Package org.qbicc.interpreter.memory

Class MemoryFactory

java.lang.Object

org.qbicc.interpreter.memory.MemoryFactory

public final class MemoryFactory
extends Object

Factory methods for producing memory instances.

Method Summary

Modifier and Type	Method	Description
static Memory	compose(Memory... memories)
static Memory	getEmpty()	Get an empty memory.
static Memory	replicate(Memory first, int nCopies)
static BooleanArrayMemory	wrap(boolean[] array)	Wrap the given array as a memory of the same size and type.
static ByteArrayMemory	wrap(byte[] array, ByteOrder byteOrder)	Wrap the given array as a memory of the same size and type.
static CharArrayMemory	wrap(char[] array)	Wrap the given array as a memory of the same size and type.
static DoubleArrayMemory	wrap(double[] array)	Wrap the given array as a memory of the same size and type.
static FloatArrayMemory	wrap(float[] array)	Wrap the given array as a memory of the same size and type.
static IntArrayMemory	wrap(int[] array)	Wrap the given array as a memory of the same size and type.
static LongArrayMemory	wrap(long[] array)	Wrap the given array as a memory of the same size and type.
static ShortArrayMemory	wrap(short[] array)	Wrap the given array as a memory of the same size and type.
static ReferenceArrayMemory	wrap(VmObject[] array, ReferenceType refType)	Wrap the given array as a memory of the same size and type.

Methods inherited from class java.lang.Object

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

Method Details

getEmpty

public static Memory getEmpty()

Get an empty memory. The memory may have any type (or none) and is not guaranteed to be extendable or copyable.

Returns:

an empty memory (not null)

replicate

public static Memory replicate(Memory first,
 int nCopies)

compose

public static Memory compose(Memory... memories)

wrap

public static ByteArrayMemory wrap(byte[] array,
 ByteOrder byteOrder)

Wrap the given array as a memory of the same size and type.

Parameters:

array - the array to wrap (must not be null)

Returns:

the wrapper memory (must not be null)

wrap

public static ShortArrayMemory wrap(short[] array)

Wrap the given array as a memory of the same size and type.

Parameters:

array - the array to wrap (must not be null)

Returns:

the wrapper memory (must not be null)

wrap

public static IntArrayMemory wrap(int[] array)

Wrap the given array as a memory of the same size and type.

Parameters:

array - the array to wrap (must not be null)

Returns:

the wrapper memory (must not be null)

wrap

public static LongArrayMemory wrap(long[] array)

Wrap the given array as a memory of the same size and type.

Parameters:

array - the array to wrap (must not be null)

Returns:

the wrapper memory (must not be null)

wrap

public static CharArrayMemory wrap(char[] array)

Wrap the given array as a memory of the same size and type.

Parameters:

array - the array to wrap (must not be null)

Returns:

the wrapper memory (must not be null)

wrap

public static FloatArrayMemory wrap(float[] array)

Wrap the given array as a memory of the same size and type.

Parameters:

array - the array to wrap (must not be null)

Returns:

the wrapper memory (must not be null)

wrap

public static DoubleArrayMemory wrap(double[] array)

Wrap the given array as a memory of the same size and type.

Parameters:

array - the array to wrap (must not be null)

Returns:

the wrapper memory (must not be null)

wrap

public static BooleanArrayMemory wrap(boolean[] array)

Wrap the given array as a memory of the same size and type.

Parameters:

array - the array to wrap (must not be null)

Returns:

the wrapper memory (must not be null)

wrap

public static ReferenceArrayMemory wrap(VmObject[] array,
 ReferenceType refType)

Wrap the given array as a memory of the same size and type. The size of a reference is acquired from the given type.

Parameters:

array - the array to wrap (must not be null)

refType - the reference type (must not be null)

Returns:

the wrapper memory (must not be null)