Class ArrayElementInfoNode

java.lang.Object

com.oracle.truffle.api.nodes.Node

com.oracle.truffle.js.nodes.JavaScriptBaseNode

com.oracle.truffle.js.nodes.interop.ArrayElementInfoNode

All Implemented Interfaces:

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

public abstract class ArrayElementInfoNode
extends JavaScriptBaseNode

This node implements the isArrayElement* messages for arrays.

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
static final int	INSERTABLE
static final int	MODIFIABLE
static final int	READABLE
static final int	REMOVABLE
static final int	WRITABLE

Method Summary

Modifier and Type	Method	Description
abstract com.oracle.truffle.api.utilities.TriState	execute(JSArrayBase receiver, long index, int query)	Returns: TriState.TRUE if this array element is readable/modifiable/insertable/removable.
final boolean	executeBoolean(JSArrayBase receiver, long index, int query)
final void	executeCheck(JSArrayBase receiver, long index, int query)

Methods inherited from class JavaScriptBaseNode

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

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, reportReplace, toString

Methods inherited from class Object

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

Field Details

READABLE

public static final int READABLE

See Also:

• Constant Field Values

MODIFIABLE

public static final int MODIFIABLE

See Also:

• Constant Field Values

INSERTABLE

public static final int INSERTABLE

See Also:

• Constant Field Values

REMOVABLE

public static final int REMOVABLE

See Also:

• Constant Field Values

WRITABLE

public static final int WRITABLE

See Also:

• Constant Field Values

Method Details

execute

public abstract com.oracle.truffle.api.utilities.TriState execute(JSArrayBase receiver,
 long index,
 int query)

Returns:

• TriState.TRUE if this array element is readable/modifiable/insertable/removable.
• TriState.FALSE if the operation cannot be performed for this array element.
• TriState.UNDEFINED if the message is not supported for this array instance.

executeBoolean

public final boolean executeBoolean(JSArrayBase receiver,
 long index,
 int query)

executeCheck

public final void executeCheck(JSArrayBase receiver,
 long index,
 int query)
                        throws com.oracle.truffle.api.interop.UnsupportedMessageException,
com.oracle.truffle.api.interop.InvalidArrayIndexException

Throws:

com.oracle.truffle.api.interop.UnsupportedMessageException

com.oracle.truffle.api.interop.InvalidArrayIndexException