cetus.hir
Class InfExpression

java.lang.Object
  cetus.hir.Expression
      cetus.hir.InfExpression

All Implemented Interfaces:

Printable, Traversable, java.lang.Cloneable, java.lang.Comparable<Expression>

public class InfExpression
extends Expression

Class InfExpression expresses infinity states of values.

Field Summary

Fields inherited from class cetus.hir.Expression

children, needs_parens, object_print_method, parent

Constructor Summary

InfExpression(int sign)
Constructor

Method Summary

java.lang.Object	clone() Clone method
int	compareTo(Expression e)
static void	defaultPrint(InfExpression inf, java.io.OutputStream stream) Default print method
boolean	equals(java.lang.Object o)
int	sign() Returns the sign of the infinity expression
java.lang.String	toString() Converts the expression to String

Methods inherited from class cetus.hir.Expression

equals2, findExpression, getChildren, getParent, getStatement, needsParens, print, printSelf, removeChild, setChild, setParens, setParent, setPrintMethod, swapWith, verify

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

InfExpression

public InfExpression(int sign)

Constructor

Parameters:

sign - the sign of the infinity expression

Method Detail

clone

public java.lang.Object clone()

Clone method

Overrides:

clone in class Expression

Returns:

a deep copy of this expression.

defaultPrint

public static void defaultPrint(InfExpression inf,
                                java.io.OutputStream stream)

Default print method

toString

public java.lang.String toString()

Converts the expression to String

Overrides:

toString in class Expression

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class Expression

compareTo

public int compareTo(Expression e)

Specified by:

compareTo in interface java.lang.Comparable<Expression>

Overrides:

compareTo in class Expression

sign

public int sign()

Returns the sign of the infinity expression