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_JSPRIMITIVEREF_H 17 #define ECMASCRIPT_JSPRIMITIVEREF_H 18 19 #include "ecmascript/js_hclass.h" 20 #include "ecmascript/js_object.h" 21 #include "ecmascript/js_tagged_value-inl.h" 22 #include "ecmascript/tagged_array.h" 23 24 namespace panda::ecmascript { 25 enum class PrimitiveType : uint8_t { 26 PRIMITIVE_BOOLEAN = 0, 27 PRIMITIVE_NUMBER, 28 PRIMITIVE_STRING, 29 PRIMITIVE_SYMBOL, 30 PRIMITIVE_BIGINT, 31 }; 32 33 class JSPrimitiveRef : public JSObject { 34 public: 35 CAST_CHECK(JSPrimitiveRef, IsJSPrimitiveRef); 36 37 JSPrimitiveRef() = delete; 38 IsNumber()39 bool IsNumber() const 40 { 41 return GetValue().IsNumber(); 42 } 43 IsBigInt()44 bool IsBigInt() const 45 { 46 return GetValue().IsBigInt(); 47 } 48 IsInt()49 bool IsInt() const 50 { 51 return GetValue().IsInt(); 52 } 53 IsBoolean()54 bool IsBoolean() const 55 { 56 return GetValue().IsBoolean(); 57 } 58 IsString()59 bool IsString() const 60 { 61 return GetValue().IsString(); 62 } 63 IsSymbol()64 bool IsSymbol() const 65 { 66 return GetValue().IsSymbol(); 67 } 68 GetStringLength()69 uint32_t GetStringLength() const 70 { 71 ASSERT(IsString()); 72 return EcmaStringAccessor(GetValue()).GetLength(); 73 } 74 75 // ES6 9.4.3 String Exotic Objects 76 // ES6 9.4.3.4 StringCreate( value, prototype) 77 static JSHandle<JSPrimitiveRef> StringCreate(JSThread *thread, const JSHandle<JSTaggedValue> &value, 78 const JSHandle<JSTaggedValue> &newTarget); 79 static bool StringGetIndexProperty(const JSThread *thread, const JSHandle<JSObject> &obj, uint32_t index, 80 PropertyDescriptor *desc); 81 82 static constexpr size_t VALUE_OFFSET = JSObject::SIZE; 83 ACCESSORS(Value, VALUE_OFFSET, SIZE); 84 85 DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, VALUE_OFFSET, SIZE) 86 87 DECL_DUMP() 88 }; 89 } // namespace panda::ecmascript 90 91 #endif // ECMASCRIPT_JSPRIMITIVEREF_H 92