| 1 | |
| 2 | (* ---------------------------------------------------------------------- *) |
| 3 | (* Types *) |
| 4 | (* ---------------------------------------------------------------------- *) |
| 5 | |
| 6 | type strict = STRICT | NONSTRICT |
| 7 | |
| 8 | type keep_binding = bool (* true = put in witness tree *) |
| 9 | |
| 10 | (* CTL parameterised on basic predicates and metavar's*) |
| 11 | type ('pred,'mvar,'anno) generic_ctl = |
| 12 | | False |
| 13 | | True |
| 14 | | Pred of 'pred |
| 15 | | Not of (('pred,'mvar,'anno) generic_ctl) |
| 16 | | Exists of keep_binding * 'mvar * (('pred,'mvar,'anno) generic_ctl) |
| 17 | | And of strict * (('pred,'mvar,'anno) generic_ctl) * |
| 18 | (('pred,'mvar,'anno) generic_ctl) |
| 19 | | AndAny of direction * strict * (('pred,'mvar,'anno) generic_ctl) * |
| 20 | (('pred,'mvar,'anno) generic_ctl) |
| 21 | | HackForStmt of direction * strict * (('pred,'mvar,'anno) generic_ctl) * |
| 22 | (('pred,'mvar,'anno) generic_ctl) |
| 23 | | Or of (('pred,'mvar,'anno) generic_ctl) * |
| 24 | (('pred,'mvar,'anno) generic_ctl) |
| 25 | | Implies of (('pred,'mvar,'anno) generic_ctl) * |
| 26 | (('pred,'mvar,'anno) generic_ctl) |
| 27 | | AF of direction * strict * (('pred,'mvar,'anno) generic_ctl) |
| 28 | | AX of direction * strict * (('pred,'mvar,'anno) generic_ctl) |
| 29 | | AG of direction * strict * (('pred,'mvar,'anno) generic_ctl) |
| 30 | | AW of direction * strict * |
| 31 | (* versions with exists v *) |
| 32 | (('pred,'mvar,'anno) generic_ctl) * (('pred,'mvar,'anno) generic_ctl) |
| 33 | | AU of direction * strict * |
| 34 | (* versions with exists v *) |
| 35 | (('pred,'mvar,'anno) generic_ctl) * (('pred,'mvar,'anno) generic_ctl) |
| 36 | | EF of direction * (('pred,'mvar,'anno) generic_ctl) |
| 37 | | EX of direction * (('pred,'mvar,'anno) generic_ctl) |
| 38 | | EG of direction * (('pred,'mvar,'anno) generic_ctl) |
| 39 | | EU of direction * (('pred,'mvar,'anno) generic_ctl) * |
| 40 | (('pred,'mvar,'anno) generic_ctl) |
| 41 | | Let of string * |
| 42 | (('pred,'mvar,'anno) generic_ctl) * |
| 43 | (('pred,'mvar,'anno) generic_ctl) |
| 44 | | LetR of direction * string * (* evals phi1 wrt reachable states *) |
| 45 | (('pred,'mvar,'anno) generic_ctl) * |
| 46 | (('pred,'mvar,'anno) generic_ctl) |
| 47 | | Ref of string |
| 48 | | SeqOr of (('pred,'mvar,'anno) generic_ctl) * |
| 49 | (('pred,'mvar,'anno) generic_ctl) |
| 50 | | Uncheck of (('pred,'mvar,'anno) generic_ctl) |
| 51 | | InnerAnd of (('pred,'mvar,'anno) generic_ctl) |
| 52 | | XX of (('pred,'mvar,'anno) generic_ctl) (* fake, used in asttoctl *) |
| 53 | |
| 54 | and direction = FORWARD (* the normal way *) | BACKWARD (* toward the start *) |
| 55 | |
| 56 | let unwrap (ctl,_) = ctl |
| 57 | let rewrap (_,model) ctl = (ctl,model) |
| 58 | let get_line (_,l) = l |
| 59 | |
| 60 | |
| 61 | (* NOTE: No explicit representation of the bottom subst., i.e., FALSE *) |
| 62 | type ('mvar,'value) generic_subst = |
| 63 | | Subst of 'mvar * 'value |
| 64 | | NegSubst of 'mvar * 'value |
| 65 | type ('mvar,'value) generic_substitution = ('mvar,'value) generic_subst list |
| 66 | |
| 67 | type ('state,'subst,'anno) generic_witnesstree = |
| 68 | Wit of |
| 69 | 'state * 'subst * 'anno * ('state,'subst,'anno) generic_witnesstree list |
| 70 | | NegWit of ('state,'subst,'anno) generic_witnesstree |
| 71 | |
| 72 | (* ---------------------------------------------------------------------- *) |
| 73 | |
| 74 | type 'a modif = Modif of 'a | UnModif of 'a | Control |
| 75 | |
| 76 | (* ---------------------------------------------------------------------- *) |