com.oracle.truffle.js.runtime.builtins

Class JSObjectPrototype

java.lang.Object

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

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

com.oracle.truffle.js.runtime.builtins.JSObjectPrototype

public final class JSObjectPrototype
extends JSNonProxy

Property Summary

Type	Property and Description
boolean	usesOrdinaryGetOwn

Field Summary

Fields

Modifier and Type	Field and Description
static JSBuiltinsContainer	BUILTINS
static com.oracle.truffle.api.strings.TruffleString	CLASS_NAME
static JSObjectPrototype	INSTANCE

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

GET_SYMBOL_SPECIES_NAME

Method Summary

Modifier and Type	Method and Description
static JSObjectPrototypeObject	create(JSContext context)
static JSObjectPrototypeObject	create(com.oracle.truffle.api.object.Shape shape)
boolean	defineOwnProperty(JSDynamicObject thisObj, Object key, PropertyDescriptor desc, boolean doThrow) 9.1.6 [[DefineOwnProperty]] (P, Desc).
boolean	delete(JSDynamicObject thisObj, long index, boolean isStrict)
boolean	delete(JSDynamicObject thisObj, Object key, boolean isStrict) 9.1.10 [[Delete]] (P).
com.oracle.truffle.api.strings.TruffleString	getClassName(JSDynamicObject object) The [[Class]] internal property.
Object	getOwnHelper(JSDynamicObject store, Object thisObj, long index, com.oracle.truffle.api.nodes.Node encapsulatingNode) Like getOwnProperty, but returns null if value is not present instead of undefined.
Object	getOwnHelper(JSDynamicObject store, Object thisObj, Object key, com.oracle.truffle.api.nodes.Node encapsulatingNode) Like getOwnProperty, but returns null if value is not present instead of undefined.
PropertyDescriptor	getOwnProperty(JSDynamicObject thisObj, Object key) 9.1.5 [[GetOwnProperty]] (P).
List<Object>	getOwnPropertyKeys(JSDynamicObject thisObj, boolean strings, boolean symbols) GetOwnPropertyKeys (O, type).
boolean	hasOnlyShapeProperties(JSDynamicObject thisObj) If true, JSClass.ownPropertyKeys(com.oracle.truffle.js.runtime.objects.JSDynamicObject) and JSShape.getProperties(com.oracle.truffle.api.object.Shape) enumerate the same keys.
boolean	hasOwnProperty(JSDynamicObject thisObj, long index)
boolean	hasOwnProperty(JSDynamicObject thisObj, Object key)
static boolean	isJSObjectPrototype(Object obj)
boolean	set(JSDynamicObject thisObj, long index, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
boolean	set(JSDynamicObject thisObj, Object key, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode) 9.1.9 [[Set]] (P, V, Receiver).
boolean	setPrototypeOf(JSDynamicObject thisObj, JSDynamicObject newPrototype) 9.4.7.2 SetImmutablePrototype ( O, V ).
com.oracle.truffle.api.strings.TruffleString	toDisplayStringImpl(JSDynamicObject obj, boolean allowSideEffects, ToDisplayStringFormat format, int depth) A more informative toString variant, mainly used for error messages.
boolean	usesOrdinaryGetOwnProperty()

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

checkProtoCycle, createSymbolSpeciesGetterFunction, deletePropertyDefault, getBuiltinToStringTag, getHelper, getHelper, getMethodHelper, getPrototypeOf, hasProperty, hasProperty, invokeAccessorPropertySetter, isExtensible, ordinaryGetOwnProperty, ordinaryGetOwnPropertyIntl, ordinaryIsExtensible, ordinaryOwnPropertyKeys, ordinaryOwnPropertyKeys, ordinaryOwnPropertyKeysSlow, ordinarySet, ordinarySetIndex, ordinarySetWithReceiver, performOrdinarySetWithOwnDescriptor, preventExtensions, preventExtensionsImpl, putConstructorSpeciesGetter, setIntegrityLevel, setIntegrityLevelFast, setPropertySlow, testIntegrityLevel, testIntegrityLevelFast, toString, usesOrdinaryIsExtensible

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

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

Methods inherited from class java.lang.Object

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

Property Detail

usesOrdinaryGetOwn

public boolean usesOrdinaryGetOwnProperty

Overrides:

usesOrdinaryGetOwnProperty in class JSNonProxy

Field Detail

CLASS_NAME

public static final com.oracle.truffle.api.strings.TruffleString CLASS_NAME

INSTANCE

public static final JSObjectPrototype INSTANCE

BUILTINS

public static final JSBuiltinsContainer BUILTINS

Method Detail

create

public static JSObjectPrototypeObject create(JSContext context)

isJSObjectPrototype

public static boolean isJSObjectPrototype(Object obj)

getClassName

public com.oracle.truffle.api.strings.TruffleString getClassName(JSDynamicObject 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 com.oracle.truffle.api.strings.TruffleString toDisplayStringImpl(JSDynamicObject obj,
                                                                        boolean allowSideEffects,
                                                                        ToDisplayStringFormat format,
                                                                        int depth)

Description copied from class: JSClass

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

Overrides:

toDisplayStringImpl in class JSNonProxy

format - formatting parameters

depth - current nesting depth

hasOwnProperty

public boolean hasOwnProperty(JSDynamicObject thisObj,
                              Object key)

Overrides:

hasOwnProperty in class JSNonProxy

hasOwnProperty

public boolean hasOwnProperty(JSDynamicObject thisObj,
                              long index)

Overrides:

hasOwnProperty in class JSNonProxy

getOwnHelper

public Object getOwnHelper(JSDynamicObject store,
                           Object thisObj,
                           long index,
                           com.oracle.truffle.api.nodes.Node encapsulatingNode)

Description copied from class: JSNonProxy

Like getOwnProperty, but returns null if value is not present instead of undefined.

Overrides:

getOwnHelper in class JSNonProxy

getOwnHelper

public Object getOwnHelper(JSDynamicObject store,
                           Object thisObj,
                           Object key,
                           com.oracle.truffle.api.nodes.Node encapsulatingNode)

Description copied from class: JSNonProxy

Like getOwnProperty, but returns null if value is not present instead of undefined.

Overrides:

getOwnHelper in class JSNonProxy

delete

public boolean delete(JSDynamicObject thisObj,
                      Object key,
                      boolean isStrict)

Description copied from class: JSClass

9.1.10 [[Delete]] (P).

Overrides:

delete in class JSNonProxy

delete

public boolean delete(JSDynamicObject thisObj,
                      long index,
                      boolean isStrict)

Overrides:

delete in class JSNonProxy

getOwnPropertyKeys

public List<Object> getOwnPropertyKeys(JSDynamicObject thisObj,
                                       boolean strings,
                                       boolean symbols)

Description copied from class: JSClass

GetOwnPropertyKeys (O, type).

Overrides:

getOwnPropertyKeys in class JSNonProxy

Returns:

a List of the keys of all own properties of that object with the specified types

hasOnlyShapeProperties

public boolean hasOnlyShapeProperties(JSDynamicObject thisObj)

Description copied from class: JSClass

If true, JSClass.ownPropertyKeys(com.oracle.truffle.js.runtime.objects.JSDynamicObject) and JSShape.getProperties(com.oracle.truffle.api.object.Shape) enumerate the same keys.

Overrides:

hasOnlyShapeProperties in class JSNonProxy

getOwnProperty

public PropertyDescriptor getOwnProperty(JSDynamicObject thisObj,
                                         Object key)

Description copied from class: JSClass

9.1.5 [[GetOwnProperty]] (P).

Overrides:

getOwnProperty in class JSNonProxy

usesOrdinaryGetOwnProperty

public boolean usesOrdinaryGetOwnProperty()

Overrides:

usesOrdinaryGetOwnProperty in class JSNonProxy

setPrototypeOf

public boolean setPrototypeOf(JSDynamicObject thisObj,
                              JSDynamicObject newPrototype)

9.4.7.2 SetImmutablePrototype ( O, V ).

Overrides:

setPrototypeOf in class JSNonProxy

set

public boolean set(JSDynamicObject thisObj,
                   long index,
                   Object value,
                   Object receiver,
                   boolean isStrict,
                   com.oracle.truffle.api.nodes.Node encapsulatingNode)

Overrides:

set in class JSNonProxy

set

public boolean set(JSDynamicObject thisObj,
                   Object key,
                   Object value,
                   Object receiver,
                   boolean isStrict,
                   com.oracle.truffle.api.nodes.Node encapsulatingNode)

Description copied from class: JSClass

9.1.9 [[Set]] (P, V, Receiver).

Overrides:

set in class JSNonProxy

defineOwnProperty

public boolean defineOwnProperty(JSDynamicObject thisObj,
                                 Object key,
                                 PropertyDescriptor desc,
                                 boolean doThrow)

Description copied from class: JSClass

9.1.6 [[DefineOwnProperty]] (P, Desc).

Overrides:

defineOwnProperty in class JSNonProxy

create

public static JSObjectPrototypeObject create(com.oracle.truffle.api.object.Shape shape)