com.oracle.truffle.js.nodes.access

Class PropertyCacheNode<T extends PropertyCacheNode.CacheNode<T>>

java.lang.Object

com.oracle.truffle.api.nodes.Node

com.oracle.truffle.js.nodes.JavaScriptBaseNode

com.oracle.truffle.js.nodes.access.PropertyCacheNode<T>

All Implemented Interfaces:

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

Direct Known Subclasses:

HasPropertyCacheNode, PropertyGetNode, PropertySetNode

public abstract class PropertyCacheNode<T extends PropertyCacheNode.CacheNode<T>>
extends JavaScriptBaseNode

Common base class for property cache nodes. Unifies the cache handling and receiver checks.

See Also:

PropertyGetNode, PropertySetNode, HasPropertyCacheNode

Property Summary

Type	Property and Description
protected abstract boolean	isOwn Gets the value of the property ownProperty.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	PropertyCacheNode.AbstractAssumptionShapeCheckNode
protected static class	PropertyCacheNode.AbstractShapeCheckNode Checks the Shape of a DynamicObject.
protected static class	PropertyCacheNode.AssumptionShapeCheckNode Check that the given shape is valid and unchanged.
static class	PropertyCacheNode.CacheNode<T extends PropertyCacheNode.CacheNode<T>>
protected static class	PropertyCacheNode.ConstantObjectAssumptionShapeCheckNode Checks that the object is constant and the shape by assumption (valid and unchanged).
protected static class	PropertyCacheNode.ConstantObjectPrototypeChainShapeCheckNode Checks that the object is constant and all the shapes of the prototype chain up to the given depth by assumption (valid and unchanged).
protected static class	PropertyCacheNode.ConstantObjectPrototypeShapeCheckNode Checks that the object is constant and the shape of the object and its immediate prototype by assumption (valid and unchanged).
protected static interface	PropertyCacheNode.ConstantObjectReceiverCheck
protected static class	PropertyCacheNode.ConstantObjectShapeCheckNode Checks that the object is constant and the shape by comparison.
protected static class	PropertyCacheNode.ForeignLanguageCheckNode
protected static class	PropertyCacheNode.InstanceofCheckNode
protected static class	PropertyCacheNode.JSClassCheckNode
protected static class	PropertyCacheNode.NullCheckNode
protected static class	PropertyCacheNode.PrimitiveReceiverCheckNode
protected static class	PropertyCacheNode.PrototypeChainCheckNode Checks the shapes of the prototype chain up to the given depth by assumption ( PropertyCacheNode.AssumptionShapeCheckNode).
protected static class	PropertyCacheNode.PrototypeChainShapeCheckNode Checks the top shape by identity and the shapes of the prototype chain up to the given depth by assumption (PropertyCacheNode.AssumptionShapeCheckNode).
protected static class	PropertyCacheNode.PrototypeShapeCheckNode Check the shape of the object by identity and the shape of its immediate prototype by assumption (valid and unchanged).
protected static class	PropertyCacheNode.ReceiverCheckNode Checks whether the receiver can be handled by the corresponding specialization.
protected static class	PropertyCacheNode.ShapeCheckNode Check the object shape by identity comparison.
protected static class	PropertyCacheNode.TraversePrototypeChainCheckNode Check the shapes of the prototype chain up to the given depth.
protected static class	PropertyCacheNode.TraversePrototypeChainShapeCheckNode Check the shapes of the prototype chain up to the given depth.
protected static class	PropertyCacheNode.TraversePrototypeShapeCheckNode Check the shapes of the object and its immediate prototype.

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 T	cacheNode
protected JSContext	context
protected Object	key

Constructor Summary

Constructors

Constructor and Description
PropertyCacheNode(Object key, JSContext context)

Method Summary

Modifier and Type	Method and Description
protected static boolean	alwaysUseStore(com.oracle.truffle.api.object.DynamicObject store, Object key)
protected void	checkForUnstableAssumption(T head, Object thisObj)
protected static com.oracle.truffle.api.object.DynamicObjectLibrary	createCachedAccess(Object key, PropertyCacheNode.ReceiverCheckNode receiverCheck, com.oracle.truffle.api.object.DynamicObject store)
protected abstract T	createCachedPropertyNode(com.oracle.truffle.api.object.Property entry, Object thisObj, int depth, Object value, T currentHead)
protected abstract T	createGenericPropertyNode()
protected abstract T	createJavaPropertyNodeMaybe(Object thisObj, int depth)
protected PropertyCacheNode.ReceiverCheckNode	createPrimitiveReceiverCheck(Object thisObj, int depth)
protected PropertyCacheNode.AbstractShapeCheckNode	createShapeCheckNode(com.oracle.truffle.api.object.Shape shape, JSDynamicObject thisObj, int depth, boolean isConstantObjectFinal, boolean isDefine)
protected T	createSpecialization(Object thisObj, T currentHead, int cachedCount, Object value)
protected abstract T	createTruffleObjectPropertyNode()
protected abstract T	createUndefinedPropertyNode(Object thisObj, Object store, int depth, Object value)
protected void	deoptimize()
protected static <T extends PropertyCacheNode.CacheNode<T>> T	filterValid(T cache)
protected String	getAccessorKey(String getset)
protected static String	getAccessorKey(String getset, Object key)
JSContext	getContext()
com.oracle.truffle.api.nodes.NodeCost	getCost()
Object	getKey()
protected T	insertCached(T specialized, T currentHead, int cachedCount)
protected void	invalidateCache()
protected static boolean	isArrayLengthProperty(com.oracle.truffle.api.object.Property property)
protected static boolean	isClassPrototypeProperty(com.oracle.truffle.api.object.Property property)
protected static boolean	isFunctionLengthProperty(com.oracle.truffle.api.object.Property property)
protected static boolean	isFunctionNameProperty(com.oracle.truffle.api.object.Property property)
protected abstract boolean	isGlobal()
protected static boolean	isLazyNamedCaptureGroupProperty(com.oracle.truffle.api.object.Property property)
protected static boolean	isLazyRegexResultIndexProperty(com.oracle.truffle.api.object.Property property)
protected static boolean	isNonIntegerIndex(Object key)
protected abstract boolean	isOwnProperty() Gets the value of the property ownProperty.
protected abstract boolean	isPropertyAssumptionCheckEnabled()
protected static boolean	isStringLengthProperty(com.oracle.truffle.api.object.Property property)
protected boolean	propertyAssumptionsValid(com.oracle.truffle.api.object.DynamicObject thisObj, int depth, boolean checkDepth0)
protected static boolean	prototypesInShape(com.oracle.truffle.api.object.DynamicObject thisObj, int depth)
protected T	retryCache()
protected T	rewriteCached(T currentHead, T newHead)
protected T	rewriteToGeneric(T currentHead, int cachedCount, String reason)
protected abstract void	setPropertyAssumptionCheckEnabled(boolean value)
protected T	specialize(Object thisObj)
protected T	specialize(Object thisObj, Object value)
protected void	traceRewriteEvictFinal(com.oracle.truffle.api.nodes.Node evicted)
protected static <T extends PropertyCacheNode.CacheNode<T>> boolean	tryMergeShapes(com.oracle.truffle.api.object.Shape cacheShape, T head) Does the given map relate to any of the cached maps by upcasting? If so, obsolete the downcast map.
protected static com.oracle.truffle.api.object.DynamicObject	wrapPrimitive(Object thisObject, JSContext context)

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

copy, 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, lookupContextReference, lookupLanguageReference, notifyInserted, replace, replace, reportPolymorphicSpecialize, toString

Methods inherited from class java.lang.Object

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

Property Detail

isOwn

protected abstract boolean isOwnProperty

Field Detail

key

protected final Object key

context

protected final JSContext context

cacheNode

protected T extends PropertyCacheNode.CacheNode<T> cacheNode

Constructor Detail

PropertyCacheNode

public PropertyCacheNode(Object key,
                         JSContext context)

Method Detail

getKey

public final Object getKey()

createGenericPropertyNode

protected abstract T createGenericPropertyNode()

createCachedPropertyNode

protected abstract T createCachedPropertyNode(com.oracle.truffle.api.object.Property entry,
                                              Object thisObj,
                                              int depth,
                                              Object value,
                                              T currentHead)

createUndefinedPropertyNode

protected abstract T createUndefinedPropertyNode(Object thisObj,
                                                 Object store,
                                                 int depth,
                                                 Object value)

createJavaPropertyNodeMaybe

protected abstract T createJavaPropertyNodeMaybe(Object thisObj,
                                                 int depth)

createTruffleObjectPropertyNode

protected abstract T createTruffleObjectPropertyNode()

specialize

protected T specialize(Object thisObj)

specialize

protected T specialize(Object thisObj,
                       Object value)

createSpecialization

protected T createSpecialization(Object thisObj,
                                 T currentHead,
                                 int cachedCount,
                                 Object value)

alwaysUseStore

protected static boolean alwaysUseStore(com.oracle.truffle.api.object.DynamicObject store,
                                        Object key)

deoptimize

protected final void deoptimize()

retryCache

protected T retryCache()

invalidateCache

protected void invalidateCache()

insertCached

protected T insertCached(T specialized,
                         T currentHead,
                         int cachedCount)

rewriteToGeneric

protected T rewriteToGeneric(T currentHead,
                             int cachedCount,
                             String reason)

rewriteCached

protected T rewriteCached(T currentHead,
                          T newHead)

tryMergeShapes

protected static <T extends PropertyCacheNode.CacheNode<T>> boolean tryMergeShapes(com.oracle.truffle.api.object.Shape cacheShape,
                                                                                   T head)

Does the given map relate to any of the cached maps by upcasting? If so, obsolete the downcast map.

Parameters:

cacheShape - The new map to check against

Returns:

true if a map was obsoleted

checkForUnstableAssumption

protected void checkForUnstableAssumption(T head,
                                          Object thisObj)

filterValid

protected static <T extends PropertyCacheNode.CacheNode<T>> T filterValid(T cache)

wrapPrimitive

protected static final com.oracle.truffle.api.object.DynamicObject wrapPrimitive(Object thisObject,
                                                                                 JSContext context)

createShapeCheckNode

protected final PropertyCacheNode.AbstractShapeCheckNode createShapeCheckNode(com.oracle.truffle.api.object.Shape shape,
                                                                              JSDynamicObject thisObj,
                                                                              int depth,
                                                                              boolean isConstantObjectFinal,
                                                                              boolean isDefine)

prototypesInShape

protected static boolean prototypesInShape(com.oracle.truffle.api.object.DynamicObject thisObj,
                                           int depth)

propertyAssumptionsValid

protected final boolean propertyAssumptionsValid(com.oracle.truffle.api.object.DynamicObject thisObj,
                                                 int depth,
                                                 boolean checkDepth0)

createPrimitiveReceiverCheck

protected final PropertyCacheNode.ReceiverCheckNode createPrimitiveReceiverCheck(Object thisObj,
                                                                                 int depth)

isGlobal

protected abstract boolean isGlobal()

isOwnProperty

protected abstract boolean isOwnProperty()

getContext

public final JSContext getContext()

isPropertyAssumptionCheckEnabled

protected abstract boolean isPropertyAssumptionCheckEnabled()

setPropertyAssumptionCheckEnabled

protected abstract void setPropertyAssumptionCheckEnabled(boolean value)

getCost

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

Overrides:

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

isArrayLengthProperty

protected static boolean isArrayLengthProperty(com.oracle.truffle.api.object.Property property)

isFunctionLengthProperty

protected static boolean isFunctionLengthProperty(com.oracle.truffle.api.object.Property property)

isFunctionNameProperty

protected static boolean isFunctionNameProperty(com.oracle.truffle.api.object.Property property)

isClassPrototypeProperty

protected static boolean isClassPrototypeProperty(com.oracle.truffle.api.object.Property property)

isStringLengthProperty

protected static boolean isStringLengthProperty(com.oracle.truffle.api.object.Property property)

isLazyRegexResultIndexProperty

protected static boolean isLazyRegexResultIndexProperty(com.oracle.truffle.api.object.Property property)

isLazyNamedCaptureGroupProperty

protected static boolean isLazyNamedCaptureGroupProperty(com.oracle.truffle.api.object.Property property)

isNonIntegerIndex

protected static boolean isNonIntegerIndex(Object key)

traceRewriteEvictFinal

protected void traceRewriteEvictFinal(com.oracle.truffle.api.nodes.Node evicted)

getAccessorKey

protected String getAccessorKey(String getset)

getAccessorKey

protected static String getAccessorKey(String getset,
                                       Object key)

createCachedAccess

protected static com.oracle.truffle.api.object.DynamicObjectLibrary createCachedAccess(Object key,
                                                                                       PropertyCacheNode.ReceiverCheckNode receiverCheck,
                                                                                       com.oracle.truffle.api.object.DynamicObject store)