#include "ast.hh"
using namespace ast;
#include "pretty_printer.hh"

#include <cstdio>
#include <iostream>

int yyparse();

ast::DProg *dprog = 0;

int
main (int argc, char *argv[])
{
  FILE *f;

  /* FIXME: I really want some "real" option parsing here... */

  /* re-open 'stdin' and 'stdout' if these are given on the command
   * line */
  if (argv[1] != NULL) {
    f = freopen(argv[1], "r", stdin);
    if (f == NULL)
      {
	std::cerr << "Couldn't open input file `"
		  << argv[1] << "'\n";
	exit(1);
      }
  }

  yyparse();
  if (!dprog)
      return 2;			// parse error!

  std::cout << (*dprog);

  return 0;
}