mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 08:03:29 +00:00
b80c0196ca
Reduce redundant code by using predefined global constants instead of creating new constant strings Move all global constant strings into nonmovable space to improve code efficiency. Issues: https://gitee.com/openharmony/ark_js_runtime/issues/I588TY Signed-off-by: yaoyuan <yuanyao14@huawei.com> Change-Id: I1f92188175c3129c5d8cec72a0396f11ce17c1c7
166 lines
7.1 KiB
C++
166 lines
7.1 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ecmascript/builtins/builtins_weak_map.h"
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#include "ecmascript/builtins/builtins_map.h"
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#include "ecmascript/ecma_vm.h"
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#include "ecmascript/global_env.h"
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#include "ecmascript/interpreter/interpreter.h"
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#include "ecmascript/js_map_iterator.h"
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#include "ecmascript/js_weak_container.h"
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#include "ecmascript/linked_hash_table.h"
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#include "ecmascript/object_factory.h"
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namespace panda::ecmascript::builtins {
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JSTaggedValue BuiltinsWeakMap::WeakMapConstructor(EcmaRuntimeCallInfo *argv)
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{
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ASSERT(argv);
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BUILTINS_API_TRACE(argv->GetThread(), WeakMap, Constructor);
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JSThread *thread = argv->GetThread();
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[[maybe_unused]] EcmaHandleScope handleScope(thread);
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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// 1.If NewTarget is undefined, throw a TypeError exception
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JSHandle<JSTaggedValue> newTarget = GetNewTarget(argv);
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if (newTarget->IsUndefined()) {
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// throw type error
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THROW_TYPE_ERROR_AND_RETURN(thread, "new target can't be undefined", JSTaggedValue::Exception());
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}
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// 2.Let WeakMap be OrdinaryCreateFromConstructor(NewTarget, "%WeakMapPrototype%", «[[WeakMapData]]» ).
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JSHandle<JSTaggedValue> constructor = GetConstructor(argv);
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JSHandle<JSObject> obj = factory->NewJSObjectByConstructor(JSHandle<JSFunction>(constructor), newTarget);
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// 3.returnIfAbrupt()
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RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
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JSHandle<JSWeakMap> weakMap = JSHandle<JSWeakMap>::Cast(obj);
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// 4.Set weakmap’s [[WeakMapData]] internal slot to a new empty List.
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JSHandle<LinkedHashMap> linkedMap = LinkedHashMap::Create(thread);
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weakMap->SetLinkedMap(thread, linkedMap);
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// add data into set from iterable
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// 5.If iterable is not present, let iterable be undefined.
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// 6.If iterable is either undefined or null, let iter be undefined.
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JSHandle<JSTaggedValue> iterable = GetCallArg(argv, 0);
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// 8.If iter is undefined, return set
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if (iterable->IsUndefined() || iterable->IsNull()) {
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return weakMap.GetTaggedValue();
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}
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if (!iterable->IsECMAObject()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "iterable is not object", JSTaggedValue::Exception());
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}
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// Let adder be Get(weakMap, "set").
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JSHandle<JSTaggedValue> adderKey = thread->GlobalConstants()->GetHandledSetString();
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JSHandle<JSTaggedValue> adder =
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JSObject::GetProperty(thread, JSHandle<JSTaggedValue>(weakMap), adderKey).GetValue();
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// ReturnIfAbrupt(adder).
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RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, adder.GetTaggedValue());
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// If IsCallable(adder) is false, throw a TypeError exception
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if (!adder->IsCallable()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "adder is not callable", adder.GetTaggedValue());
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}
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return BuiltinsMap::AddEntriesFromIterable(thread, obj, iterable, adder, factory);
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}
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JSTaggedValue BuiltinsWeakMap::Delete(EcmaRuntimeCallInfo *argv)
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{
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ASSERT(argv);
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BUILTINS_API_TRACE(argv->GetThread(), WeakMap, Delete);
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JSThread *thread = argv->GetThread();
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[[maybe_unused]] EcmaHandleScope handleScope(thread);
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JSHandle<JSTaggedValue> self = GetThis(argv);
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// 2.If Type(S) is not Object, throw a TypeError exception.
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// 3.If S does not have a [[WeakMapData]] internal slot, throw a TypeError exception.
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if (!self->IsJSWeakMap()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "obj is not JSWeakMap.", JSTaggedValue::Exception());
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}
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JSHandle<JSWeakMap> weakMap(self);
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JSHandle<JSTaggedValue> key = GetCallArg(argv, 0);
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// 5.if Type(key) is not Object, return false.
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if (!key->IsHeapObject()) {
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return GetTaggedBoolean(false);
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}
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return GetTaggedBoolean(JSWeakMap::Delete(thread, weakMap, key));
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}
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JSTaggedValue BuiltinsWeakMap::Has(EcmaRuntimeCallInfo *argv)
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{
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ASSERT(argv);
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BUILTINS_API_TRACE(argv->GetThread(), WeakMap, Has);
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JSThread *thread = argv->GetThread();
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[[maybe_unused]] EcmaHandleScope handleScope(thread);
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JSHandle<JSTaggedValue> self(GetThis(argv));
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// 2.If Type(S) is not Object, throw a TypeError exception.
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// 3.If S does not have a [[WeakMapData]] internal slot, throw a TypeError exception.
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if (!self->IsJSWeakMap()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "obj is not JSWeakMap.", JSTaggedValue::Exception());
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}
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JSWeakMap *jsWeakMap = JSWeakMap::Cast(*JSTaggedValue::ToObject(thread, self));
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JSHandle<JSTaggedValue> key = GetCallArg(argv, 0);
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// 5.if Type(key) is not Object, return false.
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if (!key->IsHeapObject()) {
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return GetTaggedBoolean(false);
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}
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return GetTaggedBoolean(jsWeakMap->Has(key.GetTaggedValue()));
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}
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JSTaggedValue BuiltinsWeakMap::Get(EcmaRuntimeCallInfo *argv)
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{
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ASSERT(argv);
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BUILTINS_API_TRACE(argv->GetThread(), WeakMap, Get);
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JSThread *thread = argv->GetThread();
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[[maybe_unused]] EcmaHandleScope handleScope(thread);
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JSHandle<JSTaggedValue> self(GetThis(argv));
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// 2.If Type(S) is not Object, throw a TypeError exception.
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// 3.If S does not have a [[WeakMapData]] internal slot, throw a TypeError exception.
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if (!self->IsJSWeakMap()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "obj is not JSWeakMap.", JSTaggedValue::Exception());
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}
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JSWeakMap *jsWeakMap = JSWeakMap::Cast(*JSTaggedValue::ToObject(thread, self));
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JSHandle<JSTaggedValue> key = GetCallArg(argv, 0);
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if (!key->IsHeapObject()) {
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return JSTaggedValue::Undefined();
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}
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return jsWeakMap->Get(key.GetTaggedValue());
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}
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JSTaggedValue BuiltinsWeakMap::Set(EcmaRuntimeCallInfo *argv)
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{
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ASSERT(argv);
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BUILTINS_API_TRACE(argv->GetThread(), WeakMap, Set);
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JSThread *thread = argv->GetThread();
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[[maybe_unused]] EcmaHandleScope handleScope(thread);
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JSHandle<JSTaggedValue> self = GetThis(argv);
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// 2.If Type(S) is not Object, throw a TypeError exception.
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// 3.If S does not have a [[WeakMapData]] internal slot, throw a TypeError exception.
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if (!self->IsJSWeakMap()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "obj is not JSWeakMap.", JSTaggedValue::Exception());
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}
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JSHandle<JSTaggedValue> key = GetCallArg(argv, 0);
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if (!key->IsHeapObject()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "obj is not an object.", JSTaggedValue::Exception());
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}
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if (key->IsSymbol() || key->IsString()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "key is Symblol or String", JSTaggedValue::Exception());
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}
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JSHandle<JSTaggedValue> value = GetCallArg(argv, 1);
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JSHandle<JSWeakMap> map(self);
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JSWeakMap::Set(thread, map, key, value);
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return map.GetTaggedValue();
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}
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} // namespace panda::ecmascript::builtins
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