com.oracle.truffle.js.runtime.builtins

Class JSDictionary

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.JSDictionary

public final class JSDictionary
extends JSNonProxy

This is a variant of JSOrdinary that stores its contents as a HashMap of properties (excepts hidden properties, incl. prototype).

Property Summary

Type	Property and Description
boolean	usesOrdinaryGetOwn

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLASS_NAME
static JSDictionary	INSTANCE

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)
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	dictionaryObjectSet(com.oracle.truffle.api.object.DynamicObject thisObj, Object key, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
String	getClassName(com.oracle.truffle.api.object.DynamicObject object) The [[Class]] internal property.
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).
static Object	getValue(PropertyDescriptor property, Object receiver, com.oracle.truffle.api.nodes.Node encapsulatingNode)
boolean	hasOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj, Object key)
static boolean	isJSDictionaryObject(com.oracle.truffle.api.object.DynamicObject obj)
static boolean	isJSDictionaryObject(Object obj)
static void	makeDictionaryObject(com.oracle.truffle.api.object.DynamicObject obj, String reason)
static com.oracle.truffle.api.object.Shape	makeDictionaryShape(JSContext context, com.oracle.truffle.api.object.DynamicObject prototype)
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).
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.
boolean	usesOrdinaryGetOwnProperty()

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

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

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

defaultToString, filterOwnPropertyKeys, formatToString, get, get, 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

Overrides:

usesOrdinaryGetOwnProperty in class JSNonProxy

Field Detail

CLASS_NAME

public static final String CLASS_NAME

See Also:

Constant Field Values

INSTANCE

public static final JSDictionary INSTANCE

Method Detail

isJSDictionaryObject

public static boolean isJSDictionaryObject(Object obj)

isJSDictionaryObject

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

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

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.

Overrides:

getOwnHelper in class JSNonProxy

getValue

public static Object getValue(PropertyDescriptor property,
                              Object receiver,
                              com.oracle.truffle.api.nodes.Node encapsulatingNode)

getOwnPropertyKeys

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

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).

Overrides:

delete in class JSNonProxy

delete

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

Overrides:

delete in class JSNonProxy

hasOwnProperty

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

Overrides:

hasOwnProperty in class JSNonProxy

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)

Overrides:

set in class JSNonProxy

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).

Overrides:

set in class JSNonProxy

dictionaryObjectSet

protected static boolean dictionaryObjectSet(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).

Overrides:

getOwnProperty in class JSNonProxy

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).

Overrides:

defineOwnProperty in class JSNonProxy

makeDictionaryObject

public static void makeDictionaryObject(com.oracle.truffle.api.object.DynamicObject obj,
                                        String reason)

makeDictionaryShape

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

create

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

usesOrdinaryGetOwnProperty

public boolean usesOrdinaryGetOwnProperty()

Overrides:

usesOrdinaryGetOwnProperty in class JSNonProxy