com.oracle.truffle.js.runtime.objects

Class JSObject

java.lang.Object

com.oracle.truffle.api.object.DynamicObject

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

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

All Implemented Interfaces:

com.oracle.truffle.api.interop.TruffleObject

Direct Known Subclasses:

JSClassObject

public abstract class JSObject
extends JSDynamicObject

The common base class for all JavaScript objects (values of type Object according to the spec). Includes static methods for dealing with JS objects (internal methods).

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	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

Modifier and Type	Field and Description
static String	CONSTRUCTOR
protected static String[]	EMPTY_STRING_ARRAY
static com.oracle.truffle.api.object.HiddenKey	HIDDEN_PROTO
static String	NO_SUCH_METHOD_NAME
static String	NO_SUCH_PROPERTY_NAME
static String	PROTO
static String	PROTOTYPE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JSObject(com.oracle.truffle.api.object.Shape shape)

Method Summary

Modifier and Type	Method and Description
protected JSObject	copyWithoutProperties(com.oracle.truffle.api.object.Shape shape)
static String	defaultToString(com.oracle.truffle.api.object.DynamicObject obj)
static boolean	defineOwnProperty(com.oracle.truffle.api.object.DynamicObject obj, Object key, PropertyDescriptor desc)
static boolean	defineOwnProperty(com.oracle.truffle.api.object.DynamicObject obj, Object key, PropertyDescriptor desc, boolean doThrow)
static boolean	delete(com.oracle.truffle.api.object.DynamicObject obj, long index)
static boolean	delete(com.oracle.truffle.api.object.DynamicObject obj, long index, boolean isStrict)
static boolean	delete(com.oracle.truffle.api.object.DynamicObject obj, long index, boolean isStrict, JSClassProfile classProfile)
static boolean	delete(com.oracle.truffle.api.object.DynamicObject obj, Object key)
static boolean	delete(com.oracle.truffle.api.object.DynamicObject obj, Object key, boolean isStrict)
static boolean	delete(com.oracle.truffle.api.object.DynamicObject obj, Object key, boolean isStrict, JSClassProfile classProfile)
static List<String>	enumerableOwnNames(com.oracle.truffle.api.object.DynamicObject thisObj) 7.3.21 EnumerableOwnNames (O).
protected static String[]	filterEnumerableNames(com.oracle.truffle.api.object.DynamicObject target, Iterable<Object> ownKeys, JSClass jsclass)
static Object	get(com.oracle.truffle.api.object.DynamicObject obj, long index)
static Object	get(com.oracle.truffle.api.object.DynamicObject obj, long index, JSClassProfile jsclassProfile)
static Object	get(com.oracle.truffle.api.object.DynamicObject obj, Object key)
static Object	get(com.oracle.truffle.api.object.DynamicObject obj, Object key, JSClassProfile jsclassProfile)
static Object	get(com.oracle.truffle.api.interop.TruffleObject obj, long index)
static Object	get(com.oracle.truffle.api.interop.TruffleObject obj, Object key)
static ScriptArray	getArray(com.oracle.truffle.api.object.DynamicObject obj)
static String	getClassName(com.oracle.truffle.api.object.DynamicObject obj) The property [[Class]] of the object.
Object	getIterator(JavaScriptLanguage language, JSRealm realm, JSInteropGetIteratorNode getIteratorNode)
static JSClass	getJSClass(com.oracle.truffle.api.object.DynamicObject obj)
static JSContext	getJSContext(com.oracle.truffle.api.object.DynamicObject obj)
Class<? extends com.oracle.truffle.api.TruffleLanguage<?>>	getLanguage()
static Object	getMethod(com.oracle.truffle.api.object.DynamicObject obj, Object name)
static Object	getOrDefault(com.oracle.truffle.api.object.DynamicObject obj, long index, Object receiver, Object defaultValue)
static Object	getOrDefault(com.oracle.truffle.api.object.DynamicObject obj, long index, Object receiver, Object defaultValue, JSClassProfile jsclassProfile, com.oracle.truffle.api.nodes.Node encapsulatingNode)
static Object	getOrDefault(com.oracle.truffle.api.object.DynamicObject obj, Object key, Object receiver, Object defaultValue)
static Object	getOrDefault(com.oracle.truffle.api.object.DynamicObject obj, Object key, Object receiver, Object defaultValue, JSClassProfile jsclassProfile, com.oracle.truffle.api.nodes.Node encapsulatingNode)
static PropertyDescriptor	getOwnProperty(com.oracle.truffle.api.object.DynamicObject obj, Object key)
static PropertyDescriptor	getOwnProperty(com.oracle.truffle.api.object.DynamicObject obj, Object key, JSClassProfile classProfile)
static com.oracle.truffle.api.object.DynamicObject	getPrototype(com.oracle.truffle.api.object.DynamicObject obj)
static com.oracle.truffle.api.object.DynamicObject	getPrototype(com.oracle.truffle.api.object.DynamicObject obj, JSClassProfile jsclassProfile)
static ReadElementNode	getUncachedRead()
static WriteElementNode	getUncachedWrite()
static Object	getWithReceiver(com.oracle.truffle.api.object.DynamicObject obj, Object key, Object receiver, com.oracle.truffle.api.nodes.Node encapsulatingNode)
static boolean	hasArray(Object obj)
boolean	hasIterator(JavaScriptLanguage language, JSInteropGetIteratorNode getIteratorNode)
boolean	hasLanguage()
boolean	hasMemberReadSideEffects(String key, KeyInfoNode keyInfo)
boolean	hasMembers()
boolean	hasMemberWriteSideEffects(String key, KeyInfoNode keyInfo)
static boolean	hasOwnProperty(com.oracle.truffle.api.object.DynamicObject obj, long index)
static boolean	hasOwnProperty(com.oracle.truffle.api.object.DynamicObject obj, long index, JSClassProfile classProfile)
static boolean	hasOwnProperty(com.oracle.truffle.api.object.DynamicObject obj, Object key)
static boolean	hasOwnProperty(com.oracle.truffle.api.object.DynamicObject obj, Object key, JSClassProfile classProfile)
static boolean	hasProperty(com.oracle.truffle.api.object.DynamicObject obj, long index)
static boolean	hasProperty(com.oracle.truffle.api.object.DynamicObject obj, long index, JSClassProfile classProfile)
static boolean	hasProperty(com.oracle.truffle.api.object.DynamicObject obj, Object key)
static boolean	hasProperty(com.oracle.truffle.api.object.DynamicObject obj, Object key, JSClassProfile classProfile)
Object	invokeMember(String id, Object[] args, JavaScriptLanguage language, JSRealm realm, JSInteropInvokeNode callNode, ExportValueNode exportNode)
static boolean	isExtensible(com.oracle.truffle.api.object.DynamicObject obj)
static boolean	isExtensible(com.oracle.truffle.api.object.DynamicObject obj, JSClassProfile classProfile)
static boolean	isFrozen(com.oracle.truffle.api.object.DynamicObject obj)
static boolean	isJSObject(Object object) Returns whether object is a proper JavaScript Object.
boolean	isMemberInsertable(String key, KeyInfoNode keyInfo)
boolean	isMemberInvocable(String key, KeyInfoNode keyInfo)
boolean	isMemberModifiable(String key, KeyInfoNode keyInfo)
boolean	isMemberReadable(String key, KeyInfoNode keyInfo)
boolean	isMemberRemovable(String key, KeyInfoNode keyInfo)
static boolean	isSealed(com.oracle.truffle.api.object.DynamicObject obj)
static Object	ordinaryToPrimitive(com.oracle.truffle.api.object.DynamicObject obj, String hint) ES2018 7.1.1.1 OrdinaryToPrimitive.
static List<Object>	ownPropertyKeys(com.oracle.truffle.api.object.DynamicObject obj) [[OwnPropertyKeys]].
static List<Object>	ownPropertyKeys(com.oracle.truffle.api.object.DynamicObject obj, JSClassProfile classProfile)
static boolean	preventExtensions(com.oracle.truffle.api.object.DynamicObject obj)
static boolean	preventExtensions(com.oracle.truffle.api.object.DynamicObject obj, boolean doThrow)
Object	readMember(String key, com.oracle.truffle.api.TruffleLanguage.LanguageReference<JavaScriptLanguage> languageRef, ReadElementNode readNode, boolean bindMemberFunctions, ExportValueNode exportNode)
void	removeMember(String key)
static boolean	set(com.oracle.truffle.api.object.DynamicObject obj, long index, Object value)
static boolean	set(com.oracle.truffle.api.object.DynamicObject obj, long index, Object value, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
static boolean	set(com.oracle.truffle.api.object.DynamicObject obj, Object key, Object value)
static boolean	set(com.oracle.truffle.api.object.DynamicObject obj, Object key, Object value, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode)
static void	setArray(com.oracle.truffle.api.object.DynamicObject obj, ScriptArray array)
static boolean	setIntegrityLevel(com.oracle.truffle.api.object.DynamicObject obj, boolean freeze)
static boolean	setIntegrityLevel(com.oracle.truffle.api.object.DynamicObject obj, boolean freeze, boolean doThrow)
static boolean	setPrototype(com.oracle.truffle.api.object.DynamicObject obj, com.oracle.truffle.api.object.DynamicObject newPrototype)
static boolean	setPrototype(com.oracle.truffle.api.object.DynamicObject obj, com.oracle.truffle.api.object.DynamicObject newPrototype, JSClassProfile jsclassProfile)
static boolean	setWithReceiver(com.oracle.truffle.api.object.DynamicObject obj, long index, Object value, Object receiver, boolean isStrict, JSClassProfile classProfile, com.oracle.truffle.api.nodes.Node encapsulatingNode)
static boolean	setWithReceiver(com.oracle.truffle.api.object.DynamicObject obj, Object key, Object value, Object receiver, boolean isStrict, JSClassProfile classProfile, com.oracle.truffle.api.nodes.Node encapsulatingNode) [[Set]] with a receiver different than the default.
static boolean	testIntegrityLevel(com.oracle.truffle.api.object.DynamicObject obj, boolean frozen)
Object	toDisplayString(boolean allowSideEffects)
static String	toDisplayString(com.oracle.truffle.api.object.DynamicObject obj, int depth, boolean allowSideEffects)
static Object	toPrimitive(com.oracle.truffle.api.object.DynamicObject obj)
static Object	toPrimitive(com.oracle.truffle.api.object.DynamicObject obj, String hint) ES2015 7.1.1 ToPrimitive in case an Object is passed.
void	writeMember(String key, Object value, KeyInfoNode keyInfo, ImportValueNode castValueNode, com.oracle.truffle.api.TruffleLanguage.LanguageReference<JavaScriptLanguage> languageRef, WriteElementNode writeNode)

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

defaultToString, defineOwnProperty, delete, delete, getBuiltinToStringTag, getClassName, getDynamicType, getHelper, getHelper, getIntOrDefault, getJSClass, getJSContext, getJSSharedData, getKeyArray, getMethodHelper, getObjectFlags, getOrDefault, getOrNull, getOwnHelper, getOwnHelper, getOwnProperty, getOwnPropertyKeys, getProperty, getPropertyArray, getPropertyFlags, getPrototypeOf, getValue, getValue, hasOnlyShapeProperties, hasOwnProperty, hasOwnProperty, hasProperty, hasProperty, identityHashCode, isExtensible, isJSDynamicObject, ownPropertyKeys, preventExtensions, removeKey, set, set, setIntegrityLevel, setJSClass, setObjectFlags, setPropertyFlags, setPrototypeOf, testIntegrityLevel, testProperties, toDisplayStringImpl, toString, updatePropertyFlags

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

clone, getShape

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

CONSTRUCTOR

public static final String CONSTRUCTOR

See Also:

Constant Field Values

PROTOTYPE

public static final String PROTOTYPE

See Also:

Constant Field Values

PROTO

public static final String PROTO

See Also:

Constant Field Values

HIDDEN_PROTO

public static final com.oracle.truffle.api.object.HiddenKey HIDDEN_PROTO

NO_SUCH_PROPERTY_NAME

public static final String NO_SUCH_PROPERTY_NAME

See Also:

Constant Field Values

NO_SUCH_METHOD_NAME

public static final String NO_SUCH_METHOD_NAME

See Also:

Constant Field Values

EMPTY_STRING_ARRAY

protected static final String[] EMPTY_STRING_ARRAY

Constructor Detail

JSObject

protected JSObject(com.oracle.truffle.api.object.Shape shape)

Method Detail

copyWithoutProperties

protected JSObject copyWithoutProperties(com.oracle.truffle.api.object.Shape shape)

isJSObject

public static boolean isJSObject(Object object)

Returns whether object is a proper JavaScript Object.

hasMembers

public final boolean hasMembers()

filterEnumerableNames

protected static String[] filterEnumerableNames(com.oracle.truffle.api.object.DynamicObject target,
                                                Iterable<Object> ownKeys,
                                                JSClass jsclass)

readMember

public final Object readMember(String key,
                               com.oracle.truffle.api.TruffleLanguage.LanguageReference<JavaScriptLanguage> languageRef,
                               ReadElementNode readNode,
                               boolean bindMemberFunctions,
                               ExportValueNode exportNode)
                        throws com.oracle.truffle.api.interop.UnknownIdentifierException

Throws:

com.oracle.truffle.api.interop.UnknownIdentifierException

isMemberReadable

public final boolean isMemberReadable(String key,
                                      KeyInfoNode keyInfo)

writeMember

public final void writeMember(String key,
                              Object value,
                              KeyInfoNode keyInfo,
                              ImportValueNode castValueNode,
                              com.oracle.truffle.api.TruffleLanguage.LanguageReference<JavaScriptLanguage> languageRef,
                              WriteElementNode writeNode)
                       throws com.oracle.truffle.api.interop.UnknownIdentifierException,
                              com.oracle.truffle.api.interop.UnsupportedMessageException

Throws:

com.oracle.truffle.api.interop.UnknownIdentifierException

com.oracle.truffle.api.interop.UnsupportedMessageException

isMemberModifiable

public final boolean isMemberModifiable(String key,
                                        KeyInfoNode keyInfo)

isMemberInsertable

public final boolean isMemberInsertable(String key,
                                        KeyInfoNode keyInfo)

removeMember

public final void removeMember(String key)
                        throws com.oracle.truffle.api.interop.UnsupportedMessageException

Throws:

com.oracle.truffle.api.interop.UnsupportedMessageException

isMemberRemovable

public final boolean isMemberRemovable(String key,
                                       KeyInfoNode keyInfo)

invokeMember

public final Object invokeMember(String id,
                                 Object[] args,
                                 JavaScriptLanguage language,
                                 JSRealm realm,
                                 JSInteropInvokeNode callNode,
                                 ExportValueNode exportNode)
                          throws com.oracle.truffle.api.interop.UnsupportedMessageException,
                                 com.oracle.truffle.api.interop.UnknownIdentifierException

Throws:

com.oracle.truffle.api.interop.UnsupportedMessageException

com.oracle.truffle.api.interop.UnknownIdentifierException

isMemberInvocable

public final boolean isMemberInvocable(String key,
                                       KeyInfoNode keyInfo)

hasMemberReadSideEffects

public final boolean hasMemberReadSideEffects(String key,
                                              KeyInfoNode keyInfo)

hasMemberWriteSideEffects

public final boolean hasMemberWriteSideEffects(String key,
                                               KeyInfoNode keyInfo)

hasIterator

public boolean hasIterator(JavaScriptLanguage language,
                           JSInteropGetIteratorNode getIteratorNode)

getIterator

public Object getIterator(JavaScriptLanguage language,
                          JSRealm realm,
                          JSInteropGetIteratorNode getIteratorNode)
                   throws com.oracle.truffle.api.interop.UnsupportedMessageException

Throws:

com.oracle.truffle.api.interop.UnsupportedMessageException

hasLanguage

public final boolean hasLanguage()

getLanguage

public final Class<? extends com.oracle.truffle.api.TruffleLanguage<?>> getLanguage()

toDisplayString

public final Object toDisplayString(boolean allowSideEffects)

getUncachedRead

public static ReadElementNode getUncachedRead()

getUncachedWrite

public static WriteElementNode getUncachedWrite()

getJSClass

public static JSClass getJSClass(com.oracle.truffle.api.object.DynamicObject obj)

getPrototype

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

getPrototype

public static com.oracle.truffle.api.object.DynamicObject getPrototype(com.oracle.truffle.api.object.DynamicObject obj,
                                                                       JSClassProfile jsclassProfile)

setPrototype

public static boolean setPrototype(com.oracle.truffle.api.object.DynamicObject obj,
                                   com.oracle.truffle.api.object.DynamicObject newPrototype)

setPrototype

public static boolean setPrototype(com.oracle.truffle.api.object.DynamicObject obj,
                                   com.oracle.truffle.api.object.DynamicObject newPrototype,
                                   JSClassProfile jsclassProfile)

get

public static Object get(com.oracle.truffle.api.object.DynamicObject obj,
                         long index)

get

public static Object get(com.oracle.truffle.api.object.DynamicObject obj,
                         Object key)

get

public static Object get(com.oracle.truffle.api.interop.TruffleObject obj,
                         Object key)

get

public static Object get(com.oracle.truffle.api.interop.TruffleObject obj,
                         long index)

getMethod

public static Object getMethod(com.oracle.truffle.api.object.DynamicObject obj,
                               Object name)

set

public static boolean set(com.oracle.truffle.api.object.DynamicObject obj,
                          long index,
                          Object value)

set

public static boolean set(com.oracle.truffle.api.object.DynamicObject obj,
                          Object key,
                          Object value)

set

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

set

public static boolean set(com.oracle.truffle.api.object.DynamicObject obj,
                          Object key,
                          Object value,
                          boolean isStrict,
                          com.oracle.truffle.api.nodes.Node encapsulatingNode)

setWithReceiver

public static boolean setWithReceiver(com.oracle.truffle.api.object.DynamicObject obj,
                                      Object key,
                                      Object value,
                                      Object receiver,
                                      boolean isStrict,
                                      JSClassProfile classProfile,
                                      com.oracle.truffle.api.nodes.Node encapsulatingNode)

[[Set]] with a receiver different than the default.

setWithReceiver

public static boolean setWithReceiver(com.oracle.truffle.api.object.DynamicObject obj,
                                      long index,
                                      Object value,
                                      Object receiver,
                                      boolean isStrict,
                                      JSClassProfile classProfile,
                                      com.oracle.truffle.api.nodes.Node encapsulatingNode)

delete

public static boolean delete(com.oracle.truffle.api.object.DynamicObject obj,
                             long index)

delete

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

delete

public static boolean delete(com.oracle.truffle.api.object.DynamicObject obj,
                             long index,
                             boolean isStrict,
                             JSClassProfile classProfile)

delete

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

delete

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

delete

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

hasOwnProperty

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

hasOwnProperty

public static boolean hasOwnProperty(com.oracle.truffle.api.object.DynamicObject obj,
                                     long index,
                                     JSClassProfile classProfile)

hasOwnProperty

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

hasOwnProperty

public static boolean hasOwnProperty(com.oracle.truffle.api.object.DynamicObject obj,
                                     Object key,
                                     JSClassProfile classProfile)

hasProperty

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

hasProperty

public static boolean hasProperty(com.oracle.truffle.api.object.DynamicObject obj,
                                  long index,
                                  JSClassProfile classProfile)

hasProperty

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

hasProperty

public static boolean hasProperty(com.oracle.truffle.api.object.DynamicObject obj,
                                  Object key,
                                  JSClassProfile classProfile)

getOwnProperty

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

getOwnProperty

public static PropertyDescriptor getOwnProperty(com.oracle.truffle.api.object.DynamicObject obj,
                                                Object key,
                                                JSClassProfile classProfile)

ownPropertyKeys

public static List<Object> ownPropertyKeys(com.oracle.truffle.api.object.DynamicObject obj)

[[OwnPropertyKeys]]. The returned keys are instanceof (String, Symbol).

ownPropertyKeys

public static List<Object> ownPropertyKeys(com.oracle.truffle.api.object.DynamicObject obj,
                                           JSClassProfile classProfile)

enumerableOwnNames

public static List<String> enumerableOwnNames(com.oracle.truffle.api.object.DynamicObject thisObj)

7.3.21 EnumerableOwnNames (O).

defineOwnProperty

public static boolean defineOwnProperty(com.oracle.truffle.api.object.DynamicObject obj,
                                        Object key,
                                        PropertyDescriptor desc)

defineOwnProperty

public static boolean defineOwnProperty(com.oracle.truffle.api.object.DynamicObject obj,
                                        Object key,
                                        PropertyDescriptor desc,
                                        boolean doThrow)

get

public static Object get(com.oracle.truffle.api.object.DynamicObject obj,
                         Object key,
                         JSClassProfile jsclassProfile)

get

public static Object get(com.oracle.truffle.api.object.DynamicObject obj,
                         long index,
                         JSClassProfile jsclassProfile)

getOrDefault

public static Object getOrDefault(com.oracle.truffle.api.object.DynamicObject obj,
                                  Object key,
                                  Object receiver,
                                  Object defaultValue,
                                  JSClassProfile jsclassProfile,
                                  com.oracle.truffle.api.nodes.Node encapsulatingNode)

getOrDefault

public static Object getOrDefault(com.oracle.truffle.api.object.DynamicObject obj,
                                  long index,
                                  Object receiver,
                                  Object defaultValue,
                                  JSClassProfile jsclassProfile,
                                  com.oracle.truffle.api.nodes.Node encapsulatingNode)

getOrDefault

public static Object getOrDefault(com.oracle.truffle.api.object.DynamicObject obj,
                                  Object key,
                                  Object receiver,
                                  Object defaultValue)

getOrDefault

public static Object getOrDefault(com.oracle.truffle.api.object.DynamicObject obj,
                                  long index,
                                  Object receiver,
                                  Object defaultValue)

getWithReceiver

public static Object getWithReceiver(com.oracle.truffle.api.object.DynamicObject obj,
                                     Object key,
                                     Object receiver,
                                     com.oracle.truffle.api.nodes.Node encapsulatingNode)

defaultToString

public static String defaultToString(com.oracle.truffle.api.object.DynamicObject obj)

toDisplayString

public static String toDisplayString(com.oracle.truffle.api.object.DynamicObject obj,
                                     int depth,
                                     boolean allowSideEffects)

toPrimitive

public static Object toPrimitive(com.oracle.truffle.api.object.DynamicObject obj,
                                 String hint)

ES2015 7.1.1 ToPrimitive in case an Object is passed.

toPrimitive

public static Object toPrimitive(com.oracle.truffle.api.object.DynamicObject obj)

ordinaryToPrimitive

public static Object ordinaryToPrimitive(com.oracle.truffle.api.object.DynamicObject obj,
                                         String hint)

ES2018 7.1.1.1 OrdinaryToPrimitive.

preventExtensions

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

preventExtensions

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

isExtensible

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

isExtensible

public static boolean isExtensible(com.oracle.truffle.api.object.DynamicObject obj,
                                   JSClassProfile classProfile)

getClassName

public static String getClassName(com.oracle.truffle.api.object.DynamicObject obj)

The property [[Class]] of the object. This is the second part of what Object.prototype.toString.call(myObj) returns, e.g. "[object Array]".

Returns:

the internal property [[Class]] of the object.

isFrozen

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

isSealed

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

getArray

public static ScriptArray getArray(com.oracle.truffle.api.object.DynamicObject obj)

setArray

public static void setArray(com.oracle.truffle.api.object.DynamicObject obj,
                            ScriptArray array)

hasArray

public static boolean hasArray(Object obj)

getJSContext

public static JSContext getJSContext(com.oracle.truffle.api.object.DynamicObject obj)

testIntegrityLevel

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

setIntegrityLevel

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

setIntegrityLevel

public static boolean setIntegrityLevel(com.oracle.truffle.api.object.DynamicObject obj,
                                        boolean freeze,
                                        boolean doThrow)