1 /* 2 This file is part of the Blink open source project. 3 This file has been auto-generated by CodeGeneratorV8.pm. 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., 59 Temple Place - Suite 330, 18 Boston, MA 02111-1307, USA. 19 */ 20 21 #include "config.h" 22 #include "V8Float64Array.h" 23 24 #include "RuntimeEnabledFeatures.h" 25 #include "V8ArrayBufferView.h" 26 #include "bindings/v8/ExceptionState.h" 27 #include "bindings/v8/ScriptController.h" 28 #include "bindings/v8/V8Binding.h" 29 #include "bindings/v8/V8DOMConfiguration.h" 30 #include "bindings/v8/V8DOMWrapper.h" 31 #include "bindings/v8/V8ObjectConstructor.h" 32 #include "bindings/v8/custom/V8ArrayBufferCustom.h" 33 #include "bindings/v8/custom/V8ArrayBufferViewCustom.h" 34 #include "bindings/v8/custom/V8Float32ArrayCustom.h" 35 #include "bindings/v8/custom/V8Float64ArrayCustom.h" 36 #include "bindings/v8/custom/V8Int32ArrayCustom.h" 37 #include "core/dom/ContextFeatures.h" 38 #include "core/dom/Document.h" 39 #include "core/page/Frame.h" 40 #include "core/platform/chromium/TraceEvent.h" 41 #include "wtf/GetPtr.h" 42 #include "wtf/RefPtr.h" 43 #include "wtf/UnusedParam.h" 44 45 namespace WebCore { 46 47 static void initializeScriptWrappableForInterface(Float64Array* object) 48 { 49 if (ScriptWrappable::wrapperCanBeStoredInObject(object)) 50 ScriptWrappable::setTypeInfoInObject(object, &V8Float64Array::info); 51 else 52 ASSERT_NOT_REACHED(); 53 } 54 55 } // namespace WebCore 56 57 // In ScriptWrappable::init, the use of a local function declaration has an issue on Windows: 58 // the local declaration does not pick up the surrounding namespace. Therefore, we provide this function 59 // in the global namespace. 60 // (More info on the MSVC bug here: http://connect.microsoft.com/VisualStudio/feedback/details/664619/the-namespace-of-local-function-declarations-in-c) 61 void webCoreInitializeScriptWrappableForInterface(Float64Array* object) 62 { 63 WebCore::initializeScriptWrappableForInterface(object); 64 } 65 66 namespace WebCore { 67 WrapperTypeInfo V8Float64Array::info = { V8Float64Array::GetTemplate, V8Float64Array::derefObject, 0, 0, 0, V8Float64Array::installPerContextPrototypeProperties, &V8ArrayBufferView::info, WrapperTypeObjectPrototype }; 68 69 namespace Float64ArrayV8Internal { 70 71 template <typename T> void V8_USE(T) { } 72 73 static void fooMethod(const v8::FunctionCallbackInfo<v8::Value>& args) 74 { 75 if (args.Length() < 1) { 76 throwNotEnoughArgumentsError(args.GetIsolate()); 77 return; 78 } 79 Float64Array* imp = V8Float64Array::toNative(args.Holder()); 80 V8TRYCATCH_VOID(Float32Array*, array, args[0]->IsFloat32Array() ? V8Float32Array::toNative(v8::Handle<v8::Float32Array>::Cast(args[0])) : 0); 81 v8SetReturnValue(args, toV8(imp->foo(array), args.Holder(), args.GetIsolate())); 82 return; 83 } 84 85 static void fooMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args) 86 { 87 TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod"); 88 Float64ArrayV8Internal::fooMethod(args); 89 TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution"); 90 } 91 92 static void setMethod(const v8::FunctionCallbackInfo<v8::Value>& args) 93 { 94 setWebGLArrayHelper<Float64Array, V8Float64Array>(args); 95 } 96 97 static void setMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args) 98 { 99 TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod"); 100 Float64ArrayV8Internal::setMethod(args); 101 TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution"); 102 } 103 104 static void indexedPropertyGetterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info) 105 { 106 TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMIndexedProperty"); 107 V8Float64Array::indexedPropertyGetterCustom(index, info); 108 TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution"); 109 } 110 111 static void indexedPropertySetterCallback(uint32_t index, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<v8::Value>& info) 112 { 113 TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMIndexedProperty"); 114 V8Float64Array::indexedPropertySetterCustom(index, value, info); 115 TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution"); 116 } 117 118 } // namespace Float64ArrayV8Internal 119 120 v8::Handle<v8::Object> wrap(Float64Array* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate) 121 { 122 ASSERT(impl); 123 v8::Handle<v8::Object> wrapper = V8Float64Array::createWrapper(impl, creationContext, isolate); 124 if (!wrapper.IsEmpty()) 125 wrapper->SetIndexedPropertiesToExternalArrayData(impl->baseAddress(), v8::kExternalDoubleArray, impl->length()); 126 return wrapper; 127 } 128 129 static const V8DOMConfiguration::BatchedMethod V8Float64ArrayMethods[] = { 130 {"set", Float64ArrayV8Internal::setMethodCallback, 0, 0}, 131 }; 132 133 void V8Float64Array::constructorCallback(const v8::FunctionCallbackInfo<v8::Value>& args) 134 { 135 TRACE_EVENT_SCOPED_SAMPLING_STATE("Blink", "DOMConstructor"); 136 if (!args.IsConstructCall()) { 137 throwTypeError("DOM object constructor cannot be called as a function.", args.GetIsolate()); 138 return; 139 } 140 141 if (ConstructorMode::current() == ConstructorMode::WrapExistingObject) { 142 args.GetReturnValue().Set(args.Holder()); 143 return; 144 } 145 146 Float64ArrayV8Internal::constructor(args); 147 } 148 149 static v8::Handle<v8::FunctionTemplate> ConfigureV8Float64ArrayTemplate(v8::Handle<v8::FunctionTemplate> desc, v8::Isolate* isolate, WrapperWorldType currentWorldType) 150 { 151 desc->ReadOnlyPrototype(); 152 153 v8::Local<v8::Signature> defaultSignature; 154 defaultSignature = V8DOMConfiguration::configureTemplate(desc, "Float64Array", V8ArrayBufferView::GetTemplate(isolate, currentWorldType), V8Float64Array::internalFieldCount, 155 0, 0, 156 V8Float64ArrayMethods, WTF_ARRAY_LENGTH(V8Float64ArrayMethods), isolate, currentWorldType); 157 UNUSED_PARAM(defaultSignature); // In some cases, it will not be used. 158 desc->SetCallHandler(V8Float64Array::constructorCallback); 159 desc->SetLength(1); 160 v8::Local<v8::ObjectTemplate> instance = desc->InstanceTemplate(); 161 v8::Local<v8::ObjectTemplate> proto = desc->PrototypeTemplate(); 162 UNUSED_PARAM(instance); // In some cases, it will not be used. 163 UNUSED_PARAM(proto); // In some cases, it will not be used. 164 desc->InstanceTemplate()->SetIndexedPropertyHandler(Float64ArrayV8Internal::indexedPropertyGetterCallback, Float64ArrayV8Internal::indexedPropertySetterCallback, 0, 0, indexedPropertyEnumerator<Float64Array>); 165 166 // Custom Signature 'foo' 167 const int fooArgc = 1; 168 v8::Handle<v8::FunctionTemplate> fooArgv[fooArgc] = { v8::Handle<v8::FunctionTemplate>() }; 169 v8::Handle<v8::Signature> fooSignature = v8::Signature::New(desc, fooArgc, fooArgv); 170 proto->Set(v8::String::NewSymbol("foo"), v8::FunctionTemplate::New(Float64ArrayV8Internal::fooMethodCallback, v8Undefined(), fooSignature, 1)); 171 172 // Custom toString template 173 desc->Set(v8::String::NewSymbol("toString"), V8PerIsolateData::current()->toStringTemplate()); 174 return desc; 175 } 176 177 v8::Handle<v8::FunctionTemplate> V8Float64Array::GetTemplate(v8::Isolate* isolate, WrapperWorldType currentWorldType) 178 { 179 V8PerIsolateData* data = V8PerIsolateData::from(isolate); 180 V8PerIsolateData::TemplateMap::iterator result = data->templateMap(currentWorldType).find(&info); 181 if (result != data->templateMap(currentWorldType).end()) 182 return result->value.newLocal(isolate); 183 184 TRACE_EVENT_SCOPED_SAMPLING_STATE("Blink", "BuildDOMTemplate"); 185 v8::HandleScope handleScope(isolate); 186 v8::Handle<v8::FunctionTemplate> templ = 187 ConfigureV8Float64ArrayTemplate(data->rawTemplate(&info, currentWorldType), isolate, currentWorldType); 188 data->templateMap(currentWorldType).add(&info, UnsafePersistent<v8::FunctionTemplate>(isolate, templ)); 189 return handleScope.Close(templ); 190 } 191 192 bool V8Float64Array::HasInstance(v8::Handle<v8::Value> value, v8::Isolate* isolate, WrapperWorldType currentWorldType) 193 { 194 return V8PerIsolateData::from(isolate)->hasInstance(&info, value, currentWorldType); 195 } 196 197 bool V8Float64Array::HasInstanceInAnyWorld(v8::Handle<v8::Value> value, v8::Isolate* isolate) 198 { 199 return V8PerIsolateData::from(isolate)->hasInstance(&info, value, MainWorld) 200 || V8PerIsolateData::from(isolate)->hasInstance(&info, value, IsolatedWorld) 201 || V8PerIsolateData::from(isolate)->hasInstance(&info, value, WorkerWorld); 202 } 203 204 205 v8::Handle<v8::Object> V8Float64Array::createWrapper(PassRefPtr<Float64Array> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate) 206 { 207 ASSERT(impl.get()); 208 ASSERT(DOMDataStore::getWrapper<V8Float64Array>(impl.get(), isolate).IsEmpty()); 209 if (ScriptWrappable::wrapperCanBeStoredInObject(impl.get())) { 210 const WrapperTypeInfo* actualInfo = ScriptWrappable::getTypeInfoFromObject(impl.get()); 211 // Might be a XXXConstructor::info instead of an XXX::info. These will both have 212 // the same object de-ref functions, though, so use that as the basis of the check. 213 RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(actualInfo->derefObjectFunction == info.derefObjectFunction); 214 } 215 216 217 v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(creationContext, &info, toInternalPointer(impl.get()), isolate); 218 if (UNLIKELY(wrapper.IsEmpty())) 219 return wrapper; 220 if (!impl->buffer()->hasDeallocationObserver()) { 221 v8::V8::AdjustAmountOfExternalAllocatedMemory(impl->buffer()->byteLength()); 222 impl->buffer()->setDeallocationObserver(V8ArrayBufferDeallocationObserver::instance()); 223 } 224 installPerContextProperties(wrapper, impl.get(), isolate); 225 V8DOMWrapper::associateObjectWithWrapper<V8Float64Array>(impl, &info, wrapper, isolate, WrapperConfiguration::Independent); 226 return wrapper; 227 } 228 void V8Float64Array::derefObject(void* object) 229 { 230 fromInternalPointer(object)->deref(); 231 } 232 233 } // namespace WebCore 234
