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 "JSDOMPlugin.h" |
23 | |
24 | #include "JSDOMAbstractOperations.h" |
25 | #include "JSDOMAttribute.h" |
26 | #include "JSDOMBinding.h" |
27 | #include "JSDOMConstructorNotConstructable.h" |
28 | #include "JSDOMConvertInterface.h" |
29 | #include "JSDOMConvertNullable.h" |
30 | #include "JSDOMConvertNumbers.h" |
31 | #include "JSDOMConvertStrings.h" |
32 | #include "JSDOMExceptionHandling.h" |
33 | #include "JSDOMGlobalObject.h" |
34 | #include "JSDOMMimeType.h" |
35 | #include "JSDOMOperation.h" |
36 | #include "JSDOMWrapperCache.h" |
37 | #include "ScriptExecutionContext.h" |
38 | #include <JavaScriptCore/ArrayPrototype.h> |
39 | #include <JavaScriptCore/BuiltinNames.h> |
40 | #include <JavaScriptCore/FunctionPrototype.h> |
41 | #include <JavaScriptCore/HeapSnapshotBuilder.h> |
42 | #include <JavaScriptCore/JSCInlines.h> |
43 | #include <JavaScriptCore/PropertyNameArray.h> |
44 | #include <wtf/GetPtr.h> |
45 | #include <wtf/PointerPreparations.h> |
46 | #include <wtf/URL.h> |
47 | |
48 | |
49 | namespace WebCore { |
50 | using namespace JSC; |
51 | |
52 | // Functions |
53 | |
54 | JSC::EncodedJSValue JSC_HOST_CALL jsDOMPluginPrototypeFunctionItem(JSC::ExecState*); |
55 | JSC::EncodedJSValue JSC_HOST_CALL jsDOMPluginPrototypeFunctionNamedItem(JSC::ExecState*); |
56 | |
57 | // Attributes |
58 | |
59 | JSC::EncodedJSValue jsDOMPluginConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); |
60 | bool setJSDOMPluginConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue); |
61 | JSC::EncodedJSValue jsDOMPluginName(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); |
62 | JSC::EncodedJSValue jsDOMPluginFilename(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); |
63 | JSC::EncodedJSValue jsDOMPluginDescription(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); |
64 | JSC::EncodedJSValue jsDOMPluginLength(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); |
65 | |
66 | class JSDOMPluginPrototype : public JSC::JSNonFinalObject { |
67 | public: |
68 | using Base = JSC::JSNonFinalObject; |
69 | static JSDOMPluginPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure) |
70 | { |
71 | JSDOMPluginPrototype* ptr = new (NotNull, JSC::allocateCell<JSDOMPluginPrototype>(vm.heap)) JSDOMPluginPrototype(vm, globalObject, structure); |
72 | ptr->finishCreation(vm); |
73 | return ptr; |
74 | } |
75 | |
76 | DECLARE_INFO; |
77 | static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype) |
78 | { |
79 | return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info()); |
80 | } |
81 | |
82 | private: |
83 | JSDOMPluginPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure) |
84 | : JSC::JSNonFinalObject(vm, structure) |
85 | { |
86 | } |
87 | |
88 | void finishCreation(JSC::VM&); |
89 | }; |
90 | |
91 | using JSDOMPluginConstructor = JSDOMConstructorNotConstructable<JSDOMPlugin>; |
92 | |
93 | template<> JSValue JSDOMPluginConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject) |
94 | { |
95 | UNUSED_PARAM(vm); |
96 | return globalObject.functionPrototype(); |
97 | } |
98 | |
99 | template<> void JSDOMPluginConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject) |
100 | { |
101 | putDirect(vm, vm.propertyNames->prototype, JSDOMPlugin::prototype(vm, globalObject), JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
102 | putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String("Plugin"_s )), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
103 | putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
104 | } |
105 | |
106 | template<> const ClassInfo JSDOMPluginConstructor::s_info = { "Plugin" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDOMPluginConstructor) }; |
107 | |
108 | /* Hash table for prototype */ |
109 | |
110 | static const HashTableValue JSDOMPluginPrototypeTableValues[] = |
111 | { |
112 | { "constructor" , static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMPluginConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSDOMPluginConstructor) } }, |
113 | { "name" , static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMPluginName), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, |
114 | { "filename" , static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMPluginFilename), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, |
115 | { "description" , static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMPluginDescription), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, |
116 | { "length" , static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMPluginLength), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, |
117 | { "item" , static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsDOMPluginPrototypeFunctionItem), (intptr_t) (1) } }, |
118 | { "namedItem" , static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsDOMPluginPrototypeFunctionNamedItem), (intptr_t) (1) } }, |
119 | }; |
120 | |
121 | const ClassInfo JSDOMPluginPrototype::s_info = { "PluginPrototype" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDOMPluginPrototype) }; |
122 | |
123 | void JSDOMPluginPrototype::finishCreation(VM& vm) |
124 | { |
125 | Base::finishCreation(vm); |
126 | reifyStaticProperties(vm, JSDOMPlugin::info(), JSDOMPluginPrototypeTableValues, *this); |
127 | putDirect(vm, vm.propertyNames->iteratorSymbol, globalObject()->arrayPrototype()->getDirect(vm, vm.propertyNames->builtinNames().valuesPrivateName()), static_cast<unsigned>(JSC::PropertyAttribute::DontEnum)); |
128 | } |
129 | |
130 | const ClassInfo JSDOMPlugin::s_info = { "Plugin" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDOMPlugin) }; |
131 | |
132 | JSDOMPlugin::JSDOMPlugin(Structure* structure, JSDOMGlobalObject& globalObject, Ref<DOMPlugin>&& impl) |
133 | : JSDOMWrapper<DOMPlugin>(structure, globalObject, WTFMove(impl)) |
134 | { |
135 | } |
136 | |
137 | void JSDOMPlugin::finishCreation(VM& vm) |
138 | { |
139 | Base::finishCreation(vm); |
140 | ASSERT(inherits(vm, info())); |
141 | |
142 | } |
143 | |
144 | JSObject* JSDOMPlugin::createPrototype(VM& vm, JSDOMGlobalObject& globalObject) |
145 | { |
146 | return JSDOMPluginPrototype::create(vm, &globalObject, JSDOMPluginPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype())); |
147 | } |
148 | |
149 | JSObject* JSDOMPlugin::prototype(VM& vm, JSDOMGlobalObject& globalObject) |
150 | { |
151 | return getDOMPrototype<JSDOMPlugin>(vm, globalObject); |
152 | } |
153 | |
154 | JSValue JSDOMPlugin::getConstructor(VM& vm, const JSGlobalObject* globalObject) |
155 | { |
156 | return getDOMConstructor<JSDOMPluginConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject)); |
157 | } |
158 | |
159 | void JSDOMPlugin::destroy(JSC::JSCell* cell) |
160 | { |
161 | JSDOMPlugin* thisObject = static_cast<JSDOMPlugin*>(cell); |
162 | thisObject->JSDOMPlugin::~JSDOMPlugin(); |
163 | } |
164 | |
165 | bool JSDOMPlugin::getOwnPropertySlot(JSObject* object, ExecState* state, PropertyName propertyName, PropertySlot& slot) |
166 | { |
167 | auto* thisObject = jsCast<JSDOMPlugin*>(object); |
168 | ASSERT_GC_OBJECT_INHERITS(thisObject, info()); |
169 | if (auto index = parseIndex(propertyName)) { |
170 | if (index.value() < thisObject->wrapped().length()) { |
171 | auto value = toJS<IDLNullable<IDLInterface<DOMMimeType>>>(*state, *thisObject->globalObject(), thisObject->wrapped().item(index.value())); |
172 | slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly), value); |
173 | return true; |
174 | } |
175 | return JSObject::getOwnPropertySlot(object, state, propertyName, slot); |
176 | } |
177 | using GetterIDLType = IDLInterface<DOMMimeType>; |
178 | auto getterFunctor = [] (auto& thisObject, auto propertyName) -> Optional<typename GetterIDLType::ImplementationType> { |
179 | auto result = thisObject.wrapped().namedItem(propertyNameToAtomicString(propertyName)); |
180 | if (!GetterIDLType::isNullValue(result)) |
181 | return typename GetterIDLType::ImplementationType { GetterIDLType::extractValueFromNullable(result) }; |
182 | return WTF::nullopt; |
183 | }; |
184 | if (auto namedProperty = accessVisibleNamedProperty<OverrideBuiltins::No>(*state, *thisObject, propertyName, getterFunctor)) { |
185 | auto value = toJS<IDLNullable<IDLInterface<DOMMimeType>>>(*state, *thisObject->globalObject(), WTFMove(namedProperty.value())); |
186 | slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum), value); |
187 | return true; |
188 | } |
189 | return JSObject::getOwnPropertySlot(object, state, propertyName, slot); |
190 | } |
191 | |
192 | bool JSDOMPlugin::getOwnPropertySlotByIndex(JSObject* object, ExecState* state, unsigned index, PropertySlot& slot) |
193 | { |
194 | auto* thisObject = jsCast<JSDOMPlugin*>(object); |
195 | ASSERT_GC_OBJECT_INHERITS(thisObject, info()); |
196 | if (LIKELY(index <= MAX_ARRAY_INDEX)) { |
197 | if (index < thisObject->wrapped().length()) { |
198 | auto value = toJS<IDLNullable<IDLInterface<DOMMimeType>>>(*state, *thisObject->globalObject(), thisObject->wrapped().item(index)); |
199 | slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly), value); |
200 | return true; |
201 | } |
202 | return JSObject::getOwnPropertySlotByIndex(object, state, index, slot); |
203 | } |
204 | auto propertyName = Identifier::from(state, index); |
205 | using GetterIDLType = IDLInterface<DOMMimeType>; |
206 | auto getterFunctor = [] (auto& thisObject, auto propertyName) -> Optional<typename GetterIDLType::ImplementationType> { |
207 | auto result = thisObject.wrapped().namedItem(propertyNameToAtomicString(propertyName)); |
208 | if (!GetterIDLType::isNullValue(result)) |
209 | return typename GetterIDLType::ImplementationType { GetterIDLType::extractValueFromNullable(result) }; |
210 | return WTF::nullopt; |
211 | }; |
212 | if (auto namedProperty = accessVisibleNamedProperty<OverrideBuiltins::No>(*state, *thisObject, propertyName, getterFunctor)) { |
213 | auto value = toJS<IDLNullable<IDLInterface<DOMMimeType>>>(*state, *thisObject->globalObject(), WTFMove(namedProperty.value())); |
214 | slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum), value); |
215 | return true; |
216 | } |
217 | return JSObject::getOwnPropertySlotByIndex(object, state, index, slot); |
218 | } |
219 | |
220 | void JSDOMPlugin::getOwnPropertyNames(JSObject* object, ExecState* state, PropertyNameArray& propertyNames, EnumerationMode mode) |
221 | { |
222 | auto* thisObject = jsCast<JSDOMPlugin*>(object); |
223 | ASSERT_GC_OBJECT_INHERITS(object, info()); |
224 | for (unsigned i = 0, count = thisObject->wrapped().length(); i < count; ++i) |
225 | propertyNames.add(Identifier::from(state, i)); |
226 | if (mode.includeDontEnumProperties()) { |
227 | for (auto& propertyName : thisObject->wrapped().supportedPropertyNames()) |
228 | propertyNames.add(Identifier::fromString(state, propertyName)); |
229 | } |
230 | JSObject::getOwnPropertyNames(object, state, propertyNames, mode); |
231 | } |
232 | |
233 | template<> inline JSDOMPlugin* IDLAttribute<JSDOMPlugin>::cast(ExecState& state, EncodedJSValue thisValue) |
234 | { |
235 | return jsDynamicCast<JSDOMPlugin*>(state.vm(), JSValue::decode(thisValue)); |
236 | } |
237 | |
238 | template<> inline JSDOMPlugin* IDLOperation<JSDOMPlugin>::cast(ExecState& state) |
239 | { |
240 | return jsDynamicCast<JSDOMPlugin*>(state.vm(), state.thisValue()); |
241 | } |
242 | |
243 | EncodedJSValue jsDOMPluginConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName) |
244 | { |
245 | VM& vm = state->vm(); |
246 | auto throwScope = DECLARE_THROW_SCOPE(vm); |
247 | auto* prototype = jsDynamicCast<JSDOMPluginPrototype*>(vm, JSValue::decode(thisValue)); |
248 | if (UNLIKELY(!prototype)) |
249 | return throwVMTypeError(state, throwScope); |
250 | return JSValue::encode(JSDOMPlugin::getConstructor(state->vm(), prototype->globalObject())); |
251 | } |
252 | |
253 | bool setJSDOMPluginConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue) |
254 | { |
255 | VM& vm = state->vm(); |
256 | auto throwScope = DECLARE_THROW_SCOPE(vm); |
257 | auto* prototype = jsDynamicCast<JSDOMPluginPrototype*>(vm, JSValue::decode(thisValue)); |
258 | if (UNLIKELY(!prototype)) { |
259 | throwVMTypeError(state, throwScope); |
260 | return false; |
261 | } |
262 | // Shadowing a built-in constructor |
263 | return prototype->putDirect(vm, vm.propertyNames->constructor, JSValue::decode(encodedValue)); |
264 | } |
265 | |
266 | static inline JSValue jsDOMPluginNameGetter(ExecState& state, JSDOMPlugin& thisObject, ThrowScope& throwScope) |
267 | { |
268 | UNUSED_PARAM(throwScope); |
269 | UNUSED_PARAM(state); |
270 | auto& impl = thisObject.wrapped(); |
271 | JSValue result = toJS<IDLDOMString>(state, throwScope, impl.name()); |
272 | return result; |
273 | } |
274 | |
275 | EncodedJSValue jsDOMPluginName(ExecState* state, EncodedJSValue thisValue, PropertyName) |
276 | { |
277 | return IDLAttribute<JSDOMPlugin>::get<jsDOMPluginNameGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "name" ); |
278 | } |
279 | |
280 | static inline JSValue jsDOMPluginFilenameGetter(ExecState& state, JSDOMPlugin& thisObject, ThrowScope& throwScope) |
281 | { |
282 | UNUSED_PARAM(throwScope); |
283 | UNUSED_PARAM(state); |
284 | auto& impl = thisObject.wrapped(); |
285 | JSValue result = toJS<IDLDOMString>(state, throwScope, impl.filename()); |
286 | return result; |
287 | } |
288 | |
289 | EncodedJSValue jsDOMPluginFilename(ExecState* state, EncodedJSValue thisValue, PropertyName) |
290 | { |
291 | return IDLAttribute<JSDOMPlugin>::get<jsDOMPluginFilenameGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "filename" ); |
292 | } |
293 | |
294 | static inline JSValue jsDOMPluginDescriptionGetter(ExecState& state, JSDOMPlugin& thisObject, ThrowScope& throwScope) |
295 | { |
296 | UNUSED_PARAM(throwScope); |
297 | UNUSED_PARAM(state); |
298 | auto& impl = thisObject.wrapped(); |
299 | JSValue result = toJS<IDLDOMString>(state, throwScope, impl.description()); |
300 | return result; |
301 | } |
302 | |
303 | EncodedJSValue jsDOMPluginDescription(ExecState* state, EncodedJSValue thisValue, PropertyName) |
304 | { |
305 | return IDLAttribute<JSDOMPlugin>::get<jsDOMPluginDescriptionGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "description" ); |
306 | } |
307 | |
308 | static inline JSValue jsDOMPluginLengthGetter(ExecState& state, JSDOMPlugin& thisObject, ThrowScope& throwScope) |
309 | { |
310 | UNUSED_PARAM(throwScope); |
311 | UNUSED_PARAM(state); |
312 | auto& impl = thisObject.wrapped(); |
313 | JSValue result = toJS<IDLUnsignedLong>(state, throwScope, impl.length()); |
314 | return result; |
315 | } |
316 | |
317 | EncodedJSValue jsDOMPluginLength(ExecState* state, EncodedJSValue thisValue, PropertyName) |
318 | { |
319 | return IDLAttribute<JSDOMPlugin>::get<jsDOMPluginLengthGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "length" ); |
320 | } |
321 | |
322 | static inline JSC::EncodedJSValue jsDOMPluginPrototypeFunctionItemBody(JSC::ExecState* state, typename IDLOperation<JSDOMPlugin>::ClassParameter castedThis, JSC::ThrowScope& throwScope) |
323 | { |
324 | UNUSED_PARAM(state); |
325 | UNUSED_PARAM(throwScope); |
326 | auto& impl = castedThis->wrapped(); |
327 | if (UNLIKELY(state->argumentCount() < 1)) |
328 | return throwVMError(state, throwScope, createNotEnoughArgumentsError(state)); |
329 | auto index = convert<IDLUnsignedLong>(*state, state->uncheckedArgument(0)); |
330 | RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); |
331 | return JSValue::encode(toJS<IDLNullable<IDLInterface<DOMMimeType>>>(*state, *castedThis->globalObject(), impl.item(WTFMove(index)))); |
332 | } |
333 | |
334 | EncodedJSValue JSC_HOST_CALL jsDOMPluginPrototypeFunctionItem(ExecState* state) |
335 | { |
336 | return IDLOperation<JSDOMPlugin>::call<jsDOMPluginPrototypeFunctionItemBody>(*state, "item" ); |
337 | } |
338 | |
339 | static inline JSC::EncodedJSValue jsDOMPluginPrototypeFunctionNamedItemBody(JSC::ExecState* state, typename IDLOperation<JSDOMPlugin>::ClassParameter castedThis, JSC::ThrowScope& throwScope) |
340 | { |
341 | UNUSED_PARAM(state); |
342 | UNUSED_PARAM(throwScope); |
343 | auto& impl = castedThis->wrapped(); |
344 | if (UNLIKELY(state->argumentCount() < 1)) |
345 | return throwVMError(state, throwScope, createNotEnoughArgumentsError(state)); |
346 | auto name = convert<IDLDOMString>(*state, state->uncheckedArgument(0)); |
347 | RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); |
348 | return JSValue::encode(toJS<IDLNullable<IDLInterface<DOMMimeType>>>(*state, *castedThis->globalObject(), impl.namedItem(WTFMove(name)))); |
349 | } |
350 | |
351 | EncodedJSValue JSC_HOST_CALL jsDOMPluginPrototypeFunctionNamedItem(ExecState* state) |
352 | { |
353 | return IDLOperation<JSDOMPlugin>::call<jsDOMPluginPrototypeFunctionNamedItemBody>(*state, "namedItem" ); |
354 | } |
355 | |
356 | void JSDOMPlugin::heapSnapshot(JSCell* cell, HeapSnapshotBuilder& builder) |
357 | { |
358 | auto* thisObject = jsCast<JSDOMPlugin*>(cell); |
359 | builder.setWrappedObjectForCell(cell, &thisObject->wrapped()); |
360 | if (thisObject->scriptExecutionContext()) |
361 | builder.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string()); |
362 | Base::heapSnapshot(cell, builder); |
363 | } |
364 | |
365 | bool JSDOMPluginOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor, const char** reason) |
366 | { |
367 | UNUSED_PARAM(handle); |
368 | UNUSED_PARAM(visitor); |
369 | UNUSED_PARAM(reason); |
370 | return false; |
371 | } |
372 | |
373 | void JSDOMPluginOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context) |
374 | { |
375 | auto* jsDOMPlugin = static_cast<JSDOMPlugin*>(handle.slot()->asCell()); |
376 | auto& world = *static_cast<DOMWrapperWorld*>(context); |
377 | uncacheWrapper(world, &jsDOMPlugin->wrapped(), jsDOMPlugin); |
378 | } |
379 | |
380 | #if ENABLE(BINDING_INTEGRITY) |
381 | #if PLATFORM(WIN) |
382 | #pragma warning(disable: 4483) |
383 | extern "C" { extern void (*const __identifier("??_7DOMPlugin@WebCore@@6B@" )[])(); } |
384 | #else |
385 | extern "C" { extern void* _ZTVN7WebCore9DOMPluginE[]; } |
386 | #endif |
387 | #endif |
388 | |
389 | JSC::JSValue toJSNewlyCreated(JSC::ExecState*, JSDOMGlobalObject* globalObject, Ref<DOMPlugin>&& impl) |
390 | { |
391 | |
392 | #if ENABLE(BINDING_INTEGRITY) |
393 | void* actualVTablePointer = *(reinterpret_cast<void**>(impl.ptr())); |
394 | #if PLATFORM(WIN) |
395 | void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(__identifier("??_7DOMPlugin@WebCore@@6B@" )); |
396 | #else |
397 | void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(&_ZTVN7WebCore9DOMPluginE[2]); |
398 | #endif |
399 | |
400 | // If this fails DOMPlugin does not have a vtable, so you need to add the |
401 | // ImplementationLacksVTable attribute to the interface definition |
402 | static_assert(std::is_polymorphic<DOMPlugin>::value, "DOMPlugin is not polymorphic" ); |
403 | |
404 | // If you hit this assertion you either have a use after free bug, or |
405 | // DOMPlugin has subclasses. If DOMPlugin has subclasses that get passed |
406 | // to toJS() we currently require DOMPlugin you to opt out of binding hardening |
407 | // by adding the SkipVTableValidation attribute to the interface IDL definition |
408 | RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer); |
409 | #endif |
410 | return createWrapper<DOMPlugin>(globalObject, WTFMove(impl)); |
411 | } |
412 | |
413 | JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, DOMPlugin& impl) |
414 | { |
415 | return wrap(state, globalObject, impl); |
416 | } |
417 | |
418 | DOMPlugin* JSDOMPlugin::toWrapped(JSC::VM& vm, JSC::JSValue value) |
419 | { |
420 | if (auto* wrapper = jsDynamicCast<JSDOMPlugin*>(vm, value)) |
421 | return &wrapper->wrapped(); |
422 | return nullptr; |
423 | } |
424 | |
425 | } |
426 | |