com.oracle.truffle.js.runtime.builtins

Class JSNonProxy

java.lang.Object

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

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

Direct Known Subclasses:

JavaImporter, JavaPackage, JSAbstractArray, JSAbstractBuffer, JSArrayBufferView, JSArrayIterator, JSAsyncContextSnapshot, JSAsyncContextVariable, JSAsyncGenerator, JSAsyncIterator, JSCollator, JSDataView, JSDate, JSDateTimeFormat, JSDictionary, JSDisplayNames, JSError, JSFinalizationRegistry, JSForInIterator, JSFunction, JSGenerator, JSGlobal, JSIterator, JSListFormat, JSLocale, JSMap, JSMapIterator, JSModuleNamespace, JSNumberFormat, JSObjectPrototype, JSOrdinary, JSPluralRules, JSPrimitive, JSPromise, JSRawJSON, JSRegExp, JSRelativeTimeFormat, JSSegmenter, JSSet, JSSetIterator, JSShadowRealm, JSStringIterator, JSSymbol, JSTemporalCalendar, JSTemporalDuration, JSTemporalInstant, JSTemporalPlainDate, JSTemporalPlainDateTime, JSTemporalPlainMonthDay, JSTemporalPlainTime, JSTemporalPlainYearMonth, JSTemporalTimeZone, JSTemporalZonedDateTime, JSUncheckedProxyHandler, JSWeakMap, JSWeakRef, JSWeakSet, JSWebAssemblyGlobal, JSWebAssemblyInstance, JSWebAssemblyMemory, JSWebAssemblyModule, JSWebAssemblyTable, JSWrapForValidAsyncIterator, JSWrapForValidIterator

public abstract class JSNonProxy
extends JSClass

Common base class for non-proxy object types.

See Also:

JSNonProxyObject

Property Summary

Type	Property and Description
boolean	usesOrdinaryGetOwn

Field Summary

Fields

Modifier and Type	Field and Description
static com.oracle.truffle.api.strings.TruffleString	GET_SYMBOL_SPECIES_NAME

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JSNonProxy()

Method Summary

Modifier and Type	Method and Description
static boolean	checkProtoCycle(JSDynamicObject thisObj, JSDynamicObject newPrototype)
protected static JSDynamicObject	createSymbolSpeciesGetterFunction(JSRealm realm)
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).
protected static boolean	deletePropertyDefault(JSDynamicObject object, Object key, boolean isStrict)
com.oracle.truffle.api.strings.TruffleString	getBuiltinToStringTag(JSDynamicObject object) Returns builtinTag from step 14 of ES6+ 19.1.3.6.
Object	getHelper(JSDynamicObject store, Object thisObj, long index, com.oracle.truffle.api.nodes.Node encapsulatingNode)
Object	getHelper(JSDynamicObject store, Object thisObj, Object key, com.oracle.truffle.api.nodes.Node encapsulatingNode)
Object	getMethodHelper(JSDynamicObject store, Object thisObj, Object name, com.oracle.truffle.api.nodes.Node encapsulatingNode)
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).
JSDynamicObject	getPrototypeOf(JSDynamicObject thisObj) 9.1.1 [[GetPrototypeOf]] ().
boolean	hasOnlyShapeProperties(JSDynamicObject obj) 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)
boolean	hasProperty(JSDynamicObject thisObj, long index)
boolean	hasProperty(JSDynamicObject thisObj, Object key) 9.1.7 [[HasProperty]] (P).
protected static boolean	invokeAccessorPropertySetter(PropertyDescriptor desc, JSDynamicObject thisObj, Object key, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
boolean	isExtensible(JSDynamicObject thisObj) 9.1.3 [[IsExtensible]] ().
static PropertyDescriptor	ordinaryGetOwnProperty(JSDynamicObject thisObj, Object key) 9.1.5.1 OrdinaryGetOwnProperty (O, P).
static PropertyDescriptor	ordinaryGetOwnPropertyIntl(JSDynamicObject thisObj, Object key, com.oracle.truffle.api.object.Property prop)
static boolean	ordinaryIsExtensible(JSDynamicObject thisObj)
static List<Object>	ordinaryOwnPropertyKeys(JSDynamicObject thisObj)
protected static List<Object>	ordinaryOwnPropertyKeys(JSDynamicObject thisObj, boolean strings, boolean symbols)
protected static List<Object>	ordinaryOwnPropertyKeysSlow(JSDynamicObject thisObj, boolean strings, boolean symbols)
protected static boolean	ordinarySet(JSDynamicObject thisObj, Object key, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
protected static boolean	ordinarySetIndex(JSDynamicObject thisObj, long index, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
protected static boolean	ordinarySetWithReceiver(JSDynamicObject target, Object key, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
protected static boolean	performOrdinarySetWithOwnDescriptor(JSDynamicObject target, Object key, Object value, Object receiver, PropertyDescriptor desc, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
boolean	preventExtensions(JSDynamicObject thisObj, boolean doThrow) 9.1.4 [[PreventExtensions]] ().
protected boolean	preventExtensionsImpl(JSDynamicObject thisObj, int extraFlags)
protected static void	putConstructorSpeciesGetter(JSRealm realm, JSDynamicObject constructor)
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	setIntegrityLevel(JSDynamicObject thisObj, boolean freeze, boolean doThrow) ES2015 7.3.14 SetIntegrityLevel(O, level).
protected boolean	setIntegrityLevelFast(JSDynamicObject thisObj, boolean freeze)
protected static boolean	setPropertySlow(JSDynamicObject thisObj, Object key, Object value, Object receiver, boolean isStrict, boolean isIndex, com.oracle.truffle.api.nodes.Node encapsulatingNode)
boolean	setPrototypeOf(JSDynamicObject thisObj, JSDynamicObject newPrototype) 9.1.2 [[SetPrototypeOf]] (V).
boolean	testIntegrityLevel(JSDynamicObject obj, boolean frozen) ES2015 7.3.15 TestIntegrityLevel(O, level).
protected static boolean	testIntegrityLevelFast(JSDynamicObject obj, boolean frozen)
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.
String	toString()
boolean	usesOrdinaryGetOwnProperty()
boolean	usesOrdinaryIsExtensible()

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

defaultToString, filterOwnPropertyKeys, formatToString, get, get, getClassName, 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

Specified by:

usesOrdinaryGetOwnProperty in class JSClass

Field Detail

GET_SYMBOL_SPECIES_NAME

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

Constructor Detail

JSNonProxy

protected JSNonProxy()

Method Detail

defineOwnProperty

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

Description copied from class: JSClass

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

Specified by:

defineOwnProperty in class JSClass

getOwnHelper

public 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.

Specified by:

getOwnHelper in class JSClass

getOwnHelper

public 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.

Specified by:

getOwnHelper in class JSClass

getHelper

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

Specified by:

getHelper in class JSClass

getHelper

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

Specified by:

getHelper in class JSClass

getMethodHelper

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

Specified by:

getMethodHelper in class JSClass

getOwnPropertyKeys

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

Description copied from class: JSClass

GetOwnPropertyKeys (O, type).

Specified by:

getOwnPropertyKeys in class JSClass

Returns:

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

ordinaryOwnPropertyKeys

public static List<Object> ordinaryOwnPropertyKeys(JSDynamicObject thisObj)

ordinaryOwnPropertyKeys

protected static List<Object> ordinaryOwnPropertyKeys(JSDynamicObject thisObj,
                                                      boolean strings,
                                                      boolean symbols)

ordinaryOwnPropertyKeysSlow

protected static List<Object> ordinaryOwnPropertyKeysSlow(JSDynamicObject thisObj,
                                                          boolean strings,
                                                          boolean symbols)

hasOnlyShapeProperties

public boolean hasOnlyShapeProperties(JSDynamicObject obj)

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.

Specified by:

hasOnlyShapeProperties in class JSClass

delete

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

Description copied from class: JSClass

9.1.10 [[Delete]] (P).

Specified by:

delete in class JSClass

deletePropertyDefault

protected static boolean deletePropertyDefault(JSDynamicObject object,
                                               Object key,
                                               boolean isStrict)

delete

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

Specified by:

delete in class JSClass

hasOwnProperty

public boolean hasOwnProperty(JSDynamicObject thisObj,
                              Object key)

Specified by:

hasOwnProperty in class JSClass

hasOwnProperty

public boolean hasOwnProperty(JSDynamicObject thisObj,
                              long index)

Specified by:

hasOwnProperty in class JSClass

hasProperty

public boolean hasProperty(JSDynamicObject thisObj,
                           long index)

Specified by:

hasProperty in class JSClass

hasProperty

public boolean hasProperty(JSDynamicObject thisObj,
                           Object key)

Description copied from class: JSClass

9.1.7 [[HasProperty]] (P).

Specified by:

hasProperty in class JSClass

set

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

Specified by:

set in class JSClass

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).

Specified by:

set in class JSClass

ordinarySetIndex

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

ordinarySet

protected static boolean ordinarySet(JSDynamicObject thisObj,
                                     Object key,
                                     Object value,
                                     Object receiver,
                                     boolean isStrict,
                                     com.oracle.truffle.api.nodes.Node encapsulatingNode)

ordinarySetWithReceiver

protected static boolean ordinarySetWithReceiver(JSDynamicObject target,
                                                 Object key,
                                                 Object value,
                                                 Object receiver,
                                                 boolean isStrict,
                                                 com.oracle.truffle.api.nodes.Node encapsulatingNode)

performOrdinarySetWithOwnDescriptor

protected static boolean performOrdinarySetWithOwnDescriptor(JSDynamicObject target,
                                                             Object key,
                                                             Object value,
                                                             Object receiver,
                                                             PropertyDescriptor desc,
                                                             boolean isStrict,
                                                             com.oracle.truffle.api.nodes.Node encapsulatingNode)

setPropertySlow

protected static boolean setPropertySlow(JSDynamicObject thisObj,
                                         Object key,
                                         Object value,
                                         Object receiver,
                                         boolean isStrict,
                                         boolean isIndex,
                                         com.oracle.truffle.api.nodes.Node encapsulatingNode)

invokeAccessorPropertySetter

protected static boolean invokeAccessorPropertySetter(PropertyDescriptor desc,
                                                      JSDynamicObject thisObj,
                                                      Object key,
                                                      Object value,
                                                      Object receiver,
                                                      boolean isStrict,
                                                      com.oracle.truffle.api.nodes.Node encapsulatingNode)

getOwnProperty

public PropertyDescriptor getOwnProperty(JSDynamicObject thisObj,
                                         Object key)

Description copied from class: JSClass

9.1.5 [[GetOwnProperty]] (P).

Specified by:

getOwnProperty in class JSClass

ordinaryGetOwnProperty

public static PropertyDescriptor ordinaryGetOwnProperty(JSDynamicObject thisObj,
                                                        Object key)

9.1.5.1 OrdinaryGetOwnProperty (O, P).

ordinaryGetOwnPropertyIntl

public static PropertyDescriptor ordinaryGetOwnPropertyIntl(JSDynamicObject thisObj,
                                                            Object key,
                                                            com.oracle.truffle.api.object.Property prop)

setIntegrityLevel

public boolean setIntegrityLevel(JSDynamicObject thisObj,
                                 boolean freeze,
                                 boolean doThrow)

Description copied from class: JSClass

ES2015 7.3.14 SetIntegrityLevel(O, level).

Overrides:

setIntegrityLevel in class JSClass

setIntegrityLevelFast

protected final boolean setIntegrityLevelFast(JSDynamicObject thisObj,
                                              boolean freeze)

testIntegrityLevel

public boolean testIntegrityLevel(JSDynamicObject obj,
                                  boolean frozen)

ES2015 7.3.15 TestIntegrityLevel(O, level).

Overrides:

testIntegrityLevel in class JSClass

testIntegrityLevelFast

protected static boolean testIntegrityLevelFast(JSDynamicObject obj,
                                                boolean frozen)

preventExtensions

public boolean preventExtensions(JSDynamicObject thisObj,
                                 boolean doThrow)

Description copied from class: JSClass

9.1.4 [[PreventExtensions]] ().

Specified by:

preventExtensions in class JSClass

preventExtensionsImpl

protected final boolean preventExtensionsImpl(JSDynamicObject thisObj,
                                              int extraFlags)

isExtensible

public final boolean isExtensible(JSDynamicObject thisObj)

Description copied from class: JSClass

9.1.3 [[IsExtensible]] ().

Specified by:

isExtensible in class JSClass

ordinaryIsExtensible

public static boolean ordinaryIsExtensible(JSDynamicObject thisObj)

toString

public String toString()

Specified by:

toString in class JSClass

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.

Specified by:

toDisplayStringImpl in class JSClass

format - formatting parameters

depth - current nesting depth

getPrototypeOf

public final JSDynamicObject getPrototypeOf(JSDynamicObject thisObj)

Description copied from class: JSClass

9.1.1 [[GetPrototypeOf]] ().

Specified by:

getPrototypeOf in class JSClass

setPrototypeOf

public boolean setPrototypeOf(JSDynamicObject thisObj,
                              JSDynamicObject newPrototype)

Description copied from class: JSClass

9.1.2 [[SetPrototypeOf]] (V).

Specified by:

setPrototypeOf in class JSClass

checkProtoCycle

public static boolean checkProtoCycle(JSDynamicObject thisObj,
                                      JSDynamicObject newPrototype)

putConstructorSpeciesGetter

protected static void putConstructorSpeciesGetter(JSRealm realm,
                                                  JSDynamicObject constructor)

createSymbolSpeciesGetterFunction

protected static JSDynamicObject createSymbolSpeciesGetterFunction(JSRealm realm)

getBuiltinToStringTag

public com.oracle.truffle.api.strings.TruffleString getBuiltinToStringTag(JSDynamicObject object)

Description copied from class: JSClass

Returns builtinTag from step 14 of ES6+ 19.1.3.6. By default returns "Object".

Overrides:

getBuiltinToStringTag in class JSClass

Parameters:

object - object to be used

Returns:

"Object" by default

See Also:

JSClass.defaultToString(JSDynamicObject)

usesOrdinaryGetOwnProperty

public boolean usesOrdinaryGetOwnProperty()

Specified by:

usesOrdinaryGetOwnProperty in class JSClass

usesOrdinaryIsExtensible

public final boolean usesOrdinaryIsExtensible()

Specified by:

usesOrdinaryIsExtensible in class JSClass