mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-08 00:24:00 +00:00
839f39e500
Signed-off-by: wengchangcheng <wengchangcheng@huawei.com> Change-Id: I2995dc75ed34e8eb2bf249f2cced62ec9d91250e
196 lines
7.9 KiB
C++
196 lines
7.9 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 "literal_data_extractor.h"
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#include "ecmascript/base/string_helper.h"
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#include "ecmascript/ecma_string.h"
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#include "ecmascript/js_thread.h"
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#include "ecmascript/tagged_array-inl.h"
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#include "libpandafile/literal_data_accessor-inl.h"
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namespace panda::ecmascript {
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using LiteralTag = panda_file::LiteralTag;
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using StringData = panda_file::StringData;
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using LiteralValue = panda_file::LiteralDataAccessor::LiteralValue;
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void LiteralDataExtractor::ExtractObjectDatas(JSThread *thread, const panda_file::File *pf, size_t index,
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JSMutableHandle<TaggedArray> elements,
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JSMutableHandle<TaggedArray> properties, PandaFileTranslator *pft)
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{
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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LOG_ECMA(DEBUG) << "Panda File" << pf->GetFilename();
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panda_file::File::EntityId literalArraysId = pf->GetLiteralArraysId();
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panda_file::LiteralDataAccessor lda(*pf, literalArraysId);
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uint32_t num = lda.GetLiteralValsNum(index) / 2; // 2: half
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elements.Update(factory->NewTaggedArray(num).GetTaggedValue());
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properties.Update(factory->NewTaggedArray(num).GetTaggedValue());
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uint32_t epos = 0;
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uint32_t ppos = 0;
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const uint8_t pairSize = 2;
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uint32_t methodId;
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FunctionKind kind;
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lda.EnumerateLiteralVals(
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index, [elements, properties, &epos, &ppos, factory, thread, pft, pf, &methodId, &kind]
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(const LiteralValue &value, const LiteralTag &tag) {
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JSTaggedValue jt = JSTaggedValue::Null();
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bool flag = false;
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switch (tag) {
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case LiteralTag::INTEGER: {
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jt = JSTaggedValue(std::get<uint32_t>(value));
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break;
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}
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case LiteralTag::DOUBLE: {
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jt = JSTaggedValue(std::get<double>(value));
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break;
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}
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case LiteralTag::BOOL: {
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jt = JSTaggedValue(std::get<bool>(value));
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break;
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}
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case LiteralTag::STRING: {
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StringData sd = pf->GetStringData(panda_file::File::EntityId(std::get<uint32_t>(value)));
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EcmaString *str = factory->GetRawStringFromStringTable(sd.data, sd.utf16_length, sd.is_ascii);
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jt = JSTaggedValue(str);
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uint32_t index = 0;
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if (JSTaggedValue::ToElementIndex(jt, &index) && ppos % pairSize == 0) {
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flag = true;
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}
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break;
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}
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case LiteralTag::METHOD: {
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ASSERT(pft != nullptr);
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methodId = std::get<uint32_t>(value);
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kind = FunctionKind::NORMAL_FUNCTION;
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break;
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}
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case LiteralTag::GENERATORMETHOD: {
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ASSERT(pft != nullptr);
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methodId = std::get<uint32_t>(value);
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kind = FunctionKind::GENERATOR_FUNCTION;
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break;
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}
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case LiteralTag::METHODAFFILIATE: {
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ASSERT(pft != nullptr);
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uint16_t length = std::get<uint16_t>(value);
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JSHandle<JSFunction> jsFunc = pft->DefineMethodInLiteral(thread, methodId, kind, length);
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jt = jsFunc.GetTaggedValue();
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break;
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}
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case LiteralTag::ACCESSOR: {
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JSHandle<AccessorData> accessor = factory->NewAccessorData();
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jt = JSTaggedValue(accessor.GetTaggedValue());
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break;
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}
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case LiteralTag::NULLVALUE: {
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break;
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}
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default: {
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UNREACHABLE();
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break;
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}
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}
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if (tag != LiteralTag::METHOD && tag != LiteralTag::GENERATORMETHOD) {
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if (epos % pairSize == 0 && !flag) {
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properties->Set(thread, ppos++, jt);
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} else {
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elements->Set(thread, epos++, jt);
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}
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}
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});
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}
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JSHandle<TaggedArray> LiteralDataExtractor::GetDatasIgnoreType(JSThread *thread, const panda_file::File *pf,
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size_t index, PandaFileTranslator *pft)
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{
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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LOG_ECMA(DEBUG) << "Panda File" << pf->GetFilename();
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panda_file::File::EntityId literalArraysId = pf->GetLiteralArraysId();
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panda_file::LiteralDataAccessor lda(*pf, literalArraysId);
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uint32_t num = lda.GetLiteralValsNum(index) / 2; // 2: half
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JSHandle<TaggedArray> literals = factory->NewTaggedArray(num);
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uint32_t pos = 0;
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uint32_t methodId;
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FunctionKind kind;
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lda.EnumerateLiteralVals(
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index, [literals, &pos, factory, thread, pft, pf, &methodId, &kind]
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(const panda_file::LiteralDataAccessor::LiteralValue &value, const LiteralTag &tag) {
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JSTaggedValue jt = JSTaggedValue::Null();
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switch (tag) {
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case LiteralTag::INTEGER: {
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jt = JSTaggedValue(std::get<uint32_t>(value));
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break;
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}
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case LiteralTag::DOUBLE: {
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jt = JSTaggedValue(std::get<double>(value));
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break;
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}
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case LiteralTag::BOOL: {
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jt = JSTaggedValue(std::get<bool>(value));
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break;
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}
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case LiteralTag::STRING: {
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StringData sd = pf->GetStringData(panda_file::File::EntityId(std::get<uint32_t>(value)));
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EcmaString *str = factory->GetRawStringFromStringTable(sd.data, sd.utf16_length, sd.is_ascii);
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jt = JSTaggedValue(str);
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break;
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}
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case LiteralTag::METHOD: {
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ASSERT(pft != nullptr);
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methodId = std::get<uint32_t>(value);
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kind = FunctionKind::NORMAL_FUNCTION;
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break;
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}
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case LiteralTag::GENERATORMETHOD: {
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ASSERT(pft != nullptr);
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methodId = std::get<uint32_t>(value);
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kind = FunctionKind::GENERATOR_FUNCTION;
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break;
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}
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case LiteralTag::METHODAFFILIATE: {
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ASSERT(pft != nullptr);
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uint16_t length = std::get<uint16_t>(value);
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JSHandle<JSFunction> jsFunc = pft->DefineMethodInLiteral(thread, methodId, kind, length);
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jt = jsFunc.GetTaggedValue();
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break;
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}
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case LiteralTag::ACCESSOR: {
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JSHandle<AccessorData> accessor = factory->NewAccessorData();
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jt = accessor.GetTaggedValue();
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break;
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}
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case LiteralTag::NULLVALUE: {
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break;
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}
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default: {
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UNREACHABLE();
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break;
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}
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}
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if (tag != LiteralTag::METHOD && tag != LiteralTag::GENERATORMETHOD) {
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literals->Set(thread, pos++, jt);
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} else {
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uint32_t oldLength = literals->GetLength();
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literals->Trim(thread, oldLength - 1);
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}
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});
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return literals;
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}
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} // namespace panda::ecmascript
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