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Fix unsupported if virtual interface warning (#6558) (#6861)

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This commit is contained in:
Krzysztof Bieganski
2025-12-23 10:12:34 -05:00
committed by GitHub
parent 742c0b134c
commit a2fcd37c08
9 changed files with 68 additions and 17 deletions
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src/V3SchedVirtIface.cpp
+8 -7
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@@ -104,12 +104,13 @@ private:
});
}
// Error on write across a virtual interface boundary
static void unsupportedWriteToVirtIface(AstNode* nodep, const char* locationp) {
static void unsupportedWriteToVirtIfaceMember(AstNode* nodep, const char* locationp) {
if (!nodep) return;
foreachWrittenVirtIface(nodep, [locationp](AstVarRef* const selp, AstIface*) {
selp->v3warn(E_UNSUPPORTED,
"Unsupported: Write to virtual interface in " << locationp);
});
foreachWrittenVirtIfaceMember(
nodep, [locationp](AstVarRef* const selp, AstIface*, AstVar* varp) {
selp->v3warn(E_UNSUPPORTED,
"Unsupported: Write to virtual interface in " << locationp);
});
}
// Create trigger var for the given interface if it doesn't exist; return a write ref to it
AstVarRef* createVirtIfaceTriggerRefp(FileLine* const flp, AstIface* ifacep) {
@@ -164,7 +165,7 @@ private:
iterateChildren(nodep);
}
void visit(AstNodeIf* nodep) override {
unsupportedWriteToVirtIface(nodep->condp(), "if condition");
unsupportedWriteToVirtIfaceMember(nodep->condp(), "if condition");
{
VL_RESTORER(m_trigAssignp);
VL_RESTORER(m_trigAssignIfacep);
@@ -201,7 +202,7 @@ private:
}
}
void visit(AstLoopTest* nodep) override {
unsupportedWriteToVirtIface(nodep->condp(), "loop condition");
unsupportedWriteToVirtIfaceMember(nodep->condp(), "loop condition");
}
void visit(AstJumpBlock* nodep) override {
{