arkcompiler_ets_runtime/ecmascript/template_string.cpp
2023-07-06 10:12:07 +08:00

66 lines
3.3 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/template_string.h"
#include "ecmascript/ecma_vm.h"
#include "ecmascript/global_env.h"
#include "ecmascript/js_array.h"
#include "ecmascript/js_tagged_number.h"
#include "ecmascript/js_tagged_value.h"
#include "ecmascript/object_factory.h"
#include "ecmascript/template_map.h"
namespace panda::ecmascript {
JSHandle<JSTaggedValue> TemplateString::GetTemplateObject(JSThread *thread, JSHandle<JSTaggedValue> templateLiteral)
{
JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
JSHandle<JSTaggedValue> rawStringsTag = JSObject::GetProperty(thread, templateLiteral, 0).GetValue();
JSHandle<JSTaggedValue> templateMapTag = env->GetTemplateMap();
JSHandle<TemplateMap> templateMap(templateMapTag);
int32_t element = templateMap->FindEntry(rawStringsTag.GetTaggedValue());
if (element != -1) {
return JSHandle<JSTaggedValue>(thread, templateMap->GetValue(element));
}
JSHandle<JSTaggedValue> cookedStringsTag = JSObject::GetProperty(thread, templateLiteral, 1).GetValue();
JSHandle<JSArray> cookedStrings(cookedStringsTag);
uint32_t count = cookedStrings->GetArrayLength();
auto countNum = JSTaggedNumber(count);
JSHandle<JSTaggedValue> templateArr = JSArray::ArrayCreate(thread, countNum);
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSTaggedValue, thread);
JSHandle<JSTaggedValue> rawArr = JSArray::ArrayCreate(thread, countNum);
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSTaggedValue, thread);
JSHandle<JSObject> templateObj(templateArr);
JSHandle<JSObject> rawObj(rawArr);
for (uint32_t i = 0; i < count; i++) {
JSHandle<JSTaggedValue> cookedValue = JSObject::GetProperty(thread, cookedStringsTag, i).GetValue();
PropertyDescriptor descCooked(thread, cookedValue, true, false, false);
JSArray::DefineOwnProperty(thread, templateObj, i, descCooked);
JSHandle<JSTaggedValue> rawValue = JSObject::GetProperty(thread, rawStringsTag, i).GetValue();
PropertyDescriptor descRaw(thread, rawValue, true, false, false);
JSArray::DefineOwnProperty(thread, rawObj, i, descRaw);
}
JSObject::SetIntegrityLevel(thread, rawObj, IntegrityLevel::FROZEN);
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
JSHandle<JSTaggedValue> raw(factory->NewFromASCII("raw"));
PropertyDescriptor desc(thread, rawArr, false, false, false);
JSArray::DefineOwnProperty(thread, templateObj, raw, desc);
JSObject::SetIntegrityLevel(thread, templateObj, IntegrityLevel::FROZEN);
TemplateMap::Insert(thread, templateMap, rawStringsTag, templateArr);
env->SetTemplateMap(thread, templateMap.GetTaggedValue());
return templateArr;
}
} // namespace panda::ecmascript