--- a/src/HOL/Spec_Check/property.ML Fri Aug 23 16:51:53 2013 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,77 +0,0 @@
-(* Title: HOL/Spec_Check/property.ML
- Author: Lukas Bulwahn and Nicolai Schaffroth, TU Muenchen
- Author: Christopher League
-
-Conditional properties that can track argument distribution.
-*)
-
-signature PROPERTY =
-sig
-
-type 'a pred = 'a -> bool
-type 'a prop
-val pred : 'a pred -> 'a prop
-val pred2 : ('a * 'b) pred -> 'b -> 'a prop
-val implies : 'a pred * 'a prop -> 'a prop
-val ==> : 'a pred * 'a pred -> 'a prop
-val trivial : 'a pred -> 'a prop -> 'a prop
-val classify : 'a pred -> string -> 'a prop -> 'a prop
-val classify' : ('a -> string option) -> 'a prop -> 'a prop
-
-(*Results*)
-type result = bool option
-type stats = { tags : (string * int) list, count : int }
-val test : 'a prop -> 'a * stats -> result * stats
-val stats : stats
-val success : result pred
-val failure : result pred
-
-end
-
-structure Property : PROPERTY =
-struct
-
-type result = bool option
-type stats = { tags : (string * int) list, count : int }
-type 'a pred = 'a -> bool
-type 'a prop = 'a * stats -> result * stats
-
-fun success (SOME true) = true
- | success _ = false
-
-fun failure (SOME false) = true
- | failure _ = false
-
-fun apply f x = (case try f x of NONE => SOME false | some => some)
-fun pred f (x,s) = (apply f x, s)
-fun pred2 f z = pred (fn x => f (x, z))
-
-fun implies (cond, p) (x,s) = if cond x then p (x, s) else (NONE, s)
-
-fun ==> (p1, p2) = implies (p1, pred p2)
-
-fun wrap trans p (x,s) =
- let val (result,s) = p (x,s)
- in (result, trans (x, result, s)) end
-
-fun classify' f =
- wrap (fn (x, result, {tags, count}) =>
- { tags =
- if is_some result then
- (case f x of
- NONE => tags
- | SOME tag => AList.map_default (op =) (tag, 0) (fn c => c + 1) tags)
- else tags,
- count = count })
-
-fun classify p tag = classify' (fn x => if p x then SOME tag else NONE)
-
-fun trivial cond = classify cond "trivial"
-
-fun test p =
- wrap (fn (_, result, {tags, count}) =>
- { tags = tags, count = if is_some result then count + 1 else count }) p
-
-val stats = { tags = [], count = 0 }
-
-end