com.oracle.truffle.js.runtime.objects

Class JSClassObject

java.lang.Object

com.oracle.truffle.api.object.DynamicObject

com.oracle.truffle.js.runtime.objects.JSDynamicObject

com.oracle.truffle.js.runtime.objects.JSObject

com.oracle.truffle.js.runtime.objects.JSClassObject

All Implemented Interfaces:

com.oracle.truffle.api.interop.TruffleObject

Direct Known Subclasses:

JSAdapterObject, JSNonProxyObject, JSProxyObject

public abstract class JSClassObject
extends JSObject

Delegates methods to JSClass.

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.truffle.js.runtime.objects.JSObject

JSObject.GetMembers

Nested classes/interfaces inherited from class com.oracle.truffle.js.runtime.objects.JSDynamicObject

JSDynamicObject.IsIdenticalOrUndefined

Nested classes/interfaces inherited from class com.oracle.truffle.api.object.DynamicObject

com.oracle.truffle.api.object.DynamicObject.DynamicField

Field Summary

Fields inherited from class com.oracle.truffle.js.runtime.objects.JSObject

CONSTRUCTOR, EMPTY_STRING_ARRAY, HIDDEN_PROTO, NO_SUCH_METHOD_NAME, NO_SUCH_PROPERTY_NAME, PROTO, PROTOTYPE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JSClassObject(com.oracle.truffle.api.object.Shape shape, JSDynamicObject proto)

Method Summary

Modifier and Type	Method and Description
boolean	defineOwnProperty(Object key, PropertyDescriptor value, boolean doThrow) 9.1.6 [[DefineOwnProperty]] (P, Desc).
boolean	delete(long index, boolean isStrict)
boolean	delete(Object key, boolean isStrict) 9.1.10 [[Delete]] (P).
com.oracle.truffle.api.strings.TruffleString	getBuiltinToStringTag() Returns builtinTag from step 14 of ES6+ 19.1.3.6.
com.oracle.truffle.api.strings.TruffleString	getClassName() The [[Class]] internal property.
Object	getHelper(Object receiver, long index, com.oracle.truffle.api.nodes.Node encapsulatingNode)
Object	getHelper(Object receiver, Object key, com.oracle.truffle.api.nodes.Node encapsulatingNode)
Object	getMethodHelper(Object receiver, Object key, com.oracle.truffle.api.nodes.Node encapsulatingNode)
Object	getOwnHelper(Object receiver, long index, com.oracle.truffle.api.nodes.Node encapsulatingNode)
Object	getOwnHelper(Object receiver, Object key, com.oracle.truffle.api.nodes.Node encapsulatingNode)
PropertyDescriptor	getOwnProperty(Object propertyKey) 9.1.5 [[GetOwnProperty]] (P).
List<Object>	getOwnPropertyKeys(boolean strings, boolean symbols) GetOwnPropertyKeys (O, type).
JSDynamicObject	getPrototypeOf() 9.1.1 [[GetPrototypeOf]] ().
boolean	hasOnlyShapeProperties() If true, JSDynamicObject.ownPropertyKeys() and JSShape.getProperties(com.oracle.truffle.api.object.Shape) enumerate the same keys.
boolean	hasOwnProperty(long index)
boolean	hasOwnProperty(Object key)
boolean	hasProperty(long index)
boolean	hasProperty(Object key) 9.1.7 [[HasProperty]] (P).
boolean	isExtensible() 9.1.3 [[IsExtensible]] ().
boolean	preventExtensions(boolean doThrow) 9.1.4 [[PreventExtensions]] ().
boolean	set(long index, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
boolean	set(Object key, Object value, Object receiver, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode) 9.1.9 [[Set]] (P, V, Receiver).
boolean	setIntegrityLevel(boolean freeze, boolean doThrow) ES2015 7.3.14 SetIntegrityLevel(O, level).
boolean	setPrototypeOf(JSDynamicObject newPrototype) 9.1.2 [[SetPrototypeOf]] (V).
boolean	testIntegrityLevel(boolean frozen) ES2015 7.3.15 TestIntegrityLevel(O, level).
com.oracle.truffle.api.strings.TruffleString	toDisplayStringImpl(boolean allowSideEffects, ToDisplayStringFormat format, int depth) A more informative toString variant, mainly used for error messages.

Methods inherited from class com.oracle.truffle.js.runtime.objects.JSObject

copyWithoutProperties, defaultToString, defineOwnProperty, defineOwnProperty, delete, delete, delete, delete, delete, delete, enumerableOwnNames, filterEnumerableNames, get, get, get, get, getArray, getClassName, getIterator, getJSClass, getJSContext, getLanguage, getMethod, getMethod, getOrDefault, getOrDefault, getOrDefault, getOrDefault, getOwnProperty, getOwnProperty, getPrototype, getPrototype, getUncachedRead, getUncachedWrite, getWithReceiver, hasArray, hasIterator, hasLanguage, hasMemberReadSideEffects, hasMembers, hasMemberWriteSideEffects, hasOwnProperty, hasOwnProperty, hasOwnProperty, hasOwnProperty, hasProperty, hasProperty, hasProperty, hasProperty, invokeMember, isExtensible, isExtensible, isFrozen, isJSObject, isMemberInsertable, isMemberInvocable, isMemberModifiable, isMemberReadable, isMemberRemovable, isSealed, language, ordinaryToPrimitive, ownPropertyKeys, ownPropertyKeys, preventExtensions, preventExtensions, readMember, removeMember, set, set, set, set, setArray, setIntegrityLevel, setIntegrityLevel, setPrototype, setPrototype, setWithReceiver, setWithReceiver, testIntegrityLevel, toDisplayString, toPrimitive, toPrimitive, writeMember

Methods inherited from class com.oracle.truffle.js.runtime.objects.JSDynamicObject

defaultToString, getDynamicType, getIntOrDefault, getJSClass, getJSContext, getJSSharedData, getKeyArray, getObjectFlags, getOrDefault, getOrNull, getProperty, getPropertyArray, getPropertyFlags, getValue, getValue, identityHashCode, isJSDynamicObject, ownPropertyKeys, removeKey, setJSClass, setObjectFlags, setPropertyFlags, testProperties, updatePropertyFlags

Methods inherited from class com.oracle.truffle.api.object.DynamicObject

clone, getShape

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JSClassObject

protected JSClassObject(com.oracle.truffle.api.object.Shape shape,
                        JSDynamicObject proto)

Method Detail

getClassName

public com.oracle.truffle.api.strings.TruffleString getClassName()

Description copied from class: JSDynamicObject

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 JSDynamicObject

getPrototypeOf

public JSDynamicObject getPrototypeOf()

Description copied from class: JSDynamicObject

9.1.1 [[GetPrototypeOf]] ().

Specified by:

getPrototypeOf in class JSDynamicObject

setPrototypeOf

public boolean setPrototypeOf(JSDynamicObject newPrototype)

Description copied from class: JSDynamicObject

9.1.2 [[SetPrototypeOf]] (V).

Specified by:

setPrototypeOf in class JSDynamicObject

isExtensible

public boolean isExtensible()

Description copied from class: JSDynamicObject

9.1.3 [[IsExtensible]] ().

Specified by:

isExtensible in class JSDynamicObject

preventExtensions

public boolean preventExtensions(boolean doThrow)

Description copied from class: JSDynamicObject

9.1.4 [[PreventExtensions]] ().

Specified by:

preventExtensions in class JSDynamicObject

getOwnProperty

public PropertyDescriptor getOwnProperty(Object propertyKey)

Description copied from class: JSDynamicObject

9.1.5 [[GetOwnProperty]] (P).

Specified by:

getOwnProperty in class JSDynamicObject

defineOwnProperty

public boolean defineOwnProperty(Object key,
                                 PropertyDescriptor value,
                                 boolean doThrow)

Description copied from class: JSDynamicObject

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

Specified by:

defineOwnProperty in class JSDynamicObject

hasProperty

public boolean hasProperty(Object key)

Description copied from class: JSDynamicObject

9.1.7 [[HasProperty]] (P).

Specified by:

hasProperty in class JSDynamicObject

hasProperty

public boolean hasProperty(long index)

Specified by:

hasProperty in class JSDynamicObject

hasOwnProperty

public boolean hasOwnProperty(Object key)

Specified by:

hasOwnProperty in class JSDynamicObject

hasOwnProperty

public boolean hasOwnProperty(long index)

Specified by:

hasOwnProperty in class JSDynamicObject

getHelper

public Object getHelper(Object receiver,
                        Object key,
                        com.oracle.truffle.api.nodes.Node encapsulatingNode)

Specified by:

getHelper in class JSDynamicObject

getHelper

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

Specified by:

getHelper in class JSDynamicObject

getOwnHelper

public Object getOwnHelper(Object receiver,
                           Object key,
                           com.oracle.truffle.api.nodes.Node encapsulatingNode)

Specified by:

getOwnHelper in class JSDynamicObject

getOwnHelper

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

Specified by:

getOwnHelper in class JSDynamicObject

getMethodHelper

public Object getMethodHelper(Object receiver,
                              Object key,
                              com.oracle.truffle.api.nodes.Node encapsulatingNode)

Specified by:

getMethodHelper in class JSDynamicObject

set

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

Description copied from class: JSDynamicObject

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

Specified by:

set in class JSDynamicObject

set

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

Specified by:

set in class JSDynamicObject

delete

public boolean delete(Object key,
                      boolean isStrict)

Description copied from class: JSDynamicObject

9.1.10 [[Delete]] (P).

Specified by:

delete in class JSDynamicObject

delete

public boolean delete(long index,
                      boolean isStrict)

Specified by:

delete in class JSDynamicObject

getOwnPropertyKeys

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

Description copied from class: JSDynamicObject

GetOwnPropertyKeys (O, type).

Specified by:

getOwnPropertyKeys in class JSDynamicObject

Returns:

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

hasOnlyShapeProperties

public boolean hasOnlyShapeProperties()

Description copied from class: JSDynamicObject

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

Specified by:

hasOnlyShapeProperties in class JSDynamicObject

toDisplayStringImpl

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

Description copied from class: JSDynamicObject

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

Specified by:

toDisplayStringImpl in class JSDynamicObject

format - formatting parameters

depth - current nesting depth

getBuiltinToStringTag

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

Description copied from class: JSDynamicObject

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

Overrides:

getBuiltinToStringTag in class JSDynamicObject

Returns:

"Object" by default

See Also:

JSDynamicObject.defaultToString()

setIntegrityLevel

public boolean setIntegrityLevel(boolean freeze,
                                 boolean doThrow)

Description copied from class: JSDynamicObject

ES2015 7.3.14 SetIntegrityLevel(O, level).

Overrides:

setIntegrityLevel in class JSDynamicObject

testIntegrityLevel

public boolean testIntegrityLevel(boolean frozen)

Description copied from class: JSDynamicObject

ES2015 7.3.15 TestIntegrityLevel(O, level).

Overrides:

testIntegrityLevel in class JSDynamicObject