Improve handling of failed integer type conversions.

Source/bindings/tests/results/V8TestObjectPython.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 246 matching lines @@
 
 static void byteAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::byteAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void byteAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "byteAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt8(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt8(jsValue, exceptionState), exceptionState);
     imp->setByteAttribute(cppValue);
 }
 
 static void byteAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::byteAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 59 matching lines @@
 
 static void longAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::longAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void longAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "longAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setLongAttribute(cppValue);
 }
 
 static void longAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::longAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void longLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValue(info, static_cast<double>(imp->longLongAttribute()));
 }
 
 static void longLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::longLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void longLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "longLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(long long, cppValue, toInt64(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(long long, cppValue, toInt64(jsValue, exceptionState), exceptionState);
     imp->setLongLongAttribute(cppValue);
 }
 
 static void longLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::longLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void octetAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueUnsigned(info, imp->octetAttribute());
 }
 
 static void octetAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::octetAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void octetAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "octetAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(unsigned, cppValue, toUInt8(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(unsigned, cppValue, toUInt8(jsValue, exceptionState), exceptionState);
     imp->setOctetAttribute(cppValue);
 }
 
 static void octetAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::octetAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void shortAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->shortAttribute());
 }
 
 static void shortAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::shortAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void shortAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "shortAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt16(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt16(jsValue, exceptionState), exceptionState);
     imp->setShortAttribute(cppValue);
 }
 
 static void shortAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::shortAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void unsignedLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueUnsigned(info, imp->unsignedLongAttribute());
 }
 
 static void unsignedLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::unsignedLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void unsignedLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "unsignedLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(unsigned, cppValue, toUInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(unsigned, cppValue, toUInt32(jsValue, exceptionState), exceptionState);
     imp->setUnsignedLongAttribute(cppValue);
 }
 
 static void unsignedLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::unsignedLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void unsignedLongLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValue(info, static_cast<double>(imp->unsignedLongLongAttribute()));
 }
 
 static void unsignedLongLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::unsignedLongLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void unsignedLongLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "unsignedLongLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(unsigned long long, cppValue, toUInt64(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(unsigned long long, cppValue, toUInt64(jsValue, exceptionState), exceptionState);
     imp->setUnsignedLongLongAttribute(cppValue);
 }
 
 static void unsignedLongLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::unsignedLongLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void unsignedShortAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueUnsigned(info, imp->unsignedShortAttribute());
 }
 
 static void unsignedShortAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::unsignedShortAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void unsignedShortAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "unsignedShortAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(unsigned, cppValue, toUInt16(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(unsigned, cppValue, toUInt16(jsValue, exceptionState), exceptionState);
     imp->setUnsignedShortAttribute(cppValue);
 }
 
 static void unsignedShortAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::unsignedShortAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 86 matching lines @@
 
 static void cssAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::cssAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void cssAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "cssAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setCSSAttribute(cppValue);
 }
 
 static void cssAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::cssAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void imeAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->imeAttribute());
 }
 
 static void imeAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::imeAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void imeAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "imeAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setIMEAttribute(cppValue);
 }
 
 static void imeAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::imeAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void svgAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->svgAttribute());
 }
 
 static void svgAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::svgAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void svgAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "svgAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setSVGAttribute(cppValue);
 }
 
 static void svgAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::svgAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void xmlAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->xmlAttribute());
 }
 
 static void xmlAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::xmlAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void xmlAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "xmlAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setXMLAttribute(cppValue);
 }
 
 static void xmlAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::xmlAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 597 matching lines @@
 
 static void nullableLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::nullableLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void nullableLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "nullableLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setNullableLongAttribute(cppValue);
 }
 
 static void nullableLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::nullableLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 59 matching lines @@
 
 static void staticLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::staticLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void staticLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    ExceptionState exceptionState(ExceptionState::SetterContext, "staticLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     TestObjectPython::setStaticLongAttribute(cppValue);
 }
 
 static void staticLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::staticLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 36 matching lines @@
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObjectPython.activityLoggingAccessForAllWorldsLongAttribute", 0, 0, "Getter");
     TestObjectPythonV8Internal::activityLoggingAccessForAllWorldsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingAccessForAllWorldsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingAccessForAllWorldsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggingAccessForAllWorldsLongAttribute(cppValue);
 }
 
 static void activityLoggingAccessForAllWorldsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObjectPython.activityLoggingAccessForAllWorldsLongAttribute", 1, &loggerArg[0], "Setter");
@@ skipping 13 matching lines @@
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObjectPython.activityLoggingGetterForAllWorldsLongAttribute", 0, 0, "Getter");
     TestObjectPythonV8Internal::activityLoggingGetterForAllWorldsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingGetterForAllWorldsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingGetterForAllWorldsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggingGetterForAllWorldsLongAttribute(cppValue);
 }
 
 static void activityLoggingGetterForAllWorldsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::activityLoggingGetterForAllWorldsLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingSetterForAllWorldsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggingSetterForAllWorldsLongAttribute());
 }
 
 static void activityLoggingSetterForAllWorldsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::activityLoggingSetterForAllWorldsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingSetterForAllWorldsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingSetterForAllWorldsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggingSetterForAllWorldsLongAttribute(cppValue);
 }
 
 static void activityLoggingSetterForAllWorldsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObjectPython.activityLoggingSetterForAllWorldsLongAttribute", 1, &loggerArg[0], "Setter");
@@ skipping 101 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::conditionalLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 #endif // ENABLE(CONDITION)
 
 #if ENABLE(CONDITION)
 static void conditionalLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "conditionalLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setConditionalLongAttribute(cppValue);
 }
 #endif // ENABLE(CONDITION)
 
 #if ENABLE(CONDITION)
 static void conditionalLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::conditionalLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
@@ skipping 13 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::conditionalAndLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 #endif // ENABLE(CONDITION_1) && ENABLE(CONDITION_2)
 
 #if ENABLE(CONDITION_1) && ENABLE(CONDITION_2)
 static void conditionalAndLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "conditionalAndLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setConditionalAndLongAttribute(cppValue);
 }
 #endif // ENABLE(CONDITION_1) && ENABLE(CONDITION_2)
 
 #if ENABLE(CONDITION_1) && ENABLE(CONDITION_2)
 static void conditionalAndLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::conditionalAndLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
@@ skipping 13 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::conditionalOrLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 #endif // ENABLE(CONDITION_1) || ENABLE(CONDITION_2)
 
 #if ENABLE(CONDITION_1) || ENABLE(CONDITION_2)
 static void conditionalOrLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "conditionalOrLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setConditionalOrLongAttribute(cppValue);
 }
 #endif // ENABLE(CONDITION_1) || ENABLE(CONDITION_2)
 
 #if ENABLE(CONDITION_1) || ENABLE(CONDITION_2)
 static void conditionalOrLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::conditionalOrLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
@@ skipping 16 matching lines @@
 
 static void customGetterLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8TestObjectPython::customGetterLongAttributeAttributeGetterCustom(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void customGetterLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "customGetterLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setCustomGetterLongAttribute(cppValue);
 }
 
 static void customGetterLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::customGetterLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 64 matching lines @@
 static void deprecatedLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     UseCounter::countDeprecation(activeExecutionContext(), UseCounter::LongAttribute);
     TestObjectPythonV8Internal::deprecatedLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void deprecatedLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "deprecatedLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setDeprecatedLongAttribute(cppValue);
 }
 
 static void deprecatedLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     UseCounter::countDeprecation(activeExecutionContext(), UseCounter::LongAttribute);
     TestObjectPythonV8Internal::deprecatedLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void enforceRangeLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->enforceRangeLongAttribute());
 }
 
 static void enforceRangeLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::enforceRangeLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void enforceRangeLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "enforceRangeLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_WITH_TYPECHECK_VOID(int, cppValue, toInt32(jsValue, EnforceRange, ok), info.GetIsolate());
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, EnforceRange, exceptionState), exceptionState);
     imp->setEnforceRangeLongAttribute(cppValue);
 }
 
 static void enforceRangeLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::enforceRangeLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void exposeJSAccessorsLongAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->exposeJSAccessorsLongAttribute());
 }
 
 static void exposeJSAccessorsLongAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::exposeJSAccessorsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void exposeJSAccessorsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "exposeJSAccessorsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setExposeJSAccessorsLongAttribute(cppValue);
 }
 
 static void exposeJSAccessorsLongAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> jsValue = info[0];
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::exposeJSAccessorsLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
@@ skipping 10 matching lines @@
 
 static void getterRaisesExceptionLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::getterRaisesExceptionLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void getterRaisesExceptionLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "getterRaisesExceptionLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setGetterRaisesExceptionLongAttribute(cppValue);
 }
 
 static void getterRaisesExceptionLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::getterRaisesExceptionLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void implementedAsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->implementedAsName());
 }
 
 static void implementedAsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::implementedAsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void implementedAsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "implementedAsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setImplementedAsName(cppValue);
 }
 
 static void implementedAsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::implementedAsLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 13 matching lines @@
 
 static void customGetterImplementedAsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8TestObjectPython::customGetterImplementedAsLongAttributeAttributeGetterCustom(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void customGetterImplementedAsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "customGetterImplementedAsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setImplementedAsNameWithCustomGetter(cppValue);
 }
 
 static void customGetterImplementedAsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::customGetterImplementedAsLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 26 matching lines @@
 static void measureAsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     UseCounter::count(activeDOMWindow(), UseCounter::TestFeature);
     TestObjectPythonV8Internal::measureAsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void measureAsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "measureAsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setMeasureAsLongAttribute(cppValue);
 }
 
 static void measureAsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     UseCounter::count(activeDOMWindow(), UseCounter::TestFeature);
     TestObjectPythonV8Internal::measureAsLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void notEnumerableLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->notEnumerableLongAttribute());
 }
 
 static void notEnumerableLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::notEnumerableLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void notEnumerableLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "notEnumerableLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setNotEnumerableLongAttribute(cppValue);
 }
 
 static void notEnumerableLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::notEnumerableLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void perContextEnabledLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->perContextEnabledLongAttribute());
 }
 
 static void perContextEnabledLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::perContextEnabledLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void perContextEnabledLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "perContextEnabledLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setPerContextEnabledLongAttribute(cppValue);
 }
 
 static void perContextEnabledLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::perContextEnabledLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void perWorldBindingsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->perWorldBindingsLongAttribute());
 }
 
 static void perWorldBindingsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::perWorldBindingsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void perWorldBindingsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "perWorldBindingsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void perWorldBindingsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::perWorldBindingsLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void perWorldBindingsLongAttributeAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->perWorldBindingsLongAttribute());
 }
 
 static void perWorldBindingsLongAttributeAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::perWorldBindingsLongAttributeAttributeGetterForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void perWorldBindingsLongAttributeAttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "perWorldBindingsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void perWorldBindingsLongAttributeAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::perWorldBindingsLongAttributeAttributeSetterForMainWorld(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 34 matching lines @@
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObjectPython.activityLoggingAccessPerWorldBindingsLongAttribute", 0, 0, "Getter");
     TestObjectPythonV8Internal::activityLoggingAccessPerWorldBindingsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingAccessPerWorldBindingsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggingAccessPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObjectPython.activityLoggingAccessPerWorldBindingsLongAttribute", 1, &loggerArg[0], "Setter");
@@ skipping 13 matching lines @@
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObjectPython.activityLoggingAccessPerWorldBindingsLongAttribute", 0, 0, "Getter");
     TestObjectPythonV8Internal::activityLoggingAccessPerWorldBindingsLongAttributeAttributeGetterForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingAccessPerWorldBindingsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggingAccessPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObjectPython.activityLoggingAccessPerWorldBindingsLongAttribute", 1, &loggerArg[0], "Setter");
@@ skipping 13 matching lines @@
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObjectPython.activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute", 0, 0, "Getter");
     TestObjectPythonV8Internal::activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObjectPython.activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute", 1, &loggerArg[0], "Setter");
@@ skipping 10 matching lines @@
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterForMainWorld(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggingGetterPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObjectPython.activityLoggingGetterPerWorldBindingsLongAttribute", 0, 0, "Getter");
     TestObjectPythonV8Internal::activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingGetterPerWorldBindingsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggingGetterPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggingGetterPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObjectPython.activityLoggingGetterPerWorldBindingsLongAttribute", 0, 0, "Getter");
     TestObjectPythonV8Internal::activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetterForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingGetterPerWorldBindingsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggingGetterPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetterForMainWorld(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObjectPython.activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute", 0, 0, "Getter");
     TestObjectPythonV8Internal::activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterForMainWorld(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 11 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::raisesExceptionLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void raisesExceptionLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "raisesExceptionLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setRaisesExceptionLongAttribute(cppValue, exceptionState);
     exceptionState.throwIfNeeded();
 }
 
 static void raisesExceptionLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::raisesExceptionLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
@@ skipping 93 matching lines @@
 
 static void reflectLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::reflectLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void reflectLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "reflectLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setIntegralAttribute(HTMLNames::reflectlongattributeAttr, cppValue);
 }
 
 static void reflectLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjectPythonV8Internal::reflectLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void reflectUnsignedShortAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueUnsigned(info, std::max(0, imp->fastGetAttribute(HTMLNames::reflectunsignedshortattributeAttr)));
 }
 
 static void reflectUnsignedShortAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::reflectUnsignedShortAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void reflectUnsignedShortAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "reflectUnsignedShortAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(unsigned, cppValue, toUInt16(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(unsigned, cppValue, toUInt16(jsValue, exceptionState), exceptionState);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setAttribute(HTMLNames::reflectunsignedshortattributeAttr, cppValue);
 }
 
 static void reflectUnsignedShortAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjectPythonV8Internal::reflectUnsignedShortAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void reflectUnsignedLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     v8SetReturnValueUnsigned(info, std::max(0, imp->getIntegralAttribute(HTMLNames::reflectunsignedlongattributeAttr)));
 }
 
 static void reflectUnsignedLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::reflectUnsignedLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void reflectUnsignedLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "reflectUnsignedLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(unsigned, cppValue, toUInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(unsigned, cppValue, toUInt32(jsValue, exceptionState), exceptionState);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setUnsignedIntegralAttribute(HTMLNames::reflectunsignedlongattributeAttr, cppValue);
 }
 
 static void reflectUnsignedLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjectPythonV8Internal::reflectUnsignedLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
@@ skipping 194 matching lines @@
 
 static void runtimeEnabledLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::runtimeEnabledLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void runtimeEnabledLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "runtimeEnabledLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setRuntimeEnabledLongAttribute(cppValue);
 }
 
 static void runtimeEnabledLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::runtimeEnabledLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 10 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::conditionalRuntimeEnabledLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 #endif // ENABLE(CONDITION)
 
 #if ENABLE(CONDITION)
 static void conditionalRuntimeEnabledLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "conditionalRuntimeEnabledLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setConditionalRuntimeEnabledLongAttribute(cppValue);
 }
 #endif // ENABLE(CONDITION)
 
 #if ENABLE(CONDITION)
 static void conditionalRuntimeEnabledLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::conditionalRuntimeEnabledLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
@@ skipping 37 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::setterRaisesExceptionLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void setterRaisesExceptionLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "setterRaisesExceptionLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setSetterRaisesExceptionLongAttribute(cppValue, exceptionState);
     exceptionState.throwIfNeeded();
 }
 
 static void setterRaisesExceptionLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::setterRaisesExceptionLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
@@ skipping 208 matching lines @@
 
 static void unforgeableLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjectPythonV8Internal::unforgeableLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void unforgeableLongAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
+    ExceptionState exceptionState(ExceptionState::SetterContext, "unforgeableLongAttribute", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, cppValue, toInt32(jsValue));
+    V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setUnforgeableLongAttribute(cppValue);
 }
 
 static void unforgeableLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjectPythonV8Internal::unforgeableLongAttributeAttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 273 matching lines @@
 
 static void voidMethodBooleanArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodBooleanArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodByteArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodByteArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodByteArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, byteArg, toInt8(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, byteArg, toInt8(info[0], exceptionState), exceptionState);
     imp->voidMethodByteArg(byteArg);
 }
 
 static void voidMethodByteArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodByteArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 28 matching lines @@
 
 static void voidMethodFloatArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodFloatArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodLongArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->voidMethodLongArg(longArg);
 }
 
 static void voidMethodLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodLongLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodLongLongArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(long long, longLongArg, toInt64(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(long long, longLongArg, toInt64(info[0], exceptionState), exceptionState);
     imp->voidMethodLongLongArg(longLongArg);
 }
 
 static void voidMethodLongLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodLongLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodOctetArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodOctetArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodOctetArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(unsigned, octetArg, toUInt8(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(unsigned, octetArg, toUInt8(info[0], exceptionState), exceptionState);
     imp->voidMethodOctetArg(octetArg);
 }
 
 static void voidMethodOctetArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodOctetArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodShortArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodShortArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodShortArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, shortArg, toInt16(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, shortArg, toInt16(info[0], exceptionState), exceptionState);
     imp->voidMethodShortArg(shortArg);
 }
 
 static void voidMethodShortArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodShortArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodUnsignedLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodUnsignedLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodUnsignedLongArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(unsigned, unsignedLongArg, toUInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(unsigned, unsignedLongArg, toUInt32(info[0], exceptionState), exceptionState);
     imp->voidMethodUnsignedLongArg(unsignedLongArg);
 }
 
 static void voidMethodUnsignedLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodUnsignedLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodUnsignedLongLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodUnsignedLongLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodUnsignedLongLongArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(unsigned long long, unsignedLongLongArg, toUInt64(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(unsigned long long, unsignedLongLongArg, toUInt64(info[0], exceptionState), exceptionState);
     imp->voidMethodUnsignedLongLongArg(unsignedLongLongArg);
 }
 
 static void voidMethodUnsignedLongLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodUnsignedLongLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodUnsignedShortArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodUnsignedShortArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodUnsignedShortArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(unsigned, unsignedShortArg, toUInt16(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(unsigned, unsignedShortArg, toUInt16(info[0], exceptionState), exceptionState);
     imp->voidMethodUnsignedShortArg(unsignedShortArg);
 }
 
 static void voidMethodUnsignedShortArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodUnsignedShortArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 23 matching lines @@
 
 static void voidMethodTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodLongArgTestInterfaceEmptyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongArgTestInterfaceEmptyArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodLongArgTestInterfaceEmptyArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(2, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     V8TRYCATCH_VOID(TestInterfaceEmpty*, testInterfaceEmptyArg, V8TestInterfaceEmpty::hasInstance(info[1], info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestInterfaceEmpty::toNative(v8::Handle<v8::Object>::Cast(info[1])) : 0);
     imp->voidMethodLongArgTestInterfaceEmptyArg(longArg, testInterfaceEmptyArg);
 }
 
 static void voidMethodLongArgTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodLongArgTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
@@ skipping 805 matching lines @@
 
 static void voidMethodSequenceDictionaryArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodSequenceDictionaryArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodStringArgLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodStringArgLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodStringArgLongArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(2, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, stringArg, info[0]);
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[1]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[1], exceptionState), exceptionState);
     imp->voidMethodStringArgLongArg(stringArg, longArg);
 }
 
 static void voidMethodStringArgLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodStringArgLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 28 matching lines @@
 
 static void voidMethodOptionalTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodOptionalTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodOptionalLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodOptionalLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     if (UNLIKELY(info.Length() <= 0)) {
         imp->voidMethodOptionalLongArg();
         return;
     }
-    V8TRYCATCH_VOID(int, optionalLongArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, optionalLongArg, toInt32(info[0], exceptionState), exceptionState);
     imp->voidMethodOptionalLongArg(optionalLongArg);
 }
 
 static void voidMethodOptionalLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void stringMethodOptionalLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "stringMethodOptionalLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     if (UNLIKELY(info.Length() <= 0)) {
         v8SetReturnValueString(info, imp->stringMethodOptionalLongArg(), info.GetIsolate());
         return;
     }
-    V8TRYCATCH_VOID(int, optionalLongArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, optionalLongArg, toInt32(info[0], exceptionState), exceptionState);
     v8SetReturnValueString(info, imp->stringMethodOptionalLongArg(optionalLongArg), info.GetIsolate());
 }
 
 static void stringMethodOptionalLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::stringMethodOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void testInterfaceEmptyMethodOptionalLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "testInterfaceEmptyMethodOptionalLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     if (UNLIKELY(info.Length() <= 0)) {
         v8SetReturnValue(info, imp->testInterfaceEmptyMethodOptionalLongArg());
         return;
     }
-    V8TRYCATCH_VOID(int, optionalLongArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, optionalLongArg, toInt32(info[0], exceptionState), exceptionState);
     v8SetReturnValue(info, imp->testInterfaceEmptyMethodOptionalLongArg(optionalLongArg));
 }
 
 static void testInterfaceEmptyMethodOptionalLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::testInterfaceEmptyMethodOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void longMethodOptionalLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "longMethodOptionalLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     if (UNLIKELY(info.Length() <= 0)) {
         v8SetReturnValueInt(info, imp->longMethodOptionalLongArg());
         return;
     }
-    V8TRYCATCH_VOID(int, optionalLongArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, optionalLongArg, toInt32(info[0], exceptionState), exceptionState);
     v8SetReturnValueInt(info, imp->longMethodOptionalLongArg(optionalLongArg));
 }
 
 static void longMethodOptionalLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::longMethodOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodLongArgOptionalLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongArgOptionalLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodLongArgOptionalLongArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 1)) {
         imp->voidMethodLongArgOptionalLongArg(longArg);
         return;
     }
-    V8TRYCATCH_VOID(int, optionalLongArg, toInt32(info[1]));
+    V8TRYCATCH_EXCEPTION_VOID(int, optionalLongArg, toInt32(info[1], exceptionState), exceptionState);
     imp->voidMethodLongArgOptionalLongArg(longArg, optionalLongArg);
 }
 
 static void voidMethodLongArgOptionalLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodLongArgOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodLongArgOptionalLongArgOptionalLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongArgOptionalLongArgOptionalLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodLongArgOptionalLongArgOptionalLongArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 1)) {
         imp->voidMethodLongArgOptionalLongArgOptionalLongArg(longArg);
         return;
     }
-    V8TRYCATCH_VOID(int, optionalLongArg1, toInt32(info[1]));
+    V8TRYCATCH_EXCEPTION_VOID(int, optionalLongArg1, toInt32(info[1], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 2)) {
         imp->voidMethodLongArgOptionalLongArgOptionalLongArg(longArg, optionalLongArg1);
         return;
     }
-    V8TRYCATCH_VOID(int, optionalLongArg2, toInt32(info[2]));
+    V8TRYCATCH_EXCEPTION_VOID(int, optionalLongArg2, toInt32(info[2], exceptionState), exceptionState);
     imp->voidMethodLongArgOptionalLongArgOptionalLongArg(longArg, optionalLongArg1, optionalLongArg2);
 }
 
 static void voidMethodLongArgOptionalLongArgOptionalLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodLongArgOptionalLongArgOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodLongArgOptionalTestInterfaceEmptyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongArgOptionalTestInterfaceEmptyArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodLongArgOptionalTestInterfaceEmptyArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 1)) {
         imp->voidMethodLongArgOptionalTestInterfaceEmptyArg(longArg);
         return;
     }
     V8TRYCATCH_VOID(TestInterfaceEmpty*, optionalTestInterfaceEmpty, V8TestInterfaceEmpty::hasInstance(info[1], info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestInterfaceEmpty::toNative(v8::Handle<v8::Object>::Cast(info[1])) : 0);
     imp->voidMethodLongArgOptionalTestInterfaceEmptyArg(longArg, optionalTestInterfaceEmpty);
 }
 
 static void voidMethodLongArgOptionalTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodLongArgOptionalTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodTestInterfaceEmptyArgOptionalLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodTestInterfaceEmptyArgOptionalLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestInterfaceEmptyArgOptionalLongArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     V8TRYCATCH_VOID(TestInterfaceEmpty*, optionalTestInterfaceEmpty, V8TestInterfaceEmpty::hasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestInterfaceEmpty::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0);
     if (UNLIKELY(info.Length() <= 1)) {
         imp->voidMethodTestInterfaceEmptyArgOptionalLongArg(optionalTestInterfaceEmpty);
         return;
     }
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[1]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[1], exceptionState), exceptionState);
     imp->voidMethodTestInterfaceEmptyArgOptionalLongArg(optionalTestInterfaceEmpty, longArg);
 }
 
 static void voidMethodTestInterfaceEmptyArgOptionalLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodTestInterfaceEmptyArgOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 90 matching lines @@
 
 static void voidMethodTestInterfaceEmptyArgVariadicTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodTestInterfaceEmptyArgVariadicTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void overloadedMethodA1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodA", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodA", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->overloadedMethodA(longArg);
 }
 
 static void overloadedMethodA2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodA", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodA", "TestObjectPython", ExceptionMessages::notEnoughArguments(2, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg1, toInt32(info[0]));
-    V8TRYCATCH_VOID(int, longArg2, toInt32(info[1]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg1, toInt32(info[0], exceptionState), exceptionState);
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg2, toInt32(info[1], exceptionState), exceptionState);
     imp->overloadedMethodA(longArg1, longArg2);
 }
 
 static void overloadedMethodAMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1))) {
         overloadedMethodA1Method(info);
         return;
     }
     if (((info.Length() == 2))) {
@@ skipping 12 matching lines @@
 
 static void overloadedMethodAMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::overloadedMethodAMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void overloadedMethodB1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodB", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodB", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->overloadedMethodB(longArg);
 }
 
 static void overloadedMethodB2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodB", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodB", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg1, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg1, toInt32(info[0], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 1)) {
         imp->overloadedMethodB(longArg1);
         return;
     }
-    V8TRYCATCH_VOID(int, longArg2, toInt32(info[1]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg2, toInt32(info[1], exceptionState), exceptionState);
     imp->overloadedMethodB(longArg1, longArg2);
 }
 
 static void overloadedMethodBMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1))) {
         overloadedMethodB1Method(info);
         return;
     }
     if (((info.Length() == 1)) || ((info.Length() == 2))) {
@@ skipping 12 matching lines @@
 
 static void overloadedMethodBMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::overloadedMethodBMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void overloadedMethodC1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodC", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodC", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->overloadedMethodC(longArg);
 }
 
 static void overloadedMethodC2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodC", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodC", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     V8TRYCATCH_VOID(Vector<int>, longArgs, toNativeArguments<int>(info, 1));
     imp->overloadedMethodC(longArg, longArgs);
 }
 
 static void overloadedMethodCMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1))) {
         overloadedMethodC1Method(info);
         return;
     }
@@ skipping 13 matching lines @@
 
 static void overloadedMethodCMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::overloadedMethodCMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void overloadedMethodD1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodD", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodD", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->overloadedMethodD(longArg);
 }
 
 static void overloadedMethodD2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodD", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
@@ skipping 23 matching lines @@
 
 static void overloadedMethodDMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::overloadedMethodDMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void overloadedMethodE1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodE", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodE", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->overloadedMethodE(longArg);
 }
 
 static void overloadedMethodE2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodE", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
@@ skipping 23 matching lines @@
 
 static void overloadedMethodEMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::overloadedMethodEMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void overloadedMethodF1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodF", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodF", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->overloadedMethodF(longArg);
 }
 
 static void overloadedMethodF2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodF", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
@@ skipping 72 matching lines @@
 }
 
 static void overloadedPerWorldBindingsMethod1MethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     imp->overloadedPerWorldBindingsMethod();
 }
 
 static void overloadedPerWorldBindingsMethod2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedPerWorldBindingsMethod", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedPerWorldBindingsMethod", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->overloadedPerWorldBindingsMethod(longArg);
 }
 
 static void overloadedPerWorldBindingsMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 0))) {
         overloadedPerWorldBindingsMethod1Method(info);
         return;
     }
     if (((info.Length() == 1))) {
         overloadedPerWorldBindingsMethod2Method(info);
         return;
     }
     throwTypeError(ExceptionMessages::failedToExecute("overloadedPerWorldBindingsMethod", "TestObjectPython", "No function was found that matched the signature provided."), info.GetIsolate());
 }
 
 static void overloadedPerWorldBindingsMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::overloadedPerWorldBindingsMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void overloadedPerWorldBindingsMethod2MethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedPerWorldBindingsMethod", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedPerWorldBindingsMethod", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->overloadedPerWorldBindingsMethod(longArg);
 }
 
 static void overloadedPerWorldBindingsMethodMethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 0))) {
         overloadedPerWorldBindingsMethod1MethodForMainWorld(info);
         return;
     }
     if (((info.Length() == 1))) {
         overloadedPerWorldBindingsMethod2MethodForMainWorld(info);
         return;
     }
     throwTypeError(ExceptionMessages::failedToExecute("overloadedPerWorldBindingsMethod", "TestObjectPython", "No function was found that matched the signature provided."), info.GetIsolate());
 }
 
 static void overloadedPerWorldBindingsMethodMethodCallbackForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::overloadedPerWorldBindingsMethodMethodForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void overloadedStaticMethod1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedStaticMethod", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedStaticMethod", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
-    V8TRYCATCH_VOID(int, longArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     TestObjectPython::overloadedStaticMethod(longArg);
 }
 
 static void overloadedStaticMethod2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedStaticMethod", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedStaticMethod", "TestObjectPython", ExceptionMessages::notEnoughArguments(2, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
-    V8TRYCATCH_VOID(int, longArg1, toInt32(info[0]));
-    V8TRYCATCH_VOID(int, longArg2, toInt32(info[1]));
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg1, toInt32(info[0], exceptionState), exceptionState);
+    V8TRYCATCH_EXCEPTION_VOID(int, longArg2, toInt32(info[1], exceptionState), exceptionState);
     TestObjectPython::overloadedStaticMethod(longArg1, longArg2);
 }
 
 static void overloadedStaticMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1))) {
         overloadedStaticMethod1Method(info);
         return;
     }
     if (((info.Length() == 2))) {
@@ skipping 68 matching lines @@
 
 static void removeEventListenerMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::removeEventListenerMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodClampUnsignedShortArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodClampUnsignedShortArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodClampUnsignedShortArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     unsigned clampUnsignedShortArg = 0;
     V8TRYCATCH_VOID(double, clampUnsignedShortArgNativeValue, info[0]->NumberValue());
     if (!std::isnan(clampUnsignedShortArgNativeValue))
         clampUnsignedShortArg = clampTo<unsigned short>(clampUnsignedShortArgNativeValue);
     imp->voidMethodClampUnsignedShortArg(clampUnsignedShortArg);
 }
 
 static void voidMethodClampUnsignedShortArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodClampUnsignedShortArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodClampUnsignedLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodClampUnsignedLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodClampUnsignedLongArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     unsigned clampUnsignedLongArg = 0;
     V8TRYCATCH_VOID(double, clampUnsignedLongArgNativeValue, info[0]->NumberValue());
     if (!std::isnan(clampUnsignedLongArgNativeValue))
         clampUnsignedLongArg = clampTo<unsigned long>(clampUnsignedLongArgNativeValue);
     imp->voidMethodClampUnsignedLongArg(clampUnsignedLongArg);
 }
 
@@ skipping 13 matching lines @@
 
 static void voidMethodDefaultUndefinedTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodDefaultUndefinedTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodDefaultUndefinedLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodDefaultUndefinedLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_VOID(int, defaultUndefinedLongArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, defaultUndefinedLongArg, toInt32(info[0], exceptionState), exceptionState);
     imp->voidMethodDefaultUndefinedLongArg(defaultUndefinedLongArg);
 }
 
 static void voidMethodDefaultUndefinedLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodDefaultUndefinedLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 20 matching lines @@
 
 static void voidMethodDefaultNullStringStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodDefaultNullStringStringArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
 static void voidMethodEnforceRangeLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodEnforceRangeLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodEnforceRangeLongArg", "TestObjectPython", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
-    V8TRYCATCH_WITH_TYPECHECK_VOID(int, enforceRangeLongArg, toInt32(info[0], EnforceRange, ok), info.GetIsolate());
+    V8TRYCATCH_EXCEPTION_VOID(int, enforceRangeLongArg, toInt32(info[0], EnforceRange, exceptionState), exceptionState);
     imp->voidMethodEnforceRangeLongArg(enforceRangeLongArg);
 }
 
 static void voidMethodEnforceRangeLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::voidMethodEnforceRangeLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
@@ skipping 552 matching lines @@
 static void raisesExceptionVoidMethodOptionalLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "raisesExceptionVoidMethodOptionalLongArg", "TestObjectPython", info.Holder(), info.GetIsolate());
     TestObjectPython* imp = V8TestObjectPython::toNative(info.Holder());
     if (UNLIKELY(info.Length() <= 0)) {
         imp->raisesExceptionVoidMethodOptionalLongArg(exceptionState);
         if (exceptionState.throwIfNeeded())
             return;
         return;
     }
-    V8TRYCATCH_VOID(int, optionalLongArg, toInt32(info[0]));
+    V8TRYCATCH_EXCEPTION_VOID(int, optionalLongArg, toInt32(info[0], exceptionState), exceptionState);
     imp->raisesExceptionVoidMethodOptionalLongArg(optionalLongArg, exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
 }
 
 static void raisesExceptionVoidMethodOptionalLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectPythonV8Internal::raisesExceptionVoidMethodOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
@@ skipping 656 matching lines @@
     fromInternalPointer(object)->deref();
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestObjectPython* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore