//
//	parser skeleton, CS 480, Winter 2004
//	written by Tim Budd
//		modified by:
//

public class Parser {
	private Lexer lex;
	private boolean debug;

	public Parser (Lexer l, boolean d) { lex = l; debug = d; }

	public void parse () throws ParseException {
		lex.nextLex();
		program();
		if (lex.tokenCategory() != lex.endOfInput)
			parseError(3); // expecting end of file
		}

	private final void start (String n) {
		if (debug) System.out.println("start " + n + " token: " + lex.tokenText());
		}

	private final void stop (String n) {
		if (debug) System.out.println("recognized " + n + " token: " + lex.tokenText());
		}

	private void parseError(int number) throws ParseException {
		throw new ParseException(number);
		}

	private void program () throws ParseException {
		start("program");

		while (lex.tokenCategory() != Lexer.endOfInput)
			declaration();
		stop("program");
		}

	// your stuff goes here

}