binding: Retires ExceptionState::throwIfNeeded().

third_party/WebKit/Source/bindings/templates/interface.cpp

 {% extends 'interface_base.cpp' %}
 
 
 {##############################################################################}
 {% block indexed_property_getter %}
 {% if indexed_property_getter and not indexed_property_getter.is_custom %}
 {% set getter = indexed_property_getter %}
 static void indexedPropertyGetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
     {% if getter.is_raises_exception %}
     ExceptionState exceptionState(ExceptionState::IndexedGetterContext, "{{interface_name}}", info.Holder(), info.GetIsolate());
     {% endif %}
     {% set getter_name = getter.name or 'anonymousIndexedGetter' %}
     {% set getter_arguments = ['index'] %}
     {% if getter.is_call_with_script_state %}
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
     {% set getter_arguments = ['scriptState'] + getter_arguments %}
     {% endif %}
     {% if getter.is_raises_exception %}
     {% set getter_arguments = getter_arguments + ['exceptionState'] %}
     {% endif %}
     {{getter.cpp_type}} result = impl->{{getter_name}}({{getter_arguments | join(', ')}});
     {% if getter.is_raises_exception %}
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     {% endif %}
     if ({{getter.is_null_expression}})
         return;
     {{getter.v8_set_return_value}};
 }
 
 {% endif %}
 {% endblock %}
 
@@ skipping 25 matching lines @@
     {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
     {{v8_value_to_local_cpp_value(setter) | indent}}
     {% if setter.has_exception_state %}
     ExceptionState exceptionState(ExceptionState::IndexedSetterContext, "{{interface_name}}", info.Holder(), info.GetIsolate());
     {% endif %}
     {% if setter.has_type_checking_interface %}
     {# Type checking for interface types (if interface not implemented, throw
        TypeError), per http://www.w3.org/TR/WebIDL/#es-interface #}
     if (!propertyValue{% if setter.is_nullable %} && !isUndefinedOrNull(v8Value){% endif %}) {
         exceptionState.throwTypeError("The provided value is not of type '{{setter.idl_type}}'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     {% endif %}
     {% set setter_name = setter.name or 'anonymousIndexedSetter' %}
     {% set setter_arguments = ['index', 'propertyValue'] %}
     {% if setter.is_call_with_script_state %}
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
     {% set setter_arguments = ['scriptState'] + setter_arguments %}
     {% endif %}
     {% if setter.is_raises_exception %}
     {% set setter_arguments = setter_arguments + ['exceptionState'] %}
     {% endif %}
     bool result = impl->{{setter_name}}({{setter_arguments | join(', ')}});
     {% if setter.is_raises_exception %}
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     {% endif %}
     if (!result)
         return;
     v8SetReturnValue(info, v8Value);
 }
 
 {% endif %}
 {% endblock %}
 
@@ skipping 32 matching lines @@
     {% set deleter_arguments = ['index'] %}
     {% if deleter.is_call_with_script_state %}
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
     {% set deleter_arguments = ['scriptState'] + deleter_arguments %}
     {% endif %}
     {% if deleter.is_raises_exception %}
     {% set deleter_arguments = deleter_arguments + ['exceptionState'] %}
     {% endif %}
     DeleteResult result = impl->{{deleter_name}}({{deleter_arguments | join(', ')}});
     {% if deleter.is_raises_exception %}
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     {% endif %}
     if (result != DeleteUnknownProperty)
         return v8SetReturnValueBool(info, result == DeleteSuccess);
 }
 
 {% endif %}
 {% endblock %}
 
 
@@ skipping 33 matching lines @@
     {% if getter.is_call_with_script_state %}
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
     {% endif %}
     {% if getter.use_output_parameter_for_result %}
     {{getter.cpp_type}} result;
     {{getter.cpp_value}};
     {% else %}
     {{getter.cpp_type}} result = {{getter.cpp_value}};
     {% endif %}
     {% if getter.is_raises_exception %}
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     {% endif %}
     if ({{getter.is_null_expression}})
         return;
     {{getter.v8_set_return_value}};
 }
 
 {% endif %}
 {% endblock %}
 
@@ skipping 33 matching lines @@
     {# v8_value_to_local_cpp_value('DOMString', 'nameString', 'propertyName') #}
     V8StringResource<> propertyName(nameString);
     if (!propertyName.prepare())
         return;
     {{v8_value_to_local_cpp_value(setter) | indent}}
     {% if setter.has_type_checking_interface %}
     {# Type checking for interface types (if interface not implemented, throw
        TypeError), per http://www.w3.org/TR/WebIDL/#es-interface #}
     if (!propertyValue{% if setter.is_nullable %} && !isUndefinedOrNull(v8Value){% endif %}) {
         exceptionState.throwTypeError("The provided value is not of type '{{setter.idl_type}}'.");
-        exceptionState.throwIfNeeded();
         return;
     }
     {% endif %}
     {% if setter.is_call_with_script_state %}
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
     {% endif %}
     {% set setter_name = setter.name or 'anonymousNamedSetter' %}
     {% set setter_arguments = ['propertyName', 'propertyValue'] %}
     {% if setter.is_call_with_script_state %}
     {% set setter_arguments = ['scriptState'] + setter_arguments %}
     {% endif %}
     {% if setter.is_raises_exception %}
     {% set setter_arguments =  setter_arguments + ['exceptionState'] %}
     {% endif %}
     bool result = impl->{{setter_name}}({{setter_arguments | join(', ')}});
     {% if setter.is_raises_exception %}
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     {% endif %}
     if (!result)
         return;
     v8SetReturnValue(info, v8Value);
 }
 
 {% endif %}
 {% endblock %}
 
@@ skipping 32 matching lines @@
     {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
     AtomicString propertyName = toCoreAtomicString(name.As<v8::String>());
     v8::String::Utf8Value namedProperty(name);
     ExceptionState exceptionState(ExceptionState::GetterContext, *namedProperty, "{{interface_name}}", info.Holder(), info.GetIsolate());
     {% set getter_arguments = ['propertyName', 'exceptionState'] %}
     {% if getter.is_call_with_script_state %}
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
     {% set getter_arguments = ['scriptState'] + getter_arguments %}
     {% endif %}
     bool result = impl->namedPropertyQuery({{getter_arguments | join(', ')}});
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     if (!result)
         return;
     v8SetReturnValueInt(info, v8::None);
 }
 
 {% endif %}
 {% endblock %}
 
 
@@ skipping 34 matching lines @@
     {% set deleter_name = deleter.name or 'anonymousNamedDeleter' %}
     {% set deleter_arguments = ['propertyName'] %}
     {% if deleter.is_call_with_script_state %}
     {% set deleter_arguments = ['scriptState'] + deleter_arguments %}
     {% endif %}
     {% if deleter.is_raises_exception %}
     {% set deleter_arguments = deleter_arguments + ['exceptionState'] %}
     {% endif %}
     DeleteResult result = impl->{{deleter_name}}({{deleter_arguments | join(', ')}});
     {% if deleter.is_raises_exception %}
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     {% endif %}
     if (result != DeleteUnknownProperty)
         return v8SetReturnValueBool(info, result == DeleteSuccess);
 }
 
 {% endif %}
 {% endblock %}
 
 
@@ skipping 22 matching lines @@
 {##############################################################################}
 {% block named_property_enumerator %}
 {% if named_property_getter and named_property_getter.is_enumerable and
       not named_property_getter.is_custom_property_enumerator %}
 static void namedPropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
 {
     {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
     Vector<String> names;
     ExceptionState exceptionState(ExceptionState::EnumerationContext, "{{interface_name}}", info.Holder(), info.GetIsolate());
     impl->namedPropertyEnumerator(names, exceptionState);
-    if (exceptionState.throwIfNeeded())
+    if (exceptionState.hadException())
         return;
     v8::Local<v8::Array> v8names = v8::Array::New(info.GetIsolate(), names.size());
     for (size_t i = 0; i < names.size(); ++i) {
         if (!v8CallBoolean(v8names->CreateDataProperty(info.GetIsolate()->GetCurrentContext(), i, v8String(info.GetIsolate(), names[i]))))
             return;
     }
     v8SetReturnValue(info, v8names);
 }
 
 {% endif %}
@@ skipping 24 matching lines @@
 {
     if (!name->IsString())
         return;
     v8::Local<v8::Object> holder = {{v8_class}}::findInstanceInPrototypeChain(info.Holder(), info.GetIsolate());
     if (holder.IsEmpty())
         return;
     {{cpp_class}}* impl = {{v8_class}}::toImpl(holder);
     v8::String::Utf8Value attributeName(name);
     ExceptionState exceptionState(ExceptionState::SetterContext, *attributeName, "{{interface_name}}", info.Holder(), info.GetIsolate());
     if (!BindingSecurity::shouldAllowAccessTo(currentDOMWindow(info.GetIsolate()), impl, exceptionState)) {
-        exceptionState.throwIfNeeded();
         return;
     }
 
     {# The findInstanceInPrototypeChain() call above only returns a non-empty handle if info.Holder() is an Object. #}
     V8HiddenValue::setHiddenValue(ScriptState::current(info.GetIsolate()), v8::Local<v8::Object>::Cast(info.Holder()), name.As<v8::String>(), v8Value);
 }
 
 static void {{cpp_class}}OriginSafeMethodSetterCallback(v8::Local<v8::Name> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     {{cpp_class}}V8Internal::{{cpp_class}}OriginSafeMethodSetter(name, v8Value, info);
@@ skipping 63 matching lines @@
         }
         {% endfor %}
         break;
     {% endfor %}
     default:
         {# Invalid arity, throw error #}
         {# Report full list of valid arities if gaps and above minimum #}
         {% if constructor_overloads.valid_arities %}
         if (info.Length() >= {{constructor_overloads.length}}) {
             setArityTypeError(exceptionState, "{{constructor_overloads.valid_arities}}", info.Length());
-            exceptionState.throwIfNeeded();
             return;
         }
         {% endif %}
         {# Otherwise just report "not enough arguments" #}
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments({{constructor_overloads.length}}, info.Length()));
-        exceptionState.throwIfNeeded();
         return;
     }
     {# No match, throw error #}
     exceptionState.throwTypeError("No matching constructor signature.");
-    exceptionState.throwIfNeeded();
 }
 
 {% endif %}
 {% endblock %}
 
 {##############################################################################}
 {% block visit_dom_wrapper %}
 {% if set_wrapper_reference_from or set_wrapper_reference_to %}
 void {{v8_class}}::visitDOMWrapper(v8::Isolate* isolate, ScriptWrappable* scriptWrappable, const v8::Persistent<v8::Object>& wrapper)
 {
@@ skipping 374 matching lines @@
 
 {% for method in methods if method.overloads and method.overloads.has_partial_overloads %}
 void {{v8_class}}::register{{method.name | blink_capitalize}}MethodForPartialInterface(void (*method)(const v8::FunctionCallbackInfo<v8::Value>&))
 {
     {{cpp_class}}V8Internal::{{method.name}}MethodForPartialInterface = method;
 }
 
 {% endfor %}
 {% endif %}
 {% endblock %}