com.oracle.truffle.js.runtime.builtins

Class JSSymbol

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.JSSymbol

All Implemented Interfaces:

JSConstructorFactory, JSConstructorFactory.WithFunctions, PrototypeSupplier

public final class JSSymbol
extends JSNonProxy
implements JSConstructorFactory.WithFunctions, PrototypeSupplier

Object wrapper around a primitive symbol.

See Also:

Symbol

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

JSConstructorFactory.Default, JSConstructorFactory.WithFunctions, JSConstructorFactory.WithFunctionsAndSpecies

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLASS_NAME
static String	DESCRIPTION
static JSSymbol	INSTANCE
static String	PROTOTYPE_NAME
static String	TYPE_NAME

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

EMPTY_STRING_ARRAY

Method Summary

Modifier and Type	Method and Description
static com.oracle.truffle.api.object.DynamicObject	create(JSContext context, Symbol symbol)
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 Symbol	getSymbolData(com.oracle.truffle.api.object.DynamicObject symbolWrapper)
static boolean	isJSSymbol(Object obj)
com.oracle.truffle.api.object.Shape	makeInitialShape(JSContext context, com.oracle.truffle.api.object.DynamicObject prototype)
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.WithFunctions

createConstructorAndPrototype

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

createConstructorObject, fillConstructor

Field Detail

INSTANCE

public static final JSSymbol INSTANCE

TYPE_NAME

public static final String TYPE_NAME

See Also:

Constant Field Values

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

DESCRIPTION

public static final String DESCRIPTION

See Also:

Constant Field Values

Method Detail

create

public static com.oracle.truffle.api.object.DynamicObject create(JSContext context,
                                                                 Symbol symbol)

getSymbolData

public static Symbol getSymbolData(com.oracle.truffle.api.object.DynamicObject symbolWrapper)

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

isJSSymbol

public static boolean isJSSymbol(Object obj)

getIntrinsicDefaultProto

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

Specified by:

getIntrinsicDefaultProto in interface PrototypeSupplier