Create fewer local v8::TryCatch objects in generated bindings code

Source/bindings/tests/results/V8TestTypedefs.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestTypedefs.h"
 
 #include "RuntimeEnabledFeatures.h"
@@ skipping 84 matching lines @@
 }
 
 static void TestTypedefsReplaceableAttributeSetterCallback(v8::Local<v8::String> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TestTypedefsV8Internal::TestTypedefsReplaceableAttributeSetter(name, v8Value, info);
 }
 
 static void voidMethodArrayOfLongsArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestTypedefs* impl = V8TestTypedefs::toNative(info.Holder());
-    if (UNLIKELY(info.Length() <= 0)) {
-        impl->voidMethodArrayOfLongsArg();
-        return;
+    Vector<int> arrayOfLongsArg;
+    {
+        v8::TryCatch block;
+        if (UNLIKELY(info.Length() <= 0)) {
+            impl->voidMethodArrayOfLongsArg();
+            return;
+        }
+        TONATIVE_VOID_INTERNAL(arrayOfLongsArg, toNativeArray<int>(info[0], 1, info.GetIsolate()));
     }
-    TONATIVE_VOID(Vector<int>, arrayOfLongsArg, toNativeArray<int>(info[0], 1, info.GetIsolate()));
     impl->voidMethodArrayOfLongsArg(arrayOfLongsArg);
 }
 
 static void voidMethodArrayOfLongsArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::voidMethodArrayOfLongsArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodFloatArgStringArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 2)) {
         throwMinimumArityTypeErrorForMethod("voidMethodFloatArgStringArg", "TestTypedefs", 2, info.Length(), info.GetIsolate());
         return;
     }
     TestTypedefs* impl = V8TestTypedefs::toNative(info.Holder());
-    TONATIVE_VOID(float, floatArg, static_cast<float>(info[0]->NumberValue()));
-    TOSTRING_VOID(V8StringResource<>, stringArg, info[1]);
+    float floatArg;
+    V8StringResource<> stringArg;
+    {
+        v8::TryCatch block;
+        TONATIVE_VOID_INTERNAL(floatArg, static_cast<float>(info[0]->NumberValue()));
+        TOSTRING_VOID_INTERNAL_RETHROW(stringArg, info[1], block);
+    }
     impl->voidMethodFloatArgStringArg(floatArg, stringArg);
 }
 
 static void voidMethodFloatArgStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::voidMethodFloatArgStringArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTestCallbackInterfaceTypeArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwMinimumArityTypeErrorForMethod("voidMethodTestCallbackInterfaceTypeArg", "TestTypedefs", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestTypedefs* impl = V8TestTypedefs::toNative(info.Holder());
-    if (info.Length() <= 0 || !info[0]->IsFunction()) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestCallbackInterfaceTypeArg", "TestTypedefs", "The callback provided as parameter 1 is not a function."), info.GetIsolate());
-        return;
+    OwnPtr<TestCallbackInterface> testCallbackInterfaceTypeArg;
+    {
+        if (info.Length() <= 0 || !info[0]->IsFunction()) {
+            throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestCallbackInterfaceTypeArg", "TestTypedefs", "The callback provided as parameter 1 is not a function."), info.GetIsolate());
+            return;
+        }
+        testCallbackInterfaceTypeArg = V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[0]), ScriptState::current(info.GetIsolate()));
     }
-    OwnPtr<TestCallbackInterface> testCallbackInterfaceTypeArg = V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[0]), ScriptState::current(info.GetIsolate()));
     impl->voidMethodTestCallbackInterfaceTypeArg(testCallbackInterfaceTypeArg.release());
 }
 
 static void voidMethodTestCallbackInterfaceTypeArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::voidMethodTestCallbackInterfaceTypeArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void uLongLongMethodTestInterfaceEmptyTypeSequenceArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwMinimumArityTypeErrorForMethod("uLongLongMethodTestInterfaceEmptyTypeSequenceArg", "TestTypedefs", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestTypedefs* impl = V8TestTypedefs::toNative(info.Holder());
-    TONATIVE_VOID(Vector<RefPtr<TestInterfaceEmpty> >, testInterfaceEmptyTypeSequenceArg, (toRefPtrNativeArray<TestInterfaceEmpty, V8TestInterfaceEmpty>(info[0], 1, info.GetIsolate())));
+    Vector<RefPtr<TestInterfaceEmpty> > testInterfaceEmptyTypeSequenceArg;
+    {
+        v8::TryCatch block;
+        TONATIVE_VOID_INTERNAL(testInterfaceEmptyTypeSequenceArg, (toRefPtrNativeArray<TestInterfaceEmpty, V8TestInterfaceEmpty>(info[0], 1, info.GetIsolate())));
+    }
     v8SetReturnValue(info, static_cast<double>(impl->uLongLongMethodTestInterfaceEmptyTypeSequenceArg(testInterfaceEmptyTypeSequenceArg)));
 }
 
 static void uLongLongMethodTestInterfaceEmptyTypeSequenceArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::uLongLongMethodTestInterfaceEmptyTypeSequenceArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
@@ skipping 23 matching lines @@
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void arrayOfStringsMethodArrayOfStringsArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwMinimumArityTypeErrorForMethod("arrayOfStringsMethodArrayOfStringsArg", "TestTypedefs", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestTypedefs* impl = V8TestTypedefs::toNative(info.Holder());
-    TONATIVE_VOID(Vector<String>, arrayOfStringsArg, toNativeArray<String>(info[0], 1, info.GetIsolate()));
+    Vector<String> arrayOfStringsArg;
+    {
+        v8::TryCatch block;
+        TONATIVE_VOID_INTERNAL(arrayOfStringsArg, toNativeArray<String>(info[0], 1, info.GetIsolate()));
+    }
     v8SetReturnValue(info, v8Array(impl->arrayOfStringsMethodArrayOfStringsArg(arrayOfStringsArg), info.GetIsolate()));
 }
 
 static void arrayOfStringsMethodArrayOfStringsArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::arrayOfStringsMethodArrayOfStringsArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void stringArrayMethodStringArrayArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwMinimumArityTypeErrorForMethod("stringArrayMethodStringArrayArg", "TestTypedefs", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestTypedefs* impl = V8TestTypedefs::toNative(info.Holder());
-    TONATIVE_VOID(Vector<String>, stringArrayArg, toNativeArray<String>(info[0], 1, info.GetIsolate()));
+    Vector<String> stringArrayArg;
+    {
+        v8::TryCatch block;
+        TONATIVE_VOID_INTERNAL(stringArrayArg, toNativeArray<String>(info[0], 1, info.GetIsolate()));
+    }
     v8SetReturnValue(info, v8Array(impl->stringArrayMethodStringArrayArg(stringArrayArg), info.GetIsolate()));
 }
 
 static void stringArrayMethodStringArrayArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestTypedefsV8Internal::stringArrayMethodStringArrayArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void constructor(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Isolate* isolate = info.GetIsolate();
     if (UNLIKELY(info.Length() < 1)) {
         throwMinimumArityTypeErrorForConstructor("TestTypedefs", 1, info.Length(), info.GetIsolate());
         return;
     }
-    TOSTRING_VOID(V8StringResource<>, stringArg, info[0]);
+    V8StringResource<> stringArg;
+    {
+        TOSTRING_VOID_INTERNAL(stringArg, info[0]);
+    }
     RefPtr<TestTypedefs> impl = TestTypedefs::create(stringArg);
 
     v8::Handle<v8::Object> wrapper = info.Holder();
     V8DOMWrapper::associateObjectWithWrapper<V8TestTypedefs>(impl.release(), &V8TestTypedefs::wrapperTypeInfo, wrapper, isolate, WrapperConfiguration::Independent);
     v8SetReturnValue(info, wrapper);
 }
 
 } // namespace TestTypedefsV8Internal
 
 static const V8DOMConfiguration::AttributeConfiguration V8TestTypedefsAttributes[] = {
@@ skipping 100 matching lines @@
     fromInternalPointer(object)->deref();
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestTypedefs* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore