diff options
Diffstat (limited to 'toplevel/metasyntax.ml')
| -rw-r--r-- | toplevel/metasyntax.ml | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/toplevel/metasyntax.ml b/toplevel/metasyntax.ml index ec45c7ed8..f28ef3f65 100644 --- a/toplevel/metasyntax.ml +++ b/toplevel/metasyntax.ml @@ -899,12 +899,12 @@ let warn_non_reversible_notation = (fun () -> strbrk "This notation will not be used for printing as it is not reversible.") -let is_not_printable onlyparse noninjective = function +let is_not_printable onlyparse nonreversible = function | NVar _ -> if not onlyparse then warn_notation_bound_to_variable (); true | _ -> - if not onlyparse && noninjective then + if not onlyparse && nonreversible then (warn_non_reversible_notation (); true) else onlyparse @@ -1102,7 +1102,10 @@ let contract_notation ntn = let rec aux ntn i = if i <= String.length ntn - 5 then let ntn' = - if String.is_sub "{ _ }" ntn i then + if String.is_sub "{ _ }" ntn i && + (i = 0 || ntn.[i-1] = ' ') && + (i = String.length ntn - 5 || ntn.[i+5] = ' ') + then String.sub ntn 0 i ^ "_" ^ String.sub ntn (i+5) (String.length ntn -i-5) else ntn in @@ -1191,12 +1194,11 @@ let add_notation_in_scope local df c mods scope = let nenv = { ninterp_var_type = to_map i_vars; ninterp_rec_vars = to_map recvars; - ninterp_only_parse = false; } in - let (acvars, ac) = interp_notation_constr nenv c in + let (acvars, ac, reversible) = interp_notation_constr nenv c in let interp = make_interpretation_vars recvars acvars in let map (x, _) = try Some (x, Id.Map.find x interp) with Not_found -> None in - let onlyparse = is_not_printable onlyparse nenv.ninterp_only_parse ac in + let onlyparse = is_not_printable onlyparse (not reversible) ac in let notation = { notobj_local = local; notobj_scope = scope; @@ -1231,12 +1233,11 @@ let add_notation_interpretation_core local df ?(impls=empty_internalization_env) let nenv = { ninterp_var_type = to_map i_vars; ninterp_rec_vars = to_map recvars; - ninterp_only_parse = false; } in - let (acvars, ac) = interp_notation_constr ~impls nenv c in + let (acvars, ac, reversible) = interp_notation_constr ~impls nenv c in let interp = make_interpretation_vars recvars acvars in let map (x, _) = try Some (x, Id.Map.find x interp) with Not_found -> None in - let onlyparse = is_not_printable onlyparse nenv.ninterp_only_parse ac in + let onlyparse = is_not_printable onlyparse (not reversible) ac in let notation = { notobj_local = local; notobj_scope = scope; @@ -1373,10 +1374,9 @@ let add_syntactic_definition ident (vars,c) local onlyparse = let nenv = { ninterp_var_type = i_vars; ninterp_rec_vars = Id.Map.empty; - ninterp_only_parse = false; } in - let nvars, pat = interp_notation_constr nenv c in - let () = nonprintable := nenv.ninterp_only_parse in + let nvars, pat, reversible = interp_notation_constr nenv c in + let () = nonprintable := not reversible in let map id = let (_,sc,_) = Id.Map.find id nvars in (id, sc) in List.map map vars, pat in |