1/*
2 This file is part of the WebKit open source project.
3 This file has been generated by generate-bindings.pl. DO NOT MODIFY!
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public License
16 along with this library; see the file COPYING.LIB. If not, write to
17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
19*/
20
21#include "config.h"
22#include "JSTreeWalker.h"
23
24#include "JSDOMAttribute.h"
25#include "JSDOMBinding.h"
26#include "JSDOMConstructorNotConstructable.h"
27#include "JSDOMConvertCallbacks.h"
28#include "JSDOMConvertInterface.h"
29#include "JSDOMConvertNullable.h"
30#include "JSDOMConvertNumbers.h"
31#include "JSDOMExceptionHandling.h"
32#include "JSDOMGlobalObject.h"
33#include "JSDOMOperation.h"
34#include "JSDOMWrapperCache.h"
35#include "JSNode.h"
36#include "JSNodeFilter.h"
37#include "ScriptExecutionContext.h"
38#include <JavaScriptCore/FunctionPrototype.h>
39#include <JavaScriptCore/HeapSnapshotBuilder.h>
40#include <JavaScriptCore/JSCInlines.h>
41#include <wtf/GetPtr.h>
42#include <wtf/PointerPreparations.h>
43#include <wtf/URL.h>
44
45
46namespace WebCore {
47using namespace JSC;
48
49// Functions
50
51JSC::EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionParentNode(JSC::ExecState*);
52JSC::EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionFirstChild(JSC::ExecState*);
53JSC::EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionLastChild(JSC::ExecState*);
54JSC::EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionPreviousSibling(JSC::ExecState*);
55JSC::EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionNextSibling(JSC::ExecState*);
56JSC::EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionPreviousNode(JSC::ExecState*);
57JSC::EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionNextNode(JSC::ExecState*);
58
59// Attributes
60
61JSC::EncodedJSValue jsTreeWalkerConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
62bool setJSTreeWalkerConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
63JSC::EncodedJSValue jsTreeWalkerRoot(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
64JSC::EncodedJSValue jsTreeWalkerWhatToShow(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
65JSC::EncodedJSValue jsTreeWalkerFilter(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
66JSC::EncodedJSValue jsTreeWalkerCurrentNode(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
67bool setJSTreeWalkerCurrentNode(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
68
69class JSTreeWalkerPrototype : public JSC::JSNonFinalObject {
70public:
71 using Base = JSC::JSNonFinalObject;
72 static JSTreeWalkerPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
73 {
74 JSTreeWalkerPrototype* ptr = new (NotNull, JSC::allocateCell<JSTreeWalkerPrototype>(vm.heap)) JSTreeWalkerPrototype(vm, globalObject, structure);
75 ptr->finishCreation(vm);
76 return ptr;
77 }
78
79 DECLARE_INFO;
80 static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
81 {
82 return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
83 }
84
85private:
86 JSTreeWalkerPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
87 : JSC::JSNonFinalObject(vm, structure)
88 {
89 }
90
91 void finishCreation(JSC::VM&);
92};
93
94using JSTreeWalkerConstructor = JSDOMConstructorNotConstructable<JSTreeWalker>;
95
96template<> JSValue JSTreeWalkerConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
97{
98 UNUSED_PARAM(vm);
99 return globalObject.functionPrototype();
100}
101
102template<> void JSTreeWalkerConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
103{
104 putDirect(vm, vm.propertyNames->prototype, JSTreeWalker::prototype(vm, globalObject), JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
105 putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String("TreeWalker"_s)), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
106 putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
107}
108
109template<> const ClassInfo JSTreeWalkerConstructor::s_info = { "TreeWalker", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTreeWalkerConstructor) };
110
111/* Hash table for prototype */
112
113static const HashTableValue JSTreeWalkerPrototypeTableValues[] =
114{
115 { "constructor", static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTreeWalkerConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSTreeWalkerConstructor) } },
116 { "root", static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTreeWalkerRoot), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
117 { "whatToShow", static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTreeWalkerWhatToShow), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
118 { "filter", static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTreeWalkerFilter), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
119 { "currentNode", static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTreeWalkerCurrentNode), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSTreeWalkerCurrentNode) } },
120 { "parentNode", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsTreeWalkerPrototypeFunctionParentNode), (intptr_t) (0) } },
121 { "firstChild", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsTreeWalkerPrototypeFunctionFirstChild), (intptr_t) (0) } },
122 { "lastChild", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsTreeWalkerPrototypeFunctionLastChild), (intptr_t) (0) } },
123 { "previousSibling", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsTreeWalkerPrototypeFunctionPreviousSibling), (intptr_t) (0) } },
124 { "nextSibling", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsTreeWalkerPrototypeFunctionNextSibling), (intptr_t) (0) } },
125 { "previousNode", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsTreeWalkerPrototypeFunctionPreviousNode), (intptr_t) (0) } },
126 { "nextNode", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsTreeWalkerPrototypeFunctionNextNode), (intptr_t) (0) } },
127};
128
129const ClassInfo JSTreeWalkerPrototype::s_info = { "TreeWalkerPrototype", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTreeWalkerPrototype) };
130
131void JSTreeWalkerPrototype::finishCreation(VM& vm)
132{
133 Base::finishCreation(vm);
134 reifyStaticProperties(vm, JSTreeWalker::info(), JSTreeWalkerPrototypeTableValues, *this);
135}
136
137const ClassInfo JSTreeWalker::s_info = { "TreeWalker", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTreeWalker) };
138
139JSTreeWalker::JSTreeWalker(Structure* structure, JSDOMGlobalObject& globalObject, Ref<TreeWalker>&& impl)
140 : JSDOMWrapper<TreeWalker>(structure, globalObject, WTFMove(impl))
141{
142}
143
144void JSTreeWalker::finishCreation(VM& vm)
145{
146 Base::finishCreation(vm);
147 ASSERT(inherits(vm, info()));
148
149}
150
151JSObject* JSTreeWalker::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
152{
153 return JSTreeWalkerPrototype::create(vm, &globalObject, JSTreeWalkerPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
154}
155
156JSObject* JSTreeWalker::prototype(VM& vm, JSDOMGlobalObject& globalObject)
157{
158 return getDOMPrototype<JSTreeWalker>(vm, globalObject);
159}
160
161JSValue JSTreeWalker::getConstructor(VM& vm, const JSGlobalObject* globalObject)
162{
163 return getDOMConstructor<JSTreeWalkerConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
164}
165
166void JSTreeWalker::destroy(JSC::JSCell* cell)
167{
168 JSTreeWalker* thisObject = static_cast<JSTreeWalker*>(cell);
169 thisObject->JSTreeWalker::~JSTreeWalker();
170}
171
172template<> inline JSTreeWalker* IDLAttribute<JSTreeWalker>::cast(ExecState& state, EncodedJSValue thisValue)
173{
174 return jsDynamicCast<JSTreeWalker*>(state.vm(), JSValue::decode(thisValue));
175}
176
177template<> inline JSTreeWalker* IDLOperation<JSTreeWalker>::cast(ExecState& state)
178{
179 return jsDynamicCast<JSTreeWalker*>(state.vm(), state.thisValue());
180}
181
182EncodedJSValue jsTreeWalkerConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName)
183{
184 VM& vm = state->vm();
185 auto throwScope = DECLARE_THROW_SCOPE(vm);
186 auto* prototype = jsDynamicCast<JSTreeWalkerPrototype*>(vm, JSValue::decode(thisValue));
187 if (UNLIKELY(!prototype))
188 return throwVMTypeError(state, throwScope);
189 return JSValue::encode(JSTreeWalker::getConstructor(state->vm(), prototype->globalObject()));
190}
191
192bool setJSTreeWalkerConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
193{
194 VM& vm = state->vm();
195 auto throwScope = DECLARE_THROW_SCOPE(vm);
196 auto* prototype = jsDynamicCast<JSTreeWalkerPrototype*>(vm, JSValue::decode(thisValue));
197 if (UNLIKELY(!prototype)) {
198 throwVMTypeError(state, throwScope);
199 return false;
200 }
201 // Shadowing a built-in constructor
202 return prototype->putDirect(vm, vm.propertyNames->constructor, JSValue::decode(encodedValue));
203}
204
205static inline JSValue jsTreeWalkerRootGetter(ExecState& state, JSTreeWalker& thisObject, ThrowScope& throwScope)
206{
207 UNUSED_PARAM(throwScope);
208 UNUSED_PARAM(state);
209 auto& impl = thisObject.wrapped();
210 JSValue result = toJS<IDLInterface<Node>>(state, *thisObject.globalObject(), throwScope, impl.root());
211 return result;
212}
213
214EncodedJSValue jsTreeWalkerRoot(ExecState* state, EncodedJSValue thisValue, PropertyName)
215{
216 return IDLAttribute<JSTreeWalker>::get<jsTreeWalkerRootGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "root");
217}
218
219static inline JSValue jsTreeWalkerWhatToShowGetter(ExecState& state, JSTreeWalker& thisObject, ThrowScope& throwScope)
220{
221 UNUSED_PARAM(throwScope);
222 UNUSED_PARAM(state);
223 auto& impl = thisObject.wrapped();
224 JSValue result = toJS<IDLUnsignedLong>(state, throwScope, impl.whatToShow());
225 return result;
226}
227
228EncodedJSValue jsTreeWalkerWhatToShow(ExecState* state, EncodedJSValue thisValue, PropertyName)
229{
230 return IDLAttribute<JSTreeWalker>::get<jsTreeWalkerWhatToShowGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "whatToShow");
231}
232
233static inline JSValue jsTreeWalkerFilterGetter(ExecState& state, JSTreeWalker& thisObject, ThrowScope& throwScope)
234{
235 UNUSED_PARAM(throwScope);
236 UNUSED_PARAM(state);
237 auto& impl = thisObject.wrapped();
238 JSValue result = toJS<IDLNullable<IDLCallbackInterface<JSNodeFilter>>>(state, *thisObject.globalObject(), throwScope, impl.filter());
239 return result;
240}
241
242EncodedJSValue jsTreeWalkerFilter(ExecState* state, EncodedJSValue thisValue, PropertyName)
243{
244 return IDLAttribute<JSTreeWalker>::get<jsTreeWalkerFilterGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "filter");
245}
246
247static inline JSValue jsTreeWalkerCurrentNodeGetter(ExecState& state, JSTreeWalker& thisObject, ThrowScope& throwScope)
248{
249 UNUSED_PARAM(throwScope);
250 UNUSED_PARAM(state);
251 auto& impl = thisObject.wrapped();
252 JSValue result = toJS<IDLInterface<Node>>(state, *thisObject.globalObject(), throwScope, impl.currentNode());
253 return result;
254}
255
256EncodedJSValue jsTreeWalkerCurrentNode(ExecState* state, EncodedJSValue thisValue, PropertyName)
257{
258 return IDLAttribute<JSTreeWalker>::get<jsTreeWalkerCurrentNodeGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "currentNode");
259}
260
261static inline bool setJSTreeWalkerCurrentNodeSetter(ExecState& state, JSTreeWalker& thisObject, JSValue value, ThrowScope& throwScope)
262{
263 UNUSED_PARAM(throwScope);
264 auto& impl = thisObject.wrapped();
265 auto nativeValue = convert<IDLInterface<Node>>(state, value, [](JSC::ExecState& state, JSC::ThrowScope& scope) { throwAttributeTypeError(state, scope, "TreeWalker", "currentNode", "Node"); });
266 RETURN_IF_EXCEPTION(throwScope, false);
267 AttributeSetter::call(state, throwScope, [&] {
268 return impl.setCurrentNode(*nativeValue);
269 });
270 return true;
271}
272
273bool setJSTreeWalkerCurrentNode(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
274{
275 return IDLAttribute<JSTreeWalker>::set<setJSTreeWalkerCurrentNodeSetter>(*state, thisValue, encodedValue, "currentNode");
276}
277
278static inline JSC::EncodedJSValue jsTreeWalkerPrototypeFunctionParentNodeBody(JSC::ExecState* state, typename IDLOperation<JSTreeWalker>::ClassParameter castedThis, JSC::ThrowScope& throwScope)
279{
280 UNUSED_PARAM(state);
281 UNUSED_PARAM(throwScope);
282 auto& impl = castedThis->wrapped();
283 return JSValue::encode(toJS<IDLNullable<IDLInterface<Node>>>(*state, *castedThis->globalObject(), throwScope, impl.parentNode()));
284}
285
286EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionParentNode(ExecState* state)
287{
288 return IDLOperation<JSTreeWalker>::call<jsTreeWalkerPrototypeFunctionParentNodeBody>(*state, "parentNode");
289}
290
291static inline JSC::EncodedJSValue jsTreeWalkerPrototypeFunctionFirstChildBody(JSC::ExecState* state, typename IDLOperation<JSTreeWalker>::ClassParameter castedThis, JSC::ThrowScope& throwScope)
292{
293 UNUSED_PARAM(state);
294 UNUSED_PARAM(throwScope);
295 auto& impl = castedThis->wrapped();
296 return JSValue::encode(toJS<IDLNullable<IDLInterface<Node>>>(*state, *castedThis->globalObject(), throwScope, impl.firstChild()));
297}
298
299EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionFirstChild(ExecState* state)
300{
301 return IDLOperation<JSTreeWalker>::call<jsTreeWalkerPrototypeFunctionFirstChildBody>(*state, "firstChild");
302}
303
304static inline JSC::EncodedJSValue jsTreeWalkerPrototypeFunctionLastChildBody(JSC::ExecState* state, typename IDLOperation<JSTreeWalker>::ClassParameter castedThis, JSC::ThrowScope& throwScope)
305{
306 UNUSED_PARAM(state);
307 UNUSED_PARAM(throwScope);
308 auto& impl = castedThis->wrapped();
309 return JSValue::encode(toJS<IDLNullable<IDLInterface<Node>>>(*state, *castedThis->globalObject(), throwScope, impl.lastChild()));
310}
311
312EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionLastChild(ExecState* state)
313{
314 return IDLOperation<JSTreeWalker>::call<jsTreeWalkerPrototypeFunctionLastChildBody>(*state, "lastChild");
315}
316
317static inline JSC::EncodedJSValue jsTreeWalkerPrototypeFunctionPreviousSiblingBody(JSC::ExecState* state, typename IDLOperation<JSTreeWalker>::ClassParameter castedThis, JSC::ThrowScope& throwScope)
318{
319 UNUSED_PARAM(state);
320 UNUSED_PARAM(throwScope);
321 auto& impl = castedThis->wrapped();
322 return JSValue::encode(toJS<IDLNullable<IDLInterface<Node>>>(*state, *castedThis->globalObject(), throwScope, impl.previousSibling()));
323}
324
325EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionPreviousSibling(ExecState* state)
326{
327 return IDLOperation<JSTreeWalker>::call<jsTreeWalkerPrototypeFunctionPreviousSiblingBody>(*state, "previousSibling");
328}
329
330static inline JSC::EncodedJSValue jsTreeWalkerPrototypeFunctionNextSiblingBody(JSC::ExecState* state, typename IDLOperation<JSTreeWalker>::ClassParameter castedThis, JSC::ThrowScope& throwScope)
331{
332 UNUSED_PARAM(state);
333 UNUSED_PARAM(throwScope);
334 auto& impl = castedThis->wrapped();
335 return JSValue::encode(toJS<IDLNullable<IDLInterface<Node>>>(*state, *castedThis->globalObject(), throwScope, impl.nextSibling()));
336}
337
338EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionNextSibling(ExecState* state)
339{
340 return IDLOperation<JSTreeWalker>::call<jsTreeWalkerPrototypeFunctionNextSiblingBody>(*state, "nextSibling");
341}
342
343static inline JSC::EncodedJSValue jsTreeWalkerPrototypeFunctionPreviousNodeBody(JSC::ExecState* state, typename IDLOperation<JSTreeWalker>::ClassParameter castedThis, JSC::ThrowScope& throwScope)
344{
345 UNUSED_PARAM(state);
346 UNUSED_PARAM(throwScope);
347 auto& impl = castedThis->wrapped();
348 return JSValue::encode(toJS<IDLNullable<IDLInterface<Node>>>(*state, *castedThis->globalObject(), throwScope, impl.previousNode()));
349}
350
351EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionPreviousNode(ExecState* state)
352{
353 return IDLOperation<JSTreeWalker>::call<jsTreeWalkerPrototypeFunctionPreviousNodeBody>(*state, "previousNode");
354}
355
356static inline JSC::EncodedJSValue jsTreeWalkerPrototypeFunctionNextNodeBody(JSC::ExecState* state, typename IDLOperation<JSTreeWalker>::ClassParameter castedThis, JSC::ThrowScope& throwScope)
357{
358 UNUSED_PARAM(state);
359 UNUSED_PARAM(throwScope);
360 auto& impl = castedThis->wrapped();
361 return JSValue::encode(toJS<IDLNullable<IDLInterface<Node>>>(*state, *castedThis->globalObject(), throwScope, impl.nextNode()));
362}
363
364EncodedJSValue JSC_HOST_CALL jsTreeWalkerPrototypeFunctionNextNode(ExecState* state)
365{
366 return IDLOperation<JSTreeWalker>::call<jsTreeWalkerPrototypeFunctionNextNodeBody>(*state, "nextNode");
367}
368
369void JSTreeWalker::visitChildren(JSCell* cell, SlotVisitor& visitor)
370{
371 auto* thisObject = jsCast<JSTreeWalker*>(cell);
372 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
373 Base::visitChildren(thisObject, visitor);
374 thisObject->visitAdditionalChildren(visitor);
375}
376
377void JSTreeWalker::visitOutputConstraints(JSCell* cell, SlotVisitor& visitor)
378{
379 auto* thisObject = jsCast<JSTreeWalker*>(cell);
380 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
381 Base::visitOutputConstraints(thisObject, visitor);
382 thisObject->visitAdditionalChildren(visitor);
383}
384
385void JSTreeWalker::heapSnapshot(JSCell* cell, HeapSnapshotBuilder& builder)
386{
387 auto* thisObject = jsCast<JSTreeWalker*>(cell);
388 builder.setWrappedObjectForCell(cell, &thisObject->wrapped());
389 if (thisObject->scriptExecutionContext())
390 builder.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
391 Base::heapSnapshot(cell, builder);
392}
393
394bool JSTreeWalkerOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor, const char** reason)
395{
396 UNUSED_PARAM(handle);
397 UNUSED_PARAM(visitor);
398 UNUSED_PARAM(reason);
399 return false;
400}
401
402void JSTreeWalkerOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
403{
404 auto* jsTreeWalker = static_cast<JSTreeWalker*>(handle.slot()->asCell());
405 auto& world = *static_cast<DOMWrapperWorld*>(context);
406 uncacheWrapper(world, &jsTreeWalker->wrapped(), jsTreeWalker);
407}
408
409JSC::JSValue toJSNewlyCreated(JSC::ExecState*, JSDOMGlobalObject* globalObject, Ref<TreeWalker>&& impl)
410{
411 // If you hit this failure the interface definition has the ImplementationLacksVTable
412 // attribute. You should remove that attribute. If the class has subclasses
413 // that may be passed through this toJS() function you should use the SkipVTableValidation
414 // attribute to TreeWalker.
415 static_assert(!std::is_polymorphic<TreeWalker>::value, "TreeWalker is polymorphic but the IDL claims it is not");
416 return createWrapper<TreeWalker>(globalObject, WTFMove(impl));
417}
418
419JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, TreeWalker& impl)
420{
421 return wrap(state, globalObject, impl);
422}
423
424TreeWalker* JSTreeWalker::toWrapped(JSC::VM& vm, JSC::JSValue value)
425{
426 if (auto* wrapper = jsDynamicCast<JSTreeWalker*>(vm, value))
427 return &wrapper->wrapped();
428 return nullptr;
429}
430
431}
432