com.oracle.truffle.js.runtime.builtins

Class JSFinalizationRegistry

java.lang.Object

com.oracle.truffle.api.object.ObjectType

com.oracle.truffle.js.runtime.builtins.JSClass

com.oracle.truffle.js.runtime.builtins.JSNonProxy

com.oracle.truffle.js.runtime.builtins.JSFinalizationRegistry

All Implemented Interfaces:

JSConstructorFactory, JSConstructorFactory.Default, PrototypeSupplier

public final class JSFinalizationRegistry
extends JSNonProxy
implements JSConstructorFactory.Default, PrototypeSupplier

Property Summary

Properties inherited from class com.oracle.truffle.js.runtime.builtins.JSNonProxy

usesOrdinaryGetOwnProperty

Nested Class Summary

Nested classes/interfaces inherited from interface com.oracle.truffle.js.runtime.builtins.JSConstructorFactory.Default

JSConstructorFactory.Default.WithSpecies

Nested classes/interfaces inherited from interface com.oracle.truffle.js.runtime.builtins.JSConstructorFactory

JSConstructorFactory.Default, JSConstructorFactory.WithFunctions, JSConstructorFactory.WithFunctionsAndSpecies

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLASS_NAME
static com.oracle.truffle.api.object.HiddenKey	FINALIZATION_REGISTRY_ID
static JSFinalizationRegistry	INSTANCE
static String	PROTOTYPE_NAME

Fields inherited from class com.oracle.truffle.js.runtime.builtins.JSClass

EMPTY_STRING_ARRAY

Method Summary

Modifier and Type	Method and Description
static void	appendToCells(JSFinalizationRegistryObject finalizationRegistry, Object target, Object holdings, Object unregisterToken)
static void	cleanupFinalizationRegistry(JSFinalizationRegistryObject finalizationRegistry, Object callbackArg)
static com.oracle.truffle.api.object.DynamicObject	create(JSContext context, com.oracle.truffle.api.interop.TruffleObject cleanupCallback)
static JSConstructor	createConstructor(JSRealm realm)
com.oracle.truffle.api.object.DynamicObject	createPrototype(JSRealm realm, com.oracle.truffle.api.object.DynamicObject ctor)
String	getClassName()
String	getClassName(com.oracle.truffle.api.object.DynamicObject object) The [[Class]] internal property.
com.oracle.truffle.api.object.DynamicObject	getIntrinsicDefaultProto(JSRealm realm)
static void	hostCleanupFinalizationRegistry(JSFinalizationRegistryObject finalizationRegistry) 4.1.3 Execution and 4.1.4.1 HostCleanupFinalizationRegistry.
static boolean	isJSFinalizationRegistry(Object obj)
com.oracle.truffle.api.object.Shape	makeInitialShape(JSContext context, com.oracle.truffle.api.object.DynamicObject prototype)
static FinalizationRecord	removeCellEmptyTarget(JSFinalizationRegistryObject finalizationRegistry)
static boolean	removeFromCells(JSFinalizationRegistryObject finalizationRegistry, Object unregisterToken)
String	toDisplayStringImpl(com.oracle.truffle.api.object.DynamicObject obj, int depth, boolean allowSideEffects, JSContext context) A more informative toString variant, mainly used for error messages.

Methods inherited from class com.oracle.truffle.js.runtime.builtins.JSNonProxy

checkProtoCycle, createSymbolSpeciesGetterFunction, defineOwnProperty, delete, delete, deletePropertyDefault, getBuiltinToStringTag, getHelper, getHelper, getMethodHelper, getOwnHelper, getOwnHelper, getOwnProperty, getOwnPropertyKeys, getPrototypeOf, hasOnlyShapeProperties, hasOwnProperty, hasOwnProperty, hasProperty, hasProperty, invokeAccessorPropertySetter, isExtensible, ordinaryGetOwnProperty, ordinaryGetOwnPropertyIntl, ordinaryOwnPropertyKeys, ordinaryOwnPropertyKeys, ordinaryOwnPropertyKeysSlow, ordinarySet, ordinarySetIndex, ordinarySetWithReceiver, performOrdinarySetWithOwnDescriptor, preventExtensions, preventExtensionsImpl, putConstructorSpeciesGetter, set, set, setIntegrityLevel, setIntegrityLevelFast, setPropertySlow, setPrototypeOf, testIntegrityLevel, testIntegrityLevelFast, toString, usesOrdinaryGetOwnProperty, usesOrdinaryIsExtensible

Methods inherited from class com.oracle.truffle.js.runtime.builtins.JSClass

defaultToString, filterOwnPropertyKeys, formatToString, get, get, getToStringTag, isInstance, isInstance, isInstance, isInstance, ownPropertyKeys, testIntegrityLevelDefault

Methods inherited from class com.oracle.truffle.api.object.ObjectType

dispatch, equals, hashCode, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.oracle.truffle.js.runtime.builtins.JSConstructorFactory.Default

createConstructorAndPrototype

Methods inherited from interface com.oracle.truffle.js.runtime.builtins.JSConstructorFactory

createConstructorObject, fillConstructor

Field Detail

INSTANCE

public static final JSFinalizationRegistry INSTANCE

CLASS_NAME

public static final String CLASS_NAME

See Also:

Constant Field Values

PROTOTYPE_NAME

public static final String PROTOTYPE_NAME

See Also:

Constant Field Values

FINALIZATION_REGISTRY_ID

public static final com.oracle.truffle.api.object.HiddenKey FINALIZATION_REGISTRY_ID

Method Detail

create

public static com.oracle.truffle.api.object.DynamicObject create(JSContext context,
                                                                 com.oracle.truffle.api.interop.TruffleObject cleanupCallback)

createPrototype

public com.oracle.truffle.api.object.DynamicObject createPrototype(JSRealm realm,
                                                                   com.oracle.truffle.api.object.DynamicObject ctor)

Specified by:

createPrototype in interface JSConstructorFactory

makeInitialShape

public com.oracle.truffle.api.object.Shape makeInitialShape(JSContext context,
                                                            com.oracle.truffle.api.object.DynamicObject prototype)

Overrides:

makeInitialShape in class JSClass

createConstructor

public static JSConstructor createConstructor(JSRealm realm)

getClassName

public String getClassName()

Specified by:

getClassName in interface JSConstructorFactory

getClassName

public String getClassName(com.oracle.truffle.api.object.DynamicObject object)

Description copied from class: JSClass

The [[Class]] internal property. For ES5, this is the second part of what Object.prototype.toString.call(myObj) returns, e.g. "[object Array]".

Specified by:

getClassName in class JSClass

Parameters:

object - object to be used

toDisplayStringImpl

public String toDisplayStringImpl(com.oracle.truffle.api.object.DynamicObject obj,
                                  int depth,
                                  boolean allowSideEffects,
                                  JSContext context)

Description copied from class: JSClass

A more informative toString variant, mainly used for error messages.

Overrides:

toDisplayStringImpl in class JSNonProxy

depth - allowed nesting depth

context - the current language context

isJSFinalizationRegistry

public static boolean isJSFinalizationRegistry(Object obj)

getIntrinsicDefaultProto

public com.oracle.truffle.api.object.DynamicObject getIntrinsicDefaultProto(JSRealm realm)

Specified by:

getIntrinsicDefaultProto in interface PrototypeSupplier

appendToCells

public static void appendToCells(JSFinalizationRegistryObject finalizationRegistry,
                                 Object target,
                                 Object holdings,
                                 Object unregisterToken)

removeFromCells

public static boolean removeFromCells(JSFinalizationRegistryObject finalizationRegistry,
                                      Object unregisterToken)

cleanupFinalizationRegistry

public static void cleanupFinalizationRegistry(JSFinalizationRegistryObject finalizationRegistry,
                                               Object callbackArg)

removeCellEmptyTarget

public static FinalizationRecord removeCellEmptyTarget(JSFinalizationRegistryObject finalizationRegistry)

hostCleanupFinalizationRegistry

public static void hostCleanupFinalizationRegistry(JSFinalizationRegistryObject finalizationRegistry)

4.1.3 Execution and 4.1.4.1 HostCleanupFinalizationRegistry.