238 lines
6.3 KiB
C
238 lines
6.3 KiB
C
/*
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* Copyright (c) 2003-2008 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 <string.h>
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#include "sys_priv.h"
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PLI_UINT64 timerec_to_time64(const struct t_vpi_time*time)
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{
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PLI_UINT64 tmp;
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tmp = time->high;
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tmp <<= 32;
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tmp |= (PLI_UINT64) time->low;
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return tmp;
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}
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/*
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* This routine returns 1 if the argument is a constant value,
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* otherwise it returns 0.
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*/
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unsigned is_constant_obj(vpiHandle obj)
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{
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assert(obj);
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unsigned rtn = 0;
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switch(vpi_get(vpiType, obj)) {
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case vpiConstant:
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case vpiParameter:
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rtn = 1;
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break;
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}
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return rtn;
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}
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/*
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* This routine returns 1 if the argument supports has a numeric value,
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* otherwise it returns 0.
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*/
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unsigned is_numeric_obj(vpiHandle obj)
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{
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assert(obj);
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unsigned rtn = 0;
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switch(vpi_get(vpiType, obj)) {
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case vpiConstant:
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case vpiParameter:
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/* These cannot be a string constant. */
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if (vpi_get(vpiConstType, obj) != vpiStringConst) rtn = 1;
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break;
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/* These can have a valid numeric value. */
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case vpiIntegerVar:
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case vpiMemoryWord:
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case vpiNet:
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case vpiPartSelect:
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case vpiRealVar:
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case vpiReg:
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case vpiTimeVar:
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rtn = 1;;
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break;
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}
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return rtn;
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}
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/*
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* This routine returns 1 if the argument supports a valid string value,
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* otherwise it returns 0.
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*/
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unsigned is_string_obj(vpiHandle obj)
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{
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assert(obj);
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unsigned rtn = 0;
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switch(vpi_get(vpiType, obj)) {
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case vpiConstant:
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case vpiParameter: {
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/* These must be a string or binary constant. */
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PLI_INT32 ctype = vpi_get(vpiConstType, obj);
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if (ctype == vpiStringConst || ctype == vpiBinaryConst) rtn = 1;
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break;
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}
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/* These can have a valid string value. */
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case vpiIntegerVar:
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case vpiMemoryWord:
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case vpiNet:
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case vpiPartSelect:
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case vpiReg:
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case vpiTimeVar:
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rtn = 1;;
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break;
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}
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return rtn;
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}
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/*
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* Find the enclosing module.
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*/
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vpiHandle sys_func_module(vpiHandle obj)
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{
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assert(obj);
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while (vpi_get(vpiType, obj) != vpiModule) {
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obj = vpi_handle(vpiScope, obj);
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assert(obj);
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}
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return obj;
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}
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/*
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* Standard compiletf routines.
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*/
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/* For system functions that do not take an argument. */
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PLI_INT32 sys_no_arg_compiletf(PLI_BYTE8 *name)
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{
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vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
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vpiHandle argv = vpi_iterate(vpiArgument, callh);
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/* Make sure there are no arguments. */
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if (argv != 0) {
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char msg [64];
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snprintf(msg, 64, "ERROR: %s line %d:",
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vpi_get_str(vpiFile, callh),
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(int)vpi_get(vpiLineNo, callh));
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unsigned argc = 0;
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while (vpi_scan(argv)) argc += 1;
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vpi_printf("%s %s does not take an argument.\n", msg, name);
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vpi_printf("%*s Found %u extra argument%s.\n",
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strlen(msg), " ", argc, argc == 1 ? "" : "s");
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vpi_control(vpiFinish, 1);
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}
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return 0;
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}
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/* For system functions that take a single numeric argument. */
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PLI_INT32 sys_one_numeric_arg_compiletf(PLI_BYTE8 *name)
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{
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vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
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vpiHandle argv = vpi_iterate(vpiArgument, callh);
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/* Check that there is an argument and that it is numeric. */
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if (argv == 0) {
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vpi_printf("ERROR: %s line %d: ", vpi_get_str(vpiFile, callh),
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(int)vpi_get(vpiLineNo, callh));
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vpi_printf("%s requires a single numeric argument.\n", name);
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vpi_control(vpiFinish, 1);
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return 0;
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}
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if (! is_numeric_obj(vpi_scan(argv))) {
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vpi_printf("ERROR: %s line %d: ", vpi_get_str(vpiFile, callh),
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(int)vpi_get(vpiLineNo, callh));
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vpi_printf("%s's argument must be numeric.\n", name);
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vpi_control(vpiFinish, 1);
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}
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/* Make sure there are no extra arguments. */
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if (vpi_scan(argv) != 0) {
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char msg [64];
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snprintf(msg, 64, "ERROR: %s line %d:",
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vpi_get_str(vpiFile, callh),
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(int)vpi_get(vpiLineNo, callh));
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unsigned argc = 1;
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while (vpi_scan(argv)) argc += 1;
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vpi_printf("%s %s takes a single numeric argument.\n", msg, name);
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vpi_printf("%*s Found %u extra argument%s.\n",
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strlen(msg), " ", argc, argc == 1 ? "" : "s");
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vpi_control(vpiFinish, 1);
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}
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return 0;
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}
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/* For system functions that take a single optional numeric argument. */
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PLI_INT32 sys_one_opt_numeric_arg_compiletf(PLI_BYTE8 *name)
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{
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vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
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vpiHandle argv = vpi_iterate(vpiArgument, callh);
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/* The argument is optional so just return if none are found. */
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if (argv == 0) return 0;
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if (! is_numeric_obj(vpi_scan(argv))) {
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vpi_printf("ERROR: %s line %d: ", vpi_get_str(vpiFile, callh),
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(int)vpi_get(vpiLineNo, callh));
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vpi_printf("%s's argument must be numeric.\n", name);
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vpi_control(vpiFinish, 1);
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}
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/* Make sure there are no extra arguments. */
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if (vpi_scan(argv) != 0) {
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char msg [64];
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snprintf(msg, 64, "ERROR: %s line %d:",
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vpi_get_str(vpiFile, callh),
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(int)vpi_get(vpiLineNo, callh));
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unsigned argc = 1;
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while (vpi_scan(argv)) argc += 1;
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vpi_printf("%s %s takes a single numeric argument.\n", msg, name);
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vpi_printf("%*s Found %u extra argument%s.\n",
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strlen(msg), " ", argc, argc == 1 ? "" : "s");
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vpi_control(vpiFinish, 1);
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}
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return 0;
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}
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