mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-11-23 10:09:54 +00:00
08fd62a8fb
Issue: #IAPMR7 Change-Id: Ie128d64a1454129ec322a9ec38a8b28a6bdf46b8 Signed-off-by: yingguofeng@huawei.com <yingguofeng@huawei.com>
217 lines
12 KiB
C++
217 lines
12 KiB
C++
/*
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* Copyright (c) 2021-2022 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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#ifndef ECMASCRIPT_JSPANDAFILE_CLASS_INFO_EXTRACTOR_H
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#define ECMASCRIPT_JSPANDAFILE_CLASS_INFO_EXTRACTOR_H
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#include <vector>
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#include "ecmascript/js_tagged_value-inl.h"
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#include "ecmascript/js_tagged_value.h"
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#include "ecmascript/js_tagged_value_internals.h"
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#include "ecmascript/jspandafile/method_literal.h"
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#include "ecmascript/property_attributes.h"
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namespace panda::ecmascript {
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// ClassInfoExtractor will analyze and extract the contents from class literal to keys, properties and elements(both
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// non-static and static), later generate the complete hclass (both prototype and constructor) based on keys.
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// Attention: keys accessor stores the property key and properties accessor stores the property value, but elements
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// accessor stores the key-value pair abuttally.
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using EntityId = panda_file::File::EntityId;
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enum class FieldType {
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NONE = 0,
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NUMBER = (1 << 0),
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STRING = (1 << 1),
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BOOLEAN = (1 << 2),
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TS_TYPE_REF = (1 << 3),
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BIG_INT = (1 << 4),
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GENERIC = (1 << 5),
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NULL_TYPE = (1 << 6),
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UNDEFINED = (1 << 7),
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};
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class ClassInfoExtractor : public TaggedObject {
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public:
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static constexpr uint8_t NON_STATIC_RESERVED_LENGTH = 1;
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static constexpr uint8_t STATIC_RESERVED_LENGTH = 3;
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static constexpr uint8_t CONSTRUCTOR_INDEX = 0;
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static constexpr uint8_t LENGTH_INDEX = 0;
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static constexpr uint8_t NAME_INDEX = 1;
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static constexpr uint8_t PROTOTYPE_INDEX = 2;
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struct ExtractContentsDetail {
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uint32_t extractBegin;
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uint32_t extractEnd;
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uint8_t fillStartLoc;
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MethodLiteral *methodLiteral;
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};
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CAST_CHECK(ClassInfoExtractor, IsClassInfoExtractor);
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static void BuildClassInfoExtractorFromLiteral(JSThread *thread, JSHandle<ClassInfoExtractor> &extractor,
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const JSHandle<TaggedArray> &literal,
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uint32_t length,
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ClassKind kind = ClassKind::NON_SENDABLE);
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static JSHandle<JSHClass> CreatePrototypeHClass(JSThread *thread,
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JSHandle<TaggedArray> &keys,
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JSHandle<TaggedArray> &properties);
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static JSHandle<JSHClass> CreateConstructorHClass(JSThread *thread, const JSHandle<JSTaggedValue> &base,
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JSHandle<TaggedArray> &keys,
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JSHandle<TaggedArray> &properties);
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static JSHandle<JSHClass> CreateSendableHClass(JSThread *thread, JSHandle<TaggedArray> &keys,
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JSHandle<TaggedArray> &properties, bool isProtoClass,
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uint32_t extraLength = 0);
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static void CorrectConstructorHClass(JSThread *thread,
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JSHandle<TaggedArray> &properties,
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JSHClass *constructorHClass);
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static constexpr size_t PROTOTYPE_HCLASS_OFFSET = TaggedObjectSize();
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ACCESSORS(NonStaticKeys, PROTOTYPE_HCLASS_OFFSET, NON_STATIC_PROPERTIES_OFFSET)
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ACCESSORS(NonStaticProperties, NON_STATIC_PROPERTIES_OFFSET, NON_STATIC_ELEMENTS_OFFSET)
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ACCESSORS(NonStaticElements, NON_STATIC_ELEMENTS_OFFSET, CONSTRUCTOR_HCLASS_OFFSET)
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ACCESSORS(StaticKeys, CONSTRUCTOR_HCLASS_OFFSET, STATIC_PROPERTIES_OFFSET)
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ACCESSORS(StaticProperties, STATIC_PROPERTIES_OFFSET, STATIC_ELEMENTS_OFFSET)
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ACCESSORS(StaticElements, STATIC_ELEMENTS_OFFSET, CONSTRUCTOR_METHOD_OFFSET)
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ACCESSORS(ConstructorMethod, CONSTRUCTOR_METHOD_OFFSET, BIT_FIELD_OFFSET)
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ACCESSORS_BIT_FIELD(BitField, BIT_FIELD_OFFSET, LAST_OFFSET)
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DEFINE_ALIGN_SIZE(LAST_OFFSET);
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// define BitField
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static constexpr size_t NON_STATIC_BITS = 1;
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static constexpr size_t STATIC_BITS = 1;
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FIRST_BIT_FIELD(BitField, NonStaticWithElements, bool, NON_STATIC_BITS)
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NEXT_BIT_FIELD(BitField, StaticWithElements, bool, STATIC_BITS, NonStaticWithElements)
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DECL_VISIT_OBJECT(PROTOTYPE_HCLASS_OFFSET, BIT_FIELD_OFFSET)
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DECL_DUMP()
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private:
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static bool ExtractAndReturnWhetherWithElements(JSThread *thread, const JSHandle<TaggedArray> &literal,
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const ExtractContentsDetail &detail,
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JSHandle<TaggedArray> &keys, JSHandle<TaggedArray> &properties,
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JSHandle<TaggedArray> &elements,
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const JSPandaFile *jsPandaFile);
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};
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enum class ClassPropertyType : uint8_t { NON_STATIC = 0, STATIC };
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class ClassHelper {
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public:
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static JSHandle<JSFunction> DefineClassFromExtractor(JSThread *thread, const JSHandle<JSTaggedValue> &base,
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JSHandle<ClassInfoExtractor> &extractor,
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const JSHandle<JSTaggedValue> &lexenv);
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static JSHandle<JSFunction> DefineClassWithIHClass(JSThread *thread, const JSHandle<JSTaggedValue> &base,
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JSHandle<ClassInfoExtractor> &extractor,
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const JSHandle<JSTaggedValue> &lexenv,
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const JSHandle<JSTaggedValue> &prototypeOrHClassVal,
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const JSHandle<JSTaggedValue> &constructorHClassVal);
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static bool PUBLIC_API MatchFieldType(SharedFieldType fieldType, JSTaggedValue value);
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static CString StaticFieldTypeToString(uint32_t fieldType);
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private:
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static JSHandle<NameDictionary> BuildDictionaryProperties(JSThread *thread, const JSHandle<JSObject> &object,
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JSHandle<TaggedArray> &keys,
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JSHandle<TaggedArray> &properties, ClassPropertyType type,
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const JSHandle<JSTaggedValue> &lexenv);
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static JSHandle<JSFunction> CreateJSFunctionFromTemplate(JSThread *thread,
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const JSHandle<FunctionTemplate> &funcTemp,
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const JSHandle<JSObject> &homeObject,
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const JSHandle<JSTaggedValue> &lexenv);
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static void HandleElementsProperties(JSThread *thread, const JSHandle<JSObject> &object,
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const JSHandle<JSTaggedValue> &lexenv, JSHandle<TaggedArray> &elements);
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};
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class SendableClassDefiner : public ClassHelper {
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public:
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static JSHandle<JSFunction> DefineSendableClassFromExtractor(JSThread *thread,
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JSHandle<ClassInfoExtractor> &extractor,
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const JSHandle<TaggedArray> &fieldTypeArray);
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static void DefineSendableInstanceHClass(JSThread *thread, const JSHandle<TaggedArray> &fieldTypeArray,
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uint32_t length,
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const JSHandle<JSFunction> &ctor, const JSHandle<JSTaggedValue> &base);
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static JSHandle<TaggedArray> ExtractStaticFieldTypeArray(JSThread *thread,
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const JSHandle<TaggedArray> &fieldTypeArray);
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static void FilterDuplicatedKeys(JSThread *thread, const JSHandle<TaggedArray> &keys,
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const JSHandle<TaggedArray> &properties);
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static SharedFieldType FromTaggedValue(JSTaggedValue value)
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{
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if (value.IsNull()) {
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return SharedFieldType::NONE;
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} else if (value.IsNumber()) {
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return SharedFieldType::NUMBER;
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} else if (value.IsString()) {
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return SharedFieldType::STRING;
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} else if (value.IsBoolean()) {
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return SharedFieldType::BOOLEAN;
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} else if (value.IsJSSharedObject()) {
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return SharedFieldType::SENDABLE;
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} else {
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return SharedFieldType::NONE;
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}
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}
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static void PUBLIC_API AddFieldTypeToHClass(JSThread *thread, const JSHandle<TaggedArray> &fieldTypeArray,
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uint32_t length, const JSHandle<NameDictionary> &nameDict,
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const JSHandle<JSHClass> &hclass);
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static void PUBLIC_API AddFieldTypeToHClass(JSThread *thread, const JSHandle<TaggedArray> &fieldTypeArray,
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uint32_t length, const JSHandle<LayoutInfo> &layout, const JSHandle<JSHClass> &hclass,
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size_t start, const JSHandle<NumberDictionary> &elementsDic = JSHandle<NumberDictionary>(),
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std::vector<JSHandle<JSTaggedValue>> &&propertyList = std::vector<JSHandle<JSTaggedValue>>());
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private:
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static SharedFieldType FromFieldType(FieldType type)
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{
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return SharedFieldType(static_cast<uint32_t>(type));
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}
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static JSHandle<NameDictionary> BuildSendableDictionaryProperties(JSThread *thread,
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const JSHandle<JSObject> &object,
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JSHandle<TaggedArray> &keys,
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JSHandle<TaggedArray> &properties,
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ClassPropertyType type,
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const JSHandle<JSFunction> &ctor);
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static JSHandle<JSFunction> CreateSFunctionFromTemplate(JSThread *thread,
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const JSHandle<FunctionTemplate> &funcTemp,
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const JSHandle<JSObject> &homeObject,
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const JSHandle<JSTaggedValue> &lexenv);
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static void UpdateAccessorFunction(JSThread *thread, const JSMutableHandle<JSTaggedValue> &value,
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const JSHandle<JSTaggedValue> &homeObject, const JSHandle<JSFunction> &ctor);
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static void AddFieldTypeToDict(JSThread *thread, const JSHandle<TaggedArray> &fieldTypeArray, uint32_t length,
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JSMutableHandle<NameDictionary> &dict,
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PropertyAttributes attributes = PropertyAttributes::Default(true, true, false));
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static bool TryUpdateExistValue(JSThread *thread, JSMutableHandle<JSTaggedValue> &existValue,
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JSMutableHandle<JSTaggedValue> &value);
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static void TryUpdateValue(JSThread *thread, JSMutableHandle<JSTaggedValue> &value);
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static void UpdateValueToAccessor(JSThread *thread, JSMutableHandle<JSTaggedValue> &value,
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JSHandle<AccessorData> &accessor);
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static std::pair<uint32_t, uint32_t> GetSizeAndMaxInlineByType(JSType type);
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JSPANDAFILE_CLASS_INFO_EXTRACTOR_H
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