JFlex
Class Action

java.lang.Object
  JFlex.Action

public final class Action
extends java.lang.Object

Encapsulates an action in the specification. It stores the Java code as String together with a priority (line number in the specification).

Version:

JFlex 1.4.1, $Revision: 2.6 $, $Date: 2004/11/06 23:03:30 $

Author:

Gerwin Klein

Field Summary

(package private) java.lang.String	content The Java code this Action represents
(package private) int	priority The priority (i.e. line number in the specification) of this Action.

Constructor Summary

Action(java.lang.String content, int priority)
Creates a new Action object with specified content and line number.

Method Summary

boolean	equals(java.lang.Object o) Test for equality to another object.
Action	getHigherPriority(Action other) Compares the priority value of this Action with the specified action.
int	hashCode() Calculate hash value.
boolean	isEquiv(Action a) Returns true iff the parameter is an Action with the same content as this one.
boolean	isLookAction() Return look ahead flag.
void	setLookAction(boolean b) Sets the look ahead flag for this action
java.lang.String	toString() Returns the String representation of this object.

Methods inherited from class java.lang.Object

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

Field Detail

content

java.lang.String content

The Java code this Action represents

priority

int priority

The priority (i.e. line number in the specification) of this Action.

Constructor Detail

Action

public Action(java.lang.String content,
              int priority)

Creates a new Action object with specified content and line number.

Parameters:

content - java code

priority - line number

Method Detail

getHigherPriority

public Action getHigherPriority(Action other)

Compares the priority value of this Action with the specified action.

Parameters:

other - the other Action to compare this Action with.

Returns:

this Action if it has higher priority - the specified one, if not.

toString

public java.lang.String toString()

Returns the String representation of this object.

Overrides:

toString in class java.lang.Object

Returns:

string representation of the action

isEquiv

public boolean isEquiv(Action a)

Returns true iff the parameter is an Action with the same content as this one.

Parameters:

a - the object to compare this Action with

Returns:

true if the action strings are equal

hashCode

public int hashCode()

Calculate hash value.

Overrides:

hashCode in class java.lang.Object

Returns:

a hash value for this Action

equals

public boolean equals(java.lang.Object o)

Test for equality to another object. This action equals another object if the other object is an equivalent action.

Overrides:

equals in class java.lang.Object

Parameters:

o - the other object.

See Also:

isEquiv(Action)

isLookAction

public boolean isLookAction()

Return look ahead flag.

Returns:

true if this actions belongs to a lookahead rule

setLookAction

public void setLookAction(boolean b)

Sets the look ahead flag for this action

Parameters:

b - set to true if this action belongs to a look ahead rule