Switch over to use V8 code generator upstream....

webkit/port/bindings/scripts/CodeGeneratorV8.pm

Index: webkit/port/bindings/scripts/CodeGeneratorV8.pm
===================================================================
--- webkit/port/bindings/scripts/CodeGeneratorV8.pm	(revision 19361)
+++ webkit/port/bindings/scripts/CodeGeneratorV8.pm	(working copy)
@@ -1,2199 +0,0 @@
-
-# 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 Google Inc.
-#
-# This file is part of the KDE project
-#
-# This library is free software; you can redistribute it and/or
-# modify it under the terms of the GNU Library General Public
-# License as published by the Free Software Foundation; either
-# version 2 of the License, or (at your option) any later version.
-#
-# This library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Library General Public License for more details.
-#
-# You should have received a copy of the GNU Library General Public License
-# aint with this library; see the file COPYING.LIB.  If not, write to
-# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
-#
-
-package CodeGeneratorV8;
-
-use File::stat;
-
-my $module = "";
-my $outputDir = "";
-
-my @headerContent = ();
-my @implContentHeader = ();
-my @implFixedHeader = ();
-my @implContent = ();
-my @implContentDecls = ();
-my %implIncludes = ();
-
-my @allParents = ();
-
-# Default .h template
-my $headerTemplate = << "EOF";
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-    Boston, MA 02111-1307, USA.
-*/
-EOF
-
-# Default constructor
-sub new
-{
-    my $object = shift;
-    my $reference = { };
-
-    $codeGenerator = shift;
-    $outputDir = shift;
-
-    bless($reference, $object);
-    return $reference;
-}
-
-sub finish
-{
-    my $object = shift;
-
-    # Commit changes!
-    $object->WriteData();
-}
-
-sub leftShift($$) {
-    my ($value, $distance) = @_;
-    return (($value << $distance) & 0xFFFFFFFF);
-}
-
-# Uppercase the first letter, while respecting WebKit style guidelines. 
-# E.g., xmlEncoding becomes XMLEncoding, but xmlllang becomes Xmllang.
-sub WK_ucfirst
-{
-    my $param = shift;
-    my $ret = ucfirst($param);
-    $ret =~ s/Xml/XML/ if $ret =~ /^Xml[^a-z]/;
-    return $ret;
-}
-
-# Lowercase the first letter while respecting WebKit style guidelines. 
-# URL becomes url, but SetURL becomes setURL.
-sub WK_lcfirst
-{
-    my $param = shift;
-    my $ret = lcfirst($param);
-    $ret =~ s/uRL/url/;
-    return $ret;
-}
-
-# Params: 'domClass' struct
-sub GenerateInterface
-{
-    my $object = shift;
-    my $dataNode = shift;
-    my $defines = shift;
-
-    # Start actual generation
-    $object->GenerateHeader($dataNode);
-    $object->GenerateImplementation($dataNode);
-
-    my $name = $dataNode->name;
-
-    # Open files for writing
-    my $headerFileName = "$outputDir/V8$name.h";
-    my $implFileName = "$outputDir/V8$name.cpp";
-
-    open($IMPL, ">$implFileName") || die "Couldn't open file $implFileName";
-    open($HEADER, ">$headerFileName") || die "Couldn't open file $headerFileName";
-}
-
-# Params: 'idlDocument' struct
-sub GenerateModule
-{
-    my $object = shift;
-    my $dataNode = shift;
-
-    $module = $dataNode->module;
-}
-
-sub GetLegacyHeaderIncludes
-{
-    my $legacyParent = shift;
-
-    die "Don't know what headers to include for module $module";
-}
-
-sub AvoidInclusionOfType
-{
-    my $type = shift;
-
-    # Special case: SVGRect.h / SVGPoint.h / SVGNumber.h / SVGMatrix.h do not exist.
-    return 1 if $type eq "SVGRect" or $type eq "SVGPoint" or $type eq "SVGNumber" or $type eq "SVGMatrix";
-    return 0;
-}
-
-sub UsesManualToJSImplementation
-{
-    my $type = shift;
-
-    return 1 if $type eq "SVGPathSeg";
-    return 0;
-}
-
-sub AddIncludesForType
-{
-    my $type = $codeGenerator->StripModule(shift);
-
-    # When we're finished with the one-file-per-class
-    # reorganization, we won't need these special cases.
-    if ($codeGenerator->IsPrimitiveType($type) or AvoidInclusionOfType($type)
-# jhaas: there doesn't seem to be any harm in leaving these in
-#        or $type eq "DOMString" or $type eq "DOMObject" or $type eq "RGBColor" or $type eq "Rect") {
-      ) {
-    } elsif ($type =~ /SVGPathSeg/) {
-        $joinedName = $type;
-        $joinedName =~ s/Abs|Rel//;
-        $implIncludes{"${joinedName}.h"} = 1;
-    } else {
-        # default, include the same named file
-        $implIncludes{GetImplementationFileName(${type})} = 1;
-    }
-
-    # additional includes (things needed to compile the bindings but not the header)
-
-    if ($type eq "CanvasRenderingContext2D") {
-        $implIncludes{"CanvasGradient.h"} = 1;
-        $implIncludes{"CanvasPattern.h"} = 1;
-        $implIncludes{"CanvasStyle.h"} = 1;
-    }
-
-    if ($type eq "CanvasGradient" or $type eq "XPathNSResolver") {
-        $implIncludes{"PlatformString.h"} = 1;
-    }
-
-    if ($type eq "CSSStyleDeclaration") {
-        $implIncludes{"CSSMutableStyleDeclaration.h"} = 1;
-    }
-
-    if ($type eq "Plugin" or $type eq "PluginArray" or $type eq "MimeTypeArray") {
-        # So we can get String -> AtomicString conversion for namedItem().
-        $implIncludes{"AtomicString.h"} = 1;
-    }
-}
-
-sub AddIncludesForSVGAnimatedType
-{
-    my $type = shift;
-    $type =~ s/SVGAnimated//;
-
-    if ($type eq "Point" or $type eq "Rect") {
-        $implIncludes{"Float$type.h"} = 1;
-    } elsif ($type eq "String") {
-        $implIncludes{"PlatformString.h"} = 1;
-    }
-    
-    $implIncludes{"SVGAnimatedTemplate.h"} = 1;
-}
-
-sub AddClassForwardIfNeeded
-{
-    my $implClassName = shift;
-
-    # SVGAnimatedLength/Number/etc.. are typedefs to SVGAnimtatedTemplate, so don't use class forwards for them!
-    push(@headerContent, "class $implClassName;\n\n") unless $codeGenerator->IsSVGAnimatedType($implClassName);
-}
-
-sub GetImplementationFileName
-{
-    my $iface = shift;
-    return "HTMLCollection.h" if $iface eq "UndetectableHTMLCollection";
-    return "Event.h" if $iface eq "DOMTimeStamp";
-    return "NamedAttrMap.h" if $iface eq "NamedNodeMap";
-    return "NameNodeList.h" if $iface eq "NodeList";
-    return "XMLHttpRequest.h" if $iface eq "XMLHttpRequest";
-
-    return "${iface}.h";
-}
-
-sub GenerateHeader
-{
-    my $object = shift;
-    my $dataNode = shift;
-
-    my $interfaceName = $dataNode->name;
-    my $className = "V8$interfaceName";
-    my $implClassName = $interfaceName;
-
-    # Copy contents of parent classes except the first parent or if it is
-    # EventTarget.
-    $codeGenerator->AddMethodsConstantsAndAttributesFromParentClasses($dataNode);
-
-    my $hasLegacyParent = $dataNode->extendedAttributes->{"LegacyParent"};
-    my $conditional = $dataNode->extendedAttributes->{"Conditional"};
-
-    # - Add default header template
-    @headerContent = split("\r", $headerTemplate);
-
-    my $conditionalString;
-    if ($conditional) {
-        $conditionalString = "ENABLE(" . join(") && ENABLE(", split(/&/, $conditional)) . ")";
-        push(@headerContent, "\n#if ${conditionalString}\n\n");
-    }
-
-    push(@headerContent, "\n#ifndef $className" . "_H");
-    push(@headerContent, "\n#define $className" . "_H\n\n");
-
-    # Get correct pass/store types respecting PODType flag
-    my $podType = $dataNode->extendedAttributes->{"PODType"};
-    my $passType = $podType ? "JSSVGPODTypeWrapper<$podType>*" : "$implClassName*";
-
-    push(@headerContent, "#include \"$podType.h\"\n") if $podType and ($podType ne "double" and $podType ne "float" and $podType ne "RGBA32");
-
-    push(@headerContent, "#include <v8.h>\n");
-    push(@headerContent, "#include <wtf/HashMap.h>\n");
-    push(@headerContent, "#include \"StringHash.h\"\n");
-
-    push(@headerContent, "\nnamespace WebCore {\n\n");
-    push(@headerContent, "class V8ClassIndex;\n");
-    push(@headerContent, "\nclass $className {\n");
-    push(@headerContent, <<END);
-
- public:
-  static bool HasInstance(v8::Handle<v8::Value> value);
-  static v8::Persistent<v8::FunctionTemplate> GetRawTemplate();
-END
-
-    if ($implClassName eq "DOMWindow") {
-      push(@headerContent, <<END);
-  static v8::Persistent<v8::ObjectTemplate> GetShadowObjectTemplate();
-END
-    }
-
-    push(@headerContent, <<END);
-
- private:
-  static v8::Persistent<v8::FunctionTemplate> GetTemplate();
-  
-  friend class V8ClassIndex;
-};
-
-END
-
-    push(@headerContent, "}\n\n");
-    push(@headerContent, "#endif // $className" . "_H\n");
-
-    push(@headerContent, "#endif // ${conditionalString}\n\n") if $conditional;
-}
-
-
-sub GenerateSetDOMException
-{
-  my $indent = shift;
-  my $result = "";
-
-  $result .= $indent . "if (ec) {\n";
-  $result .= $indent . "    V8Proxy::SetDOMException(ec);\n";
-  $result .= $indent . "    return v8::Handle<v8::Value>();\n";
-  $result .= $indent . "}\n";
-
-  return $result;
-}
-
-sub IsNodeSubType
-{
-  my $dataNode = shift;
-  return 1 if ($dataNode->name eq "Node");
-  foreach (@allParents) {
-    my $parent = $codeGenerator->StripModule($_);
-    return 1 if $parent eq "Node";
-  }
-  return 0;
-}
-
-sub HolderToNative
-{
-  my $dataNode = shift;
-  my $implClassName = shift;
-  my $classIndex = shift;
-
-  if (IsNodeSubType($dataNode)) {
-    push(@implContentDecls, <<END);
-    $implClassName* imp = V8Proxy::DOMWrapperToNode<$implClassName>(holder);
-END
-
-  } else {
-    push(@implContentDecls, <<END);
-    $implClassName* imp = V8Proxy::ToNativeObject<$implClassName>(V8ClassIndex::$classIndex, holder);
-END
-
-  }
-}
-
-sub GenerateDomainSafeFunctionGetter
-{
-  my $function = shift;
-  my $dataNode = shift;
-  my $classIndex = shift;
-  my $implClassName = shift;
-
-  my $className = "V8" . $dataNode->name;
-  my $funcName = $function->signature->name;
-
-  my $signature = "v8::Signature::New(" . $className . "::GetRawTemplate())";
-  if ($function->signature->extendedAttributes->{"V8DoNotCheckSignature"}) {
-    $signature = "v8::Local<v8::Signature>()";
-  }
-
-  my $newTemplateString = GenerateNewFunctionTemplate($function, $dataNode, $signature);
-
-  $implIncludes{"v8_proxy.h"} = 1;
-
-  push(@implContentDecls, <<END);
-  static v8::Handle<v8::Value> ${funcName}AttrGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) {
-    INC_STATS(\"DOM.$implClassName.$funcName._get\");
-    static v8::Persistent<v8::FunctionTemplate> private_template =
-        v8::Persistent<v8::FunctionTemplate>::New($newTemplateString);
-    v8::Handle<v8::Object> holder = V8Proxy::LookupDOMWrapper(V8ClassIndex::$classIndex, info.This());
-    if (holder.IsEmpty()) {
-      // can only reach here by 'object.__proto__.func', and it should passed
-      // domain security check already
-
-      return private_template->GetFunction();
-    }
-END
-
-  HolderToNative($dataNode, $implClassName, $classIndex);
-
-  push(@implContentDecls, <<END);
-    if (!V8Proxy::CanAccessFrame(imp->frame(), false)) {
-      static v8::Persistent<v8::FunctionTemplate> shared_template =
-        v8::Persistent<v8::FunctionTemplate>::New($newTemplateString);
-      return shared_template->GetFunction();
-
-    } else {
-      return private_template->GetFunction();
-    }
-  }
-
-END
-}
-
-sub GenerateConstructorGetter
-{
-  my $implClassName = shift;
-  my $classIndex = shift;
-      
-  push(@implContentDecls, <<END);
-  static v8::Handle<v8::Value> ${implClassName}ConstructorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) {
-    INC_STATS(\"DOM.$implClassName.constructors._get\");
-    v8::Handle<v8::Value> data = info.Data();
-    ASSERT(data->IsNumber());
-    V8ClassIndex::V8WrapperType type = V8ClassIndex::FromInt(data->Int32Value());
-END
-
-  if ($classIndex eq "DOMWINDOW") {
-    push(@implContentDecls, <<END);
-    DOMWindow* window = V8Proxy::ToNativeObject<DOMWindow>(V8ClassIndex::DOMWINDOW, info.Holder());
-    Frame* frame = window->frame();
-    if (frame) {
-      // Get the proxy corresponding to the DOMWindow if possible to
-      // make sure that the constructor function is constructed in the
-      // context of the DOMWindow and not in the context of the caller.
-      return V8Proxy::retrieve(frame)->GetConstructor(type);
-    }
-END
-  }
-  
-  if ($classIndex eq "WORKERCONTEXT") {
-    $implIncludes{"WorkerContextExecutionProxy.h"} = 1;
-    push(@implContentDecls, <<END);
-    return WorkerContextExecutionProxy::retrieve()->GetConstructor(type);
-END
-  } else {
-    push(@implContentDecls, "    return v8::Undefined();");
-  }
-
-  push(@implContentDecls, <<END);
-
-  }
-
-END
-}
-
-sub GenerateNormalAttrGetter
-{
-  my $attribute = shift;
-  my $dataNode = shift;
-  my $classIndex = shift;
-  my $implClassName = shift;
-
-  my $attrExt = $attribute->signature->extendedAttributes;
-
-  my $attrName = $attribute->signature->name;
-  $implIncludes{"v8_proxy.h"} = 1;
-
-  my $attrType = $codeGenerator->StripModule($attribute->signature->type);
-  my $attrIsPodType = $codeGenerator->IsPodType($attrType);
-  my $nativeType = GetNativeTypeFromSignature($attribute->signature, 0);
-  my $isPodType = $codeGenerator->IsPodType($implClassName);
-  my $skipContext = 0;
-
-
-  if ($isPodType) {
-    $implClassName = GetNativeType($implClassName);
-    $implIncludes{"V8SVGPODTypeWrapper.h"} = 1;
-  }
-
-  # Special case: SVGZoomEvent's attributes are all read-only
-  if ($implClassName eq "SVGZoomEvent") {
-    $attrIsPodType = 0;
-    $skipContext = 1;
-  }
-  
-  # Special case: SVGSVGEelement::viewport is read-only
-  if (($implClassName eq "SVGSVGElement") and ($attrName eq "viewport")) {
-    $attrIsPodType = 0;
-    $skipContext = 1;
-  }
-
-  # Special case for SVGColor
-  if (($implClassName eq "SVGColor") and ($attrName eq "rgbColor")) {
-    $attrIsPodType = 0;
-  }
-  
-  my $getterStringUsesImp = $implClassName ne "double";
-
-  # Getter
-  push(@implContentDecls, <<END);
-  static v8::Handle<v8::Value> ${attrName}AttrGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) {
-    INC_STATS(\"DOM.$implClassName.$attrName._get\");
-END
-
-  if ($isPodType) {
-    push(@implContentDecls, <<END);
-    V8SVGPODTypeWrapper<$implClassName>* imp_wrapper = V8Proxy::ToNativeObject<V8SVGPODTypeWrapper<$implClassName> >(V8ClassIndex::$classIndex, info.Holder());
-    $implClassName imp_instance = *imp_wrapper;
-END
-    if ($getterStringUsesImp) {
-      push(@implContentDecls, <<END);
-    $implClassName* imp = &imp_instance;
-END
-    }
-
-  } elsif ($attrExt->{"v8OnProto"} || $attrExt->{"V8DisallowShadowing"}) {
-    # perform lookup first
-    push(@implContentDecls, <<END);
-    v8::Handle<v8::Object> holder = V8Proxy::LookupDOMWrapper(V8ClassIndex::$classIndex, info.This());
-    if (holder.IsEmpty()) return v8::Undefined();
-END
-    HolderToNative($dataNode, $implClassName, $classIndex);
-  } else {
-    push(@implContentDecls, <<END);
-    v8::Handle<v8::Object> holder = info.Holder();
-END
-    HolderToNative($dataNode, $implClassName, $classIndex);
-  }
-
-  # Generate security checks if necessary
-  if ($attribute->signature->extendedAttributes->{"CheckNodeSecurity"}) {
-    push(@implContentDecls, "    if (!V8Proxy::CheckNodeSecurity(imp->$attrName())) return v8::Undefined();\n\n"); 
-  } elsif ($attribute->signature->extendedAttributes->{"CheckFrameSecurity"}) {
-    push(@implContentDecls, "    if (!V8Proxy::CheckNodeSecurity(imp->contentDocument())) return v8::Undefined();\n\n");
-  }
-
-  my $useExceptions = 1 if @{$attribute->getterExceptions} and !($isPodType); 
-  if ($useExceptions) {
-    $implIncludes{"ExceptionCode.h"} = 1;
-    push(@implContentDecls, "    ExceptionCode ec = 0;\n");
-  }
-
-  if ($attribute->signature->extendedAttributes->{"v8referenceattr"}) {
-    $attrName = $attribute->signature->extendedAttributes->{"v8referenceattr"};
-  }
-
-  my $getterFunc = WK_lcfirst($attrName);
-  $getterFunc .= "Animated" if $codeGenerator->IsSVGAnimatedType($attribute->signature->type);
-
-  my $returnType = $codeGenerator->StripModule($attribute->signature->type);
-
-  my $getterString;
-  if ($getterStringUsesImp) {
-    $getterString = "imp->$getterFunc(";
-    $getterString .= "ec" if $useExceptions;
-    $getterString .= ")";
-    if (IsRefPtrType($returnType)) {
-      $implIncludes{"wtf/GetPtr.h"} = 1;
-      $getterString = "WTF::getPtr(" . $getterString . ")";
-    }
-    if ($nativeType eq "int" and
-        $attribute->signature->extendedAttributes->{"ConvertFromString"}) {
-      $getterString .= ".toInt()";
-    }
-  } else {
-    $getterString = "imp_instance";
-  }
-  if ($nativeType eq "String") {
-    $getterString = "ToString($getterString)";
-  }
-  
-  my $result;
-  my $wrapper;
-  
-  if ($attrIsPodType) {
-    $implIncludes{"V8SVGPODTypeWrapper.h"} = 1;
-
-    my $getter = $getterString;
-    $getter =~ s/imp->//;
-    $getter =~ s/\(\)//;
-    my $setter = "set" . WK_ucfirst($getter);
-
-    my $implClassIsAnimatedType = $codeGenerator->IsSVGAnimatedType($implClassName);
-    if (not $implClassIsAnimatedType
-        and $codeGenerator->IsPodTypeWithWriteableProperties($attrType)
-        and not defined $attribute->signature->extendedAttributes->{"Immutable"}) {
-      if ($codeGenerator->IsPodType($implClassName)) {
-        $wrapper = "new V8SVGStaticPODTypeWrapperWithPODTypeParent<$nativeType, $implClassName>($getterString, imp_wrapper)";
-      } else {
-        $wrapper = "new V8SVGStaticPODTypeWrapperWithParent<$nativeType, $implClassName>(imp, &${implClassName}::$getter, &${implClassName}::$setter)";
-      }
-    } else {
-      if ($implClassIsAnimatedType) {
-        $wrapper = "V8SVGDynamicPODTypeWrapperCache<$nativeType, $implClassName>::lookupOrCreateWrapper(imp, &${implClassName}::$getter, &${implClassName}::$setter)";
-      } else {
-        $wrapper = GenerateSVGStaticPodTypeWrapper($returnType, $getterString);
-      }
-    }
-
-    push(@implContentDecls, "    void* wrapper = $wrapper;\n");
-  } elsif ($nativeType ne "RGBColor") {
-    push(@implContentDecls, "    $nativeType v = ");
-    
-    push(@implContentDecls, "$getterString;\n");
-
-    if ($useExceptions) {
-      push(@implContentDecls, GenerateSetDOMException("    "));
-    }
-
-    $result = "v";
-    if (IsRefPtrType($returnType)) {
-      $result = "WTF::getPtr(" . $result . ")";
-    }
-  } else {
-    # Special case: RGBColor is noncopyable
-    $result = $getterString;
-  }
-  
-  
-  if (IsSVGTypeNeedingContextParameter($attrType) && !$skipContext) {
-    my $resultObject = $result;
-    if ($attrIsPodType) {
-      $resultObject = "wrapper";
-    }
-    
-    push(@implContentDecls, GenerateSVGContextAssignment($implClassName, $resultObject, "    "));
-  }
-
-  if ($attrIsPodType) {
-    my $classIndex = uc($attrType);
-    push(@implContentDecls, "    return V8Proxy::ToV8Object(V8ClassIndex::$classIndex, wrapper);\n");
-  } else {
-    push(@implContentDecls, "    return " . NativeToJSValue($attribute->signature, $result). ";\n");
-  }
-  
-  push(@implContentDecls, "  }\n\n");  # end of getter 
-}
-
-
-sub GenerateReplaceableAttrSetter
-{
-  my $implClassName = shift;
-
-  $implIncludes{"v8_proxy.h"} = 1;
-
-  push(@implContentDecls, 
-       "  static void ${attrName}AttrSetter(v8::Local<v8::String> name," . 
-       " v8::Local<v8::Value> value, const v8::AccessorInfo& info) {\n");
-
-  push(@implContentDecls, "    INC_STATS(\"DOM.$implClassName.$attrName._set\");\n");
-
-  push(@implContentDecls, "    v8::Local<v8::String> ${attrName}_string = v8::String::New(\"${attrName}\");\n");
-  push(@implContentDecls, "    info.Holder()->Delete(${attrName}_string);\n");
-  push(@implContentDecls, "    info.This()->Set(${attrName}_string, value);\n");
-  push(@implContentDecls, "  }\n\n");
-}
-
-
-sub GenerateNormalAttrSetter
-{
-  my $attribute = shift;
-  my $dataNode = shift;
-  my $classIndex = shift;
-  my $implClassName = shift;
-
-  my $attrExt = $attribute->signature->extendedAttributes;
-
-  $implIncludes{"v8_proxy.h"} = 1;
-
-  push(@implContentDecls, 
-       "  static void ${attrName}AttrSetter(v8::Local<v8::String> name," . 
-       " v8::Local<v8::Value> value, const v8::AccessorInfo& info) {\n");
-
-  push(@implContentDecls, "    INC_STATS(\"DOM.$implClassName.$attrName._set\");\n");
-
-  my $isPodType = $codeGenerator->IsPodType($implClassName);
-
-  if ($isPodType) {
-    $implClassName = GetNativeType($implClassName);
-    $implIncludes{"V8SVGPODTypeWrapper.h"} = 1;
-    push(@implContentDecls, "    V8SVGPODTypeWrapper<$implClassName>* wrapper = V8Proxy::ToNativeObject<V8SVGPODTypeWrapper<$implClassName> >(V8ClassIndex::$classIndex, info.Holder());\n");
-    push(@implContentDecls, "    $implClassName imp_instance = *wrapper;\n");
-    push(@implContentDecls, "    $implClassName* imp = &imp_instance;\n");
-
-  } elsif ($attrExt->{"v8OnProto"}) {
-    # perform lookup first
-    push(@implContentDecls, <<END);
-    v8::Handle<v8::Object> holder = V8Proxy::LookupDOMWrapper(V8ClassIndex::$classIndex, info.This());
-    if (holder.IsEmpty()) return v8::Undefined();
-END
-    HolderToNative($dataNode, $implClassName, $classIndex);
-  } else {
-    push(@implContentDecls, <<END);
-    v8::Handle<v8::Object> holder = info.Holder();
-END
-    HolderToNative($dataNode, $implClassName, $classIndex);
-  }
-
-  my $nativeType = GetNativeTypeFromSignature($attribute->signature, 0);
-  push(@implContentDecls, "    $nativeType v = " . JSValueToNative($attribute->signature, "value") . ";\n");
-
-  my $result = "";
-  if ($nativeType eq "int" and $attribute->signature->extendedAttributes->{"ConvertFromString"}) {
-    $result .= "WebCore::String::number(";
-  }
-  $result .= "v";
-  if ($nativeType eq "int" and $attribute->signature->extendedAttributes->{"ConvertFromString"}) {
-    $result .= ")";
-  }
-  my $returnType = $codeGenerator->StripModule($attribute->signature->type);
-  if (IsRefPtrType($returnType)) {
-    $result = "WTF::getPtr(" . $result . ")";
-  }
-  
-  my $useExceptions = 1 if @{$attribute->setterExceptions} and !($isPodType); 
-
-  if ($useExceptions) {
-    $implIncludes{"ExceptionCode.h"} = 1;
-    push(@implContentDecls, "    ExceptionCode ec = 0;\n");
-  } 
-  
-  if ($implClassName eq "double") {
-    push(@implContentDecls, "    *imp = $result;\n");
-  } else {
-    push(@implContentDecls, "    imp->set" . WK_ucfirst($attrName) . "(" . $result);
-    push(@implContentDecls, ", ec") if $useExceptions;
-    push(@implContentDecls, ");\n");
-  }
-
-  if ($useExceptions) {
-    push(@implContentDecls, "    V8Proxy::SetDOMException(ec);\n");
-  }
-  
-  if ($isPodType) {
-    push(@implContentDecls, "    wrapper->commitChange(*imp, V8Proxy::GetSVGContext(wrapper));\n");
-  } elsif (IsSVGTypeNeedingContextParameter($implClassName)) {
-    $implIncludes{"SVGElement.h"} = 1;
-    
-    my $currentObject = "imp";
-    if ($isPodType) {
-      $currentObject = "wrapper";
-    }
-
-    push(@implContentDecls, "    if (SVGElement* context = V8Proxy::GetSVGContext($currentObject)) {\n");
-    push(@implContentDecls, "        context->svgAttributeChanged(imp->associatedAttributeName());\n");
-    push(@implContentDecls, "    }\n");
-  }
-
-  push(@implContentDecls, "    return;\n");
-  push(@implContentDecls, "  }\n\n");  # end of setter
-}
-
-
-sub GenerateNewFunctionTemplate
-{
-  $function = shift;
-  $dataNode = shift;
-  $signature = shift;
-
-  my $interfaceName = $dataNode->name;
-  my $name = $function->signature->name;
-
-  if ($function->signature->extendedAttributes->{"Custom"} ||
-      $function->signature->extendedAttributes->{"V8Custom"}) {
-    if ($function->signature->extendedAttributes->{"Custom"} &&
-        $function->signature->extendedAttributes->{"V8Custom"}) {
-      die "Custom and V8Custom should be mutually exclusive!"
-    }
-    my $customFunc = $function->signature->extendedAttributes->{"Custom"} ||
-                     $function->signature->extendedAttributes->{"V8Custom"};
-    if ($customFunc eq 1) {
-      $customFunc = $interfaceName . WK_ucfirst($name);
-    }
-    return "v8::FunctionTemplate::New(V8Custom::v8${customFunc}Callback, v8::Handle<v8::Value>(), $signature)";
-  } else {
-    return "v8::FunctionTemplate::New(${interfaceName}Internal::${name}Callback, v8::Handle<v8::Value>(), $signature)";
-  }
-}
-
-
-sub GenerateFunctionCallback 
-{
-  my $function = shift;
-  my $dataNode = shift;
-  my $classIndex = shift;
-  my $implClassName = shift;
-
-  my $interfaceName = $dataNode->name;
-  my $name = $function->signature->name;
-
-  push(@implContentDecls,
-"  static v8::Handle<v8::Value> ${name}Callback(const v8::Arguments& args) {\n" .
-"    INC_STATS(\"DOM.$implClassName.$name\");\n");
-
-  my $numParameters = @{$function->parameters};
-
-  if ($function->signature->extendedAttributes->{"RequiresAllArguments"}) {
-    push(@implContentDecls,
-         "    if (args.Length() < $numParameters) return v8::Undefined();\n");
-  }
-
-  if ($codeGenerator->IsPodType($implClassName)) {
-    my $nativeClassName = GetNativeType($implClassName);
-    push(@implContentDecls, "    V8SVGPODTypeWrapper<$nativeClassName>* imp_wrapper = V8Proxy::ToNativeObject<V8SVGPODTypeWrapper<$nativeClassName> >(V8ClassIndex::$classIndex, args.Holder());\n");
-    push(@implContentDecls, "    $nativeClassName imp_instance = *imp_wrapper;\n");
-    push(@implContentDecls, "    $nativeClassName* imp = &imp_instance;\n");
-  } else {
-    push(@implContentDecls, <<END);
-    v8::Handle<v8::Value> holder = args.Holder();
-END
-    HolderToNative($dataNode, $implClassName, $classIndex);
-  }
-
-  # Check domain security if needed
-  if (($dataNode->extendedAttributes->{"CheckDomainSecurity"} 
-       || $interfaceName eq "DOMWindow")
-    && !$function->signature->extendedAttributes->{"DoNotCheckDomainSecurity"}) {
-    # We have not find real use cases yet.
-    push(@implContentDecls,
-"    if (!V8Proxy::CanAccessFrame(imp->frame(), true)) {\n".
-"      return v8::Undefined();\n" .
-"    }\n"); 
-  }
-
-
-  if (@{$function->raisesExceptions}) {
-    $implIncludes{"ExceptionCode.h"} = 1;
-    push(@implContentDecls, "    ExceptionCode ec = 0;\n");
-  }
-
-  if ($function->signature->extendedAttributes->{"CustomArgumentHandling"}) {
-    push(@implContentDecls, "    ScriptCallStack callStack(args, $numParameters);\n");
-    $implIncludes{"ScriptCallStack.h"} = 1;
-  }
-  
-  my $paramIndex = 0;
-  foreach my $parameter (@{$function->parameters}) {
-    TranslateParameter($parameter);
-
-    my $parameterName = $parameter->name;
-
-    if ($parameter->extendedAttributes->{"Optional"}) {
-      # Generate early call if there are not enough parameters.
-      push(@implContentDecls, "    if (args.Length() <= $paramIndex) {\n");
-      my $functionCall = GenerateFunctionCallString($function, $paramIndex, "    " x 2, $implClassName);
-      push(@implContentDecls, $functionCall);
-      push(@implContentDecls, "    }\n");
-    }
-
-    if (BasicTypeCanFailConversion($parameter)) {
-      push(@implContentDecls, "    bool ${parameterName}Ok;\n"); 
-    }
-
-    push(@implContentDecls, "    " . GetNativeTypeFromSignature($parameter, 1) . " $parameterName = ");
-    push(@implContentDecls, JSValueToNative($parameter, "args[$paramIndex]", 
-           BasicTypeCanFailConversion($parameter) ?  "${parameterName}Ok" : undef) . ";\n");
-
-    if (TypeCanFailConversion($parameter)) {
-      $implIncludes{"ExceptionCode.h"} = 1;
-      push(@implContentDecls,
-"    if (!$parameterName" . (BasicTypeCanFailConversion($parameter) ? "Ok" : "") . ") {\n" .
-"      V8Proxy::SetDOMException(TYPE_MISMATCH_ERR);\n" .
-"      return v8::Handle<v8::Value>();\n" .
-"    }\n");
-    }
-
-    if ($parameter->extendedAttributes->{"IsIndex"}) {
-      $implIncludes{"ExceptionCode.h"} = 1;
-      push(@implContentDecls,
-"    if ($parameterName < 0) {\n" .
-"      V8Proxy::SetDOMException(INDEX_SIZE_ERR);\n" .
-"      return v8::Handle<v8::Value>();\n" .
-"    }\n");
-    }
-        
-    $paramIndex++;
-  }
-  
-  # Build the function call string.
-  my $callString = GenerateFunctionCallString($function, $paramIndex, "    ", $implClassName);
-  push(@implContentDecls, "$callString");
-  push(@implContentDecls, "  }\n\n");
-}
-
-
-sub GenerateBatchedAttributeData
-{
-  my $interfaceName = shift;
-  my $attributes = shift;
-
-  foreach my $attribute (@$attributes) {
-    my $attrName = $attribute->signature->name;
-    my $attrExt = $attribute->signature->extendedAttributes;
-
-    my $accessControl = "v8::DEFAULT";
-    if ($attrExt->{"DoNotCheckDomainSecurityOnGet"}) {
-      $accessControl = "v8::ALL_CAN_READ";
-    } elsif ($attrExt->{"DoNotCheckDomainSecurityOnSet"}) {
-      $accessControl = "v8::ALL_CAN_WRITE";
-    } elsif ($attrExt->{"DoNotCheckDomainSecurity"}) {
-      $accessControl = "v8::ALL_CAN_READ";
-       if (!($attribute->type =~ /^readonly/) && !($attrExt->{"V8ReadOnly"})) {
-         $accessControl .= "|v8::ALL_CAN_WRITE";
-       }
-    }
-    if ($attrExt->{"V8DisallowShadowing"}) {
-      $accessControl .= "|v8::PROHIBITS_OVERWRITING";
-    }
-    $accessControl = "static_cast<v8::AccessControl>(" . $accessControl . ")";
-
-
-    my $customAccessor = 
-      $attrExt->{"Custom"} || 
-      $attrExt->{"CustomSetter"} || 
-      $attrExt->{"CustomGetter"} || 
-      $attrExt->{"V8Custom"} || 
-      $attrExt->{"V8CustomSetter"} || 
-      $attrExt->{"V8CustomGetter"} || 
-      "";
-    if ($customAccessor eq 1) {
-      # use the naming convension, interface + (capitalize) attr name
-      $customAccessor = $interfaceName . WK_ucfirst($attrName);
-    }
-  
-    my $getter;
-    my $setter;
-    my $propAttr = "v8::None";
-    my $hasCustomSetter = 0;
-
-    # Check attributes.
-    if ($attrExt->{"DontEnum"}) {
-      $propAttr .= "|v8::DontEnum";
-    }
-    if ($attrExt->{"V8DisallowShadowing"}) {
-      $propAttr .= "|v8::DontDelete";
-    }
-
-    my $on_proto = "0 /* on instance */";
-    my $data = "V8ClassIndex::INVALID_CLASS_INDEX /* no data */";
-
-    # Constructor
-    if ($attribute->signature->type =~ /Constructor$/) {
-      my $constructorType = $codeGenerator->StripModule($attribute->signature->type);
-      $constructorType =~ s/Constructor$//;
-      my $constructorIndex = uc($constructorType);
-      $data = "V8ClassIndex::${constructorIndex}";
-      $getter = "${interfaceName}Internal::${interfaceName}ConstructorGetter";
-      $setter = "0";
-      $propAttr = "v8::ReadOnly";
-
-    # EventListeners
-    } elsif ($attribute->signature->type eq "EventListener") {
-      if ($interfaceName eq "DOMWindow") {
-        $getter = "V8Custom::v8DOMWindowEventHandlerAccessorGetter";
-        $setter = "V8Custom::v8DOMWindowEventHandlerAccessorSetter";
-      } elsif ($interfaceName eq "Element" || $interfaceName eq "Document" || $interfaceName eq "HTMLBodyElement" || $interfaceName eq "SVGElementInstance" || $interfaceName eq "HTMLFrameSetElement") {
-        $getter = "V8Custom::v8ElementEventHandlerAccessorGetter";
-        $setter = "V8Custom::v8ElementEventHandlerAccessorSetter";
-      } else {
-        $getter = "V8Custom::v8${customAccessor}AccessorGetter";
-        if ($interfaceName eq "WorkerContext" and $attrName eq "self") {
-          $setter = "0";
-          $propAttr = "v8::ReadOnly";
-        } else {
-          $setter = "V8Custom::v8${customAccessor}AccessorSetter";
-        }
-      }
-
-    # Custom Getter and Setter
-    } elsif ($attrExt->{"Custom"} || $attrExt->{"V8Custom"}) {
-      $getter = "V8Custom::v8${customAccessor}AccessorGetter";
-      if ($interfaceName eq "WorkerContext" and $attrName eq "self") {
-        $setter = "0";
-        $propAttr = "v8::ReadOnly";
-      } else {
-        $hasCustomSetter = 1;
-        $setter = "V8Custom::v8${customAccessor}AccessorSetter";
-      }
-      
-    # Custom Setter
-    } elsif ($attrExt->{"CustomSetter"} || $attrExt->{"V8CustomSetter"}) {
-      $hasCustomSetter = 1;
-      $getter = "${interfaceName}Internal::${attrName}AttrGetter";
-      $setter = "V8Custom::v8${customAccessor}AccessorSetter";
-
-    # Custom Getter
-    } elsif ($attrExt->{"CustomGetter"}) {
-      $getter = "V8Custom::v8${customAccessor}AccessorGetter";
-      $setter = "${interfaceName}Internal::${attrName}AttrSetter";
-              
-    # Replaceable
-    } elsif ($attrExt->{"Replaceable"}) {
-      # Replaceable accessor is put on instance template with ReadOnly attribute.
-      $getter = "${interfaceName}Internal::${attrName}AttrGetter";
-      $setter = "0";
-
-      # Mark to avoid duplicate v8::ReadOnly flags in output.
-      $hasCustomSetter = 1;
-
-      # Handle the special case of window.top being marked upstream as Replaceable.
-      # TODO(dglazkov): Investigate why [Replaceable] is not marked as ReadOnly
-      # upstream and reach parity.
-      if (!($interfaceName eq "DOMWindow" and $attrName eq "top")) {
-        $propAttr .= "|v8::ReadOnly";
-      }
-
-    # Normal
-    } else {
-      $getter = "${interfaceName}Internal::${attrName}AttrGetter";
-      $setter = "${interfaceName}Internal::${attrName}AttrSetter";
-    }
-
-    if ($attrExt->{"Replaceable"} && !$hasCustomSetter) {
-      $setter = "0";
-      $propAttr .= "|v8::ReadOnly";
-    }
-
-    # Read only attributes
-    if ($attribute->type =~ /^readonly/ || $attrExt->{"V8ReadOnly"}) {
-      $setter = "0";
-    }
-
-    # An accessor can be installed on the proto
-    if ($attrExt->{"v8OnProto"}) {
-      $on_proto = "1 /* on proto */";
-    }
-
-    my $commentInfo = "Attribute '$attrName' (Type: '" . $attribute->type .
-                      "' ExtAttr: '" . join(' ', keys(%{$attrExt})) . "')";
-    push(@implContent, <<END);
-  // $commentInfo
-  { "$attrName",
-    $getter,
-    $setter,
-    $data,
-    $accessControl,
-    static_cast<v8::PropertyAttribute>($propAttr),
-    $on_proto },
-END
-    }
-}
-
-
-sub GenerateImplementation
-{
-    my $object = shift;
-    my $dataNode = shift;
-    my $interfaceName = $dataNode->name;
-    my $className = "V8$interfaceName";
-    my $implClassName = $interfaceName;
-    my $classIndex = uc($codeGenerator->StripModule($interfaceName));
-
-    my $hasLegacyParent = $dataNode->extendedAttributes->{"LegacyParent"};
-    my $conditional = $dataNode->extendedAttributes->{"Conditional"};
-
-    @allParents = $codeGenerator->FindParentsRecursively($dataNode);
-
-    # - Add default header template
-    @implContentHeader = split("\r", $headerTemplate);
-
-    push(@implFixedHeader,
-         "#include \"config.h\"\n" .
-         "#include \"v8_proxy.h\"\n" .
-         "#include \"v8_binding.h\"\n\n" .
-         "#undef LOG\n\n");
- 
-    my $conditionalString;
-    if ($conditional) {
-        $conditionalString = "ENABLE(" . join(") && ENABLE(", split(/&/, $conditional)) . ")";
-        push(@implFixedHeader, "\n#if ${conditionalString}\n\n");
-    }
-    
-    if ($className =~ /^V8SVGAnimated/) {
-        AddIncludesForSVGAnimatedType($interfaceName);
-    }
-
-    $implIncludes{"${className}.h"} = 1;
-
-    AddIncludesForType($interfaceName);
-    $implIncludes{"v8_proxy.h"} = 1;
-    
-    push(@implContentDecls, "namespace WebCore {\n");
-    push(@implContentDecls, "namespace ${interfaceName}Internal {\n\n");
-    push(@implContentDecls, "template <typename T> void V8_USE(T) { }\n\n");
-
-    my $hasConstructors = 0;
-
-    # Generate property accessors for attributes.
-    for ($index = 0; $index < @{$dataNode->attributes}; $index++) {
-      $attribute = @{$dataNode->attributes}[$index];
-      $attrName = $attribute->signature->name;
-      $attrType = $attribute->signature->type;
-
-      # Generate special code for the constructor attributes.
-      if ($attrType =~ /Constructor$/) {
-        $hasConstructors = 1;
-        next;
-      }
-
-      # Make EventListeners always custom.
-      # TODO(mbelshe): make the perl code capable of generating the 
-      #   event setters/getters.  For now, WebKit has started removing the
-      #   [Custom] attribute, so just automatically insert it to avoid forking
-      #   other files.  This should be okay because we can't generate stubs
-      #   for any event getter/setters anyway.
-      if ($attrType eq "EventListener") {
-        $attribute->signature->extendedAttributes->{"Custom"} = 1;
-        $implIncludes{"V8CustomBinding.h"} = 1;
-        next;
-      }
-      
-      # Do not generate accessor if this is a custom attribute.  The
-      # call will be forwarded to a hand-written accessor
-      # implementation.
-      if ($attribute->signature->extendedAttributes->{"Custom"} ||
-          $attribute->signature->extendedAttributes->{"V8Custom"}) {
-        $implIncludes{"V8CustomBinding.h"} = 1;
-        next;
-      }
-
-      # Generate the accessor.
-      if ($attribute->signature->extendedAttributes->{"CustomGetter"}) {
-        $implIncludes{"V8CustomBinding.h"} = 1;
-      } else {
-	    GenerateNormalAttrGetter($attribute, $dataNode, $classIndex, $implClassName);
-      }
-      if ($attribute->signature->extendedAttributes->{"CustomSetter"} ||
-          $attribute->signature->extendedAttributes->{"V8CustomSetter"}) {
-        $implIncludes{"V8CustomBinding.h"} = 1;
-      } elsif ($attribute->signature->extendedAttributes->{"Replaceable"}) {
-        $dataNode->extendedAttributes->{"ExtendsDOMGlobalObject"} || die "Replaceable attribute can only be used in interface that defines ExtendsDOMGlobalObject attribute!";
-#        GenerateReplaceableAttrSetter($implClassName);
-      } elsif ($attribute->type !~ /^readonly/ && 
-               !$attribute->signature->extendedAttributes->{"V8ReadOnly"}) {
-        GenerateNormalAttrSetter($attribute, $dataNode, $classIndex, $implClassName);
-      }
-    }
-
-    if ($hasConstructors) {
-      GenerateConstructorGetter($implClassName, $classIndex);
-    }
-
-    # Generate methods for functions.
-    foreach my $function (@{$dataNode->functions}) {
-      # hack for addEventListener/RemoveEventListener
-      # TODO(fqian): avoid naming conflict
-      if ($function->signature->extendedAttributes->{"Custom"} ||
-          $function->signature->extendedAttributes->{"V8Custom"}) {
-        $implIncludes{"V8CustomBinding.h"} = 1;
-
-      } else {
-        GenerateFunctionCallback($function, $dataNode, $classIndex, $implClassName);
-      }
-
-
-      # If the function does not need domain security check, we need to
-      # generate an access getter that returns different function objects
-      # for different calling context.
-      if (($dataNode->extendedAttributes->{"CheckDomainSecurity"} 
-          || ($interfaceName eq "DOMWindow"))
-        && $function->signature->extendedAttributes->{"DoNotCheckDomainSecurity"}){
-        GenerateDomainSafeFunctionGetter($function, $dataNode, $classIndex, $implClassName);
-      }
-    }
-
-    # Attributes
-    my $attributes = $dataNode->attributes;
-
-    # For the DOMWindow interface we partition the attributes into the
-    # ones that disallows shadowing and the rest.
-    my @disallows_shadowing;
-    my @normal;
-    if ($interfaceName eq "DOMWindow") {
-      foreach my $attribute (@$attributes) {
-        if ($attribute->signature->extendedAttributes->{"V8DisallowShadowing"}) {
-          push(@disallows_shadowing, $attribute);
-        } else {
-          push(@normal, $attribute);
-        }
-      }
-      # Put the attributes that disallow shadowing on the shadow object.
-      $attributes = \@normal;
-      push(@implContent, "static const BatchedAttribute shadow_attrs[] = {\n");
-      GenerateBatchedAttributeData($interfaceName, \@disallows_shadowing);
-      push(@implContent, "};\n");
-
-    }
-
-    my $has_attributes = 0;
-    if (@$attributes) {
-      $has_attributes = 1;
-      push(@implContent, "static const BatchedAttribute attrs[] = {\n");
-      GenerateBatchedAttributeData($interfaceName, $attributes);
-      push(@implContent, "};\n");
-    }
-
-    # Setup constants
-    my $has_constants = 0;
-    if (@{$dataNode->constants}) {
-      $has_constants = 1;
-      push(@implContent, "static const BatchedConstant consts[] = {\n");
-    }
-    foreach my $constant (@{$dataNode->constants}) {
-      my $name = $constant->name;
-      my $value = $constant->value;
-      # TODO we need the static_cast here only because of one constant, NodeFilter.idl
-      # defines "const unsigned long SHOW_ALL = 0xFFFFFFFF".  It would be better if we
-      # handled this here, and converted it to a -1 constant in the c++ output.
-      push(@implContent, <<END);
-  { "${name}", static_cast<signed int>($value) },
-END
-    }
-    if ($has_constants) {
-      push(@implContent, "};\n");
-    }
-
-    push(@implContentDecls, "} // namespace ${interfaceName}Internal\n\n");
-
-    my $access_check = "/* no access check */";
-    if ($dataNode->extendedAttributes->{"CheckDomainSecurity"} &&
-        !($interfaceName eq "DOMWindow")) {
-      $access_check = "instance->SetAccessCheckCallbacks(V8Custom::v8${interfaceName}NamedSecurityCheck, V8Custom::v8${interfaceName}IndexedSecurityCheck, v8::Integer::New(V8ClassIndex::ToInt(V8ClassIndex::${classIndex})));";
-    }
-
-    # For the DOMWindow interface, generate the shadow object template
-    # configuration method.
-    if ($implClassName eq "DOMWindow") {
-      push(@implContent, <<END);
-static v8::Persistent<v8::ObjectTemplate> ConfigureShadowObjectTemplate(v8::Persistent<v8::ObjectTemplate> templ) {
-  BatchConfigureAttributes(templ,
-                           v8::Handle<v8::ObjectTemplate>(),
-                           shadow_attrs,
-                           sizeof(shadow_attrs)/sizeof(*shadow_attrs));
-  return templ;
-}
-END
-    }
-
-    # Generate the template configuration method
-    push(@implContent,  <<END);
-static v8::Persistent<v8::FunctionTemplate> Configure${className}Template(v8::Persistent<v8::FunctionTemplate> desc) {
-  v8::Local<v8::ObjectTemplate> instance = desc->InstanceTemplate();
-  instance->SetInternalFieldCount(2);
-  v8::Local<v8::Signature> default_signature = v8::Signature::New(desc);
-  v8::Local<v8::ObjectTemplate> proto = desc->PrototypeTemplate();
-  $access_check
-END
-
-
-    # Set up our attributes if we have them
-    if ($has_attributes) {
-      push(@implContent, <<END);
-  BatchConfigureAttributes(instance, proto, attrs, sizeof(attrs)/sizeof(*attrs));
-END
-    }
-
-    # Define our functions with Set() or SetAccessor()
-    foreach my $function (@{$dataNode->functions}) {
-      my $attrExt = $function->signature->extendedAttributes;
-      my $name = $function->signature->name;
-
-      my $property_attributes = "v8::DontDelete";
-      if ($attrExt->{"DontEnum"}) {
-        $property_attributes .= "|v8::DontEnum";
-      }
-      if ($attrExt->{"V8ReadOnly"}) {
-        $property_attributes .= "|v8::ReadOnly";
-      }
-
-      my $commentInfo = "Function '$name' (ExtAttr: '" . join(' ', keys(%{$attrExt})) . "')";
- 
-      my $template = "proto";
-      if ($attrExt->{"V8OnInstance"}) {
-        $template = "instance";
-      }
-
-      if ($attrExt->{"DoNotCheckDomainSecurity"} &&
-          ($dataNode->extendedAttributes->{"CheckDomainSecurity"} || $interfaceName eq "DOMWindow")) {
-        # Mark the accessor as ReadOnly and set it on the proto object so
-        # it can be shadowed. This is really a hack to make it work.
-        # There are several sceneria to call into the accessor:
-        #   1) from the same domain: "window.open":
-        #      the accessor finds the DOM wrapper in the proto chain;
-        #   2) from the same domain: "window.__proto__.open":
-        #      the accessor will NOT find a DOM wrapper in the prototype chain
-        #   3) from another domain: "window.open":
-        #      the access find the DOM wrapper in the prototype chain
-        #   "window.__proto__.open" from another domain will fail when
-        #   accessing '__proto__'
-        #
-        # The solution is very hacky and fragile, it really needs to be replaced
-        # by a better solution.
-        $property_attributes .= "|v8::ReadOnly";
-        push(@implContent, <<END);
-
-  // $commentInfo
-  $template->SetAccessor(
-      v8::String::New("$name"),
-      ${interfaceName}Internal::${name}AttrGetter,
-      0,
-      v8::Handle<v8::Value>(),
-      v8::ALL_CAN_READ,
-      static_cast<v8::PropertyAttribute>($property_attributes));
-END
-        next;
-      }
-
-      my $signature = "default_signature";
-      if ($attrExt->{"V8DoNotCheckSignature"}){
-        $signature = "v8::Local<v8::Signature>()";
-      }
-
-      if (RequiresCustomSignature($function)) {
-        $signature = "${name}_signature";
-        push(@implContent, "\n  // Custom Signature '$name'\n", CreateCustomSignature($function));
-      }
-
-      # Normal function call is a template
-      my $templateFunction = GenerateNewFunctionTemplate($function, $dataNode, $signature);
-
-
-      push(@implContent, <<END);
-
-  // $commentInfo
-  ${template}->Set(
-      v8::String::New("$name"),
-      $templateFunction,
-      static_cast<v8::PropertyAttribute>($property_attributes));
-END
-    }
-
-    # set the super descriptor
-    foreach (@{$dataNode->parents}) {
-      my $parent = $codeGenerator->StripModule($_);
-      if ($parent eq "EventTarget") { next; }
-      $implIncludes{"V8${parent}.h"} = 1;
-      my $parentClassIndex = uc($codeGenerator->StripModule($parent));
-      push(@implContent, "  desc->Inherit(V8Proxy::GetTemplate(V8ClassIndex::${parentClassIndex}));\n");
-      last;
-    }
-
-    # Set the class name.  This is used when printing objects.
-    push(@implContent, "  desc->SetClassName(v8::String::New(\"" . GetClassName(${interfaceName}) . "\"));\n");
-
-    if ($has_constants) {
-      push(@implContent, <<END);
-  BatchConfigureConstants(desc, proto, consts, sizeof(consts)/sizeof(*consts));
-END
-    }
-
-    push(@implContent, <<END);
-  return desc;
-}
-
-v8::Persistent<v8::FunctionTemplate> ${className}::GetRawTemplate() {
-  static v8::Persistent<v8::FunctionTemplate> ${className}_raw_cache_;
-  if (${className}_raw_cache_.IsEmpty()) {
-    v8::HandleScope scope;
-    v8::Local<v8::FunctionTemplate> result = v8::FunctionTemplate::New(V8Proxy::CheckNewLegal);
-    ${className}_raw_cache_ = v8::Persistent<v8::FunctionTemplate>::New(result);
-  }
-  return ${className}_raw_cache_;
-}
-
-v8::Persistent<v8::FunctionTemplate> ${className}::GetTemplate() {
-  static v8::Persistent<v8::FunctionTemplate> ${className}_cache_;
-  if (${className}_cache_.IsEmpty())
-    ${className}_cache_ = Configure${className}Template(GetRawTemplate());
-  return ${className}_cache_;
-}
-
-bool ${className}::HasInstance(v8::Handle<v8::Value> value) {
-  return GetRawTemplate()->HasInstance(value);
-}
-
-END
-
-    if ($implClassName eq "DOMWindow") {
-      push(@implContent, <<END);
-v8::Persistent<v8::ObjectTemplate> V8DOMWindow::GetShadowObjectTemplate() {
-  static v8::Persistent<v8::ObjectTemplate> V8DOMWindowShadowObject_cache_;
-  if (V8DOMWindowShadowObject_cache_.IsEmpty()) {
-    V8DOMWindowShadowObject_cache_ = v8::Persistent<v8::ObjectTemplate>::New(v8::ObjectTemplate::New());
-    ConfigureShadowObjectTemplate(V8DOMWindowShadowObject_cache_);
-  }
-  return V8DOMWindowShadowObject_cache_;
-}
-END
-    }
-
-    push(@implContent, <<END);
-} // namespace WebCore 
-END
-
-    push(@implContent, "\n#endif // ${conditionalString}\n") if $conditional;
-}
-
-
-sub GenerateFunctionCallString()
-{
-  my $function = shift;
-  my $numberOfParameters = shift;
-  my $indent = shift;
-  my $implClassName = shift;
-
-  my $name = $function->signature->name;
-  my $isPodType = $codeGenerator->IsPodType($implClassName);
-  my $returnType = $codeGenerator->StripModule($function->signature->type);
-  my $returnsPodType = $codeGenerator->IsPodType($returnType);
-  my $nativeReturnType = GetNativeType($returnType, 0);
-  my $result = "";
-
-  # Special case: SVG matrix transform methods should not mutate
-  # the matrix but return a copy
-  my $copyFirst = 0;
-  if ($implClassName eq "SVGMatrix" && $function->signature->type eq "SVGMatrix") {
-    $copyFirst = 1;
-  }
-
-  if ($function->signature->extendedAttributes->{"v8implname"}) {
-    $name = $function->signature->extendedAttributes->{"v8implname"};
-  }
-  
-  if ($function->signature->extendedAttributes->{"ImplementationFunction"}) {
-    $name = $function->signature->extendedAttributes->{"ImplementationFunction"};
-  }
-
-  my $functionString = "imp->${name}(";
-  
-  if ($copyFirst) {
-    $functionString = "result.${name}(";
-  }
-  
-  my $returnsListItemPodType = 0;
-  # SVG lists functions that return POD types require special handling
-  if (IsSVGListTypeNeedingSpecialHandling($implClassName) && IsSVGListMethod($name) && $returnsPodType) {
-    $returnsListItemPodType = 1;
-    $result .= $indent . "SVGList<RefPtr<SVGPODListItem<$nativeReturnType> > >* listImp = imp;\n";
-    $functionString = "listImp->${name}(";
-  } 
-  
-  my $first = 1;
-  my $index = 0;
-  my $nodeToReturn = 0;
-
-  foreach my $parameter (@{$function->parameters}) {
-    if ($index eq $numberOfParameters) {
-      last;
-    }
-    if ($first) { $first = 0; }
-    else { $functionString .= ", "; }
-    my $paramName = $parameter->name;
-    my $paramType = $parameter->type;
-    
-    # This is a bit of a hack... we need to convert parameters to methods on SVG lists
-    # of POD types which are items in the list to appropriate SVGList<> instances
-    if ($returnsListItemPodType && $paramType . "List" eq $implClassName) {
-      $paramName = "SVGPODListItem<" . GetNativeType($paramType, 1) . ">::copy($paramName)";    
-    }
-    
-    if ($parameter->type eq "NodeFilter") {
-        $functionString .= "$paramName.get()";
-    } else {
-        $functionString .= $paramName;
-    }
-    
-    if ($parameter->extendedAttributes->{"Return"}) {
-      $nodeToReturn = $parameter->name;
-    }
-    $index++;
-  }
-  
-  if ($function->signature->extendedAttributes->{"CustomArgumentHandling"}) {
-    $functionString .= ", " if not $first;
-    $functionString .= "&callStack";
-    if ($first) { $first = 0; }
-  }
-
-  if (@{$function->raisesExceptions}) {
-    $functionString .= ", " if not $first;
-    $functionString .= "ec";
-  }
-  $functionString .= ")";
-
-  if ((IsRefPtrType($returnType) || $returnsListItemPodType) &&
-      !$nodeToReturn) {
-    # We don't use getPtr when $nodeToReturn because that situation is
-    # special-cased below to return a bool.
-    $implIncludes{"wtf/GetPtr.h"} = 1;
-    $functionString = "WTF::getPtr(" . $functionString . ")";
-  }
-
-  if ($nodeToReturn) {
-    # Special case for insertBefore, replaceChild, removeChild and
-    # appendChild functions from Node.
-    $result .= $indent . "bool success = $functionString;\n";
-    if (@{$function->raisesExceptions}) {
-      $result .= GenerateSetDOMException($indent);
-    }
-    $result .= $indent . "if (success)\n";
-    $result .= $indent . "    " . 
-      "return V8Proxy::NodeToV8Object($nodeToReturn);\n";
-    $result .= $indent . "return v8::Null();\n";
-    return $result;
-  } elsif ($returnType eq "void") {
-    $result .= $indent . "$functionString;\n";
-  } elsif ($copyFirst) {
-    $result .= 
-      $indent . GetNativeType($returnType, 0) . " result = *imp;\n" .
-      $indent . "$functionString;\n";
-  } elsif ($returnsListItemPodType) {
-    $result .= $indent . "RefPtr<SVGPODListItem<$nativeReturnType> > result = $functionString;\n";
-  } else {
-    $result .= $indent . $nativeReturnType . " result = $functionString;\n";
-  }
-
-  if (@{$function->raisesExceptions}) {
-      $result .= GenerateSetDOMException($indent);
-  }
-
-  my $return = "result";
-  if (IsRefPtrType($returnType) || $returnsListItemPodType) {
-    $implIncludes{"wtf/GetPtr.h"} = 1;
-    $return = "WTF::getPtr(" . $return . ")";
-  }
-
-  # If the return type is a POD type, separate out the wrapper generation
-  if ($returnsListItemPodType) {
-    $result .= $indent . "V8SVGPODTypeWrapper<" . $nativeReturnType . ">* wrapper = new ";
-    $result .= "V8SVGPODTypeWrapperCreatorForList<" . $nativeReturnType . ">($return, imp->associatedAttributeName());\n";
-    $return = "wrapper";
-  } elsif ($returnsPodType) {
-    $result .= $indent . "V8SVGPODTypeWrapper<" . $nativeReturnType . ">* wrapper = ";
-    $result .= GenerateSVGStaticPodTypeWrapper($returnType, $return) . ";\n";
-    $return = "wrapper";
-  }
-  
-  my $generatedSVGContextRetrieval = 0;
-  # If the return type needs an SVG context, output it
-  if (IsSVGTypeNeedingContextParameter($returnType)) {
-    $result .= GenerateSVGContextAssignment($implClassName, $return, $indent);
-    $generatedSVGContextRetrieval = 1;
-  }
-
-  if (IsSVGTypeNeedingContextParameter($implClassName) && $implClassName =~ /List$/ && IsSVGListMutator($name)) {
-    if (!$generatedSVGContextRetrieval) {
-      $result .= GenerateSVGContextRetrieval($implClassName, $indent);
-      $generatedSVGContextRetrieval = 1;
-    }
-    
-    $result .= $indent . "context->svgAttributeChanged(imp->associatedAttributeName());\n";
-    $implIncludes{"SVGElement.h"} = 1;
-  }
-
-  # If the implementing class is a POD type, commit changes
-  if ($isPodType) {
-    if (!$generatedSVGContextRetrieval) {
-      $result .= GenerateSVGContextRetrieval($implClassName, $indent);
-      $generatedSVGContextRetrieval = 1;
-    }
-    
-    $result .= $indent . "imp_wrapper->commitChange(imp_instance, context);\n";
-  }
-  
-  if ($returnsPodType) {
-    my $classIndex = uc($returnType);
-    $result .= $indent . "return V8Proxy::ToV8Object(V8ClassIndex::$classIndex, wrapper);\n";
-  } else {
-    $result .= $indent . "return " . NativeToJSValue($function->signature, $return) . ";\n"; 
-  }
-
-  return $result;
-}
-
-
-# Get the class name used for printing javascript DOM-object wrappers.
-sub GetClassName
-{
-  my $type = shift;
-  return "HTMLCollection" if $type eq "UndetectableHTMLCollection";
-  return $type;
-}
-
-
-sub GetNativeTypeFromSignature
-{
-    my $signature = shift;
-    my $isParameter = shift;
-
-    my $type = $codeGenerator->StripModule($signature->type);
-
-    return GetNativeType($type, $isParameter);
-}
-
-sub IsRefPtrType
-{
-    my $type = shift;
-    return 1 if $type eq "Attr";
-    return 1 if $type eq "CanvasGradient";
-    return 1 if $type eq "ClientRect";
-    return 1 if $type eq "ClientRectList";
-    return 1 if $type eq "CDATASection";
-    return 1 if $type eq "Comment";
-    return 1 if $type eq "CSSRule";
-    return 1 if $type eq "CSSStyleRule";
-    return 1 if $type eq "CSSCharsetRule";
-    return 1 if $type eq "CSSImportRule";
-    return 1 if $type eq "CSSMediaRule";
-    return 1 if $type eq "CSSFontFaceRule";
-    return 1 if $type eq "CSSPageRule";
-    return 1 if $type eq "CSSPrimitiveValue";
-    return 1 if $type eq "CSSStyleSheet";
-    return 1 if $type eq "CSSStyleDeclaration";
-    return 1 if $type eq "CSSValue";
-    return 1 if $type eq "CSSRuleList";
-    return 1 if $type eq "Database";
-    return 1 if $type eq "Document";
-    return 1 if $type eq "DocumentFragment";
-    return 1 if $type eq "DocumentType";
-    return 1 if $type eq "Element";
-    return 1 if $type eq "EntityReference";
-    return 1 if $type eq "Event";
-    return 1 if $type eq "FileList";
-    return 1 if $type eq "HTMLCollection";
-    return 1 if $type eq "HTMLDocument";
-    return 1 if $type eq "HTMLElement";
-    return 1 if $type eq "HTMLOptionsCollection";
-    return 1 if $type eq "ImageData";
-    return 1 if $type eq "MediaError";
-    return 1 if $type eq "MimeType";
-    return 1 if $type eq "Node";
-    return 1 if $type eq "NodeList";
-    return 1 if $type eq "NodeFilter";
-    return 1 if $type eq "NodeIterator";
-    return 1 if $type eq "NSResolver";
-    return 1 if $type eq "Plugin";
-    return 1 if $type eq "ProcessingInstruction";
-    return 1 if $type eq "Range";
-    return 1 if $type eq "Text";
-    return 1 if $type eq "TextMetrics";
-    return 1 if $type eq "TimeRanges";
-    return 1 if $type eq "TreeWalker";
-    return 1 if $type eq "WebKitCSSMatrix";
-    return 1 if $type eq "WebKitPoint";
-    return 1 if $type eq "XPathExpression";
-    return 1 if $type eq "XPathNSResolver";
-    return 1 if $type eq "XPathResult";
-
-    return 1 if $type eq "SVGAngle";
-    return 1 if $type eq "SVGElementInstance";
-    return 1 if $type eq "SVGElementInstanceList";
-    return 1 if $type =~ /^SVGPathSeg/;
-    
-    return 1 if $type =~ /^SVGAnimated/;
-
-    return 0;
-}
-
-sub IsVideoClassName
-{
-    my $class = shift;
-    return 1 if $class eq "V8HTMLAudioElement";
-    return 1 if $class eq "V8HTMLMediaElement";
-    return 1 if $class eq "V8HTMLSourceElement";
-    return 1 if $class eq "V8HTMLVideoElement";
-    return 1 if $class eq "V8MediaError";
-    return 1 if $class eq "V8TimeRanges";
-
-    return 0;
-}
-
-sub IsWorkerClassName
-{
-    my $class = shift;
-    return 1 if $class eq "V8Worker";
-    return 1 if $class eq "V8WorkerContext";
-    return 1 if $class eq "V8WorkerLocation";
-    return 1 if $class eq "V8WorkerNavigator";
-
-    return 0;
-}
-
-sub GetNativeType
-{
-    my $type = shift;
-    my $isParameter = shift;
-
-    if ($type eq "float" or $type eq "AtomicString" or $type eq "double") {
-      return $type 
-    }
-    
-    return "int" if $type eq "int";
-    return "int" if $type eq "short" or $type eq "unsigned short";
-    return "int" if $type eq "long" or $type eq "unsigned long";
-    return "unsigned long long" if $type eq "unsigned long long";
-    return "bool" if $type eq "boolean";
-    return "String" if $type eq "DOMString";
-    return "Range::CompareHow" if $type eq "CompareHow";
-    return "FloatRect" if $type eq "SVGRect";
-    return "FloatPoint" if $type eq "SVGPoint";
-    return "TransformationMatrix" if $type eq "SVGMatrix";
-    return "SVGTransform" if $type eq "SVGTransform";
-    return "SVGLength" if $type eq "SVGLength";
-    return "double" if $type eq "SVGNumber";
-    return "SVGPaint::SVGPaintType" if $type eq "SVGPaintType";
-    return "DOMTimeStamp" if $type eq "DOMTimeStamp";
-    return "unsigned" if $type eq "unsigned int";
-    return "unsigned" if $type eq "RGBColor";
-    return "Node*" if $type eq "EventTarget" and $isParameter;
-
-    return "String" if $type eq "DOMUserData";  # temporary hack, TODO
-
-    # temporary hack
-    return "RefPtr<NodeFilter>" if $type eq "NodeFilter";
-
-    return "RefPtr<${type}>" if IsRefPtrType($type) and not $isParameter;
-
-    # Default, assume native type is a pointer with same type name as idl type
-    return "${type}*";
-}
-
-
-my %typeCanFailConversion = (
-    "AtomicString" => 0,
-    "Attr" => 1,
-    "CompareHow" => 0,
-    "DataGridColumn" => 0,
-    "DOMString" => 0,
-    "DOMWindow" => 0,
-    "DocumentType" => 0,
-    "Element" => 0,
-    "Event" => 0,
-    "EventListener" => 0,
-    "EventTarget" => 0,
-    "HTMLElement" => 0,
-    "HTMLOptionElement" => 0,
-    "Node" => 0,
-    "NodeFilter" => 0,
-    "MessagePort" => 0,
-    "NSResolver" => 0,
-    "Range" => 0,
-    "SQLResultSet" => 0,
-    "Storage" => 0,
-    "SVGAngle" => 0,
-    "SVGElement" => 0,
-    "SVGLength" => 1,
-    "SVGMatrix" => 1,
-    "SVGNumber" => 0,
-    "SVGPaintType" => 0,
-    "SVGPathSeg" => 0,
-    "SVGPoint" => 1,
-    "SVGRect" => 1,
-    "SVGTransform" => 1,
-    "VoidCallback" => 1,
-    "WebKitCSSMatrix" => 0,
-    "WebKitPoint" => 0,
-    "XPathEvaluator" => 0,
-    "XPathNSResolver" => 0,
-    "XPathResult" => 0,
-    "boolean" => 0,
-    "double" => 0,
-    "float" => 0,
-    "long" => 0,
-    "unsigned long" => 0,
-    "unsigned short" => 0,
-);
-
-
-sub TranslateParameter
-{
-    my $signature = shift;
-
-    # The IDL uses some pseudo-types which don't really exist.
-    if ($signature->type eq "TimeoutHandler") {
-      $signature->type("DOMString");
-    }
-}
-
-sub BasicTypeCanFailConversion
-{
-  my $signature = shift;
-  my $type = $codeGenerator->StripModule($signature->type);
-
-  return 1 if $type eq "SVGLength";
-  return 1 if $type eq "SVGMatrix";
-  return 1 if $type eq "SVGPoint";
-  return 1 if $type eq "SVGRect";
-  return 1 if $type eq "SVGTransform";
-  return 0;
-}
-
-sub TypeCanFailConversion
-{
-    my $signature = shift;
-
-    my $type = $codeGenerator->StripModule($signature->type);
-
-    $implIncludes{"ExceptionCode.h"} = 1 if $type eq "Attr";
-
-    return $typeCanFailConversion{$type} if exists $typeCanFailConversion{$type};
-
-    die "Don't know whether a JS value can fail conversion to type $type.";
-}
-
-sub JSValueToNative
-{
-    my $signature = shift;
-    my $value = shift;
-    my $okParam = shift;
-    my $maybeOkParam = $okParam ? ", ${okParam}" : "";
-
-    my $type = $codeGenerator->StripModule($signature->type);
-    
-    return "$value" if $type eq "JSObject";
-    return "$value->BooleanValue()" if $type eq "boolean";
-    return "static_cast<$type>($value->NumberValue())" if $type eq "float" or $type eq "double";
-    return "$value->NumberValue()" if $type eq "SVGNumber";
-    
-    return "ToInt32($value${maybeOkParam})" if $type eq "unsigned long" or $type eq "unsigned short" or $type eq "long";
-    return "static_cast<Range::CompareHow>($value->Int32Value())" if $type eq "CompareHow";
-    return "static_cast<SVGPaint::SVGPaintType>($value->ToInt32()->Int32Value())" if $type eq "SVGPaintType";
-
-    return "ToWebCoreString($value)" if $type eq "AtomicString" or $type eq "DOMUserData";
-    if ($type eq "DOMString") {
-        return "valueToStringWithNullCheck($value)" if $signature->extendedAttributes->{"ConvertNullToNullString"};
-        return "valueToStringWithNullOrUndefinedCheck($value)" if $signature->extendedAttributes->{"ConvertUndefinedOrNullToNullString"};
-        return "ToWebCoreString($value)";
-    }
-
-    if ($type eq "NodeFilter") {
-        return "V8Proxy::ToNativeNodeFilter($value)";
-    }
-
-    if ($type eq "SVGRect") {
-        $implIncludes{"FloatRect.h"} = 1;
-    }
-
-    if ($type eq "SVGPoint") {
-        $implIncludes{"FloatPoint.h"} = 1;
-    }
-
-    # Default, assume autogenerated type conversion routines
-    $implIncludes{"v8_proxy.h"} = 1;
-    if ($type eq "EventTarget") {
-      $implIncludes{"V8Node.h"} = 1;
-
-      # EventTarget is not in DOM hierarchy, but all Nodes are EventTarget.
-      return "V8Node::HasInstance($value) ? V8Proxy::DOMWrapperToNode<Node>($value) : 0";
-    }
-
-    AddIncludesForType($type);
-    # $implIncludes{"$type.h"} = 1 unless AvoidInclusionOfType($type);
-
-    if (IsDOMNodeType($type)) {
-      $implIncludes{"V8${type}.h"} = 1;
-      
-      # Perform type checks on the parameter, if it is expected Node type,
-      # return NULL.
-      return "V8${type}::HasInstance($value) ? V8Proxy::DOMWrapperToNode<${type}>($value) : 0";
-
-    } else {
-      # TODO: Temporary to avoid Window name conflict.
-      my $classIndex = uc($type);
-      my $implClassName = ${type};
-
-      $implIncludes{"V8$type.h"} = 1;
-      
-      if ($codeGenerator->IsPodType($type)) {
-        my $nativeType = GetNativeType($type);
-        $implIncludes{"V8SVGPODTypeWrapper.h"} = 1;
-
-        return "V8SVGPODTypeUtil::ToSVGPODType<${nativeType}>(V8ClassIndex::${classIndex}, $value${maybeOkParam})"
-      }
-      
-      $implIncludes{"V8${type}.h"} = 1;
-
-      # Perform type checks on the parameter, if it is expected Node type,
-      # return NULL.
-      return "V8${type}::HasInstance($value) ? V8Proxy::ToNativeObject<${implClassName}>(V8ClassIndex::${classIndex}, $value) : 0";
-    }
-}
-
-
-sub GetV8HeaderName
-{
-    my $type = shift;
-    return "V8" . GetImplementationFileName($type);
-}
-
-
-sub CreateCustomSignature
-{
-    my $function = shift;
-    my $count = @{$function->parameters};
-    my $name = $function->signature->name;
-    my $result = "  const int ${name}_argc = ${count};\n" .
-      "  v8::Handle<v8::FunctionTemplate> ${name}_argv[${name}_argc] = { ";
-    my $first = 1;
-    foreach my $parameter (@{$function->parameters}) {
-        if ($first) { $first = 0; }
-        else { $result .= ", "; }
-        if (IsWrapperType($parameter->type)) {
-            my $type = $parameter->type;
-            my $header = GetV8HeaderName($type);
-            $implIncludes{$header} = 1;
-            $result .= "V8${type}::GetRawTemplate()";
-        } else {
-            $result .= "v8::Handle<v8::FunctionTemplate>()";
-        }
-    }
-    $result .= " };\n";
-    $result .= "  v8::Handle<v8::Signature> ${name}_signature = v8::Signature::New(desc, ${name}_argc, ${name}_argv);\n";
-    return $result;
-}
-
-
-sub RequiresCustomSignature
-{
-    my $function = shift;
-    # No signature needed for Custom function
-    if ($function->signature->extendedAttributes->{"Custom"} ||
-        $function->signature->extendedAttributes->{"V8Custom"}) {
-      return 0;
-    }
-
-    foreach my $parameter (@{$function->parameters}) {
-      if (IsWrapperType($parameter->type)) {
-          return 1;
-      }
-    }
-    return 0;
-}
-
-
-my %non_wrapper_types = (
-  'float' => 1,
-  'AtomicString' => 1,
-  'double' => 1,
-  'short' => 1,
-  'unsigned short' => 1,
-  'long' => 1,
-  'unsigned long' => 1,
-  'boolean' => 1,
-  'DOMString' => 1,
-  'CompareHow' => 1,
-  'SVGRect' => 1,
-  'SVGPoint' => 1,
-  'SVGMatrix' => 1,
-  'SVGTransform' => 1,
-  'SVGLength' => 1,
-  'SVGNumber' => 1,
-  'SVGPaintType' => 1,
-  'DOMTimeStamp' => 1,
-  'JSObject' => 1,
-  'EventTarget' => 1,
-  'NodeFilter' => 1,
-  'EventListener' => 1
-);
-
-
-sub IsWrapperType
-{
-    my $type = $codeGenerator->StripModule(shift);
-    return !($non_wrapper_types{$type});
-}
-
-sub IsDOMNodeType
-{
-    my $type = shift;
-
-    return 1 if $type eq 'Attr';
-    return 1 if $type eq 'CDATASection';
-    return 1 if $type eq 'Comment';
-    return 1 if $type eq 'Document';
-    return 1 if $type eq 'DocumentFragment';
-    return 1 if $type eq 'DocumentType';
-    return 1 if $type eq 'Element';
-    return 1 if $type eq 'EntityReference';
-    return 1 if $type eq 'HTMLCanvasElement';
-    return 1 if $type eq 'HTMLDocument';
-    return 1 if $type eq 'HTMLElement';
-    return 1 if $type eq 'HTMLFormElement';
-    return 1 if $type eq 'HTMLTableCaptionElement';
-    return 1 if $type eq 'HTMLTableSectionElement';
-    return 1 if $type eq 'Node';
-    return 1 if $type eq 'ProcessingInstruction';
-    return 1 if $type eq 'SVGElement';
-    return 1 if $type eq 'SVGDocument';
-    return 1 if $type eq 'SVGSVGElement';
-    return 1 if $type eq 'SVGUseElement';
-    return 1 if $type eq 'Text';
-
-    return 0;
-}
-
-
-sub NativeToJSValue
-{
-    my $signature = shift;
-    my $value = shift;
-    my $type = $codeGenerator->StripModule($signature->type);
-    my $className= "V8$type";
-    
-    return "v8::Date::New(static_cast<double>($value))" if $type eq "DOMTimeStamp";
-    return "$value ? v8::True() : v8::False()" if $type eq "boolean";
-    return "v8::Undefined()" if $type eq "void";
-    
-    # For all the types where we use 'int' as the representation type,
-    # we use Integer::New which has a fast Smi conversion check.
-    return "v8::Integer::New($value)" if GetNativeType($type) eq "int";
-
-    return "v8::Number::New($value)" if $codeGenerator->IsPrimitiveType($type) or $type eq "SVGPaintType";
-
-    if ($codeGenerator->IsStringType($type)) {
-        my $conv = $signature->extendedAttributes->{"ConvertNullStringTo"};
-        if (defined $conv) {
-            return "v8StringOrNull($value)" if $conv eq "Null";
-            return "v8StringOrUndefined($value)" if $conv eq "Undefined";
-            return "v8StringOrFalse($value)" if $conv eq "False";
-
-            die "Unknown value for ConvertNullStringTo extended attribute";
-        }
-        return "v8String($value)";
-    }
-
-    # V8 specific.
-    my $implClassName = $type;
-    AddIncludesForType($type);
-    # $implIncludes{GetImplementationFileName($type)} = 1 unless AvoidInclusionOfType($type);
-
-    # special case for non-DOM node interfaces
-    if (IsDOMNodeType($type)) {
-      return "V8Proxy::NodeToV8Object($value)";
-    }
-
-    if ($type eq "EventTarget" or $type eq "SVGElementInstance") {
-      return "V8Proxy::EventTargetToV8Object($value)";
-    }
-
-    if ($type eq "Event") {
-      return "V8Proxy::EventToV8Object($value)";
-    }
-
-    if ($type eq "EventListener") {
-      return "V8Proxy::EventListenerToV8Object($value)";
-    }
-
-    if ($type eq "RGBColor") {
-      return "V8Proxy::ToV8Object(V8ClassIndex::RGBCOLOR, new RGBColor($value))";
-    }
-    
-    if ($type eq "WorkerContext" or $type eq "WorkerLocation" or $type eq "WorkerNavigator") {
-      $implIncludes{"WorkerContextExecutionProxy.h"} = 1;
-      my $classIndex = uc($type);
-
-      return "WorkerContextExecutionProxy::ToV8Object(V8ClassIndex::$classIndex, $value)";
-    }
-
-    else {
-      $implIncludes{"wtf/RefCounted.h"} = 1;
-      $implIncludes{"wtf/RefPtr.h"} = 1;
-      my $classIndex = uc($type);
-      
-      if ($codeGenerator->IsPodType($type)) {
-        $value = GenerateSVGStaticPodTypeWrapper($type, $value);
-      }
-
-      return "V8Proxy::ToV8Object(V8ClassIndex::$classIndex, $value)";
-    }
-}
-
-sub GenerateSVGStaticPodTypeWrapper {
-  my $type = shift;
-  my $value = shift;
-  
-  $implIncludes{"V8$type.h"}=1;
-  $implIncludes{"V8SVGPODTypeWrapper.h"} = 1;
-
-  my $nativeType = GetNativeType($type);
-  return "new V8SVGStaticPODTypeWrapper<$nativeType>($value)";
-}
-
-# Internal helper
-sub WriteData
-{
-    if (defined($IMPL)) {
-        # Write content to file.
-        print $IMPL @implContentHeader;
-
-        print $IMPL @implFixedHeader;
-
-        foreach my $implInclude (sort keys(%implIncludes)) {
-            my $checkType = $implInclude;
-            $checkType =~ s/\.h//;
-
-            print $IMPL "#include \"$implInclude\"\n" unless $codeGenerator->IsSVGAnimatedType($checkType);
-        }
-
-        print $IMPL "\n";
-        print $IMPL @implContentDecls;
-        print $IMPL @implContent;
-        close($IMPL);
-        undef($IMPL);
-
-        %implIncludes = ();
-        @implFixedHeader = ();
-        @implHeaderContent = ();
-        @implContentDecls = ();
-        @implContent = ();
-    }
-
-    if (defined($HEADER)) {
-        # Write content to file.
-        print $HEADER @headerContent;
-        close($HEADER);
-        undef($HEADER);
-
-        @headerContent = ();
-    }
-}
-
-sub IsSVGTypeNeedingContextParameter
-{
-    my $implClassName = shift;
-
-    if ($implClassName =~ /SVG/ and not $implClassName =~ /Element/) {
-        return 1 unless $implClassName =~ /SVGPaint/ or $implClassName =~ /SVGColor/ or $implClassName =~ /SVGDocument/;
-    }
-
-    return 0;
-}
-
-sub GenerateSVGContextAssignment
-{
-    my $srcType = shift;
-    my $value = shift;
-    my $indent = shift;
-    
-    $result = GenerateSVGContextRetrieval($srcType, $indent);
-    $result .=   $indent . "V8Proxy::SetSVGContext($value, context);\n";
-    
-    return $result;
-}
-
-sub GenerateSVGContextRetrieval
-{
-  my $srcType = shift;
-  my $indent = shift;
-
-  my $srcIsPodType = $codeGenerator->IsPodType($srcType);
-  
-  my $srcObject = "imp";
-  if ($srcIsPodType) {
-    $srcObject = "imp_wrapper";
-  }
-
-  my $contextDecl;
-  
-  if (IsSVGTypeNeedingContextParameter($srcType)) {
-    $contextDecl = "V8Proxy::GetSVGContext($srcObject)";
-  } else {
-    $contextDecl = $srcObject;
-  }
-
-  return $indent . "SVGElement* context = $contextDecl;\n";
-}
-
-sub IsSVGListMutator
-{
-  my $functionName = shift;
-  
-  return 1 if $functionName eq "clear";
-  return 1 if $functionName eq "initialize";
-  return 1 if $functionName eq "insertItemBefore";
-  return 1 if $functionName eq "replaceItem";
-  return 1 if $functionName eq "removeItem";
-  return 1 if $functionName eq "appendItem";
-  
-  return 0;
-}
-
-sub IsSVGListMethod
-{
-  my $functionName = shift;
- 
-  return 1 if $functionName eq "getFirst";
-  return 1 if $functionName eq "getLast";
-  return 1 if $functionName eq "getItem";
-  
-  return IsSVGListMutator($functionName);
-}
-
-sub IsSVGListTypeNeedingSpecialHandling
-{
-  my $className = shift;
-  
-  return 1 if $className eq "SVGPointList";
-  return 1 if $className eq "SVGTransformList";
-  
-  return 0;
-}
-  
-sub DebugPrint
-{
-  my $output = shift;
-  
-  print $output;
-  print "\n";
-}