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34e49164 C |
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*) | |
ae4735db | 11 | type ('pred,'mvar,'anno) generic_ctl = |
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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) | |
ae4735db | 17 | | And of strict * (('pred,'mvar,'anno) generic_ctl) * |
34e49164 | 18 | (('pred,'mvar,'anno) generic_ctl) |
ae4735db | 19 | | AndAny of direction * strict * (('pred,'mvar,'anno) generic_ctl) * |
34e49164 | 20 | (('pred,'mvar,'anno) generic_ctl) |
ae4735db | 21 | | HackForStmt of direction * strict * (('pred,'mvar,'anno) generic_ctl) * |
34e49164 | 22 | (('pred,'mvar,'anno) generic_ctl) |
ae4735db | 23 | | Or of (('pred,'mvar,'anno) generic_ctl) * |
34e49164 | 24 | (('pred,'mvar,'anno) generic_ctl) |
ae4735db | 25 | | Implies of (('pred,'mvar,'anno) generic_ctl) * |
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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) | |
ae4735db | 39 | | EU of direction * (('pred,'mvar,'anno) generic_ctl) * |
34e49164 | 40 | (('pred,'mvar,'anno) generic_ctl) |
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41 | | Let of string * |
42 | (('pred,'mvar,'anno) generic_ctl) * | |
34e49164 C |
43 | (('pred,'mvar,'anno) generic_ctl) |
44 | | LetR of direction * string * (* evals phi1 wrt reachable states *) | |
ae4735db | 45 | (('pred,'mvar,'anno) generic_ctl) * |
34e49164 C |
46 | (('pred,'mvar,'anno) generic_ctl) |
47 | | Ref of string | |
ae4735db | 48 | | SeqOr of (('pred,'mvar,'anno) generic_ctl) * |
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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 *) | |
ae4735db | 62 | type ('mvar,'value) generic_subst = |
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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 | (* ---------------------------------------------------------------------- *) |