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webkit / WebKit / b9ad540dbf7fd148b66c6c89aaf8610761b27594 / . / WebCore / bindings / scripts / CodeGeneratorJS.pm
blob: a88cad8edef87f5d09975f37d97fcfd326c48a03 [file] [log] [blame]
#
# Copyright (C) 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
# Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
# Copyright (C) 2006, 2007 Samuel Weinig <sam@webkit.org>
# Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
# Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
#
# 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., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
package CodeGeneratorJS;
use File::stat;
my $module = "";
my $outputDir = "";
my @headerContentHeader = ();
my @headerContent = ();
my %headerIncludes = ();
my @implContentHeader = ();
my @implContent = ();
my %implIncludes = ();
my %implKJSIncludes = ();
# 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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, 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);
}
# 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/JS$name.h";
my $implFileName = "$outputDir/JS$name.cpp";
open($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 GetParentClassName
{
my $dataNode = shift;
return $dataNode->extendedAttributes->{"LegacyParent"} if $dataNode->extendedAttributes->{"LegacyParent"};
return "DOMObject" if @{$dataNode->parents} eq 0;
return "JS" . $codeGenerator->StripModule($dataNode->parents(0));
}
sub GetVisibleClassName
{
my $className = shift;
return "DOMException" if $className eq "DOMCoreException";
return $className;
}
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 "Node" or $type eq "Document" or $type eq "HTMLCollection" or $type eq "SVGPathSeg" or $type eq "StyleSheet" or $type eq "CSSRule" or $type eq "CSSValue" or $type eq "Event" or $type eq "ImageData" or $type eq "Element" or $type eq "Text";
return 0;
}
sub IndexGetterReturnsStrings
{
my $type = shift;
return 1 if $type eq "CSSStyleDeclaration" or $type eq "MediaList" or $type eq "CSSVariablesDeclaration";
return 0;
}
sub CreateSVGContextInterfaceName
{
my $type = shift;
return $type if $codeGenerator->IsSVGAnimatedType($type);
return "SVGPathSeg" if $type =~ /^SVGPathSeg/ and $type ne "SVGPathSegList";
return "";
}
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)
or $type eq "DOMString" or $type eq "DOMObject" or $type eq "RGBColor") {
} elsif ($type =~ /SVGPathSeg/) {
$joinedName = $type;
$joinedName =~ s/Abs|Rel//;
$implIncludes{"${joinedName}.h"} = 1;
} elsif ($type eq "XPathNSResolver") {
$implIncludes{"JSXPathNSResolver.h"} = 1;
$implIncludes{"JSCustomXPathNSResolver.h"} = 1;
} else {
# default, include the same named file
$implIncludes{"${type}.h"} = 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" or $type eq "MessagePort") {
$implIncludes{"PlatformString.h"} = 1;
}
if ($type eq "Document") {
$implIncludes{"NodeFilter.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;
}
}
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 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 HashValueForClassAndName
{
my $class = shift;
my $name = shift;
# SVG Filter enums live in WebCore namespace (platform/graphics/)
if ($class =~ /^SVGFE*/ or $class =~ /^SVGComponentTransferFunctionElement$/) {
return "WebCore::$name";
}
return "${class}::$name";
}
sub hashTableAccessor
{
my $noStaticTables = shift;
my $className = shift;
if ($noStaticTables) {
return "get${className}Table(exec)";
} else {
return "&${className}Table";
}
}
sub prototypeHashTableAccessor
{
my $noStaticTables = shift;
my $className = shift;
if ($noStaticTables) {
return "get${className}PrototypeTable(exec)";
} else {
return "&${className}PrototypeTable";
}
}
sub GenerateGetOwnPropertySlotBody
{
my ($dataNode, $interfaceName, $className, $implClassName, $hasAttributes, $inlined) = @_;
my $namespaceMaybe = ($inlined ? "JSC::" : "");
my @getOwnPropertySlotImpl = ();
if ($interfaceName eq "NamedNodeMap" or $interfaceName eq "HTMLCollection") {
push(@getOwnPropertySlotImpl, " ${namespaceMaybe}JSValuePtr proto = prototype();\n");
push(@getOwnPropertySlotImpl, " if (proto->isObject() && static_cast<${namespaceMaybe}JSObject*>(asObject(proto))->hasProperty(exec, propertyName))\n");
push(@getOwnPropertySlotImpl, " return false;\n\n");
}
my $hasNameGetterGeneration = sub {
push(@getOwnPropertySlotImpl, " if (canGetItemsForName(exec, static_cast<$implClassName*>(impl()), propertyName)) {\n");
push(@getOwnPropertySlotImpl, " slot.setCustom(this, nameGetter);\n");
push(@getOwnPropertySlotImpl, " return true;\n");
push(@getOwnPropertySlotImpl, " }\n");
if ($inlined) {
$headerIncludes{"AtomicString.h"} = 1;
} else {
$implIncludes{"AtomicString.h"} = 1;
}
};
if ($dataNode->extendedAttributes->{"HasOverridingNameGetter"}) {
&$hasNameGetterGeneration();
}
my $requiresManualLookup = $dataNode->extendedAttributes->{"HasIndexGetter"} || $dataNode->extendedAttributes->{"HasNameGetter"};
if ($requiresManualLookup) {
push(@getOwnPropertySlotImpl, " const ${namespaceMaybe}HashEntry* entry = ${className}Table.entry(exec, propertyName);\n");
push(@getOwnPropertySlotImpl, " if (entry) {\n");
push(@getOwnPropertySlotImpl, " slot.setCustom(this, entry->propertyGetter());\n");
push(@getOwnPropertySlotImpl, " return true;\n");
push(@getOwnPropertySlotImpl, " }\n");
}
if ($dataNode->extendedAttributes->{"HasIndexGetter"} || $dataNode->extendedAttributes->{"HasCustomIndexGetter"}) {
push(@getOwnPropertySlotImpl, " bool ok;\n");
push(@getOwnPropertySlotImpl, " unsigned index = propertyName.toUInt32(&ok, false);\n");
push(@getOwnPropertySlotImpl, " if (ok && index < static_cast<$implClassName*>(impl())->length()) {\n");
if ($dataNode->extendedAttributes->{"HasCustomIndexGetter"}) {
push(@getOwnPropertySlotImpl, " slot.setValue(getByIndex(exec, index));\n");
} else {
push(@getOwnPropertySlotImpl, " slot.setCustomIndex(this, index, indexGetter);\n");
}
push(@getOwnPropertySlotImpl, " return true;\n");
push(@getOwnPropertySlotImpl, " }\n");
}
if ($dataNode->extendedAttributes->{"HasNameGetter"}) {
&$hasNameGetterGeneration();
}
if ($dataNode->extendedAttributes->{"CustomGetOwnPropertySlot"}) {
push(@getOwnPropertySlotImpl, " if (customGetOwnPropertySlot(exec, propertyName, slot))\n");
push(@getOwnPropertySlotImpl, " return true;\n");
}
if ($hasAttributes) {
if ($inlined) {
die "Cannot inline if NoStaticTables is set." if ($dataNode->extendedAttributes->{"NoStaticTables"});
push(@getOwnPropertySlotImpl, " return ${namespaceMaybe}getStaticValueSlot<$className, Base>(exec, s_info.staticPropHashTable, this, propertyName, slot);\n");
} else {
push(@getOwnPropertySlotImpl, " return ${namespaceMaybe}getStaticValueSlot<$className, Base>(exec, " . hashTableAccessor($dataNode->extendedAttributes->{"NoStaticTables"}, $className) . ", this, propertyName, slot);\n");
}
} else {
push(@getOwnPropertySlotImpl, " return Base::getOwnPropertySlot(exec, propertyName, slot);\n");
}
return @getOwnPropertySlotImpl;
}
sub GenerateHeader
{
my $object = shift;
my $dataNode = shift;
my $interfaceName = $dataNode->name;
my $className = "JS$interfaceName";
my $implClassName = $interfaceName;
# We only support multiple parents with SVG (for now).
if (@{$dataNode->parents} > 1) {
die "A class can't have more than one parent" unless $interfaceName =~ /SVG/;
$codeGenerator->AddMethodsConstantsAndAttributesFromParentClasses($dataNode);
}
my $hasLegacyParent = $dataNode->extendedAttributes->{"LegacyParent"};
my $hasRealParent = @{$dataNode->parents} > 0;
my $hasParent = $hasLegacyParent || $hasRealParent;
my $parentClassName = GetParentClassName($dataNode);
my $conditional = $dataNode->extendedAttributes->{"Conditional"};
# - Add default header template
@headerContentHeader = split("\r", $headerTemplate);
# - Add header protection
push(@headerContentHeader, "\n#ifndef $className" . "_h");
push(@headerContentHeader, "\n#define $className" . "_h\n\n");
my $conditionalString;
if ($conditional) {
$conditionalString = "ENABLE(" . join(") && ENABLE(", split(/&/, $conditional)) . ")";
push(@headerContentHeader, "\n#if ${conditionalString}\n\n");
}
if ($hasParent) {
push(@headerContentHeader, "#include \"$parentClassName.h\"\n");
} else {
push(@headerContentHeader, "#include \"JSDOMBinding.h\"\n");
push(@headerContentHeader, "#include <runtime/JSGlobalObject.h>\n");
push(@headerContentHeader, "#include <runtime/ObjectPrototype.h>\n");
}
if ($interfaceName eq "Node") {
push(@headerContentHeader, "#include \"EventTargetNode.h\"\n");
}
if ($dataNode->extendedAttributes->{"CustomCall"}) {
push(@headerContentHeader, "#include <runtime/CallData.h>\n");
}
if ($dataNode->extendedAttributes->{"InlineGetOwnPropertySlot"}) {
push(@headerContentHeader, "#include <runtime/Lookup.h>\n");
push(@headerContentHeader, "#include <wtf/AlwaysInline.h>\n");
}
if ($hasParent && $dataNode->extendedAttributes->{"GenerateNativeConverter"}) {
push(@headerContentHeader, "#include \"${implClassName}.h\"");
}
# Get correct pass/store types respecting PODType flag
my $podType = $dataNode->extendedAttributes->{"PODType"};
my $implType = $podType ? "JSSVGPODTypeWrapper<$podType> " : $implClassName;
push(@headerContentHeader, "#include \"$podType.h\"\n") if $podType and $podType ne "float";
push(@headerContentHeader, "#include \"JSSVGPODTypeWrapper.h\"\n") if $podType;
my $numConstants = @{$dataNode->constants};
my $numAttributes = @{$dataNode->attributes};
my $numFunctions = @{$dataNode->functions};
push(@headerContent, "\nnamespace WebCore {\n\n");
# Implementation class forward declaration
AddClassForwardIfNeeded($implClassName) unless $podType;
AddClassForwardIfNeeded("JSDOMWindowShell") if $interfaceName eq "DOMWindow";
# Class declaration
push(@headerContent, "class $className : public $parentClassName {\n");
push(@headerContent, " typedef $parentClassName Base;\n");
push(@headerContent, "public:\n");
# Constructor
if ($interfaceName eq "DOMWindow") {
push(@headerContent, " $className(PassRefPtr<JSC::Structure>, PassRefPtr<$implType>, JSDOMWindowShell*);\n");
} elsif (IsSVGTypeNeedingContextParameter($implClassName)) {
push(@headerContent, " $className(PassRefPtr<JSC::Structure>, PassRefPtr<$implType>, SVGElement* context);\n");
} else {
push(@headerContent, " $className(PassRefPtr<JSC::Structure>, PassRefPtr<$implType>);\n");
}
# Destructor
push(@headerContent, " virtual ~$className();\n") if (!$hasParent or $interfaceName eq "Document");
# Prototype
push(@headerContent, " static JSC::JSObject* createPrototype(JSC::ExecState*);\n") unless ($dataNode->extendedAttributes->{"ExtendsDOMGlobalObject"});
$implIncludes{"${className}Custom.h"} = 1 if $dataNode->extendedAttributes->{"CustomHeader"} || $dataNode->extendedAttributes->{"CustomPutFunction"};
my $hasGetter = $numAttributes > 0
|| $dataNode->extendedAttributes->{"GenerateConstructor"}
|| $dataNode->extendedAttributes->{"HasIndexGetter"}
|| $dataNode->extendedAttributes->{"HasCustomIndexGetter"}
|| $dataNode->extendedAttributes->{"CustomGetOwnPropertySlot"}
|| $dataNode->extendedAttributes->{"HasNameGetter"}
|| $dataNode->extendedAttributes->{"HasOverridingNameGetter"};
# Getters
if ($hasGetter) {
push(@headerContent, " virtual bool getOwnPropertySlot(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertySlot&);\n");
push(@headerContent, " virtual bool getOwnPropertySlot(JSC::ExecState*, unsigned propertyName, JSC::PropertySlot&);\n") if ($dataNode->extendedAttributes->{"HasIndexGetter"} || $dataNode->extendedAttributes->{"HasCustomIndexGetter"}) && !$dataNode->extendedAttributes->{"HasOverridingNameGetter"};
push(@headerContent, " bool customGetOwnPropertySlot(JSC::ExecState*, const JSC::Identifier&, JSC::PropertySlot&);\n") if $dataNode->extendedAttributes->{"CustomGetOwnPropertySlot"};
}
# Check if we have any writable properties
my $hasReadWriteProperties = 0;
foreach (@{$dataNode->attributes}) {
if ($_->type !~ /^readonly\ attribute$/) {
$hasReadWriteProperties = 1;
}
}
my $hasSetter = $hasReadWriteProperties
|| $dataNode->extendedAttributes->{"CustomPutFunction"}
|| $dataNode->extendedAttributes->{"HasCustomIndexSetter"};
# Getters
if ($hasSetter) {
push(@headerContent, " virtual void put(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::JSValuePtr, JSC::PutPropertySlot&);\n");
push(@headerContent, " virtual void put(JSC::ExecState*, unsigned propertyName, JSC::JSValuePtr);\n") if $dataNode->extendedAttributes->{"HasCustomIndexSetter"};
push(@headerContent, " bool customPut(JSC::ExecState*, const JSC::Identifier&, JSC::JSValuePtr, JSC::PutPropertySlot&);\n") if $dataNode->extendedAttributes->{"CustomPutFunction"};
}
# Class info
push(@headerContent, " virtual const JSC::ClassInfo* classInfo() const { return &s_info; }\n");
push(@headerContent, " static const JSC::ClassInfo s_info;\n\n");
# Structure ID
if ($interfaceName eq "DOMWindow") {
push(@headerContent,
" static PassRefPtr<JSC::Structure> createStructure(JSC::JSValuePtr prototype)\n" .
" {\n" .
" return JSC::Structure::create(prototype, JSC::TypeInfo(JSC::ObjectType, JSC::ImplementsHasInstance | JSC::NeedsThisConversion));\n" .
" }\n\n");
} elsif ($hasGetter) {
push(@headerContent,
" static PassRefPtr<JSC::Structure> createStructure(JSC::JSValuePtr prototype)\n" .
" {\n" .
" return JSC::Structure::create(prototype, JSC::TypeInfo(JSC::ObjectType));\n" .
" }\n\n");
}
# Custom mark function
push(@headerContent, " virtual void mark();\n\n") if $dataNode->extendedAttributes->{"CustomMarkFunction"};
# Custom pushEventHandlerScope function
push(@headerContent, " virtual void pushEventHandlerScope(JSC::ExecState*, JSC::ScopeChain&) const;\n\n") if $dataNode->extendedAttributes->{"CustomPushEventHandlerScope"};
# Custom call functions
push(@headerContent, " virtual JSC::CallType getCallData(JSC::CallData&);\n\n") if $dataNode->extendedAttributes->{"CustomCall"};
# Custom deleteProperty function
push(@headerContent, " virtual bool deleteProperty(JSC::ExecState*, const JSC::Identifier&);\n") if $dataNode->extendedAttributes->{"CustomDeleteProperty"};
# Custom getPropertyNames function
push(@headerContent, " virtual void getPropertyNames(JSC::ExecState*, JSC::PropertyNameArray&);\n") if ($dataNode->extendedAttributes->{"CustomGetPropertyNames"} || $dataNode->extendedAttributes->{"HasIndexGetter"} || $dataNode->extendedAttributes->{"HasCustomIndexGetter"});
push(@headerContent, " bool customGetPropertyNames(JSC::ExecState*, JSC::PropertyNameArray&);\n") if $dataNode->extendedAttributes->{"CustomGetPropertyNames"};
# Custom getPropertyAttributes function
push(@headerContent, " virtual bool getPropertyAttributes(JSC::ExecState*, const JSC::Identifier&, unsigned& attributes) const;\n") if $dataNode->extendedAttributes->{"CustomGetPropertyAttributes"};
# Custom defineGetter function
push(@headerContent, " virtual void defineGetter(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::JSObject* getterFunction);\n") if $dataNode->extendedAttributes->{"CustomDefineGetter"};
# Custom defineSetter function
push(@headerContent, " virtual void defineSetter(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::JSObject* setterFunction);\n") if $dataNode->extendedAttributes->{"CustomDefineSetter"};
# Custom lookupGetter function
push(@headerContent, " virtual JSC::JSValuePtr lookupGetter(JSC::ExecState*, const JSC::Identifier& propertyName);\n") if $dataNode->extendedAttributes->{"CustomLookupGetter"};
# Custom lookupSetter function
push(@headerContent, " virtual JSC::JSValuePtr lookupSetter(JSC::ExecState*, const JSC::Identifier& propertyName);\n") if $dataNode->extendedAttributes->{"CustomLookupSetter"};
# Constructor object getter
push(@headerContent, " static JSC::JSValuePtr getConstructor(JSC::ExecState*);\n") if $dataNode->extendedAttributes->{"GenerateConstructor"};
my $numCustomFunctions = 0;
my $numCustomAttributes = 0;
# Attribute and function enums
if ($numAttributes > 0) {
foreach (@{$dataNode->attributes}) {
my $attribute = $_;
$numCustomAttributes++ if $attribute->signature->extendedAttributes->{"Custom"};
$numCustomAttributes++ if $attribute->signature->extendedAttributes->{"CustomGetter"};
$numCustomAttributes++ if $attribute->signature->extendedAttributes->{"CustomSetter"};
}
}
if ($numCustomAttributes > 0) {
push(@headerContent, "\n // Custom attributes\n");
foreach my $attribute (@{$dataNode->attributes}) {
if ($attribute->signature->extendedAttributes->{"Custom"}) {
push(@headerContent, " JSC::JSValuePtr " . $codeGenerator->WK_lcfirst($attribute->signature->name) . "(JSC::ExecState*) const;\n");
if ($attribute->type !~ /^readonly/) {
push(@headerContent, " void set" . $codeGenerator->WK_ucfirst($attribute->signature->name) . "(JSC::ExecState*, JSC::JSValuePtr);\n");
}
} elsif ($attribute->signature->extendedAttributes->{"CustomGetter"}) {
push(@headerContent, " JSC::JSValuePtr " . $codeGenerator->WK_lcfirst($attribute->signature->name) . "(JSC::ExecState*) const;\n");
} elsif ($attribute->signature->extendedAttributes->{"CustomSetter"}) {
if ($attribute->type !~ /^readonly/) {
push(@headerContent, " void set" . $codeGenerator->WK_ucfirst($attribute->signature->name) . "(JSC::ExecState*, JSC::JSValuePtr);\n");
}
}
}
}
foreach my $function (@{$dataNode->functions}) {
$numCustomFunctions++ if $function->signature->extendedAttributes->{"Custom"};
}
if ($numCustomFunctions > 0) {
push(@headerContent, "\n // Custom functions\n");
foreach my $function (@{$dataNode->functions}) {
if ($function->signature->extendedAttributes->{"Custom"}) {
my $functionImplementationName = $function->signature->extendedAttributes->{"ImplementationFunction"} || $codeGenerator->WK_lcfirst($function->signature->name);
push(@headerContent, " JSC::JSValuePtr " . $functionImplementationName . "(JSC::ExecState*, const JSC::ArgList&);\n");
}
}
}
if (!$hasParent) {
if ($podType) {
push(@headerContent, " JSSVGPODTypeWrapper<$podType>* impl() const { return m_impl.get(); }\n");
push(@headerContent, " SVGElement* context() const { return m_context.get(); }\n\n");
push(@headerContent, "private:\n");
push(@headerContent, " RefPtr<SVGElement> m_context;\n");
push(@headerContent, " RefPtr<JSSVGPODTypeWrapper<$podType> > m_impl;\n");
} elsif (IsSVGTypeNeedingContextParameter($implClassName)) {
push(@headerContent, " $implClassName* impl() const { return m_impl.get(); }\n");
push(@headerContent, " SVGElement* context() const { return m_context.get(); }\n\n");
push(@headerContent, "private:\n");
push(@headerContent, " RefPtr<SVGElement> m_context;\n");
push(@headerContent, " RefPtr<$implClassName > m_impl;\n");
} else {
push(@headerContent, " $implClassName* impl() const { return m_impl.get(); }\n\n");
push(@headerContent, "private:\n");
push(@headerContent, " RefPtr<$implClassName> m_impl;\n");
}
} elsif ($dataNode->extendedAttributes->{"GenerateNativeConverter"}) {
push(@headerContent, " $implClassName* impl() const\n");
push(@headerContent, " {\n");
push(@headerContent, " return static_cast<$implClassName*>(Base::impl());\n");
push(@headerContent, " }\n");
}
# Index getter
if ($dataNode->extendedAttributes->{"HasIndexGetter"}) {
push(@headerContent, " static JSC::JSValuePtr indexGetter(JSC::ExecState*, const JSC::Identifier&, const JSC::PropertySlot&);\n");
}
if ($dataNode->extendedAttributes->{"HasCustomIndexGetter"}) {
push(@headerContent, " JSC::JSValuePtr getByIndex(JSC::ExecState*, unsigned index);\n");
}
# Index setter
if ($dataNode->extendedAttributes->{"HasCustomIndexSetter"}) {
push(@headerContent, " void indexSetter(JSC::ExecState*, unsigned index, JSC::JSValuePtr);\n");
}
# Name getter
if ($dataNode->extendedAttributes->{"HasNameGetter"} || $dataNode->extendedAttributes->{"HasOverridingNameGetter"}) {
push(@headerContent, "private:\n");
push(@headerContent, " static bool canGetItemsForName(JSC::ExecState*, $implClassName*, const JSC::Identifier&);\n");
push(@headerContent, " static JSC::JSValuePtr nameGetter(JSC::ExecState*, const JSC::Identifier&, const JSC::PropertySlot&);\n");
}
push(@headerContent, "};\n\n");
if ($dataNode->extendedAttributes->{"InlineGetOwnPropertySlot"}) {
push(@headerContent, "ALWAYS_INLINE bool ${className}::getOwnPropertySlot(JSC::ExecState* exec, const JSC::Identifier& propertyName, JSC::PropertySlot& slot)\n");
push(@headerContent, "{\n");
push(@headerContent, GenerateGetOwnPropertySlotBody($dataNode, $interfaceName, $className, $implClassName, $numAttributes > 0, 1));
push(@headerContent, "}\n\n");
}
if (!$hasParent || $dataNode->extendedAttributes->{"GenerateToJS"}) {
if ($podType) {
push(@headerContent, "JSC::JSValuePtr toJS(JSC::ExecState*, JSSVGPODTypeWrapper<$podType>*, SVGElement* context);\n");
} elsif (IsSVGTypeNeedingContextParameter($implClassName)) {
push(@headerContent, "JSC::JSValuePtr toJS(JSC::ExecState*, $implType*, SVGElement* context);\n");
} else {
push(@headerContent, "JSC::JSValuePtr toJS(JSC::ExecState*, $implType*);\n");
}
# Resolve ambiguity with EventTarget that otherwise exists.
if ($interfaceName eq "Node") {
push(@headerContent, "inline JSC::JSValuePtr toJS(JSC::ExecState* exec, EventTargetNode* node) { return toJS(exec, static_cast<Node*>(node)); }\n");
}
}
if (!$hasParent || $dataNode->extendedAttributes->{"GenerateNativeConverter"}) {
if ($podType) {
push(@headerContent, "$podType to${interfaceName}(JSC::JSValuePtr);\n");
} elsif ($interfaceName eq "NodeFilter") {
push(@headerContent, "PassRefPtr<NodeFilter> toNodeFilter(JSC::JSValuePtr);\n");
} else {
push(@headerContent, "$implClassName* to${interfaceName}(JSC::JSValuePtr);\n");
}
if ($interfaceName eq "Node" or $interfaceName eq "Element" or $interfaceName eq "Text") {
push(@headerContent, "JSC::JSValuePtr toJSNewlyCreated(JSC::ExecState*, $interfaceName*);\n");
}
}
push(@headerContent, "\n");
# Add prototype declaration.
push(@headerContent, "class ${className}Prototype : public JSC::JSObject {\n");
push(@headerContent, "public:\n");
if ($interfaceName eq "DOMWindow") {
push(@headerContent, " void* operator new(size_t);\n");
} elsif ($interfaceName eq "WorkerContext") {
push(@headerContent, " void* operator new(size_t, JSC::JSGlobalData*);\n");
} else {
push(@headerContent, " static JSC::JSObject* self(JSC::ExecState*);\n");
}
push(@headerContent, " virtual const JSC::ClassInfo* classInfo() const { return &s_info; }\n");
push(@headerContent, " static const JSC::ClassInfo s_info;\n");
if ($numFunctions > 0 || $numConstants > 0) {
push(@headerContent, " virtual bool getOwnPropertySlot(JSC::ExecState*, const JSC::Identifier&, JSC::PropertySlot&);\n");
push(@headerContent,
" static PassRefPtr<JSC::Structure> createStructure(JSC::JSValuePtr prototype)\n" .
" {\n" .
" return JSC::Structure::create(prototype, JSC::TypeInfo(JSC::ObjectType));\n" .
" }\n");
}
push(@headerContent, " ${className}Prototype(PassRefPtr<JSC::Structure> structure) : JSC::JSObject(structure) { }\n");
push(@headerContent, "};\n\n");
if ($numFunctions > 0) {
push(@headerContent,"// Functions\n\n");
foreach my $function (@{$dataNode->functions}) {
my $functionName = $codeGenerator->WK_lcfirst($className) . "PrototypeFunction" . $codeGenerator->WK_ucfirst($function->signature->name);
push(@headerContent, "JSC::JSValuePtr ${functionName}(JSC::ExecState*, JSC::JSObject*, JSC::JSValuePtr, const JSC::ArgList&);\n");
}
}
if ($numAttributes > 0 || $dataNode->extendedAttributes->{"GenerateConstructor"}) {
push(@headerContent,"// Attributes\n\n");
foreach my $attribute (@{$dataNode->attributes}) {
my $getter = "js" . $interfaceName . $codeGenerator->WK_ucfirst($attribute->signature->name) . ($attribute->signature->type =~ /Constructor$/ ? "Constructor" : "");
push(@headerContent, "JSC::JSValuePtr ${getter}(JSC::ExecState*, const JSC::Identifier&, const JSC::PropertySlot&);\n");
unless ($attribute->type =~ /readonly/) {
my $setter = "setJS" . $interfaceName . $codeGenerator->WK_ucfirst($attribute->signature->name) . ($attribute->signature->type =~ /Constructor$/ ? "Constructor" : "");
push(@headerContent, "void ${setter}(JSC::ExecState*, JSC::JSObject*, JSC::JSValuePtr);\n");
}
}
if ($dataNode->extendedAttributes->{"GenerateConstructor"}) {
my $getter = "js" . $interfaceName . "Constructor";
push(@headerContent, "JSC::JSValuePtr ${getter}(JSC::ExecState*, const JSC::Identifier&, const JSC::PropertySlot&);\n");
}
}
if ($numConstants > 0) {
push(@headerContent,"// Constants\n\n");
foreach my $constant (@{$dataNode->constants}) {
my $getter = "js" . $interfaceName . $codeGenerator->WK_ucfirst($constant->name);
push(@headerContent, "JSC::JSValuePtr ${getter}(JSC::ExecState*, const JSC::Identifier&, const JSC::PropertySlot&);\n");
}
}
push(@headerContent, "\n} // namespace WebCore\n\n");
push(@headerContent, "#endif // ${conditionalString}\n\n") if $conditional;
push(@headerContent, "#endif\n");
}
sub GenerateImplementation
{
my ($object, $dataNode) = @_;
my $interfaceName = $dataNode->name;
my $className = "JS$interfaceName";
my $implClassName = $interfaceName;
my $hasLegacyParent = $dataNode->extendedAttributes->{"LegacyParent"};
my $hasRealParent = @{$dataNode->parents} > 0;
my $hasParent = $hasLegacyParent || $hasRealParent;
my $parentClassName = GetParentClassName($dataNode);
my $conditional = $dataNode->extendedAttributes->{"Conditional"};
my $visibleClassName = GetVisibleClassName($interfaceName);
# - Add default header template
@implContentHeader = split("\r", $headerTemplate);
push(@implContentHeader, "\n#include \"config.h\"\n\n");
my $conditionalString;
if ($conditional) {
$conditionalString = "ENABLE(" . join(") && ENABLE(", split(/&/, $conditional)) . ")";
push(@implContentHeader, "\n#if ${conditionalString}\n\n");
}
if ($className =~ /^JSSVG/) {
push(@implContentHeader, "#include \"SVGElement.h\"\n");
if ($className =~ /^JSSVGAnimated/) {
AddIncludesForSVGAnimatedType($interfaceName);
}
}
push(@implContentHeader, "#include \"$className.h\"\n\n");
push(@implContentHeader, "#include <wtf/GetPtr.h>\n\n");
push(@implContentHeader, "#include <runtime/PropertyNameArray.h>\n") if $dataNode->extendedAttributes->{"HasIndexGetter"} || $dataNode->extendedAttributes->{"HasCustomIndexGetter"};
AddIncludesForType($interfaceName);
@implContent = ();
push(@implContent, "\nusing namespace JSC;\n\n");
push(@implContent, "namespace WebCore {\n\n");
push(@implContent, "ASSERT_CLASS_FITS_IN_CELL($className)\n\n");
# - Add all attributes in a hashtable definition
my $numAttributes = @{$dataNode->attributes};
$numAttributes++ if $dataNode->extendedAttributes->{"GenerateConstructor"};
if ($numAttributes > 0) {
my $hashSize = $numAttributes;
my $hashName = $className . "Table";
my @hashKeys = ();
my @hashSpecials = ();
my @hashValue1 = ();
my @hashValue2 = ();
my @entries = ();
foreach my $attribute (@{$dataNode->attributes}) {
my $name = $attribute->signature->name;
push(@hashKeys, $name);
my @specials = ();
push(@specials, "DontDelete") unless $attribute->signature->extendedAttributes->{"Deletable"};
push(@specials, "DontEnum") if $attribute->signature->extendedAttributes->{"DontEnum"};
push(@specials, "ReadOnly") if $attribute->type =~ /readonly/;
my $special = (@specials > 0) ? join("|", @specials) : "0";
push(@hashSpecials, $special);
my $getter = "js" . $interfaceName . $codeGenerator->WK_ucfirst($attribute->signature->name) . ($attribute->signature->type =~ /Constructor$/ ? "Constructor" : "");
push(@hashValue1, $getter);
if ($attribute->type =~ /readonly/) {
push(@hashValue2, "0");
} else {
my $setter = "setJS" . $interfaceName . $codeGenerator->WK_ucfirst($attribute->signature->name) . ($attribute->signature->type =~ /Constructor$/ ? "Constructor" : "");
push(@hashValue2, $setter);
}
}
if ($dataNode->extendedAttributes->{"GenerateConstructor"}) {
push(@hashKeys, "constructor");
my $getter = "js" . $interfaceName . "Constructor";
push(@hashValue1, $getter);
push(@hashValue2, "0");
push(@hashSpecials, "DontEnum|ReadOnly"); # FIXME: Setting the constructor should be possible.
}
$object->GenerateHashTable($hashName, $hashSize,
\@hashKeys, \@hashSpecials,
\@hashValue1, \@hashValue2);
}
my $numConstants = @{$dataNode->constants};
my $numFunctions = @{$dataNode->functions};
# - Add all constants
if ($dataNode->extendedAttributes->{"GenerateConstructor"}) {
$hashSize = $numConstants;
$hashName = $className . "ConstructorTable";
@hashKeys = ();
@hashValue1 = ();
@hashValue2 = ();
@hashSpecials = ();
# FIXME: we should not need a function for every constant.
foreach my $constant (@{$dataNode->constants}) {
push(@hashKeys, $constant->name);
my $getter = "js" . $interfaceName . $codeGenerator->WK_ucfirst($constant->name);
push(@hashValue1, $getter);
push(@hashValue2, "0");
push(@hashSpecials, "DontDelete|ReadOnly");
}
$object->GenerateHashTable($hashName, $hashSize,
\@hashKeys, \@hashSpecials,
\@hashValue1, \@hashValue2);
my $protoClassName;
$protoClassName = "${className}Prototype";
push(@implContent, constructorFor($className, $protoClassName, $interfaceName, $visibleClassName, $dataNode->extendedAttributes->{"CanBeConstructed"}));
}
# - Add functions and constants to a hashtable definition
$hashSize = $numFunctions + $numConstants;
$hashName = $className . "PrototypeTable";
@hashKeys = ();
@hashValue1 = ();
@hashValue2 = ();
@hashSpecials = ();
# FIXME: we should not need a function for every constant.
foreach my $constant (@{$dataNode->constants}) {
push(@hashKeys, $constant->name);
my $getter = "js" . $interfaceName . $codeGenerator->WK_ucfirst($constant->name);
push(@hashValue1, $getter);
push(@hashValue2, "0");
push(@hashSpecials, "DontDelete|ReadOnly");
}
foreach my $function (@{$dataNode->functions}) {
my $name = $function->signature->name;
push(@hashKeys, $name);
my $value = $codeGenerator->WK_lcfirst($className) . "PrototypeFunction" . $codeGenerator->WK_ucfirst($name);
push(@hashValue1, $value);
my $numParameters = @{$function->parameters};
push(@hashValue2, $numParameters);
my @specials = ();
push(@specials, "DontDelete") unless $function->signature->extendedAttributes->{"Deletable"};
push(@specials, "DontEnum") if $function->signature->extendedAttributes->{"DontEnum"};
push(@specials, "Function");
my $special = (@specials > 0) ? join("|", @specials) : "0";
push(@hashSpecials, $special);
}
$object->GenerateHashTable($hashName, $hashSize,
\@hashKeys, \@hashSpecials,
\@hashValue1, \@hashValue2);
if ($dataNode->extendedAttributes->{"NoStaticTables"}) {
push(@implContent, "static const HashTable* get${className}PrototypeTable(ExecState* exec)\n");
push(@implContent, "{\n");
push(@implContent, " return getHashTableForGlobalData(exec->globalData(), &${className}PrototypeTable);\n");
push(@implContent, "}\n");
push(@implContent, "const ClassInfo ${className}Prototype::s_info = { \"${visibleClassName}Prototype\", 0, 0, get${className}PrototypeTable };\n\n");
} else {
push(@implContent, "const ClassInfo ${className}Prototype::s_info = { \"${visibleClassName}Prototype\", 0, &${className}PrototypeTable, 0 };\n\n");
}
if ($interfaceName eq "DOMWindow") {
push(@implContent, "void* ${className}Prototype::operator new(size_t size)\n");
push(@implContent, "{\n");
push(@implContent, " return JSDOMWindow::commonJSGlobalData()->heap.allocate(size);\n");
push(@implContent, "}\n\n");
} elsif ($interfaceName eq "WorkerContext") {
push(@implContent, "void* ${className}Prototype::operator new(size_t size, JSGlobalData* globalData)\n");
push(@implContent, "{\n");
push(@implContent, " return globalData->heap.allocate(size);\n");
push(@implContent, "}\n\n");
} else {
push(@implContent, "JSObject* ${className}Prototype::self(ExecState* exec)\n");
push(@implContent, "{\n");
push(@implContent, " return getDOMPrototype<${className}>(exec);\n");
push(@implContent, "}\n\n");
}
if ($numConstants > 0 || $numFunctions > 0) {
push(@implContent, "bool ${className}Prototype::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)\n");
push(@implContent, "{\n");
if ($numConstants eq 0) {
push(@implContent, " return getStaticFunctionSlot<JSObject>(exec, " . prototypeHashTableAccessor($dataNode->extendedAttributes->{"NoStaticTables"}, $className) . ", this, propertyName, slot);\n");
} elsif ($numFunctions eq 0) {
push(@implContent, " return getStaticValueSlot<${className}Prototype, JSObject>(exec, " . prototypeHashTableAccessor($dataNode->extendedAttributes->{"NoStaticTables"}, $className) . ", this, propertyName, slot);\n");
} else {
push(@implContent, " return getStaticPropertySlot<${className}Prototype, JSObject>(exec, " . prototypeHashTableAccessor($dataNode->extendedAttributes->{"NoStaticTables"}, $className) . ", this, propertyName, slot);\n");
}
push(@implContent, "}\n\n");
}
# - Initialize static ClassInfo object
if ($numAttributes > 0 && $dataNode->extendedAttributes->{"NoStaticTables"}) {
push(@implContent, "static const HashTable* get${className}Table(ExecState* exec)\n");
push(@implContent, "{\n");
push(@implContent, " return getHashTableForGlobalData(exec->globalData(), &${className}Table);\n");
push(@implContent, "}\n");
}
push(@implContent, "const ClassInfo $className" . "::s_info = { \"${visibleClassName}\", ");
if ($hasParent) {
push(@implContent, "&" . $parentClassName . "::s_info, ");
} else {
push(@implContent, "0, ");
}
if ($numAttributes > 0 && !$dataNode->extendedAttributes->{"NoStaticTables"}) {
push(@implContent, "&${className}Table");
} else {
push(@implContent, "0");
}
if ($numAttributes > 0 && $dataNode->extendedAttributes->{"NoStaticTables"}) {
push(@implContent, ", get${className}Table ");
} else {
push(@implContent, ", 0 ");
}
push(@implContent, "};\n\n");
# Get correct pass/store types respecting PODType flag
my $podType = $dataNode->extendedAttributes->{"PODType"};
my $implType = $podType ? "JSSVGPODTypeWrapper<$podType> " : $implClassName;
my $needsSVGContext = IsSVGTypeNeedingContextParameter($implClassName);
my $parentNeedsSVGContext = ($needsSVGContext and $parentClassName =~ /SVG/);
# Constructor
if ($interfaceName eq "DOMWindow") {
AddIncludesForType("JSDOMWindowShell");
push(@implContent, "${className}::$className(PassRefPtr<Structure> structure, PassRefPtr<$implType> impl, JSDOMWindowShell* shell)\n");
push(@implContent, " : $parentClassName(structure, impl, shell)\n");
} else {
push(@implContent, "${className}::$className(PassRefPtr<Structure> structure, PassRefPtr<$implType> impl" . ($needsSVGContext ? ", SVGElement* context" : "") . ")\n");
if ($hasParent) {
push(@implContent, " : $parentClassName(structure, impl" . ($parentNeedsSVGContext ? ", context" : "") . ")\n");
} else {
push(@implContent, " : $parentClassName(structure)\n");
push(@implContent, " , m_context(context)\n") if $needsSVGContext;
push(@implContent, " , m_impl(impl)\n");
}
}
push(@implContent, "{\n");
push(@implContent, "}\n\n");
# Destructor
if (!$hasParent) {
push(@implContent, "${className}::~$className()\n");
push(@implContent, "{\n");
if ($interfaceName eq "Node") {
push(@implContent, " forgetDOMNode(m_impl->document(), m_impl.get());\n");
} else {
if ($podType) {
my $animatedType = $implClassName;
$animatedType =~ s/SVG/SVGAnimated/;
# Special case for JSSVGNumber
if ($codeGenerator->IsSVGAnimatedType($animatedType) and $podType ne "float") {
push(@implContent, " JSSVGDynamicPODTypeWrapperCache<$podType, $animatedType>::forgetWrapper(m_impl.get());\n");
}
}
push(@implContent, " forgetDOMObject(*Heap::heap(this)->globalData(), m_impl.get());\n");
}
push(@implContent, "\n}\n\n");
}
# Document needs a special destructor because it's a special case for caching. It needs
# its own special handling rather than relying on the caching that Node normally does.
if ($interfaceName eq "Document") {
push(@implContent, "${className}::~$className()\n");
push(@implContent, "{\n forgetDOMObject(*Heap::heap(this)->globalData(), static_cast<${implClassName}*>(impl()));\n}\n\n");
}
if (!$dataNode->extendedAttributes->{"ExtendsDOMGlobalObject"}) {
push(@implContent, "JSObject* ${className}::createPrototype(ExecState* exec)\n");
push(@implContent, "{\n");
if ($hasParent && $parentClassName ne "JSC::DOMNodeFilter") {
push(@implContent, " return new (exec) ${className}Prototype(${className}Prototype::createStructure(${parentClassName}Prototype::self(exec)));\n");
} else {
push(@implContent, " return new (exec) ${className}Prototype(${className}Prototype::createStructure(exec->lexicalGlobalObject()->objectPrototype()));\n");
}
push(@implContent, "}\n\n");
}
my $hasGetter = $numAttributes > 0
|| $dataNode->extendedAttributes->{"GenerateConstructor"}
|| $dataNode->extendedAttributes->{"HasIndexGetter"}
|| $dataNode->extendedAttributes->{"HasCustomIndexGetter"}
|| $dataNode->extendedAttributes->{"CustomGetOwnPropertySlot"}
|| $dataNode->extendedAttributes->{"HasNameGetter"}
|| $dataNode->extendedAttributes->{"HasOverridingNameGetter"};
# Attributes
if ($hasGetter) {
if (!$dataNode->extendedAttributes->{"InlineGetOwnPropertySlot"}) {
push(@implContent, "bool ${className}::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)\n");
push(@implContent, "{\n");
push(@implContent, GenerateGetOwnPropertySlotBody($dataNode, $interfaceName, $className, $implClassName, $numAttributes > 0, 0));
push(@implContent, "}\n\n");
}
if (($dataNode->extendedAttributes->{"HasIndexGetter"} || $dataNode->extendedAttributes->{"HasCustomIndexGetter"})
&& !$dataNode->extendedAttributes->{"HasOverridingNameGetter"}) {
push(@implContent, "bool ${className}::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot)\n");
push(@implContent, "{\n");
push(@implContent, " if (propertyName < static_cast<$implClassName*>(impl())->length()) {\n");
if ($dataNode->extendedAttributes->{"HasCustomIndexGetter"}) {
push(@implContent, " slot.setValue(getByIndex(exec, propertyName));\n");
} else {
push(@implContent, " slot.setCustomIndex(this, propertyName, indexGetter);\n");
}
push(@implContent, " return true;\n");
push(@implContent, " }\n");
push(@implContent, " return getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot);\n");
push(@implContent, "}\n\n");
}
if ($numAttributes > 0) {
foreach my $attribute (@{$dataNode->attributes}) {
my $name = $attribute->signature->name;
my $type = $codeGenerator->StripModule($attribute->signature->type);
my $getFunctionName = "js" . $interfaceName . $codeGenerator->WK_ucfirst($attribute->signature->name) . ($attribute->signature->type =~ /Constructor$/ ? "Constructor" : "");
my $implGetterFunctionName = $codeGenerator->WK_lcfirst($name);
push(@implContent, "JSValuePtr ${getFunctionName}(ExecState* exec, const Identifier&, const PropertySlot& slot)\n");
push(@implContent, "{\n");
my $implClassNameForValueConversion = "";
if (!$podType and ($codeGenerator->IsSVGAnimatedType($implClassName) or $attribute->type !~ /^readonly/)) {
$implClassNameForValueConversion = $implClassName;
}
if ($dataNode->extendedAttributes->{"CheckDomainSecurity"} &&
!$attribute->signature->extendedAttributes->{"DoNotCheckDomainSecurity"} &&
!$attribute->signature->extendedAttributes->{"DoNotCheckDomainSecurityOnGet"}) {
push(@implContent, " if (!static_cast<$className*>(asObject(slot.slotBase()))->allowsAccessFrom(exec))\n");
push(@implContent, " return jsUndefined();\n");
}
if ($attribute->signature->extendedAttributes->{"Custom"} || $attribute->signature->extendedAttributes->{"CustomGetter"}) {
push(@implContent, " return static_cast<$className*>(asObject(slot.slotBase()))->$implGetterFunctionName(exec);\n");
} elsif ($attribute->signature->extendedAttributes->{"CheckNodeSecurity"}) {
$implIncludes{"JSDOMBinding.h"} = 1;
push(@implContent, " $implClassName* imp = static_cast<$implClassName*>(static_cast<$className*>(asObject(slot.slotBase()))->impl());\n");
push(@implContent, " return checkNodeSecurity(exec, imp->$implGetterFunctionName()) ? " . NativeToJSValue($attribute->signature, 0, $implClassName, $implClassNameForValueConversion, "imp->$implGetterFunctionName()", "static_cast<$className*>(asObject(slot.slotBase()))") . " : jsUndefined();\n");
} elsif ($attribute->signature->extendedAttributes->{"CheckFrameSecurity"}) {
$implIncludes{"Document.h"} = 1;
$implIncludes{"JSDOMBinding.h"} = 1;
push(@implContent, " $implClassName* imp = static_cast<$implClassName*>(static_cast<$className*>(asObject(slot.slotBase()))->impl());\n");
push(@implContent, " return checkNodeSecurity(exec, imp->contentDocument()) ? " . NativeToJSValue($attribute->signature, 0, $implClassName, $implClassNameForValueConversion, "imp->$implGetterFunctionName()", "static_cast<$className*>(asObject(slot.slotBase()))") . " : jsUndefined();\n");
} elsif ($type eq "EventListener") {
$implIncludes{"JSEventListener.h"} = 1;
$implIncludes{"EventListener.h"} = 1;
my $listenerType;
if ($attribute->signature->extendedAttributes->{"ProtectedListener"}) {
$listenerType = "JSEventListener";
} else {
$listenerType = "JSUnprotectedEventListener";
}
push(@implContent, " $implClassName* imp = static_cast<$implClassName*>(static_cast<$className*>(asObject(slot.slotBase()))->impl());\n");
push(@implContent, " if (${listenerType}* listener = static_cast<${listenerType}*>(imp->$implGetterFunctionName())) {\n");
push(@implContent, " if (JSObject* listenerObj = listener->listenerObj())\n");
push(@implContent, " return listenerObj;\n");
push(@implContent, " }\n");
push(@implContent, " return jsNull();\n");
} elsif ($attribute->signature->type =~ /Constructor$/) {
my $constructorType = $codeGenerator->StripModule($attribute->signature->type);
$constructorType =~ s/Constructor$//;
push(@implContent, " return JS" . $constructorType . "::getConstructor(exec);\n");
} elsif (!@{$attribute->getterExceptions}) {
if ($podType) {
push(@implContent, " $podType imp(*static_cast<$className*>(asObject(slot.slotBase()))->impl());\n");
if ($podType eq "float") { # Special case for JSSVGNumber
push(@implContent, " return " . NativeToJSValue($attribute->signature, 0, $implClassName, "", "imp", "static_cast<$className*>(asObject(slot.slotBase()))") . ";\n");
} else {
push(@implContent, " return " . NativeToJSValue($attribute->signature, 0, $implClassName, "", "imp.$implGetterFunctionName()", "static_cast<$className*>(asObject(slot.slotBase()))") . ";\n");
}
} else {
push(@implContent, " $implClassName* imp = static_cast<$implClassName*>(static_cast<$className*>(asObject(slot.slotBase()))->impl());\n");
my $jsType = NativeToJSValue($attribute->signature, 0, $implClassName, $implClassNameForValueConversion, "imp->$implGetterFunctionName()", "static_cast<$className*>(asObject(slot.slotBase()))");
if ($codeGenerator->IsSVGAnimatedType($type)) {
push(@implContent, " RefPtr<$type> obj = $jsType;\n");
push(@implContent, " return toJS(exec, obj.get(), imp);\n");
} else {
push(@implContent, " return $jsType;\n");
}
}
} else {
push(@implContent, " ExceptionCode ec = 0;\n");
if ($podType) {
push(@implContent, " $podType imp(*static_cast<$className*>(asObject(slot.slotBase()))->impl());\n");
push(@implContent, " JSC::JSValuePtr result = " . NativeToJSValue($attribute->signature, 0, $implClassName, "", "imp.$implGetterFunctionName(ec)", "static_cast<$className*>(asObject(slot.slotBase()))") . ";\n");
} else {
push(@implContent, " $implClassName* imp = static_cast<$implClassName*>(static_cast<$className*>(asObject(slot.slotBase()))->impl());\n");
push(@implContent, " JSC::JSValuePtr result = " . NativeToJSValue($attribute->signature, 0, $implClassName, $implClassNameForValueConversion, "imp->$implGetterFunctionName(ec)", "static_cast<$className*>(asObject(slot.slotBase()))") . ";\n");
}
push(@implContent, " setDOMException(exec, ec);\n");
push(@implContent, " return result;\n");
}
push(@implContent, "}\n\n");
}
if ($dataNode->extendedAttributes->{"GenerateConstructor"}) {
my $constructorFunctionName = "js" . $interfaceName . "Constructor";
push(@implContent, "JSValuePtr ${constructorFunctionName}(ExecState* exec, const Identifier&, const PropertySlot& slot)\n");
push(@implContent, "{\n");
push(@implContent, " return static_cast<$className*>(asObject(slot.slotBase()))->getConstructor(exec);\n");
push(@implContent, "}\n");
}
}
# Check if we have any writable attributes
my $hasReadWriteProperties = 0;
foreach my $attribute (@{$dataNode->attributes}) {
$hasReadWriteProperties = 1 if $attribute->type !~ /^readonly/;
}
my $hasSetter = $hasReadWriteProperties
|| $dataNode->extendedAttributes->{"CustomPutFunction"}
|| $dataNode->extendedAttributes->{"HasCustomIndexSetter"};
if ($hasSetter) {
push(@implContent, "void ${className}::put(ExecState* exec, const Identifier& propertyName, JSValuePtr value, PutPropertySlot& slot)\n");
push(@implContent, "{\n");
if ($dataNode->extendedAttributes->{"HasCustomIndexSetter"}) {
push(@implContent, " bool ok;\n");
push(@implContent, " unsigned index = propertyName.toUInt32(&ok, false);\n");
push(@implContent, " if (ok) {\n");
push(@implContent, " indexSetter(exec, index, value);\n");
push(@implContent, " return;\n");
push(@implContent, " }\n");
}
if ($dataNode->extendedAttributes->{"CustomPutFunction"}) {
push(@implContent, " if (customPut(exec, propertyName, value, slot))\n");
push(@implContent, " return;\n");
}
if ($hasReadWriteProperties) {
push(@implContent, " lookupPut<$className, Base>(exec, propertyName, value, " . hashTableAccessor($dataNode->extendedAttributes->{"NoStaticTables"}, $className) . ", this, slot);\n");
} else {
push(@implContent, " Base::put(exec, propertyName, value, slot);\n");
}
push(@implContent, "}\n\n");
if ($dataNode->extendedAttributes->{"HasCustomIndexSetter"}) {
push(@implContent, "void ${className}::put(ExecState* exec, unsigned propertyName, JSValuePtr value)\n");
push(@implContent, "{\n");
push(@implContent, " indexSetter(exec, propertyName, value);\n");
push(@implContent, " return;\n");
push(@implContent, "}\n\n");
}
if ($hasReadWriteProperties) {
foreach my $attribute (@{$dataNode->attributes}) {
if ($attribute->type !~ /^readonly/) {
my $name = $attribute->signature->name;
my $type = $codeGenerator->StripModule($attribute->signature->type);
my $putFunctionName = "setJS" . $interfaceName . $codeGenerator->WK_ucfirst($name) . ($attribute->signature->type =~ /Constructor$/ ? "Constructor" : "");
my $implSetterFunctionName = $codeGenerator->WK_ucfirst($name);
push(@implContent, "void ${putFunctionName}(ExecState* exec, JSObject* thisObject, JSValuePtr value)\n");
push(@implContent, "{\n");
if ($dataNode->extendedAttributes->{"CheckDomainSecurity"} && !$attribute->signature->extendedAttributes->{"DoNotCheckDomainSecurity"}) {
if ($interfaceName eq "DOMWindow") {
push(@implContent, " if (!static_cast<$className*>(thisObject)->allowsAccessFrom(exec))\n");
} else {
push(@implContent, " if (!allowsAccessFromFrame(exec, static_cast<$className*>(thisObject)->impl()->frame()))\n");
}
push(@implContent, " return;\n");
}
if ($attribute->signature->extendedAttributes->{"Custom"} || $attribute->signature->extendedAttributes->{"CustomSetter"}) {
push(@implContent, " static_cast<$className*>(thisObject)->set$implSetterFunctionName(exec, value);\n");
} elsif ($type eq "EventListener") {
$implIncludes{"JSEventListener.h"} = 1;
push(@implContent, " $implClassName* imp = static_cast<$implClassName*>(static_cast<$className*>(thisObject)->impl());\n");
my $listenerType;
if ($attribute->signature->extendedAttributes->{"ProtectedListener"}) {
$listenerType = "JSEventListener";
} else {
$listenerType = "JSUnprotectedEventListener";
}
if ($dataNode->extendedAttributes->{"ExtendsDOMGlobalObject"}) {
push(@implContent, " JSDOMGlobalObject* globalObject = static_cast<$className*>(thisObject);\n");
} else {
$implIncludes{"Frame.h"} = 1;
$implIncludes{"JSDOMGlobalObject.h"} = 1;
push(@implContent, " JSDOMGlobalObject* globalObject = toJSDOMGlobalObject(imp->scriptExecutionContext());\n");
push(@implContent, " if (!globalObject)\n");
push(@implContent, " return;\n");
}
push(@implContent, " imp->set$implSetterFunctionName(globalObject->findOrCreate${listenerType}(exec, value, true));\n");
} elsif ($attribute->signature->type =~ /Constructor$/) {
my $constructorType = $attribute->signature->type;
$constructorType =~ s/Constructor$//;
$implIncludes{"JS" . $constructorType . ".h"} = 1;
push(@implContent, " // Shadowing a built-in constructor\n");
push(@implContent, " static_cast<$className*>(thisObject)->putDirect(Identifier(exec, \"$name\"), value);\n");
} elsif ($attribute->signature->extendedAttributes->{"Replaceable"}) {
push(@implContent, " static_cast<$className*>(thisObject)->putDirect(Identifier(exec, \"$name\"), value);\n");
} else {
if ($podType) {
push(@implContent, " $podType imp(*static_cast<$className*>(thisObject)->impl());\n");
if ($podType eq "float") { # Special case for JSSVGNumber
push(@implContent, " imp = " . JSValueToNative($attribute->signature, "value") . ";\n");
} else {
push(@implContent, " imp.set$implSetterFunctionName(" . JSValueToNative($attribute->signature, "value") . ");\n");
}
push(@implContent, " static_cast<$className*>(thisObject)->impl()->commitChange(imp, static_cast<$className*>(thisObject)->context());\n");
} else {
push(@implContent, " $implClassName* imp = static_cast<$implClassName*>(static_cast<$className*>(thisObject)->impl());\n");
push(@implContent, " ExceptionCode ec = 0;\n") if @{$attribute->setterExceptions};
push(@implContent, " imp->set$implSetterFunctionName(" . JSValueToNative($attribute->signature, "value"));
push(@implContent, ", ec") if @{$attribute->setterExceptions};
push(@implContent, ");\n");
push(@implContent, " setDOMException(exec, ec);\n") if @{$attribute->setterExceptions};
if (IsSVGTypeNeedingContextParameter($implClassName)) {
push(@implContent, " if (static_cast<$className*>(thisObject)->context())\n");
push(@implContent, " static_cast<$className*>(thisObject)->context()->svgAttributeChanged(static_cast<$className*>(thisObject)->impl()->associatedAttributeName());\n");
}
}
}
push(@implContent, "}\n\n");
}
}
}
}
}
if ($dataNode->extendedAttributes->{"CustomGetPropertyNames"} || $dataNode->extendedAttributes->{"HasIndexGetter"} || $dataNode->extendedAttributes->{"HasCustomIndexGetter"}) {
push(@implContent, "void ${className}::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames)\n");
push(@implContent, "{\n");
if ($dataNode->extendedAttributes->{"CustomGetPropertyNames"}) {
push(@implContent, " if (customGetPropertyNames(exec, propertyNames))\n");
push(@implContent, " return;\n");
}
if ($dataNode->extendedAttributes->{"HasIndexGetter"} || $dataNode->extendedAttributes->{"HasCustomIndexGetter"}) {
push(@implContent, " for (unsigned i = 0; i < static_cast<${implClassName}*>(impl())->length(); ++i)\n");
push(@implContent, " propertyNames.add(Identifier::from(exec, i));\n");
}
push(@implContent, " Base::getPropertyNames(exec, propertyNames);\n");
push(@implContent, "}\n\n");
}
if ($dataNode->extendedAttributes->{"GenerateConstructor"}) {
push(@implContent, "JSValuePtr ${className}::getConstructor(ExecState* exec)\n{\n");
push(@implContent, " return getDOMConstructor<${className}Constructor>(exec);\n");
push(@implContent, "}\n\n");
}
# Functions
if ($numFunctions > 0) {
foreach my $function (@{$dataNode->functions}) {
AddIncludesForType($function->signature->type);
my $functionName = $codeGenerator->WK_lcfirst($className) . "PrototypeFunction" . $codeGenerator->WK_ucfirst($function->signature->name);
my $functionImplementationName = $function->signature->extendedAttributes->{"ImplementationFunction"} || $codeGenerator->WK_lcfirst($function->signature->name);
push(@implContent, "JSValuePtr ${functionName}(ExecState* exec, JSObject*, JSValuePtr thisValue, const ArgList& args)\n");
push(@implContent, "{\n");
$implKJSInclude{"Error.h"} = 1;
if ($interfaceName eq "DOMWindow") {
push(@implContent, " $className* castedThisObj = toJSDOMWindow(thisValue);\n");
push(@implContent, " if (!castedThisObj)\n");
push(@implContent, " return throwError(exec, TypeError);\n");
} else {
push(@implContent, " if (!thisValue->isObject(&${className}::s_info))\n");
push(@implContent, " return throwError(exec, TypeError);\n");
push(@implContent, " $className* castedThisObj = static_cast<$className*>(asObject(thisValue));\n");
}
if ($dataNode->extendedAttributes->{"CheckDomainSecurity"} &&
!$function->signature->extendedAttributes->{"DoNotCheckDomainSecurity"}) {
push(@implContent, " if (!castedThisObj->allowsAccessFrom(exec))\n");
push(@implContent, " return jsUndefined();\n");
}
if ($function->signature->extendedAttributes->{"Custom"}) {
push(@implContent, " return castedThisObj->" . $functionImplementationName . "(exec, args);\n");
} else {
if ($podType) {
push(@implContent, " JSSVGPODTypeWrapper<$podType>* wrapper = castedThisObj->impl();\n");
push(@implContent, " $podType imp(*wrapper);\n");
} else {
push(@implContent, " $implClassName* imp = static_cast<$implClassName*>(castedThisObj->impl());\n");
}
my $numParameters = @{$function->parameters};
if ($function->signature->extendedAttributes->{"RequiresAllArguments"}) {
push(@implContent, " if (args.size() < $numParameters)\n");
push(@implContent, " return jsUndefined();\n");
}
if (@{$function->raisesExceptions}) {
push(@implContent, " ExceptionCode ec = 0;\n");
}
if ($function->signature->extendedAttributes->{"SVGCheckSecurityDocument"}) {
push(@implContent, " if (!checkNodeSecurity(exec, imp->getSVGDocument(" . (@{$function->raisesExceptions} ? "ec" : "") .")))\n");
push(@implContent, " return jsUndefined();\n");
$implIncludes{"JSDOMBinding.h"} = 1;
}
my $paramIndex = 0;
my $functionString = "imp" . ($podType ? "." : "->") . $functionImplementationName . "(";
my $hasOptionalArguments = 0;
if ($function->signature->extendedAttributes->{"CustomArgumentHandling"}) {
push(@implContent, " ScriptCallStack callStack(exec, args, $numParameters);\n");
$implIncludes{"ScriptCallStack.h"} = 1;
}
foreach my $parameter (@{$function->parameters}) {
if (!$hasOptionalArguments && $parameter->extendedAttributes->{"Optional"}) {
push(@implContent, "\n int argsCount = args.size();\n");
$hasOptionalArguments = 1;
}
if ($hasOptionalArguments) {
push(@implContent, " if (argsCount < " . ($paramIndex + 1) . ") {\n");
GenerateImplementationFunctionCall($function, $functionString, $paramIndex, " " x 2, $podType, $implClassName);
push(@implContent, " }\n\n");
}
my $name = $parameter->name;
if ($parameter->type eq "XPathNSResolver") {
push(@implContent, " RefPtr<XPathNSResolver> customResolver;\n");
push(@implContent, " XPathNSResolver* resolver = toXPathNSResolver(args.at(exec, $paramIndex));\n");
push(@implContent, " if (!resolver) {\n");
push(@implContent, " customResolver = JSCustomXPathNSResolver::create(exec, args.at(exec, $paramIndex));\n");
push(@implContent, " if (exec->hadException())\n");
push(@implContent, " return jsUndefined();\n");
push(@implContent, " resolver = customResolver.get();\n");
push(@implContent, " }\n");
} else {
push(@implContent, " " . GetNativeTypeFromSignature($parameter) . " $name = " . JSValueToNative($parameter, "args.at(exec, $paramIndex)") . ";\n");
# If a parameter is "an index" and it's negative it should throw an INDEX_SIZE_ERR exception.
# But this needs to be done in the bindings, because the type is unsigned and the fact that it
# was negative will be lost by the time we're inside the DOM.
if ($parameter->extendedAttributes->{"IsIndex"}) {
$implIncludes{"ExceptionCode.h"} = 1;
push(@implContent, " if ($name < 0) {\n");
push(@implContent, " setDOMException(exec, INDEX_SIZE_ERR);\n");
push(@implContent, " return jsUndefined();\n");
push(@implContent, " }\n");
}
}
$functionString .= ", " if $paramIndex;
if ($parameter->type eq "NodeFilter") {
$functionString .= "$name.get()";
} else {
$functionString .= $name;
}
$paramIndex++;
}
push(@implContent, "\n");
GenerateImplementationFunctionCall($function, $functionString, $paramIndex, " ", $podType, $implClassName);
}
push(@implContent, "}\n\n");
}
}
if ($numConstants > 0) {
push(@implContent, "// Constant getters\n\n");
foreach my $constant (@{$dataNode->constants}) {
my $getter = "js" . $interfaceName . $codeGenerator->WK_ucfirst($constant->name);
# FIXME: this casts into int to match our previous behavior which turned 0xFFFFFFFF in -1 for NodeFilter.SHOW_ALL
push(@implContent, "JSValuePtr ${getter}(ExecState* exec, const Identifier&, const PropertySlot&)\n");
push(@implContent, "{\n");
push(@implContent, " return jsNumber(exec, static_cast<int>(" . $constant->value . "));\n");
push(@implContent, "}\n\n");
}
}
if ($dataNode->extendedAttributes->{"HasIndexGetter"}) {
push(@implContent, "\nJSValuePtr ${className}::indexGetter(ExecState* exec, const Identifier& propertyName, const PropertySlot& slot)\n");
push(@implContent, "{\n");
push(@implContent, " ${className}* thisObj = static_cast<$className*>(asObject(slot.slotBase()));\n");
if (IndexGetterReturnsStrings($implClassName)) {
$implIncludes{"KURL.h"} = 1;
push(@implContent, " return jsStringOrNull(exec, thisObj->impl()->item(slot.index()));\n");
} else {
push(@implContent, " return toJS(exec, static_cast<$implClassName*>(thisObj->impl())->item(slot.index()));\n");
}
push(@implContent, "}\n");
if ($interfaceName eq "HTMLCollection") {
$implIncludes{"JSNode.h"} = 1;
$implIncludes{"Node.h"} = 1;
}
}
if ((!$hasParent or $dataNode->extendedAttributes->{"GenerateToJS"}) and !UsesManualToJSImplementation($implClassName)) {
if ($podType) {
push(@implContent, "JSC::JSValuePtr toJS(JSC::ExecState* exec, JSSVGPODTypeWrapper<$podType>* object, SVGElement* context)\n");
} elsif (IsSVGTypeNeedingContextParameter($implClassName)) {
push(@implContent, "JSC::JSValuePtr toJS(JSC::ExecState* exec, $implType* object, SVGElement* context)\n");
} else {
push(@implContent, "JSC::JSValuePtr toJS(JSC::ExecState* exec, $implType* object)\n");
}
push(@implContent, "{\n");
if ($podType) {
push(@implContent, " return getDOMObjectWrapper<$className, JSSVGPODTypeWrapper<$podType> >(exec, object, context);\n");
} elsif (IsSVGTypeNeedingContextParameter($implClassName)) {
push(@implContent, " return getDOMObjectWrapper<$className>(exec, object, context);\n");
} else {
push(@implContent, " return getDOMObjectWrapper<$className>(exec, object);\n");
}
push(@implContent, "}\n");
}
if ((!$hasParent or $dataNode->extendedAttributes->{"GenerateNativeConverter"}) and !$dataNode->extendedAttributes->{"CustomNativeConverter"}) {
if ($podType) {
push(@implContent, "$podType to${interfaceName}(JSC::JSValuePtr value)\n");
} else {
push(@implContent, "$implClassName* to${interfaceName}(JSC::JSValuePtr value)\n");
}
push(@implContent, "{\n");
push(@implContent, " return value->isObject(&${className}::s_info) ? " . ($podType ? "($podType) *" : "") . "static_cast<$className*>(asObject(value))->impl() : ");
if ($podType and $podType ne "float") {
push(@implContent, "$podType();\n}\n");
} else {
push(@implContent, "0;\n}\n");
}
}
push(@implContent, "\n}\n");
push(@implContent, "\n#endif // ${conditionalString}\n") if $conditional;
}
sub GenerateImplementationFunctionCall()
{
my $function = shift;
my $functionString = shift;
my $paramIndex = shift;
my $indent = shift;
my $podType = shift;
my $implClassName = shift;
if ($function->signature->extendedAttributes->{"CustomArgumentHandling"}) {
$functionString .= ", " if $paramIndex;
++$paramIndex;
$functionString .= "&callStack";
}
if (@{$function->raisesExceptions}) {
$functionString .= ", " if $paramIndex;
$functionString .= "ec";
}
$functionString .= ")";
if ($function->signature->type eq "void") {
push(@implContent, $indent . "$functionString;\n");
push(@implContent, $indent . "setDOMException(exec, ec);\n") if @{$function->raisesExceptions};
if ($podType) {
push(@implContent, $indent . "wrapper->commitChange(imp, castedThisObj->context());\n");
}
push(@implContent, $indent . "return jsUndefined();\n");
} else {
push(@implContent, "\n" . $indent . "JSC::JSValuePtr result = " . NativeToJSValue($function->signature, 1, $implClassName, "", $functionString, "castedThisObj") . ";\n");
push(@implContent, $indent . "setDOMException(exec, ec);\n") if @{$function->raisesExceptions};
if ($podType) {
push(@implContent, $indent . "wrapper->commitChange(imp, castedThisObj->context());\n");
}
push(@implContent, $indent . "return result;\n");
}
}
sub GetNativeTypeFromSignature
{
my $signature = shift;
my $type = $codeGenerator->StripModule($signature->type);
if ($type eq "unsigned long" and $signature->extendedAttributes->{"IsIndex"}) {
# Special-case index arguments because we need to check that they aren't < 0.
return "int";
}
return GetNativeType($type);
}
my %nativeType = (
"CompareHow" => "Range::CompareHow",
"DOMString" => "const UString&",
"EventTarget" => "EventTargetNode*",
"NodeFilter" => "RefPtr<NodeFilter>",
"SVGLength" => "SVGLength",
"SVGMatrix" => "TransformationMatrix",
"SVGNumber" => "float",
"SVGPaintType" => "SVGPaint::SVGPaintType",
"SVGPoint" => "FloatPoint",
"SVGRect" => "FloatRect",
"SVGTransform" => "SVGTransform",
"boolean" => "bool",
"double" => "double",
"float" => "float",
"long" => "int",
"unsigned long" => "unsigned",
"unsigned short" => "unsigned short",
);
sub GetNativeType
{
my $type = shift;
return $nativeType{$type} if exists $nativeType{$type};
# For all other types, the native type is a pointer with same type name as the IDL type.
return "${type}*";
}
sub JSValueToNative
{
my $signature = shift;
my $value = shift;
my $type = $codeGenerator->StripModule($signature->type);
return "$value->toBoolean(exec)" if $type eq "boolean";
return "$value->toNumber(exec)" if $type eq "double";
return "$value->toFloat(exec)" if $type eq "float" or $type eq "SVGNumber";
return "$value->toInt32(exec)" if $type eq "unsigned long" or $type eq "long" or $type eq "unsigned short";
return "static_cast<Range::CompareHow>($value->toInt32(exec))" if $type eq "CompareHow";
return "static_cast<SVGPaint::SVGPaintType>($value->toInt32(exec))" if $type eq "SVGPaintType";
if ($type eq "DOMString") {
return "valueToStringWithNullCheck(exec, $value)" if $signature->extendedAttributes->{"ConvertNullToNullString"};
return "valueToStringWithUndefinedOrNullCheck(exec, $value)" if $signature->extendedAttributes->{"ConvertUndefinedOrNullToNullString"};
return "$value->toString(exec)";
}
if ($type eq "EventTarget") {
$implIncludes{"JSEventTargetNode.h"} = 1;
return "toEventTargetNode($value)";
}
$implIncludes{"FloatPoint.h"} = 1 if $type eq "SVGPoint";
$implIncludes{"FloatRect.h"} = 1 if $type eq "SVGRect";
$implIncludes{"HTMLOptionElement.h"} = 1 if $type eq "HTMLOptionElement";
$implIncludes{"JSCustomVoidCallback.h"} = 1 if $type eq "VoidCallback";
$implIncludes{"Event.h"} = 1 if $type eq "Event";
# Default, assume autogenerated type conversion routines
$implIncludes{"JS$type.h"} = 1;
return "to$type($value)";
}
sub NativeToJSValue
{
my $signature = shift;
my $inFunctionCall = shift;
my $implClassName = shift;
my $implClassNameForValueConversion = shift;
my $value = shift;
my $thisValue = shift;
my $type = $codeGenerator->StripModule($signature->type);
return "jsBoolean($value)" if $type eq "boolean";
if ($codeGenerator->IsPrimitiveType($type) or $type eq "SVGPaintType" or $type eq "DOMTimeStamp") {
$implKJSInclude{"JSNumberCell.h"} = 1;
return "jsNumber(exec, $value)";
}
if ($codeGenerator->IsStringType($type)) {
$implIncludes{"KURL.h"} = 1;
my $conv = $signature->extendedAttributes->{"ConvertNullStringTo"};
if (defined $conv) {
return "jsStringOrNull(exec, $value)" if $conv eq "Null";
return "jsStringOrUndefined(exec, $value)" if $conv eq "Undefined";
return "jsStringOrFalse(exec, $value)" if $conv eq "False";
die "Unknown value for ConvertNullStringTo extended attribute";
}
$implKJSInclude{"JSString.h"} = 1;
return "jsString(exec, $value)";
}
if ($type eq "RGBColor") {
$implIncludes{"JS$type.h"} = 1;
return "getJSRGBColor(exec, $value)";
}
if ($codeGenerator->IsPodType($type)) {
$implIncludes{"JS$type.h"} = 1;
my $nativeType = GetNativeType($type);
my $getter = $value;
$getter =~ s/imp->//;
$getter =~ s/\(\)//;
my $setter = "set" . $codeGenerator->WK_ucfirst($getter);
# Function calls will never return 'modifyable' POD types (ie. SVGRect getBBox()) - no need to keep track changes to the returned SVGRect
if ($inFunctionCall eq 0
and not $codeGenerator->IsSVGAnimatedType($implClassName)
and $codeGenerator->IsPodTypeWithWriteableProperties($type)
and not defined $signature->extendedAttributes->{"Immutable"}) {
if ($codeGenerator->IsPodType($implClassName)) {
return "toJS(exec, JSSVGStaticPODTypeWrapperWithPODTypeParent<$nativeType, $implClassName>::create($value, $thisValue->impl()).get(), $thisValue->context())";
} else {
return "toJS(exec, JSSVGStaticPODTypeWrapperWithParent<$nativeType, $implClassName>::create(imp, &${implClassName}::$getter, &${implClassName}::$setter).get(), imp)";
}
}
if ($implClassNameForValueConversion eq "") {
if (IsSVGTypeNeedingContextParameter($implClassName)) {
return "toJS(exec, JSSVGStaticPODTypeWrapper<$nativeType>::create($value).get(), castedThisObj->context())" if $inFunctionCall eq 1;
# Special case: SVGZoomEvent - it doesn't have a context, but it's no problem, as there are no readwrite props
return "toJS(exec, JSSVGStaticPODTypeWrapper<$nativeType>::create($value).get(), 0)" if $implClassName eq "SVGZoomEvent";
return "toJS(exec, JSSVGStaticPODTypeWrapper<$nativeType>::create($value).get(), $thisValue->context())";
} else {
return "toJS(exec, JSSVGStaticPODTypeWrapper<$nativeType>::create($value).get(), imp)";
}
} else { # These classes, always have a m_context pointer!
return "toJS(exec, JSSVGDynamicPODTypeWrapperCache<$nativeType, $implClassNameForValueConversion>::lookupOrCreateWrapper(imp, &${implClassNameForValueConversion}::$getter, &${implClassNameForValueConversion}::$setter).get(), $thisValue->context())";
}
}
if ($codeGenerator->IsSVGAnimatedType($type)) {
$value =~ s/\(\)//;
$value .= "Animated()";
}
if ($type eq "CSSStyleDeclaration") {
$implIncludes{"CSSMutableStyleDeclaration.h"} = 1;
}
if ($type eq "NamedNodeMap") {
$implIncludes{"NamedAttrMap.h"} = 1;
}
if ($type eq "NodeList") {
$implIncludes{"NameNodeList.h"} = 1;
}
if ($type eq "DOMObject") {
$implIncludes{"JSCanvasRenderingContext2D.h"} = 1;
} elsif ($type =~ /SVGPathSeg/) {
$implIncludes{"JS$type.h"} = 1;
$joinedName = $type;
$joinedName =~ s/Abs|Rel//;
$implIncludes{"$joinedName.h"} = 1;
} else {
# Default, include header with same name.
$implIncludes{"JS$type.h"} = 1;
$implIncludes{"$type.h"} = 1;
}
return $value if $codeGenerator->IsSVGAnimatedType($type);
if (IsSVGTypeNeedingContextParameter($type)) {
if (IsSVGTypeNeedingContextParameter($implClassName)) {
return "toJS(exec, WTF::getPtr($value), $thisValue->context())";
} else {
return "toJS(exec, WTF::getPtr($value), imp)";
}
}
if ($signature->extendedAttributes->{"ReturnsNew"}) {
return "toJSNewlyCreated(exec, WTF::getPtr($value))";
}
return "toJS(exec, WTF::getPtr($value))";
}
sub ceilingToPowerOf2
{
my ($size) = @_;
my $powerOf2 = 1;
while ($size > $powerOf2) {
$powerOf2 <<= 1;
}
return $powerOf2;
}
# Internal Helper
sub GenerateHashTable
{
my $object = shift;
my $name = shift;
my $size = shift;
my $keys = shift;
my $specials = shift;
my $value1 = shift;
my $value2 = shift;
# Generate size data for two hash tables
# - The 'perfect' size makes a table large enough for perfect hashing
# - The 'compact' size uses the legacy table format for smaller table sizes
# Perfect size
my @hashes = ();
foreach my $key (@{$keys}) {
push @hashes, $object->GenerateHashValue($key);
}
# Compact size
my @table = ();
my @links = ();
my $compactSize = ceilingToPowerOf2($size * 2);
my $maxDepth = 0;
my $collisions = 0;
my $numEntries = $compactSize;
my $i = 0;
foreach (@{$keys}) {
my $depth = 0;
my $h = $object->GenerateHashValue($_) % $numEntries;
while (defined($table[$h])) {
if (defined($links[$h])) {
$h = $links[$h];
$depth++;
} else {
$collisions++;
$links[$h] = $compactSize;
$h = $compactSize;
$compactSize++;
}
}
$table[$h] = $i;
$i++;
$maxDepth = $depth if ($depth > $maxDepth);
}
# Collect hashtable information
my $perfectSize;
tableSizeLoop:
for ($perfectSize = ceilingToPowerOf2(scalar @{$keys}); ; $perfectSize += $perfectSize) {
my @table = ();
my $i = 0;
foreach my $hash (@hashes) {
my $h = $hash % $perfectSize;
next tableSizeLoop if defined $table[$h];
$table[$h] = $i++;
}
last;
}
# Start outputing the hashtables
my $nameEntries = "${name}Values";
$nameEntries =~ s/:/_/g;
if (($name =~ /Prototype/) or ($name =~ /Constructor/)) {
my $type = $name;
my $implClass;
if ($name =~ /Prototype/) {
$type =~ s/Prototype.*//;
$implClass = $type; $implClass =~ s/Wrapper$//;
push(@implContent, "/* Hash table for prototype */\n");
} else {
$type =~ s/Constructor.*//;
$implClass = $type; $implClass =~ s/Constructor$//;
push(@implContent, "/* Hash table for constructor */\n");
}
} else {
push(@implContent, "/* Hash table */\n");
}
# Dump the hash table
my $count = scalar @{$keys} + 1;
push(@implContent, "\nstatic const HashTableValue $nameEntries\[$count\] =\n\{\n");
$i = 0;
foreach my $key (@{$keys}) {
push(@implContent, " { \"$key\", @$specials[$i], (intptr_t)@$value1[$i], (intptr_t)@$value2[$i] },\n");
++$i;
}
push(@implContent, " { 0, 0, 0, 0 }\n");
push(@implContent, "};\n\n");
my $perfectSizeMask = $perfectSize - 1;
my $compactSizeMask = $numEntries - 1;
push(@implContent, "static const HashTable $name =\n");
push(@implContent, "#if ENABLE(PERFECT_HASH_SIZE)\n");
push(@implContent, " { $perfectSizeMask, $nameEntries, 0 };\n");
push(@implContent, "#else\n");
push(@implContent, " { $compactSize, $compactSizeMask, $nameEntries, 0 };\n");
push(@implContent, "#endif\n\n");
}
# Internal helper
sub GenerateHashValue
{
my $object = shift;
@chars = split(/ */, $_[0]);
# This hash is designed to work on 16-bit chunks at a time. But since the normal case
# (above) is to hash UTF-16 characters, we just treat the 8-bit chars as if they
# were 16-bit chunks, which should give matching results
my $EXP2_32 = 4294967296;
my $hash = 0x9e3779b9;
my $l = scalar @chars; #I wish this was in Ruby --- Maks
my $rem = $l & 1;
$l = $l >> 1;
my $s = 0;
# Main loop
for (; $l > 0; $l--) {
$hash += ord($chars[$s]);
my $tmp = leftShift(ord($chars[$s+1]), 11) ^ $hash;
$hash = (leftShift($hash, 16)% $EXP2_32) ^ $tmp;
$s += 2;
$hash += $hash >> 11;
$hash %= $EXP2_32;
}
# Handle end case
if ($rem != 0) {
$hash += ord($chars[$s]);
$hash ^= (leftShift($hash, 11)% $EXP2_32);
$hash += $hash >> 17;
}
# Force "avalanching" of final 127 bits
$hash ^= leftShift($hash, 3);
$hash += ($hash >> 5);
$hash = ($hash% $EXP2_32);
$hash ^= (leftShift($hash, 2)% $EXP2_32);
$hash += ($hash >> 15);
$hash = $hash% $EXP2_32;
$hash ^= (leftShift($hash, 10)% $EXP2_32);
# this avoids ever returning a hash code of 0, since that is used to
# signal "hash not computed yet", using a value that is likely to be
# effectively the same as 0 when the low bits are masked
$hash = 0x80000000 if ($hash == 0);
return $hash;
}
# Internal helper
sub WriteData
{
if (defined($IMPL)) {
# Write content to file.
print $IMPL @implContentHeader;
foreach my $implInclude (sort keys(%implIncludes)) {
my $checkType = $implInclude;
$checkType =~ s/\.h//;
print $IMPL "#include \"$implInclude\"\n" unless $codeGenerator->IsSVGAnimatedType($checkType);
}
print $IMPL "\n";
foreach my $implKJSInclude (sort keys(%implKJSInclude)) {
print $IMPL "#include <runtime/$implKJSInclude>\n";
}
print $IMPL @implContent;
close($IMPL);
undef($IMPL);
@implContentHeader = ();
@implContent = ();
%implIncludes = ();
%implKJSIncludes = ();
}
if (defined($HEADER)) {
# Write content to file.
print $HEADER @headerContentHeader;
foreach my $headerInclude (sort keys(%headerIncludes)) {
print $HEADER "#include \"$headerInclude\"\n";
}
print $HEADER @headerContent;
close($HEADER);
undef($HEADER);
@headerContentHeader = ();
@headerContent = ();
%headerIncludes = ();
}
}
sub constructorFor
{
my $className = shift;
my $protoClassName = shift;
my $interfaceName = shift;
my $visibleClassName = shift;
my $canConstruct = shift;
my $implContent = << "EOF";
class ${className}Constructor : public DOMObject {
public:
${className}Constructor(ExecState* exec)
: DOMObject(${className}Constructor::createStructure(exec->lexicalGlobalObject()->objectPrototype()))
{
putDirect(exec->propertyNames().prototype, ${protoClassName}::self(exec), None);
}
virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
virtual const ClassInfo* classInfo() const { return &s_info; }
static const ClassInfo s_info;
static PassRefPtr<Structure> createStructure(JSValuePtr proto)
{
return Structure::create(proto, TypeInfo(ObjectType, ImplementsHasInstance));
}
EOF
if ($canConstruct) {
$implContent .= << "EOF";
static JSObject* construct(ExecState* exec, JSObject*, const ArgList&)
{
return asObject(toJS(exec, ${interfaceName}::create()));
}
virtual ConstructType getConstructData(ConstructData& constructData)
{
constructData.native.function = construct;
return ConstructTypeHost;
}
EOF
}
$implContent .= << "EOF";
};
const ClassInfo ${className}Constructor::s_info = { "${visibleClassName}Constructor", 0, &${className}ConstructorTable, 0 };
bool ${className}Constructor::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
{
return getStaticValueSlot<${className}Constructor, DOMObject>(exec, &${className}ConstructorTable, this, propertyName, slot);
}
EOF
$implKJSInclude{"JSNumberCell.h"} = 1;
return $implContent;
}
1;