luke/verilator
1
0
Fork 0
mirror of https://github.com/verilator/verilator.git synced 2026-08-30 01:38:21 +02:00
Code Issues Packages Projects Releases Wiki Activity

Support until_with property (#7290 partial) (#7436)

Browse Source
This commit is contained in:
Ryszard Rozak
2026-04-17 06:33:36 -04:00
committed by GitHub
parent 72952fd3fb
commit ba508c00d2
10 changed files with 69 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/V3AssertPre.cpp
+17 -5
View File
@@ -1148,16 +1148,28 @@ private:
VL_DO_DANGLING(pushDeletep(nodep), nodep);
return;
}
if (nodep->isStrong()) {
nodep->v3warn(E_UNSUPPORTED, "Unsupported: s_until"
<< (nodep->isOverlapping() ? "_with" : "")
<< " (in property expresion)");
nodep->replaceWith(new AstConst{flp, AstConst::BitFalse{}});
VL_DO_DANGLING(pushDeletep(nodep), nodep);
return;
}
AstLoop* const loopp = new AstLoop{flp};
AstNodeExpr* const rhsp = nodep->rhsp()->unlinkFrBack();
AstLogAnd* const condp
= new AstLogAnd{flp, nodep->lhsp()->unlinkFrBack(), new AstLogNot{flp, rhsp}};
loopp->addStmtsp(new AstLoopTest{flp, loopp, condp});
AstNodeExpr* const lhsp = nodep->lhsp()->unlinkFrBack();
AstLogAnd* const loopCondp = new AstLogAnd{flp, lhsp, new AstLogNot{flp, rhsp}};
loopp->addStmtsp(new AstLoopTest{flp, loopp, loopCondp});
loopp->addStmtsp(new AstEventControl{flp, newSenTree(nodep), nullptr});
AstNodeExpr* const rhsCopyp = rhsp->cloneTreePure(false);
AstNodeExpr* const passCondp
= nodep->isOverlapping() ? new AstLogAnd{flp, lhsp->cloneTreePure(false), rhsCopyp}
: rhsCopyp;
AstBegin* const beginp = new AstBegin{flp, "", loopp, true};
beginp->addStmtsp(new AstIf{flp, rhsp->cloneTreePure(false), new AstPExprClause{flp},
new AstPExprClause{flp, false}});
beginp->addStmtsp(
new AstIf{flp, passCondp, new AstPExprClause{flp}, new AstPExprClause{flp, false}});
AstPExpr* const pexprp = new AstPExpr{flp, beginp, nodep->dtypep()};
pexprp->user1(1);