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https://gitee.com/openharmony/arkcompiler_ets_runtime
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93b2fdb032
Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I9D0L7 Signed-off-by: hzzhouzebin <zhouzebin1@huawei.com> Change-Id: I4625ed4531180b4a6db45d65c0ebaa7482a88a83
80 lines
4.2 KiB
C++
80 lines
4.2 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_BASE_ARRAY_HELPER_H
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#define ECMASCRIPT_BASE_ARRAY_HELPER_H
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#include <string>
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#include "ecmascript/base/builtins_base.h"
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#include "ecmascript/ecma_runtime_call_info.h"
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#include "ecmascript/js_tagged_value.h"
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namespace panda::ecmascript::base {
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struct FlattenArgs {
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int64_t sourceLen = 0;
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int64_t start = 0;
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double depth = 0;
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};
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enum class HolesType {
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SKIP_HOLES,
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READ_THROUGH_HOLES,
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};
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class ArrayHelper {
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public:
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// Common subprocedure for Array.prototype.at, Array.prototype.indexOf, Array.prototype.slice, etc.
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// Gets start index that falls in range [0, length].
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// length is returned on pending exception.
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static int64_t GetStartIndex(JSThread *thread, const JSHandle<JSTaggedValue> &startIndexHandle,
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int64_t length);
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// If argIndex is out of range [0, argc), then start index = 0 by default.
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// Otherwise, let startIndexHandle = GetCallArg(argv, argIndex) and call GetStartIndex.
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static int64_t GetStartIndexFromArgs(JSThread *thread, EcmaRuntimeCallInfo *argv,
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uint32_t argIndex, int64_t length);
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// Common subprocedure for Array.prototype.lastIndexOf, etc.
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// Gets last start index that falls in range [-1, length - 1].
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// -1 is returned on pending exception.
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static int64_t GetLastStartIndex(JSThread *thread, const JSHandle<JSTaggedValue> &startIndexHandle,
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int64_t length);
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// If argIndex is out of range [0, argc), then start index = length - 1 by default.
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// Otherwise, let startIndexHandle = GetCallArg(argv, argIndex) and call GetLastStartIndex.
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static int64_t GetLastStartIndexFromArgs(JSThread *thread, EcmaRuntimeCallInfo *argv,
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uint32_t argIndex, int64_t length);
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// Let thisHandle be the array object. Checks whether array[key] (if exists) is strictly equal to target.
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// Returns false on pending exception.
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static bool ElementIsStrictEqualTo(JSThread *thread, const JSHandle<JSTaggedValue> &thisHandle,
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const JSHandle<JSTaggedValue> &keyHandle,
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const JSHandle<JSTaggedValue> &target);
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static bool IsConcatSpreadable(JSThread *thread, const JSHandle<JSTaggedValue> &obj);
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static double SortCompare(JSThread *thread, const JSHandle<JSTaggedValue> &callbackfnHandle,
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const JSHandle<JSTaggedValue> &valueX, const JSHandle<JSTaggedValue> &valueY);
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static double StringSortCompare(JSThread *thread, const JSHandle<JSTaggedValue> &valueX,
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const JSHandle<JSTaggedValue> &valueY);
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static PUBLIC_API int64_t GetLength(JSThread *thread, const JSHandle<JSTaggedValue> &thisHandle);
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static int64_t GetArrayLength(JSThread *thread, const JSHandle<JSTaggedValue> &thisHandle);
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static JSTaggedValue FlattenIntoArray(JSThread *thread, const JSHandle<JSObject> &newArrayHandle,
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const JSHandle<JSTaggedValue> &thisObjVal, const FlattenArgs &args,
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const JSHandle<JSTaggedValue> &mapperFunctionHandle,
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const JSHandle<JSTaggedValue> &thisArg);
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static JSHandle<TaggedArray> SortIndexedProperties(JSThread *thread, const JSHandle<JSTaggedValue> &thisObj,
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int64_t len, const JSHandle<JSTaggedValue> &callbackFnHandle,
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HolesType holes);
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};
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} // namespace panda::ecmascript::base
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#endif // ECMASCRIPT_BASE_ARRAY_HELPER_H
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