iverilog/libveriuser/getp.c

/* vi:sw=6
 * Copyright (c) 2002 Michael Ruff (mruff at chiaro.com)
 *
 *    This source code is free software; you can redistribute it
 *    and/or modify it in source code form under the terms of the GNU
 *    General Public License as published by the Free Software
 *    Foundation; either version 2 of the License, or (at your option)
 *    any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */
#ifdef HAVE_CVS_IDENT
#ident "$Id: getp.c,v 1.2 2002/08/12 01:35:02 steve Exp $"
#endif

#include  <assert.h>
#include  <veriuser.h>
#include  <vpi_user.h>

/*
 * tf_getp implemented using VPI interface
 */
int tf_getp(int n)
{
      vpiHandle sys_h, sys_i, arg_h = 0;
      s_vpi_value value;
      int rtn;

      assert(n > 0);

      /* get task/func handle */
      sys_h = vpi_handle(vpiSysTfCall, 0);
      sys_i = vpi_iterate(vpiArgument, sys_h);

      /* find nth arg */
      while (n > 0) {
	    if (!(arg_h = vpi_scan(sys_i))) assert(0);
	    n--;
      }

      /* If it is a constant string, return a pointer to it else int value */
      if (vpi_get(vpiType, arg_h) == vpiConstant &&
	  vpi_get(vpiConstType, arg_h) == vpiStringConst)
      {
	    value.format = vpiStringVal;
	    vpi_get_value(arg_h, &value);
	    rtn = (int) value.value.str;	/* Oh my */
      } else {
	    value.format = vpiIntVal;
	    vpi_get_value(arg_h, &value);
	    rtn = value.value.integer;
      }

      return rtn;
}

/*
 * $Log: getp.c,v $
 * Revision 1.2  2002/08/12 01:35:02  steve
 *  conditional ident string using autoconfig.
 *
 * Revision 1.1  2002/06/07 02:58:59  steve
 *  Add a bunch of acc/tf functions. (mruff)
 *
 */