diff options
Diffstat (limited to 'toplevel/coqloop.ml')
| -rw-r--r-- | toplevel/coqloop.ml | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/toplevel/coqloop.ml b/toplevel/coqloop.ml index 1da46e8ce..a103cfe7f 100644 --- a/toplevel/coqloop.ml +++ b/toplevel/coqloop.ml @@ -341,6 +341,22 @@ let loop_flush_all () = Format.pp_print_flush !Topfmt.std_ft (); Format.pp_print_flush !Topfmt.err_ft () +let pr_open_cur_subgoals () = + try + let proof = Proof_global.give_me_the_proof () in + Printer.pr_open_subgoals ~proof + with Proof_global.NoCurrentProof -> Pp.str "" + +(* Goal equality heuristic. *) +let pequal cmp1 cmp2 (a1,a2) (b1,b2) = cmp1 a1 b1 && cmp2 a2 b2 +let evleq e1 e2 = CList.equal Evar.equal e1 e2 +let cproof p1 p2 = + let (a1,a2,a3,a4,_),(b1,b2,b3,b4,_) = Proof.proof p1, Proof.proof p2 in + evleq a1 b1 && + CList.equal (pequal evleq evleq) a2 b2 && + CList.equal Evar.equal a3 b3 && + CList.equal Evar.equal a4 b4 + let drop_last_doc = ref None let rec loop ~time ~state = @@ -351,6 +367,10 @@ let rec loop ~time ~state = (* Be careful to keep this loop tail-recursive *) let rec vernac_loop ~state = let nstate = do_vernac ~time ~state in + let proof_changed = not (Option.equal cproof nstate.proof state.proof) in + let print_goals = not !Flags.quiet && + proof_changed && Proof_global.there_are_pending_proofs () in + if print_goals then Feedback.msg_notice (pr_open_cur_subgoals ()); loop_flush_all (); vernac_loop ~state:nstate (* We recover the current stateid, threading from the caller is |