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import java.io.*;
import visitor.*;
import parse.*;
import syntaxtree.*;
import java.util.*;
import st.*;
import misc.*;
import typecheck.library.*;
public class Typecheck {
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, "");
PrintFilter.print("===================================================", true);
// Build the symbol table. Top-down visitor, inherits from
// GJDepthFirst<R,A>. R=Void, A=Integer.
SymbolTable symt = new SymbolTable();
root.accept(new SymTableBottomUp<Void>(), symt);
root.accept(new SymTableTopDown<Void>(), symt);
PrintFilter.print("===================================================", true);
// TypeCheckSimp ts = new TypeCheckSimp();
// TypeInstance res = root.accept(ts, symt);
// // Ugly code not to be inspired from: "my" way of storing
// // type info / typecheck property: if some of my internal
// // structure is empty, then things don't typecheck for
// // me. This is specific to my own implementation.
// // if (res != null && res.type_array.size() > 0)
// if (res.get_type() != TypeEnum.ERROR)
// System.out.println("Program type checked successfully");
// else
// System.out.println("Type error");
}
catch (ParseException e) {
System.out.println(e.toString());
System.exit(1);
}
}
}
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