/
CodeGeneratorJS.pm
8210 lines (6695 loc) · 380 KB
/
CodeGeneratorJS.pm
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#
# 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) 2006-2022 Apple Inc. All rights reserved.
# Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
# Copyright (C) Research In Motion Limited 2010. All rights reserved.
# Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
# Copyright (C) 2011 Patrick Gansterer <paroga@webkit.org>
# Copyright (C) 2012 Ericsson AB. All rights reserved.
# Copyright (C) 2007, 2008, 2009, 2012 Google Inc.
# Copyright (C) 2013 Samsung Electronics. All rights reserved.
# Copyright (C) 2015, 2016 Canon 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
# 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.
package CodeGeneratorJS;
use strict;
use constant FileNamePrefix => "JS";
use Carp qw<longmess>;
use Data::Dumper;
use Hasher;
my $codeGenerator;
my $writeDependencies;
my @headerContentHeader = ();
my @headerContent = ();
my %headerIncludes = ();
my %headerTrailingIncludes = ();
my @implContentHeader = ();
my @implContent = ();
my %implIncludes = ();
my @depsContent = ();
my $numCachedAttributes = 0;
my $beginAppleCopyrightForHeaderFiles = <<END;
// ------- Begin Apple Copyright -------
/*
* Copyright (C) 2008 Apple Inc. All rights reserved.
*
* Permission is granted by Apple to use this file to the extent
* necessary to relink with LGPL WebKit files.
*
* No license or rights are granted by Apple expressly or by
* implication, estoppel, or otherwise, to Apple patents and
* trademarks. For the sake of clarity, no license or rights are
* granted by Apple expressly or by implication, estoppel, or otherwise,
* under any Apple patents, copyrights and trademarks to underlying
* implementations of any application programming interfaces (APIs)
* or to any functionality that is invoked by calling any API.
*/
END
my $beginAppleCopyrightForSourceFiles = <<END;
// ------- Begin Apple Copyright -------
/*
* Copyright (C) 2008 Apple Inc. All rights reserved.
*
* No license or rights are granted by Apple expressly or by implication,
* estoppel, or otherwise, to Apple copyrights, patents, trademarks, trade
* secrets or other rights.
*/
END
my $endAppleCopyright = <<END;
// ------- End Apple Copyright -------
END
# 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
sub assert
{
my $message = shift;
my $mess = longmess();
print Dumper($mess);
die $message;
}
# Default constructor
sub new
{
my $object = shift;
my $reference = { };
$codeGenerator = shift;
$writeDependencies = shift;
bless($reference, $object);
return $reference;
}
sub GenerateEnumeration
{
my ($object, $enumeration) = @_;
my $className = GetEnumerationClassName($enumeration->type);
$object->GenerateEnumerationHeader($enumeration, $className);
$object->GenerateEnumerationImplementation($enumeration, $className);
}
sub GenerateDictionary
{
my ($object, $dictionary, $enumerations, $otherDictionaries) = @_;
my $className = GetDictionaryClassName($dictionary->type);
$object->GenerateDictionaryHeader($dictionary, $className, $enumerations, $otherDictionaries);
$object->GenerateDictionaryImplementation($dictionary, $className, $enumerations, $otherDictionaries);
}
sub GenerateCallbackFunction
{
my ($object, $callbackFunction, $enumerations, $dictionaries) = @_;
$object->GenerateCallbackFunctionHeader($callbackFunction, $enumerations, $dictionaries);
$object->GenerateCallbackFunctionImplementation($callbackFunction, $enumerations, $dictionaries);
}
sub GenerateInterface
{
my ($object, $interface, $defines, $enumerations, $dictionaries) = @_;
$codeGenerator->LinkOverloadedOperations($interface);
AddIterableOperationIfNeeded($interface);
AddMapLikeAttributesAndOperationIfNeeded($interface);
AddSetLikeAttributesAndOperationIfNeeded($interface);
AddStringifierOperationIfNeeded($interface);
AddSharedSyntheticAttributesIfNeeded($interface);
if ($interface->isCallback) {
$object->GenerateCallbackInterfaceHeader($interface, $enumerations, $dictionaries);
$object->GenerateCallbackInterfaceImplementation($interface, $enumerations, $dictionaries);
} else {
$object->GenerateHeader($interface, $enumerations, $dictionaries);
$object->GenerateImplementation($interface, $enumerations, $dictionaries);
}
}
sub AddIterableOperationIfNeeded
{
my $interface = shift;
return unless $interface->iterable;
$interface->iterable->extendedAttributes->{FromIterable} = 1;
my $symbolIteratorOperation = IDLOperation->new();
$symbolIteratorOperation->name("[Symbol.Iterator]");
IDLParser::copyExtendedAttributes($symbolIteratorOperation->extendedAttributes, $interface->iterable->extendedAttributes);
push(@{$interface->iterable->operations}, $symbolIteratorOperation);
push(@{$interface->operations}, $symbolIteratorOperation) if IsKeyValueIterableInterface($interface);
my $entriesOperation = IDLOperation->new();
$entriesOperation->name("entries");
IDLParser::copyExtendedAttributes($entriesOperation->extendedAttributes, $interface->iterable->extendedAttributes);
push(@{$interface->iterable->operations}, $entriesOperation);
push(@{$interface->operations}, $entriesOperation) if IsKeyValueIterableInterface($interface);
my $keysOperation = IDLOperation->new();
$keysOperation->name("keys");
IDLParser::copyExtendedAttributes($keysOperation->extendedAttributes, $interface->iterable->extendedAttributes);
push(@{$interface->iterable->operations}, $keysOperation);
push(@{$interface->operations}, $keysOperation) if IsKeyValueIterableInterface($interface);
my $valuesOperation = IDLOperation->new();
$valuesOperation->name("values");
IDLParser::copyExtendedAttributes($valuesOperation->extendedAttributes, $interface->iterable->extendedAttributes);
push(@{$interface->iterable->operations}, $valuesOperation);
push(@{$interface->operations}, $valuesOperation) if IsKeyValueIterableInterface($interface);
my $forEachOperation = IDLOperation->new();
$forEachOperation->name("forEach");
my $forEachArgument = IDLArgument->new();
$forEachArgument->name("callback");
$forEachArgument->type(IDLParser::makeSimpleType("any"));
push(@{$forEachOperation->arguments}, ($forEachArgument));
IDLParser::copyExtendedAttributes($forEachOperation->extendedAttributes, $interface->iterable->extendedAttributes);
push(@{$interface->iterable->operations}, $forEachOperation);
push(@{$interface->operations}, $forEachOperation) if IsKeyValueIterableInterface($interface);
}
sub AddMapLikeAttributesAndOperationIfNeeded
{
my $interface = shift;
return unless $interface->mapLike;
$interface->mapLike->extendedAttributes->{ForwardToMapLike} = 1;
# https://webidl.spec.whatwg.org/#es-map-size
my $sizeAttribute = IDLAttribute->new();
$sizeAttribute->name("size");
$sizeAttribute->isReadOnly(1);
$sizeAttribute->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($sizeAttribute->extendedAttributes, $interface->mapLike->extendedAttributes);
$sizeAttribute->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->attributes}, $sizeAttribute);
# https://webidl.spec.whatwg.org/#es-map-get-has
my $getOperation = IDLOperation->new();
$getOperation->name("get");
my $getArgument = IDLArgument->new();
$getArgument->name("key");
$getArgument->type(IDLParser::cloneType($interface->mapLike->keyType));
push(@{$getOperation->arguments}, ($getArgument));
$getOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($getOperation->extendedAttributes, $interface->mapLike->extendedAttributes);
$getOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $getOperation);
my $hasOperation = IDLOperation->new();
$hasOperation->name("has");
my $hasArgument = IDLArgument->new();
$hasArgument->name("key");
$hasArgument->type(IDLParser::cloneType($interface->mapLike->keyType));
push(@{$hasOperation->arguments}, ($hasArgument));
$hasOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($hasOperation->extendedAttributes, $interface->mapLike->extendedAttributes);
$hasOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $hasOperation);
# https://webidl.spec.whatwg.org/#es-map-entries
my $entriesOperation = IDLOperation->new();
$entriesOperation->name("entries");
$entriesOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($entriesOperation->extendedAttributes, $interface->mapLike->extendedAttributes);
$entriesOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $entriesOperation);
# https://webidl.spec.whatwg.org/#es-map-keys-values
my $keysOperation = IDLOperation->new();
$keysOperation->name("keys");
$keysOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($keysOperation->extendedAttributes, $interface->mapLike->extendedAttributes);
$keysOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $keysOperation);
my $valuesOperation = IDLOperation->new();
$valuesOperation->name("values");
$valuesOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($valuesOperation->extendedAttributes, $interface->mapLike->extendedAttributes);
$valuesOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $valuesOperation);
# https://webidl.spec.whatwg.org/#es-forEach
my $forEachOperation = IDLOperation->new();
$forEachOperation->name("forEach");
$forEachOperation->type(IDLParser::makeSimpleType("any"));
my $forEachArgument = IDLArgument->new();
$forEachArgument->name("callback");
$forEachArgument->type(IDLParser::makeSimpleType("any"));
push(@{$forEachOperation->arguments}, ($forEachArgument));
IDLParser::copyExtendedAttributes($forEachOperation->extendedAttributes, $interface->mapLike->extendedAttributes);
push(@{$interface->operations}, $forEachOperation);
return if $interface->mapLike->isReadOnly;
# https://webidl.spec.whatwg.org/#es-map-set
unless (grep { $_->name eq "set" } (@{$interface->attributes}, @{$interface->operations}, @{$interface->constants})) {
my $setOperation = IDLOperation->new();
$setOperation->name("set");
my $setKeyArgument = IDLArgument->new();
$setKeyArgument->name("key");
$setKeyArgument->type(IDLParser::cloneType($interface->mapLike->keyType));
my $setValueArgument = IDLArgument->new();
$setValueArgument->name("value");
$setValueArgument->type(IDLParser::cloneType($interface->mapLike->valueType));
push(@{$setOperation->arguments}, ($setKeyArgument));
push(@{$setOperation->arguments}, ($setValueArgument));
$setOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($setOperation->extendedAttributes, $interface->mapLike->extendedAttributes);
$setOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $setOperation);
}
# https://webidl.spec.whatwg.org/#es-map-clear
unless (grep { $_->name eq "clear" } (@{$interface->attributes}, @{$interface->operations}, @{$interface->constants})) {
my $clearOperation = IDLOperation->new();
$clearOperation->name("clear");
$clearOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($clearOperation->extendedAttributes, $interface->mapLike->extendedAttributes);
$clearOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $clearOperation);
}
# https://webidl.spec.whatwg.org/#es-map-delete
unless (grep { $_->name eq "delete" } (@{$interface->attributes}, @{$interface->operations}, @{$interface->constants})) {
my $deleteOperation = IDLOperation->new();
$deleteOperation->name("delete");
my $deleteArgument = IDLArgument->new();
$deleteArgument->name("key");
$deleteArgument->type(IDLParser::cloneType($interface->mapLike->keyType));
push(@{$deleteOperation->arguments}, ($deleteArgument));
$deleteOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($deleteOperation->extendedAttributes, $interface->mapLike->extendedAttributes);
$deleteOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $deleteOperation);
}
}
sub AddSetLikeAttributesAndOperationIfNeeded
{
my $interface = shift;
return unless $interface->setLike;
$interface->setLike->extendedAttributes->{ForwardToSetLike} = 1;
# https://webidl.spec.whatwg.org/#es-set-size
my $sizeAttribute = IDLAttribute->new();
$sizeAttribute->name("size");
$sizeAttribute->isReadOnly(1);
$sizeAttribute->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($sizeAttribute->extendedAttributes, $interface->setLike->extendedAttributes);
$sizeAttribute->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->attributes}, $sizeAttribute);
# https://webidl.spec.whatwg.org/#es-set-has
my $hasOperation = IDLOperation->new();
$hasOperation->name("has");
my $hasArgument = IDLArgument->new();
$hasArgument->name("key");
$hasArgument->type(IDLParser::cloneType($interface->setLike->itemType));
push(@{$hasOperation->arguments}, ($hasArgument));
$hasOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($hasOperation->extendedAttributes, $interface->setLike->extendedAttributes);
$hasOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $hasOperation);
# https://webidl.spec.whatwg.org/#es-set-entries-keys
my $entriesOperation = IDLOperation->new();
$entriesOperation->name("entries");
$entriesOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($entriesOperation->extendedAttributes, $interface->setLike->extendedAttributes);
$entriesOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $entriesOperation);
my $keysOperation = IDLOperation->new();
$keysOperation->name("keys");
$keysOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($keysOperation->extendedAttributes, $interface->setLike->extendedAttributes);
$keysOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $keysOperation);
# https://webidl.spec.whatwg.org/#es-set-values
my $valuesOperation = IDLOperation->new();
$valuesOperation->name("values");
$valuesOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($valuesOperation->extendedAttributes, $interface->setLike->extendedAttributes);
$valuesOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $valuesOperation);
# https://webidl.spec.whatwg.org/#es-forEach
my $forEachOperation = IDLOperation->new();
$forEachOperation->name("forEach");
my $forEachArgument = IDLArgument->new();
$forEachArgument->name("callback");
$forEachArgument->type(IDLParser::makeSimpleType("any"));
push(@{$forEachOperation->arguments}, ($forEachArgument));
$forEachOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($forEachOperation->extendedAttributes, $interface->setLike->extendedAttributes);
# FIXME: The WebIDL spec says that the forEach operation should be enumerable.
$forEachOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $forEachOperation);
return if $interface->setLike->isReadOnly;
# https://webidl.spec.whatwg.org/#es-add-delete
unless (grep { $_->name eq "add" } (@{$interface->attributes}, @{$interface->operations}, @{$interface->constants})) {
my $addOperation = IDLOperation->new();
$addOperation->name("add");
my $addArgument = IDLArgument->new();
$addArgument->name("key");
$addArgument->type(IDLParser::cloneType($interface->setLike->itemType));
push(@{$addOperation->arguments}, ($addArgument));
$addOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($addOperation->extendedAttributes, $interface->setLike->extendedAttributes);
$addOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $addOperation);
}
# https://webidl.spec.whatwg.org/#es-set-clear
unless (grep { $_->name eq "clear" } (@{$interface->attributes}, @{$interface->operations}, @{$interface->constants})) {
my $clearOperation = IDLOperation->new();
$clearOperation->name("clear");
$clearOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($clearOperation->extendedAttributes, $interface->setLike->extendedAttributes);
$clearOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $clearOperation);
}
unless (grep { $_->name eq "delete" } (@{$interface->attributes}, @{$interface->operations}, @{$interface->constants})) {
my $deleteOperation = IDLOperation->new();
$deleteOperation->name("delete");
my $deleteArgument = IDLArgument->new();
$deleteArgument->name("key");
$deleteArgument->type(IDLParser::cloneType($interface->setLike->itemType));
push(@{$deleteOperation->arguments}, ($deleteArgument));
$deleteOperation->type(IDLParser::makeSimpleType("any"));
IDLParser::copyExtendedAttributes($deleteOperation->extendedAttributes, $interface->setLike->extendedAttributes);
$deleteOperation->extendedAttributes->{NotEnumerable} = 1;
push(@{$interface->operations}, $deleteOperation);
}
}
sub AddStringifierOperationIfNeeded
{
my $interface = shift;
foreach my $property (@{$interface->attributes}, @{$interface->operations}, @{$interface->anonymousOperations}) {
next unless $property->isStringifier;
if (ref($property) eq "IDLAttribute") {
assert("stringifier can only be used on attributes with type DOMString or USVString") unless $property->type->name eq "DOMString" || $property->type->name eq "USVString";
}
if (ref($property) eq "IDLOperation") {
assert("stringifier can only be used on operations with a return type of DOMString") unless $property->type->name eq "DOMString";
assert("stringifier can only be used on operations with zero arguments") unless scalar(@{$property->arguments}) == 0;
# Don't duplicate the operation if it was declared with the name 'toString'.
return if $property->name eq "toString";
}
my $stringifier = IDLOperation->new();
$stringifier->name("toString");
$stringifier->type(IDLParser::cloneType($property->type));
$stringifier->isStringifier(1);
IDLParser::copyExtendedAttributes($stringifier->extendedAttributes, $property->extendedAttributes);
if ($property->name && !$stringifier->extendedAttributes->{ImplementedAs}) {
$stringifier->extendedAttributes->{ImplementedAs} = $property->name;
}
# If the stringifier was declared as read-write attribute and had [CEReactions], we need to remove
# it from the operation, as the operation should act like attribute getter, which doesn't respect
# [CEReactions].
if (ref($property) eq "IDLAttribute" && !$property->isReadOnly && $stringifier->extendedAttributes->{CEReactions}) {
delete $stringifier->extendedAttributes->{CEReactions};
}
push(@{$interface->operations}, $stringifier);
return;
}
}
sub EventHandlerAttributeShortEventName
{
my $attribute = shift;
my $eventType = $attribute->extendedAttributes->{ImplementedAs} || $attribute->name;
# Remove the "on" prefix.
$eventType = substr($eventType, 2);
return "${eventType}Event";
}
sub EventHandlerAttributeEventName
{
my $attribute = shift;
return "eventNames()." . EventHandlerAttributeShortEventName($attribute);
}
sub GetParentClassName
{
my $interface = shift;
return $interface->extendedAttributes->{JSLegacyParent} if $interface->extendedAttributes->{JSLegacyParent};
return "JSDOMObject" unless NeedsImplementationClass($interface);
return "JS" . $interface->parentType->name if $interface->parentType;
return "JSDOMWrapper<" . GetImplClassName($interface) . ", SignedPtrTraits<" . GetImplClassName($interface) . ", " . GetImplClassPtrTag($interface) . ">>" if HasTaggedWrapperForInterface($interface);
return "JSDOMWrapper<" . GetImplClassName($interface) . ">";
}
sub GetCallbackClassName
{
my $className = shift;
return "JS$className";
}
sub GetExportMacroForJSClass
{
my $interface = shift;
return $interface->extendedAttributes->{ExportMacro} . " " if $interface->extendedAttributes->{ExportMacro};
return "";
}
sub AddIncludesForImplementationTypeInImpl
{
my $implementationType = shift;
AddIncludesForImplementationType($implementationType, \%implIncludes);
}
sub AddIncludesForImplementationTypeInHeader
{
my $implementationType = shift;
AddIncludesForImplementationType($implementationType, \%headerIncludes);
}
sub AddIncludesForImplementationType
{
my ($implementationType, $includesRef) = @_;
$includesRef->{"${implementationType}.h"} = 1;
}
sub AddToImplIncludesForIDLType
{
my ($type, $conditional) = @_;
return AddToIncludesForIDLType($type, \%implIncludes, $conditional)
}
sub AddToIncludesForIDLType
{
my ($type, $includesRef, $conditional) = @_;
if ($type->isNullable) {
AddToIncludes("JSDOMConvertNullable.h", $includesRef, $conditional);
}
if ($type->extendedAttributes->{OverrideIDLType}) {
my $overrideTypeName = $type->extendedAttributes->{OverrideIDLType};
if ($overrideTypeName eq "IDLIDBKey") {
AddToIncludes("JSDOMConvertIndexedDB.h", $includesRef, $conditional);
return;
}
if ($overrideTypeName eq "IDLWebGLAny" || $overrideTypeName eq "IDLWebGLExtension") {
AddToIncludes("JSDOMConvertWebGL.h", $includesRef, $conditional);
return;
}
}
if ($type->name eq "undefined") {
AddToIncludes("IDLTypes.h", $includesRef, $conditional);
AddToIncludes("JSDOMConvertBase.h", $includesRef, $conditional);
return;
}
if ($type->name eq "any") {
AddToIncludes("JSDOMConvertAny.h", $includesRef, $conditional);
return;
}
if ($type->name eq "boolean") {
AddToIncludes("JSDOMConvertBoolean.h", $includesRef, $conditional);
return;
}
if ($codeGenerator->IsBufferSourceType($type)) {
AddToIncludes("JSDOMConvertBufferSource.h", $includesRef, $conditional);
return;
}
if ($codeGenerator->IsCallbackFunction($type) || $codeGenerator->IsCallbackInterface($type)) {
AddToIncludes("JS" . $type->name . ".h", $includesRef, $conditional);
AddToIncludes("JSDOMConvertCallbacks.h", $includesRef, $conditional);
return;
}
if ($type->name eq "Date") {
AddToIncludes("JSDOMConvertDate.h", $includesRef, $conditional);
return;
}
if ($codeGenerator->IsExternalDictionaryType($type)) {
AddToIncludes("JS" . $type->name . ".h", $includesRef, $conditional);
AddToIncludes("JSDOMConvertDictionary.h", $includesRef, $conditional);
return;
}
if ($codeGenerator->IsExternalEnumType($type)) {
AddToIncludes("JS" . $type->name . ".h", $includesRef, $conditional);
AddToIncludes("JSDOMConvertEnumeration.h", $includesRef, $conditional);
return;
}
if ($type->name eq "EventListener") {
AddToIncludes("JSEventListener.h", $includesRef, $conditional);
AddToIncludes("JSDOMConvertEventListener.h", $includesRef, $conditional);
return;
}
if ($type->name eq "ReadableStream") {
AddToIncludes("ReadableStream.h", $includesRef, $conditional);
return;
}
if ($type->name eq "XPathNSResolver") {
AddToIncludes("JSXPathNSResolver.h", $includesRef, $conditional);
AddToIncludes("JSDOMConvertXPathNSResolver.h", $includesRef, $conditional);
return;
}
if ($codeGenerator->IsInterfaceType($type)) {
AddToIncludes("JS" . $type->name . ".h", $includesRef, $conditional);
AddToIncludes("JSDOMConvertInterface.h", $includesRef, $conditional);
return;
}
if ($type->name eq "JSON") {
AddToIncludes("JSDOMConvertJSON.h", $includesRef, $conditional);
return;
}
if ($codeGenerator->IsNumericType($type)) {
AddToIncludes("JSDOMConvertNumbers.h", $includesRef, $conditional);
return;
}
if ($type->name eq "object") {
AddToIncludes("JSDOMConvertObject.h", $includesRef, $conditional);
return;
}
if ($codeGenerator->IsPromiseType($type)) {
AddToIncludes("DOMPromiseProxy.h", $includesRef, $conditional);
AddToIncludes("JSDOMConvertPromise.h", $includesRef, $conditional);
AddToIncludesForIDLType(@{$type->subtypes}[0], $includesRef, $conditional);
return;
}
if ($codeGenerator->IsRecordType($type)) {
AddToIncludes("<wtf/Vector.h>", $includesRef, $conditional);
AddToIncludes("JSDOMConvertRecord.h", $includesRef, $conditional);
AddToIncludesForIDLType(@{$type->subtypes}[0], $includesRef, $conditional);
AddToIncludesForIDLType(@{$type->subtypes}[1], $includesRef, $conditional);
return;
}
if ($codeGenerator->IsSequenceOrFrozenArrayType($type)) {
AddToIncludes("<JavaScriptCore/JSArray.h>", $includesRef, $conditional);
AddToIncludes("JSDOMConvertSequences.h", $includesRef, $conditional);
AddToIncludesForIDLType(@{$type->subtypes}[0], $includesRef, $conditional);
return;
}
if ($type->name eq "ScheduledAction") {
AddToIncludes("JSDOMConvertScheduledAction.h", $includesRef, $conditional);
return;
}
if ($type->name eq "SerializedScriptValue") {
AddToIncludes("SerializedScriptValue.h", $includesRef, $conditional);
AddToIncludes("JSDOMConvertSerializedScriptValue.h", $includesRef, $conditional);
return;
}
if ($codeGenerator->IsStringType($type)) {
AddToIncludes("JSDOMConvertStrings.h", $includesRef, $conditional);
return;
}
if ($type->isUnion) {
AddToIncludes("<variant>", $includesRef, $conditional);
AddToIncludes("JSDOMConvertUnion.h", $includesRef, $conditional);
foreach my $memberType (@{$type->subtypes}) {
AddToIncludesForIDLType($memberType, $includesRef, $conditional);
}
return;
}
}
sub AddToImplIncludes
{
my ($header, $conditional) = @_;
AddToIncludes($header, \%implIncludes, $conditional);
}
sub AddToIncludes
{
my ($header, $includesRef, $conditional) = @_;
if (not $conditional) {
$includesRef->{$header} = 1;
} elsif (not exists($includesRef->{$header})) {
$includesRef->{$header} = $conditional;
} else {
my $oldValue = $includesRef->{$header};
$includesRef->{$header} = "$oldValue|$conditional" if $oldValue ne 1;
}
}
sub IsReadonly
{
my $attribute = shift;
return $attribute->isReadOnly && !$attribute->extendedAttributes->{Replaceable} && !$attribute->extendedAttributes->{PutForwards};
}
sub AddClassForwardIfNeeded
{
my $type = shift;
# SVGAnimatedLength/Number/etc. are not classes so they can't be forward declared as classes.
return if $codeGenerator->IsSVGAnimatedType($type);
return if $codeGenerator->IsBufferSourceType($type);
push(@headerContent, "class " . $type->name . ";\n\n");
}
sub GetGenerateIsReachable
{
my $interface = shift;
return $interface->extendedAttributes->{GenerateIsReachable};
}
sub GetCustomIsReachable
{
my $interface = shift;
return $interface->extendedAttributes->{CustomIsReachable};
}
sub IsDOMGlobalObject
{
my $interface = shift;
return $interface->type->name eq "DOMWindow" || $interface->type->name eq "RemoteDOMWindow" || $codeGenerator->InheritsInterface($interface, "WorkerGlobalScope") || $codeGenerator->InheritsInterface($interface, "WorkletGlobalScope") || $interface->type->name eq "ShadowRealmGlobalScope" || $interface->type->name eq "TestGlobalObject";
}
sub ShouldUseGlobalObjectPrototype
{
my $interface = shift;
# For workers, the global object is a DedicatedWorkerGlobalScope.
return 0 if $interface->type->name eq "WorkerGlobalScope";
# For worklets, the global object is a PaintWorkletGlobalScope or a AudioWorkletGlobalScope.
return 0 if $interface->type->name eq "WorkletGlobalScope";
return IsDOMGlobalObject($interface);
}
sub ShouldUseOrdinaryObjectPrototype
{
my $interface = shift;
return $interface->isNamespaceObject() || $interface->type->name eq "ShadowRealmGlobalScope";
}
sub ShouldCreateWithJSProxy
{
my ($codeGenerator, $interface) = @_;
return $interface->type->name eq "ShadowRealmGlobalScope" || $codeGenerator->InheritsInterface($interface, "WorkerGlobalScope") || $codeGenerator->InheritsInterface($interface, "WorkletGlobalScope");
}
sub GenerateIndexedGetter
{
my ($interface, $indexedGetterOperation, $indexExpression) = @_;
# NOTE: This abstractly implements steps 1.2.1 - 1.2.8 of the LegacyPlatformObjectGetOwnProperty
# algorithm. Returing the conversion expression and attributes expression for use
# by the caller.
# 1.2.1 Let operation be the operation used to declare the indexed property getter.
# 1.2.2 Let value be an uninitialized variable.
# 1.2.3 If operation was defined without an identifier, then set value to the result
# of performing the steps listed in the interface description to determine the
# value of an indexed property with index as the index.
# 1.2.4 Otherwise, operation was defined with an identifier. Set value to the result
# of performing the steps listed in the description of operation with index as
# the only argument value.
# 1.2.5 Let desc be a newly created Property Descriptor with no fields.
# 1.2.6 Set desc.[[Value]] to the result of converting value to an ECMAScript value.
# 1.2.7 If O implements an interface with an indexed property setter, then set
# desc.[[Writable]] to true, otherwise set it to false.
# 1.2.8 Return desc.
my @attributes = ();
push(@attributes, "JSC::PropertyAttribute::ReadOnly") if !GetIndexedSetterOperation($interface) && !$interface->extendedAttributes->{Plugin};
my $attributeString = "static_cast<unsigned>(" . ((@attributes > 0) ? join(" | ", @attributes) : "0") . ")";
my $indexedGetterFunctionName = $indexedGetterOperation->extendedAttributes->{ImplementedAs} || $indexedGetterOperation->name || "item";
my $nativeToJSConversion = NativeToJSValueUsingPointers($indexedGetterOperation, $interface, "thisObject->wrapped().${indexedGetterFunctionName}(${indexExpression})", "*thisObject->globalObject()");
return ($nativeToJSConversion, $attributeString);
}
sub GenerateNamedGetter
{
my ($interface, $namedGetterOperation, $namedPropertyExpression) = @_;
# NOTE: This abstractly implements steps 2.1 - 2.10 of the LegacyPlatformObjectGetOwnProperty
# algorithm. Returing the conversion expression and attributes expression for use
# by the caller.
# 2.1 Let operation be the operation used to declare the named property getter.
# 2.2 Let value be an uninitialized variable.
# 2.3 If operation was defined without an identifier, then set value to the result
# of performing the steps listed in the interface description to determine the
# value of a named property with P as the name.
# 2.4 Otherwise, operation was defined with an identifier. Set value to the result
# of performing the steps listed in the description of operation with P as the
# only argument value..
# 2.5 Let desc be a newly created Property Descriptor with no fields.
# 2.6 Set desc.[[Value]] to the result of converting value to an ECMAScript value.
# 2.7 If O implements an interface with a named property setter, then set desc.[[Writable]]
# to true, otherwise set it to false.
# 2.8 If O implements an interface with the [LegacyUnenumerableNamedProperties]
# extended attribute, then set desc.[[Enumerable]] to false, otherwise set it
# to true.
# 2.9 Set desc.[[Configurable]] to true.
# 2.10 Return desc.
my @attributes = ();
push(@attributes, "JSC::PropertyAttribute::ReadOnly") if !GetNamedSetterOperation($interface) && !$interface->extendedAttributes->{Plugin};
push(@attributes, "JSC::PropertyAttribute::DontEnum") if $interface->extendedAttributes->{LegacyUnenumerableNamedProperties};
my $attributeString = "static_cast<unsigned>(" . ((@attributes > 0) ? join(" | ", @attributes) : "0") . ")";
my $nativeToJSConversion = NativeToJSValueUsingPointers($namedGetterOperation, $interface, $namedPropertyExpression, "*thisObject->globalObject()");
return ($nativeToJSConversion, $attributeString);
}
sub GenerateNamedGetterLambda
{
my ($outputArray, $interface, $className, $namedGetterOperation, $namedGetterFunctionName, $IDLType) = @_;
my @arguments = GenerateCallWithUsingReferences($namedGetterOperation->extendedAttributes->{CallWith}, $outputArray, "std::nullopt", "thisObject", "", " ");
push(@arguments, "propertyNameToAtomString(propertyName)");
push(@$outputArray, " auto getterFunctor = visibleNamedPropertyItemAccessorFunctor<${IDLType}, ${className}>([] (${className}& thisObject, PropertyName propertyName) -> decltype(auto) {\n");
push(@$outputArray, " return thisObject.wrapped().${namedGetterFunctionName}(" . join(", ", @arguments) . ");\n");
push(@$outputArray, " });\n");
}
# https://webidl.spec.whatwg.org/#legacy-platform-object-getownproperty
sub GenerateGetOwnPropertySlot
{
my ($outputArray, $interface, $className) = @_;
return if $interface->extendedAttributes->{CustomGetOwnPropertySlot};
my $namedGetterOperation = GetNamedGetterOperation($interface);
my $indexedGetterOperation = GetIndexedGetterOperation($interface);
push(@$outputArray, "bool ${className}::getOwnPropertySlot(JSObject* object, JSGlobalObject* lexicalGlobalObject, PropertyName propertyName, PropertySlot& slot)\n");
push(@$outputArray, "{\n");
if ($namedGetterOperation || $indexedGetterOperation) {
push(@$outputArray, " auto throwScope = DECLARE_THROW_SCOPE(JSC::getVM(lexicalGlobalObject));\n");
}
push(@$outputArray, " auto* thisObject = jsCast<${className}*>(object);\n");
push(@$outputArray, " ASSERT_GC_OBJECT_INHERITS(thisObject, info());\n");
# NOTE: The alogithm for [[GetOwnProperty]] contains only the following step:
# 1. Return LegacyPlatformObjectGetOwnProperty(O, P, false).
# Therefore, the following steps are from the LegacyPlatformObjectGetOwnProperty algorithm
# https://webidl.spec.whatwg.org/#LegacyPlatformObjectGetOwnProperty
# 1. If O supports indexed properties and P is an array index property name, then:
if ($indexedGetterOperation) {
# 1.1. Let index be the result of calling ToUint32(P).
push(@$outputArray, " if (auto index = parseIndex(propertyName)) {\n");
# 1.2. If index is a supported property index, then:
# FIXME: This should support non-contiguous indices.
push(@$outputArray, " if (index.value() < thisObject->wrapped().length()) {\n");
# NOTE: GenerateIndexedGetter implements steps 1.2.1 - 1.2.8.
my ($nativeToJSConversion, $attributeString) = GenerateIndexedGetter($interface, $indexedGetterOperation, "index.value()");
push(@$outputArray, " auto value = ${nativeToJSConversion};\n");
push(@$outputArray, " RETURN_IF_EXCEPTION(throwScope, false);\n");
push(@$outputArray, " slot.setValue(thisObject, ${attributeString}, value);\n");
push(@$outputArray, " return true;\n");
push(@$outputArray, " }\n");
# 1.3. Set ignoreNamedProps to true.
# NOTE: Setting ignoreNamedProps has the effect of skipping step 2, so we can early return here
# rather than going through the paces of having an actual ignoreNamedProps update.
if ($namedGetterOperation || $interface->extendedAttributes->{Plugin}) {
push(@$outputArray, " return JSObject::getOwnPropertySlot(object, lexicalGlobalObject, propertyName, slot);\n");
}
push(@$outputArray, " }\n");
}
# 2. If O supports named properties, the result of running the named property visibility
# algorithm with property name P and object O is true, and ignoreNamedProps is false, then:
if ($namedGetterOperation) {
# NOTE: ignoreNamedProps is guarenteed to be false here, as it is initially false, and never set
# to true, due to the early return in step 1.3
AddToImplIncludes("JSDOMAbstractOperations.h");
my $namedGetterFunctionName = $namedGetterOperation->extendedAttributes->{ImplementedAs} || $namedGetterOperation->name || "namedItem";
my $IDLType = GetIDLTypeExcludingNullability($interface, $namedGetterOperation->type);
push(@$outputArray, " using GetterIDLType = ${IDLType};\n");
GenerateNamedGetterLambda($outputArray, $interface, $className, $namedGetterOperation, $namedGetterFunctionName, "GetterIDLType");
my $overrideBuiltin = $codeGenerator->InheritsExtendedAttribute($interface, "LegacyOverrideBuiltIns") ? "LegacyOverrideBuiltIns::Yes" : "LegacyOverrideBuiltIns::No";
push(@$outputArray, " if (auto namedProperty = accessVisibleNamedProperty<${overrideBuiltin}>(*lexicalGlobalObject, *thisObject, propertyName, getterFunctor)) {\n");
# NOTE: GenerateNamedGetter implements steps 2.1 - 2.10.
my ($nativeToJSConversion, $attributeString) = GenerateNamedGetter($interface, $namedGetterOperation, "WTFMove(namedProperty.value())");
push(@$outputArray, " auto value = ${nativeToJSConversion};\n");
push(@$outputArray, " RETURN_IF_EXCEPTION(throwScope, false);\n");
push(@$outputArray, " slot.setValue(thisObject, ${attributeString}, value);\n");
push(@$outputArray, " return true;\n");
push(@$outputArray, " }\n");
}
if ($interface->extendedAttributes->{Plugin}) {
AddToImplIncludes("JSPluginElementFunctions.h");
push(@$outputArray, " if (pluginElementCustomGetOwnPropertySlot(thisObject, lexicalGlobalObject, propertyName, slot))\n");
push(@$outputArray, " return true;\n");
push(@$outputArray, " ASSERT(slot.isTaintedByOpaqueObject());\n");
push(@$outputArray, " if (slot.isVMInquiry())\n");
push(@$outputArray, " return false;\n");
}
# 3. Return OrdinaryGetOwnProperty(O, P).
push(@$outputArray, " return JSObject::getOwnPropertySlot(object, lexicalGlobalObject, propertyName, slot);\n");
push(@$outputArray, "}\n\n");
}
# https://webidl.spec.whatwg.org/#legacy-platform-object-getownproperty
sub GenerateGetOwnPropertySlotByIndex
{
my ($outputArray, $interface, $className) = @_;
return if $interface->extendedAttributes->{CustomGetOwnPropertySlot};
# Sink the int-to-string conversion that happens when we create a PropertyName
# to the point where we actually need it.
my $didGeneratePropertyName = 0;
my $propertyNameGeneration = sub {
return if $didGeneratePropertyName;
push(@$outputArray, " auto propertyName = Identifier::from(vm, index);\n");
$didGeneratePropertyName = 1;
};
my $namedGetterOperation = GetNamedGetterOperation($interface);
my $indexedGetterOperation = GetIndexedGetterOperation($interface);
push(@$outputArray, "bool ${className}::getOwnPropertySlotByIndex(JSObject* object, JSGlobalObject* lexicalGlobalObject, unsigned index, PropertySlot& slot)\n");