com.oracle.truffle.js.nodes.access

Class PropertyCacheNode.ReceiverCheckNode

java.lang.Object

com.oracle.truffle.api.nodes.Node

com.oracle.truffle.js.nodes.JavaScriptBaseNode

com.oracle.truffle.js.nodes.access.PropertyCacheNode.ReceiverCheckNode

All Implemented Interfaces:

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

Direct Known Subclasses:

PropertyCacheNode.AbstractShapeCheckNode, PropertyCacheNode.CombinedShapeCheckNode, PropertyCacheNode.ForeignLanguageCheckNode, PropertyCacheNode.InstanceofCheckNode, PropertyCacheNode.NullCheckNode

Enclosing class:

PropertyCacheNode<T extends PropertyCacheNode.CacheNode<T>>

protected abstract static class PropertyCacheNode.ReceiverCheckNode
extends JavaScriptBaseNode

Checks whether the receiver can be handled by the corresponding specialization.

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 and Description
protected com.oracle.truffle.api.object.Shape	shape

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
abstract boolean	accept(Object thisObj) Check receiver shape, class, or instance.
com.oracle.truffle.api.nodes.NodeCost	getCost()
com.oracle.truffle.api.object.Shape	getShape()
abstract JSDynamicObject	getStore(Object thisObj)
protected boolean	isUnstable()
boolean	isValid() Checks if all required assumptions are valid.

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

copy, getLanguage, getRealm, hasOverloadedOperators, onReplace

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

accept, adoptChildren, atomic, atomic, deepCopy, getChildren, 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, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

shape

protected final com.oracle.truffle.api.object.Shape shape

Constructor Detail

ReceiverCheckNode

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

Method Detail

accept

public abstract boolean accept(Object thisObj)

Check receiver shape, class, or instance.

Returns:

whether the object is supported by the associated property cache node.

getStore

public abstract JSDynamicObject getStore(Object thisObj)

Returns:

the object that contains the property.

getShape

public final com.oracle.truffle.api.object.Shape getShape()

isValid

public boolean isValid()

Checks if all required assumptions are valid.

isUnstable

protected boolean isUnstable()

Returns:

true if a stable property assumption failed.

getCost

public final com.oracle.truffle.api.nodes.NodeCost getCost()

Overrides:

getCost in class com.oracle.truffle.api.nodes.Node