69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
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* Copyright (c) 2002-2010 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <assert.h>
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#include <veriuser.h>
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#include <vpi_user.h>
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PLI_INT32 tf_typep(PLI_INT32 narg)
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{
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vpiHandle sys_h, argv, arg_h = 0;
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int rtn;
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assert(narg > 0);
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/* get task/func handle */
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sys_h = vpi_handle(vpiSysTfCall, 0);
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argv = vpi_iterate(vpiArgument, sys_h);
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/* find nth arg */
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while (narg > 0) {
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/* Watch that the argument is not out of range. */
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if (!(arg_h = vpi_scan(argv)))
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return TF_NULLPARAM;
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narg -= 1;
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}
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switch (vpi_get(vpiType, arg_h)) {
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case vpiConstant:
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switch (vpi_get(vpiConstType, arg_h)) {
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case vpiStringConst:
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rtn = TF_STRING;
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break;
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default:
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rtn = TF_READONLY;
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break;
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}
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break;
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case vpiIntegerVar:
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case vpiReg:
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case vpiMemoryWord:
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rtn = TF_READWRITE;
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break;
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default:
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rtn = TF_READONLY;
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break;
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}
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vpi_free_object(argv);
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return rtn;
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}
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