Package jeco.core.util.bnf

Class Symbol

java.lang.Object

jeco.core.util.bnf.Symbol

public class Symbol
extends Object

Class to represent a symbol in a grammar

Version:

1.0

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	Symbol.SYMBOL_TYPE	Enum to represent the type of the symbol

Field Summary

Fields

Modifier and Type	Field	Description
protected String	symbolString	Symbol string
protected Symbol.SYMBOL_TYPE	type	Symbol type

Constructor Summary

Constructors

Constructor	Description
Symbol()	Constructor
Symbol(String symbolString, Symbol.SYMBOL_TYPE type)	Constructor
Symbol(Symbol.SYMBOL_TYPE type)	Constructor

Method Summary

Modifier and Type	Method	Description
Symbol	clone()
boolean	equals(Symbol right)	Check if a symbol is equal to another
boolean	isTerminal()	Checks if a symbol is terminal
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

type

protected Symbol.SYMBOL_TYPE type

Symbol type

symbolString

protected String symbolString

Symbol string

Constructor Details

Symbol

public Symbol(String symbolString,
 Symbol.SYMBOL_TYPE type)

Constructor

Parameters:

symbolString - Symbol string

type - Symbol type

Symbol

public Symbol(Symbol.SYMBOL_TYPE type)

Constructor

Parameters:

type - Symbol type

Symbol

public Symbol()

Constructor

Method Details

clone

public Symbol clone()

Overrides:

clone in class Object

equals

public boolean equals(Symbol right)

Check if a symbol is equal to another

Parameters:

right - Symbol to compare

Returns:

True if the symbols are equal, false otherwise

isTerminal

public boolean isTerminal()

Checks if a symbol is terminal

Returns:

True if the symbol is terminal, false otherwise

toString

public String toString()

Overrides:

toString in class Object