Class Main

java.lang.Object

Main

public class Main
extends Object

Main class to run the parser for YaLCC. Read a source file, parse it, and print leftmost derivation rule numbers. Additionally, can output LaTeX representation if specified.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	Main.ArgParser	Helper class to parse command line arguments.

Constructor Summary

Constructors

Constructor	Description
Main()

Method Summary

Modifier and Type	Method	Description
static void	main(String[] args)	Main method to run the parser.
private static ParseTree	parseFile(String filename)	Parses the input file and returns the parse tree.
private static void	printRuleNumbers(ParseTree node)	Recursively prints the rule numbers in leftmost derivation order.
private static void	writeLaTeXToFile(ParseTree tree, String latexFile)	Writes the LaTeX representation of the parse tree to a file.

Methods inherited from class java.lang.Object

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

Constructor Details

Main

public Main()

Method Details

main

public static void main(String[] args)

Main method to run the parser.

Parameters:

args - command line arguments; expects source file and optional -wt for LaTeX output

writeLaTeXToFile

private static void writeLaTeXToFile(ParseTree tree,
 String latexFile)

Writes the LaTeX representation of the parse tree to a file.

Parameters:

tree - the parse tree

latexFile - the output LaTeX file

parseFile

private static ParseTree parseFile(String filename)

Parses the input file and returns the parse tree.

Parameters:

filename - the source file to parse

Returns:

the resulting parse tree

printRuleNumbers

private static void printRuleNumbers(ParseTree node)

Recursively prints the rule numbers in leftmost derivation order.

Parameters:

node - the current parse tree node