binding: Retires ExceptionState::throwIfNeeded().

third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface.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 "V8TestInterface.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/PrivateScriptRunner.h"
@@ skipping 78 matching lines @@
 }
 
 static void testInterfaceAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "testInterfaceAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     TestInterfaceImplementation* cppValue = V8TestInterface::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'TestInterface'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     impl->setTestInterfaceAttribute(cppValue);
 }
 
 static void testInterfaceAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     UseCounter::countIfNotPrivateScript(info.GetIsolate(), currentExecutionContext(info.GetIsolate()), UseCounter::V8TestInterface_TestInterfaceAttribute_AttributeSetter);
     TestInterfaceImplementationV8Internal::testInterfaceAttributeAttributeSetter(v8Value, info);
@@ skipping 10 matching lines @@
 {
     TestInterfaceImplementationV8Internal::doubleAttributeAttributeGetter(info);
 }
 
 static void doubleAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "doubleAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     double cppValue = toRestrictedDouble(info.GetIsolate(), v8Value, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     impl->setDoubleAttribute(cppValue);
 }
 
 static void doubleAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::doubleAttributeAttributeSetter(v8Value, info);
 }
 
 static void floatAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     v8SetReturnValue(info, impl->floatAttribute());
 }
 
 static void floatAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::floatAttributeAttributeGetter(info);
 }
 
 static void floatAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "floatAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     float cppValue = toRestrictedFloat(info.GetIsolate(), v8Value, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     impl->setFloatAttribute(cppValue);
 }
 
 static void floatAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::floatAttributeAttributeSetter(v8Value, info);
 }
 
 static void unrestrictedDoubleAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     v8SetReturnValue(info, impl->unrestrictedDoubleAttribute());
 }
 
 static void unrestrictedDoubleAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::unrestrictedDoubleAttributeAttributeGetter(info);
 }
 
 static void unrestrictedDoubleAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "unrestrictedDoubleAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     double cppValue = toDouble(info.GetIsolate(), v8Value, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     impl->setUnrestrictedDoubleAttribute(cppValue);
 }
 
 static void unrestrictedDoubleAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::unrestrictedDoubleAttributeAttributeSetter(v8Value, info);
 }
 
 static void unrestrictedFloatAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     v8SetReturnValue(info, impl->unrestrictedFloatAttribute());
 }
 
 static void unrestrictedFloatAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::unrestrictedFloatAttributeAttributeGetter(info);
 }
 
 static void unrestrictedFloatAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "unrestrictedFloatAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     float cppValue = toFloat(info.GetIsolate(), v8Value, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     impl->setUnrestrictedFloatAttribute(cppValue);
 }
 
 static void unrestrictedFloatAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::unrestrictedFloatAttributeAttributeSetter(v8Value, info);
 }
 
@@ skipping 18 matching lines @@
     if (!cppValue.prepare())
         return;
     const char* validValues[] = {
         "",
         "EnumValue1",
         "EnumValue2",
         "EnumValue3",
     };
     if (!isValidEnum(cppValue, validValues, WTF_ARRAY_LENGTH(validValues), "TestEnum", exceptionState)) {
         currentExecutionContext(info.GetIsolate())->addConsoleMessage(ConsoleMessage::create(JSMessageSource, WarningMessageLevel, exceptionState.message()));
+        // http://heycam.github.io/webidl/#idl-enums
+        // Assignment of an invalid string value to an attribute is ignored,
+        // while passing such a value as an operation argument results in
+        // an exception being thrown.
+        exceptionState.clearException();
         return;
     }
     impl->setTestEnumAttribute(cppValue);
 }
 
 static void testEnumAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::testEnumAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 12 matching lines @@
     TestInterfaceImplementationV8Internal::stringOrDoubleAttributeAttributeGetter(info);
 }
 
 static void stringOrDoubleAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "stringOrDoubleAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     StringOrDouble cppValue;
     V8StringOrDouble::toImpl(info.GetIsolate(), v8Value, cppValue, UnionTypeConversionMode::NotNullable, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     impl->setStringOrDoubleAttribute(cppValue);
 }
 
 static void stringOrDoubleAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::stringOrDoubleAttributeAttributeSetter(v8Value, info);
 }
 
 static void conditionalLongAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     v8SetReturnValueInt(info, impl->conditionalLongAttribute());
 }
 
 static void conditionalLongAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::conditionalLongAttributeAttributeGetter(info);
 }
 
 static void conditionalLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "conditionalLongAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     int cppValue = toInt32(info.GetIsolate(), v8Value, NormalConversion, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     impl->setConditionalLongAttribute(cppValue);
 }
 
 static void conditionalLongAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::conditionalLongAttributeAttributeSetter(v8Value, info);
 }
 
@@ skipping 43 matching lines @@
     TestInterfaceImplementationV8Internal::staticReturnDOMWrapperAttributeAttributeGetter(info);
 }
 
 static void staticReturnDOMWrapperAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "staticReturnDOMWrapperAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* cppValue = V8TestInterface::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'TestInterface'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfaceImplementation::setStaticReturnDOMWrapperAttribute(cppValue);
 }
 
 static void staticReturnDOMWrapperAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::staticReturnDOMWrapperAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 70 matching lines @@
 {
     TestInterfaceImplementationV8Internal::alwaysExposedAttributeAttributeGetter(info);
 }
 
 static void alwaysExposedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "alwaysExposedAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     int cppValue = toInt32(info.GetIsolate(), v8Value, NormalConversion, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     impl->setAlwaysExposedAttribute(cppValue);
 }
 
 static void alwaysExposedAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::alwaysExposedAttributeAttributeSetter(v8Value, info);
 }
 
 static void workerExposedAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     v8SetReturnValueInt(info, impl->workerExposedAttribute());
 }
 
 static void workerExposedAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::workerExposedAttributeAttributeGetter(info);
 }
 
 static void workerExposedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "workerExposedAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     int cppValue = toInt32(info.GetIsolate(), v8Value, NormalConversion, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     impl->setWorkerExposedAttribute(cppValue);
 }
 
 static void workerExposedAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::workerExposedAttributeAttributeSetter(v8Value, info);
 }
 
 static void windowExposedAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     v8SetReturnValueInt(info, impl->windowExposedAttribute());
 }
 
 static void windowExposedAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::windowExposedAttributeAttributeGetter(info);
 }
 
 static void windowExposedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "windowExposedAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     int cppValue = toInt32(info.GetIsolate(), v8Value, NormalConversion, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     impl->setWindowExposedAttribute(cppValue);
 }
 
 static void windowExposedAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::windowExposedAttributeAttributeSetter(v8Value, info);
 }
 
@@ skipping 40 matching lines @@
 }
 
 static void secureContextAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "secureContextAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     impl->setSecureContextAttribute(cppValue);
 }
 
 static void secureContextAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::secureContextAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 11 matching lines @@
 }
 
 static void secureContextRuntimeEnabledAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "secureContextRuntimeEnabledAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     impl->setSecureContextRuntimeEnabledAttribute(cppValue);
 }
 
 static void secureContextRuntimeEnabledAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::secureContextRuntimeEnabledAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 11 matching lines @@
 }
 
 static void secureContextWindowExposedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "secureContextWindowExposedAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     impl->setSecureContextWindowExposedAttribute(cppValue);
 }
 
 static void secureContextWindowExposedAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::secureContextWindowExposedAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 11 matching lines @@
 }
 
 static void secureContextWorkerExposedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "secureContextWorkerExposedAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     impl->setSecureContextWorkerExposedAttribute(cppValue);
 }
 
 static void secureContextWorkerExposedAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::secureContextWorkerExposedAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 11 matching lines @@
 }
 
 static void secureContextWindowExposedRuntimeEnabledAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "secureContextWindowExposedRuntimeEnabledAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     impl->setSecureContextWindowExposedRuntimeEnabledAttribute(cppValue);
 }
 
 static void secureContextWindowExposedRuntimeEnabledAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::secureContextWindowExposedRuntimeEnabledAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 11 matching lines @@
 }
 
 static void secureContextWorkerExposedRuntimeEnabledAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "secureContextWorkerExposedRuntimeEnabledAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     impl->setSecureContextWorkerExposedRuntimeEnabledAttribute(cppValue);
 }
 
 static void secureContextWorkerExposedRuntimeEnabledAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::secureContextWorkerExposedRuntimeEnabledAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 85 matching lines @@
 }
 
 static void implementsNodeAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "implementsNodeAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     Node* cppValue = V8Node::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'Node'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     impl->setImplementsNodeAttribute(cppValue);
 }
 
 static void implementsNodeAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::implementsNodeAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 38 matching lines @@
 }
 
 static void implementsRuntimeEnabledNodeAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "implementsRuntimeEnabledNodeAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     Node* cppValue = V8Node::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'Node'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     impl->setImplementsRuntimeEnabledNodeAttribute(cppValue);
 }
 
 static void implementsRuntimeEnabledNodeAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::implementsRuntimeEnabledNodeAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 113 matching lines @@
 {
     TestInterfaceImplementationV8Internal::partialLongAttributeAttributeGetter(info);
 }
 
 static void partialLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partialLongAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     int cppValue = toInt32(info.GetIsolate(), v8Value, NormalConversion, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     TestInterfacePartial::setPartialLongAttribute(*impl, cppValue);
 }
 
 static void partialLongAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partialLongAttributeAttributeSetter(v8Value, info);
 }
 
 static void partialStaticLongAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8SetReturnValueInt(info, TestInterfacePartial::partialStaticLongAttribute());
 }
 
 static void partialStaticLongAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::partialStaticLongAttributeAttributeGetter(info);
 }
 
 static void partialStaticLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partialStaticLongAttribute", "TestInterface", holder, info.GetIsolate());
     int cppValue = toInt32(info.GetIsolate(), v8Value, NormalConversion, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     TestInterfacePartial::setPartialStaticLongAttribute(cppValue);
 }
 
 static void partialStaticLongAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partialStaticLongAttributeAttributeSetter(v8Value, info);
 }
 
 static void partialCallWithExecutionContextLongAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     v8SetReturnValueInt(info, TestInterfacePartial::partialCallWithExecutionContextLongAttribute(executionContext, *impl));
 }
 
 static void partialCallWithExecutionContextLongAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::partialCallWithExecutionContextLongAttributeAttributeGetter(info);
 }
 
 static void partialCallWithExecutionContextLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partialCallWithExecutionContextLongAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     int cppValue = toInt32(info.GetIsolate(), v8Value, NormalConversion, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     TestInterfacePartial::setPartialCallWithExecutionContextLongAttribute(executionContext, *impl, cppValue);
 }
 
 static void partialCallWithExecutionContextLongAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partialCallWithExecutionContextLongAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 17 matching lines @@
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     V8StringResource<> cppValue = v8Value;
     if (!cppValue.prepare())
         return;
     const char* validValues[] = {
         "foo",
         "bar",
     };
     if (!isValidEnum(cppValue, validValues, WTF_ARRAY_LENGTH(validValues), "PartialEnumType", exceptionState)) {
         currentExecutionContext(info.GetIsolate())->addConsoleMessage(ConsoleMessage::create(JSMessageSource, WarningMessageLevel, exceptionState.message()));
+        // http://heycam.github.io/webidl/#idl-enums
+        // Assignment of an invalid string value to an attribute is ignored,
+        // while passing such a value as an operation argument results in
+        // an exception being thrown.
+        exceptionState.clearException();
         return;
     }
     TestInterfacePartial::setPartialPartialEnumTypeAttribute(*impl, cppValue);
 }
 
 static void partialPartialEnumTypeAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partialPartialEnumTypeAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 40 matching lines @@
 {
     TestInterfaceImplementationV8Internal::partial2LongAttributeAttributeGetter(info);
 }
 
 static void partial2LongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partial2LongAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     int cppValue = toInt32(info.GetIsolate(), v8Value, NormalConversion, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     TestInterfacePartial2Implementation::setPartial2LongAttribute(*impl, cppValue);
 }
 
 static void partial2LongAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partial2LongAttributeAttributeSetter(v8Value, info);
 }
 
 static void partial2StaticLongAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8SetReturnValueInt(info, TestInterfacePartial2Implementation::partial2StaticLongAttribute());
 }
 
 static void partial2StaticLongAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::partial2StaticLongAttributeAttributeGetter(info);
 }
 
 static void partial2StaticLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partial2StaticLongAttribute", "TestInterface", holder, info.GetIsolate());
     int cppValue = toInt32(info.GetIsolate(), v8Value, NormalConversion, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     TestInterfacePartial2Implementation::setPartial2StaticLongAttribute(cppValue);
 }
 
 static void partial2StaticLongAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partial2StaticLongAttributeAttributeSetter(v8Value, info);
 }
 
@@ skipping 10 matching lines @@
 }
 
 static void partial2SecureContextAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partial2SecureContextAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfacePartial2Implementation::setPartial2SecureContextAttribute(*impl, cppValue);
 }
 
 static void partial2SecureContextAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partial2SecureContextAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 11 matching lines @@
 }
 
 static void partialSecureContextAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partialSecureContextAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfacePartialSecureContext::setPartialSecureContextAttribute(*impl, cppValue);
 }
 
 static void partialSecureContextAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partialSecureContextAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 11 matching lines @@
 }
 
 static void partialSecureContextRuntimeEnabledAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partialSecureContextRuntimeEnabledAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfacePartialSecureContext::setPartialSecureContextRuntimeEnabledAttribute(*impl, cppValue);
 }
 
 static void partialSecureContextRuntimeEnabledAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partialSecureContextRuntimeEnabledAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 11 matching lines @@
 }
 
 static void partialSecureContextWindowExposedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partialSecureContextWindowExposedAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfacePartialSecureContext::setPartialSecureContextWindowExposedAttribute(*impl, cppValue);
 }
 
 static void partialSecureContextWindowExposedAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partialSecureContextWindowExposedAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 11 matching lines @@
 }
 
 static void partialSecureContextWorkerExposedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partialSecureContextWorkerExposedAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfacePartialSecureContext::setPartialSecureContextWorkerExposedAttribute(*impl, cppValue);
 }
 
 static void partialSecureContextWorkerExposedAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partialSecureContextWorkerExposedAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 11 matching lines @@
 }
 
 static void partialSecureContextWindowExposedRuntimeEnabledAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partialSecureContextWindowExposedRuntimeEnabledAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfacePartialSecureContext::setPartialSecureContextWindowExposedRuntimeEnabledAttribute(*impl, cppValue);
 }
 
 static void partialSecureContextWindowExposedRuntimeEnabledAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partialSecureContextWindowExposedRuntimeEnabledAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 11 matching lines @@
 }
 
 static void partialSecureContextWorkerExposedRuntimeEnabledAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "partialSecureContextWorkerExposedRuntimeEnabledAttribute", "TestInterface", holder, info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
     bool* cppValue = V8bool::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'bool'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfacePartialSecureContext::setPartialSecureContextWorkerExposedRuntimeEnabledAttribute(*impl, cppValue);
 }
 
 static void partialSecureContextWorkerExposedRuntimeEnabledAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TestInterfaceImplementationV8Internal::partialSecureContextWorkerExposedRuntimeEnabledAttributeAttributeSetter(v8Value, info);
 }
@@ skipping 19 matching lines @@
 static void voidMethodTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::voidMethodTestInterfaceEmptyArgMethod(info);
 }
 
 static void voidMethodDoubleArgFloatArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodDoubleArgFloatArg", "TestInterface", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
         setMinimumArityTypeError(exceptionState, 2, info.Length());
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     double doubleArg;
     float floatArg;
     {
         doubleArg = toRestrictedDouble(info.GetIsolate(), info[0], exceptionState);
-        if (exceptionState.throwIfNeeded())
+        if (exceptionState.hadException())
             return;
         floatArg = toRestrictedFloat(info.GetIsolate(), info[1], exceptionState);
-        if (exceptionState.throwIfNeeded())
+        if (exceptionState.hadException())
             return;
     }
     impl->voidMethodDoubleArgFloatArg(doubleArg, floatArg);
 }
 
 static void voidMethodDoubleArgFloatArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::voidMethodDoubleArgFloatArgMethod(info);
 }
 
 static void voidMethodUnrestrictedDoubleArgUnrestrictedFloatArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodUnrestrictedDoubleArgUnrestrictedFloatArg", "TestInterface", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
         setMinimumArityTypeError(exceptionState, 2, info.Length());
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     double unrestrictedDoubleArg;
     float unrestrictedFloatArg;
     {
         unrestrictedDoubleArg = toDouble(info.GetIsolate(), info[0], exceptionState);
-        if (exceptionState.throwIfNeeded())
+        if (exceptionState.hadException())
             return;
         unrestrictedFloatArg = toFloat(info.GetIsolate(), info[1], exceptionState);
-        if (exceptionState.throwIfNeeded())
+        if (exceptionState.hadException())
             return;
     }
     impl->voidMethodUnrestrictedDoubleArgUnrestrictedFloatArg(unrestrictedDoubleArg, unrestrictedFloatArg);
 }
 
 static void voidMethodUnrestrictedDoubleArgUnrestrictedFloatArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::voidMethodUnrestrictedDoubleArgUnrestrictedFloatArgMethod(info);
 }
 
 static void voidMethodTestEnumArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodTestEnumArg", "TestInterface", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         setMinimumArityTypeError(exceptionState, 1, info.Length());
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     V8StringResource<> testEnumArg;
     {
         testEnumArg = info[0];
         if (!testEnumArg.prepare())
             return;
         const char* validValues[] = {
             "",
             "EnumValue1",
             "EnumValue2",
             "EnumValue3",
         };
         if (!isValidEnum(testEnumArg, validValues, WTF_ARRAY_LENGTH(validValues), "TestEnum", exceptionState)) {
-            exceptionState.throwIfNeeded();
             return;
         }
     }
     impl->voidMethodTestEnumArg(testEnumArg);
 }
 
 static void voidMethodTestEnumArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::voidMethodTestEnumArgMethod(info);
 }
@@ skipping 104 matching lines @@
     TestInterfaceImplementationV8Internal::methodWithExposedAndRuntimeEnabledFlagMethod(info);
 }
 
 static void overloadMethodWithExposedAndRuntimeEnabledFlag1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadMethodWithExposedAndRuntimeEnabledFlag", "TestInterface", info.Holder(), info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     int longArg;
     {
         longArg = toInt32(info.GetIsolate(), info[0], NormalConversion, exceptionState);
-        if (exceptionState.throwIfNeeded())
+        if (exceptionState.hadException())
             return;
     }
     impl->overloadMethodWithExposedAndRuntimeEnabledFlag(longArg);
 }
 
 static void overloadMethodWithExposedAndRuntimeEnabledFlag2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     V8StringResource<> string;
     {
@@ skipping 42 matching lines @@
         if (true) {
             overloadMethodWithExposedAndRuntimeEnabledFlag1Method(info);
             return;
         }
         break;
     default:
         break;
     }
     if (info.Length() < 1) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
-    exceptionState.throwIfNeeded();
     return;
 }
 
 static void overloadMethodWithExposedAndRuntimeEnabledFlagMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::overloadMethodWithExposedAndRuntimeEnabledFlagMethod(info);
 }
 
 static void methodWithExposedHavingRuntimeEnabldFlagMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
@@ skipping 23 matching lines @@
     impl->voidMethodPartialOverload();
 }
 
 static void voidMethodPartialOverload2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodPartialOverload", "TestInterface", info.Holder(), info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     double doubleArg;
     {
         doubleArg = toRestrictedDouble(info.GetIsolate(), info[0], exceptionState);
-        if (exceptionState.throwIfNeeded())
+        if (exceptionState.hadException())
             return;
     }
     impl->voidMethodPartialOverload(doubleArg);
 }
 
 static void staticVoidMethodPartialOverload1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementation::staticVoidMethodPartialOverload();
 }
 
@@ skipping 116 matching lines @@
 static void implementsVoidMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::implementsVoidMethodMethod(info);
 }
 
 static void implementsComplexMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "implementsComplexMethod", "TestInterface", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
         setMinimumArityTypeError(exceptionState, 2, info.Length());
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     V8StringResource<> strArg;
     TestInterfaceEmpty* testInterfaceEmptyArg;
     {
         strArg = info[0];
         if (!strArg.prepare())
             return;
         testInterfaceEmptyArg = V8TestInterfaceEmpty::toImplWithTypeCheck(info.GetIsolate(), info[1]);
         if (!testInterfaceEmptyArg) {
             exceptionState.throwTypeError("parameter 2 is not of type 'TestInterfaceEmpty'.");
-            exceptionState.throwIfNeeded();
             return;
         }
     }
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     TestInterfaceEmpty* result = impl->implementsComplexMethod(executionContext, strArg, testInterfaceEmptyArg, exceptionState);
     if (exceptionState.hadException()) {
-        exceptionState.throwIfNeeded();
         return;
     }
     v8SetReturnValue(info, result);
 }
 
 static void implementsComplexMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::implementsComplexMethodMethod(info);
 }
 
@@ skipping 63 matching lines @@
 static void partialStaticVoidMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::partialStaticVoidMethodMethod(info);
 }
 
 static void partialVoidMethodLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "partialVoidMethodLongArg", "TestInterface", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         setMinimumArityTypeError(exceptionState, 1, info.Length());
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     int longArg;
     {
         longArg = toInt32(info.GetIsolate(), info[0], NormalConversion, exceptionState);
-        if (exceptionState.throwIfNeeded())
+        if (exceptionState.hadException())
             return;
     }
     TestInterfacePartial::partialVoidMethodLongArg(*impl, longArg);
 }
 
 static void partialVoidMethodLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::partialVoidMethodLongArgMethod(info);
 }
 
 static void partialCallWithExecutionContextRaisesExceptionVoidMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "partialCallWithExecutionContextRaisesExceptionVoidMethod", "TestInterface", info.Holder(), info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     TestInterfacePartial::partialCallWithExecutionContextRaisesExceptionVoidMethod(executionContext, *impl, exceptionState);
     if (exceptionState.hadException()) {
-        exceptionState.throwIfNeeded();
         return;
     }
 }
 
 static void partialCallWithExecutionContextRaisesExceptionVoidMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::partialCallWithExecutionContextRaisesExceptionVoidMethodMethod(info);
 }
 
 static void partialVoidMethodPartialCallbackTypeArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
@@ skipping 17 matching lines @@
 static void partialVoidMethodPartialCallbackTypeArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::partialVoidMethodPartialCallbackTypeArgMethod(info);
 }
 
 static void shortMethodWithShortArgumentImplementedInPrivateScriptMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "shortMethodWithShortArgumentImplementedInPrivateScript", "TestInterface", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         setMinimumArityTypeError(exceptionState, 1, info.Length());
-        exceptionState.throwIfNeeded();
         return;
     }
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     int value;
     {
         value = toInt16(info.GetIsolate(), info[0], NormalConversion, exceptionState);
-        if (exceptionState.throwIfNeeded())
+        if (exceptionState.hadException())
             return;
     }
     int result = 0;
     if (!V8TestInterface::PrivateScript::shortMethodWithShortArgumentImplementedInPrivateScriptMethod(toLocalFrame(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext())), impl, value, &result))
         return;
     v8SetReturnValueInt(info, result);
 }
 
 static void shortMethodWithShortArgumentImplementedInPrivateScriptMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
@@ skipping 232 matching lines @@
     TestInterfaceImplementationV8Internal::partial2StaticVoidMethodMethod(info);
 }
 
 static void toJSONMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "toJSON", "TestInterface", info.Holder(), info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     ScriptState* scriptState = ScriptState::forReceiverObject(info);
     ScriptValue result = impl->toJSONForBinding(scriptState, exceptionState);
     if (exceptionState.hadException()) {
-        exceptionState.throwIfNeeded();
         return;
     }
     v8SetReturnValue(info, result.v8Value());
 }
 
 static void toJSONMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::toJSONMethod(info);
 }
 
 static void toStringMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     v8SetReturnValueString(info, impl->toString(), info.GetIsolate());
 }
 
 static void toStringMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::toStringMethod(info);
 }
 
 static void iteratorMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "iterator", "TestInterface", info.Holder(), info.GetIsolate());
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     ScriptState* scriptState = ScriptState::forReceiverObject(info);
     Iterator* result = impl->iterator(scriptState, exceptionState);
     if (exceptionState.hadException()) {
-        exceptionState.throwIfNeeded();
         return;
     }
     v8SetReturnValue(info, result);
 }
 
 static void iteratorMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementationV8Internal::iteratorMethod(info);
 }
 
@@ skipping 82 matching lines @@
     TestInterfaceImplementationV8Internal::namedPropertySetter(name, v8Value, info);
 }
 
 static void namedPropertyQuery(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
 {
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     AtomicString propertyName = toCoreAtomicString(name.As<v8::String>());
     v8::String::Utf8Value namedProperty(name);
     ExceptionState exceptionState(ExceptionState::GetterContext, *namedProperty, "TestInterface", info.Holder(), info.GetIsolate());
     bool result = impl->namedPropertyQuery(propertyName, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     if (!result)
         return;
     v8SetReturnValueInt(info, v8::None);
 }
 
 static void namedPropertyQueryCallback(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
 {
     if (!name->IsString())
         return;
@@ skipping 15 matching lines @@
         return;
     TestInterfaceImplementationV8Internal::namedPropertyDeleter(name, info);
 }
 
 static void namedPropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
 {
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
     Vector<String> names;
     ExceptionState exceptionState(ExceptionState::EnumerationContext, "TestInterface", info.Holder(), info.GetIsolate());
     impl->namedPropertyEnumerator(names, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     v8::Local<v8::Array> v8names = v8::Array::New(info.GetIsolate(), names.size());
     for (size_t i = 0; i < names.size(); ++i) {
         if (!v8CallBoolean(v8names->CreateDataProperty(info.GetIsolate()->GetCurrentContext(), i, v8String(info.GetIsolate(), names[i]))))
             return;
     }
     v8SetReturnValue(info, v8names);
 }
 
 static void namedPropertyEnumeratorCallback(const v8::PropertyCallbackInfo<v8::Array>& info)
@@ skipping 446 matching lines @@
 
     ScriptState::Scope scope(scriptState);
     v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
     v8::Local<v8::Value> valueHandle = v8::Integer::New(scriptState->isolate(), value);
     v8::Local<v8::Value> argv[] = { valueHandle };
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "shortMethodWithShortArgumentImplementedInPrivateScript", "TestInterfaceImplementation", scriptState->context()->Global(), scriptState->isolate());
     v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestInterfaceImplementation", "shortMethodWithShortArgumentImplementedInPrivateScript", holder, 1, argv);
     if (v8Value.IsEmpty())
         return false;
     int cppValue = toInt16(scriptState->isolate(), v8Value, NormalConversion, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return false;
     *result = cppValue;
     RELEASE_ASSERT(!exceptionState.hadException());
     return true;
 }
 
 bool V8TestInterface::PrivateScript::stringAttributeAttributeGetter(LocalFrame* frame, TestInterfaceImplementation* holderImpl, String* result)
 {
     if (!frame)
         return false;
@@ skipping 72 matching lines @@
 {
     TestInterfaceImplementationV8Internal::partial2VoidMethodMethodForPartialInterface = method;
 }
 
 void V8TestInterface::registerPartial2StaticVoidMethodMethodForPartialInterface(void (*method)(const v8::FunctionCallbackInfo<v8::Value>&))
 {
     TestInterfaceImplementationV8Internal::partial2StaticVoidMethodMethodForPartialInterface = method;
 }
 
 } // namespace blink