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Add support for assigning a queue using a normal concatenation

This commit is contained in:
Cary R 2020-08-09 21:08:02 -07:00
parent 1a0c06566d
commit 61884e559c
1 changed files with 20 additions and 4 deletions
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24
elab_expr.cc
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@ -3019,17 +3019,33 @@ unsigned PEConcat::test_width(Design*des, NetScope*scope, width_mode_t&)
// Keep track of the concatenation/repeat depth.
static int concat_depth = 0;
NetExpr* PEConcat::elaborate_expr(Design*, NetScope*,
ivl_type_t type, unsigned /*flags*/) const
NetExpr* PEConcat::elaborate_expr(Design*des, NetScope*scope,
ivl_type_t ntype, unsigned flags) const
{
switch (type->base_type()) {
switch (ntype->base_type()) {
case IVL_VT_QUEUE:
if (parms_.size() == 0) {
NetENull*tmp = new NetENull;
tmp->set_line(*this);
return tmp;
} else {
const netdarray_t*array_type = dynamic_cast<const netdarray_t*> (ntype);
ivl_assert(*this, array_type);
// This is going to be an array pattern, so run through the
// elements of the expression and elaborate each as if they
// are element_type expressions.
ivl_type_t elem_type = array_type->element_type();
vector<NetExpr*> elem_exprs (parms_.size());
for (size_t idx = 0 ; idx < parms_.size() ; idx += 1) {
NetExpr*tmp = parms_[idx]->elaborate_expr(des, scope, elem_type, flags);
elem_exprs[idx] = tmp;
}
NetEArrayPattern*res = new NetEArrayPattern(array_type, elem_exprs);
res->set_line(*this);
return res;
}
// fallthrough
default:
cerr << get_fileline() << ": internal error: "
<< "I don't know how to elaborate(ivl_type_t)"