Class BitwiseOp

java.lang.Object

gnu.mapping.PropertySet

gnu.mapping.Procedure

gnu.mapping.ProcedureN

gnu.kawa.functions.ArithOp

gnu.kawa.functions.BitwiseOp

All Implemented Interfaces:

Named

public class BitwiseOp
extends ArithOp

Field Summary

Fields

Modifier and Type	Field	Description
static final BitwiseOp	and
static final BitwiseOp	ashift
static final BitwiseOp	ashiftl
static final BitwiseOp	ashiftr
static final BitwiseOp	ior
static final BitwiseOp	not
static final BitwiseOp	xor

Fields inherited from class ArithOp

AND, ASHIFT_GENERAL, ASHIFT_LEFT, ASHIFT_RIGHT, DIVIDE_GENERIC, DIVIDE_INEXACT, IOR, LSHIFT_RIGHT, MODULO, NOT, QUOTIENT, QUOTIENT_EXACT, XOR

Fields inherited from class ProcedureN

applyToObject, noArgs

Fields inherited from class Procedure

applyMethodType, applyToConsumerDefault, applyToConsumerMethod, applyToObjectDefault, applyToObjectMethod, compilerKey, compilerXKey, inlineIfConstantSymbol, validateApplyKey, validateXApplyKey

Fields inherited from class PropertySet

nameKey

Constructor Summary

Constructors

Constructor	Description
BitwiseOp(String name, int op)

Method Summary

Modifier and Type	Method	Description
Object	adjustResult(IntNum value, int code)
Object	apply1(Object arg1)
Object	apply2(Object arg1, Object arg2)
Object	applyN(Object[] args)
static int	checkNonNegativeShift(Procedure proc, int amount)
Object	defaultResult()
int	numArgs()	Return minArgs()|(maxArgs<<12).
static IntNum	shiftLeft(IntNum value, int count)
static IntNum	shiftRight(IntNum value, int count)

Methods inherited from class ArithOp

isSideEffectFree

Methods inherited from class ProcedureN

applyToObject

Methods inherited from class Procedure

apply0, apply3, apply4, applyL, applyToConsumerDefault, applyToObjectDefault, checkArgCount, checkBadCode, getApplyMethod, getApplyToConsumerMethod, getApplyToObjectMethod, getReturnType, getSetter, getSourceLocation, lookupApplyHandle, maxArgs, maxArgs, minArgs, minArgs, set0, set1, setN, setSetter, setSourceLocation, toString

Methods inherited from class PropertySet

getName, getProperty, getSymbol, removeProperty, setName, setProperty, setProperty, setSymbol

Methods inherited from class Object

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

Field Details

and

public static final BitwiseOp and

ior

public static final BitwiseOp ior

xor

public static final BitwiseOp xor

ashift

public static final BitwiseOp ashift

ashiftl

public static final BitwiseOp ashiftl

ashiftr

public static final BitwiseOp ashiftr

not

public static final BitwiseOp not

Constructor Details

BitwiseOp

public BitwiseOp(String name,
 int op)

Method Details

defaultResult

public Object defaultResult()

Overrides:

defaultResult in class ArithOp

adjustResult

public Object adjustResult(IntNum value,
 int code)

apply1

public Object apply1(Object arg1)

Overrides:

apply1 in class Procedure

apply2

public Object apply2(Object arg1,
 Object arg2)

Overrides:

apply2 in class Procedure

applyN

public Object applyN(Object[] args)

Overrides:

applyN in class Procedure

checkNonNegativeShift

public static int checkNonNegativeShift(Procedure proc,
 int amount)

shiftLeft

public static IntNum shiftLeft(IntNum value,
 int count)

shiftRight

public static IntNum shiftRight(IntNum value,
 int count)

numArgs

public int numArgs()

Description copied from class: Procedure

Return minArgs()|(maxArgs<<12). We use a single virtual function to reduce the number of methods in the system, as well as the number of virtual method table entries. We shift by 12 so the number can normally be represented using a sipush instruction, without requiring a constant pool entry.

Overrides:

numArgs in class Procedure