diff options
Diffstat (limited to 'plugins/extraction/extraction.ml')
| -rw-r--r-- | plugins/extraction/extraction.ml | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/plugins/extraction/extraction.ml b/plugins/extraction/extraction.ml index a3cf5fbbe..815150f8e 100644 --- a/plugins/extraction/extraction.ml +++ b/plugins/extraction/extraction.ml @@ -330,7 +330,21 @@ let rec extract_type env sg db j c args = else extract_type env sg db j (EConstr.mkProj (Projection.unfold p, t)) args | Case _ | Fix _ | CoFix _ -> Tunknown - | Var _ | Meta _ | Evar _ | Cast _ | LetIn _ | Construct _ -> assert false + | Evar _ | Meta _ -> Taxiom (* only possible during Show Extraction *) + | Var v -> + (* For Show Extraction *) + let open Context.Named.Declaration in + (match EConstr.lookup_named v env with + | LocalDef (_,body,_) -> + extract_type env sg db j (EConstr.applist (body,args)) [] + | LocalAssum (_,ty) -> + let r = VarRef v in + (match flag_of_type env sg ty with + | (Logic,_) -> assert false (* Cf. logical cases above *) + | (Info, TypeScheme) -> + extract_type_app env sg db (r, type_sign env sg ty) args + | (Info, Default) -> Tunknown)) + | Cast _ | LetIn _ | Construct _ -> assert false (*s Auxiliary function dealing with type application. Precondition: [r] is a type scheme represented by the signature [s], @@ -656,7 +670,18 @@ let rec extract_term env sg mle mlt c args = | CoFix (i,recd) -> extract_app env sg mle mlt (extract_fix env sg mle i recd) args | Cast (c,_,_) -> extract_term env sg mle mlt c args - | Ind _ | Prod _ | Sort _ | Meta _ | Evar _ | Var _ -> assert false + | Evar _ | Meta _ -> MLaxiom + | Var v -> + (* Only during Show Extraction *) + let open Context.Named.Declaration in + let ty = match EConstr.lookup_named v env with + | LocalAssum (_,ty) -> ty + | LocalDef (_,_,ty) -> ty + in + let vty = extract_type env sg [] 0 ty [] in + let extract_var mlt = put_magic (mlt,vty) (MLglob (VarRef v)) in + extract_app env sg mle mlt extract_var args + | Ind _ | Prod _ | Sort _ -> assert false (*s [extract_maybe_term] is [extract_term] for usual terms, else [MLdummy] *) |