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| 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., 59 Temple Place - Suite 330, | |
| 18 Boston, MA 02111-1307, USA. | |
| 19 */ | |
| 20 | |
| 21 #include "config.h" | |
| 22 #include "V8Float64Array.h" | |
| 23 | |
| 24 #include "BindingState.h" | |
| 25 #include "ContextFeatures.h" | |
| 26 #include "ExceptionCode.h" | |
| 27 #include "Frame.h" | |
| 28 #include "RuntimeEnabledFeatures.h" | |
| 29 #include "V8ArrayBufferView.h" | |
| 30 #include "V8ArrayBufferViewCustom.h" | |
| 31 #include "V8Binding.h" | |
| 32 #include "V8DOMWrapper.h" | |
| 33 #include "V8Float32Array.h" | |
| 34 #include "V8Int32Array.h" | |
| 35 #include <wtf/Float32Array.h> | |
| 36 #include <wtf/Float64Array.h> | |
| 37 #include <wtf/GetPtr.h> | |
| 38 #include <wtf/Int32Array.h> | |
| 39 #include <wtf/RefCounted.h> | |
| 40 #include <wtf/RefPtr.h> | |
| 41 #include <wtf/UnusedParam.h> | |
| 42 | |
| 43 #if ENABLE(BINDING_INTEGRITY) | |
| 44 #if defined(OS_WIN) | |
| 45 #pragma warning(disable: 4483) | |
| 46 extern "C" { extern void (*const __identifier("??_7Float64Array@WebCore@@6B@")[]
)(); } | |
| 47 #else | |
| 48 extern "C" { extern void* _ZTVN7WebCore12Float64ArrayE[]; } | |
| 49 #endif | |
| 50 #endif // ENABLE(BINDING_INTEGRITY) | |
| 51 | |
| 52 namespace WebCore { | |
| 53 | |
| 54 #if ENABLE(BINDING_INTEGRITY) | |
| 55 // This checks if a DOM object that is about to be wrapped is valid. | |
| 56 // Specifically, it checks that a vtable of the DOM object is equal to | |
| 57 // a vtable of an expected class. | |
| 58 // Due to a dangling pointer, the DOM object you are wrapping might be | |
| 59 // already freed or realloced. If freed, the check will fail because | |
| 60 // a free list pointer should be stored at the head of the DOM object. | |
| 61 // If realloced, the check will fail because the vtable of the DOM object | |
| 62 // differs from the expected vtable (unless the same class of DOM object | |
| 63 // is realloced on the slot). | |
| 64 inline void checkTypeOrDieTrying(Float64Array* object) | |
| 65 { | |
| 66 void* actualVTablePointer = *(reinterpret_cast<void**>(object)); | |
| 67 #if defined(OS_WIN) | |
| 68 void* expectedVTablePointer = reinterpret_cast<void*>(__identifier("??_7Floa
t64Array@WebCore@@6B@")); | |
| 69 #else | |
| 70 void* expectedVTablePointer = &_ZTVN7WebCore12Float64ArrayE[2]; | |
| 71 #endif | |
| 72 if (actualVTablePointer != expectedVTablePointer) | |
| 73 CRASH(); | |
| 74 } | |
| 75 #endif // ENABLE(BINDING_INTEGRITY) | |
| 76 | |
| 77 WrapperTypeInfo V8Float64Array::info = { V8Float64Array::GetTemplate, V8Float64A
rray::derefObject, 0, 0, 0, V8Float64Array::installPerContextPrototypeProperties
, &V8ArrayBufferView::info, WrapperTypeObjectPrototype }; | |
| 78 | |
| 79 namespace Float64ArrayV8Internal { | |
| 80 | |
| 81 template <typename T> void V8_USE(T) { } | |
| 82 | |
| 83 static v8::Handle<v8::Value> fooMethod(const v8::Arguments& args) | |
| 84 { | |
| 85 if (args.Length() < 1) | |
| 86 return throwNotEnoughArgumentsError(args.GetIsolate()); | |
| 87 Float64Array* imp = V8Float64Array::toNative(args.Holder()); | |
| 88 V8TRYCATCH(Float32Array*, array, V8Float32Array::HasInstance(args[0], args.G
etIsolate(), worldType(args.GetIsolate())) ? V8Float32Array::toNative(v8::Handle
<v8::Object>::Cast(args[0])) : 0); | |
| 89 return toV8(imp->foo(array), args.Holder(), args.GetIsolate()); | |
| 90 } | |
| 91 | |
| 92 static v8::Handle<v8::Value> fooMethodCallback(const v8::Arguments& args) | |
| 93 { | |
| 94 return Float64ArrayV8Internal::fooMethod(args); | |
| 95 } | |
| 96 | |
| 97 static v8::Handle<v8::Value> setMethod(const v8::Arguments& args) | |
| 98 { | |
| 99 return setWebGLArrayHelper<Float64Array, V8Float64Array>(args); | |
| 100 } | |
| 101 | |
| 102 static v8::Handle<v8::Value> setMethodCallback(const v8::Arguments& args) | |
| 103 { | |
| 104 return Float64ArrayV8Internal::setMethod(args); | |
| 105 } | |
| 106 | |
| 107 static v8::Handle<v8::Value> constructor(const v8::Arguments& args) | |
| 108 { | |
| 109 return constructWebGLArray<Float64Array, V8Float64Array, double>(args, &V8Fl
oat64Array::info, v8::kExternalDoubleArray); | |
| 110 } | |
| 111 | |
| 112 } // namespace Float64ArrayV8Internal | |
| 113 | |
| 114 v8::Handle<v8::Object> wrap(Float64Array* impl, v8::Handle<v8::Object> creationC
ontext, v8::Isolate* isolate) | |
| 115 { | |
| 116 ASSERT(impl); | |
| 117 v8::Handle<v8::Object> wrapper = V8Float64Array::createWrapper(impl, creatio
nContext, isolate); | |
| 118 if (!wrapper.IsEmpty()) | |
| 119 wrapper->SetIndexedPropertiesToExternalArrayData(impl->baseAddress(), v8
::kExternalDoubleArray, impl->length()); | |
| 120 return wrapper; | |
| 121 } | |
| 122 | |
| 123 static const V8DOMConfiguration::BatchedMethod V8Float64ArrayMethods[] = { | |
| 124 {"set", Float64ArrayV8Internal::setMethodCallback, 0}, | |
| 125 }; | |
| 126 | |
| 127 v8::Handle<v8::Value> V8Float64Array::constructorCallback(const v8::Arguments& a
rgs) | |
| 128 { | |
| 129 if (!args.IsConstructCall()) | |
| 130 return throwTypeError("DOM object constructor cannot be called as a func
tion.", args.GetIsolate()); | |
| 131 | |
| 132 if (ConstructorMode::current() == ConstructorMode::WrapExistingObject) | |
| 133 return args.Holder(); | |
| 134 | |
| 135 return Float64ArrayV8Internal::constructor(args); | |
| 136 } | |
| 137 | |
| 138 static v8::Persistent<v8::FunctionTemplate> ConfigureV8Float64ArrayTemplate(v8::
Persistent<v8::FunctionTemplate> desc, v8::Isolate* isolate, WrapperWorldType cu
rrentWorldType) | |
| 139 { | |
| 140 desc->ReadOnlyPrototype(); | |
| 141 | |
| 142 v8::Local<v8::Signature> defaultSignature; | |
| 143 defaultSignature = V8DOMConfiguration::configureTemplate(desc, "Float64Array
", V8ArrayBufferView::GetTemplate(isolate, currentWorldType), V8Float64Array::in
ternalFieldCount, | |
| 144 0, 0, | |
| 145 V8Float64ArrayMethods, WTF_ARRAY_LENGTH(V8Float64ArrayMethods), isolate,
currentWorldType); | |
| 146 UNUSED_PARAM(defaultSignature); // In some cases, it will not be used. | |
| 147 desc->SetCallHandler(V8Float64Array::constructorCallback); | |
| 148 v8::Local<v8::ObjectTemplate> instance = desc->InstanceTemplate(); | |
| 149 v8::Local<v8::ObjectTemplate> proto = desc->PrototypeTemplate(); | |
| 150 UNUSED_PARAM(instance); // In some cases, it will not be used. | |
| 151 UNUSED_PARAM(proto); // In some cases, it will not be used. | |
| 152 | |
| 153 | |
| 154 // Custom Signature 'foo' | |
| 155 const int fooArgc = 1; | |
| 156 v8::Handle<v8::FunctionTemplate> fooArgv[fooArgc] = { V8PerIsolateData::from
(isolate)->rawTemplate(&V8Float32Array::info, currentWorldType) }; | |
| 157 v8::Handle<v8::Signature> fooSignature = v8::Signature::New(desc, fooArgc, f
ooArgv); | |
| 158 proto->Set(v8::String::NewSymbol("foo"), v8::FunctionTemplate::New(Float64Ar
rayV8Internal::fooMethodCallback, v8Undefined(), fooSignature)); | |
| 159 | |
| 160 // Custom toString template | |
| 161 desc->Set(v8::String::NewSymbol("toString"), V8PerIsolateData::current()->to
StringTemplate()); | |
| 162 return desc; | |
| 163 } | |
| 164 | |
| 165 v8::Persistent<v8::FunctionTemplate> V8Float64Array::GetTemplate(v8::Isolate* is
olate, WrapperWorldType currentWorldType) | |
| 166 { | |
| 167 V8PerIsolateData* data = V8PerIsolateData::from(isolate); | |
| 168 V8PerIsolateData::TemplateMap::iterator result = data->templateMap(currentWo
rldType).find(&info); | |
| 169 if (result != data->templateMap(currentWorldType).end()) | |
| 170 return result->value; | |
| 171 | |
| 172 v8::HandleScope handleScope; | |
| 173 v8::Persistent<v8::FunctionTemplate> templ = | |
| 174 ConfigureV8Float64ArrayTemplate(data->rawTemplate(&info, currentWorldTyp
e), isolate, currentWorldType); | |
| 175 data->templateMap(currentWorldType).add(&info, templ); | |
| 176 return templ; | |
| 177 } | |
| 178 | |
| 179 bool V8Float64Array::HasInstance(v8::Handle<v8::Value> value, v8::Isolate* isola
te, WrapperWorldType currentWorldType) | |
| 180 { | |
| 181 return V8PerIsolateData::from(isolate)->hasInstance(&info, value, currentWor
ldType); | |
| 182 } | |
| 183 | |
| 184 bool V8Float64Array::HasInstanceInAnyWorld(v8::Handle<v8::Value> value, v8::Isol
ate* isolate) | |
| 185 { | |
| 186 return V8PerIsolateData::from(isolate)->hasInstance(&info, value, MainWorld) | |
| 187 || V8PerIsolateData::from(isolate)->hasInstance(&info, value, IsolatedWo
rld) | |
| 188 || V8PerIsolateData::from(isolate)->hasInstance(&info, value, WorkerWorl
d); | |
| 189 } | |
| 190 | |
| 191 | |
| 192 v8::Handle<v8::Object> V8Float64Array::createWrapper(PassRefPtr<Float64Array> im
pl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate) | |
| 193 { | |
| 194 ASSERT(impl.get()); | |
| 195 ASSERT(DOMDataStore::getWrapper(impl.get(), isolate).IsEmpty()); | |
| 196 | |
| 197 #if ENABLE(BINDING_INTEGRITY) | |
| 198 checkTypeOrDieTrying(impl.get()); | |
| 199 #endif | |
| 200 ASSERT(static_cast<void*>(static_cast<ArrayBufferView*>(impl.get())) == stat
ic_cast<void*>(impl.get())); | |
| 201 | |
| 202 v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(creationContext
, &info, impl.get(), isolate); | |
| 203 if (UNLIKELY(wrapper.IsEmpty())) | |
| 204 return wrapper; | |
| 205 | |
| 206 installPerContextProperties(wrapper, impl.get(), isolate); | |
| 207 V8DOMWrapper::associateObjectWithWrapper(impl, &info, wrapper, isolate, hasD
ependentLifetime ? WrapperConfiguration::Dependent : WrapperConfiguration::Indep
endent); | |
| 208 return wrapper; | |
| 209 } | |
| 210 void V8Float64Array::derefObject(void* object) | |
| 211 { | |
| 212 static_cast<Float64Array*>(object)->deref(); | |
| 213 } | |
| 214 | |
| 215 } // namespace WebCore | |
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