Main.java

import syntaxtree.*;
import visitor.*;
import java.io.*;
import java.util.ArrayList;
import java.util.HashMap;

class Main {
	public static void main (String [] args){
		if(args.length < 1){
			System.err.println("Usage: java Driver <inputFile>");
			System.exit(1);
		}

		for (int i = 0; i < args.length; i++) {
			FileInputStream fis = null;
			try {
				fis = new FileInputStream(args[0]);
				MiniJavaParser parser = new MiniJavaParser(fis);
				System.err.println("Program parsed successfully.");
				Goal root = parser.Goal();

				ClassVisitor first = new ClassVisitor();
				root.accept(first, null);

				SymbolVisitor second = new SymbolVisitor(first.getClassMap());
				root.accept(second, null);

				vCreate vTable = new vCreate(second.getVariablesSorted(), second.getMethodsSorted(), first.getClassMap());
				vTable.CreateVariablesTable();

				CodeGeneration code = new CodeGeneration(first.getClassMap(), second.getSymboltable(), vTable.getvVariables(), vTable.getvMethods());
				root.accept(code, null);

//				System.out.println(code.getSpCode());

				PrintWriter file = new PrintWriter("file" + (i+1) + ".spg", "UTF-8");
				file.println(code.getSpCode());
				file.close();

//				TypeVisitor third = new TypeVisitor(first.getClassMap(), second.getSymboltable());
//				root.accept(third, null);

				System.out.println("Checking ended successfully");
			} catch (ParseException ex) {
				System.out.println(ex.getMessage());
			} catch (FileNotFoundException ex) {
				System.err.println(ex.getMessage());
			} catch (Exception e) {
				System.out.println("Exception Error");
				// Thread.currentThread().getStackTrace();
				System.out.println();
			} finally {
				try {
					if (fis != null) fis.close();
				} catch (IOException ex) {
					System.err.println(ex.getMessage());
				}
			}
		}
	}
}