Auto-generate V8CSSStyleDeclaration::namedPropertyGetter

Source/bindings/scripts/CodeGeneratorV8.pm

 # Copyright (C) 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 # Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
 # Copyright (C) 2006 Apple Computer, Inc.
 # Copyright (C) 2007, 2008, 2009, 2012 Google Inc.
 # Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
 # Copyright (C) Research In Motion Limited 2010. All rights reserved.
 # Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 # Copyright (C) 2012 Ericsson AB. All rights reserved.
@@ skipping 4712 matching lines @@
         my $types = $type->unionMemberTypes;
         my @codes = ();
         for my $i (0 .. scalar(@$types)-1) {
             my $unionMemberType = $types->[$i];
             my $unionMemberNumber = $i + 1;
             my $unionMemberVariable = $nativeValue . $i;
             my $unionMemberEnabledVariable = $nativeValue . $i . "Enabled";
             my $unionMemberNativeValue = $unionMemberVariable;
             $unionMemberNativeValue .= ".release()" if (IsRefPtrType($unionMemberType));
             my $returnJSValueCode = NativeToJSValue($unionMemberType, $extendedAttributes, $unionMemberNativeValue, $indent . "    ", $receiver, $getCreationContext, $getIsolate, $getHolderContainer, $getScriptWrappable, $returnHandleType, $forMainWorldSuffix);
-            my $isNotNull = GenerateIsNullExpression($unionMemberType, $unionMemberVariable);
-            $isNotNull = " && !" . $isNotNull if $isNotNull;
             my $code = "";

[kojih, 2013/05/24 05:41:54]

isNotNull check must not exist, because there is a case element0Enabled and
element0.isNull().
CSSStyleDeclaration is one of example, element0 is DOMString and
[TreatReturnedNullStringAs=Null].

[haraken, 2013/05/24 06:03:05]

Makes sense.

-            $code .= "${indent}if (${unionMemberEnabledVariable}${isNotNull})\n";
+            $code .= "${indent}if (${unionMemberEnabledVariable})\n";
             $code .= "${returnJSValueCode}";
             push @codes, $code;
         }
         return join "\n", @codes;
     }
 
     return "$indent$receiver v8Boolean($nativeValue, $getIsolate);" if $type eq "boolean";
     return "$indent$receiver v8Undefined();" if $type eq "void";     # equivalent to v8Undefined()
 
     # HTML5 says that unsigned reflected attributes should be in the range
@@ skipping 641 matching lines @@
         if ($currentInterface->extendedAttributes->{$extendedAttribute}) {
             $found = 1;
         }
         return 1 if $found;
     }, 0);
 
     return $found;
 }
 
 1;