com.oracle.truffle.object

Class ShapeImpl.BaseAllocator

java.lang.Object

com.oracle.truffle.api.object.Shape.Allocator

com.oracle.truffle.object.ShapeImpl.BaseAllocator

All Implemented Interfaces:

LocationImpl.LocationVisitor, Cloneable

Enclosing class:

ShapeImpl

public abstract static class ShapeImpl.BaseAllocator
extends Shape.Allocator
implements LocationImpl.LocationVisitor, Cloneable

Since:

0.17 or earlier

Field Summary

Fields

Modifier and Type	Field and Description
protected int	depth
protected boolean	hasPrimitiveArray
protected LayoutImpl	layout
protected int	objectArraySize
protected int	objectFieldSize
protected int	primitiveArraySize
protected int	primitiveFieldSize
protected boolean	shared

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BaseAllocator(LayoutImpl layout)
protected	BaseAllocator(ShapeImpl shape)

Method Summary

Modifier and Type	Method and Description
ShapeImpl.BaseAllocator	addLocation(Location location) Reserves space for the given location, so that it will not be available to subsequently allocated locations.
protected <T extends Location> T	advance(T location0)
protected ShapeImpl.BaseAllocator	clone()
Location	constantLocation(Object value) Creates a new location from a constant value.
ShapeImpl.BaseAllocator	copy() Creates an copy of this allocator state.
Location	declaredLocation(Object value) Creates a new declared location with a default value.
Location	existingLocationForValue(Object value, Location oldLocation, ShapeImpl oldShape)
protected Location	locationForType(Class<?> type, boolean useFinal, boolean nonNull)
protected Location	locationForValue(Object value, boolean useFinal, boolean nonNull)
protected abstract Location	locationForValueUpcast(Object value, Location oldLocation)
protected abstract Location	moveLocation(Location oldLocation)
protected abstract Location	newBooleanLocation(boolean useFinal)
protected abstract Location	newDoubleLocation(boolean useFinal)
protected abstract Location	newIntLocation(boolean useFinal)
protected abstract Location	newLongLocation(boolean useFinal)
protected abstract Location	newObjectLocation(boolean useFinal, boolean nonNull)
protected abstract Location	newTypedObjectLocation(boolean useFinal, Class<?> type, boolean nonNull)
void	visitObjectArray(int index, int count)
void	visitObjectField(int index, int count)
void	visitPrimitiveArray(int index, int count)
void	visitPrimitiveField(int index, int count)

Methods inherited from class com.oracle.truffle.api.object.Shape.Allocator

locationForType, locationForType, locationForValue, locationForValue

Methods inherited from class java.lang.Object

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

Field Detail

layout

protected final LayoutImpl layout

Since:

0.17 or earlier

objectArraySize

protected int objectArraySize

Since:

0.17 or earlier

objectFieldSize

protected int objectFieldSize

Since:

0.17 or earlier

primitiveFieldSize

protected int primitiveFieldSize

Since:

0.17 or earlier

primitiveArraySize

protected int primitiveArraySize

Since:

0.17 or earlier

hasPrimitiveArray

protected boolean hasPrimitiveArray

Since:

0.17 or earlier

depth

protected int depth

Since:

0.17 or earlier

shared

protected boolean shared

Since:

0.18

Constructor Detail

BaseAllocator

protected BaseAllocator(LayoutImpl layout)

Since:

0.17 or earlier

BaseAllocator

protected BaseAllocator(ShapeImpl shape)

Since:

0.17 or earlier

Method Detail

moveLocation

protected abstract Location moveLocation(Location oldLocation)

Since:

0.17 or earlier

newObjectLocation

protected abstract Location newObjectLocation(boolean useFinal,
                                              boolean nonNull)

Since:

0.17 or earlier

newTypedObjectLocation

protected abstract Location newTypedObjectLocation(boolean useFinal,
                                                   Class<?> type,
                                                   boolean nonNull)

Since:

0.17 or earlier

newIntLocation

protected abstract Location newIntLocation(boolean useFinal)

Since:

0.17 or earlier

newDoubleLocation

protected abstract Location newDoubleLocation(boolean useFinal)

Since:

0.17 or earlier

newLongLocation

protected abstract Location newLongLocation(boolean useFinal)

Since:

0.17 or earlier

newBooleanLocation

protected abstract Location newBooleanLocation(boolean useFinal)

Since:

0.17 or earlier

constantLocation

public final Location constantLocation(Object value)

Description copied from class: Shape.Allocator

Creates a new location from a constant value. The value is stored in the shape rather than in the object.

Specified by:

constantLocation in class Shape.Allocator

Since:

0.17 or earlier

declaredLocation

public Location declaredLocation(Object value)

Description copied from class: Shape.Allocator

Creates a new declared location with a default value. A declared location only assumes a type after the first set (initialization).

Specified by:

declaredLocation in class Shape.Allocator

Since:

0.17 or earlier

locationForValue

protected Location locationForValue(Object value,
                                    boolean useFinal,
                                    boolean nonNull)

Specified by:

locationForValue in class Shape.Allocator

Since:

0.17 or earlier

locationForValueUpcast

protected abstract Location locationForValueUpcast(Object value,
                                                   Location oldLocation)

Since:

0.17 or earlier

locationForType

protected Location locationForType(Class<?> type,
                                   boolean useFinal,
                                   boolean nonNull)

Specified by:

locationForType in class Shape.Allocator

Since:

0.17 or earlier

advance

protected <T extends Location> T advance(T location0)

Since:

0.17 or earlier

addLocation

public ShapeImpl.BaseAllocator addLocation(Location location)

Description copied from class: Shape.Allocator

Reserves space for the given location, so that it will not be available to subsequently allocated locations.

Specified by:

addLocation in class Shape.Allocator

Since:

0.17 or earlier

visitObjectField

public void visitObjectField(int index,
                             int count)

Specified by:

visitObjectField in interface LocationImpl.LocationVisitor

Since:

0.17 or earlier

visitObjectArray

public void visitObjectArray(int index,
                             int count)

Specified by:

visitObjectArray in interface LocationImpl.LocationVisitor

Since:

0.17 or earlier

visitPrimitiveArray

public void visitPrimitiveArray(int index,
                                int count)

Specified by:

visitPrimitiveArray in interface LocationImpl.LocationVisitor

Since:

0.17 or earlier

visitPrimitiveField

public void visitPrimitiveField(int index,
                                int count)

Specified by:

visitPrimitiveField in interface LocationImpl.LocationVisitor

Since:

0.17 or earlier

copy

public final ShapeImpl.BaseAllocator copy()

Description copied from class: Shape.Allocator

Creates an copy of this allocator state.

Specified by:

copy in class Shape.Allocator

Since:

0.17 or earlier

clone

protected final ShapeImpl.BaseAllocator clone()

Overrides:

clone in class Object

Since:

0.17 or earlier

existingLocationForValue

public Location existingLocationForValue(Object value,
                                         Location oldLocation,
                                         ShapeImpl oldShape)

Since:

0.17 or earlier