v0.18.0#390
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April 9, 2026 13:29
Introduces `enum ConstData { KnownConst, UnknownConst, NotConst }` and a
safe `getConstData` accessor on DFVal alongside the existing
`getConstDataUNSAFE`. `IntParamRef.getIntConstData` mirrors it.
All `protGetConstData` overrides now propagate UnknownConst virally.
No source produces UnknownConst yet — that arrives in the next stage
when DesignParam gains an unknown default state.
Co-authored-by: Copilot <copilot@github.com>
The new-style root DB now has empty `members`, empty `refTable`, and `designBlock = None`. Every design (including the top) lives in `internalDBs` as a sub-DB; sub-DBs themselves have empty `internalDBs`. This removes the prior duplication where the top design was a member of both root and topSubDB, and gives every design a uniform treatment. `getSet` on root now fails loudly so callers must dispatch via sub-DBs. `HierarchyStage` no longer runs `transformSubDB` on root. Globals are partitioned per sub-DB by closure, in original elaboration order. Orphan globals (unreferenced) are anchored at the top sub-DB to survive the round-trip. The SanityCheck round-trip relaxes globals to a set comparison since cross-sub-DB ordering is no longer guaranteed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Aligns the field name with the existing "sub-DB" terminology already used throughout the codebase (subDB, topSubDB, transformSubDB, "sub-DB" in comments). Local variable in oldToNew renamed to builtSubDBs to avoid shadowing the field. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: Copilot <copilot@github.com>
…d designs in immutable DB Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: Copilot <copilot@github.com>
…Timing, ClkRstTimingMap Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: Copilot <copilot@github.com>
… DropDesignParamDeps. reenable GlobalizeVectorParamDeps. move AES reference files.
…lobal defs all the time
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