marf.nlp.Parsing.GrammarCompiler
Class Grammar

java.lang.Object
  |
  +--marf.nlp.Parsing.GrammarCompiler.Grammar

All Implemented Interfaces:

java.io.Serializable

public class Grammar

extends java.lang.Object

implements java.io.Serializable

Grammar. $Id: Grammar.java,v 1.13 2005/06/04 03:54:38 mokhov Exp $

Since:

0.3.0

Version:

$Revision: 1.13 $

Author:

Serguei Mokhov

See Also:

Serialized Form

Field Summary

marf.nlp.Parsing.GrammarCompiler.Terminal	EOFTerminal A static EOF reference.
marf.nlp.Parsing.GrammarCompiler.Terminal	EpsilonTerminal The epsilon token.
java.lang.String	FirstSetsFile
java.lang.String	FollowSetsFile
java.lang.String	RulesFile
marf.nlp.Parsing.GrammarCompiler.NonTerminal	StartNonTerminal A reference to the starting state.

Constructor Summary

Grammar()
Default constructor.

Method Summary

void	addNonTeminal(marf.nlp.Parsing.GrammarCompiler.NonTerminal pNonTerminal)
void	addRule(marf.nlp.Parsing.GrammarCompiler.Rule pRule)
void	addTeminal(marf.nlp.Parsing.GrammarCompiler.Terminal pTerminal)
void	computeFirstSets() Computes first sets for all non-ternimals from the non-terminals list.
void	computeFollowSets() Computes follow sets for all non-ternimals from the non-terminals list.
int	contains(marf.nlp.Parsing.GrammarCompiler.GrammarElement poGrammarElement) As the contains(String), but for GrammarElements.
int	contains(java.lang.String pstrName) Checks whether a grammar element with a given name (lexeme) exists in the corresponding list or not.
int	containsNonTerminal(java.lang.String pstrName)
int	containsTerminal(java.lang.String pstrName)
java.util.Vector	getNonTerminalList()
static java.lang.String	getRevision() Retrieves class' revision.
marf.nlp.Parsing.GrammarCompiler.Rule	getRule(int A, int B, int C)
marf.nlp.Parsing.GrammarCompiler.Rule	getRule(java.lang.String pstrTerminal, int piNonTerminalIndex)
java.util.Vector	getRules()
java.util.Vector	getTerminalList()
boolean	serialize(int piOperation) Serialization.

Methods inherited from class java.lang.Object

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

Field Detail

EOFTerminal

public marf.nlp.Parsing.GrammarCompiler.Terminal EOFTerminal

A static EOF reference.

EpsilonTerminal

public marf.nlp.Parsing.GrammarCompiler.Terminal EpsilonTerminal

The epsilon token.

StartNonTerminal

public marf.nlp.Parsing.GrammarCompiler.NonTerminal StartNonTerminal

A reference to the starting state.

FirstSetsFile

public java.lang.String FirstSetsFile

FollowSetsFile

public java.lang.String FollowSetsFile

RulesFile

public java.lang.String RulesFile

Constructor Detail

Grammar

public Grammar()

Default constructor.

Method Detail

computeFirstSets

public void computeFirstSets()

Computes first sets for all non-ternimals from the non-terminals list.

computeFollowSets

public void computeFollowSets()

Computes follow sets for all non-ternimals from the non-terminals list.

containsNonTerminal

public int containsNonTerminal(java.lang.String pstrName)

containsTerminal

public int containsTerminal(java.lang.String pstrName)

contains

public int contains(java.lang.String pstrName)

Checks whether a grammar element with a given name (lexeme) exists in the corresponding list or not. If it does, returns it's index; -1 otherwise.

contains

public int contains(marf.nlp.Parsing.GrammarCompiler.GrammarElement poGrammarElement)

As the contains(String), but for GrammarElements.

Parameters:

poGrammarElement - a grammar element to look up.

getRule

public final marf.nlp.Parsing.GrammarCompiler.Rule getRule(java.lang.String pstrTerminal,
                                                           int piNonTerminalIndex)

getRule

public final marf.nlp.Parsing.GrammarCompiler.Rule getRule(int A,
                                                           int B,
                                                           int C)

serialize

public boolean serialize(int piOperation)

Serialization.

addTeminal

public void addTeminal(marf.nlp.Parsing.GrammarCompiler.Terminal pTerminal)

addNonTeminal

public void addNonTeminal(marf.nlp.Parsing.GrammarCompiler.NonTerminal pNonTerminal)

addRule

public void addRule(marf.nlp.Parsing.GrammarCompiler.Rule pRule)

getTerminalList

public final java.util.Vector getTerminalList()

getNonTerminalList

public final java.util.Vector getNonTerminalList()

getRules

public final java.util.Vector getRules()

getRevision

public static java.lang.String getRevision()

Retrieves class' revision.

Returns:

revision string