sjm.parse.tokens
Class Num

java.lang.Object
  |
  +--sjm.parse.Parser
        |
        +--sjm.parse.Terminal
              |
              +--sjm.parse.tokens.Num

public class Num

extends Terminal

A Num matches a number from a token assembly.

Version:

1.0

Author:

Steven J. Metsker

Fields inherited from class sjm.parse.Terminal

discard

Fields inherited from class sjm.parse.Parser

assembler, name

Constructor Summary

Num()

Method Summary

protected boolean	qualifies(java.lang.Object o) Returns true if an assembly's next element is a number.
java.util.Vector	randomExpansion(int maxDepth, int depth) Create a set with one random number (between 0 and 100).
java.lang.String	unvisitedString(java.util.Vector visited) Returns a textual description of this parser.

Methods inherited from class sjm.parse.Terminal

accept, discard, match, matchOneAssembly, setDiscard

Methods inherited from class sjm.parse.Parser

accept, add, best, bestMatch, completeMatch, elementClone, getName, matchAndAssemble, randomInput, setAssembler, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Num

public Num()

Method Detail

qualifies

protected boolean qualifies(java.lang.Object o)

Returns true if an assembly's next element is a number.

Overrides:

qualifies in class Terminal

Parameters:

object - an element from an assembly

Returns:

true, if an assembly's next element is a number as recognized the tokenizer

randomExpansion

public java.util.Vector randomExpansion(int maxDepth,
                                        int depth)

Create a set with one random number (between 0 and 100).

Overrides:

randomExpansion in class Terminal

unvisitedString

public java.lang.String unvisitedString(java.util.Vector visited)

Returns a textual description of this parser.

Overrides:

unvisitedString in class Terminal

Parameters:

vector - a list of parsers already printed in this description

Returns:

string a textual description of this parser

See Also:

Parser.toString()