/*
 * Main file for the Demeter xref tool.
 *
 * xref produces a graphical cross reference picture for a given
 * class dictionary.
 *
 * $Log: main.C,v $
 * Revision 5.4.1.2  1994/10/13  02:15:34  demeter
 * *** empty log message ***
 *
 * Revision 5.4.1.1  1994/05/12  18:24:10  demeter
 * *** empty log message ***
 *
 * Revision 5.4  1994/05/12  18:24:09  demeter
 * *** empty log message ***
 *
 * Revision 5.3.1.1  1994/01/26  19:06:34  huersch
 *  No changes.
 *
 * Revision 5.3  1994/01/26  19:06:33  huersch
 * *** empty log message ***
 *
 * Revision 5.2.1.1  1994/01/24  18:48:05  huersch
 *  No changes.
 *
 * Revision 5.2  1994/01/24  18:48:03  huersch
 * *** empty log message ***
 *
 * Revision 5.1.1.1  1993/11/15  15:36:34  demeter
 * *** empty log message ***
 *
 * Revision 5.1  1993/11/15  15:36:33  demeter
 * *** empty log message ***
 *
 * Revision 5.0.1.2  1993/10/12  14:04:38  huersch
 * Installed new command evaluation, uniformed and beautified code.
 *
 */

#include "xref.h"
#include <iostream.h>
#include <string.h>

void out_of_store()
{
   cerr << "xref: operator new failed, out of store.\n";
   exit( 1 );
}

#ifndef __GNUC__
extern PF set_new_handler( PF );
#else
extern "C"  PF set_new_handler( PF );
#endif

extern int _demeter_hash(const char* classname);
int greeting = _demeter_hash("Greeting");


char *GEN_DIR = getenv("GEN_DIR");


int main( int argc, char *argv[],char *envp[] )
{
  // command line evaluation
  const int MAXPATH = 256;
  char dem_in[MAXPATH];
  switch ( argc ) {
  case 1: 
    strcpy( dem_in, "cd.cd" ); break;  // default argument
  case 2: 
    strcpy( dem_in, argv[1] ); break;
  default: 
    cerr << "\nUsage: xref [class-dictionary]." << endl;
    exit( 1 );
  }
  
  set_new_handler( &out_of_store );

  Demeter_in *iDemeter_in = new Demeter_in();
  iDemeter_in = ( Demeter_in* ) iDemeter_in -> g_parse( dem_in );
  if ( !iDemeter_in ) {
    cerr << "xref error: parsing " << dem_in << " failed." << endl;
    exit ( 1 );
  }
  
  // Finally, start the real xref.
  cout << "\n";
  iDemeter_in -> print();
  
  return ( 0 );
}