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Add parameterless assert control system tasks (#5010)

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Signed-off-by: Bartłomiej Chmiel <[email protected]>
Co-authored-by: Ryszard Rozak <[email protected]>
Co-authored-by: Wilson Snyder <[email protected]>
Co-authored-by: Arkadiusz Kozdra <[email protected]>
This commit is contained in:
Bartłomiej Chmiel
2024-05-08 08:31:34 -04:00
committed by GitHub
co-authored by Ryszard Rozak Wilson Snyder Arkadiusz Kozdra
parent 298e0f24d1
commit 2a9f29912c
19 changed files with 684 additions and 10 deletions
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src/V3Assert.cpp
+48
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@@ -518,6 +518,54 @@ class AssertVisitor final : public VNVisitor {
iterateChildren(nodep);
newPslAssertion(nodep, nodep->failsp());
}
void visit(AstAssertCtl* nodep) override {
if (VN_IS(m_modp, Class) || VN_IS(m_modp, Iface)) {
nodep->v3warn(E_UNSUPPORTED, "Unsupported: assertcontrols in classes or interfaces");
VL_DO_DANGLING(pushDeletep(nodep->unlinkFrBack()), nodep);
return;
}
iterateChildren(nodep);
if (const AstConst* const constp = VN_CAST(nodep->controlTypep(), Const)) {
nodep->ctlType(constp->toSInt());
} else if (nodep->ctlType() == VAssertCtlType::_TO_BE_EVALUATED) {
nodep->v3warn(E_UNSUPPORTED, "Unsupported: non-const assert control type expression");
VL_DO_DANGLING(pushDeletep(nodep->unlinkFrBack()), nodep);
return;
}
switch (nodep->ctlType()) {
case VAssertCtlType::ON:
case VAssertCtlType::OFF:
case VAssertCtlType::KILL: {
UINFO(9, "Generating assertctl for a module: " << m_modp << endl);
FileLine* const fl = nodep->fileline();
const string assertOnStmt
= string{"vlSymsp->_vm_contextp__->assertOn("}
+ (nodep->ctlType() == VAssertCtlType::ON ? "true" : "false") + ");\n";
nodep->replaceWith(new AstCExpr{fl, assertOnStmt, 1});
break;
}
case VAssertCtlType::LOCK:
case VAssertCtlType::UNLOCK:
case VAssertCtlType::PASS_ON:
case VAssertCtlType::PASS_OFF:
case VAssertCtlType::FAIL_ON:
case VAssertCtlType::FAIL_OFF:
case VAssertCtlType::NONVACUOUS_ON:
case VAssertCtlType::VACUOUS_OFF: {
nodep->unlinkFrBack();
nodep->v3warn(E_UNSUPPORTED, "Unsupported assertcontrol control_type");
break;
}
default: {
nodep->unlinkFrBack();
nodep->v3warn(EC_ERROR, "Bad assertcontrol control_type (IEEE 1800-2023 Table 20-5)");
}
}
VL_DO_DANGLING(pushDeletep(nodep), nodep);
}
void visit(AstAssertIntrinsic* nodep) override {
iterateChildren(nodep);
newPslAssertion(nodep, nodep->failsp());