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Diffstat (limited to 'backends/lean/Base/Progress')
| -rw-r--r-- | backends/lean/Base/Progress/Progress.lean | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/backends/lean/Base/Progress/Progress.lean b/backends/lean/Base/Progress/Progress.lean index c0ddc63d..a281f1d2 100644 --- a/backends/lean/Base/Progress/Progress.lean +++ b/backends/lean/Base/Progress/Progress.lean @@ -307,7 +307,18 @@ def evalProgress (args : TSyntax `Progress.progressArgs) : TacticM Unit := do let args := (args.get! 2).getArgs (args.get! 3).getArgs.size > 0 trace[Progress] "Split post: {splitPost}" - progressAsmsOrLookupTheorem keep withArg ids splitPost (firstTac [assumptionTac, Arith.scalarTac]) + /- For scalarTac we have a fast track: if the goal is not a linear + arithmetic goal, we skip (note that otherwise, scalarTac would try + to prove a contradiction) -/ + let scalarTac : TacticM Unit := do + if ← Arith.goalIsLinearInt then + -- Also: we don't try to split the goal if it is a conjunction + -- (it shouldn't be) + Arith.scalarTac false + else + throwError "Not a linear arithmetic goal" + progressAsmsOrLookupTheorem keep withArg ids splitPost ( + firstTac [assumptionTac, scalarTac]) elab "progress" args:progressArgs : tactic => evalProgress args |