org.extendj.neobeaver

Class Item

java.lang.Object

org.extendj.neobeaver.Item

Direct Known Subclasses:

ItemLr1

public class Item
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
int	dot
Rule	rule

Constructor Summary

Constructors

Constructor and Description
Item(Rule rule, int dot)

Method Summary

Modifier and Type	Method and Description
Item	advance()
Item	baseItem()
boolean	canAdvance()
boolean	equals(java.lang.Object obj)
java.util.Collection<Item>	extension(Grammar grammar)
java.util.Collection<Symbol>	followSyms()
int	hashCode()
java.util.Collection<Tuple3<ItemSet,Symbol,Action>>	reduceActions(Grammar grammar, ItemSet set)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

rule

public final Rule rule

dot

public final int dot

Constructor Detail

Item

public Item(Rule rule,
            int dot)

Method Detail

extension

public java.util.Collection<Item> extension(Grammar grammar)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

canAdvance

public boolean canAdvance()

advance

public Item advance()

baseItem

public Item baseItem()

reduceActions

public java.util.Collection<Tuple3<ItemSet,Symbol,Action>> reduceActions(Grammar grammar,
                                                                         ItemSet set)

followSyms

public java.util.Collection<Symbol> followSyms()