Canvas2D Performance: fix the bottleneck of hasInstance in JS binding -- TypeChecking Interface

Source/bindings/tests/results/core/V8TestObject.cpp

Index: Source/bindings/tests/results/core/V8TestObject.cpp
diff --git a/Source/bindings/tests/results/core/V8TestObject.cpp b/Source/bindings/tests/results/core/V8TestObject.cpp
index 1dc608d512367616408aee0d7039fcf7e5617acf..c2ce1858fd9fd1968886a20136d6174ab85de177 100644
--- a/Source/bindings/tests/results/core/V8TestObject.cpp
+++ b/Source/bindings/tests/results/core/V8TestObject.cpp
@@ -9660,7 +9660,7 @@ static void typeCheckingInterfaceVoidMethodTestInterfaceEmptyArgMethod(const v8:
             V8ThrowException::throwTypeError(ExceptionMessages::failedToExecute("typeCheckingInterfaceVoidMethodTestInterfaceEmptyArg", "TestObject", "parameter 1 is not of type 'TestInterfaceEmpty'."), info.GetIsolate());
             return;
         }
-        testInterfaceEmptyArg = V8TestInterfaceEmpty::toImplWithTypeCheck(info.GetIsolate(), info[0]);
+        testInterfaceEmptyArg = V8TestInterfaceEmpty::toImpl(v8::Handle<v8::Object>::Cast(info[0]));
     }
     impl->typeCheckingInterfaceVoidMethodTestInterfaceEmptyArg(testInterfaceEmptyArg);
 }
@@ -9697,6 +9697,103 @@ static void typeCheckingInterfaceVoidMethodTestInterfaceEmptyVariadicArgMethodCa
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
+static void useToImpl4ArgumentsCheckingIfPossibleWithOptionalArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    if (UNLIKELY(info.Length() < 1)) {
+        V8ThrowException::throwException(createMinimumArityTypeErrorForMethod("useToImpl4ArgumentsCheckingIfPossibleWithOptionalArg", "TestObject", 1, info.Length(), info.GetIsolate()), info.GetIsolate());
+        return;
+    }
+    TestObject* impl = V8TestObject::toImpl(info.Holder());
+    Node* node1;
+    Node* node2;
+    {
+        if (info.Length() > 0 && !V8Node::hasInstance(info[0], info.GetIsolate())) {
+            V8ThrowException::throwTypeError(ExceptionMessages::failedToExecute("useToImpl4ArgumentsCheckingIfPossibleWithOptionalArg", "TestObject", "parameter 1 is not of type 'Node'."), info.GetIsolate());
+            return;
+        }
+        node1 = V8Node::toImpl(v8::Handle<v8::Object>::Cast(info[0]));
+        if (UNLIKELY(info.Length() <= 1)) {
+            impl->useToImpl4ArgumentsCheckingIfPossibleWithOptionalArg(node1);
+            return;
+        }
+        if (info.Length() > 1 && !V8Node::hasInstance(info[1], info.GetIsolate())) {
+            V8ThrowException::throwTypeError(ExceptionMessages::failedToExecute("useToImpl4ArgumentsCheckingIfPossibleWithOptionalArg", "TestObject", "parameter 2 is not of type 'Node'."), info.GetIsolate());
+            return;
+        }
+        node2 = V8Node::toImpl(v8::Handle<v8::Object>::Cast(info[1]));
+    }
+    impl->useToImpl4ArgumentsCheckingIfPossibleWithOptionalArg(node1, node2);
+}
+
+static void useToImpl4ArgumentsCheckingIfPossibleWithOptionalArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
+    TestObjectV8Internal::useToImpl4ArgumentsCheckingIfPossibleWithOptionalArgMethod(info);
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
+static void useToImpl4ArgumentsCheckingIfPossibleWithNullableArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    if (UNLIKELY(info.Length() < 2)) {
+        V8ThrowException::throwException(createMinimumArityTypeErrorForMethod("useToImpl4ArgumentsCheckingIfPossibleWithNullableArg", "TestObject", 2, info.Length(), info.GetIsolate()), info.GetIsolate());
+        return;
+    }
+    TestObject* impl = V8TestObject::toImpl(info.Holder());
+    Node* node1;
+    Node* node2;
+    {
+        if (info.Length() > 0 && !V8Node::hasInstance(info[0], info.GetIsolate())) {
+            V8ThrowException::throwTypeError(ExceptionMessages::failedToExecute("useToImpl4ArgumentsCheckingIfPossibleWithNullableArg", "TestObject", "parameter 1 is not of type 'Node'."), info.GetIsolate());
+            return;
+        }
+        node1 = V8Node::toImpl(v8::Handle<v8::Object>::Cast(info[0]));
+        if (info.Length() > 1 && !isUndefinedOrNull(info[1]) && !V8Node::hasInstance(info[1], info.GetIsolate())) {
+            V8ThrowException::throwTypeError(ExceptionMessages::failedToExecute("useToImpl4ArgumentsCheckingIfPossibleWithNullableArg", "TestObject", "parameter 2 is not of type 'Node'."), info.GetIsolate());
+            return;
+        }
+        node2 = V8Node::toImplWithTypeCheck(info.GetIsolate(), info[1]);
+    }
+    impl->useToImpl4ArgumentsCheckingIfPossibleWithNullableArg(node1, node2);
+}
+
+static void useToImpl4ArgumentsCheckingIfPossibleWithNullableArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
+    TestObjectV8Internal::useToImpl4ArgumentsCheckingIfPossibleWithNullableArgMethod(info);
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
+static void useToImpl4ArgumentsCheckingIfPossibleWithUndefinedArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    if (UNLIKELY(info.Length() < 1)) {
+        V8ThrowException::throwException(createMinimumArityTypeErrorForMethod("useToImpl4ArgumentsCheckingIfPossibleWithUndefinedArg", "TestObject", 1, info.Length(), info.GetIsolate()), info.GetIsolate());
+        return;
+    }
+    TestObject* impl = V8TestObject::toImpl(info.Holder());
+    Node* node1;
+    Node* node2;
+    {
+        if (info.Length() > 0 && !V8Node::hasInstance(info[0], info.GetIsolate())) {
+            V8ThrowException::throwTypeError(ExceptionMessages::failedToExecute("useToImpl4ArgumentsCheckingIfPossibleWithUndefinedArg", "TestObject", "parameter 1 is not of type 'Node'."), info.GetIsolate());
+            return;
+        }
+        node1 = V8Node::toImpl(v8::Handle<v8::Object>::Cast(info[0]));
+        if (info.Length() > 1 && !V8Node::hasInstance(info[1], info.GetIsolate())) {
+            V8ThrowException::throwTypeError(ExceptionMessages::failedToExecute("useToImpl4ArgumentsCheckingIfPossibleWithUndefinedArg", "TestObject", "parameter 2 is not of type 'Node'."), info.GetIsolate());
+            return;
+        }
+        node2 = V8Node::toImplWithTypeCheck(info.GetIsolate(), info[1]);
+    }
+    impl->useToImpl4ArgumentsCheckingIfPossibleWithUndefinedArg(node1, node2);
+}
+
+static void useToImpl4ArgumentsCheckingIfPossibleWithUndefinedArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
+    TestObjectV8Internal::useToImpl4ArgumentsCheckingIfPossibleWithUndefinedArgMethod(info);
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
 static void typeCheckingUnrestrictedVoidMethodFloatArgDoubleArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "typeCheckingUnrestrictedVoidMethodFloatArgDoubleArg", "TestObject", info.Holder(), info.GetIsolate());
@@ -10372,6 +10469,9 @@ static const V8DOMConfiguration::MethodConfiguration V8TestObjectMethods[] = {
     {"treatReturnedNullStringAsUndefinedScalarValueStringMethod", TestObjectV8Internal::treatReturnedNullStringAsUndefinedScalarValueStringMethodMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},
     {"typeCheckingInterfaceVoidMethodTestInterfaceEmptyArg", TestObjectV8Internal::typeCheckingInterfaceVoidMethodTestInterfaceEmptyArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"typeCheckingInterfaceVoidMethodTestInterfaceEmptyVariadicArg", TestObjectV8Internal::typeCheckingInterfaceVoidMethodTestInterfaceEmptyVariadicArgMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},
+    {"useToImpl4ArgumentsCheckingIfPossibleWithOptionalArg", TestObjectV8Internal::useToImpl4ArgumentsCheckingIfPossibleWithOptionalArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
+    {"useToImpl4ArgumentsCheckingIfPossibleWithNullableArg", TestObjectV8Internal::useToImpl4ArgumentsCheckingIfPossibleWithNullableArgMethodCallback, 0, 2, V8DOMConfiguration::ExposedToAllScripts},
+    {"useToImpl4ArgumentsCheckingIfPossibleWithUndefinedArg", TestObjectV8Internal::useToImpl4ArgumentsCheckingIfPossibleWithUndefinedArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"typeCheckingUnrestrictedVoidMethodFloatArgDoubleArg", TestObjectV8Internal::typeCheckingUnrestrictedVoidMethodFloatArgDoubleArgMethodCallback, 0, 2, V8DOMConfiguration::ExposedToAllScripts},
     {"voidMethodTestInterfaceGarbageCollectedSequenceArg", TestObjectV8Internal::voidMethodTestInterfaceGarbageCollectedSequenceArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"voidMethodTestInterfaceGarbageCollectedArrayArg", TestObjectV8Internal::voidMethodTestInterfaceGarbageCollectedArrayArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},