1 /* 2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ECMASCRIPT_BASE_TYPED_ARRAY_HELPER_H 17 #define ECMASCRIPT_BASE_TYPED_ARRAY_HELPER_H 18 19 #include <string> 20 21 #include "ecmascript/base/builtins_base.h" 22 #include "ecmascript/js_dataview.h" 23 #include "ecmascript/js_typed_array.h" 24 #include "ecmascript/shared_objects/js_shared_typed_array.h" 25 26 #include "ecmascript/builtins/builtins_shared_typedarray.h" 27 #include "ecmascript/builtins/builtins_typedarray.h" 28 29 namespace panda::ecmascript::base { 30 enum ElementSize : uint8_t { ONE = 1, TWO = 2, FOUR = 4, EIGHT = 8 }; 31 32 enum class TypedArrayKind : uint8_t { 33 NON_SHARED = 0, 34 SHARED = 1 35 }; 36 37 template <TypedArrayKind typedArrayKind> 38 struct BuiltinsArrayBufferType {}; 39 40 class TypedArrayHelper { 41 public: 42 static JSTaggedValue TypedArrayConstructor(EcmaRuntimeCallInfo *argv, 43 const JSHandle<JSTaggedValue> &constructorName, 44 const DataViewType arrayType); 45 static JSTaggedValue SharedTypedArrayConstructor(EcmaRuntimeCallInfo *argv, 46 const JSHandle<JSTaggedValue> &constructorName, 47 const DataViewType arrayType); 48 static JSHandle<JSObject> AllocateTypedArray(JSThread *thread, 49 const JSHandle<JSTaggedValue> &constructorName, 50 const JSHandle<JSTaggedValue> &newTarget, 51 const DataViewType arrayType); 52 static JSHandle<JSObject> AllocateTypedArray(JSThread *thread, 53 const JSHandle<JSTaggedValue> &constructorName, 54 const JSHandle<JSTaggedValue> &newTarget, uint32_t length, 55 const DataViewType arrayType); 56 static JSHandle<JSObject> AllocateSharedTypedArray(JSThread *thread, 57 const JSHandle<JSTaggedValue> &constructorName, 58 const JSHandle<JSTaggedValue> &newTarget, 59 const DataViewType arrayType); 60 static JSHandle<JSObject> AllocateSharedTypedArray(JSThread *thread, 61 const JSHandle<JSTaggedValue> &constructorName, 62 const JSHandle<JSTaggedValue> &newTarget, uint32_t length, 63 const DataViewType arrayType); 64 template <TypedArrayKind typedArrayKind = TypedArrayKind::NON_SHARED> 65 static JSHandle<JSObject> TypedArraySpeciesCreate(JSThread *thread, const JSHandle<JSTypedArray> &obj, 66 uint32_t argc, JSTaggedType argv[]); 67 static JSHandle<JSObject> TypedArrayCreate(JSThread *thread, const JSHandle<JSTaggedValue> &constructor, 68 uint32_t argc, const JSTaggedType argv[]); 69 static JSHandle<JSObject> TypedArrayCreateSameType(JSThread *thread, const JSHandle<JSTypedArray> &obj, 70 uint32_t argc, JSTaggedType argv[]); 71 static JSTaggedValue ValidateTypedArray(JSThread *thread, const JSHandle<JSTaggedValue> &value); 72 inline static DataViewType GetType(const JSHandle<JSTypedArray> &obj); 73 inline static DataViewType GetType(JSType type); 74 inline static uint32_t GetElementSize(const JSHandle<JSTypedArray> &obj); 75 inline static uint32_t GetElementSize(JSType type); 76 inline static JSHandle<JSTaggedValue> GetConstructor(JSThread *thread, const JSHandle<JSTaggedValue> &obj); 77 inline static JSHandle<JSFunction> GetConstructorFromType(JSThread *thread, 78 const DataViewType arrayType); 79 inline static JSHandle<JSFunction> GetSharedConstructorFromType(JSThread *thread, 80 const DataViewType arrayType); 81 inline static JSHandle<JSTaggedValue> GetConstructorNameFromType(JSThread *thread, 82 const DataViewType arrayType); 83 inline static JSHandle<JSTaggedValue> GetSharedConstructorNameFromType(JSThread *thread, 84 const DataViewType arrayType); 85 inline static JSHandle<JSHClass> GetOnHeapHclassFromType( 86 JSThread *thread, const JSHandle<JSTypedArray> &obj, const DataViewType arrayType); 87 inline static JSHandle<JSHClass> GetNotOnHeapHclassFromType( 88 JSThread *thread, const JSHandle<JSTypedArray> &obj, const DataViewType arrayType); 89 inline static JSHandle<JSHClass> GetSharedOnHeapHclassFromType( 90 JSThread *thread, const JSHandle<JSTypedArray> &obj, const DataViewType arrayType); 91 inline static JSHandle<JSHClass> GetSharedNotOnHeapHclassFromType( 92 JSThread *thread, const JSHandle<JSSharedTypedArray> &obj, const DataViewType arrayType); 93 inline static uint32_t GetSizeFromType(const DataViewType arrayType); 94 inline static bool IsAccessorHasChanged(const JSHandle<JSTaggedValue> &obj); 95 static int32_t SortCompare(JSThread *thread, const JSHandle<JSTaggedValue> &callbackfnHandle, 96 const JSHandle<JSTaggedValue> &buffer, const JSHandle<JSTaggedValue> &firstValue, 97 const JSHandle<JSTaggedValue> &secondValue); 98 static bool IsNativeArrayIterator(JSThread *thread, 99 const JSHandle<JSTaggedValue> &obj, JSHandle<JSTaggedValue> &iterMethod); 100 static JSTaggedValue someCommon(EcmaRuntimeCallInfo *argv, JSHandle<JSTaggedValue> thisObjVal, int64_t len); 101 102 #define DEFINE_GET_ONHEAP_HCLASS_FROM_TYPE(Type) \ 103 inline static JSHandle<JSHClass> GetOnHeapHclass##Type(JSThread *thread, JSHClass* objHclass); 104 TYPED_ARRAY_TYPES(DEFINE_GET_ONHEAP_HCLASS_FROM_TYPE) 105 SHARED_TYPED_ARRAY_TYPES(DEFINE_GET_ONHEAP_HCLASS_FROM_TYPE) 106 #undef DEFINE_GET_ONHEAP_HCLASS_FROM_TYPE 107 108 #define DEFINE_GET_NOT_ONHEAP_HCLASS_FROM_TYPE(Type) \ 109 inline static JSHandle<JSHClass> GetNotOnHeapHclass##Type(JSThread *thread, JSHClass* objHclass); 110 TYPED_ARRAY_TYPES(DEFINE_GET_NOT_ONHEAP_HCLASS_FROM_TYPE) 111 SHARED_TYPED_ARRAY_TYPES(DEFINE_GET_NOT_ONHEAP_HCLASS_FROM_TYPE) 112 #undef DEFINE_GET_NOT_ONHEAP_HCLASS_FROM_TYPE 113 114 private: 115 template <TypedArrayKind typedArrayKind = TypedArrayKind::NON_SHARED> 116 static JSTaggedValue CreateFromOrdinaryObject(EcmaRuntimeCallInfo *argv, const JSHandle<JSObject> &obj, 117 const DataViewType arrayType); 118 static JSTaggedValue CreateFromTypedArray(EcmaRuntimeCallInfo *argv, const JSHandle<JSObject> &obj, 119 const DataViewType arrayType); 120 static JSTaggedValue CreateSharedFromTypedArray(EcmaRuntimeCallInfo *argv, const JSHandle<JSObject> &obj, 121 const DataViewType arrayType); 122 static JSTaggedValue CreateFromArrayBuffer(EcmaRuntimeCallInfo *argv, const JSHandle<JSObject> &obj, 123 const DataViewType arrayType); 124 static JSTaggedValue CreateFromSendableArrayBuffer(EcmaRuntimeCallInfo *argv, 125 const JSHandle<JSObject> &obj, 126 const DataViewType arrayType); 127 template <TypedArrayKind typedArrayKind = TypedArrayKind::NON_SHARED> 128 static JSHandle<JSObject> AllocateTypedArrayBuffer(JSThread *thread, const JSHandle<JSObject> &obj, 129 uint64_t length, const DataViewType arrayType); 130 template <TypedArrayKind typedArrayKind = TypedArrayKind::NON_SHARED> 131 static JSTaggedValue FastCopyElementFromArray(EcmaRuntimeCallInfo *argv, const JSHandle<JSObject> &obj, 132 const DataViewType arrayType); 133 }; 134 } // namespace panda::ecmascript::base 135 136 #endif // ECMASCRIPT_BASE_TYPED_ARRAY_HELPER_H 137