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Support modports referencing clocking blocks (#4555) (#6436)

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This commit is contained in:
Ryszard Rozak
2025-09-16 13:25:40 -04:00
committed by GitHub
parent ef458be855
commit c856380fac
10 changed files with 141 additions and 10 deletions
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src/V3LinkDot.cpp
+17
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@@ -2404,6 +2404,19 @@ class LinkDotIfaceVisitor final : public VNVisitor {
VL_DO_DANGLING(pushDeletep(nodep), nodep);
}
}
void visit(AstModportClockingRef* nodep) override { // IfaceVisitor::
UINFO(5, " fic: " << nodep);
iterateChildren(nodep);
VSymEnt* const symp = m_curSymp->findIdFallback(nodep->name());
if (!symp) {
nodep->v3error("Modport item not found: " << nodep->prettyNameQ());
} else if (AstClocking* const clockingp = VN_CAST(symp->nodep(), Clocking)) {
nodep->clockingp(clockingp);
m_statep->insertSym(m_curSymp, nodep->name(), nodep, nullptr /*package*/);
} else {
nodep->v3error("Modport item is not a clocking block: " << nodep->prettyNameQ());
}
}
void visit(AstNode* nodep) override { iterateChildren(nodep); } // IfaceVisitor::
public:
@@ -3963,7 +3976,11 @@ class LinkDotResolveVisitor final : public VNVisitor {
dotSymp = m_statep->getNodeSym(ifaceRefp->ifacep());
}
}
} else if (const AstModportClockingRef* const clockingRefp
= VN_CAST(dotSymp->nodep(), ModportClockingRef)) {
dotSymp = m_statep->getNodeSym(clockingRefp->clockingp());
}
if (!m_statep->forScopeCreation()) {
VSymEnt* foundp = nullptr;
if (modport) {