com.oracle.truffle.js.runtime.builtins

Class JSNonProxy

java.lang.Object

com.oracle.truffle.api.object.ObjectType

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

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

Direct Known Subclasses:

JavaImporter, JavaPackage, JSAbstractArray, JSAbstractBuffer, JSArrayBufferView, JSCollator, JSDataView, JSDate, JSDateTimeFormat, JSDictionary, JSDisplayNames, JSError, JSFinalizationRegistry, JSFunction, JSGlobal, JSListFormat, JSLocale, JSMap, JSModuleNamespace, JSNumberFormat, JSObjectPrototype, JSOrdinary, JSPluralRules, JSPrimitive, JSPromise, JSRegExp, JSRelativeTimeFormat, JSSegmenter, JSSet, JSSymbol, JSWeakMap, JSWeakRef, JSWeakSet

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

EMPTY_STRING_ARRAY

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JSNonProxy()

Method Summary

Modifier and Type	Method and Description
static boolean	checkProtoCycle(com.oracle.truffle.api.object.DynamicObject thisObj, com.oracle.truffle.api.object.DynamicObject newPrototype)
protected static com.oracle.truffle.api.object.DynamicObject	createSymbolSpeciesGetterFunction(JSRealm realm)
boolean	defineOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj, Object key, PropertyDescriptor desc, boolean doThrow) 9.1.6 [[DefineOwnProperty]] (P, Desc).
boolean	delete(com.oracle.truffle.api.object.DynamicObject thisObj, long index, boolean isStrict)
boolean	delete(com.oracle.truffle.api.object.DynamicObject thisObj, Object key, boolean isStrict) 9.1.10 [[Delete]] (P).
protected static boolean	deletePropertyDefault(com.oracle.truffle.api.object.DynamicObject object, Object key, boolean isStrict)
String	getBuiltinToStringTag(com.oracle.truffle.api.object.DynamicObject object) Returns builtinTag from step 14 of ES6+ 19.1.3.6.
Object	getHelper(com.oracle.truffle.api.object.DynamicObject store, Object thisObj, long index, com.oracle.truffle.api.nodes.Node encapsulatingNode)
Object	getHelper(com.oracle.truffle.api.object.DynamicObject store, Object thisObj, Object key, com.oracle.truffle.api.nodes.Node encapsulatingNode)
Object	getMethodHelper(com.oracle.truffle.api.object.DynamicObject store, Object thisObj, Object name, com.oracle.truffle.api.nodes.Node encapsulatingNode)
Object	getOwnHelper(com.oracle.truffle.api.object.DynamicObject 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(com.oracle.truffle.api.object.DynamicObject 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(com.oracle.truffle.api.object.DynamicObject thisObj, Object key) 9.1.5 [[GetOwnProperty]] (P).
List<Object>	getOwnPropertyKeys(com.oracle.truffle.api.object.DynamicObject thisObj, boolean strings, boolean symbols) GetOwnPropertyKeys (O, type).
com.oracle.truffle.api.object.DynamicObject	getPrototypeOf(com.oracle.truffle.api.object.DynamicObject thisObj) 9.1.1 [[GetPrototypeOf]] ().
boolean	hasOnlyShapeProperties(com.oracle.truffle.api.object.DynamicObject obj) If true, JSClass.ownPropertyKeys(com.oracle.truffle.api.object.DynamicObject) and JSShape.getProperties(com.oracle.truffle.api.object.Shape) enumerate the same keys.
boolean	hasOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj, long index)
boolean	hasOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj, Object key)
boolean	hasProperty(com.oracle.truffle.api.object.DynamicObject thisObj, long index)
boolean	hasProperty(com.oracle.truffle.api.object.DynamicObject thisObj, Object key) 9.1.7 [[HasProperty]] (P).
protected static boolean	invokeAccessorPropertySetter(PropertyDescriptor desc, com.oracle.truffle.api.object.DynamicObject thisObj, Object key, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
boolean	isExtensible(com.oracle.truffle.api.object.DynamicObject thisObj) 9.1.3 [[IsExtensible]] ().
static PropertyDescriptor	ordinaryGetOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj, Object key) 9.1.5.1 OrdinaryGetOwnProperty (O, P).
static PropertyDescriptor	ordinaryGetOwnPropertyIntl(com.oracle.truffle.api.object.DynamicObject thisObj, Object key, com.oracle.truffle.api.object.Property prop)
static List<Object>	ordinaryOwnPropertyKeys(com.oracle.truffle.api.object.DynamicObject thisObj)
protected static List<Object>	ordinaryOwnPropertyKeys(com.oracle.truffle.api.object.DynamicObject thisObj, boolean strings, boolean symbols)
protected static List<Object>	ordinaryOwnPropertyKeysSlow(com.oracle.truffle.api.object.DynamicObject thisObj, boolean strings, boolean symbols)
protected static boolean	ordinarySet(com.oracle.truffle.api.object.DynamicObject thisObj, Object key, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
protected static boolean	ordinarySetIndex(com.oracle.truffle.api.object.DynamicObject thisObj, long index, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
protected static boolean	ordinarySetWithReceiver(com.oracle.truffle.api.object.DynamicObject target, Object key, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
protected static boolean	performOrdinarySetWithOwnDescriptor(com.oracle.truffle.api.object.DynamicObject target, Object key, Object value, Object receiver, PropertyDescriptor desc, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
boolean	preventExtensions(com.oracle.truffle.api.object.DynamicObject thisObj, boolean doThrow) 9.1.4 [[PreventExtensions]] ().
protected boolean	preventExtensionsImpl(com.oracle.truffle.api.object.DynamicObject thisObj, int extraFlags)
protected static void	putConstructorSpeciesGetter(JSRealm realm, com.oracle.truffle.api.object.DynamicObject constructor)
boolean	set(com.oracle.truffle.api.object.DynamicObject thisObj, long index, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
boolean	set(com.oracle.truffle.api.object.DynamicObject 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(com.oracle.truffle.api.object.DynamicObject thisObj, boolean freeze, boolean doThrow) ES2015 7.3.14 SetIntegrityLevel(O, level).
protected boolean	setIntegrityLevelFast(com.oracle.truffle.api.object.DynamicObject thisObj, boolean freeze)
protected static boolean	setPropertySlow(com.oracle.truffle.api.object.DynamicObject thisObj, Object key, Object value, Object receiver, boolean isStrict, boolean isIndex, com.oracle.truffle.api.nodes.Node encapsulatingNode)
boolean	setPrototypeOf(com.oracle.truffle.api.object.DynamicObject thisObj, com.oracle.truffle.api.object.DynamicObject newPrototype) 9.1.2 [[SetPrototypeOf]] (V).
boolean	testIntegrityLevel(com.oracle.truffle.api.object.DynamicObject obj, boolean frozen) ES2015 7.3.15 TestIntegrityLevel(O, level).
protected static boolean	testIntegrityLevelFast(com.oracle.truffle.api.object.DynamicObject obj, boolean frozen)
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.
String	toString()
boolean	usesOrdinaryGetOwnProperty()
boolean	usesOrdinaryIsExtensible()

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

defaultToString, filterOwnPropertyKeys, formatToString, get, get, getClassName, getToStringTag, isInstance, isInstance, isInstance, isInstance, makeInitialShape, 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

Property Detail

usesOrdinaryGetOwn

public boolean usesOrdinaryGetOwnProperty

Specified by:

usesOrdinaryGetOwnProperty in class JSClass

Constructor Detail

JSNonProxy

protected JSNonProxy()

Method Detail

defineOwnProperty

public boolean defineOwnProperty(com.oracle.truffle.api.object.DynamicObject 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(com.oracle.truffle.api.object.DynamicObject 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(com.oracle.truffle.api.object.DynamicObject 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(com.oracle.truffle.api.object.DynamicObject store,
                        Object thisObj,
                        Object key,
                        com.oracle.truffle.api.nodes.Node encapsulatingNode)

Specified by:

getHelper in class JSClass

getHelper

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

Specified by:

getHelper in class JSClass

getMethodHelper

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

Specified by:

getMethodHelper in class JSClass

getOwnPropertyKeys

public List<Object> getOwnPropertyKeys(com.oracle.truffle.api.object.DynamicObject 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(com.oracle.truffle.api.object.DynamicObject thisObj)

ordinaryOwnPropertyKeys

protected static List<Object> ordinaryOwnPropertyKeys(com.oracle.truffle.api.object.DynamicObject thisObj,
                                                      boolean strings,
                                                      boolean symbols)

ordinaryOwnPropertyKeysSlow

protected static List<Object> ordinaryOwnPropertyKeysSlow(com.oracle.truffle.api.object.DynamicObject thisObj,
                                                          boolean strings,
                                                          boolean symbols)

hasOnlyShapeProperties

public boolean hasOnlyShapeProperties(com.oracle.truffle.api.object.DynamicObject obj)

Description copied from class: JSClass

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

Specified by:

hasOnlyShapeProperties in class JSClass

delete

public boolean delete(com.oracle.truffle.api.object.DynamicObject 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(com.oracle.truffle.api.object.DynamicObject object,
                                               Object key,
                                               boolean isStrict)

delete

public boolean delete(com.oracle.truffle.api.object.DynamicObject thisObj,
                      long index,
                      boolean isStrict)

Specified by:

delete in class JSClass

hasOwnProperty

public boolean hasOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj,
                              Object key)

Specified by:

hasOwnProperty in class JSClass

hasOwnProperty

public boolean hasOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj,
                              long index)

Specified by:

hasOwnProperty in class JSClass

hasProperty

public boolean hasProperty(com.oracle.truffle.api.object.DynamicObject thisObj,
                           long index)

Specified by:

hasProperty in class JSClass

hasProperty

public boolean hasProperty(com.oracle.truffle.api.object.DynamicObject thisObj,
                           Object key)

Description copied from class: JSClass

9.1.7 [[HasProperty]] (P).

Specified by:

hasProperty in class JSClass

set

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

ordinarySet

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

ordinarySetWithReceiver

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

performOrdinarySetWithOwnDescriptor

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

setPropertySlow

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

getOwnProperty

public PropertyDescriptor getOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj,
                                         Object key)

Description copied from class: JSClass

9.1.5 [[GetOwnProperty]] (P).

Specified by:

getOwnProperty in class JSClass

ordinaryGetOwnProperty

public static PropertyDescriptor ordinaryGetOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj,
                                                        Object key)

9.1.5.1 OrdinaryGetOwnProperty (O, P).

ordinaryGetOwnPropertyIntl

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

setIntegrityLevel

public boolean setIntegrityLevel(com.oracle.truffle.api.object.DynamicObject 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(com.oracle.truffle.api.object.DynamicObject thisObj,
                                              boolean freeze)

testIntegrityLevel

public boolean testIntegrityLevel(com.oracle.truffle.api.object.DynamicObject obj,
                                  boolean frozen)

ES2015 7.3.15 TestIntegrityLevel(O, level).

Overrides:

testIntegrityLevel in class JSClass

testIntegrityLevelFast

protected static boolean testIntegrityLevelFast(com.oracle.truffle.api.object.DynamicObject obj,
                                                boolean frozen)

preventExtensions

public boolean preventExtensions(com.oracle.truffle.api.object.DynamicObject thisObj,
                                 boolean doThrow)

Description copied from class: JSClass

9.1.4 [[PreventExtensions]] ().

Specified by:

preventExtensions in class JSClass

preventExtensionsImpl

protected final boolean preventExtensionsImpl(com.oracle.truffle.api.object.DynamicObject thisObj,
                                              int extraFlags)

isExtensible

public final boolean isExtensible(com.oracle.truffle.api.object.DynamicObject thisObj)

Description copied from class: JSClass

9.1.3 [[IsExtensible]] ().

Specified by:

isExtensible in class JSClass

toString

public String toString()

Specified by:

toString in class JSClass

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.

Specified by:

toDisplayStringImpl in class JSClass

depth - allowed nesting depth

context - the current language context

getPrototypeOf

public final com.oracle.truffle.api.object.DynamicObject getPrototypeOf(com.oracle.truffle.api.object.DynamicObject thisObj)

Description copied from class: JSClass

9.1.1 [[GetPrototypeOf]] ().

Specified by:

getPrototypeOf in class JSClass

setPrototypeOf

public boolean setPrototypeOf(com.oracle.truffle.api.object.DynamicObject thisObj,
                              com.oracle.truffle.api.object.DynamicObject newPrototype)

Description copied from class: JSClass

9.1.2 [[SetPrototypeOf]] (V).

Specified by:

setPrototypeOf in class JSClass

checkProtoCycle

public static boolean checkProtoCycle(com.oracle.truffle.api.object.DynamicObject thisObj,
                                      com.oracle.truffle.api.object.DynamicObject newPrototype)

putConstructorSpeciesGetter

protected static void putConstructorSpeciesGetter(JSRealm realm,
                                                  com.oracle.truffle.api.object.DynamicObject constructor)

createSymbolSpeciesGetterFunction

protected static com.oracle.truffle.api.object.DynamicObject createSymbolSpeciesGetterFunction(JSRealm realm)

getBuiltinToStringTag

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

usesOrdinaryGetOwnProperty

public boolean usesOrdinaryGetOwnProperty()

Specified by:

usesOrdinaryGetOwnProperty in class JSClass

usesOrdinaryIsExtensible

public boolean usesOrdinaryIsExtensible()

Specified by:

usesOrdinaryIsExtensible in class JSClass