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Support obj.randomize(null) (#7487) (#7509)

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This commit is contained in:
Yilou Wang
2026-04-28 15:31:08 -04:00
committed by GitHub
parent 93c594e18a
commit 76c1b26e3b
10 changed files with 547 additions and 24 deletions
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src/V3Width.cpp
+5 -6
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@@ -4740,13 +4740,12 @@ class WidthVisitor final : public VNVisitor {
VL_DO_DANGLING(argp->unlinkFrBack()->deleteTree(), argp);
}
}
if (nullp) {
if (hasNonNullArgs) {
nullp->v3error("Cannot pass more arguments to 'randomize(null)'");
} else {
nullp->v3warn(E_UNSUPPORTED, "Unsupported: 'randomize(null)'");
}
if (nullp && hasNonNullArgs) {
nullp->v3error("Cannot pass more arguments to 'randomize(null)'");
}
// A solo 'null' arg is left in place; V3Randomize lowers it into a
// check-only solve so constraints are validated against the current
// values of every rand member (IEEE 1800-2023 18.11).
}
void methodCallClass(AstMethodCall* nodep, AstClassRefDType* adtypep) {
// No need to width-resolve the class, as it was done when we did the child