J2V.java


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import java.io.*;
import visitor.*;
import parse.*;
import syntaxtree.*;
import java.util.*;
import st.*;
import misc.*;
import boil.*;

public class J2V {
    public static void main(String[] args) {
        Node root = null;
        try {
            root = new MiniJavaParser(System.in).Goal();

            // Pretty-print the tree. PPrinter inherits from
            // GJDepthFirst<R,A>. R=Void, A=String.
            // PPrinter<Void,String> pp = new PPrinter<Void,String>();
            // root.accept(pp, "");

            // Build the symbol table. Top-down visitor, inherits from
            // GJDepthFirst<R,A>. R=Void, A=Integer.
            SymbolTable symt = new SymbolTable();
            MinimalLogger.info("Populating classes...");
            root.accept(new SymTableClasses<Void>(), symt);
            MinimalLogger.info("Populating methods...");
            root.accept(new SymTableMethods<Void>(), symt);
            MinimalLogger.info("Populating variables...");
            root.accept(new SymTableVars<Void>(), symt);
            MinimalLogger.info("Populating extensions...");
            root.accept(new SymTableExtend<Void>(), symt);
            MinimalLogger.info(symt.toString());


            BoilVisitor vp = new BoilVisitor(symt);
            root.accept(vp, null);

            MinimalLogger.info("===================================================");
            System.out.println(vp.getVapor());


        }
        catch (ParseException e) {
            System.out.println(e.toString());
            System.exit(1);
        }

    }
}