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org.sablecc.sablecc
Class CharSet  

java.lang.Object
  org.sablecc.sablecc.CharSet

All Implemented Interfaces:

java.lang.Cloneable

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public class CharSet

extends java.lang.Object

implements java.lang.Cloneable

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Nested Class Summary
static class	CharSet.Interval
static class	CharSet.IntervalCast

 

Field Summary
private  java.util.Vector	intervals

 

Constructor Summary
	CharSet(char c)
	CharSet(char start, char end)
private	CharSet(java.util.Vector intervals)

 

Method Summary
private  void	add(CharSet.Interval interval)
java.lang.Object	clone()           This method may be called to create a new copy of the Object.
CharSet	diff(CharSet chars)
CharSet.Interval	findOverlap(CharSet.Interval interval1)
private  void	remove(CharSet.Interval interval)
java.lang.String	toString()           Convert this Object to a human-readable String.
CharSet	union(CharSet chars)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

intervals

private final java.util.Vector intervals

Constructor Detail

CharSet

public CharSet(char c)

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CharSet

public CharSet(char start,
               char end)

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CharSet

private CharSet(java.util.Vector intervals)

Method Detail

clone

public java.lang.Object clone()

Description copied from class: java.lang.Object

This method may be called to create a new copy of the Object. The typical behavior is as follows:

• o == o.clone() is false
• o.getClass() == o.clone().getClass() is true
• o.equals(o) is true

However, these are not strict requirements, and may be violated if necessary. Of the three requirements, the last is the most commonly violated, particularly if the subclass does not override Object.equals(Object)>Object.equals(Object) 55 .

If the Object you call clone() on does not implement java.lang.Cloneable (which is a placeholder interface), then a CloneNotSupportedException is thrown. Notice that Object does not implement Cloneable; this method exists as a convenience for subclasses that do.

Object's implementation of clone allocates space for the new Object using the correct class, without calling any constructors, and then fills in all of the new field values with the old field values. Thus, it is a shallow copy. However, subclasses are permitted to make a deep copy.

All array types implement Cloneable, and override this method as follows (it should never fail):

 public Object clone()
 {
   try
     {
       super.clone();
     }
   catch (CloneNotSupportedException e)
     {
       throw new InternalError(e.getMessage());
     }
 }
 

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findOverlap

public CharSet.Interval findOverlap(CharSet.Interval interval1)

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remove

private void remove(CharSet.Interval interval)

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add

private void add(CharSet.Interval interval)

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union

public CharSet union(CharSet chars)

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diff

public CharSet diff(CharSet chars)

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toString

public java.lang.String toString()

Description copied from class: java.lang.Object

Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

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