Package nlScript.core

Class Terminal

java.lang.Object

nlScript.core.Symbol

nlScript.core.Terminal

All Implemented Interfaces:

RepresentsSymbol

Direct Known Subclasses:

Terminal.CharacterClass, Terminal.Digit, Terminal.EndOfInput, Terminal.Epsilon, Terminal.Letter, Terminal.Literal, Terminal.Whitespace

public abstract class Terminal
extends Symbol

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Terminal.CharacterClass
static class	Terminal.Digit
static class	Terminal.EndOfInput
static class	Terminal.Epsilon
static class	Terminal.Letter
static class	Terminal.Literal
static class	Terminal.Whitespace

Field Summary

Fields

Modifier and Type	Field	Description
static final Terminal	DIGIT
static final Terminal	END_OF_INPUT
static final Terminal	EPSILON
static final Terminal	LETTER
static final Terminal	WHITESPACE

Constructor Summary

Constructors

Constructor	Description
Terminal(String symbol)

Method Summary

Modifier and Type	Method	Description
static Terminal	characterClass(String pattern)
abstract Object	evaluate(Matcher matcher)
abstract Generation	generate()
boolean	isEpsilon()
boolean	isNonTerminal()
boolean	isTerminal()
static Terminal	literal(String s)
static void	main(String[] args)
abstract Matcher	matches(Lexer lexer)
Named<Terminal>	withName()
Named<Terminal>	withName(String name)

Methods inherited from class nlScript.core.Symbol

equals, getRepresentedSymbol, getSymbol, hashCode, toString

Methods inherited from class java.lang.Object

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

Field Details

EPSILON

public static final Terminal EPSILON

DIGIT

public static final Terminal DIGIT

LETTER

public static final Terminal LETTER

WHITESPACE

public static final Terminal WHITESPACE

END_OF_INPUT

public static final Terminal END_OF_INPUT

Constructor Details

Terminal

public Terminal(String symbol)

Method Details

literal

public static Terminal literal(String s)

characterClass

public static Terminal characterClass(String pattern)

isTerminal

public boolean isTerminal()

Specified by:

isTerminal in class Symbol

isNonTerminal

public boolean isNonTerminal()

Specified by:

isNonTerminal in class Symbol

isEpsilon

public boolean isEpsilon()

Specified by:

isEpsilon in class Symbol

matches

public abstract Matcher matches(Lexer lexer)

evaluate

public abstract Object evaluate(Matcher matcher)

generate

public abstract Generation generate()

withName

public Named<Terminal> withName(String name)

withName

public Named<Terminal> withName()

main

public static void main(String[] args)