1 /* 2 * Copyright (c) 2021 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_BUILTINS_BUILTINS_DATAVIEW_H 17 #define ECMASCRIPT_BUILTINS_BUILTINS_DATAVIEW_H 18 19 #include "ecmascript/base/builtins_base.h" 20 #include "ecmascript/js_dataview.h" 21 22 // List of functions in DataView, excluding the constructor and '@@' properties. 23 // V(name, func, length, stubIndex) 24 // where BuiltinsDataView::func refers to the native implementation of DataView.prototype[name]. 25 // kungfu::BuiltinsStubCSigns::stubIndex refers to the builtin stub index, or INVALID if no stub available. 26 #define BUILTIN_DATA_VIEW_PROTOTYPE_FUNCTIONS(V) \ 27 /* For %Type% of 1 byte: */ \ 28 /* DataView.prototype.get%Type% ( byteOffset ) */ \ 29 /* For %Type% of 2 or more bytes: */ \ 30 /* DataView.prototype.get%Type% ( byteOffset [ , littleEndian ] ) */ \ 31 V("getFloat32", GetFloat32, 1, DataViewGetFloat32 ) \ 32 V("getFloat64", GetFloat64, 1, DataViewGetFloat64 ) \ 33 V("getInt8", GetInt8, 1, DataViewGetInt8 ) \ 34 V("getInt16", GetInt16, 1, DataViewGetInt16 ) \ 35 V("getInt32", GetInt32, 1, DataViewGetInt32 ) \ 36 V("getBigInt64", GetBigInt64, 1, INVALID ) \ 37 V("getUint16", GetUint16, 1, DataViewGetUint16 ) \ 38 V("getUint32", GetUint32, 1, DataViewGetUint32 ) \ 39 V("getUint8", GetUint8, 1, DataViewGetUint8 ) \ 40 V("getBigUint64", GetBigUint64, 1, INVALID ) \ 41 /* For %Type% of 1 bytes: */ \ 42 /* DataView.prototype.setInt8 ( byteOffset, value ) */ \ 43 /* For %Type% of 2 or more bytes: */ \ 44 /* DataView.prototype.setInt16 ( byteOffset, value [ , littleEndian ] ) */ \ 45 V("setFloat32", SetFloat32, 2, DataViewSetFloat32) \ 46 V("setFloat64", SetFloat64, 2, DataViewSetFloat64) \ 47 V("setInt8", SetInt8, 2, DataViewSetInt8) \ 48 V("setInt16", SetInt16, 2, DataViewSetInt16) \ 49 V("setInt32", SetInt32, 2, DataViewSetInt32) \ 50 V("setBigInt64", SetBigInt64, 2, INVALID) \ 51 V("setUint8", SetUint8, 2, DataViewSetUint8) \ 52 V("setUint16", SetUint16, 2, DataViewSetUint16) \ 53 V("setUint32", SetUint32, 2, DataViewSetUint32) \ 54 V("setBigUint64", SetBigUint64, 2, INVALID) 55 56 namespace panda::ecmascript::builtins { 57 using DataViewType = ecmascript::DataViewType; 58 class BuiltinsDataView : public base::BuiltinsBase { 59 public: 60 // 24.2.2.1 DataView (buffer [ , byteOffset [ , byteLength ] ] ) 61 static JSTaggedValue DataViewConstructor(EcmaRuntimeCallInfo *argv); 62 // 24.2.4.1 get DataView.prototype.buffer 63 static JSTaggedValue GetBuffer(EcmaRuntimeCallInfo *argv); 64 // 24.2.4.2 get DataView.prototype.byteLength 65 static JSTaggedValue GetByteLength(EcmaRuntimeCallInfo *argv); 66 // 24.2.4.3 get DataView.prototype.byteOffset 67 static JSTaggedValue GetOffset(EcmaRuntimeCallInfo *argv); 68 // 24.2.4.5 DataView.prototype.getFloat32 ( byteOffset [ , littleEndian ] ) 69 static JSTaggedValue GetFloat32(EcmaRuntimeCallInfo *argv); 70 // 24.2.4.6 DataView.prototype.getFloat64 ( byteOffset [ , littleEndian ] ) 71 static JSTaggedValue GetFloat64(EcmaRuntimeCallInfo *argv); 72 // 24.2.4.7 DataView.prototype.getInt8 ( byteOffset ) 73 static JSTaggedValue GetInt8(EcmaRuntimeCallInfo *argv); 74 // 24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] ) 75 static JSTaggedValue GetInt16(EcmaRuntimeCallInfo *argv); 76 // 24.2.4.9 DataView.prototype.getInt32 ( byteOffset [ , littleEndian ] ) 77 static JSTaggedValue GetInt32(EcmaRuntimeCallInfo *argv); 78 // 24.2.4.10 DataView.prototype.getUint8 ( byteOffset ) 79 static JSTaggedValue GetUint8(EcmaRuntimeCallInfo *argv); 80 // 24.2.4.11 DataView.prototype.getUint16 ( byteOffset [ , littleEndian ] ) 81 static JSTaggedValue GetUint16(EcmaRuntimeCallInfo *argv); 82 // 24.2.4.12 DataView.prototype.getUint32 ( byteOffset [ , littleEndian ] ) 83 static JSTaggedValue GetUint32(EcmaRuntimeCallInfo *argv); 84 // 25.3.4.5 DataView.prototype.getBigInt64 ( byteOffset [ , littleEndian ] ) 85 static JSTaggedValue GetBigInt64(EcmaRuntimeCallInfo *argv); 86 // 25.3.4.6 DataView.prototype.getBigUint64 ( byteOffset [ , littleEndian ] ) 87 static JSTaggedValue GetBigUint64(EcmaRuntimeCallInfo *argv); 88 // 24.2.4.13 DataView.prototype.setFloat32 ( byteOffset, value [ , littleEndian ] ) 89 static JSTaggedValue SetFloat32(EcmaRuntimeCallInfo *argv); 90 // 24.2.4.14 DataView.prototype.setFloat64 ( byteOffset, value [ , littleEndian ] ) 91 static JSTaggedValue SetFloat64(EcmaRuntimeCallInfo *argv); 92 // 24.2.4.15 DataView.prototype.setInt8 ( byteOffset, value ) 93 static JSTaggedValue SetInt8(EcmaRuntimeCallInfo *argv); 94 // 24.2.4.16 DataView.prototype.setInt16 ( byteOffset, value [ , littleEndian ] ) 95 static JSTaggedValue SetInt16(EcmaRuntimeCallInfo *argv); 96 // 24.2.4.17 DataView.prototype.setInt32 ( byteOffset, value [ , littleEndian ] ) 97 static JSTaggedValue SetInt32(EcmaRuntimeCallInfo *argv); 98 // 24.2.4.18 DataView.prototype.setUint8 ( byteOffset, value ) 99 static JSTaggedValue SetUint8(EcmaRuntimeCallInfo *argv); 100 // 24.2.4.19 DataView.prototype.setUint16( byteOffset, value [ , littleEndian ] ) 101 static JSTaggedValue SetUint16(EcmaRuntimeCallInfo *argv); 102 // 24.2.4.20 DataView.prototype.setUint32 ( byteOffset, value [ , littleEndian ] ) 103 static JSTaggedValue SetUint32(EcmaRuntimeCallInfo *argv); 104 // 25.3.4.15 DataView.prototype.setBigInt64 ( byteOffset, value [ , littleEndian ] ) 105 static JSTaggedValue SetBigInt64(EcmaRuntimeCallInfo *argv); 106 // 25.3.4.16 DataView.prototype.setBigUint64 ( byteOffset, value [ , littleEndian ] ) 107 static JSTaggedValue SetBigUint64(EcmaRuntimeCallInfo *argv); 108 109 // Excluding the '@@' internal properties. GetDataViewPrototypeFunctions()110 static Span<const base::BuiltinFunctionEntry> GetDataViewPrototypeFunctions() 111 { 112 return Span<const base::BuiltinFunctionEntry>(DATA_VIEW_PROTOTYPE_FUNCTIONS); 113 } 114 GetNumPrototypeInlinedProperties()115 static size_t GetNumPrototypeInlinedProperties() 116 { 117 // 5 : 5 more inline properties in DataView.prototype: 118 // (1) DataView.prototype.constructor 119 // (2) DataView.prototype [ @@toStringTag ] 120 // (3) get buffer 121 // (4) get byteLength 122 // (5) get byteOffset 123 return GetDataViewPrototypeFunctions().Size() + 5; 124 } 125 126 private: 127 #define BUILTIN_DATA_VIEW_FUNCTION_ENTRY(name, func, length, id) \ 128 base::BuiltinFunctionEntry::Create(name, BuiltinsDataView::func, length, kungfu::BuiltinsStubCSigns::id), 129 130 static constexpr std::array DATA_VIEW_PROTOTYPE_FUNCTIONS = { 131 BUILTIN_DATA_VIEW_PROTOTYPE_FUNCTIONS(BUILTIN_DATA_VIEW_FUNCTION_ENTRY) 132 }; 133 134 #undef BUILTIN_DATA_VIEW_FUNCTION_ENTRY 135 136 // 24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type ) 137 static JSTaggedValue GetViewValue(JSThread *thread, const JSHandle<JSTaggedValue> &view, 138 const JSHandle<JSTaggedValue> &requestIndex, 139 const JSHandle<JSTaggedValue> &littleEndian, 140 DataViewType type); 141 static JSTaggedValue SetViewValue(JSThread *thread, const JSHandle<JSTaggedValue> &view, 142 const JSHandle<JSTaggedValue> &requestIndex, 143 const JSHandle<JSTaggedValue> &littleEndian, 144 DataViewType type, const JSHandle<JSTaggedValue> &value); 145 146 static JSTaggedValue GetTypedValue(EcmaRuntimeCallInfo *argv, DataViewType type); 147 static JSTaggedValue SetTypedValue(EcmaRuntimeCallInfo *argv, DataViewType type); 148 }; 149 } // namespace panda::ecmascript::builtins 150 151 #endif // ECMASCRIPT_BUILTINS_BUILTINS_DATAVIEW_H 152