DanilaFe/agda-spa
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4 Commits

Author SHA1 Message Date
Danila Fedorin
93f913a699 Clean up namespaces in the analysis framework 
- Wrap the forward-analysis framework in a Spa.Forward namespace so its
  generic names (analyze, result, joinAll, variablesAt, ...) no longer
  sit flat in Spa, matching the ConstAnalysis/SignAnalysis convention.
- Merge the split Graph namespace in Graphs.lean by relocating buildCfg.
- Use nested namespace Spa / Fixedpoint instead of Spa.Fixedpoint.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
 2026-06-24 13:56:16 -05:00
Danila Fedorin
b1dc725ced Apply some cleanups to Graphs.lean 2026-06-23 14:10:54 -05:00
Danila Fedorin
7f753a4f38 Delete more LLM-generated comments from the migration 2026-06-23 12:29:46 -05:00
Danila Fedorin
2cfd0a2fb7 Lean migration: Phase 5 (language, CFGs, traces, Program) 
- Spa.Language.Base: Expr/BasicStmt/Stmt + HasVar relations; StringSet
  lifts to Finset String
- Spa.Language.Semantics: Value/Env/Env.Mem, big-step relations,
  LatticeInterpretation (respects-≈ field drops out with =)
- Spa.Language.Graphs: Graph with nodes : Fin size → List BasicStmt
  (Vec lookup lemmas lift to Fin.append_left/right), comp/link/loop/
  skipto/singleton/wrap/buildCfg, predecessors via List.finRange
- Spa.Language.Traces: Trace + EndToEndTrace (Prop-valued)
- Spa.Language.Properties: trace embeddings, loop lemmas,
  buildCfg_sufficient; the 80-line Fin-disjointness block reduces to
  castAdd_ne_natAdd + mathlib list lemmas
- Spa.Language: Program (vars via Finset.sort — toList is noncomputable)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
 2026-06-09 19:30:42 -07:00