EricByNeed.java

import Interpreter.*;
import viz.*;
import java.io.*;

public class EricByNeed
{
	public static void main(String[] args)
	{
		System.out.println("Starting");
		Global.InterpreterType = InterpreterTypes.BY_NAME;
		BufferedReader br = null;
		try
		{
			br = new BufferedReader(new FileReader("C:\\Users\\Eric\\newws\\viz\\src\\Samples\\shell.src"));
		}
		catch (Exception e)
		{
			System.out.println(e);
		}
		VizParser parser = new VizParser(br);
		try
		{
			ASTProgram program = (ASTProgram)parser.program();

			RandomizingVisitor2<ByNameVariable> rv = new RandomizingVisitor2<ByNameVariable>(ByNameVariable.class, true);
				
			program.jjtAccept(rv, null);
		
			System.out.println("Successfully Parsed");
			System.out.println("________________\n");
			
			program.buildCode();
			String[] initial = {"1. The Arguments are copied into the function.", "2. The program is run (click next to continue)."};
			XAALConnector xc = new XAALConnector(initial, "Call by Need", true);
			String p0 = xc.addCodePage(program.getPseudocode(), true);
			Global.currentPage = p0;
							
			xc.startSnap(1);
				xc.startPar();
				xc.showCodePage(p0);
				xc.endPar();
			xc.endSnap();
			xc.startSnap(2);
			xc.startPar();
				xc.showCodePage(p0);
			xc.endPar();			
			xc.startPar();
			QuestionFactory questionFactory = new QuestionFactory();
			
			
			ByNameVisitor0 bm = new ByNameVisitor0();
			bm.setXAALConnector(xc);

			program.jjtAccept(bm, null);
			Global.lineNumber = 1;
			program.codeBuilt = false;
			program.buildCode();
			String p2 = xc.addCodePage(program.getPseudocode());
			xc.swapCodePage(p0, p2);
			Global.executing = true;
			xc.endPar();
			xc.endSnap();
			
			
			Global.lineNumber = 1;
			program.codeBuilt = false;
			program.buildCode();
			xc.startSnap(1,program.getPseudocode());
			xc.startPar();
			xc.hideCodePage(p2);
			xc.endPar();

			
			
			
			ByNeedInterpretVisitor iv = new ByNeedInterpretVisitor();
			iv.setXAALConnector(xc);
			iv.setQuestionFactory(questionFactory);
			program.jjtAccept(iv, null);
			xc.draw(args[0]);
			System.out.println("Visualization file created");

		}
		catch (Exception e)
		{
			System.out.println(e);
		}
	}
}