virtual void visit(AstGenCase* nodep, AstNUser*) {
UINFO(9," GENCASE "<<nodep<<endl);
AstNode* keepp = NULL;
nodep->exprp()->iterateAndNext(*this);
V3Case::caseLint(nodep);
V3Width::widthParamsEdit(nodep); // Param typed widthing will NOT recurse the body,
// don't trigger errors yet.
V3Const::constifyParamsEdit(nodep->exprp()); // exprp may change
AstConst* exprp = nodep->exprp()->castConst();
// Constify
for (AstCaseItem* itemp = nodep->itemsp(); itemp; itemp=itemp->nextp()->castCaseItem()) {
for (AstNode* ep = itemp->condsp(); ep; ) {
AstNode* nextp = ep->nextp(); //May edit list
ep->iterateAndNext(*this);
V3Const::constifyParamsEdit(ep); ep=NULL; // ep may change
// cppcheck-suppress redundantAssignment
ep = nextp;
}
}
// Item match
for (AstCaseItem* itemp = nodep->itemsp(); itemp; itemp=itemp->nextp()->castCaseItem()) {
if (!itemp->isDefault()) {
for (AstNode* ep = itemp->condsp(); ep; ep=ep->nextp()) {
if (AstConst* ccondp = ep->castConst()) {
V3Number match (nodep->fileline(), 1);
match.opEq(ccondp->num(), exprp->num());
if (!keepp && match.isNeqZero()) {
keepp = itemp->bodysp();
}
} else {
itemp->v3error("Generate Case item does not evaluate to constant");
}
}
}
}
// Else default match
for (AstCaseItem* itemp = nodep->itemsp(); itemp; itemp=itemp->nextp()->castCaseItem()) {
if (itemp->isDefault()) {
if (!keepp) keepp=itemp->bodysp();
}
}
// Replace
if (keepp) {
keepp->unlinkFrBackWithNext();
nodep->replaceWith(keepp);
}
else nodep->unlinkFrBack();
nodep->deleteTree(); nodep=NULL;
}
virtual void visit(AstBind* nodep, AstNUser*) {
// Bind: Has cells underneath that need to be put into the new module, and cells which need resolution
// TODO this doesn't allow bind to dotted hier names, that would require
// this move to post param, which would mean we do not auto-read modules
// and means we cannot compute module levels until later.
UINFO(4,"Link Bind: "<<nodep<<endl);
AstNodeModule* modp = resolveModule(nodep,nodep->name());
if (modp) {
AstNode* cellsp = nodep->cellsp()->unlinkFrBackWithNext();
// Module may have already linked, so need to pick up these new cells
AstNodeModule* oldModp = m_modp;
{
m_modp = modp;
modp->addStmtp(cellsp); // Important that this adds to end, as next iterate assumes does all cells
cellsp->iterateAndNext(*this);
}
m_modp = oldModp;
}
pushDeletep(nodep->unlinkFrBack());
}
