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

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestObject.h"
 
 #include "bindings/core/v8/BindingSecurity.h"
@@ skipping 9642 matching lines @@
         V8ThrowException::throwException(createMinimumArityTypeErrorForMethod("typeCheckingInterfaceVoidMethodTestInterfaceEmptyArg", "TestObject", 1, info.Length(), info.GetIsolate()), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     TestInterfaceEmpty* testInterfaceEmptyArg;
     {
         if (info.Length() > 0 && !V8TestInterfaceEmpty::hasInstance(info[0], info.GetIsolate())) {
             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);
 }
 
 static void typeCheckingInterfaceVoidMethodTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestObjectV8Internal::typeCheckingInterfaceVoidMethodTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
@@ skipping 318 matching lines @@
     v8SetReturnValueInt(info, impl->methodImplementedInCPPForPrivateScriptOnly(value1, value2));
 }
 
 static void methodImplementedInCPPForPrivateScriptOnlyMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestObjectV8Internal::methodImplementedInCPPForPrivateScriptOnlyMethod(info);
     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 toStringMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     v8SetReturnValueString(info, impl->stringifierAttribute(), info.GetIsolate());
 }
 
 static void toStringMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestObjectV8Internal::toStringMethod(info);
@@ skipping 365 matching lines @@
     {"voidMethodTestInterfaceGarbageCollectedArrayArg", TestObjectV8Internal::voidMethodTestInterfaceGarbageCollectedArrayArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"voidMethodTestInterfaceWillBeGarbageCollectedSequenceArg", TestObjectV8Internal::voidMethodTestInterfaceWillBeGarbageCollectedSequenceArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"voidMethodTestInterfaceWillBeGarbageCollectedArrayArg", TestObjectV8Internal::voidMethodTestInterfaceWillBeGarbageCollectedArrayArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"voidMethodImplementedInPrivateScript", TestObjectV8Internal::voidMethodImplementedInPrivateScriptMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},
     {"shortMethodImplementedInPrivateScript", TestObjectV8Internal::shortMethodImplementedInPrivateScriptMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},
     {"shortMethodWithShortArgumentImplementedInPrivateScript", TestObjectV8Internal::shortMethodWithShortArgumentImplementedInPrivateScriptMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"stringMethodWithStringArgumentImplementedInPrivateScript", TestObjectV8Internal::stringMethodWithStringArgumentImplementedInPrivateScriptMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"nodeMethodWithNodeArgumentImplementedInPrivateScript", TestObjectV8Internal::nodeMethodWithNodeArgumentImplementedInPrivateScriptMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"nodeMethodWithVariousArgumentsImplementedInPrivateScript", TestObjectV8Internal::nodeMethodWithVariousArgumentsImplementedInPrivateScriptMethodCallback, 0, 5, V8DOMConfiguration::ExposedToAllScripts},
     {"methodImplementedInCPPForPrivateScriptOnly", TestObjectV8Internal::methodImplementedInCPPForPrivateScriptOnlyMethodCallback, 0, 2, V8DOMConfiguration::OnlyExposedToPrivateScript},
+    {"useToImpl4ArgumentsCheckingIfPossibleWithOptionalArg", TestObjectV8Internal::useToImpl4ArgumentsCheckingIfPossibleWithOptionalArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
+    {"useToImpl4ArgumentsCheckingIfPossibleWithNullableArg", TestObjectV8Internal::useToImpl4ArgumentsCheckingIfPossibleWithNullableArgMethodCallback, 0, 2, V8DOMConfiguration::ExposedToAllScripts},
+    {"useToImpl4ArgumentsCheckingIfPossibleWithUndefinedArg", TestObjectV8Internal::useToImpl4ArgumentsCheckingIfPossibleWithUndefinedArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"toString", TestObjectV8Internal::toStringMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},
 };
 
 static void installV8TestObjectTemplate(v8::Handle<v8::FunctionTemplate> functionTemplate, v8::Isolate* isolate)
 {
     functionTemplate->ReadOnlyPrototype();
 
     v8::Local<v8::Signature> defaultSignature;
     defaultSignature = V8DOMConfiguration::installDOMClassTemplate(functionTemplate, "TestObject", v8::Local<v8::FunctionTemplate>(), V8TestObject::internalFieldCount,
         V8TestObjectAttributes, WTF_ARRAY_LENGTH(V8TestObjectAttributes),
@@ skipping 654 matching lines @@
         return false;
 
     ScriptState::Scope scope(scriptState);
     v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::SetterContext, "enumForPrivateScript", "TestObject", scriptState->context()->Global(), scriptState->isolate());
     return PrivateScriptRunner::runDOMAttributeSetter(scriptState, scriptStateInUserScript, "TestObject", "enumForPrivateScript", holder, v8String(scriptState->isolate(), cppValue));
 }
 
 } // namespace blink