Class JSArrayElementIndexNode

java.lang.Object

com.oracle.truffle.api.nodes.Node

com.oracle.truffle.js.nodes.JavaScriptBaseNode

com.oracle.truffle.js.nodes.array.JSArrayElementIndexNode

All Implemented Interfaces:

com.oracle.truffle.api.nodes.NodeInterface, Cloneable

Direct Known Subclasses:

JSArrayFirstElementIndexNode, JSArrayLastElementIndexNode, JSArrayNextElementIndexNode, JSArrayPreviousElementIndexNode

public abstract class JSArrayElementIndexNode
extends JavaScriptBaseNode

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.truffle.api.nodes.Node

com.oracle.truffle.api.nodes.Node.Child, com.oracle.truffle.api.nodes.Node.Children

Field Summary

Fields

Modifier and Type	Field	Description
protected final JSContext	context
protected static final int	MAX_CACHED_ARRAY_TYPES

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	JSArrayElementIndexNode(JSContext context)

Method Summary

Modifier and Type	Method	Description
protected static ScriptArray	getArrayType(JSDynamicObject object)
protected static ScriptArray	getArrayTypeIfArray(JSDynamicObject object, boolean isArray)	Workaround for GR-830: Cached values are initialized before guards are evaluated.
protected static boolean	hasHoles(JSDynamicObject object)
protected final boolean	hasPrototypeElements(JSDynamicObject object)
protected final boolean	isArray(Object obj)
protected static final boolean	isSuitableForEnumBasedProcessing(Object object, long length)
protected final boolean	isSuitableForEnumBasedProcessingUsingOwnKeys(Object object, long length)
protected static boolean	isSupportedArray(JSDynamicObject object)

Methods inherited from class com.oracle.truffle.js.nodes.JavaScriptBaseNode

copy, getJSContext, getLanguage, getLanguageOptions, getRealm, hasOverloadedOperators, onReplace

Methods inherited from class com.oracle.truffle.api.nodes.Node

accept, adoptChildren, atomic, atomic, deepCopy, getChildren, getCost, getDebugProperties, getDescription, getEncapsulatingSourceSection, getLock, getParent, getRootNode, getSourceSection, insert, insert, isAdoptable, isSafelyReplaceableBy, notifyInserted, replace, replace, reportPolymorphicSpecialize, toString

Methods inherited from class java.lang.Object

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

Field Details

MAX_CACHED_ARRAY_TYPES

protected static final int MAX_CACHED_ARRAY_TYPES

See Also:

• Constant Field Values

context

protected final JSContext context

Constructor Details

JSArrayElementIndexNode

protected JSArrayElementIndexNode(JSContext context)

Method Details

hasHoles

protected static boolean hasHoles(JSDynamicObject object)

getArrayType

protected static ScriptArray getArrayType(JSDynamicObject object)

getArrayTypeIfArray

protected static ScriptArray getArrayTypeIfArray(JSDynamicObject object,
 boolean isArray)

Workaround for GR-830: Cached values are initialized before guards are evaluated.

isSuitableForEnumBasedProcessingUsingOwnKeys

protected final boolean isSuitableForEnumBasedProcessingUsingOwnKeys(Object object,
 long length)

isSuitableForEnumBasedProcessing

protected static final boolean isSuitableForEnumBasedProcessing(Object object,
 long length)

hasPrototypeElements

protected final boolean hasPrototypeElements(JSDynamicObject object)

Parameters:

object - dummy parameter to force evaluation of the guard by the DSL

isArray

protected final boolean isArray(Object obj)

isSupportedArray

protected static boolean isSupportedArray(JSDynamicObject object)