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Support $rose and $fell. (#2148) (#2501)

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This commit is contained in:
Peter Monsson
2020-08-14 07:37:10 -04:00
committed by GitHub
parent 5d98035170
commit 4a5e4b04f3
10 changed files with 304 additions and 1 deletions
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src/V3AssertPre.cpp
+28
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@@ -89,11 +89,39 @@ private:
if (!nodep->immediate()) nodep->sentreep(newSenTree(nodep));
clearAssertInfo();
}
virtual void visit(AstFell* nodep) VL_OVERRIDE {
if (nodep->sentreep()) return; // Already processed
iterateChildren(nodep);
FileLine* fl = nodep->fileline();
AstNode* exprp = nodep->exprp()->unlinkFrBack();
if (exprp->width() > 1) exprp = new AstSel(fl, exprp, 0, 1);
AstNode* past = new AstPast(fl, exprp, NULL);
past->dtypeFrom(exprp);
exprp = new AstAnd(fl, past, new AstNot(fl, exprp->cloneTree(false)));
exprp->dtypeSetLogicBool();
nodep->replaceWith(exprp);
nodep->sentreep(newSenTree(nodep));
VL_DO_DANGLING(pushDeletep(nodep), nodep);
}
virtual void visit(AstPast* nodep) VL_OVERRIDE {
if (nodep->sentreep()) return; // Already processed
iterateChildren(nodep);
nodep->sentreep(newSenTree(nodep));
}
virtual void visit(AstRose* nodep) VL_OVERRIDE {
if (nodep->sentreep()) return; // Already processed
iterateChildren(nodep);
FileLine* fl = nodep->fileline();
AstNode* exprp = nodep->exprp()->unlinkFrBack();
if (exprp->width() > 1) exprp = new AstSel(fl, exprp, 0, 1);
AstNode* past = new AstPast(fl, exprp, NULL);
past->dtypeFrom(exprp);
exprp = new AstAnd(fl, new AstNot(fl, past), exprp->cloneTree(false));
exprp->dtypeSetLogicBool();
nodep->replaceWith(exprp);
nodep->sentreep(newSenTree(nodep));
VL_DO_DANGLING(pushDeletep(nodep), nodep);
}
virtual void visit(AstStable* nodep) VL_OVERRIDE {
if (nodep->sentreep()) return; // Already processed
iterateChildren(nodep);