Add port checks for primitives.
This patch adds functionality to verify that primitives are given an appropriate number of ports. For multiple output gates (but, not, pulldown, pullup) it also reports that Icarus currently does not support multiple outputs when more than one is given.
This commit is contained in:
Cary R
Stephen Williams
parent
7c852aa075
commit
d43cda3def
201
elaborate.cc
201
elaborate.cc
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@ -442,84 +442,205 @@ void PGBuiltin::elaborate(Design*des, NetScope*scope) const
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switch (type()) {
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case AND:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::AND, instance_width);
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if (pin_count() < 2) {
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cerr << get_line() << ": error: the AND "
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"primitive must have an input." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::AND, instance_width);
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break;
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case BUF:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::BUF, instance_width);
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if (pin_count() > 2) {
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cerr << get_line() << ": sorry: multiple output BUF "
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"primitives are not supported." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::BUF, instance_width);
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break;
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case BUFIF0:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::BUFIF0, instance_width);
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if (pin_count() != 3) {
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cerr << get_line() << ": error: the BUFIF0 "
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"primitive must have three arguments." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::BUFIF0, instance_width);
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break;
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case BUFIF1:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::BUFIF1, instance_width);
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if (pin_count() != 3) {
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cerr << get_line() << ": error: the BUFIF1 "
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"primitive must have three arguments." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::BUFIF1, instance_width);
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break;
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case CMOS:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::CMOS, instance_width);
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if (pin_count() != 4) {
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cerr << get_line() << ": error: the CMOS "
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"primitive must have four arguments." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::CMOS, instance_width);
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break;
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case NAND:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NAND, instance_width);
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if (pin_count() < 2) {
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cerr << get_line() << ": error: the NAND "
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"primitive must have an input." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NAND, instance_width);
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break;
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case NMOS:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NMOS, instance_width);
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if (pin_count() != 3) {
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cerr << get_line() << ": error: the NMOS "
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"primitive must have three arguments." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NMOS, instance_width);
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break;
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case NOR:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NOR, instance_width);
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if (pin_count() < 2) {
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cerr << get_line() << ": error: the NOR "
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"primitive must have an input." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NOR, instance_width);
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break;
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case NOT:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NOT, instance_width);
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if (pin_count() > 2) {
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cerr << get_line() << ": sorry: multiple output NOT "
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"primitives are not supported." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NOT, instance_width);
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break;
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case NOTIF0:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NOTIF0, instance_width);
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if (pin_count() != 3) {
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cerr << get_line() << ": error: the NOTIF0 "
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"primitive must have three arguments." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NOTIF0, instance_width);
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break;
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case NOTIF1:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NOTIF1, instance_width);
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if (pin_count() != 3) {
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cerr << get_line() << ": error: the NOTIF1 "
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"primitive must have three arguments." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::NOTIF1, instance_width);
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break;
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case OR:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::OR, instance_width);
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if (pin_count() < 2) {
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cerr << get_line() << ": error: the OR "
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"primitive must have an input." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::OR, instance_width);
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break;
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case RCMOS:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::RCMOS, instance_width);
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if (pin_count() != 4) {
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cerr << get_line() << ": error: the RCMOS "
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"primitive must have four arguments." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::RCMOS, instance_width);
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break;
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case RNMOS:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::RNMOS, instance_width);
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if (pin_count() != 3) {
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cerr << get_line() << ": error: the RNMOS "
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"primitive must have three arguments." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::RNMOS, instance_width);
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break;
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case RPMOS:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::RPMOS, instance_width);
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if (pin_count() != 3) {
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cerr << get_line() << ": error: the RPMOS "
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"primitive must have three arguments." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::RPMOS, instance_width);
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break;
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case PMOS:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::PMOS, instance_width);
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if (pin_count() != 3) {
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cerr << get_line() << ": error: the PMOS "
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"primitive must have three arguments." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::PMOS, instance_width);
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break;
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case PULLDOWN:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::PULLDOWN, instance_width);
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if (pin_count() > 1) {
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cerr << get_line() << ": sorry: multiple output PULLDOWN "
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"primitives are not supported." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::PULLDOWN,
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instance_width);
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break;
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case PULLUP:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::PULLUP, instance_width);
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if (pin_count() > 1) {
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cerr << get_line() << ": sorry: multiple output PULLUP "
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"primitives are not supported." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::PULLUP, instance_width);
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break;
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case XNOR:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::XNOR, instance_width);
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if (pin_count() < 2) {
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cerr << get_line() << ": error: the XNOR "
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"primitive must have an input." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::XNOR, instance_width);
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break;
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case XOR:
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::XOR, instance_width);
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if (pin_count() < 2) {
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cerr << get_line() << ": error: the XOR "
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"primitive must have an input." << endl;
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des->errors += 1;
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return;
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} else
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cur[idx] = new NetLogic(scope, inm, pin_count(),
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NetLogic::XOR, instance_width);
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break;
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default:
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cerr << get_line() << ": internal error: unhandled "
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