libveriuser/getp.c

   1 /* vi:sw=6
   2  * Copyright (c) 2002,2003 Michael Ruff (mruff at chiaro.com)
   3  *
   4  *    This source code is free software; you can redistribute it
   5  *    and/or modify it in source code form under the terms of the GNU
   6  *    General Public License as published by the Free Software
   7  *    Foundation; either version 2 of the License, or (at your option)
   8  *    any later version.
   9  *
  10  *    This program is distributed in the hope that it will be useful,
  11  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *    GNU General Public License for more details.
  14  *
  15  *    You should have received a copy of the GNU General Public License
  16  *    along with this program; if not, write to the Free Software
  17  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  18  */
  19 #ifdef HAVE_CVS_IDENT
  20 #ident "$Id: getp.c,v 1.7 2004/10/04 01:10:56 steve Exp $"
  21 #endif
  22
  23 # include  <assert.h>
  24 # include  <ctype.h>
  25 # include  <veriuser.h>
  26 # include  <vpi_user.h>
  27 # include  "priv.h"
  28
  29 /*
  30  * tf_getp and friends, implemented using VPI interface
  31  */
  32 PLI_INT32 tf_igetp(PLI_INT32 n, void *obj)
  33 {
  34       vpiHandle sys_h, sys_i, arg_h = 0;
  35       s_vpi_value value;
  36       int rtn = 0;
  37
  38       assert(n > 0);
  39
  40       /* get task/func handle */
  41       sys_h = (vpiHandle)obj;
  42       sys_i = vpi_iterate(vpiArgument, sys_h);
  43
  44       /* find nth arg */
  45       while (n > 0) {
  46             if (!(arg_h = vpi_scan(sys_i))) { goto out; }
  47             n--;
  48       }
  49
  50       /* If it is a constant string, return a pointer to it else int value */
  51       if (vpi_get(vpiType, arg_h) == vpiConstant &&
  52           vpi_get(vpiConstType, arg_h) == vpiStringConst)
  53       {
  54             value.format = vpiStringVal;
  55             vpi_get_value(arg_h, &value);
  56             rtn = (int) value.value.str;        /* Oh my */
  57       } else {
  58             value.format = vpiIntVal;
  59             vpi_get_value(arg_h, &value);
  60             rtn = value.value.integer;
  61       }
  62
  63       vpi_free_object(sys_i);
  64
  65 out:
  66       if (pli_trace) {
  67             fprintf(pli_trace, "tf_igetp(n=%d, obj=%p) --> %d\n",
  68                   n, obj, rtn);
  69       }
  70
  71       return rtn;
  72 }
  73
  74 PLI_INT32 tf_getp(PLI_INT32 n)
  75 {
  76       int rtn = tf_igetp(n, vpi_handle(vpiSysTfCall, 0));
  77
  78       return rtn;
  79 }
  80
  81
  82 double tf_igetrealp(PLI_INT32 n, void *obj)
  83 {
  84       vpiHandle sys_h, sys_i, arg_h = 0;
  85       s_vpi_value value;
  86       double rtn = 0.0;
  87
  88       assert(n > 0);
  89
  90       /* get task/func handle */
  91       sys_h = (vpiHandle)obj;
  92       sys_i = vpi_iterate(vpiArgument, sys_h);
  93
  94       /* find nth arg */
  95       while (n > 0) {
  96             if (!(arg_h = vpi_scan(sys_i))) { goto out; }
  97             n--;
  98       }
  99
 100       if (vpi_get(vpiType, arg_h) == vpiConstant &&
 101           vpi_get(vpiConstType, arg_h) == vpiStringConst)
 102       {
 103             rtn = 0.0;
 104       } else {
 105             value.format = vpiRealVal;
 106             vpi_get_value(arg_h, &value);
 107             rtn = value.value.real;
 108       }
 109
 110       vpi_free_object(sys_i);
 111
 112 out:
 113       if (pli_trace) {
 114             fprintf(pli_trace, "tf_igetrealp(n=%d, obj=%p) --> %f\n",
 115                   n, obj, rtn);
 116       }
 117
 118       return rtn;
 119 }
 120
 121 double tf_getrealp(PLI_INT32 n)
 122 {
 123       double rtn = tf_igetrealp(n, vpi_handle(vpiSysTfCall, 0));
 124
 125       return rtn;
 126 }
 127
 128
 129 char *tf_istrgetp(PLI_INT32 n, PLI_INT32 fmt, void *obj)
 130 {
 131       vpiHandle sys_h, sys_i, arg_h = 0;
 132       s_vpi_value value;
 133       char *rtn = 0;
 134
 135       assert(n > 0);
 136
 137       /* get task/func handle */
 138       sys_h = (vpiHandle)obj;
 139       sys_i = vpi_iterate(vpiArgument, sys_h);
 140
 141       /* find nth arg */
 142       while (n > 0) {
 143             if (!(arg_h = vpi_scan(sys_i))) { goto out; }
 144             n--;
 145       }
 146
 147       if (vpi_get(vpiType, arg_h) == vpiConstant &&
 148           vpi_get(vpiConstType, arg_h) == vpiStringConst)
 149       {
 150             value.format = vpiStringVal;
 151             vpi_get_value(arg_h, &value);
 152             rtn = value.value.str;
 153       } else {
 154             value.format = -1;
 155             switch (tolower(fmt)) {
 156                   case 'b': value.format = vpiBinStrVal; break;
 157                   case 'o': value.format = vpiOctStrVal; break;
 158                   case 'd': value.format = vpiDecStrVal; break;
 159                   case 'h': value.format = vpiHexStrVal; break;
 160             }
 161             if (value.format > 0) {
 162                   vpi_get_value(arg_h, &value);
 163                   rtn = value.value.str;
 164             }
 165       }
 166
 167       vpi_free_object(sys_i);
 168
 169 out:
 170       if (pli_trace) {
 171             fprintf(pli_trace, "tf_istrgetp(n=%d, fmt=%c, obj=%p) --> \"%s\"\n",
 172                   n, fmt, obj, rtn);
 173       }
 174
 175       return rtn;
 176 }
 177
 178 char *tf_strgetp(PLI_INT32 n, PLI_INT32 fmt)
 179 {
 180       char *rtn = tf_istrgetp(n, fmt, vpi_handle(vpiSysTfCall, 0));
 181
 182       return rtn;
 183 }
 184
 185 /*
 186  * $Log: getp.c,v $
 187  * Revision 1.7  2004/10/04 01:10:56  steve
 188  *  Clean up spurious trailing white space.
 189  *
 190  * Revision 1.6  2003/06/17 16:55:07  steve
 191  *  1) setlinebuf() for vpi_trace
 192  *  2) Addes error checks for trace file opens
 193  *  3) removes now extraneous flushes
 194  *  4) fixes acc_next() bug
 195  *
 196  * Revision 1.5  2003/05/30 04:22:13  steve
 197  *  Add tf_strgetp functions.
 198  *
 199  * Revision 1.4  2003/05/29 03:46:21  steve
 200  *  Add tf_getp/putp support for integers
 201  *  and real valued arguments.
 202  *
 203  *  Add tf_mipname function.
 204  *
 205  * Revision 1.3  2003/03/15 05:42:39  steve
 206  *  free argument iterators.
 207  *
 208  * Revision 1.2  2002/08/12 01:35:02  steve
 209  *  conditional ident string using autoconfig.
 210  *
 211  * Revision 1.1  2002/06/07 02:58:59  steve
 212  *  Add a bunch of acc/tf functions. (mruff)
 213  *
 214  */