diff options
Diffstat (limited to 'pretyping')
| -rw-r--r-- | pretyping/evarconv.ml | 15 | ||||
| -rw-r--r-- | pretyping/evd.ml | 11 |
2 files changed, 20 insertions, 6 deletions
diff --git a/pretyping/evarconv.ml b/pretyping/evarconv.ml index d82d555f84..c538a137f2 100644 --- a/pretyping/evarconv.ml +++ b/pretyping/evarconv.ml @@ -1158,9 +1158,14 @@ let apply_conversion_problem_heuristic ts env evd pbty t1 t2 = (* Some head evar have been instantiated, or unknown kind of problem *) evar_conv_x ts env evd pbty t1 t2 +let error_cannot_unify env evd pb ?reason t1 t2 = + Pretype_errors.error_cannot_unify_loc + (loc_of_conv_pb evd pb) env + evd ?reason (t1, t2) + let check_problems_are_solved env evd = match snd (extract_all_conv_pbs evd) with - | (pbty,env,t1,t2)::_ -> Pretype_errors.error_cannot_unify env evd (t1, t2) + | (pbty,env,t1,t2) as pb::_ -> error_cannot_unify env evd pb t1 t2 | _ -> () let max_undefined_with_candidates evd = @@ -1229,17 +1234,15 @@ let consider_remaining_unif_problems env aux evd pbs progress (pb :: stuck) end | UnifFailure (evd,reason) -> - Pretype_errors.error_cannot_unify_loc (loc_of_conv_pb evd pb) - env evd ~reason (t1, t2)) + error_cannot_unify env evd pb ~reason t1 t2) | _ -> if progress then aux evd stuck false [] else match stuck with | [] -> (* We're finished *) evd | (pbty,env,t1,t2 as pb) :: _ -> - (* There remains stuck problems *) - Pretype_errors.error_cannot_unify_loc (loc_of_conv_pb evd pb) - env evd (t1, t2) + (* There remains stuck problems *) + error_cannot_unify env evd pb t1 t2 in let (evd,pbs) = extract_all_conv_pbs evd in let heuristic_solved_evd = aux evd pbs false [] in diff --git a/pretyping/evd.ml b/pretyping/evd.ml index 0bc688aacf..2f4b8fc12f 100644 --- a/pretyping/evd.ml +++ b/pretyping/evd.ml @@ -840,6 +840,7 @@ let set_universe_context evd uctx' = { evd with universes = uctx' } let add_conv_pb ?(tail=false) pb d = + (** MS: we have duplicates here, why? *) if tail then {d with conv_pbs = d.conv_pbs @ [pb]} else {d with conv_pbs = pb::d.conv_pbs} @@ -1888,6 +1889,16 @@ let print_env_short env = let pr_evar_constraints pbs = let pr_evconstr (pbty, env, t1, t2) = + let env = + (** We currently allow evar instances to refer to anonymous de + Bruijn indices, so we protect the error printing code in this + case by giving names to every de Bruijn variable in the + rel_context of the conversion problem. MS: we should rather + stop depending on anonymous variables, they can be used to + indicate independency. Also, this depends on a strategy for + naming/renaming. *) + Namegen.make_all_name_different env + in print_env_short env ++ spc () ++ str "|-" ++ spc () ++ print_constr_env env t1 ++ spc () ++ str (match pbty with |