91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/*
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* Copyright (c) 2003-2009 Michael Ruff (mruff at chiaro.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <acc_user.h>
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#include <vpi_user.h>
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#include "priv.h"
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/*
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* acc_next and friends implemented using VPI
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*/
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handle acc_next(PLI_INT32 *type, handle scope, handle prev)
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{
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vpiHandle iter, hand = 0;
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/* trace */
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if (pli_trace) {
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PLI_INT32 *ip;
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fprintf(pli_trace, "acc_next(%p <", type);
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for (ip = type; *ip; ip++) {
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fprintf(pli_trace, "%s%d", ip != type ? "," : "", (int)*ip);
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}
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fprintf(pli_trace, ">, %p", scope);
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if (scope)
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fprintf(pli_trace, " \"%s\"", vpi_get_str(vpiName, scope));
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fprintf(pli_trace, ", %p", prev);
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if (prev)
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fprintf(pli_trace, " \"%s\"", vpi_get_str(vpiName, prev));
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else
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fprintf(pli_trace, ")");
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fflush(pli_trace);
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}
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/*
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* The acc_next_* functions need to be reentrant, so we need to
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* rescan all the items up to the previous one, then return
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* the next one.
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*/
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iter = vpi_iterate(vpiScope, scope); /* ICARUS extension */
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if (prev) {
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while ((hand = vpi_scan(iter))) {
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if (hand == prev) break;
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}
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}
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/* scan for next */
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if (!prev || hand) {
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while ((hand = vpi_scan(iter))) {
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if (acc_object_in_typelist(hand, type))
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break;
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}
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}
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/* don't leak iterators */
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if (hand) vpi_free_object(iter);
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/* trace */
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if (pli_trace) {
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fprintf(pli_trace, " --> %p", hand);
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if (hand)
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fprintf(pli_trace, " \"%s\"\n", vpi_get_str(vpiName, hand));
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else
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fprintf(pli_trace, "\n");
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}
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return hand;
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}
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handle acc_next_scope(handle scope, handle prev)
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{
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PLI_INT32 type[2] = {accScope, 0};
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return acc_next(type, scope, prev);
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}
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