author | traytel |
Thu, 12 Sep 2013 16:58:22 +0200 | |
changeset 53567 | 7f84e5e7a49b |
parent 53411 | ab4edf89992f |
child 53654 | 8b9ea4420f81 |
permissions | -rw-r--r-- |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
1 |
(* Title: HOL/BNF/Tools/bnf_fp_rec_sugar.ML |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
2 |
Author: Lorenz Panny, TU Muenchen |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
3 |
Copyright 2013 |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
4 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
5 |
Recursor and corecursor sugar. |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
6 |
*) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
7 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
8 |
signature BNF_FP_REC_SUGAR = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
9 |
sig |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
10 |
val add_primrec_cmd: (binding * string option * mixfix) list -> |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
11 |
(Attrib.binding * string) list -> local_theory -> local_theory; |
53310 | 12 |
val add_primcorec_cmd: bool -> |
13 |
(binding * string option * mixfix) list * (Attrib.binding * string) list -> Proof.context -> |
|
14 |
Proof.state |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
15 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
16 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
17 |
structure BNF_FP_Rec_Sugar : BNF_FP_REC_SUGAR = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
18 |
struct |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
19 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
20 |
open BNF_Util |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
21 |
open BNF_FP_Util |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
22 |
open BNF_FP_Rec_Sugar_Util |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
23 |
open BNF_FP_Rec_Sugar_Tactics |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
24 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
25 |
exception Primrec_Error of string * term list; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
26 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
27 |
fun primrec_error str = raise Primrec_Error (str, []); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
28 |
fun primrec_error_eqn str eqn = raise Primrec_Error (str, [eqn]); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
29 |
fun primrec_error_eqns str eqns = raise Primrec_Error (str, eqns); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
30 |
|
53358 | 31 |
fun finds eq = fold_map (fn x => List.partition (curry eq x) #>> pair x); |
32 |
||
53357 | 33 |
val free_name = try (fn Free (v, _) => v); |
34 |
val const_name = try (fn Const (v, _) => v); |
|
53358 | 35 |
val undef_const = Const (@{const_name undefined}, dummyT); |
53357 | 36 |
|
53358 | 37 |
fun permute_args n t = list_comb (t, map Bound (0 :: (n downto 1))) |
38 |
|> fold (K (fn u => Abs (Name.uu, dummyT, u))) (0 upto n); |
|
53401 | 39 |
val abs_tuple = HOLogic.tupled_lambda o HOLogic.mk_tuple; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
40 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
41 |
val simp_attrs = @{attributes [simp]}; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
42 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
43 |
|
53310 | 44 |
|
45 |
(* Primrec *) |
|
46 |
||
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
47 |
type eqn_data = { |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
48 |
fun_name: string, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
49 |
rec_type: typ, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
50 |
ctr: term, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
51 |
ctr_args: term list, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
52 |
left_args: term list, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
53 |
right_args: term list, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
54 |
res_type: typ, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
55 |
rhs_term: term, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
56 |
user_eqn: term |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
57 |
}; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
58 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
59 |
fun dissect_eqn lthy fun_names eqn' = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
60 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
61 |
val eqn = subst_bounds (strip_qnt_vars @{const_name all} eqn' |> map Free |> rev, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
62 |
strip_qnt_body @{const_name all} eqn') |> HOLogic.dest_Trueprop |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
63 |
handle TERM _ => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
64 |
primrec_error_eqn "malformed function equation (expected \"lhs = rhs\")" eqn'; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
65 |
val (lhs, rhs) = HOLogic.dest_eq eqn |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
66 |
handle TERM _ => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
67 |
primrec_error_eqn "malformed function equation (expected \"lhs = rhs\")" eqn'; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
68 |
val (fun_name, args) = strip_comb lhs |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
69 |
|>> (fn x => if is_Free x then fst (dest_Free x) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
70 |
else primrec_error_eqn "malformed function equation (does not start with free)" eqn); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
71 |
val (left_args, rest) = take_prefix is_Free args; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
72 |
val (nonfrees, right_args) = take_suffix is_Free rest; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
73 |
val _ = length nonfrees = 1 orelse if length nonfrees = 0 then |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
74 |
primrec_error_eqn "constructor pattern missing in left-hand side" eqn else |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
75 |
primrec_error_eqn "more than one non-variable argument in left-hand side" eqn; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
76 |
val _ = member (op =) fun_names fun_name orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
77 |
primrec_error_eqn "malformed function equation (does not start with function name)" eqn |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
78 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
79 |
val (ctr, ctr_args) = strip_comb (the_single nonfrees); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
80 |
val _ = try (num_binder_types o fastype_of) ctr = SOME (length ctr_args) orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
81 |
primrec_error_eqn "partially applied constructor in pattern" eqn; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
82 |
val _ = let val d = duplicates (op =) (left_args @ ctr_args @ right_args) in null d orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
83 |
primrec_error_eqn ("duplicate variable \"" ^ Syntax.string_of_term lthy (hd d) ^ |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
84 |
"\" in left-hand side") eqn end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
85 |
val _ = forall is_Free ctr_args orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
86 |
primrec_error_eqn "non-primitive pattern in left-hand side" eqn; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
87 |
val _ = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
88 |
let val b = fold_aterms (fn x as Free (v, _) => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
89 |
if (not (member (op =) (left_args @ ctr_args @ right_args) x) andalso |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
90 |
not (member (op =) fun_names v) andalso |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
91 |
not (Variable.is_fixed lthy v)) then cons x else I | _ => I) rhs [] |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
92 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
93 |
null b orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
94 |
primrec_error_eqn ("extra variable(s) in right-hand side: " ^ |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
95 |
commas (map (Syntax.string_of_term lthy) b)) eqn |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
96 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
97 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
98 |
{fun_name = fun_name, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
99 |
rec_type = body_type (type_of ctr), |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
100 |
ctr = ctr, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
101 |
ctr_args = ctr_args, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
102 |
left_args = left_args, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
103 |
right_args = right_args, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
104 |
res_type = map fastype_of (left_args @ right_args) ---> fastype_of rhs, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
105 |
rhs_term = rhs, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
106 |
user_eqn = eqn'} |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
107 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
108 |
|
53401 | 109 |
fun rewrite_map_arg get_ctr_pos rec_type res_type = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
110 |
let |
53357 | 111 |
val pT = HOLogic.mk_prodT (rec_type, res_type); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
112 |
|
53357 | 113 |
val maybe_suc = Option.map (fn x => x + 1); |
114 |
fun subst d (t as Bound d') = t |> d = SOME d' ? curry (op $) (fst_const pT) |
|
115 |
| subst d (Abs (v, T, b)) = Abs (v, if d = SOME ~1 then pT else T, subst (maybe_suc d) b) |
|
116 |
| subst d t = |
|
53358 | 117 |
let |
118 |
val (u, vs) = strip_comb t; |
|
53401 | 119 |
val ctr_pos = try (get_ctr_pos o the) (free_name u) |> the_default ~1; |
53358 | 120 |
in |
53401 | 121 |
if ctr_pos >= 0 then |
53357 | 122 |
if d = SOME ~1 andalso length vs = ctr_pos then |
123 |
list_comb (permute_args ctr_pos (snd_const pT), vs) |
|
124 |
else if length vs > ctr_pos andalso is_some d |
|
125 |
andalso d = try (fn Bound n => n) (nth vs ctr_pos) then |
|
126 |
list_comb (snd_const pT $ nth vs ctr_pos, map (subst d) (nth_drop ctr_pos vs)) |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
127 |
else |
53357 | 128 |
primrec_error_eqn ("recursive call not directly applied to constructor argument") t |
129 |
else if d = SOME ~1 andalso const_name u = SOME @{const_name comp} then |
|
130 |
list_comb (map_types (K dummyT) u, map2 subst [NONE, d] vs) |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
131 |
else |
53357 | 132 |
list_comb (u, map (subst (d |> d = SOME ~1 ? K NONE)) vs) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
133 |
end |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
134 |
in |
53357 | 135 |
subst (SOME ~1) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
136 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
137 |
|
53401 | 138 |
fun subst_rec_calls lthy get_ctr_pos has_call ctr_args direct_calls indirect_calls t = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
139 |
let |
53350 | 140 |
fun subst bound_Ts (Abs (v, T, b)) = Abs (v, T, subst (T :: bound_Ts) b) |
53358 | 141 |
| subst bound_Ts (t as g' $ y) = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
142 |
let |
53350 | 143 |
val maybe_direct_y' = AList.lookup (op =) direct_calls y; |
144 |
val maybe_indirect_y' = AList.lookup (op =) indirect_calls y; |
|
53358 | 145 |
val (g, g_args) = strip_comb g'; |
53401 | 146 |
val ctr_pos = try (get_ctr_pos o the) (free_name g) |> the_default ~1; |
147 |
val _ = ctr_pos < 0 orelse length g_args >= ctr_pos orelse |
|
53358 | 148 |
primrec_error_eqn "too few arguments in recursive call" t; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
149 |
in |
53358 | 150 |
if not (member (op =) ctr_args y) then |
151 |
pairself (subst bound_Ts) (g', y) |> (op $) |
|
53401 | 152 |
else if ctr_pos >= 0 then |
53358 | 153 |
list_comb (the maybe_direct_y', g_args) |
53350 | 154 |
else if is_some maybe_indirect_y' then |
53358 | 155 |
(if has_call g' then t else y) |
156 |
|> massage_indirect_rec_call lthy has_call |
|
53401 | 157 |
(rewrite_map_arg get_ctr_pos) bound_Ts y (the maybe_indirect_y') |
53358 | 158 |
|> (if has_call g' then I else curry (op $) g') |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
159 |
else |
53350 | 160 |
t |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
161 |
end |
53350 | 162 |
| subst _ t = t |
163 |
in |
|
164 |
subst [] t |
|
53358 | 165 |
|> tap (fn u => has_call u andalso (* FIXME detect this case earlier *) |
166 |
primrec_error_eqn "recursive call not directly applied to constructor argument" t) |
|
53350 | 167 |
end; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
168 |
|
53358 | 169 |
fun build_rec_arg lthy funs_data has_call ctr_spec maybe_eqn_data = |
170 |
if is_none maybe_eqn_data then undef_const else |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
171 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
172 |
val eqn_data = the maybe_eqn_data; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
173 |
val t = #rhs_term eqn_data; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
174 |
val ctr_args = #ctr_args eqn_data; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
175 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
176 |
val calls = #calls ctr_spec; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
177 |
val n_args = fold (curry (op +) o (fn Direct_Rec _ => 2 | _ => 1)) calls 0; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
178 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
179 |
val no_calls' = tag_list 0 calls |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
180 |
|> map_filter (try (apsnd (fn No_Rec n => n | Direct_Rec (n, _) => n))); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
181 |
val direct_calls' = tag_list 0 calls |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
182 |
|> map_filter (try (apsnd (fn Direct_Rec (_, n) => n))); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
183 |
val indirect_calls' = tag_list 0 calls |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
184 |
|> map_filter (try (apsnd (fn Indirect_Rec n => n))); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
185 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
186 |
fun make_direct_type T = dummyT; (* FIXME? *) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
187 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
188 |
val rec_res_type_list = map (fn (x :: _) => (#rec_type x, #res_type x)) funs_data; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
189 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
190 |
fun make_indirect_type (Type (Tname, Ts)) = Type (Tname, Ts |> map (fn T => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
191 |
let val maybe_res_type = AList.lookup (op =) rec_res_type_list T in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
192 |
if is_some maybe_res_type |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
193 |
then HOLogic.mk_prodT (T, the maybe_res_type) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
194 |
else make_indirect_type T end)) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
195 |
| make_indirect_type T = T; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
196 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
197 |
val args = replicate n_args ("", dummyT) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
198 |
|> Term.rename_wrt_term t |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
199 |
|> map Free |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
200 |
|> fold (fn (ctr_arg_idx, arg_idx) => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
201 |
nth_map arg_idx (K (nth ctr_args ctr_arg_idx))) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
202 |
no_calls' |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
203 |
|> fold (fn (ctr_arg_idx, arg_idx) => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
204 |
nth_map arg_idx (K (nth ctr_args ctr_arg_idx |> map_types make_direct_type))) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
205 |
direct_calls' |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
206 |
|> fold (fn (ctr_arg_idx, arg_idx) => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
207 |
nth_map arg_idx (K (nth ctr_args ctr_arg_idx |> map_types make_indirect_type))) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
208 |
indirect_calls'; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
209 |
|
53401 | 210 |
val fun_name_ctr_pos_list = |
211 |
map (fn (x :: _) => (#fun_name x, length (#left_args x))) funs_data; |
|
212 |
val get_ctr_pos = try (the o AList.lookup (op =) fun_name_ctr_pos_list) #> the_default ~1; |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
213 |
val direct_calls = map (apfst (nth ctr_args) o apsnd (nth args)) direct_calls'; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
214 |
val indirect_calls = map (apfst (nth ctr_args) o apsnd (nth args)) indirect_calls'; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
215 |
|
53401 | 216 |
val abstractions = args @ #left_args eqn_data @ #right_args eqn_data; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
217 |
in |
53350 | 218 |
t |
53401 | 219 |
|> subst_rec_calls lthy get_ctr_pos has_call ctr_args direct_calls indirect_calls |
220 |
|> fold_rev lambda abstractions |
|
53350 | 221 |
end; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
222 |
|
53358 | 223 |
fun build_defs lthy bs mxs funs_data rec_specs has_call = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
224 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
225 |
val n_funs = length funs_data; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
226 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
227 |
val ctr_spec_eqn_data_list' = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
228 |
(take n_funs rec_specs |> map #ctr_specs) ~~ funs_data |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
229 |
|> maps (uncurry (finds (fn (x, y) => #ctr x = #ctr y)) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
230 |
##> (fn x => null x orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
231 |
primrec_error_eqns "excess equations in definition" (map #rhs_term x)) #> fst); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
232 |
val _ = ctr_spec_eqn_data_list' |> map (fn (_, x) => length x <= 1 orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
233 |
primrec_error_eqns ("multiple equations for constructor") (map #user_eqn x)); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
234 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
235 |
val ctr_spec_eqn_data_list = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
236 |
ctr_spec_eqn_data_list' @ (drop n_funs rec_specs |> maps #ctr_specs |> map (rpair [])); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
237 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
238 |
val recs = take n_funs rec_specs |> map #recx; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
239 |
val rec_args = ctr_spec_eqn_data_list |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
240 |
|> sort ((op <) o pairself (#offset o fst) |> make_ord) |
53358 | 241 |
|> map (uncurry (build_rec_arg lthy funs_data has_call) o apsnd (try the_single)); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
242 |
val ctr_poss = map (fn x => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
243 |
if length (distinct ((op =) o pairself (length o #left_args)) x) <> 1 then |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
244 |
primrec_error ("inconstant constructor pattern position for function " ^ |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
245 |
quote (#fun_name (hd x))) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
246 |
else |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
247 |
hd x |> #left_args |> length) funs_data; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
248 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
249 |
(recs, ctr_poss) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
250 |
|-> map2 (fn recx => fn ctr_pos => list_comb (recx, rec_args) |> permute_args ctr_pos) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
251 |
|> Syntax.check_terms lthy |
53352 | 252 |
|> map3 (fn b => fn mx => fn t => ((b, mx), ((Binding.map_name Thm.def_name b, []), t))) bs mxs |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
253 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
254 |
|
53358 | 255 |
fun find_rec_calls has_call eqn_data = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
256 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
257 |
fun find (Abs (_, _, b)) ctr_arg = find b ctr_arg |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
258 |
| find (t as _ $ _) ctr_arg = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
259 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
260 |
val (f', args') = strip_comb t; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
261 |
val n = find_index (equal ctr_arg) args'; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
262 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
263 |
if n < 0 then |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
264 |
find f' ctr_arg @ maps (fn x => find x ctr_arg) args' |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
265 |
else |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
266 |
let val (f, args) = chop n args' |>> curry list_comb f' in |
53358 | 267 |
if has_call f then |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
268 |
f :: maps (fn x => find x ctr_arg) args |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
269 |
else |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
270 |
find f ctr_arg @ maps (fn x => find x ctr_arg) args |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
271 |
end |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
272 |
end |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
273 |
| find _ _ = []; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
274 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
275 |
map (find (#rhs_term eqn_data)) (#ctr_args eqn_data) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
276 |
|> (fn [] => NONE | callss => SOME (#ctr eqn_data, callss)) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
277 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
278 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
279 |
fun add_primrec fixes specs lthy = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
280 |
let |
53352 | 281 |
val (bs, mxs) = map_split (apfst fst) fixes; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
282 |
val fun_names = map Binding.name_of bs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
283 |
val eqns_data = map (snd #> dissect_eqn lthy fun_names) specs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
284 |
val funs_data = eqns_data |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
285 |
|> partition_eq ((op =) o pairself #fun_name) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
286 |
|> finds (fn (x, y) => x = #fun_name (hd y)) fun_names |> fst |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
287 |
|> map (fn (x, y) => the_single y handle List.Empty => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
288 |
primrec_error ("missing equations for function " ^ quote x)); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
289 |
|
53358 | 290 |
val has_call = exists_subterm (map (fst #>> Binding.name_of #> Free) fixes |> member (op =)); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
291 |
val arg_Ts = map (#rec_type o hd) funs_data; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
292 |
val res_Ts = map (#res_type o hd) funs_data; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
293 |
val callssss = funs_data |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
294 |
|> map (partition_eq ((op =) o pairself #ctr)) |
53358 | 295 |
|> map (maps (map_filter (find_rec_calls has_call))); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
296 |
|
53358 | 297 |
fun get_indices t = map (fst #>> Binding.name_of #> Free) fixes |
298 |
|> map_index (fn (i, v) => if exists_subterm (equal v) t then SOME i else NONE) |
|
299 |
|> map_filter I; |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
300 |
val ((nontriv, rec_specs, _, induct_thm, induct_thms), lthy') = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
301 |
rec_specs_of bs arg_Ts res_Ts get_indices callssss lthy; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
302 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
303 |
val actual_nn = length funs_data; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
304 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
305 |
val _ = let val ctrs = (maps (map #ctr o #ctr_specs) rec_specs) in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
306 |
map (fn {ctr, user_eqn, ...} => member (op =) ctrs ctr orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
307 |
primrec_error_eqn ("argument " ^ quote (Syntax.string_of_term lthy' ctr) ^ |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
308 |
" is not a constructor in left-hand side") user_eqn) eqns_data end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
309 |
|
53358 | 310 |
val defs = build_defs lthy' bs mxs funs_data rec_specs has_call; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
311 |
|
53329 | 312 |
fun prove def_thms' {ctr_specs, nested_map_idents, nested_map_comps, ...} induct_thm fun_data |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
313 |
lthy = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
314 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
315 |
val fun_name = #fun_name (hd fun_data); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
316 |
val def_thms = map (snd o snd) def_thms'; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
317 |
val simp_thms = finds (fn (x, y) => #ctr x = #ctr y) fun_data ctr_specs |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
318 |
|> fst |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
319 |
|> map_filter (try (fn (x, [y]) => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
320 |
(#user_eqn x, length (#left_args x) + length (#right_args x), #rec_thm y))) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
321 |
|> map (fn (user_eqn, num_extra_args, rec_thm) => |
53329 | 322 |
mk_primrec_tac lthy num_extra_args nested_map_idents nested_map_comps def_thms rec_thm |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
323 |
|> K |> Goal.prove lthy [] [] user_eqn) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
324 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
325 |
val notes = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
326 |
[(inductN, if actual_nn > 1 then [induct_thm] else [], []), |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
327 |
(simpsN, simp_thms, simp_attrs)] |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
328 |
|> filter_out (null o #2) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
329 |
|> map (fn (thmN, thms, attrs) => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
330 |
((Binding.qualify true fun_name (Binding.name thmN), attrs), [(thms, [])])); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
331 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
332 |
lthy |> Local_Theory.notes notes |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
333 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
334 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
335 |
val common_name = mk_common_name fun_names; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
336 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
337 |
val common_notes = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
338 |
[(inductN, if nontriv andalso actual_nn > 1 then [induct_thm] else [], [])] |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
339 |
|> filter_out (null o #2) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
340 |
|> map (fn (thmN, thms, attrs) => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
341 |
((Binding.qualify true common_name (Binding.name thmN), attrs), [(thms, [])])); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
342 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
343 |
lthy' |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
344 |
|> fold_map Local_Theory.define defs |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
345 |
|-> (fn def_thms' => fold_map3 (prove def_thms') (take actual_nn rec_specs) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
346 |
(take actual_nn induct_thms) funs_data) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
347 |
|> snd |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
348 |
|> Local_Theory.notes common_notes |> snd |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
349 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
350 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
351 |
fun add_primrec_cmd raw_fixes raw_specs lthy = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
352 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
353 |
val _ = let val d = duplicates (op =) (map (Binding.name_of o #1) raw_fixes) in null d orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
354 |
primrec_error ("duplicate function name(s): " ^ commas d) end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
355 |
val (fixes, specs) = fst (Specification.read_spec raw_fixes raw_specs lthy); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
356 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
357 |
add_primrec fixes specs lthy |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
358 |
handle ERROR str => primrec_error str |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
359 |
end |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
360 |
handle Primrec_Error (str, eqns) => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
361 |
if null eqns |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
362 |
then error ("primrec_new error:\n " ^ str) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
363 |
else error ("primrec_new error:\n " ^ str ^ "\nin\n " ^ |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
364 |
space_implode "\n " (map (quote o Syntax.string_of_term lthy) eqns)) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
365 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
366 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
367 |
|
53310 | 368 |
(* Primcorec *) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
369 |
|
53341 | 370 |
type co_eqn_data_disc = { |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
371 |
fun_name: string, |
53401 | 372 |
fun_args: term list, |
53341 | 373 |
ctr_no: int, (*###*) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
374 |
cond: term, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
375 |
user_eqn: term |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
376 |
}; |
53341 | 377 |
type co_eqn_data_sel = { |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
378 |
fun_name: string, |
53401 | 379 |
fun_args: term list, |
53341 | 380 |
ctr: term, |
381 |
sel: term, |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
382 |
rhs_term: term, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
383 |
user_eqn: term |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
384 |
}; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
385 |
datatype co_eqn_data = |
53341 | 386 |
Disc of co_eqn_data_disc | |
387 |
Sel of co_eqn_data_sel; |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
388 |
|
53401 | 389 |
fun co_dissect_eqn_disc sequential fun_name_corec_spec_list eqn' imp_lhs' imp_rhs matched_conds = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
390 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
391 |
fun find_subterm p = let (* FIXME \<exists>? *) |
53401 | 392 |
fun f (t as u $ v) = if p t then SOME t else merge_options (f u, f v) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
393 |
| f t = if p t then SOME t else NONE |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
394 |
in f end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
395 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
396 |
val fun_name = imp_rhs |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
397 |
|> perhaps (try HOLogic.dest_not) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
398 |
|> `(try (fst o dest_Free o head_of o snd o dest_comb)) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
399 |
||> (try (fst o dest_Free o head_of o fst o HOLogic.dest_eq)) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
400 |
|> the o merge_options; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
401 |
val corec_spec = the (AList.lookup (op =) fun_name_corec_spec_list fun_name) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
402 |
handle Option.Option => primrec_error_eqn "malformed discriminator equation" imp_rhs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
403 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
404 |
val discs = #ctr_specs corec_spec |> map #disc; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
405 |
val ctrs = #ctr_specs corec_spec |> map #ctr; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
406 |
val not_disc = head_of imp_rhs = @{term Not}; |
53401 | 407 |
val _ = not_disc andalso length ctrs <> 2 andalso |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
408 |
primrec_error_eqn "\<not>ed discriminator for a type with \<noteq> 2 constructors" imp_rhs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
409 |
val disc = find_subterm (member (op =) discs o head_of) imp_rhs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
410 |
val eq_ctr0 = imp_rhs |> perhaps (try (HOLogic.dest_not)) |> try (HOLogic.dest_eq #> snd) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
411 |
|> (fn SOME t => let val n = find_index (equal t) ctrs in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
412 |
if n >= 0 then SOME n else NONE end | _ => NONE); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
413 |
val _ = is_some disc orelse is_some eq_ctr0 orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
414 |
primrec_error_eqn "no discriminator in equation" imp_rhs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
415 |
val ctr_no' = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
416 |
if is_none disc then the eq_ctr0 else find_index (equal (head_of (the disc))) discs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
417 |
val ctr_no = if not_disc then 1 - ctr_no' else ctr_no'; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
418 |
val fun_args = if is_none disc |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
419 |
then imp_rhs |> perhaps (try HOLogic.dest_not) |> HOLogic.dest_eq |> fst |> strip_comb |> snd |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
420 |
else the disc |> the_single o snd o strip_comb |
53357 | 421 |
|> (fn t => if free_name (head_of t) = SOME fun_name |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
422 |
then snd (strip_comb t) else []); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
423 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
424 |
val mk_conjs = try (foldr1 HOLogic.mk_conj) #> the_default @{const True}; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
425 |
val mk_disjs = try (foldr1 HOLogic.mk_disj) #> the_default @{const False}; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
426 |
val catch_all = try (fst o dest_Free o the_single) imp_lhs' = SOME Name.uu_; |
53401 | 427 |
val matched_cond = filter (equal fun_name o fst) matched_conds |> map snd |> mk_disjs; |
428 |
val imp_lhs = mk_conjs imp_lhs' |
|
429 |
|> incr_boundvars (length fun_args) |
|
430 |
|> subst_atomic (fun_args ~~ map Bound (length fun_args - 1 downto 0)) |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
431 |
val cond = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
432 |
if catch_all then |
53401 | 433 |
matched_cond |> HOLogic.mk_not |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
434 |
else if sequential then |
53401 | 435 |
HOLogic.mk_conj (HOLogic.mk_not matched_cond, imp_lhs) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
436 |
else |
53401 | 437 |
imp_lhs; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
438 |
|
53401 | 439 |
val matched_conds' = |
440 |
(fun_name, if catch_all orelse not sequential then cond else imp_lhs) :: matched_conds; |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
441 |
in |
53341 | 442 |
(Disc { |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
443 |
fun_name = fun_name, |
53401 | 444 |
fun_args = fun_args, |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
445 |
ctr_no = ctr_no, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
446 |
cond = cond, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
447 |
user_eqn = eqn' |
53401 | 448 |
}, matched_conds') |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
449 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
450 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
451 |
fun co_dissect_eqn_sel fun_name_corec_spec_list eqn' eqn = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
452 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
453 |
val (lhs, rhs) = HOLogic.dest_eq eqn |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
454 |
handle TERM _ => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
455 |
primrec_error_eqn "malformed function equation (expected \"lhs = rhs\")" eqn; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
456 |
val sel = head_of lhs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
457 |
val (fun_name, fun_args) = dest_comb lhs |> snd |> strip_comb |> apfst (fst o dest_Free) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
458 |
handle TERM _ => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
459 |
primrec_error_eqn "malformed selector argument in left-hand side" eqn; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
460 |
val corec_spec = the (AList.lookup (op =) fun_name_corec_spec_list fun_name) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
461 |
handle Option.Option => primrec_error_eqn "malformed selector argument in left-hand side" eqn; |
53341 | 462 |
val (ctr_spec, sel) = #ctr_specs corec_spec |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
463 |
|> the o get_index (try (the o find_first (equal sel) o #sels)) |
53341 | 464 |
|>> nth (#ctr_specs corec_spec); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
465 |
in |
53341 | 466 |
Sel { |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
467 |
fun_name = fun_name, |
53401 | 468 |
fun_args = fun_args, |
53341 | 469 |
ctr = #ctr ctr_spec, |
470 |
sel = sel, |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
471 |
rhs_term = rhs, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
472 |
user_eqn = eqn' |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
473 |
} |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
474 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
475 |
|
53401 | 476 |
fun co_dissect_eqn_ctr sequential fun_name_corec_spec_list eqn' imp_lhs' imp_rhs matched_conds = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
477 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
478 |
val (lhs, rhs) = HOLogic.dest_eq imp_rhs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
479 |
val fun_name = head_of lhs |> fst o dest_Free; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
480 |
val corec_spec = the (AList.lookup (op =) fun_name_corec_spec_list fun_name); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
481 |
val (ctr, ctr_args) = strip_comb rhs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
482 |
val ctr_spec = the (find_first (equal ctr o #ctr) (#ctr_specs corec_spec)) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
483 |
handle Option.Option => primrec_error_eqn "not a constructor" ctr; |
53341 | 484 |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
485 |
val disc_imp_rhs = betapply (#disc ctr_spec, lhs); |
53401 | 486 |
val (maybe_eqn_data_disc, matched_conds') = if length (#ctr_specs corec_spec) = 1 |
487 |
then (NONE, matched_conds) |
|
53341 | 488 |
else apfst SOME (co_dissect_eqn_disc |
53401 | 489 |
sequential fun_name_corec_spec_list eqn' imp_lhs' disc_imp_rhs matched_conds); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
490 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
491 |
val sel_imp_rhss = (#sels ctr_spec ~~ ctr_args) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
492 |
|> map (fn (sel, ctr_arg) => HOLogic.mk_eq (betapply (sel, lhs), ctr_arg)); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
493 |
|
53360 | 494 |
val _ = tracing ("reduced\n " ^ Syntax.string_of_term @{context} imp_rhs ^ "\nto\n \<cdot> " ^ |
53341 | 495 |
(is_some maybe_eqn_data_disc ? K (Syntax.string_of_term @{context} disc_imp_rhs ^ "\n \<cdot> ")) "" ^ |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
496 |
space_implode "\n \<cdot> " (map (Syntax.string_of_term @{context}) sel_imp_rhss)); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
497 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
498 |
val eqns_data_sel = |
53341 | 499 |
map (co_dissect_eqn_sel fun_name_corec_spec_list eqn') sel_imp_rhss; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
500 |
in |
53401 | 501 |
(map_filter I [maybe_eqn_data_disc] @ eqns_data_sel, matched_conds') |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
502 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
503 |
|
53401 | 504 |
fun co_dissect_eqn sequential fun_name_corec_spec_list eqn' matched_conds = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
505 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
506 |
val eqn = subst_bounds (strip_qnt_vars @{const_name all} eqn' |> map Free |> rev, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
507 |
strip_qnt_body @{const_name all} eqn') |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
508 |
handle TERM _ => primrec_error_eqn "malformed function equation" eqn'; |
53341 | 509 |
val (imp_lhs', imp_rhs) = Logic.strip_horn eqn |
510 |
|> apfst (map HOLogic.dest_Trueprop) o apsnd HOLogic.dest_Trueprop; |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
511 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
512 |
val head = imp_rhs |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
513 |
|> perhaps (try HOLogic.dest_not) |> perhaps (try (fst o HOLogic.dest_eq)) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
514 |
|> head_of; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
515 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
516 |
val maybe_rhs = imp_rhs |> perhaps (try (HOLogic.dest_not)) |> try (snd o HOLogic.dest_eq); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
517 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
518 |
val fun_names = map fst fun_name_corec_spec_list; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
519 |
val discs = maps (#ctr_specs o snd) fun_name_corec_spec_list |> map #disc; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
520 |
val sels = maps (#ctr_specs o snd) fun_name_corec_spec_list |> maps #sels; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
521 |
val ctrs = maps (#ctr_specs o snd) fun_name_corec_spec_list |> map #ctr; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
522 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
523 |
if member (op =) discs head orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
524 |
is_some maybe_rhs andalso |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
525 |
member (op =) (filter (null o binder_types o fastype_of) ctrs) (the maybe_rhs) then |
53401 | 526 |
co_dissect_eqn_disc sequential fun_name_corec_spec_list eqn' imp_lhs' imp_rhs matched_conds |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
527 |
|>> single |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
528 |
else if member (op =) sels head then |
53401 | 529 |
([co_dissect_eqn_sel fun_name_corec_spec_list eqn' imp_rhs], matched_conds) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
530 |
else if is_Free head andalso member (op =) fun_names (fst (dest_Free head)) then |
53401 | 531 |
co_dissect_eqn_ctr sequential fun_name_corec_spec_list eqn' imp_lhs' imp_rhs matched_conds |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
532 |
else |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
533 |
primrec_error_eqn "malformed function equation" eqn |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
534 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
535 |
|
53341 | 536 |
fun build_corec_args_discs disc_eqns ctr_specs = |
53401 | 537 |
if null disc_eqns then I else |
538 |
let |
|
53411 | 539 |
(*val _ = tracing ("d/p:\<cdot> " ^ space_implode "\n \<cdot> " (map ((op ^) o |
540 |
apfst (Syntax.string_of_term @{context}) o apsnd (curry (op ^) " / " o @{make_string})) |
|
541 |
(ctr_specs |> map_filter (fn {disc, pred = SOME pred, ...} => SOME (disc, pred) | _ => NONE))));*) |
|
53401 | 542 |
val conds = map #cond disc_eqns; |
543 |
val fun_args = #fun_args (hd disc_eqns); |
|
544 |
val args = |
|
545 |
if length ctr_specs = 1 then [] |
|
546 |
else if length disc_eqns = length ctr_specs then |
|
547 |
fst (split_last conds) |
|
548 |
else if length disc_eqns = length ctr_specs - 1 then |
|
549 |
let val n = 0 upto length ctr_specs - 1 |
|
53411 | 550 |
|> the(*###*) o find_first (fn idx => not (exists (equal idx o #ctr_no) disc_eqns)) in |
53401 | 551 |
if n = length ctr_specs - 1 then |
552 |
conds |
|
553 |
else |
|
554 |
split_last conds |
|
555 |
||> HOLogic.mk_not |
|
53411 | 556 |
|> `(uncurry (fold (curry HOLogic.mk_conj o HOLogic.mk_not))) |
557 |
||> chop n o fst |
|
558 |
|> (fn (x, (l, r)) => l @ (x :: r)) |
|
53401 | 559 |
end |
560 |
else |
|
561 |
0 upto length ctr_specs - 1 |
|
562 |
|> map (fn idx => find_first (equal idx o #ctr_no) disc_eqns |
|
563 |
|> Option.map #cond |
|
564 |
|> the_default undef_const) |
|
565 |
|> fst o split_last; |
|
566 |
in |
|
567 |
(* FIXME deal with #preds above *) |
|
568 |
(map_filter #pred ctr_specs, args) |
|
569 |
|-> fold2 (fn idx => fn t => nth_map idx |
|
570 |
(K (subst_bounds (List.rev fun_args, t) |
|
571 |
|> HOLogic.tupled_lambda (HOLogic.mk_tuple fun_args)))) |
|
572 |
end; |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
573 |
|
53360 | 574 |
fun build_corec_arg_no_call sel_eqns sel = find_first (equal sel o #sel) sel_eqns |
53401 | 575 |
|> try (fn SOME sel_eqn => (#fun_args sel_eqn, #rhs_term sel_eqn)) |
53360 | 576 |
|> the_default ([], undef_const) |
53411 | 577 |
|-> abs_tuple |
578 |
|> K; |
|
53360 | 579 |
|
580 |
fun build_corec_arg_direct_call lthy has_call sel_eqns sel = |
|
581 |
let |
|
53411 | 582 |
val maybe_sel_eqn = find_first (equal sel o #sel) sel_eqns; |
53401 | 583 |
fun rewrite is_end U T t = |
53360 | 584 |
if U = @{typ bool} then @{term True} |> has_call t ? K @{term False} (* stop? *) |
53401 | 585 |
else if is_end = has_call t then undef_const |
586 |
else if is_end then t (* end *) |
|
53360 | 587 |
else HOLogic.mk_tuple (snd (strip_comb t)); (* continue *) |
53401 | 588 |
fun massage rhs_term is_end t = massage_direct_corec_call |
589 |
lthy has_call (rewrite is_end) [] (range_type (fastype_of t)) rhs_term; |
|
53360 | 590 |
in |
53401 | 591 |
if is_none maybe_sel_eqn then K I else |
592 |
abs_tuple (#fun_args (the maybe_sel_eqn)) oo massage (#rhs_term (the maybe_sel_eqn)) |
|
53360 | 593 |
end; |
594 |
||
53411 | 595 |
fun build_corec_arg_indirect_call lthy has_call sel_eqns sel = |
596 |
let |
|
597 |
val maybe_sel_eqn = find_first (equal sel o #sel) sel_eqns; |
|
598 |
fun rewrite _ _ = |
|
599 |
let |
|
600 |
fun subst (Abs (v, T, b)) = Abs (v, T, subst b) |
|
601 |
| subst (t as _ $ _) = |
|
602 |
let val (u, vs) = strip_comb t in |
|
603 |
if is_Free u andalso has_call u then |
|
604 |
Const (@{const_name Inr}, dummyT) $ (*HOLogic.mk_tuple vs*) |
|
605 |
(try (foldr1 (fn (x, y) => Const (@{const_name Pair}, dummyT) $ x $ y)) vs |
|
606 |
|> the_default (hd vs)) |
|
607 |
else if try (fst o dest_Const) u = SOME @{const_name prod_case} then |
|
608 |
list_comb (u |> map_types (K dummyT), map subst vs) |
|
609 |
else |
|
610 |
list_comb (subst u, map subst vs) |
|
611 |
end |
|
612 |
| subst t = t; |
|
613 |
in |
|
614 |
subst |
|
615 |
end; |
|
616 |
fun massage rhs_term t = massage_indirect_corec_call |
|
617 |
lthy has_call rewrite [] (fastype_of t |> range_type) rhs_term; |
|
618 |
in |
|
619 |
if is_none maybe_sel_eqn then I else |
|
620 |
abs_tuple (#fun_args (the maybe_sel_eqn)) o massage (#rhs_term (the maybe_sel_eqn)) |
|
621 |
end; |
|
53360 | 622 |
|
623 |
fun build_corec_args_sel lthy has_call all_sel_eqns ctr_spec = |
|
53341 | 624 |
let val sel_eqns = filter (equal (#ctr ctr_spec) o #ctr) all_sel_eqns in |
625 |
if null sel_eqns then I else |
|
626 |
let |
|
627 |
val sel_call_list = #sels ctr_spec ~~ #calls ctr_spec; |
|
628 |
||
53411 | 629 |
(*val _ = tracing ("s/c:\<cdot> " ^ space_implode "\n \<cdot> " (map ((op ^) o |
630 |
apfst (Syntax.string_of_term lthy) o apsnd (curry (op ^) " / " o @{make_string})) |
|
631 |
sel_call_list));*) |
|
53341 | 632 |
|
633 |
val no_calls' = map_filter (try (apsnd (fn No_Corec n => n))) sel_call_list; |
|
634 |
val direct_calls' = map_filter (try (apsnd (fn Direct_Corec n => n))) sel_call_list; |
|
635 |
val indirect_calls' = map_filter (try (apsnd (fn Indirect_Corec n => n))) sel_call_list; |
|
636 |
in |
|
53360 | 637 |
I |
638 |
#> fold (fn (sel, n) => nth_map n |
|
53411 | 639 |
(build_corec_arg_no_call sel_eqns sel)) no_calls' |
53360 | 640 |
#> fold (fn (sel, (q, g, h)) => |
641 |
let val f = build_corec_arg_direct_call lthy has_call sel_eqns sel in |
|
53401 | 642 |
nth_map h (f false) o nth_map g (f true) o nth_map q (f true) end) direct_calls' |
53360 | 643 |
#> fold (fn (sel, n) => nth_map n |
53411 | 644 |
(build_corec_arg_indirect_call lthy has_call sel_eqns sel)) indirect_calls' |
53341 | 645 |
end |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
646 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
647 |
|
53360 | 648 |
fun co_build_defs lthy sequential bs mxs has_call arg_Tss fun_name_corec_spec_list eqns_data = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
649 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
650 |
val fun_names = map Binding.name_of bs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
651 |
|
53341 | 652 |
val disc_eqnss = map_filter (try (fn Disc x => x)) eqns_data |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
653 |
|> partition_eq ((op =) o pairself #fun_name) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
654 |
|> finds (fn (x, ({fun_name, ...} :: _)) => x = fun_name) fun_names |> fst |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
655 |
|> map (sort ((op <) o pairself #ctr_no |> make_ord) o flat o snd); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
656 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
657 |
val _ = disc_eqnss |> map (fn x => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
658 |
let val d = duplicates ((op =) o pairself #ctr_no) x in null d orelse |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
659 |
primrec_error_eqns "excess discriminator equations in definition" |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
660 |
(maps (fn t => filter (equal (#ctr_no t) o #ctr_no) x) d |> map #user_eqn) end); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
661 |
|
53360 | 662 |
(*val _ = tracing ("disc_eqnss:\n \<cdot> " ^ space_implode "\n \<cdot> " (map @{make_string} disc_eqnss));*) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
663 |
|
53341 | 664 |
val sel_eqnss = map_filter (try (fn Sel x => x)) eqns_data |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
665 |
|> partition_eq ((op =) o pairself #fun_name) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
666 |
|> finds (fn (x, ({fun_name, ...} :: _)) => x = fun_name) fun_names |> fst |
53341 | 667 |
|> map (flat o snd); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
668 |
|
53360 | 669 |
(*val _ = tracing ("sel_eqnss:\n \<cdot> " ^ space_implode "\n \<cdot> " (map @{make_string} sel_eqnss));*) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
670 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
671 |
val corecs = map (#corec o snd) fun_name_corec_spec_list; |
53341 | 672 |
val ctr_specss = map (#ctr_specs o snd) fun_name_corec_spec_list; |
53360 | 673 |
val corec_args = hd corecs |
674 |
|> fst o split_last o binder_types o fastype_of |
|
675 |
|> map (Const o pair @{const_name undefined}) |
|
53341 | 676 |
|> fold2 build_corec_args_discs disc_eqnss ctr_specss |
53360 | 677 |
|> fold2 (fold o build_corec_args_sel lthy has_call) sel_eqnss ctr_specss; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
678 |
|
53401 | 679 |
fun currys Ts t = if length Ts <= 1 then t else |
680 |
t $ foldr1 (fn (u, v) => HOLogic.pair_const dummyT dummyT $ u $ v) |
|
681 |
(length Ts - 1 downto 0 |> map Bound) |
|
682 |
|> fold_rev (fn T => fn u => Abs (Name.uu, T, u)) Ts; |
|
683 |
||
53360 | 684 |
val _ = tracing ("corecursor arguments:\n \<cdot> " ^ |
53411 | 685 |
space_implode "\n \<cdot> " (map (Syntax.string_of_term lthy) corec_args)); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
686 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
687 |
fun uneq_pairs_rev xs = xs (* FIXME \<exists>? *) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
688 |
|> these o try (split_last #> (fn (ys, y) => uneq_pairs_rev ys @ map (pair y) ys)); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
689 |
val proof_obligations = if sequential then [] else |
53411 | 690 |
disc_eqnss |
691 |
|> maps (uneq_pairs_rev o map (fn {fun_args, cond, ...} => (fun_args, cond))) |
|
53401 | 692 |
|> map (fn ((fun_args, x), (_, y)) => [x, HOLogic.mk_not y] |
693 |
|> map (HOLogic.mk_Trueprop o curry subst_bounds (List.rev fun_args)) |
|
694 |
|> curry list_comb @{const ==>}); |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
695 |
|
53401 | 696 |
val _ = tracing ("proof obligations:\n \<cdot> " ^ |
53411 | 697 |
space_implode "\n \<cdot> " (map (Syntax.string_of_term lthy) proof_obligations)); |
53401 | 698 |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
699 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
700 |
map (list_comb o rpair corec_args) corecs |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
701 |
|> map2 (fn Ts => fn t => if length Ts = 0 then t $ HOLogic.unit else t) arg_Tss |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
702 |
|> map2 currys arg_Tss |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
703 |
|> Syntax.check_terms lthy |
53352 | 704 |
|> map3 (fn b => fn mx => fn t => ((b, mx), ((Binding.map_name Thm.def_name b, []), t))) bs mxs |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
705 |
|> rpair proof_obligations |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
706 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
707 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
708 |
fun add_primcorec sequential fixes specs lthy = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
709 |
let |
53352 | 710 |
val (bs, mxs) = map_split (apfst fst) fixes; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
711 |
val (arg_Ts, res_Ts) = map (strip_type o snd o fst #>> HOLogic.mk_tupleT) fixes |> split_list; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
712 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
713 |
(* copied from primrec_new *) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
714 |
fun get_indices t = map (fst #>> Binding.name_of #> Free) fixes |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
715 |
|> map_index (fn (i, v) => if exists_subterm (equal v) t then SOME i else NONE) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
716 |
|> map_filter I; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
717 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
718 |
val callssss = []; (* FIXME *) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
719 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
720 |
val ((nontriv, corec_specs, _, coinduct_thm, strong_co_induct_thm, coinduct_thmss, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
721 |
strong_coinduct_thmss), lthy') = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
722 |
corec_specs_of bs arg_Ts res_Ts get_indices callssss lthy; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
723 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
724 |
val fun_names = map Binding.name_of bs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
725 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
726 |
val fun_name_corec_spec_list = (fun_names ~~ res_Ts, corec_specs) |
53360 | 727 |
|> uncurry (finds (fn ((_, T), {corec, ...}) => T = body_type (fastype_of corec))) |> fst |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
728 |
|> map (apfst fst #> apsnd the_single); (*###*) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
729 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
730 |
val (eqns_data, _) = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
731 |
fold_map (co_dissect_eqn sequential fun_name_corec_spec_list) (map snd specs) [] |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
732 |
|>> flat; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
733 |
|
53360 | 734 |
val has_call = exists_subterm (map (fst #>> Binding.name_of #> Free) fixes |> member (op =)); |
735 |
val arg_Tss = map (binder_types o snd o fst) fixes; |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
736 |
val (defs, proof_obligations) = |
53360 | 737 |
co_build_defs lthy' sequential bs mxs has_call arg_Tss fun_name_corec_spec_list eqns_data; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
738 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
739 |
lthy' |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
740 |
|> fold_map Local_Theory.define defs |> snd |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
741 |
|> Proof.theorem NONE (K I) [map (rpair []) proof_obligations] |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
742 |
|> Proof.refine (Method.primitive_text I) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
743 |
|> Seq.hd |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
744 |
end |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
745 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
746 |
fun add_primcorec_cmd seq (raw_fixes, raw_specs) lthy = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
747 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
748 |
val (fixes, specs) = fst (Specification.read_spec raw_fixes raw_specs lthy); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
749 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
750 |
add_primcorec seq fixes specs lthy |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
751 |
handle ERROR str => primrec_error str |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
752 |
end |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
753 |
handle Primrec_Error (str, eqns) => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
754 |
if null eqns |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
755 |
then error ("primcorec error:\n " ^ str) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
756 |
else error ("primcorec error:\n " ^ str ^ "\nin\n " ^ |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
757 |
space_implode "\n " (map (quote o Syntax.string_of_term lthy) eqns)) |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
758 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
759 |
end; |