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Diffstat (limited to 'proofs/pfedit.ml')
| -rw-r--r-- | proofs/pfedit.ml | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/proofs/pfedit.ml b/proofs/pfedit.ml index 3d507f35..6ac0b553 100644 --- a/proofs/pfedit.ml +++ b/proofs/pfedit.ml @@ -35,8 +35,10 @@ let delete_proof = Proof_global.discard let delete_current_proof = Proof_global.discard_current let delete_all_proofs = Proof_global.discard_all -let undo n = +let undo n = let p = Proof_global.give_me_the_proof () in + let d = Proof.V82.depth p in + if n >= d then raise Proof.EmptyUndoStack; for i = 1 to n do Proof.undo p done @@ -64,15 +66,7 @@ let start_proof id str hyps c ?init_tac ?compute_guard hook = Proof_global.start_proof id str goals ?compute_guard hook; Option.iter Proof_global.run_tactic init_tac -let restart_proof () = - let p = Proof_global.give_me_the_proof () in - try while true do - Proof.undo p - done with Proof.EmptyUndoStack -> () - -let resume_last_proof () = Proof_global.resume_last () -let resume_proof (_,id) = Proof_global.resume id -let suspend_proof () = Proof_global.suspend () +let restart_proof () = undo_todepth 1 let cook_proof hook = let prf = Proof_global.give_me_the_proof () in |