--- a/src/Pure/term.ML Tue May 16 13:01:29 2006 +0200
+++ b/src/Pure/term.ML Tue May 16 13:01:30 2006 +0200
@@ -209,9 +209,6 @@
val adhoc_freeze_vars: term -> term * string list
val string_of_vname: indexname -> string
val string_of_vname': indexname -> string
- val str_of_sort: sort -> string
- val str_of_typ: typ -> string
- val str_of_term: term -> string
end;
structure Term: TERM =
@@ -1335,37 +1332,6 @@
fun string_of_vname' (x, ~1) = x
| string_of_vname' xi = string_of_vname xi;
-fun str_of_sort [] = "{}"
- | str_of_sort [c] = c
- | str_of_sort cs = (enclose "{" "}" o commas) cs
-
-fun str_of_typ (Type ("fun", [ty1, ty2])) =
- "(" ^ str_of_typ ty1 ^ " => " ^ str_of_typ ty2 ^ ")"
- | str_of_typ (Type ("dummy", [])) =
- "_"
- | str_of_typ (Type (tyco, _)) =
- tyco
- | str_of_typ (Type (tyco, tys)) =
- (enclose "(" ")" o space_implode " ") (tyco :: map str_of_typ tys)
- | str_of_typ (TFree (v, sort)) =
- v ^ "::" ^ str_of_sort sort
- | str_of_typ (TVar (vi, sort)) =
- string_of_vname vi ^ "::" ^ str_of_sort sort;
-
-val str_of_term =
- let
- fun typed (s, ty) = s ^ "::" ^ str_of_typ ty;
- fun bound vs i = case AList.lookup (op =) vs i
- of SOME v => enclose "[" "]" (string_of_int i ^ " ~> " ^ v)
- | NONE => (enclose "[" "]" o string_of_int) i
- fun str vs (Const (c, _)) = c
- | str vs (Free (v, ty)) = typed (v, ty)
- | str vs (Var (vi, ty)) = typed (string_of_vname vi, ty)
- | str vs (Bound i) = bound vs i
- | str vs (Abs (x, ty, t)) = "(%" ^ typed (x, ty) ^ ". " ^ str ((length vs, x)::vs) t ^ ")"
- | str vs (t1 $ t2) = "(" ^ str vs t1 ^ " " ^ str vs t2 ^ ")";
- in str [] end;
-
end;
structure BasicTerm: BASIC_TERM = Term;