se.chalmers.cs.gf.parse.chart
Class EmptyRule

java.lang.Object
  se.chalmers.cs.gf.parse.chart.Rule
      se.chalmers.cs.gf.parse.chart.EmptyRule

public class EmptyRule
extends Rule

An empty CF grammar production.

Constructor Summary

EmptyRule(Category cat, java.lang.String fun, int argCount)

Method Summary

boolean	equals(EmptyRule r)
boolean	equals(java.lang.Object o)
int	getArgCount()
java.lang.String	getFun() Get the function name use to construct an abstract syntax tree from this rule.
int	getSize() Get the number of terminals or non-terminal on the RHS.
int	hashCode()
boolean	isTerminal() Checks if the right hand side of this rule consists of a single terminal.
java.lang.String	toString()

Methods inherited from class se.chalmers.cs.gf.parse.chart.Rule

getCategory

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

EmptyRule

public EmptyRule(Category cat,
                 java.lang.String fun,
                 int argCount)

Parameters:

argCount - The number of arguments needed by the function that this rule represents.

Method Detail

getFun

public java.lang.String getFun()

Description copied from class: Rule

Get the function name use to construct an abstract syntax tree from this rule.

Specified by:

getFun in class Rule

getSize

public int getSize()

Description copied from class: Rule

Get the number of terminals or non-terminal on the RHS.

Specified by:

getSize in class Rule

isTerminal

public boolean isTerminal()

Description copied from class: Rule

Checks if the right hand side of this rule consists of a single terminal.

Specified by:

isTerminal in class Rule

getArgCount

public int getArgCount()

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

equals

public boolean equals(EmptyRule r)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object