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Support parameterized virtual interaces (#4047) (#4743)

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This commit is contained in:
Ryszard Rozak
2023-12-06 08:02:04 -05:00
committed by GitHub
parent ca5a7d7656
commit eb2cfe1d19
5 changed files with 195 additions and 0 deletions
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src/V3Param.cpp
+12
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@@ -919,6 +919,11 @@ class ParamProcessor final {
nodep->recursive(false);
}
void ifaceRefDeparam(AstIfaceRefDType* const nodep, AstNodeModule*& srcModpr) {
nodeDeparamCommon(nodep, srcModpr, nodep->paramsp(), nullptr, false);
nodep->ifacep(VN_AS(srcModpr, Iface));
}
void classRefDeparam(AstClassOrPackageRef* nodep, AstNodeModule*& srcModpr) {
if (nodeDeparamCommon(nodep, srcModpr, nodep->paramsp(), nullptr, false))
nodep->classOrPackagep(srcModpr);
@@ -948,6 +953,8 @@ public:
if (auto* cellp = VN_CAST(nodep, Cell)) {
cellDeparam(cellp, srcModpr);
} else if (auto* ifaceRefDTypep = VN_CAST(nodep, IfaceRefDType)) {
ifaceRefDeparam(ifaceRefDTypep, srcModpr);
} else if (auto* classRefp = VN_CAST(nodep, ClassRefDType)) {
classRefDeparam(classRefp, srcModpr);
} else if (auto* classRefp = VN_CAST(nodep, ClassOrPackageRef)) {
@@ -1042,6 +1049,8 @@ class ParamVisitor final : public VNVisitor {
if (VN_IS(classRefp->classOrPackageNodep(), ParamTypeDType)) continue;
} else if (const auto* classRefp = VN_CAST(cellp, ClassRefDType)) {
srcModp = classRefp->classp();
} else if (const auto* ifaceRefp = VN_CAST(cellp, IfaceRefDType)) {
srcModp = ifaceRefp->ifacep();
} else {
cellp->v3fatalSrc("Expected module parameterization");
}
@@ -1137,6 +1146,9 @@ class ParamVisitor final : public VNVisitor {
void visit(AstCell* nodep) override {
visitCellOrClassRef(nodep, VN_IS(nodep->modp(), Iface));
}
void visit(AstIfaceRefDType* nodep) override {
if (nodep->ifacep()) visitCellOrClassRef(nodep, true);
}
void visit(AstClassRefDType* nodep) override { visitCellOrClassRef(nodep, false); }
void visit(AstClassOrPackageRef* nodep) override { visitCellOrClassRef(nodep, false); }