| 1 | /* | 
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| 2 | This file is part of the WebKit open source project. | 
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| 3 | This file has been generated by generate-bindings.pl. DO NOT MODIFY! | 
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| 4 |  | 
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| 5 | This library is free software; you can redistribute it and/or | 
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| 6 | modify it under the terms of the GNU Library General Public | 
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| 7 | License as published by the Free Software Foundation; either | 
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| 8 | version 2 of the License, or (at your option) any later version. | 
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| 9 |  | 
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| 10 | This library is distributed in the hope that it will be useful, | 
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 13 | Library General Public License for more details. | 
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| 14 |  | 
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| 15 | You should have received a copy of the GNU Library General Public License | 
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| 16 | along with this library; see the file COPYING.LIB.  If not, write to | 
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| 17 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 
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| 18 | Boston, MA 02110-1301, USA. | 
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| 19 | */ | 
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| 20 |  | 
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| 21 | #include "config.h" | 
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| 22 | #include "JSHTMLCollection.h" | 
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| 23 |  | 
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| 24 | #include "Element.h" | 
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| 25 | #include "JSDOMAbstractOperations.h" | 
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| 26 | #include "JSDOMAttribute.h" | 
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| 27 | #include "JSDOMBinding.h" | 
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| 28 | #include "JSDOMConstructorNotConstructable.h" | 
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| 29 | #include "JSDOMConvertInterface.h" | 
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| 30 | #include "JSDOMConvertNullable.h" | 
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| 31 | #include "JSDOMConvertNumbers.h" | 
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| 32 | #include "JSDOMConvertStrings.h" | 
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| 33 | #include "JSDOMExceptionHandling.h" | 
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| 34 | #include "JSDOMGlobalObject.h" | 
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| 35 | #include "JSDOMOperation.h" | 
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| 36 | #include "JSDOMWrapperCache.h" | 
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| 37 | #include "JSElement.h" | 
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| 38 | #include "JSNode.h" | 
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| 39 | #include "JSNodeCustom.h" | 
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| 40 | #include "Node.h" | 
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| 41 | #include "ScriptExecutionContext.h" | 
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| 42 | #include <JavaScriptCore/ArrayPrototype.h> | 
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| 43 | #include <JavaScriptCore/BuiltinNames.h> | 
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| 44 | #include <JavaScriptCore/FunctionPrototype.h> | 
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| 45 | #include <JavaScriptCore/HeapSnapshotBuilder.h> | 
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| 46 | #include <JavaScriptCore/JSCInlines.h> | 
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| 47 | #include <JavaScriptCore/PropertyNameArray.h> | 
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| 48 | #include <wtf/GetPtr.h> | 
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| 49 | #include <wtf/PointerPreparations.h> | 
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| 50 | #include <wtf/URL.h> | 
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| 51 |  | 
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| 52 |  | 
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| 53 | namespace WebCore { | 
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| 54 | using namespace JSC; | 
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| 55 |  | 
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| 56 | // Functions | 
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| 57 |  | 
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| 58 | JSC::EncodedJSValue JSC_HOST_CALL jsHTMLCollectionPrototypeFunctionItem(JSC::ExecState*); | 
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| 59 | JSC::EncodedJSValue JSC_HOST_CALL jsHTMLCollectionPrototypeFunctionNamedItem(JSC::ExecState*); | 
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| 60 |  | 
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| 61 | // Attributes | 
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| 62 |  | 
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| 63 | JSC::EncodedJSValue jsHTMLCollectionConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); | 
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| 64 | bool setJSHTMLCollectionConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue); | 
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| 65 | JSC::EncodedJSValue jsHTMLCollectionLength(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); | 
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| 66 |  | 
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| 67 | class JSHTMLCollectionPrototype : public JSC::JSNonFinalObject { | 
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| 68 | public: | 
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| 69 | using Base = JSC::JSNonFinalObject; | 
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| 70 | static JSHTMLCollectionPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure) | 
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| 71 | { | 
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| 72 | JSHTMLCollectionPrototype* ptr = new (NotNull, JSC::allocateCell<JSHTMLCollectionPrototype>(vm.heap)) JSHTMLCollectionPrototype(vm, globalObject, structure); | 
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| 73 | ptr->finishCreation(vm); | 
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| 74 | return ptr; | 
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| 75 | } | 
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| 76 |  | 
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| 77 | DECLARE_INFO; | 
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| 78 | static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype) | 
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| 79 | { | 
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| 80 | return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info()); | 
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| 81 | } | 
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| 82 |  | 
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| 83 | private: | 
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| 84 | JSHTMLCollectionPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure) | 
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| 85 | : JSC::JSNonFinalObject(vm, structure) | 
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| 86 | { | 
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| 87 | } | 
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| 88 |  | 
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| 89 | void finishCreation(JSC::VM&); | 
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| 90 | }; | 
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| 91 |  | 
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| 92 | using JSHTMLCollectionConstructor = JSDOMConstructorNotConstructable<JSHTMLCollection>; | 
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| 93 |  | 
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| 94 | template<> JSValue JSHTMLCollectionConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject) | 
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| 95 | { | 
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| 96 | UNUSED_PARAM(vm); | 
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| 97 | return globalObject.functionPrototype(); | 
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| 98 | } | 
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| 99 |  | 
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| 100 | template<> void JSHTMLCollectionConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject) | 
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| 101 | { | 
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| 102 | putDirect(vm, vm.propertyNames->prototype, JSHTMLCollection::prototype(vm, globalObject), JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); | 
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| 103 | putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String( "HTMLCollection"_s)), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); | 
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| 104 | putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); | 
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| 105 | } | 
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| 106 |  | 
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| 107 | template<> const ClassInfo JSHTMLCollectionConstructor::s_info = { "HTMLCollection", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSHTMLCollectionConstructor) }; | 
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| 108 |  | 
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| 109 | /* Hash table for prototype */ | 
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| 110 |  | 
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| 111 | static const HashTableValue JSHTMLCollectionPrototypeTableValues[] = | 
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| 112 | { | 
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| 113 | { "constructor", static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHTMLCollectionConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSHTMLCollectionConstructor) } }, | 
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| 114 | { "length", static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHTMLCollectionLength), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, | 
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| 115 | { "item", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsHTMLCollectionPrototypeFunctionItem), (intptr_t) (1) } }, | 
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| 116 | { "namedItem", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsHTMLCollectionPrototypeFunctionNamedItem), (intptr_t) (1) } }, | 
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| 117 | }; | 
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| 118 |  | 
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| 119 | const ClassInfo JSHTMLCollectionPrototype::s_info = { "HTMLCollectionPrototype", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSHTMLCollectionPrototype) }; | 
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| 120 |  | 
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| 121 | void JSHTMLCollectionPrototype::finishCreation(VM& vm) | 
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| 122 | { | 
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| 123 | Base::finishCreation(vm); | 
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| 124 | reifyStaticProperties(vm, JSHTMLCollection::info(), JSHTMLCollectionPrototypeTableValues, *this); | 
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| 125 | putDirect(vm, vm.propertyNames->iteratorSymbol, globalObject()->arrayPrototype()->getDirect(vm, vm.propertyNames->builtinNames().valuesPrivateName()), static_cast<unsigned>(JSC::PropertyAttribute::DontEnum)); | 
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| 126 | } | 
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| 127 |  | 
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| 128 | const ClassInfo JSHTMLCollection::s_info = { "HTMLCollection", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSHTMLCollection) }; | 
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| 129 |  | 
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| 130 | JSHTMLCollection::JSHTMLCollection(Structure* structure, JSDOMGlobalObject& globalObject, Ref<HTMLCollection>&& impl) | 
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| 131 | : JSDOMWrapper<HTMLCollection>(structure, globalObject, WTFMove(impl)) | 
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| 132 | { | 
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| 133 | } | 
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| 134 |  | 
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| 135 | void JSHTMLCollection::finishCreation(VM& vm) | 
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| 136 | { | 
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| 137 | Base::finishCreation(vm); | 
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| 138 | ASSERT(inherits(vm, info())); | 
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| 139 |  | 
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| 140 | } | 
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| 141 |  | 
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| 142 | JSObject* JSHTMLCollection::createPrototype(VM& vm, JSDOMGlobalObject& globalObject) | 
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| 143 | { | 
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| 144 | return JSHTMLCollectionPrototype::create(vm, &globalObject, JSHTMLCollectionPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype())); | 
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| 145 | } | 
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| 146 |  | 
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| 147 | JSObject* JSHTMLCollection::prototype(VM& vm, JSDOMGlobalObject& globalObject) | 
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| 148 | { | 
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| 149 | return getDOMPrototype<JSHTMLCollection>(vm, globalObject); | 
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| 150 | } | 
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| 151 |  | 
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| 152 | JSValue JSHTMLCollection::getConstructor(VM& vm, const JSGlobalObject* globalObject) | 
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| 153 | { | 
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| 154 | return getDOMConstructor<JSHTMLCollectionConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject)); | 
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| 155 | } | 
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| 156 |  | 
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| 157 | void JSHTMLCollection::destroy(JSC::JSCell* cell) | 
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| 158 | { | 
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| 159 | JSHTMLCollection* thisObject = static_cast<JSHTMLCollection*>(cell); | 
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| 160 | thisObject->JSHTMLCollection::~JSHTMLCollection(); | 
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| 161 | } | 
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| 162 |  | 
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| 163 | bool JSHTMLCollection::getOwnPropertySlot(JSObject* object, ExecState* state, PropertyName propertyName, PropertySlot& slot) | 
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| 164 | { | 
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| 165 | auto* thisObject = jsCast<JSHTMLCollection*>(object); | 
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| 166 | ASSERT_GC_OBJECT_INHERITS(thisObject, info()); | 
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| 167 | if (auto index = parseIndex(propertyName)) { | 
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| 168 | if (index.value() < thisObject->wrapped().length()) { | 
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| 169 | auto value = toJS<IDLNullable<IDLInterface<Element>>>(*state, *thisObject->globalObject(), thisObject->wrapped().item(index.value())); | 
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| 170 | slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly), value); | 
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| 171 | return true; | 
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| 172 | } | 
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| 173 | return JSObject::getOwnPropertySlot(object, state, propertyName, slot); | 
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| 174 | } | 
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| 175 | using GetterIDLType = IDLInterface<Element>; | 
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| 176 | auto getterFunctor = [] (auto& thisObject, auto propertyName) -> Optional<typename GetterIDLType::ImplementationType> { | 
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| 177 | auto result = thisObject.wrapped().namedItem(propertyNameToAtomicString(propertyName)); | 
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| 178 | if (!GetterIDLType::isNullValue(result)) | 
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| 179 | return typename GetterIDLType::ImplementationType { GetterIDLType::extractValueFromNullable(result) }; | 
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| 180 | return WTF::nullopt; | 
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| 181 | }; | 
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| 182 | if (auto namedProperty = accessVisibleNamedProperty<OverrideBuiltins::No>(*state, *thisObject, propertyName, getterFunctor)) { | 
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| 183 | auto value = toJS<IDLNullable<IDLInterface<Element>>>(*state, *thisObject->globalObject(), WTFMove(namedProperty.value())); | 
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| 184 | slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum), value); | 
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| 185 | return true; | 
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| 186 | } | 
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| 187 | return JSObject::getOwnPropertySlot(object, state, propertyName, slot); | 
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| 188 | } | 
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| 189 |  | 
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| 190 | bool JSHTMLCollection::getOwnPropertySlotByIndex(JSObject* object, ExecState* state, unsigned index, PropertySlot& slot) | 
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| 191 | { | 
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| 192 | auto* thisObject = jsCast<JSHTMLCollection*>(object); | 
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| 193 | ASSERT_GC_OBJECT_INHERITS(thisObject, info()); | 
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| 194 | if (LIKELY(index <= MAX_ARRAY_INDEX)) { | 
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| 195 | if (index < thisObject->wrapped().length()) { | 
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| 196 | auto value = toJS<IDLNullable<IDLInterface<Element>>>(*state, *thisObject->globalObject(), thisObject->wrapped().item(index)); | 
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| 197 | slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly), value); | 
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| 198 | return true; | 
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| 199 | } | 
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| 200 | return JSObject::getOwnPropertySlotByIndex(object, state, index, slot); | 
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| 201 | } | 
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| 202 | auto propertyName = Identifier::from(state, index); | 
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| 203 | using GetterIDLType = IDLInterface<Element>; | 
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| 204 | auto getterFunctor = [] (auto& thisObject, auto propertyName) -> Optional<typename GetterIDLType::ImplementationType> { | 
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| 205 | auto result = thisObject.wrapped().namedItem(propertyNameToAtomicString(propertyName)); | 
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| 206 | if (!GetterIDLType::isNullValue(result)) | 
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| 207 | return typename GetterIDLType::ImplementationType { GetterIDLType::extractValueFromNullable(result) }; | 
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| 208 | return WTF::nullopt; | 
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| 209 | }; | 
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| 210 | if (auto namedProperty = accessVisibleNamedProperty<OverrideBuiltins::No>(*state, *thisObject, propertyName, getterFunctor)) { | 
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| 211 | auto value = toJS<IDLNullable<IDLInterface<Element>>>(*state, *thisObject->globalObject(), WTFMove(namedProperty.value())); | 
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| 212 | slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum), value); | 
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| 213 | return true; | 
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| 214 | } | 
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| 215 | return JSObject::getOwnPropertySlotByIndex(object, state, index, slot); | 
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| 216 | } | 
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| 217 |  | 
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| 218 | void JSHTMLCollection::getOwnPropertyNames(JSObject* object, ExecState* state, PropertyNameArray& propertyNames, EnumerationMode mode) | 
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| 219 | { | 
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| 220 | auto* thisObject = jsCast<JSHTMLCollection*>(object); | 
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| 221 | ASSERT_GC_OBJECT_INHERITS(object, info()); | 
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| 222 | for (unsigned i = 0, count = thisObject->wrapped().length(); i < count; ++i) | 
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| 223 | propertyNames.add(Identifier::from(state, i)); | 
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| 224 | if (mode.includeDontEnumProperties()) { | 
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| 225 | for (auto& propertyName : thisObject->wrapped().supportedPropertyNames()) | 
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| 226 | propertyNames.add(Identifier::fromString(state, propertyName)); | 
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| 227 | } | 
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| 228 | JSObject::getOwnPropertyNames(object, state, propertyNames, mode); | 
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| 229 | } | 
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| 230 |  | 
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| 231 | template<> inline JSHTMLCollection* IDLAttribute<JSHTMLCollection>::cast(ExecState& state, EncodedJSValue thisValue) | 
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| 232 | { | 
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| 233 | return jsDynamicCast<JSHTMLCollection*>(state.vm(), JSValue::decode(thisValue)); | 
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| 234 | } | 
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| 235 |  | 
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| 236 | template<> inline JSHTMLCollection* IDLOperation<JSHTMLCollection>::cast(ExecState& state) | 
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| 237 | { | 
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| 238 | return jsDynamicCast<JSHTMLCollection*>(state.vm(), state.thisValue()); | 
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| 239 | } | 
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| 240 |  | 
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| 241 | EncodedJSValue jsHTMLCollectionConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName) | 
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| 242 | { | 
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| 243 | VM& vm = state->vm(); | 
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| 244 | auto throwScope = DECLARE_THROW_SCOPE(vm); | 
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| 245 | auto* prototype = jsDynamicCast<JSHTMLCollectionPrototype*>(vm, JSValue::decode(thisValue)); | 
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| 246 | if (UNLIKELY(!prototype)) | 
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| 247 | return throwVMTypeError(state, throwScope); | 
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| 248 | return JSValue::encode(JSHTMLCollection::getConstructor(state->vm(), prototype->globalObject())); | 
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| 249 | } | 
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| 250 |  | 
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| 251 | bool setJSHTMLCollectionConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue) | 
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| 252 | { | 
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| 253 | VM& vm = state->vm(); | 
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| 254 | auto throwScope = DECLARE_THROW_SCOPE(vm); | 
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| 255 | auto* prototype = jsDynamicCast<JSHTMLCollectionPrototype*>(vm, JSValue::decode(thisValue)); | 
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| 256 | if (UNLIKELY(!prototype)) { | 
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| 257 | throwVMTypeError(state, throwScope); | 
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| 258 | return false; | 
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| 259 | } | 
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| 260 | // Shadowing a built-in constructor | 
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| 261 | return prototype->putDirect(vm, vm.propertyNames->constructor, JSValue::decode(encodedValue)); | 
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| 262 | } | 
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| 263 |  | 
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| 264 | static inline JSValue jsHTMLCollectionLengthGetter(ExecState& state, JSHTMLCollection& thisObject, ThrowScope& throwScope) | 
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| 265 | { | 
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| 266 | UNUSED_PARAM(throwScope); | 
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| 267 | UNUSED_PARAM(state); | 
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| 268 | auto& impl = thisObject.wrapped(); | 
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| 269 | JSValue result = toJS<IDLUnsignedLong>(state, throwScope, impl.length()); | 
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| 270 | return result; | 
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| 271 | } | 
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| 272 |  | 
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| 273 | EncodedJSValue jsHTMLCollectionLength(ExecState* state, EncodedJSValue thisValue, PropertyName) | 
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| 274 | { | 
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| 275 | return IDLAttribute<JSHTMLCollection>::get<jsHTMLCollectionLengthGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "length"); | 
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| 276 | } | 
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| 277 |  | 
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| 278 | static inline JSC::EncodedJSValue jsHTMLCollectionPrototypeFunctionItemBody(JSC::ExecState* state, typename IDLOperation<JSHTMLCollection>::ClassParameter castedThis, JSC::ThrowScope& throwScope) | 
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| 279 | { | 
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| 280 | UNUSED_PARAM(state); | 
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| 281 | UNUSED_PARAM(throwScope); | 
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| 282 | auto& impl = castedThis->wrapped(); | 
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| 283 | if (UNLIKELY(state->argumentCount() < 1)) | 
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| 284 | return throwVMError(state, throwScope, createNotEnoughArgumentsError(state)); | 
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| 285 | auto index = convert<IDLUnsignedLong>(*state, state->uncheckedArgument(0)); | 
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| 286 | RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); | 
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| 287 | return JSValue::encode(toJS<IDLNullable<IDLInterface<Element>>>(*state, *castedThis->globalObject(), impl.item(WTFMove(index)))); | 
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| 288 | } | 
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| 289 |  | 
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| 290 | EncodedJSValue JSC_HOST_CALL jsHTMLCollectionPrototypeFunctionItem(ExecState* state) | 
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| 291 | { | 
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| 292 | return IDLOperation<JSHTMLCollection>::call<jsHTMLCollectionPrototypeFunctionItemBody>(*state, "item"); | 
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| 293 | } | 
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| 294 |  | 
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| 295 | static inline JSC::EncodedJSValue jsHTMLCollectionPrototypeFunctionNamedItemBody(JSC::ExecState* state, typename IDLOperation<JSHTMLCollection>::ClassParameter castedThis, JSC::ThrowScope& throwScope) | 
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| 296 | { | 
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| 297 | UNUSED_PARAM(state); | 
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| 298 | UNUSED_PARAM(throwScope); | 
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| 299 | auto& impl = castedThis->wrapped(); | 
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| 300 | if (UNLIKELY(state->argumentCount() < 1)) | 
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| 301 | return throwVMError(state, throwScope, createNotEnoughArgumentsError(state)); | 
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| 302 | auto name = convert<IDLDOMString>(*state, state->uncheckedArgument(0)); | 
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| 303 | RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); | 
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| 304 | return JSValue::encode(toJS<IDLNullable<IDLInterface<Element>>>(*state, *castedThis->globalObject(), impl.namedItem(WTFMove(name)))); | 
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| 305 | } | 
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| 306 |  | 
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| 307 | EncodedJSValue JSC_HOST_CALL jsHTMLCollectionPrototypeFunctionNamedItem(ExecState* state) | 
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| 308 | { | 
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| 309 | return IDLOperation<JSHTMLCollection>::call<jsHTMLCollectionPrototypeFunctionNamedItemBody>(*state, "namedItem"); | 
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| 310 | } | 
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| 311 |  | 
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| 312 | void JSHTMLCollection::visitChildren(JSCell* cell, SlotVisitor& visitor) | 
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| 313 | { | 
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| 314 | auto* thisObject = jsCast<JSHTMLCollection*>(cell); | 
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| 315 | ASSERT_GC_OBJECT_INHERITS(thisObject, info()); | 
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| 316 | Base::visitChildren(thisObject, visitor); | 
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| 317 | visitor.reportExtraMemoryVisited(thisObject->wrapped().memoryCost()); | 
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| 318 | } | 
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| 319 |  | 
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| 320 | size_t JSHTMLCollection::estimatedSize(JSCell* cell, VM& vm) | 
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| 321 | { | 
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| 322 | auto* thisObject = jsCast<JSHTMLCollection*>(cell); | 
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| 323 | return Base::estimatedSize(thisObject, vm) + thisObject->wrapped().memoryCost(); | 
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| 324 | } | 
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| 325 |  | 
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| 326 | void JSHTMLCollection::heapSnapshot(JSCell* cell, HeapSnapshotBuilder& builder) | 
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| 327 | { | 
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| 328 | auto* thisObject = jsCast<JSHTMLCollection*>(cell); | 
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| 329 | builder.setWrappedObjectForCell(cell, &thisObject->wrapped()); | 
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| 330 | if (thisObject->scriptExecutionContext()) | 
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| 331 | builder.setLabelForCell(cell, "url "+ thisObject->scriptExecutionContext()->url().string()); | 
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| 332 | Base::heapSnapshot(cell, builder); | 
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| 333 | } | 
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| 334 |  | 
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| 335 | bool JSHTMLCollectionOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor, const char** reason) | 
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| 336 | { | 
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| 337 | auto* jsHTMLCollection = jsCast<JSHTMLCollection*>(handle.slot()->asCell()); | 
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| 338 | void* root = WebCore::root(jsHTMLCollection->wrapped().ownerNode()); | 
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| 339 | if (UNLIKELY(reason)) | 
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| 340 | *reason = "Reachable from HTMLCollection ownerNode"; | 
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| 341 | return visitor.containsOpaqueRoot(root); | 
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| 342 | } | 
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| 343 |  | 
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| 344 | void JSHTMLCollectionOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context) | 
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| 345 | { | 
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| 346 | auto* jsHTMLCollection = static_cast<JSHTMLCollection*>(handle.slot()->asCell()); | 
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| 347 | auto& world = *static_cast<DOMWrapperWorld*>(context); | 
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| 348 | uncacheWrapper(world, &jsHTMLCollection->wrapped(), jsHTMLCollection); | 
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| 349 | } | 
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| 350 |  | 
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| 351 | HTMLCollection* JSHTMLCollection::toWrapped(JSC::VM& vm, JSC::JSValue value) | 
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| 352 | { | 
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| 353 | if (auto* wrapper = jsDynamicCast<JSHTMLCollection*>(vm, value)) | 
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| 354 | return &wrapper->wrapped(); | 
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| 355 | return nullptr; | 
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| 356 | } | 
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| 357 |  | 
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| 358 | } | 
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| 359 |  | 
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