Class SentenceGenerator

java.lang.Object
  SentenceGenerator

public class SentenceGenerator
extends java.lang.Object

This is my version of a CIT594 assignment to read in a BNF grammar and produce sentences from that grammar.

Field Summary

(package private) java.util.Random

random

Constructor Summary

SentenceGenerator()

Method Summary

static void	main(java.lang.String[] args) Prompts the user for a file containing a BNF grammar, then generates several sentences from that grammar.
(package private) void	readGrammar() Prompts the user to choose an input file, then reads and parses a BNF grammar from that file.

Methods inherited from class java.lang.Object

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

Field Detail

random

java.util.Random random

Constructor Detail

SentenceGenerator

public SentenceGenerator()

Method Detail

main

public static void main(java.lang.String[] args)

Prompts the user for a file containing a BNF grammar, then generates several sentences from that grammar.

Parameters:

args - Unused.

readGrammar

void readGrammar()
           throws java.io.IOException

Prompts the user to choose an input file, then reads and parses a BNF grammar from that file. Each grammar rule must be on a single line, but may have multiple alternatives. The same nonterminal may be defined in multiple rules. Example:

 <np> ::= <det> <n> | <det> <adjs> <n>
 <np> ::= <det> <n> <pp>

Throws:

java.io.IOException - If there is an error reading the file.