| 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 "JSAbortSignal.h" |
| 23 | |
| 24 | #include "EventNames.h" |
| 25 | #include "JSDOMAttribute.h" |
| 26 | #include "JSDOMBinding.h" |
| 27 | #include "JSDOMConstructorNotConstructable.h" |
| 28 | #include "JSDOMConvertBoolean.h" |
| 29 | #include "JSDOMExceptionHandling.h" |
| 30 | #include "JSDOMWrapperCache.h" |
| 31 | #include "JSEventListener.h" |
| 32 | #include "ScriptExecutionContext.h" |
| 33 | #include <JavaScriptCore/HeapSnapshotBuilder.h> |
| 34 | #include <JavaScriptCore/JSCInlines.h> |
| 35 | #include <wtf/GetPtr.h> |
| 36 | #include <wtf/PointerPreparations.h> |
| 37 | #include <wtf/URL.h> |
| 38 | |
| 39 | |
| 40 | namespace WebCore { |
| 41 | using namespace JSC; |
| 42 | |
| 43 | // Attributes |
| 44 | |
| 45 | JSC::EncodedJSValue jsAbortSignalConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); |
| 46 | bool setJSAbortSignalConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue); |
| 47 | JSC::EncodedJSValue jsAbortSignalAborted(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); |
| 48 | JSC::EncodedJSValue jsAbortSignalOnabort(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); |
| 49 | bool setJSAbortSignalOnabort(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue); |
| 50 | |
| 51 | class JSAbortSignalPrototype : public JSC::JSNonFinalObject { |
| 52 | public: |
| 53 | using Base = JSC::JSNonFinalObject; |
| 54 | static JSAbortSignalPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure) |
| 55 | { |
| 56 | JSAbortSignalPrototype* ptr = new (NotNull, JSC::allocateCell<JSAbortSignalPrototype>(vm.heap)) JSAbortSignalPrototype(vm, globalObject, structure); |
| 57 | ptr->finishCreation(vm); |
| 58 | return ptr; |
| 59 | } |
| 60 | |
| 61 | DECLARE_INFO; |
| 62 | static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype) |
| 63 | { |
| 64 | return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info()); |
| 65 | } |
| 66 | |
| 67 | private: |
| 68 | JSAbortSignalPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure) |
| 69 | : JSC::JSNonFinalObject(vm, structure) |
| 70 | { |
| 71 | } |
| 72 | |
| 73 | void finishCreation(JSC::VM&); |
| 74 | }; |
| 75 | |
| 76 | using JSAbortSignalConstructor = JSDOMConstructorNotConstructable<JSAbortSignal>; |
| 77 | |
| 78 | template<> JSValue JSAbortSignalConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject) |
| 79 | { |
| 80 | return JSEventTarget::getConstructor(vm, &globalObject); |
| 81 | } |
| 82 | |
| 83 | template<> void JSAbortSignalConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject) |
| 84 | { |
| 85 | putDirect(vm, vm.propertyNames->prototype, JSAbortSignal::prototype(vm, globalObject), JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
| 86 | putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String("AbortSignal"_s )), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
| 87 | putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
| 88 | } |
| 89 | |
| 90 | template<> const ClassInfo JSAbortSignalConstructor::s_info = { "AbortSignal" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortSignalConstructor) }; |
| 91 | |
| 92 | /* Hash table for prototype */ |
| 93 | |
| 94 | static const HashTableValue JSAbortSignalPrototypeTableValues[] = |
| 95 | { |
| 96 | { "constructor" , static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsAbortSignalConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSAbortSignalConstructor) } }, |
| 97 | { "aborted" , static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsAbortSignalAborted), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, |
| 98 | { "onabort" , static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsAbortSignalOnabort), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSAbortSignalOnabort) } }, |
| 99 | }; |
| 100 | |
| 101 | const ClassInfo JSAbortSignalPrototype::s_info = { "AbortSignalPrototype" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortSignalPrototype) }; |
| 102 | |
| 103 | void JSAbortSignalPrototype::finishCreation(VM& vm) |
| 104 | { |
| 105 | Base::finishCreation(vm); |
| 106 | reifyStaticProperties(vm, JSAbortSignal::info(), JSAbortSignalPrototypeTableValues, *this); |
| 107 | } |
| 108 | |
| 109 | const ClassInfo JSAbortSignal::s_info = { "AbortSignal" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortSignal) }; |
| 110 | |
| 111 | JSAbortSignal::JSAbortSignal(Structure* structure, JSDOMGlobalObject& globalObject, Ref<AbortSignal>&& impl) |
| 112 | : JSEventTarget(structure, globalObject, WTFMove(impl)) |
| 113 | { |
| 114 | } |
| 115 | |
| 116 | void JSAbortSignal::finishCreation(VM& vm) |
| 117 | { |
| 118 | Base::finishCreation(vm); |
| 119 | ASSERT(inherits(vm, info())); |
| 120 | |
| 121 | } |
| 122 | |
| 123 | JSObject* JSAbortSignal::createPrototype(VM& vm, JSDOMGlobalObject& globalObject) |
| 124 | { |
| 125 | return JSAbortSignalPrototype::create(vm, &globalObject, JSAbortSignalPrototype::createStructure(vm, &globalObject, JSEventTarget::prototype(vm, globalObject))); |
| 126 | } |
| 127 | |
| 128 | JSObject* JSAbortSignal::prototype(VM& vm, JSDOMGlobalObject& globalObject) |
| 129 | { |
| 130 | return getDOMPrototype<JSAbortSignal>(vm, globalObject); |
| 131 | } |
| 132 | |
| 133 | JSValue JSAbortSignal::getConstructor(VM& vm, const JSGlobalObject* globalObject) |
| 134 | { |
| 135 | return getDOMConstructor<JSAbortSignalConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject)); |
| 136 | } |
| 137 | |
| 138 | template<> inline JSAbortSignal* IDLAttribute<JSAbortSignal>::cast(ExecState& state, EncodedJSValue thisValue) |
| 139 | { |
| 140 | return jsDynamicCast<JSAbortSignal*>(state.vm(), JSValue::decode(thisValue)); |
| 141 | } |
| 142 | |
| 143 | EncodedJSValue jsAbortSignalConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName) |
| 144 | { |
| 145 | VM& vm = state->vm(); |
| 146 | auto throwScope = DECLARE_THROW_SCOPE(vm); |
| 147 | auto* prototype = jsDynamicCast<JSAbortSignalPrototype*>(vm, JSValue::decode(thisValue)); |
| 148 | if (UNLIKELY(!prototype)) |
| 149 | return throwVMTypeError(state, throwScope); |
| 150 | return JSValue::encode(JSAbortSignal::getConstructor(state->vm(), prototype->globalObject())); |
| 151 | } |
| 152 | |
| 153 | bool setJSAbortSignalConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue) |
| 154 | { |
| 155 | VM& vm = state->vm(); |
| 156 | auto throwScope = DECLARE_THROW_SCOPE(vm); |
| 157 | auto* prototype = jsDynamicCast<JSAbortSignalPrototype*>(vm, JSValue::decode(thisValue)); |
| 158 | if (UNLIKELY(!prototype)) { |
| 159 | throwVMTypeError(state, throwScope); |
| 160 | return false; |
| 161 | } |
| 162 | // Shadowing a built-in constructor |
| 163 | return prototype->putDirect(vm, vm.propertyNames->constructor, JSValue::decode(encodedValue)); |
| 164 | } |
| 165 | |
| 166 | static inline JSValue jsAbortSignalAbortedGetter(ExecState& state, JSAbortSignal& thisObject, ThrowScope& throwScope) |
| 167 | { |
| 168 | UNUSED_PARAM(throwScope); |
| 169 | UNUSED_PARAM(state); |
| 170 | auto& impl = thisObject.wrapped(); |
| 171 | JSValue result = toJS<IDLBoolean>(state, throwScope, impl.aborted()); |
| 172 | return result; |
| 173 | } |
| 174 | |
| 175 | EncodedJSValue jsAbortSignalAborted(ExecState* state, EncodedJSValue thisValue, PropertyName) |
| 176 | { |
| 177 | return IDLAttribute<JSAbortSignal>::get<jsAbortSignalAbortedGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "aborted" ); |
| 178 | } |
| 179 | |
| 180 | static inline JSValue jsAbortSignalOnabortGetter(ExecState& state, JSAbortSignal& thisObject, ThrowScope& throwScope) |
| 181 | { |
| 182 | UNUSED_PARAM(throwScope); |
| 183 | UNUSED_PARAM(state); |
| 184 | return eventHandlerAttribute(thisObject.wrapped(), eventNames().abortEvent, worldForDOMObject(thisObject)); |
| 185 | } |
| 186 | |
| 187 | EncodedJSValue jsAbortSignalOnabort(ExecState* state, EncodedJSValue thisValue, PropertyName) |
| 188 | { |
| 189 | return IDLAttribute<JSAbortSignal>::get<jsAbortSignalOnabortGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "onabort" ); |
| 190 | } |
| 191 | |
| 192 | static inline bool setJSAbortSignalOnabortSetter(ExecState& state, JSAbortSignal& thisObject, JSValue value, ThrowScope& throwScope) |
| 193 | { |
| 194 | UNUSED_PARAM(throwScope); |
| 195 | setEventHandlerAttribute(state, thisObject, thisObject.wrapped(), eventNames().abortEvent, value); |
| 196 | return true; |
| 197 | } |
| 198 | |
| 199 | bool setJSAbortSignalOnabort(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue) |
| 200 | { |
| 201 | return IDLAttribute<JSAbortSignal>::set<setJSAbortSignalOnabortSetter>(*state, thisValue, encodedValue, "onabort" ); |
| 202 | } |
| 203 | |
| 204 | void JSAbortSignal::heapSnapshot(JSCell* cell, HeapSnapshotBuilder& builder) |
| 205 | { |
| 206 | auto* thisObject = jsCast<JSAbortSignal*>(cell); |
| 207 | builder.setWrappedObjectForCell(cell, &thisObject->wrapped()); |
| 208 | if (thisObject->scriptExecutionContext()) |
| 209 | builder.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string()); |
| 210 | Base::heapSnapshot(cell, builder); |
| 211 | } |
| 212 | |
| 213 | #if ENABLE(BINDING_INTEGRITY) |
| 214 | #if PLATFORM(WIN) |
| 215 | #pragma warning(disable: 4483) |
| 216 | extern "C" { extern void (*const __identifier("??_7AbortSignal@WebCore@@6B@" )[])(); } |
| 217 | #else |
| 218 | extern "C" { extern void* _ZTVN7WebCore11AbortSignalE[]; } |
| 219 | #endif |
| 220 | #endif |
| 221 | |
| 222 | JSC::JSValue toJSNewlyCreated(JSC::ExecState*, JSDOMGlobalObject* globalObject, Ref<AbortSignal>&& impl) |
| 223 | { |
| 224 | |
| 225 | #if ENABLE(BINDING_INTEGRITY) |
| 226 | void* actualVTablePointer = *(reinterpret_cast<void**>(impl.ptr())); |
| 227 | #if PLATFORM(WIN) |
| 228 | void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(__identifier("??_7AbortSignal@WebCore@@6B@" )); |
| 229 | #else |
| 230 | void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(&_ZTVN7WebCore11AbortSignalE[2]); |
| 231 | #endif |
| 232 | |
| 233 | // If this fails AbortSignal does not have a vtable, so you need to add the |
| 234 | // ImplementationLacksVTable attribute to the interface definition |
| 235 | static_assert(std::is_polymorphic<AbortSignal>::value, "AbortSignal is not polymorphic" ); |
| 236 | |
| 237 | // If you hit this assertion you either have a use after free bug, or |
| 238 | // AbortSignal has subclasses. If AbortSignal has subclasses that get passed |
| 239 | // to toJS() we currently require AbortSignal you to opt out of binding hardening |
| 240 | // by adding the SkipVTableValidation attribute to the interface IDL definition |
| 241 | RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer); |
| 242 | #endif |
| 243 | return createWrapper<AbortSignal>(globalObject, WTFMove(impl)); |
| 244 | } |
| 245 | |
| 246 | JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, AbortSignal& impl) |
| 247 | { |
| 248 | return wrap(state, globalObject, impl); |
| 249 | } |
| 250 | |
| 251 | AbortSignal* JSAbortSignal::toWrapped(JSC::VM& vm, JSC::JSValue value) |
| 252 | { |
| 253 | if (auto* wrapper = jsDynamicCast<JSAbortSignal*>(vm, value)) |
| 254 | return &wrapper->wrapped(); |
| 255 | return nullptr; |
| 256 | } |
| 257 | |
| 258 | } |
| 259 | |