com.oracle.truffle.js.runtime.builtins

Class JSAbstractArray

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.JSAbstractArray

Direct Known Subclasses:

JSAbstractArgumentsArray, JSArray, JSSlowArray

public abstract class JSAbstractArray
extends JSNonProxy

Property Summary

Type	Property and Description
boolean	usesOrdinaryGetOwn

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	ARRAY_LENGTH_NOT_WRITABLE
static String	ARRAY_PROTOTYPE_NO_ELEMENTS_INVALIDATION
protected static String	CANNOT_REDEFINE_PROPERTY_LENGTH
static Comparator<Object>	DEFAULT_JSARRAY_COMPARATOR
static Comparator<Object>	DEFAULT_JSARRAY_DOUBLE_COMPARATOR
static Comparator<Object>	DEFAULT_JSARRAY_INTEGER_COMPARATOR
static com.oracle.truffle.api.object.HiddenKey	LAZY_REGEX_ORIGINAL_INPUT_ID
static com.oracle.truffle.api.object.HiddenKey	LAZY_REGEX_RESULT_ID
static String	LENGTH
protected static String	MAKE_SLOW_ARRAY_NEVER_PART_OF_COMPILATION_MESSAGE

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

EMPTY_STRING_ARRAY

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JSAbstractArray()

Method Summary

Modifier and Type	Method and Description
protected static ArrayAccess	arrayAccess()
static ArrayAllocationSite	arrayGetAllocationSite(com.oracle.truffle.api.object.DynamicObject thisObj)
static Object	arrayGetArray(com.oracle.truffle.api.object.DynamicObject thisObj)
static int	arrayGetArrayOffset(com.oracle.truffle.api.object.DynamicObject thisObj)
static ScriptArray	arrayGetArrayType(com.oracle.truffle.api.object.DynamicObject thisObj)
static int	arrayGetHoleCount(com.oracle.truffle.api.object.DynamicObject thisObj)
static long	arrayGetIndexOffset(com.oracle.truffle.api.object.DynamicObject thisObj)
static long	arrayGetLength(com.oracle.truffle.api.object.DynamicObject thisObj)
static Object	arrayGetRegexResult(com.oracle.truffle.api.object.DynamicObject thisObj, com.oracle.truffle.api.object.DynamicObjectLibrary lazyRegexResult)
static String	arrayGetRegexResultOriginalInput(com.oracle.truffle.api.object.DynamicObject thisObj, com.oracle.truffle.api.object.DynamicObjectLibrary lazyRegexResultOriginalInput)
static int	arrayGetUsedLength(com.oracle.truffle.api.object.DynamicObject thisObj)
static void	arraySetArray(com.oracle.truffle.api.object.DynamicObject thisObj, Object array)
static void	arraySetArrayOffset(com.oracle.truffle.api.object.DynamicObject thisObj, int arrayOffset)
static void	arraySetArrayType(com.oracle.truffle.api.object.DynamicObject thisObj, ScriptArray arrayType)
static void	arraySetHoleCount(com.oracle.truffle.api.object.DynamicObject thisObj, int holeCount)
static void	arraySetIndexOffset(com.oracle.truffle.api.object.DynamicObject thisObj, long indexOffset)
static void	arraySetLength(com.oracle.truffle.api.object.DynamicObject thisObj, int length)
static void	arraySetLength(com.oracle.truffle.api.object.DynamicObject thisObj, long length)
static void	arraySetUsedLength(com.oracle.truffle.api.object.DynamicObject thisObj, int usedLength)
boolean	defineOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj, Object key, PropertyDescriptor descriptor, boolean doThrow) 9.1.6 [[DefineOwnProperty]] (P, Desc).
protected boolean	defineOwnPropertyIndex(com.oracle.truffle.api.object.DynamicObject thisObj, String name, PropertyDescriptor descriptor, boolean doThrow) Implements part "3" of 15.4.5.1 [[DefineOwnProperty]], redefining one of the index property of an Array.
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).
String	getBuiltinToStringTag(com.oracle.truffle.api.object.DynamicObject object) Returns builtinTag from step 14 of ES6+ 19.1.3.6.
long	getLength(com.oracle.truffle.api.object.DynamicObject thisObj)
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).
boolean	hasOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj, long index)
boolean	hasOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj, Object key)
protected boolean	isSlowArray(com.oracle.truffle.api.object.DynamicObject thisObj)
protected com.oracle.truffle.api.object.DynamicObject	makeSlowArray(com.oracle.truffle.api.object.DynamicObject thisObj)
static PropertyDescriptor	ordinaryGetOwnPropertyArray(com.oracle.truffle.api.object.DynamicObject thisObj, Object key) 9.1.5.1 OrdinaryGetOwnProperty (O, P), implemented for Arrays.
protected static List<Object>	ownPropertyKeysFastArray(com.oracle.truffle.api.object.DynamicObject thisObj, boolean strings, boolean symbols)
protected static List<Object>	ownPropertyKeysSlowArray(com.oracle.truffle.api.object.DynamicObject thisObj, boolean strings, boolean symbols)
boolean	preventExtensions(com.oracle.truffle.api.object.DynamicObject thisObj, boolean doThrow) 9.1.4 [[PreventExtensions]] ().
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).
boolean	setLength(com.oracle.truffle.api.object.DynamicObject thisObj, long length, boolean doThrow)
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 thisObj, boolean frozen) ES2015 7.3.15 TestIntegrityLevel(O, level).
static Object[]	toArray(com.oracle.truffle.api.object.DynamicObject thisObj)
static long	toArrayLengthOrRangeError(Number len, Number len32)
protected static long	toArrayLengthOrRangeError(Object obj)
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, getHelper, getHelper, getMethodHelper, getPrototypeOf, hasOnlyShapeProperties, hasProperty, hasProperty, invokeAccessorPropertySetter, isExtensible, ordinaryGetOwnProperty, ordinaryGetOwnPropertyIntl, ordinaryOwnPropertyKeys, ordinaryOwnPropertyKeys, ordinaryOwnPropertyKeysSlow, ordinarySet, ordinarySetIndex, ordinarySetWithReceiver, performOrdinarySetWithOwnDescriptor, preventExtensionsImpl, putConstructorSpeciesGetter, setIntegrityLevelFast, setPropertySlow, testIntegrityLevelFast, toString, 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

Overrides:

usesOrdinaryGetOwnProperty in class JSNonProxy

Field Detail

LENGTH

public static final String LENGTH

See Also:

Constant Field Values

ARRAY_LENGTH_NOT_WRITABLE

protected static final String ARRAY_LENGTH_NOT_WRITABLE

See Also:

Constant Field Values

CANNOT_REDEFINE_PROPERTY_LENGTH

protected static final String CANNOT_REDEFINE_PROPERTY_LENGTH

See Also:

Constant Field Values

MAKE_SLOW_ARRAY_NEVER_PART_OF_COMPILATION_MESSAGE

protected static final String MAKE_SLOW_ARRAY_NEVER_PART_OF_COMPILATION_MESSAGE

See Also:

Constant Field Values

ARRAY_PROTOTYPE_NO_ELEMENTS_INVALIDATION

public static final String ARRAY_PROTOTYPE_NO_ELEMENTS_INVALIDATION

See Also:

Constant Field Values

LAZY_REGEX_RESULT_ID

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

LAZY_REGEX_ORIGINAL_INPUT_ID

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

DEFAULT_JSARRAY_COMPARATOR

public static final Comparator<Object> DEFAULT_JSARRAY_COMPARATOR

DEFAULT_JSARRAY_INTEGER_COMPARATOR

public static final Comparator<Object> DEFAULT_JSARRAY_INTEGER_COMPARATOR

DEFAULT_JSARRAY_DOUBLE_COMPARATOR

public static final Comparator<Object> DEFAULT_JSARRAY_DOUBLE_COMPARATOR

Constructor Detail

JSAbstractArray

protected JSAbstractArray()

Method Detail

arrayGetArrayType

public static ScriptArray arrayGetArrayType(com.oracle.truffle.api.object.DynamicObject thisObj)

arrayGetLength

public static long arrayGetLength(com.oracle.truffle.api.object.DynamicObject thisObj)

arrayGetUsedLength

public static int arrayGetUsedLength(com.oracle.truffle.api.object.DynamicObject thisObj)

arrayGetIndexOffset

public static long arrayGetIndexOffset(com.oracle.truffle.api.object.DynamicObject thisObj)

arrayGetArrayOffset

public static int arrayGetArrayOffset(com.oracle.truffle.api.object.DynamicObject thisObj)

arraySetArrayType

public static void arraySetArrayType(com.oracle.truffle.api.object.DynamicObject thisObj,
                                     ScriptArray arrayType)

arraySetLength

public static void arraySetLength(com.oracle.truffle.api.object.DynamicObject thisObj,
                                  int length)

arraySetLength

public static void arraySetLength(com.oracle.truffle.api.object.DynamicObject thisObj,
                                  long length)

arraySetUsedLength

public static void arraySetUsedLength(com.oracle.truffle.api.object.DynamicObject thisObj,
                                      int usedLength)

arraySetIndexOffset

public static void arraySetIndexOffset(com.oracle.truffle.api.object.DynamicObject thisObj,
                                       long indexOffset)

arraySetArrayOffset

public static void arraySetArrayOffset(com.oracle.truffle.api.object.DynamicObject thisObj,
                                       int arrayOffset)

arrayGetArray

public static Object arrayGetArray(com.oracle.truffle.api.object.DynamicObject thisObj)

arraySetArray

public static void arraySetArray(com.oracle.truffle.api.object.DynamicObject thisObj,
                                 Object array)

arrayGetHoleCount

public static int arrayGetHoleCount(com.oracle.truffle.api.object.DynamicObject thisObj)

arraySetHoleCount

public static void arraySetHoleCount(com.oracle.truffle.api.object.DynamicObject thisObj,
                                     int holeCount)

arrayGetAllocationSite

public static ArrayAllocationSite arrayGetAllocationSite(com.oracle.truffle.api.object.DynamicObject thisObj)

arrayGetRegexResult

public static Object arrayGetRegexResult(com.oracle.truffle.api.object.DynamicObject thisObj,
                                         com.oracle.truffle.api.object.DynamicObjectLibrary lazyRegexResult)

arrayGetRegexResultOriginalInput

public static String arrayGetRegexResultOriginalInput(com.oracle.truffle.api.object.DynamicObject thisObj,
                                                      com.oracle.truffle.api.object.DynamicObjectLibrary lazyRegexResultOriginalInput)

arrayAccess

protected static final ArrayAccess arrayAccess()

getLength

public long getLength(com.oracle.truffle.api.object.DynamicObject thisObj)

setLength

public boolean setLength(com.oracle.truffle.api.object.DynamicObject thisObj,
                         long length,
                         boolean doThrow)

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 JSNonProxy

Parameters:

object - object to be used

Returns:

"Object" by default

See Also:

JSClass.defaultToString(DynamicObject)

getOwnHelper

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

Description copied from class: JSNonProxy

Like getOwnProperty, but returns null if value is not present instead of undefined.

Overrides:

getOwnHelper in class JSNonProxy

set

public final 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

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

delete

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

Overrides:

delete in class JSNonProxy

getOwnHelper

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

Description copied from class: JSNonProxy

Like getOwnProperty, but returns null if value is not present instead of undefined.

Overrides:

getOwnHelper in class JSNonProxy

toArray

public static Object[] toArray(com.oracle.truffle.api.object.DynamicObject thisObj)

hasOwnProperty

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

Overrides:

hasOwnProperty in class JSNonProxy

hasOwnProperty

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

Overrides:

hasOwnProperty in class JSNonProxy

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

ownPropertyKeysFastArray

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

ownPropertyKeysSlowArray

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

toArrayLengthOrRangeError

protected static long toArrayLengthOrRangeError(Object obj)

toArrayLengthOrRangeError

public static long toArrayLengthOrRangeError(Number len,
                                             Number len32)

defineOwnProperty

public boolean defineOwnProperty(com.oracle.truffle.api.object.DynamicObject thisObj,
                                 Object key,
                                 PropertyDescriptor descriptor,
                                 boolean doThrow)

Description copied from class: JSClass

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

Overrides:

defineOwnProperty in class JSNonProxy

defineOwnPropertyIndex

protected boolean defineOwnPropertyIndex(com.oracle.truffle.api.object.DynamicObject thisObj,
                                         String name,
                                         PropertyDescriptor descriptor,
                                         boolean doThrow)

Implements part "3" of 15.4.5.1 [[DefineOwnProperty]], redefining one of the index property of an Array.

Returns:

whether the operation was successful

makeSlowArray

protected com.oracle.truffle.api.object.DynamicObject makeSlowArray(com.oracle.truffle.api.object.DynamicObject thisObj)

testIntegrityLevel

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

Description copied from class: JSNonProxy

ES2015 7.3.15 TestIntegrityLevel(O, level).

Overrides:

testIntegrityLevel in class JSNonProxy

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 JSNonProxy

preventExtensions

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

Description copied from class: JSClass

9.1.4 [[PreventExtensions]] ().

Overrides:

preventExtensions in class JSNonProxy

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

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).

Overrides:

setPrototypeOf in class JSNonProxy

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

ordinaryGetOwnPropertyArray

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

9.1.5.1 OrdinaryGetOwnProperty (O, P), implemented for Arrays.

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

isSlowArray

protected boolean isSlowArray(com.oracle.truffle.api.object.DynamicObject thisObj)

usesOrdinaryGetOwnProperty

public boolean usesOrdinaryGetOwnProperty()

Overrides:

usesOrdinaryGetOwnProperty in class JSNonProxy