hlt.language.syntax

Class Symbol

java.lang.Object

hlt.language.util.Indexed

hlt.language.util.AbstractListIndexed

hlt.language.syntax.Symbol

All Implemented Interfaces:

Comparable, Named

Direct Known Subclasses:

GrammarSymbol, OperatorSymbol

public class Symbol
extends AbstractListIndexed
implements Named, Comparable

This class is a representation of symbols used at parser construction time.

Version:

Last modified on Fri Apr 13 20:13:11 2012 by hak

Author:

Hassan Aït-Kaci

See Also:

GrammarSymbol, OperatorSymbol

Copyright:

© by the author

Method Summary

Methods

Modifier and Type	Method and Description
boolean	lessThan(Comparable other) Symbols other than operators are ordered by their names, ignoring all leading non-letter characters.
java.lang.String	name()
java.lang.String	toString()

Methods inherited from class hlt.language.util.AbstractListIndexed

add, equals

Methods inherited from class hlt.language.util.Indexed

hashCode, index

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

name

public java.lang.String name()

Specified by:

name in interface Named

lessThan

public boolean lessThan(Comparable other)

Symbols other than operators are ordered by their names, ignoring all leading non-letter characters. Operators are ordered by their precedences in their category - i.e., this method is overridden in the subclass Operator.

Specified by:

lessThan in interface Comparable

toString

public java.lang.String toString()

Overrides:

toString in class Indexed