marf.nlp.Parsing.GrammarCompiler
Class Terminal

java.lang.Object
  marf.nlp.Parsing.GrammarCompiler.GrammarElement
      marf.nlp.Parsing.GrammarCompiler.Terminal

All Implemented Interfaces:

java.io.Serializable

public class Terminal
extends GrammarElement

Represents terminal symbol grammar element. $Id: Terminal.java,v 1.11 2005/12/17 19:01:09 mokhov Exp $

Since:

0.3.0.2

Version:

$Revision: 1.11 $

Author:

Serguei Mokhov

See Also:

Serialized Form

Field Summary

protected GrammarTokenType	oType Grammar token type.
private static long	serialVersionUID For serialization versioning.

Fields inherited from class marf.nlp.Parsing.GrammarCompiler.GrammarElement

iID, oFirstSet, oToken, strName

Constructor Summary

Terminal(java.lang.String pstrLexeme, int piID)
Constructor with the token lexeme and its ID.

Terminal(Token poToken, int piID)
Constructor with the token and its ID.

Method Summary

static java.lang.String	getMARFSourceCodeRevision() Retrieves class' revision.
GrammarTokenType	getType() Allows getting the enclosed grammar token type.
boolean	isNonTerminal() Allows querying this grammar element for non-terminality.
boolean	isTerminal() Allows querying this grammar element for terminality.
boolean	isToken(Token poToken) Checks is the parameter token is also token by having the same name.

Methods inherited from class marf.nlp.Parsing.GrammarCompiler.GrammarElement

addToFirstSet, addToFirstSet, addToFirstSet, getFirstSet, getID, getName, getToken, isEqualByName, toString

Methods inherited from class java.lang.Object

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

Field Detail

oType

protected GrammarTokenType oType

Grammar token type.

serialVersionUID

private static final long serialVersionUID

For serialization versioning. When adding new members or make other structural changes regenerate this number with the serialver tool that comes with JDK.

Since:

0.3.0.4

See Also:

Constant Field Values

Constructor Detail

Terminal

public Terminal(java.lang.String pstrLexeme,
                int piID)

Constructor with the token lexeme and its ID. This token upon construction is added to the first set of itself.

Parameters:

pstrLexeme - the spelling of the token

piID - corresponding integer ID

Terminal

public Terminal(Token poToken,
                int piID)

Constructor with the token and its ID. This token upon construction is added to the first set of itself.

Parameters:

poToken - token element that

piID - corresponding integer ID

Method Detail

isToken

public boolean isToken(Token poToken)

Checks is the parameter token is also token by having the same name.

Parameters:

poToken - parameter to compare token name against

Returns:

true if the parameter's lexeme is equal to this token's name; false otherwise

getType

public GrammarTokenType getType()

Allows getting the enclosed grammar token type.

Returns:

the type

isTerminal

public boolean isTerminal()

Description copied from class: GrammarElement

Allows querying this grammar element for terminality.

Specified by:

isTerminal in class GrammarElement

Returns:

true

See Also:

GrammarElement.isTerminal()

isNonTerminal

public boolean isNonTerminal()

Description copied from class: GrammarElement

Allows querying this grammar element for non-terminality.

Specified by:

isNonTerminal in class GrammarElement

Returns:

false

See Also:

GrammarElement.isNonTerminal()

getMARFSourceCodeRevision

public static java.lang.String getMARFSourceCodeRevision()

Retrieves class' revision.

Returns:

revision string