jist.swans.misc
Class Sizeof

java.lang.Object
  jist.swans.misc.Sizeof

public class Sizeof
extends java.lang.Object

Compute the static or dynamic size of a type or object.

Since:

SWANS1.0

Version:

$Id: Sizeof.java,v 1.4 2004/04/06 16:07:49 barr Exp $

Author:

Rimon Barr <barr+jist@cs.cornell.edu>

Field Summary

private static int

SIZE_REFERENCE Size of a pointer.

Constructor Summary

Sizeof()

Method Summary

private static int	array(java.lang.Object obj) Return (dynamic) size of an array.
static int	inst(boolean b) Return (dynamic) size of primitive.
static int	inst(byte b) Return (dynamic) size of primitive.
static int	inst(char c) Return (dynamic) size of primitive.
static int	inst(double d) Return (dynamic) size of primitive.
static int	inst(float f) Return (dynamic) size of primitive.
static int	inst(int i) Return (dynamic) size of primitive.
static int	inst(long l) Return (dynamic) size of primitive.
static int	inst(java.lang.Object obj) Return (dynamic) size of object instance.
static int	inst(short s) Return (dynamic) size of primitive.
private static int	primitive(java.lang.Class type) Return static size of primitive type.
static int	type(java.lang.Class type) Return static size of non-primitive type (a class/structure).

Methods inherited from class java.lang.Object

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

Field Detail

SIZE_REFERENCE

private static final int SIZE_REFERENCE

Size of a pointer.

See Also:

Constant Field Values

Constructor Detail

Sizeof

public Sizeof()

Method Detail

inst

public static int inst(boolean b)

Return (dynamic) size of primitive.

Parameters:

b - boolean

Returns:

sizeof(boolean)

inst

public static int inst(byte b)

Return (dynamic) size of primitive.

Parameters:

b - byte

Returns:

sizeof(byte)

inst

public static int inst(char c)

Return (dynamic) size of primitive.

Parameters:

c - char

Returns:

sizeof(char)

inst

public static int inst(short s)

Return (dynamic) size of primitive.

Parameters:

s - short

Returns:

sizeof(short)

inst

public static int inst(int i)

Return (dynamic) size of primitive.

Parameters:

i - int

Returns:

sizeof(int)

inst

public static int inst(long l)

Return (dynamic) size of primitive.

Parameters:

l - long

Returns:

sizeof(long)

inst

public static int inst(float f)

Return (dynamic) size of primitive.

Parameters:

f - float

Returns:

sizeof(float)

inst

public static int inst(double d)

Return (dynamic) size of primitive.

Parameters:

d - double

Returns:

sizeof(double)

inst

public static int inst(java.lang.Object obj)

Return (dynamic) size of object instance.

Parameters:

obj - object to size

Returns:

size of object

array

private static int array(java.lang.Object obj)

Return (dynamic) size of an array.

Parameters:

obj - array to compute size

Returns:

size of an array

type

public static int type(java.lang.Class type)

Return static size of non-primitive type (a class/structure).

Parameters:

type - class or structure to compute size

Returns:

size of class or structure

primitive

private static int primitive(java.lang.Class type)

Return static size of primitive type.

Parameters:

type - class of primitive type

Returns:

size of primitive type