diff options
| -rw-r--r-- | engine/evd.ml | 2 | ||||
| -rw-r--r-- | engine/evd.mli | 3 | ||||
| -rw-r--r-- | engine/termops.ml | 8 | ||||
| -rw-r--r-- | pretyping/coercion.ml | 1 | ||||
| -rw-r--r-- | pretyping/pretyping.ml | 20 | ||||
| -rw-r--r-- | vernac/comProgramFixpoint.ml | 3 | ||||
| -rw-r--r-- | vernac/obligations.ml | 12 |
7 files changed, 31 insertions, 18 deletions
diff --git a/engine/evd.ml b/engine/evd.ml index 3a77a2b440..b3848e1b5b 100644 --- a/engine/evd.ml +++ b/engine/evd.ml @@ -483,6 +483,8 @@ let is_typeclass_evar evd evk = let flags = evd.evar_flags in Evar.Set.mem evk flags.typeclass_evars +let get_obligation_evars evd = evd.evar_flags.obligation_evars + let set_obligation_evar evd evk = let flags = evd.evar_flags in let evar_flags = { flags with obligation_evars = Evar.Set.add evk flags.obligation_evars } in diff --git a/engine/evd.mli b/engine/evd.mli index b0e3c2b869..be54bebcd7 100644 --- a/engine/evd.mli +++ b/engine/evd.mli @@ -262,6 +262,9 @@ val get_typeclass_evars : evar_map -> Evar.Set.t val is_typeclass_evar : evar_map -> Evar.t -> bool (** Is the evar declared resolvable for typeclass resolution *) +val get_obligation_evars : evar_map -> Evar.Set.t +(** The set of obligation evars *) + val set_obligation_evar : evar_map -> Evar.t -> evar_map (** Declare an evar as an obligation *) diff --git a/engine/termops.ml b/engine/termops.ml index 5e220fd8f1..bd4021192c 100644 --- a/engine/termops.ml +++ b/engine/termops.ml @@ -371,12 +371,18 @@ let pr_evar_map_gen with_univs pr_evars sigma = else str "TYPECLASSES:" ++ brk (0, 1) ++ prlist_with_sep spc Evar.print (Evar.Set.elements evars) ++ fnl () + and obligations = + let evars = Evd.get_obligation_evars sigma in + if Evar.Set.is_empty evars then mt () + else + str "OBLIGATIONS:" ++ brk (0, 1) ++ + prlist_with_sep spc Evar.print (Evar.Set.elements evars) ++ fnl () and metas = if List.is_empty (Evd.meta_list sigma) then mt () else str "METAS:" ++ brk (0, 1) ++ pr_meta_map sigma in - evs ++ svs ++ cstrs ++ typeclasses ++ metas + evs ++ svs ++ cstrs ++ typeclasses ++ obligations ++ metas let pr_evar_list sigma l = let open Evd in diff --git a/pretyping/coercion.ml b/pretyping/coercion.ml index e15c00f7dc..e21c2fda85 100644 --- a/pretyping/coercion.ml +++ b/pretyping/coercion.ml @@ -104,6 +104,7 @@ let make_existential ?loc ?(opaque = not (get_proofs_transparency ())) na env ev Evar_kinds.qm_name=na; }) in let evd, v = Evarutil.new_evar env !evdref ~src c in + let evd = Evd.set_obligation_evar evd (fst (destEvar evd v)) in evdref := evd; v diff --git a/pretyping/pretyping.ml b/pretyping/pretyping.ml index 37afcf75e1..dc4f73d24a 100644 --- a/pretyping/pretyping.ml +++ b/pretyping/pretyping.ml @@ -457,6 +457,15 @@ let pretype_sort ?loc sigma = function let new_type_evar env sigma loc = new_type_evar env sigma ~src:(Loc.tag ?loc Evar_kinds.InternalHole) +let mark_obligation_evar sigma k evc = + if Flags.is_program_mode () then + match k with + | Evar_kinds.QuestionMark _ + | Evar_kinds.ImplicitArg (_, _, false) -> + Evd.set_obligation_evar sigma (fst (destEvar sigma evc)) + | _ -> sigma + else sigma + (* [pretype tycon env sigma lvar lmeta cstr] attempts to type [cstr] *) (* in environment [env], with existential variables [sigma] and *) (* the type constraint tycon *) @@ -510,15 +519,7 @@ let rec pretype k0 resolve_tc (tycon : type_constraint) (env : GlobEnv.t) (sigma | Some ty -> sigma, ty | None -> new_type_evar env sigma loc in let sigma, uj_val = new_evar env sigma ~src:(loc,k) ~naming ty in - let sigma = - if Flags.is_program_mode () then - match k with - | Evar_kinds.QuestionMark _ - | Evar_kinds.ImplicitArg (_, _, false) -> - Evd.set_obligation_evar sigma (fst (destEvar sigma uj_val)) - | _ -> sigma - else sigma - in + let sigma = mark_obligation_evar sigma k uj_val in sigma, { uj_val; uj_type = ty } | GHole (k, _naming, Some arg) -> @@ -1039,6 +1040,7 @@ and pretype_type k0 resolve_tc valcon (env : GlobEnv.t) sigma c = match DAst.get | None -> let sigma, s = new_sort_variable univ_flexible_alg sigma in let sigma, utj_val = new_evar env sigma ~src:(loc, knd) ~naming (mkSort s) in + let sigma = mark_obligation_evar sigma knd utj_val in sigma, { utj_val; utj_type = s}) | _ -> let sigma, j = pretype k0 resolve_tc empty_tycon env sigma c in diff --git a/vernac/comProgramFixpoint.ml b/vernac/comProgramFixpoint.ml index cea8af3f05..fe8ef1f0e0 100644 --- a/vernac/comProgramFixpoint.ml +++ b/vernac/comProgramFixpoint.ml @@ -178,7 +178,8 @@ let build_wellfounded (recname,pl,n,bl,arityc,body) poly r measure notation = let sigma, h_e_term = Evarutil.new_evar env sigma ~src:(Loc.tag @@ Evar_kinds.QuestionMark { Evar_kinds.default_question_mark with Evar_kinds.qm_obligation=Evar_kinds.Define false; - }) wf_proof in + }) wf_proof in + let sigma = Evd.set_obligation_evar sigma (fst (destEvar sigma h_e_term)) in sigma, mkApp (h_a_term, [| argtyp ; wf_rel ; h_e_term; prop |]) in let sigma, def = Typing.solve_evars env sigma def in diff --git a/vernac/obligations.ml b/vernac/obligations.ml index fbf552e649..5c1384fba7 100644 --- a/vernac/obligations.ml +++ b/vernac/obligations.ml @@ -37,13 +37,11 @@ let succfix (depth, fixrels) = let check_evars env evm = Evar.Map.iter - (fun key evi -> - let (loc,k) = evar_source key evm in - match k with - | Evar_kinds.QuestionMark _ - | Evar_kinds.ImplicitArg (_,_,false) -> () - | _ -> - Pretype_errors.error_unsolvable_implicit ?loc env evm key None) + (fun key evi -> + if Evd.is_obligation_evar evm key then () + else + let (loc,k) = evar_source key evm in + Pretype_errors.error_unsolvable_implicit ?loc env evm key None) (Evd.undefined_map evm) type oblinfo = |