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Side by Side Diff: Source/WebCore/bindings/scripts/test/V8/V8TestException.cpp

Issue 13937004: Move bindings-tests to bindings/tests (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 8 months ago
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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 "V8TestException.h"
23
24 #include "BindingState.h"
25 #include "ContextFeatures.h"
26 #include "Frame.h"
27 #include "RuntimeEnabledFeatures.h"
28 #include "V8Binding.h"
29 #include "V8DOMWrapper.h"
30 #include <wtf/UnusedParam.h>
31
32 #if ENABLE(BINDING_INTEGRITY)
33 #if defined(OS_WIN)
34 #pragma warning(disable: 4483)
35 extern "C" { extern void (*const __identifier("??_7TestException@WebCore@@6B@")[ ])(); }
36 #else
37 extern "C" { extern void* _ZTVN7WebCore13TestExceptionE[]; }
38 #endif
39 #endif // ENABLE(BINDING_INTEGRITY)
40
41 namespace WebCore {
42
43 #if ENABLE(BINDING_INTEGRITY)
44 // This checks if a DOM object that is about to be wrapped is valid.
45 // Specifically, it checks that a vtable of the DOM object is equal to
46 // a vtable of an expected class.
47 // Due to a dangling pointer, the DOM object you are wrapping might be
48 // already freed or realloced. If freed, the check will fail because
49 // a free list pointer should be stored at the head of the DOM object.
50 // If realloced, the check will fail because the vtable of the DOM object
51 // differs from the expected vtable (unless the same class of DOM object
52 // is realloced on the slot).
53 inline void checkTypeOrDieTrying(TestException* object)
54 {
55 void* actualVTablePointer = *(reinterpret_cast<void**>(object));
56 #if defined(OS_WIN)
57 void* expectedVTablePointer = reinterpret_cast<void*>(__identifier("??_7Test Exception@WebCore@@6B@"));
58 #else
59 void* expectedVTablePointer = &_ZTVN7WebCore13TestExceptionE[2];
60 #endif
61 if (actualVTablePointer != expectedVTablePointer)
62 CRASH();
63 }
64 #endif // ENABLE(BINDING_INTEGRITY)
65
66 WrapperTypeInfo V8TestException::info = { V8TestException::GetTemplate, V8TestEx ception::derefObject, 0, 0, 0, V8TestException::installPerContextPrototypeProper ties, 0, WrapperTypeErrorPrototype };
67
68 namespace TestExceptionV8Internal {
69
70 template <typename T> void V8_USE(T) { }
71
72 static v8::Handle<v8::Value> nameAttrGetter(v8::Local<v8::String> name, const v8 ::AccessorInfo& info)
73 {
74 TestException* imp = V8TestException::toNative(info.Holder());
75 return v8String(imp->name(), info.GetIsolate(), ReturnUnsafeHandle);
76 }
77
78 static v8::Handle<v8::Value> nameAttrGetterCallback(v8::Local<v8::String> name, const v8::AccessorInfo& info)
79 {
80 return TestExceptionV8Internal::nameAttrGetter(name, info);
81 }
82
83 } // namespace TestExceptionV8Internal
84
85 static const V8DOMConfiguration::BatchedAttribute V8TestExceptionAttrs[] = {
86 // Attribute 'name' (Type: 'readonly attribute' ExtAttr: '')
87 {"name", TestExceptionV8Internal::nameAttrGetterCallback, 0, 0, 0, 0 /* no d ata */, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAtt ribute>(v8::None), 0 /* on instance */},
88 };
89
90 static v8::Persistent<v8::FunctionTemplate> ConfigureV8TestExceptionTemplate(v8: :Persistent<v8::FunctionTemplate> desc, v8::Isolate* isolate, WrapperWorldType c urrentWorldType)
91 {
92 desc->ReadOnlyPrototype();
93
94 v8::Local<v8::Signature> defaultSignature;
95 defaultSignature = V8DOMConfiguration::configureTemplate(desc, "TestExceptio n", v8::Persistent<v8::FunctionTemplate>(), V8TestException::internalFieldCount,
96 V8TestExceptionAttrs, WTF_ARRAY_LENGTH(V8TestExceptionAttrs),
97 0, 0, isolate, currentWorldType);
98 UNUSED_PARAM(defaultSignature); // In some cases, it will not be used.
99
100
101 // Custom toString template
102 desc->Set(v8::String::NewSymbol("toString"), V8PerIsolateData::current()->to StringTemplate());
103 return desc;
104 }
105
106 v8::Persistent<v8::FunctionTemplate> V8TestException::GetTemplate(v8::Isolate* i solate, WrapperWorldType currentWorldType)
107 {
108 V8PerIsolateData* data = V8PerIsolateData::from(isolate);
109 V8PerIsolateData::TemplateMap::iterator result = data->templateMap(currentWo rldType).find(&info);
110 if (result != data->templateMap(currentWorldType).end())
111 return result->value;
112
113 v8::HandleScope handleScope;
114 v8::Persistent<v8::FunctionTemplate> templ =
115 ConfigureV8TestExceptionTemplate(data->rawTemplate(&info, currentWorldTy pe), isolate, currentWorldType);
116 data->templateMap(currentWorldType).add(&info, templ);
117 return templ;
118 }
119
120 bool V8TestException::HasInstance(v8::Handle<v8::Value> value, v8::Isolate* isol ate, WrapperWorldType currentWorldType)
121 {
122 return V8PerIsolateData::from(isolate)->hasInstance(&info, value, currentWor ldType);
123 }
124
125 bool V8TestException::HasInstanceInAnyWorld(v8::Handle<v8::Value> value, v8::Iso late* isolate)
126 {
127 return V8PerIsolateData::from(isolate)->hasInstance(&info, value, MainWorld)
128 || V8PerIsolateData::from(isolate)->hasInstance(&info, value, IsolatedWo rld)
129 || V8PerIsolateData::from(isolate)->hasInstance(&info, value, WorkerWorl d);
130 }
131
132
133 v8::Handle<v8::Object> V8TestException::createWrapper(PassRefPtr<TestException> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
134 {
135 ASSERT(impl.get());
136 ASSERT(DOMDataStore::getWrapper(impl.get(), isolate).IsEmpty());
137
138 #if ENABLE(BINDING_INTEGRITY)
139 checkTypeOrDieTrying(impl.get());
140 #endif
141
142 v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(creationContext , &info, impl.get(), isolate);
143 if (UNLIKELY(wrapper.IsEmpty()))
144 return wrapper;
145
146 installPerContextProperties(wrapper, impl.get(), isolate);
147 V8DOMWrapper::associateObjectWithWrapper(impl, &info, wrapper, isolate, hasD ependentLifetime ? WrapperConfiguration::Dependent : WrapperConfiguration::Indep endent);
148 return wrapper;
149 }
150 void V8TestException::derefObject(void* object)
151 {
152 static_cast<TestException*>(object)->deref();
153 }
154
155 } // namespace WebCore
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