com.oracle.truffle.object

Class LayoutImpl

java.lang.Object

com.oracle.truffle.api.object.Layout

com.oracle.truffle.object.LayoutImpl

public abstract class LayoutImpl
extends Layout

Since:

0.17 or earlier

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.truffle.api.object.Layout

Layout.Builder, Layout.ImplicitCast

Field Summary

Fields

Modifier and Type	Field and Description
protected Class<? extends DynamicObject>	clazz
protected LayoutStrategy	strategy

Fields inherited from class com.oracle.truffle.api.object.Layout

OPTION_PREFIX

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LayoutImpl(EnumSet<Layout.ImplicitCast> allowedImplicitCasts, Class<? extends DynamicObjectImpl> clazz, LayoutStrategy strategy)

Method Summary

Modifier and Type	Method and Description
abstract Shape.Allocator	createAllocator() Create an allocator for static property creation.
Shape	createShape(ObjectType objectType) Create a root shape.
Shape	createShape(ObjectType objectType, Object sharedData) Create a root shape.
protected abstract Location	getObjectArrayLocation()
protected abstract int	getObjectFieldCount()
protected abstract Location	getPrimitiveArrayLocation()
protected abstract int	getPrimitiveFieldCount()
LayoutStrategy	getStrategy()
Class<? extends DynamicObject>	getType()
protected abstract boolean	hasObjectExtensionArray()
protected abstract boolean	hasPrimitiveExtensionArray()
boolean	isAllowedIntToDouble()
boolean	isAllowedIntToLong()
abstract DynamicObject	newInstance(Shape shape)
protected int	objectFieldIndex(Location location)

Methods inherited from class com.oracle.truffle.api.object.Layout

createLayout, createShape, getAllowedImplicitCasts, getFactory, getPolymorphicUnboxing, newLayout

Methods inherited from class java.lang.Object

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

Field Detail

strategy

protected final LayoutStrategy strategy

Since:

0.17 or earlier

clazz

protected final Class<? extends DynamicObject> clazz

Since:

0.17 or earlier

Constructor Detail

LayoutImpl

protected LayoutImpl(EnumSet<Layout.ImplicitCast> allowedImplicitCasts,
                     Class<? extends DynamicObjectImpl> clazz,
                     LayoutStrategy strategy)

Since:

0.17 or earlier

Method Detail

newInstance

public abstract DynamicObject newInstance(Shape shape)

Specified by:

newInstance in class Layout

Since:

0.17 or earlier

getType

public Class<? extends DynamicObject> getType()

Specified by:

getType in class Layout

Since:

0.17 or earlier

createShape

public final Shape createShape(ObjectType objectType,
                               Object sharedData)

Description copied from class: Layout

Create a root shape.

Specified by:

createShape in class Layout

Parameters:

objectType - that describes the object instance with this shape.

sharedData - for language-specific use

Since:

0.17 or earlier

createShape

public final Shape createShape(ObjectType objectType)

Description copied from class: Layout

Create a root shape.

Specified by:

createShape in class Layout

Parameters:

objectType - that describes the object instance with this shape.

Since:

0.17 or earlier

isAllowedIntToDouble

public boolean isAllowedIntToDouble()

Since:

0.17 or earlier

isAllowedIntToLong

public boolean isAllowedIntToLong()

Since:

0.17 or earlier

hasObjectExtensionArray

protected abstract boolean hasObjectExtensionArray()

Since:

0.17 or earlier

hasPrimitiveExtensionArray

protected abstract boolean hasPrimitiveExtensionArray()

Since:

0.17 or earlier

getObjectFieldCount

protected abstract int getObjectFieldCount()

Since:

0.17 or earlier

getPrimitiveFieldCount

protected abstract int getPrimitiveFieldCount()

Since:

0.17 or earlier

getObjectArrayLocation

protected abstract Location getObjectArrayLocation()

Since:

0.17 or earlier

getPrimitiveArrayLocation

protected abstract Location getPrimitiveArrayLocation()

Since:

0.17 or earlier

objectFieldIndex

protected int objectFieldIndex(Location location)

Since:

0.17 or earlier

createAllocator

public abstract Shape.Allocator createAllocator()

Description copied from class: Layout

Create an allocator for static property creation. Reserves all array extension slots.

Specified by:

createAllocator in class Layout

Since:

0.17 or earlier

getStrategy

public LayoutStrategy getStrategy()

Since:

0.17 or earlier