type(tag) is not String, let tag be builtinTag.
if (!tag->IsString()) {
tag = builtinTag;
}
// 19. Return the String that is the result of concatenating "[object ", tag, and "]".
JSHandle<EcmaString> leftString(factory->NewFromASCII("[object "));
JSHandle<EcmaString> rightString(factory->NewFromASCII("]"));
JSHandle<EcmaString> newLeftStringHandle =
factory->ConcatFromString(leftString, JSTaggedValue::ToString(thread, tag));
auto result = factory->ConcatFromString(newLeftStringHandle, rightString);
return result.GetTaggedValue();
}
// 19.1.3.7 Object.prototype.valueOf()
JSTaggedValue BuiltinsObject::ValueOf(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, ValueOf);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1. Return ToObject(this value).
JSHandle<JSObject> object = JSTaggedValue::ToObject(thread, GetThis(argv));
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
return object.GetTaggedValue();
}
// B.2.2.1 Object.prototype.__proto__
JSTaggedValue BuiltinsObject::ProtoGetter(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, ProtoGetter);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1.Let obj be ToObject(this value).
JSHandle<JSObject> obj = JSTaggedValue::ToObject(thread, GetThis(argv));
// 2.ReturnIfAbrupt(obj).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3.Return obj.[[GetPrototypeOf]]().
return JSTaggedValue::GetPrototype(thread, JSHandle<JSTaggedValue>(obj));
}
JSTaggedValue BuiltinsObject::ProtoSetter(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, ProtoSetter);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1. Let O be RequireObjectCoercible(this value).
JSHandle<JSTaggedValue> obj = JSTaggedValue::RequireObjectCoercible(thread, GetThis(argv));
// 2. ReturnIfAbrupt(O).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3. If Type(proto) is neither Object nor Null, return undefined..
JSHandle<JSTaggedValue> proto = GetCallArg(argv, 0);
if (!proto->IsNull() && !proto->IsECMAObject()) {
return JSTaggedValue::Undefined();
}
// 4. If Type(O) is not Object, return undefined.
if (!obj->IsECMAObject()) {
return JSTaggedValue::Undefined();
}
// 5. Let status be O.[[SetPrototypeOf]](proto).
bool status = JSTaggedValue::SetPrototype(thread, obj, proto);
// 6. ReturnIfAbrupt(status).
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 7. If status is false, throw a TypeError exception.
if (!status) {
// throw a TypeError exception.
THROW_TYPE_ERROR_AND_RETURN(thread, "ProtoSetter: proto set failed", JSTaggedValue::Exception());
}
// 8. Return O.
return JSTaggedValue::Undefined();
}
JSTaggedValue BuiltinsObject::CreateRealm(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
JSHandle<JSRealm> realm = factory->NewJSRealm();
return realm.GetTaggedValue();
}
JSTaggedValue BuiltinsObject::Entries(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
BUILTINS_API_TRACE(argv->GetThread(), Object, ToString);
JSThread *thread = argv->GetThread();
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1. Let obj be ? ToObject(O).
JSHandle<JSTaggedValue> obj = GetCallArg(argv, 0);
JSHandle<JSObject> object = JSTaggedValue::ToObject(thread, obj);
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 2. Let nameList be ? EnumerableOwnPropertyNames(obj, key+value).
JSHandle<TaggedArray> nameList = JSObject::EnumerableOwnPropertyNames(thread, object, PropertyKind::KEY_VALUE);
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 3. Return CreateArrayFromList(nameList).
return JSArray::CreateArrayFromList(thread, nameList).GetTaggedValue();
}
JSTaggedValue BuiltinsObject::FromEntries(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
JSThread *thread = argv->GetThread();
BUILTINS_API_TRACE(thread, Object, FromEntries);
[[maybe_unused]] EcmaHandleScope handleScope(thread);
JSHandle<JSTaggedValue> iterable = GetCallArg(argv, 0);
// 1. Perform ? RequireObjectCoercible(iterable).
if (iterable->IsUndefined() || iterable->IsNull()) {
THROW_TYPE_ERROR_AND_RETURN(thread, "iterable is undefined or null", JSTaggedValue::Exception());
}
// 2. Let obj be ! OrdinaryObjectCreate(%Object.prototype%).
// 3. Assert: obj is an extensible ordinary object with no own properties.
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
JSHandle<JSTaggedValue> constructor = env->GetObjectFunction();
JSHandle<JSObject> obj = factory->NewJSObjectByConstructor(JSHandle<JSFunction>(constructor), constructor);
// 4. Let stepsDefine be the algorithm steps defined in CreateDataPropertyOnObject Functions.
// 5. Let lengthDefine be the number of non-optional parameters of the function definition in
// CreateDataPropertyOnObject Functions.
// 6. Let adder be ! CreateBuiltinFunction(stepsDefine, lengthDefine, "", « »).
JSMethod* method = factory->GetMethodByIndex(MethodIndex::BUILTINS_OBJECT_CREATE_DATA_PROPERTY_ON_OBJECT_FUNCTIONS);
JSHandle<JSFunction> addrFunc =
factory->NewJSFunction(env, method, FunctionKind::NORMAL_FUNCTION);
JSHandle<JSTaggedValue> adder(thread, addrFunc.GetTaggedValue());
// 7. Return ? AddEntriesFromIterable(obj, iterable, adder).
return BuiltinsMap::AddEntriesFromIterable(thread, obj, iterable, adder, factory);
}
JSTaggedValue BuiltinsObject::CreateDataPropertyOnObjectFunctions(EcmaRuntimeCallInfo *argv)
{
ASSERT(argv);
JSThread *thread = argv->GetThread();
BUILTINS_API_TRACE(thread, Object, CreateDataPropertyOnObjectFunctions);
[[maybe_unused]] EcmaHandleScope handleScope(thread);
// 1. Let O be the this value.
JSHandle<JSTaggedValue> thisHandle = GetThis(argv);
JSHandle<JSObject> thisObjHandle = JSHandle<JSObject>::Cast(thisHandle);
// 2. Assert: Type(O) is Object.
// 3. Assert: O is an extensible ordinary object.
ASSERT(thisHandle->IsHeapObject());
JSHandle<JSTaggedValue> key = GetCallArg(argv, 0);
JSHandle<JSTaggedValue> value = GetCallArg(argv, 1);
// 4. Let propertyKey be ? ToPropertyKey(key).
JSHandle<JSTaggedValue> propertyKey = JSTaggedValue::ToPropertyKey(thread, key);
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
// 5. Perform ! CreateDataPropertyOrThrow(O, propertyKey, value).
JSObject::CreateDataPropertyOrThrow(thread, thisObjHandle, propertyKey, value);
// 6. Return undefined.
return JSTaggedValue::Undefined();
}
} // namespace panda::ecmascript::builtins