Main.java

import java.io.FileReader;
import java.io.Reader;
import java_cup.runtime.Symbol;

@SuppressWarnings("unused")
public class Main {
    @SuppressWarnings("deprecation")
    public static void main(String[] args) {
        if (args.length == 0) {
            System.err.println("Usage: java Main <source-file1> <source-file2> ...]");
            System.exit(0);
        }
        for (String filename : args) {
            System.out.println("--------------");
            System.out.println("Processing file: " + filename);
            System.out.println("--------------");
            try (Reader reader = new FileReader(filename)) {
                SASLexer lexer = new SASLexer(reader);
                SASParser parser = new SASParser(lexer);
                parser.parse();
                System.out.println("Parsed "+filename+" successfully!");
            } catch (Exception e) {
                System.err.println("I/O error in " + filename + ": " + e.getMessage());
                e.printStackTrace();
            }
        }
    }
}