author | blanchet |
Mon, 04 Nov 2013 14:46:38 +0100 | |
changeset 54243 | a596292be9a8 |
parent 54239 | 9bd91d5d8a7b |
permissions | -rw-r--r-- |
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1 |
(* Title: HOL/BNF/Tools/bnf_fp_rec_sugar.ML |
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Author: Lorenz Panny, TU Muenchen |
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3 |
Copyright 2013 |
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Recursor and corecursor sugar. |
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*) |
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signature BNF_FP_REC_SUGAR = |
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sig |
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val add_primrec: (binding * typ option * mixfix) list -> |
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(Attrib.binding * term) list -> local_theory -> (term list * thm list list) * local_theory |
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val add_primrec_cmd: (binding * string option * mixfix) list -> |
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(Attrib.binding * string) list -> local_theory -> (term list * thm list list) * local_theory |
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val add_primrec_global: (binding * typ option * mixfix) list -> |
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(Attrib.binding * term) list -> theory -> (term list * thm list list) * theory |
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val add_primrec_overloaded: (string * (string * typ) * bool) list -> |
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(binding * typ option * mixfix) list -> |
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(Attrib.binding * term) list -> theory -> (term list * thm list list) * theory |
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val add_primrec_simple: ((binding * typ) * mixfix) list -> term list -> |
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local_theory -> (string list * (term list * (int list list * thm list list))) * local_theory |
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val add_primcorecursive_cmd: bool -> |
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(binding * string option * mixfix) list * ((Attrib.binding * string) * string option) list -> |
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Proof.context -> Proof.state |
53822 | 24 |
val add_primcorec_cmd: bool -> |
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(binding * string option * mixfix) list * ((Attrib.binding * string) * string option) list -> |
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local_theory -> local_theory |
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end; |
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|
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structure BNF_FP_Rec_Sugar : BNF_FP_REC_SUGAR = |
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struct |
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open BNF_Util |
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open BNF_FP_Util |
54243 | 34 |
open BNF_FP_N2M_Sugar |
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open BNF_FP_Rec_Sugar_Util |
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open BNF_FP_Rec_Sugar_Tactics |
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54065 | 38 |
val codeN = "code"; |
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val ctrN = "ctr"; |
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val discN = "disc"; |
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val selN = "sel"; |
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53791 | 42 |
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val nitpicksimp_attrs = @{attributes [nitpick_simp]}; |
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val simp_attrs = @{attributes [simp]}; |
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val code_nitpicksimp_attrs = Code.add_default_eqn_attrib :: nitpicksimp_attrs; |
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val code_nitpicksimp_simp_attrs = Code.add_default_eqn_attrib :: nitpicksimp_attrs @ simp_attrs; |
53794 | 47 |
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exception Primrec_Error of string * term list; |
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fun primrec_error str = raise Primrec_Error (str, []); |
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fun primrec_error_eqn str eqn = raise Primrec_Error (str, [eqn]); |
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fun primrec_error_eqns str eqns = raise Primrec_Error (str, eqns); |
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53358 | 54 |
fun finds eq = fold_map (fn x => List.partition (curry eq x) #>> pair x); |
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53357 | 56 |
val free_name = try (fn Free (v, _) => v); |
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val const_name = try (fn Const (v, _) => v); |
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53358 | 58 |
val undef_const = Const (@{const_name undefined}, dummyT); |
53357 | 59 |
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53358 | 60 |
fun permute_args n t = list_comb (t, map Bound (0 :: (n downto 1))) |
53720 | 61 |
|> fold (K (Term.abs (Name.uu, dummyT))) (0 upto n); |
53401 | 62 |
val abs_tuple = HOLogic.tupled_lambda o HOLogic.mk_tuple; |
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fun drop_All t = subst_bounds (strip_qnt_vars @{const_name all} t |> map Free |> rev, |
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strip_qnt_body @{const_name all} t) |
53720 | 65 |
fun abstract vs = |
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let fun a n (t $ u) = a n t $ a n u |
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| a n (Abs (v, T, b)) = Abs (v, T, a (n + 1) b) |
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| a n t = let val idx = find_index (equal t) vs in |
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if idx < 0 then t else Bound (n + idx) end |
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in a 0 end; |
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fun mk_prod1 Ts (t, u) = HOLogic.pair_const (fastype_of1 (Ts, t)) (fastype_of1 (Ts, u)) $ t $ u; |
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fun mk_tuple1 Ts = the_default HOLogic.unit o try (foldr1 (mk_prod1 Ts)); |
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53794 | 74 |
fun get_indices fixes t = map (fst #>> Binding.name_of #> Free) fixes |
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|> map_index (fn (i, v) => if exists_subterm (equal v) t then SOME i else NONE) |
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|> map_filter I; |
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53310 | 78 |
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(* Primrec *) |
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type eqn_data = { |
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fun_name: string, |
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rec_type: typ, |
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ctr: term, |
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ctr_args: term list, |
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left_args: term list, |
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right_args: term list, |
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res_type: typ, |
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rhs_term: term, |
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user_eqn: term |
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}; |
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fun dissect_eqn lthy fun_names eqn' = |
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let |
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val eqn = drop_All eqn' |> HOLogic.dest_Trueprop |
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handle TERM _ => |
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primrec_error_eqn "malformed function equation (expected \"lhs = rhs\")" eqn'; |
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val (lhs, rhs) = HOLogic.dest_eq eqn |
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handle TERM _ => |
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primrec_error_eqn "malformed function equation (expected \"lhs = rhs\")" eqn'; |
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val (fun_name, args) = strip_comb lhs |
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|>> (fn x => if is_Free x then fst (dest_Free x) |
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else primrec_error_eqn "malformed function equation (does not start with free)" eqn); |
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val (left_args, rest) = take_prefix is_Free args; |
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val (nonfrees, right_args) = take_suffix is_Free rest; |
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val num_nonfrees = length nonfrees; |
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val _ = num_nonfrees = 1 orelse if num_nonfrees = 0 then |
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primrec_error_eqn "constructor pattern missing in left-hand side" eqn else |
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primrec_error_eqn "more than one non-variable argument in left-hand side" eqn; |
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val _ = member (op =) fun_names fun_name orelse |
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primrec_error_eqn "malformed function equation (does not start with function name)" eqn |
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112 |
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113 |
val (ctr, ctr_args) = strip_comb (the_single nonfrees); |
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val _ = try (num_binder_types o fastype_of) ctr = SOME (length ctr_args) orelse |
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primrec_error_eqn "partially applied constructor in pattern" eqn; |
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val _ = let val d = duplicates (op =) (left_args @ ctr_args @ right_args) in null d orelse |
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primrec_error_eqn ("duplicate variable \"" ^ Syntax.string_of_term lthy (hd d) ^ |
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"\" in left-hand side") eqn end; |
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val _ = forall is_Free ctr_args orelse |
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120 |
primrec_error_eqn "non-primitive pattern in left-hand side" eqn; |
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121 |
val _ = |
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122 |
let val b = fold_aterms (fn x as Free (v, _) => |
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123 |
if (not (member (op =) (left_args @ ctr_args @ right_args) x) andalso |
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124 |
not (member (op =) fun_names v) andalso |
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125 |
not (Variable.is_fixed lthy v)) then cons x else I | _ => I) rhs [] |
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|
126 |
in |
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127 |
null b orelse |
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|
128 |
primrec_error_eqn ("extra variable(s) in right-hand side: " ^ |
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129 |
commas (map (Syntax.string_of_term lthy) b)) eqn |
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130 |
end; |
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|
131 |
in |
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132 |
{fun_name = fun_name, |
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|
133 |
rec_type = body_type (type_of ctr), |
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|
134 |
ctr = ctr, |
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|
135 |
ctr_args = ctr_args, |
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|
136 |
left_args = left_args, |
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|
137 |
right_args = right_args, |
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|
138 |
res_type = map fastype_of (left_args @ right_args) ---> fastype_of rhs, |
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|
139 |
rhs_term = rhs, |
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|
140 |
user_eqn = eqn'} |
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|
141 |
end; |
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|
142 |
|
53401 | 143 |
fun rewrite_map_arg get_ctr_pos rec_type res_type = |
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144 |
let |
53357 | 145 |
val pT = HOLogic.mk_prodT (rec_type, res_type); |
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146 |
|
53357 | 147 |
val maybe_suc = Option.map (fn x => x + 1); |
148 |
fun subst d (t as Bound d') = t |> d = SOME d' ? curry (op $) (fst_const pT) |
|
149 |
| subst d (Abs (v, T, b)) = Abs (v, if d = SOME ~1 then pT else T, subst (maybe_suc d) b) |
|
150 |
| subst d t = |
|
53358 | 151 |
let |
152 |
val (u, vs) = strip_comb t; |
|
53401 | 153 |
val ctr_pos = try (get_ctr_pos o the) (free_name u) |> the_default ~1; |
53358 | 154 |
in |
53401 | 155 |
if ctr_pos >= 0 then |
53357 | 156 |
if d = SOME ~1 andalso length vs = ctr_pos then |
157 |
list_comb (permute_args ctr_pos (snd_const pT), vs) |
|
158 |
else if length vs > ctr_pos andalso is_some d |
|
159 |
andalso d = try (fn Bound n => n) (nth vs ctr_pos) then |
|
160 |
list_comb (snd_const pT $ nth vs ctr_pos, map (subst d) (nth_drop ctr_pos vs)) |
|
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161 |
else |
53357 | 162 |
primrec_error_eqn ("recursive call not directly applied to constructor argument") t |
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163 |
else |
53357 | 164 |
list_comb (u, map (subst (d |> d = SOME ~1 ? K NONE)) vs) |
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165 |
end |
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|
166 |
in |
53357 | 167 |
subst (SOME ~1) |
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|
168 |
end; |
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|
169 |
|
54170
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|
170 |
fun subst_rec_calls lthy get_ctr_pos has_call ctr_args mutual_calls nested_calls = |
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171 |
let |
54169 | 172 |
fun try_nested_rec bound_Ts y t = |
173 |
AList.lookup (op =) nested_calls y |
|
174 |
|> Option.map (fn y' => |
|
175 |
massage_nested_rec_call lthy has_call (rewrite_map_arg get_ctr_pos) bound_Ts y y' t); |
|
176 |
||
54166 | 177 |
fun subst bound_Ts (t as g' $ y) = |
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178 |
let |
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|
179 |
fun subst_rec () = subst bound_Ts g' $ subst bound_Ts y; |
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180 |
val y_head = head_of y; |
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181 |
in |
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182 |
if not (member (op =) ctr_args y_head) then |
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183 |
subst_rec () |
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|
184 |
else |
54169 | 185 |
(case try_nested_rec bound_Ts y_head t of |
186 |
SOME t' => t' |
|
54168 | 187 |
| NONE => |
188 |
let val (g, g_args) = strip_comb g' in |
|
189 |
(case try (get_ctr_pos o the) (free_name g) of |
|
190 |
SOME ctr_pos => |
|
191 |
(length g_args >= ctr_pos orelse |
|
192 |
primrec_error_eqn "too few arguments in recursive call" t; |
|
193 |
(case AList.lookup (op =) mutual_calls y of |
|
194 |
SOME y' => list_comb (y', g_args) |
|
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195 |
| NONE => subst_rec ())) |
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|
196 |
| NONE => subst_rec ()) |
54168 | 197 |
end) |
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198 |
end |
54166 | 199 |
| subst bound_Ts (Abs (v, T, b)) = Abs (v, T, subst (T :: bound_Ts) b) |
53350 | 200 |
| subst _ t = t |
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|
201 |
|
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|
202 |
fun subst' t = |
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|
203 |
if has_call t then |
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|
204 |
(* FIXME detect this case earlier? *) |
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|
205 |
primrec_error_eqn "recursive call not directly applied to constructor argument" t |
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|
206 |
else |
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|
207 |
try_nested_rec [] (head_of t) t |> the_default t |
53350 | 208 |
in |
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|
209 |
subst' o subst [] |
53350 | 210 |
end; |
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|
211 |
|
54003 | 212 |
fun build_rec_arg lthy (funs_data : eqn_data list list) has_call (ctr_spec : rec_ctr_spec) |
213 |
(maybe_eqn_data : eqn_data option) = |
|
54208 | 214 |
(case maybe_eqn_data of |
215 |
NONE => undef_const |
|
216 |
| SOME {ctr_args, left_args, right_args, rhs_term = t, ...} => |
|
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|
217 |
let |
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|
218 |
val calls = #calls ctr_spec; |
54200 | 219 |
val n_args = fold (Integer.add o (fn Mutual_Rec _ => 2 | _ => 1)) calls 0; |
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|
220 |
|
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|
221 |
val no_calls' = tag_list 0 calls |
54200 | 222 |
|> map_filter (try (apsnd (fn No_Rec p => p | Mutual_Rec (p, _) => p))); |
54102 | 223 |
val mutual_calls' = tag_list 0 calls |
54200 | 224 |
|> map_filter (try (apsnd (fn Mutual_Rec (_, p) => p))); |
54102 | 225 |
val nested_calls' = tag_list 0 calls |
54200 | 226 |
|> map_filter (try (apsnd (fn Nested_Rec p => p))); |
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|
227 |
|
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|
228 |
val args = replicate n_args ("", dummyT) |
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|
229 |
|> Term.rename_wrt_term t |
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|
230 |
|> map Free |
54201 | 231 |
|> fold (fn (ctr_arg_idx, (arg_idx, _)) => |
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|
232 |
nth_map arg_idx (K (nth ctr_args ctr_arg_idx))) |
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|
233 |
no_calls' |
54200 | 234 |
|> fold (fn (ctr_arg_idx, (arg_idx, T)) => |
235 |
nth_map arg_idx (K (retype_free T (nth ctr_args ctr_arg_idx)))) |
|
54102 | 236 |
mutual_calls' |
54200 | 237 |
|> fold (fn (ctr_arg_idx, (arg_idx, T)) => |
238 |
nth_map arg_idx (K (retype_free T (nth ctr_args ctr_arg_idx)))) |
|
54102 | 239 |
nested_calls'; |
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|
240 |
|
53401 | 241 |
val fun_name_ctr_pos_list = |
242 |
map (fn (x :: _) => (#fun_name x, length (#left_args x))) funs_data; |
|
243 |
val get_ctr_pos = try (the o AList.lookup (op =) fun_name_ctr_pos_list) #> the_default ~1; |
|
54200 | 244 |
val mutual_calls = map (apfst (nth ctr_args) o apsnd (nth args o fst)) mutual_calls'; |
245 |
val nested_calls = map (apfst (nth ctr_args) o apsnd (nth args o fst)) nested_calls'; |
|
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|
246 |
in |
53350 | 247 |
t |
54102 | 248 |
|> subst_rec_calls lthy get_ctr_pos has_call ctr_args mutual_calls nested_calls |
54208 | 249 |
|> fold_rev lambda (args @ left_args @ right_args) |
250 |
end); |
|
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|
251 |
|
54003 | 252 |
fun build_defs lthy bs mxs (funs_data : eqn_data list list) (rec_specs : rec_spec list) has_call = |
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|
253 |
let |
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|
254 |
val n_funs = length funs_data; |
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|
255 |
|
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|
256 |
val ctr_spec_eqn_data_list' = |
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|
257 |
(take n_funs rec_specs |> map #ctr_specs) ~~ funs_data |
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|
258 |
|> maps (uncurry (finds (fn (x, y) => #ctr x = #ctr y)) |
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|
259 |
##> (fn x => null x orelse |
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|
260 |
primrec_error_eqns "excess equations in definition" (map #rhs_term x)) #> fst); |
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|
261 |
val _ = ctr_spec_eqn_data_list' |> map (fn (_, x) => length x <= 1 orelse |
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|
262 |
primrec_error_eqns ("multiple equations for constructor") (map #user_eqn x)); |
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|
263 |
|
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|
264 |
val ctr_spec_eqn_data_list = |
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|
265 |
ctr_spec_eqn_data_list' @ (drop n_funs rec_specs |> maps #ctr_specs |> map (rpair [])); |
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|
266 |
|
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|
267 |
val recs = take n_funs rec_specs |> map #recx; |
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|
268 |
val rec_args = ctr_spec_eqn_data_list |
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|
269 |
|> sort ((op <) o pairself (#offset o fst) |> make_ord) |
53358 | 270 |
|> map (uncurry (build_rec_arg lthy funs_data has_call) o apsnd (try the_single)); |
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|
271 |
val ctr_poss = map (fn x => |
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|
272 |
if length (distinct ((op =) o pairself (length o #left_args)) x) <> 1 then |
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|
273 |
primrec_error ("inconstant constructor pattern position for function " ^ |
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|
274 |
quote (#fun_name (hd x))) |
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|
275 |
else |
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|
276 |
hd x |> #left_args |> length) funs_data; |
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|
277 |
in |
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|
278 |
(recs, ctr_poss) |
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|
279 |
|-> map2 (fn recx => fn ctr_pos => list_comb (recx, rec_args) |> permute_args ctr_pos) |
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|
280 |
|> Syntax.check_terms lthy |
54155 | 281 |
|> map3 (fn b => fn mx => fn t => ((b, mx), ((Binding.conceal (Thm.def_binding b), []), t))) |
282 |
bs mxs |
|
53303
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|
283 |
end; |
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|
284 |
|
54215
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|
285 |
fun find_rec_calls ctxt has_call ({ctr, ctr_args, rhs_term, ...} : eqn_data) = |
53303
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|
286 |
let |
54202
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|
287 |
fun find bound_Ts (Abs (_, T, b)) ctr_arg = find (T :: bound_Ts) b ctr_arg |
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|
288 |
| find bound_Ts (t as _ $ _) ctr_arg = |
53303
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|
289 |
let |
54202
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|
290 |
val typof = curry fastype_of1 bound_Ts; |
53303
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|
291 |
val (f', args') = strip_comb t; |
54202
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|
292 |
val n = find_index (equal ctr_arg o head_of) args'; |
53303
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changeset
|
293 |
in |
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|
294 |
if n < 0 then |
54202
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|
295 |
find bound_Ts f' ctr_arg @ maps (fn x => find bound_Ts x ctr_arg) args' |
53303
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|
296 |
else |
54202
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changeset
|
297 |
let |
0a06b51ffa56
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|
298 |
val (f, args as arg :: _) = chop n args' |>> curry list_comb f' |
0a06b51ffa56
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|
299 |
val (arg_head, arg_args) = Term.strip_comb arg; |
0a06b51ffa56
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|
300 |
in |
53358 | 301 |
if has_call f then |
54202
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|
302 |
mk_partial_compN (length arg_args) (typof f) (typof arg_head) f :: |
0a06b51ffa56
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parents:
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diff
changeset
|
303 |
maps (fn x => find bound_Ts x ctr_arg) args |
53303
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|
304 |
else |
54202
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handle applied ctor arguments gracefully when computing 'callssss' (for recursion through functions)
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changeset
|
305 |
find bound_Ts f ctr_arg @ maps (fn x => find bound_Ts x ctr_arg) args |
53303
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|
306 |
end |
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|
307 |
end |
54202
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|
308 |
| find _ _ _ = []; |
53303
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changeset
|
309 |
in |
54215
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panny
parents:
54209
diff
changeset
|
310 |
map (find [] rhs_term) ctr_args |
ab0595cb9fe9
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|
311 |
|> (fn [] => NONE | callss => SOME (ctr, callss)) |
53303
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|
312 |
end; |
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changeset
|
313 |
|
54013
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|
314 |
fun prepare_primrec fixes specs lthy = |
53303
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changeset
|
315 |
let |
53352 | 316 |
val (bs, mxs) = map_split (apfst fst) fixes; |
53303
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changeset
|
317 |
val fun_names = map Binding.name_of bs; |
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|
318 |
val eqns_data = map (dissect_eqn lthy fun_names) specs; |
53303
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changeset
|
319 |
val funs_data = eqns_data |
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changeset
|
320 |
|> partition_eq ((op =) o pairself #fun_name) |
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changeset
|
321 |
|> finds (fn (x, y) => x = #fun_name (hd y)) fun_names |> fst |
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|
322 |
|> map (fn (x, y) => the_single y handle List.Empty => |
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changeset
|
323 |
primrec_error ("missing equations for function " ^ quote x)); |
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parents:
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changeset
|
324 |
|
53358 | 325 |
val has_call = exists_subterm (map (fst #>> Binding.name_of #> Free) fixes |> member (op =)); |
53303
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changeset
|
326 |
val arg_Ts = map (#rec_type o hd) funs_data; |
ae49b835ca01
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changeset
|
327 |
val res_Ts = map (#res_type o hd) funs_data; |
ae49b835ca01
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parents:
diff
changeset
|
328 |
val callssss = funs_data |
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changeset
|
329 |
|> map (partition_eq ((op =) o pairself #ctr)) |
54202
0a06b51ffa56
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changeset
|
330 |
|> map (maps (map_filter (find_rec_calls lthy has_call))); |
53303
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parents:
diff
changeset
|
331 |
|
53830
ed2eb7df2aac
don't note more induction principles than there are functions + tuning
blanchet
parents:
53822
diff
changeset
|
332 |
val ((n2m, rec_specs, _, induct_thm, induct_thms), lthy') = |
53794 | 333 |
rec_specs_of bs arg_Ts res_Ts (get_indices fixes) callssss lthy; |
53303
ae49b835ca01
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parents:
diff
changeset
|
334 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
335 |
val actual_nn = length funs_data; |
ae49b835ca01
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parents:
diff
changeset
|
336 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
337 |
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
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parents:
diff
changeset
|
338 |
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
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parents:
diff
changeset
|
339 |
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
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parents:
diff
changeset
|
340 |
" is not a constructor in left-hand side") user_eqn) eqns_data end; |
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moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
341 |
|
53358 | 342 |
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
|
343 |
|
54013
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
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diff
changeset
|
344 |
fun prove lthy def_thms' ({ctr_specs, nested_map_idents, nested_map_comps, ...} : rec_spec) |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
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parents:
54003
diff
changeset
|
345 |
(fun_data : eqn_data list) = |
53303
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moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
346 |
let |
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moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
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changeset
|
347 |
val def_thms = map (snd o snd) def_thms'; |
54013
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improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
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parents:
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diff
changeset
|
348 |
val simp_thmss = finds (fn (x, y) => #ctr x = #ctr y) fun_data ctr_specs |
53303
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changeset
|
349 |
|> fst |
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moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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diff
changeset
|
350 |
|> map_filter (try (fn (x, [y]) => |
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moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
351 |
(#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
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parents:
diff
changeset
|
352 |
|> map (fn (user_eqn, num_extra_args, rec_thm) => |
53329 | 353 |
mk_primrec_tac lthy num_extra_args nested_map_idents nested_map_comps def_thms rec_thm |
54176 | 354 |
|> K |> Goal.prove lthy [] [] user_eqn |
355 |
|> Thm.close_derivation); |
|
54013
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
356 |
val poss = find_indices (fn (x, y) => #ctr x = #ctr y) fun_data eqns_data; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
357 |
in |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
358 |
(poss, simp_thmss) |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
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parents:
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diff
changeset
|
359 |
end; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
360 |
|
54013
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
361 |
val notes = |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
362 |
(if n2m then map2 (fn name => fn thm => |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
363 |
(name, inductN, [thm], [])) fun_names (take actual_nn induct_thms) else []) |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
364 |
|> map (fn (prefix, thmN, thms, attrs) => |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
365 |
((Binding.qualify true prefix (Binding.name thmN), attrs), [(thms, [])])); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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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 |
val common_name = mk_common_name fun_names; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
368 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
369 |
val common_notes = |
54013
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
370 |
(if n2m then [(inductN, [induct_thm], [])] else []) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
371 |
|> 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
|
372 |
((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
|
373 |
in |
54013
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
374 |
(((fun_names, defs), |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
375 |
fn lthy => fn defs => |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
376 |
split_list (map2 (prove lthy defs) (take actual_nn rec_specs) funs_data)), |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
377 |
lthy' |> Local_Theory.notes (notes @ common_notes) |> snd) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
378 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
379 |
|
54013
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
380 |
(* primrec definition *) |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
381 |
|
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
382 |
fun add_primrec_simple fixes ts lthy = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
383 |
let |
54013
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
384 |
val (((names, defs), prove), lthy) = prepare_primrec fixes ts lthy |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
385 |
handle ERROR str => primrec_error str; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
386 |
in |
54013
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
387 |
lthy |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
388 |
|> fold_map Local_Theory.define defs |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
389 |
|-> (fn defs => `(fn lthy => (names, (map fst defs, prove lthy defs)))) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
390 |
end |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
391 |
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
|
392 |
if null eqns |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
393 |
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
|
394 |
else error ("primrec_new error:\n " ^ str ^ "\nin\n " ^ |
53822 | 395 |
space_implode "\n " (map (quote o Syntax.string_of_term lthy) eqns)); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
396 |
|
54013
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
397 |
local |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
398 |
|
54028 | 399 |
fun gen_primrec prep_spec (raw_fixes : (binding * 'a option * mixfix) list) raw_spec lthy = |
54013
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
400 |
let |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
401 |
val d = duplicates (op =) (map (Binding.name_of o #1) raw_fixes) |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
402 |
val _ = null d orelse primrec_error ("duplicate function name(s): " ^ commas d); |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
403 |
|
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
404 |
val (fixes, specs) = fst (prep_spec raw_fixes raw_spec lthy); |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
405 |
|
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
406 |
val mk_notes = |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
407 |
flat ooo map3 (fn poss => fn prefix => fn thms => |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
408 |
let |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
409 |
val (bs, attrss) = map_split (fst o nth specs) poss; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
410 |
val notes = |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
411 |
map3 (fn b => fn attrs => fn thm => |
54145
297d1c603999
make sure that registered code equations are actually equations
blanchet
parents:
54133
diff
changeset
|
412 |
((Binding.qualify false prefix b, code_nitpicksimp_simp_attrs @ attrs), [([thm], [])])) |
54013
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
413 |
bs attrss thms; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
414 |
in |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
415 |
((Binding.qualify true prefix (Binding.name simpsN), []), [(thms, [])]) :: notes |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
416 |
end); |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
417 |
in |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
418 |
lthy |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
419 |
|> add_primrec_simple fixes (map snd specs) |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
420 |
|-> (fn (names, (ts, (posss, simpss))) => |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
421 |
Spec_Rules.add Spec_Rules.Equational (ts, flat simpss) |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
422 |
#> Local_Theory.notes (mk_notes posss names simpss) |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
423 |
#>> pair ts o map snd) |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
424 |
end; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
425 |
|
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
426 |
in |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
427 |
|
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
428 |
val add_primrec = gen_primrec Specification.check_spec; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
429 |
val add_primrec_cmd = gen_primrec Specification.read_spec; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
430 |
|
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
431 |
end; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
432 |
|
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
433 |
fun add_primrec_global fixes specs thy = |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
434 |
let |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
435 |
val lthy = Named_Target.theory_init thy; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
436 |
val ((ts, simps), lthy') = add_primrec fixes specs lthy; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
437 |
val simps' = burrow (Proof_Context.export lthy' lthy) simps; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
438 |
in ((ts, simps'), Local_Theory.exit_global lthy') end; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
439 |
|
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
440 |
fun add_primrec_overloaded ops fixes specs thy = |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
441 |
let |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
442 |
val lthy = Overloading.overloading ops thy; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
443 |
val ((ts, simps), lthy') = add_primrec fixes specs lthy; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
444 |
val simps' = burrow (Proof_Context.export lthy' lthy) simps; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
445 |
in ((ts, simps'), Local_Theory.exit_global lthy') end; |
38c0bbb8348b
improved backwards compatiblity of primrec_new (Isabelle/ML interface, attributes, etc.)
traytel
parents:
54003
diff
changeset
|
446 |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
447 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
448 |
|
53310 | 449 |
(* Primcorec *) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
450 |
|
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
451 |
type coeqn_data_disc = { |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
452 |
fun_name: string, |
53720 | 453 |
fun_T: typ, |
53401 | 454 |
fun_args: term list, |
53720 | 455 |
ctr: term, |
53341 | 456 |
ctr_no: int, (*###*) |
53720 | 457 |
disc: term, |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
458 |
prems: term list, |
53822 | 459 |
auto_gen: bool, |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
460 |
maybe_ctr_rhs: term option, |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
461 |
maybe_code_rhs: term option, |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
462 |
user_eqn: term |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
463 |
}; |
54001 | 464 |
|
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
465 |
type coeqn_data_sel = { |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
466 |
fun_name: string, |
53720 | 467 |
fun_T: typ, |
53401 | 468 |
fun_args: term list, |
53341 | 469 |
ctr: term, |
470 |
sel: term, |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
471 |
rhs_term: term, |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
472 |
user_eqn: term |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
473 |
}; |
54001 | 474 |
|
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
475 |
datatype coeqn_data = |
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
476 |
Disc of coeqn_data_disc | |
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
477 |
Sel of coeqn_data_sel; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
478 |
|
54160 | 479 |
fun dissect_coeqn_disc seq fun_names (basic_ctr_specss : basic_corec_ctr_spec list list) |
480 |
maybe_ctr_rhs maybe_code_rhs prems' concl matchedsss = |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
481 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
482 |
fun find_subterm p = let (* FIXME \<exists>? *) |
53401 | 483 |
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
|
484 |
| 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
|
485 |
in f end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
486 |
|
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
487 |
val applied_fun = concl |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
488 |
|> find_subterm (member ((op =) o apsnd SOME) fun_names o try (fst o dest_Free o head_of)) |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
489 |
|> the |
54204 | 490 |
handle Option.Option => primrec_error_eqn "malformed discriminator formula" concl; |
53720 | 491 |
val ((fun_name, fun_T), fun_args) = strip_comb applied_fun |>> dest_Free; |
54209 | 492 |
val SOME basic_ctr_specs = AList.lookup (op =) (fun_names ~~ basic_ctr_specss) fun_name; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
493 |
|
54160 | 494 |
val discs = map #disc basic_ctr_specs; |
495 |
val ctrs = map #ctr basic_ctr_specs; |
|
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
496 |
val not_disc = head_of concl = @{term Not}; |
53401 | 497 |
val _ = not_disc andalso length ctrs <> 2 andalso |
54209 | 498 |
primrec_error_eqn "negated discriminator for a type with \<noteq> 2 constructors" concl; |
54160 | 499 |
val disc' = find_subterm (member (op =) discs o head_of) concl; |
54209 | 500 |
val eq_ctr0 = concl |> perhaps (try HOLogic.dest_not) |> try (HOLogic.dest_eq #> snd) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
501 |
|> (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
|
502 |
if n >= 0 then SOME n else NONE end | _ => NONE); |
54160 | 503 |
val _ = is_some disc' orelse is_some eq_ctr0 orelse |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
504 |
primrec_error_eqn "no discriminator in equation" concl; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
505 |
val ctr_no' = |
54160 | 506 |
if is_none disc' then the eq_ctr0 else find_index (equal (head_of (the disc'))) discs; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
507 |
val ctr_no = if not_disc then 1 - ctr_no' else ctr_no'; |
54160 | 508 |
val {ctr, disc, ...} = nth basic_ctr_specs ctr_no; |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
509 |
|
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
510 |
val catch_all = try (fst o dest_Free o the_single) prems' = SOME Name.uu_; |
53720 | 511 |
val matchedss = AList.lookup (op =) matchedsss fun_name |> the_default []; |
512 |
val prems = map (abstract (List.rev fun_args)) prems'; |
|
513 |
val real_prems = |
|
54067 | 514 |
(if catch_all orelse seq then maps s_not_conj matchedss else []) @ |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
515 |
(if catch_all then [] else prems); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
516 |
|
53720 | 517 |
val matchedsss' = AList.delete (op =) fun_name matchedsss |
54065 | 518 |
|> cons (fun_name, if seq then matchedss @ [prems] else matchedss @ [real_prems]); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
519 |
|
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
520 |
val user_eqn = |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
521 |
(real_prems, concl) |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
522 |
|>> map HOLogic.mk_Trueprop ||> HOLogic.mk_Trueprop o abstract (List.rev fun_args) |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
523 |
|> curry Logic.list_all (map dest_Free fun_args) o Logic.list_implies; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
524 |
in |
53341 | 525 |
(Disc { |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
526 |
fun_name = fun_name, |
53720 | 527 |
fun_T = fun_T, |
53401 | 528 |
fun_args = fun_args, |
53720 | 529 |
ctr = ctr, |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
530 |
ctr_no = ctr_no, |
54160 | 531 |
disc = disc, |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
532 |
prems = real_prems, |
53822 | 533 |
auto_gen = catch_all, |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
534 |
maybe_ctr_rhs = maybe_ctr_rhs, |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
535 |
maybe_code_rhs = maybe_code_rhs, |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
536 |
user_eqn = user_eqn |
53720 | 537 |
}, matchedsss') |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
538 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
539 |
|
54209 | 540 |
fun dissect_coeqn_sel fun_names (basic_ctr_specss : basic_corec_ctr_spec list list) eqn' |
541 |
maybe_of_spec eqn = |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
542 |
let |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
543 |
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
|
544 |
handle TERM _ => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
545 |
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
|
546 |
val sel = head_of lhs; |
53720 | 547 |
val ((fun_name, fun_T), fun_args) = dest_comb lhs |> snd |> strip_comb |> apfst dest_Free |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
548 |
handle TERM _ => |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
549 |
primrec_error_eqn "malformed selector argument in left-hand side" eqn; |
54160 | 550 |
val basic_ctr_specs = the (AList.lookup (op =) (fun_names ~~ basic_ctr_specss) fun_name) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
551 |
handle Option.Option => primrec_error_eqn "malformed selector argument in left-hand side" eqn; |
54160 | 552 |
val {ctr, ...} = |
54209 | 553 |
(case maybe_of_spec of |
554 |
SOME of_spec => the (find_first (equal of_spec o #ctr) basic_ctr_specs) |
|
555 |
| NONE => filter (exists (equal sel) o #sels) basic_ctr_specs |> the_single |
|
556 |
handle List.Empty => primrec_error_eqn "ambiguous selector - use \"of\"" eqn); |
|
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
557 |
val user_eqn = drop_All eqn'; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
558 |
in |
53341 | 559 |
Sel { |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
560 |
fun_name = fun_name, |
53720 | 561 |
fun_T = fun_T, |
53401 | 562 |
fun_args = fun_args, |
54160 | 563 |
ctr = ctr, |
53341 | 564 |
sel = sel, |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
565 |
rhs_term = rhs, |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
566 |
user_eqn = user_eqn |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
567 |
} |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
568 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
569 |
|
54160 | 570 |
fun dissect_coeqn_ctr seq fun_names (basic_ctr_specss : basic_corec_ctr_spec list list) eqn' |
571 |
maybe_code_rhs prems concl matchedsss = |
|
53910 | 572 |
let |
54065 | 573 |
val (lhs, rhs) = HOLogic.dest_eq concl; |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
574 |
val (fun_name, fun_args) = strip_comb lhs |>> fst o dest_Free; |
54209 | 575 |
val SOME basic_ctr_specs = AList.lookup (op =) (fun_names ~~ basic_ctr_specss) fun_name; |
54074
43cdae9524bf
allow 'let's around constructors in constructor view
blanchet
parents:
54068
diff
changeset
|
576 |
val (ctr, ctr_args) = strip_comb (unfold_let rhs); |
54160 | 577 |
val {disc, sels, ...} = the (find_first (equal ctr o #ctr) basic_ctr_specs) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
578 |
handle Option.Option => primrec_error_eqn "not a constructor" ctr; |
53341 | 579 |
|
54065 | 580 |
val disc_concl = betapply (disc, lhs); |
54160 | 581 |
val (maybe_eqn_data_disc, matchedsss') = if length basic_ctr_specs = 1 |
53720 | 582 |
then (NONE, matchedsss) |
54160 | 583 |
else apfst SOME (dissect_coeqn_disc seq fun_names basic_ctr_specss |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
584 |
(SOME (abstract (List.rev fun_args) rhs)) maybe_code_rhs prems disc_concl matchedsss); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
585 |
|
54159
eb5d58c99049
set stage for more flexible 'primrec' syntax for recursion through functions
blanchet
parents:
54157
diff
changeset
|
586 |
val sel_concls = sels ~~ ctr_args |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
587 |
|> 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
|
588 |
|
53856 | 589 |
(* |
54065 | 590 |
val _ = tracing ("reduced\n " ^ Syntax.string_of_term @{context} concl ^ "\nto\n \<cdot> " ^ |
591 |
(is_some maybe_eqn_data_disc ? K (Syntax.string_of_term @{context} disc_concl ^ "\n \<cdot> ")) "" ^ |
|
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
592 |
space_implode "\n \<cdot> " (map (Syntax.string_of_term @{context}) sel_concls) ^ |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
593 |
"\nfor premise(s)\n \<cdot> " ^ |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
594 |
space_implode "\n \<cdot> " (map (Syntax.string_of_term @{context}) prems)); |
53856 | 595 |
*) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
596 |
|
54160 | 597 |
val eqns_data_sel = |
598 |
map (dissect_coeqn_sel fun_names basic_ctr_specss eqn' (SOME ctr)) sel_concls; |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
599 |
in |
53720 | 600 |
(the_list maybe_eqn_data_disc @ eqns_data_sel, matchedsss') |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
601 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
602 |
|
54160 | 603 |
fun dissect_coeqn_code lthy has_call fun_names basic_ctr_specss eqn' concl matchedsss = |
54065 | 604 |
let |
605 |
val (lhs, (rhs', rhs)) = HOLogic.dest_eq concl ||> `(expand_corec_code_rhs lthy has_call []); |
|
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
606 |
val (fun_name, fun_args) = strip_comb lhs |>> fst o dest_Free; |
54209 | 607 |
val SOME basic_ctr_specs = AList.lookup (op =) (fun_names ~~ basic_ctr_specss) fun_name; |
54065 | 608 |
|
609 |
val cond_ctrs = fold_rev_corec_code_rhs lthy (fn cs => fn ctr => fn _ => |
|
54160 | 610 |
if member ((op =) o apsnd #ctr) basic_ctr_specs ctr |
54065 | 611 |
then cons (ctr, cs) |
612 |
else primrec_error_eqn "not a constructor" ctr) [] rhs' [] |
|
613 |
|> AList.group (op =); |
|
614 |
||
54068 | 615 |
val ctr_premss = (case cond_ctrs of [_] => [[]] | _ => map (s_dnf o snd) cond_ctrs); |
54065 | 616 |
val ctr_concls = cond_ctrs |> map (fn (ctr, _) => |
617 |
binder_types (fastype_of ctr) |
|
618 |
|> map_index (fn (n, T) => massage_corec_code_rhs lthy (fn _ => fn ctr' => fn args => |
|
619 |
if ctr' = ctr then nth args n else Const (@{const_name undefined}, T)) [] rhs') |
|
620 |
|> curry list_comb ctr |
|
621 |
|> curry HOLogic.mk_eq lhs); |
|
622 |
in |
|
54160 | 623 |
fold_map2 (dissect_coeqn_ctr false fun_names basic_ctr_specss eqn' |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
624 |
(SOME (abstract (List.rev fun_args) rhs))) |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
625 |
ctr_premss ctr_concls matchedsss |
54065 | 626 |
end; |
627 |
||
54160 | 628 |
fun dissect_coeqn lthy seq has_call fun_names (basic_ctr_specss : basic_corec_ctr_spec list list) |
54209 | 629 |
eqn' maybe_of_spec matchedsss = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
630 |
let |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
631 |
val eqn = drop_All eqn' |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
632 |
handle TERM _ => primrec_error_eqn "malformed function equation" eqn'; |
54065 | 633 |
val (prems, concl) = Logic.strip_horn eqn |
53341 | 634 |
|> 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
|
635 |
|
54065 | 636 |
val head = concl |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
637 |
|> 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
|
638 |
|> head_of; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
639 |
|
54209 | 640 |
val maybe_rhs = concl |> perhaps (try HOLogic.dest_not) |> try (snd o HOLogic.dest_eq); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
641 |
|
54160 | 642 |
val discs = maps (map #disc) basic_ctr_specss; |
643 |
val sels = maps (maps #sels) basic_ctr_specss; |
|
644 |
val ctrs = maps (map #ctr) basic_ctr_specss; |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
645 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
646 |
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
|
647 |
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
|
648 |
member (op =) (filter (null o binder_types o fastype_of) ctrs) (the maybe_rhs) then |
54160 | 649 |
dissect_coeqn_disc seq fun_names basic_ctr_specss NONE NONE prems concl matchedsss |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
650 |
|>> single |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
651 |
else if member (op =) sels head then |
54209 | 652 |
([dissect_coeqn_sel fun_names basic_ctr_specss eqn' maybe_of_spec concl], matchedsss) |
54065 | 653 |
else if is_Free head andalso member (op =) fun_names (fst (dest_Free head)) andalso |
54074
43cdae9524bf
allow 'let's around constructors in constructor view
blanchet
parents:
54068
diff
changeset
|
654 |
member (op =) ctrs (head_of (unfold_let (the maybe_rhs))) then |
54160 | 655 |
dissect_coeqn_ctr seq fun_names basic_ctr_specss eqn' NONE prems concl matchedsss |
54065 | 656 |
else if is_Free head andalso member (op =) fun_names (fst (dest_Free head)) andalso |
657 |
null prems then |
|
54160 | 658 |
dissect_coeqn_code lthy has_call fun_names basic_ctr_specss eqn' concl matchedsss |
54065 | 659 |
|>> flat |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
660 |
else |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
661 |
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
|
662 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
663 |
|
54002 | 664 |
fun build_corec_arg_disc (ctr_specs : corec_ctr_spec list) |
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
665 |
({fun_args, ctr_no, prems, ...} : coeqn_data_disc) = |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
666 |
if is_none (#pred (nth ctr_specs ctr_no)) then I else |
54068 | 667 |
s_conjs prems |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
668 |
|> curry subst_bounds (List.rev fun_args) |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
669 |
|> HOLogic.tupled_lambda (HOLogic.mk_tuple fun_args) |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
670 |
|> K |> nth_map (the (#pred (nth ctr_specs ctr_no))); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
671 |
|
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
672 |
fun build_corec_arg_no_call (sel_eqns : coeqn_data_sel list) sel = |
53720 | 673 |
find_first (equal sel o #sel) sel_eqns |
674 |
|> try (fn SOME {fun_args, rhs_term, ...} => abs_tuple fun_args rhs_term) |
|
675 |
|> the_default undef_const |
|
53411 | 676 |
|> K; |
53360 | 677 |
|
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
678 |
fun build_corec_args_mutual_call lthy has_call (sel_eqns : coeqn_data_sel list) sel = |
54208 | 679 |
(case find_first (equal sel o #sel) sel_eqns of |
680 |
NONE => (I, I, I) |
|
681 |
| SOME {fun_args, rhs_term, ... } => |
|
53876 | 682 |
let |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
683 |
val bound_Ts = List.rev (map fastype_of fun_args); |
54207
9296ebf40db0
tuned names (to make them independent from temporary naming convention used in characteristic theorems)
blanchet
parents:
54206
diff
changeset
|
684 |
fun rewrite_stop _ t = if has_call t then @{term False} else @{term True}; |
9296ebf40db0
tuned names (to make them independent from temporary naming convention used in characteristic theorems)
blanchet
parents:
54206
diff
changeset
|
685 |
fun rewrite_end _ t = if has_call t then undef_const else t; |
9296ebf40db0
tuned names (to make them independent from temporary naming convention used in characteristic theorems)
blanchet
parents:
54206
diff
changeset
|
686 |
fun rewrite_cont bound_Ts t = |
53899 | 687 |
if has_call t then mk_tuple1 bound_Ts (snd (strip_comb t)) else undef_const; |
54102 | 688 |
fun massage f _ = massage_mutual_corec_call lthy has_call f bound_Ts rhs_term |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
689 |
|> abs_tuple fun_args; |
53876 | 690 |
in |
54207
9296ebf40db0
tuned names (to make them independent from temporary naming convention used in characteristic theorems)
blanchet
parents:
54206
diff
changeset
|
691 |
(massage rewrite_stop, massage rewrite_end, massage rewrite_cont) |
54208 | 692 |
end); |
53360 | 693 |
|
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
694 |
fun build_corec_arg_nested_call lthy has_call (sel_eqns : coeqn_data_sel list) sel = |
54208 | 695 |
(case find_first (equal sel o #sel) sel_eqns of |
696 |
NONE => I |
|
697 |
| SOME {fun_args, rhs_term, ...} => |
|
53899 | 698 |
let |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
699 |
val bound_Ts = List.rev (map fastype_of fun_args); |
53899 | 700 |
fun rewrite bound_Ts U T (Abs (v, V, b)) = Abs (v, V, rewrite (V :: bound_Ts) U T b) |
701 |
| rewrite bound_Ts U T (t as _ $ _) = |
|
702 |
let val (u, vs) = strip_comb t in |
|
703 |
if is_Free u andalso has_call u then |
|
704 |
Inr_const U T $ mk_tuple1 bound_Ts vs |
|
54215
ab0595cb9fe9
include corecursive functions' arguments in callssss
panny
parents:
54209
diff
changeset
|
705 |
else if const_name u = SOME @{const_name prod_case} then |
53899 | 706 |
map (rewrite bound_Ts U T) vs |> chop 1 |>> HOLogic.mk_split o the_single |> list_comb |
707 |
else |
|
708 |
list_comb (rewrite bound_Ts U T u, map (rewrite bound_Ts U T) vs) |
|
709 |
end |
|
710 |
| rewrite _ U T t = |
|
711 |
if is_Free t andalso has_call t then Inr_const U T $ HOLogic.unit else t; |
|
712 |
fun massage t = |
|
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
713 |
rhs_term |
54102 | 714 |
|> massage_nested_corec_call lthy has_call rewrite bound_Ts (range_type (fastype_of t)) |
53735 | 715 |
|> abs_tuple fun_args; |
53899 | 716 |
in |
717 |
massage |
|
54208 | 718 |
end); |
53360 | 719 |
|
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
720 |
fun build_corec_args_sel lthy has_call (all_sel_eqns : coeqn_data_sel list) |
54002 | 721 |
(ctr_spec : corec_ctr_spec) = |
54208 | 722 |
(case filter (equal (#ctr ctr_spec) o #ctr) all_sel_eqns of |
723 |
[] => I |
|
724 |
| sel_eqns => |
|
725 |
let |
|
726 |
val sel_call_list = #sels ctr_spec ~~ #calls ctr_spec; |
|
727 |
val no_calls' = map_filter (try (apsnd (fn No_Corec n => n))) sel_call_list; |
|
728 |
val mutual_calls' = map_filter (try (apsnd (fn Mutual_Corec n => n))) sel_call_list; |
|
729 |
val nested_calls' = map_filter (try (apsnd (fn Nested_Corec n => n))) sel_call_list; |
|
730 |
in |
|
731 |
I |
|
732 |
#> fold (fn (sel, n) => nth_map n (build_corec_arg_no_call sel_eqns sel)) no_calls' |
|
733 |
#> fold (fn (sel, (q, g, h)) => |
|
734 |
let val (fq, fg, fh) = build_corec_args_mutual_call lthy has_call sel_eqns sel in |
|
735 |
nth_map q fq o nth_map g fg o nth_map h fh end) mutual_calls' |
|
736 |
#> fold (fn (sel, n) => nth_map n |
|
737 |
(build_corec_arg_nested_call lthy has_call sel_eqns sel)) nested_calls' |
|
738 |
end); |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
739 |
|
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
740 |
fun build_codefs lthy bs mxs has_call arg_Tss (corec_specs : corec_spec list) |
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
741 |
(disc_eqnss : coeqn_data_disc list list) (sel_eqnss : coeqn_data_sel list list) = |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
742 |
let |
54160 | 743 |
val corecs = map #corec corec_specs; |
744 |
val ctr_specss = map #ctr_specs corec_specs; |
|
53360 | 745 |
val corec_args = hd corecs |
746 |
|> fst o split_last o binder_types o fastype_of |
|
747 |
|> map (Const o pair @{const_name undefined}) |
|
53720 | 748 |
|> fold2 (fold o build_corec_arg_disc) ctr_specss disc_eqnss |
53360 | 749 |
|> fold2 (fold o build_corec_args_sel lthy has_call) sel_eqnss ctr_specss; |
53735 | 750 |
fun currys [] t = t |
751 |
| currys Ts t = t $ mk_tuple1 (List.rev Ts) (map Bound (length Ts - 1 downto 0)) |
|
752 |
|> fold_rev (Term.abs o pair Name.uu) Ts; |
|
53401 | 753 |
|
53856 | 754 |
(* |
53360 | 755 |
val _ = tracing ("corecursor arguments:\n \<cdot> " ^ |
53411 | 756 |
space_implode "\n \<cdot> " (map (Syntax.string_of_term lthy) corec_args)); |
53856 | 757 |
*) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
758 |
|
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
759 |
val exclss' = |
53720 | 760 |
disc_eqnss |
53822 | 761 |
|> map (map (fn x => (#fun_args x, #ctr_no x, #prems x, #auto_gen x)) |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
762 |
#> fst o (fn xs => fold_map (fn x => fn ys => ((x, ys), ys @ [x])) xs []) |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
763 |
#> maps (uncurry (map o pair) |
53822 | 764 |
#> map (fn ((fun_args, c, x, a), (_, c', y, a')) => |
54068 | 765 |
((c, c', a orelse a'), (x, s_not (s_conjs y))) |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
766 |
||> apfst (map HOLogic.mk_Trueprop) o apsnd HOLogic.mk_Trueprop |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
767 |
||> Logic.list_implies |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
768 |
||> curry Logic.list_all (map dest_Free fun_args)))) |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
769 |
in |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
770 |
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
|
771 |
|> 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
|
772 |
|> map2 currys arg_Tss |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
773 |
|> Syntax.check_terms lthy |
54155 | 774 |
|> map3 (fn b => fn mx => fn t => ((b, mx), ((Binding.conceal (Thm.def_binding b), []), t))) |
775 |
bs mxs |
|
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
776 |
|> rpair exclss' |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
777 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
778 |
|
54002 | 779 |
fun mk_real_disc_eqns fun_binding arg_Ts ({ctr_specs, ...} : corec_spec) |
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
780 |
(sel_eqns : coeqn_data_sel list) (disc_eqns : coeqn_data_disc list) = |
53720 | 781 |
if length disc_eqns <> length ctr_specs - 1 then disc_eqns else |
782 |
let |
|
783 |
val n = 0 upto length ctr_specs |
|
784 |
|> the o find_first (fn idx => not (exists (equal idx o #ctr_no) disc_eqns)); |
|
53722
e176d6d3345f
generate more theorems (e.g. for types with only one constructor)
panny
parents:
53720
diff
changeset
|
785 |
val fun_args = (try (#fun_args o hd) disc_eqns, try (#fun_args o hd) sel_eqns) |
e176d6d3345f
generate more theorems (e.g. for types with only one constructor)
panny
parents:
53720
diff
changeset
|
786 |
|> the_default (map (curry Free Name.uu) arg_Ts) o merge_options; |
53720 | 787 |
val extra_disc_eqn = { |
788 |
fun_name = Binding.name_of fun_binding, |
|
789 |
fun_T = arg_Ts ---> body_type (fastype_of (#ctr (hd ctr_specs))), |
|
53722
e176d6d3345f
generate more theorems (e.g. for types with only one constructor)
panny
parents:
53720
diff
changeset
|
790 |
fun_args = fun_args, |
53720 | 791 |
ctr = #ctr (nth ctr_specs n), |
792 |
ctr_no = n, |
|
793 |
disc = #disc (nth ctr_specs n), |
|
54067 | 794 |
prems = maps (s_not_conj o #prems) disc_eqns, |
53822 | 795 |
auto_gen = true, |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
796 |
maybe_ctr_rhs = NONE, |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
797 |
maybe_code_rhs = NONE, |
53720 | 798 |
user_eqn = undef_const}; |
799 |
in |
|
800 |
chop n disc_eqns ||> cons extra_disc_eqn |> (op @) |
|
801 |
end; |
|
802 |
||
54243 | 803 |
fun find_corec_calls ctxt has_call basic_ctr_specs ({ctr, sel, rhs_term, ...} : coeqn_data_sel) = |
54160 | 804 |
let |
805 |
val sel_no = find_first (equal ctr o #ctr) basic_ctr_specs |
|
806 |
|> find_index (equal sel) o #sels o the; |
|
54243 | 807 |
fun find t = if has_call t then snd (fold_rev_corec_call ctxt (K cons) [] t []) else []; |
54160 | 808 |
in |
809 |
find rhs_term |
|
810 |
|> K |> nth_map sel_no |> AList.map_entry (op =) ctr |
|
811 |
end; |
|
812 |
||
54209 | 813 |
fun add_primcorec_ursive maybe_tac seq fixes specs maybe_of_specs lthy = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
814 |
let |
53352 | 815 |
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
|
816 |
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
|
817 |
|
54160 | 818 |
val fun_names = map Binding.name_of bs; |
819 |
val basic_ctr_specss = map (basic_corec_specs_of lthy) res_Ts; |
|
820 |
val has_call = exists_subterm (map (fst #>> Binding.name_of #> Free) fixes |> member (op =)); |
|
821 |
val eqns_data = |
|
822 |
fold_map2 (dissect_coeqn lthy seq has_call fun_names basic_ctr_specss) (map snd specs) |
|
54209 | 823 |
maybe_of_specs [] |
54160 | 824 |
|> flat o fst; |
825 |
||
826 |
val callssss = |
|
827 |
map_filter (try (fn Sel x => x)) eqns_data |
|
828 |
|> partition_eq ((op =) o pairself #fun_name) |
|
829 |
|> fst o finds (fn (x, ({fun_name, ...} :: _)) => x = fun_name) fun_names |
|
54161 | 830 |
|> map (flat o snd) |
54243 | 831 |
|> map2 (fold o find_corec_calls lthy has_call) basic_ctr_specss |
54160 | 832 |
|> map2 (curry (op |>)) (map (map (fn {ctr, sels, ...} => |
833 |
(ctr, map (K []) sels))) basic_ctr_specss); |
|
834 |
||
835 |
(* |
|
836 |
val _ = tracing ("callssss = " ^ @{make_string} callssss); |
|
837 |
*) |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
838 |
|
53830
ed2eb7df2aac
don't note more induction principles than there are functions + tuning
blanchet
parents:
53822
diff
changeset
|
839 |
val ((n2m, corec_specs', _, coinduct_thm, strong_coinduct_thm, coinduct_thms, |
53797 | 840 |
strong_coinduct_thms), lthy') = |
53794 | 841 |
corec_specs_of bs arg_Ts res_Ts (get_indices fixes) callssss lthy; |
53830
ed2eb7df2aac
don't note more induction principles than there are functions + tuning
blanchet
parents:
53822
diff
changeset
|
842 |
val actual_nn = length bs; |
ed2eb7df2aac
don't note more induction principles than there are functions + tuning
blanchet
parents:
53822
diff
changeset
|
843 |
val corec_specs = take actual_nn corec_specs'; (*###*) |
54178 | 844 |
val ctr_specss = map #ctr_specs corec_specs; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
845 |
|
53720 | 846 |
val disc_eqnss' = map_filter (try (fn Disc x => x)) eqns_data |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
847 |
|> partition_eq ((op =) o pairself #fun_name) |
53720 | 848 |
|> fst o finds (fn (x, ({fun_name, ...} :: _)) => x = fun_name) fun_names |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
849 |
|> map (sort ((op <) o pairself #ctr_no |> make_ord) o flat o snd); |
53720 | 850 |
val _ = disc_eqnss' |> map (fn x => |
851 |
let val d = duplicates ((op =) o pairself #ctr_no) x in null d orelse |
|
54204 | 852 |
primrec_error_eqns "excess discriminator formula in definition" |
53720 | 853 |
(maps (fn t => filter (equal (#ctr_no t) o #ctr_no) x) d |> map #user_eqn) end); |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
854 |
|
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
855 |
val sel_eqnss = map_filter (try (fn Sel x => x)) eqns_data |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
856 |
|> partition_eq ((op =) o pairself #fun_name) |
53720 | 857 |
|> fst o finds (fn (x, ({fun_name, ...} :: _)) => x = fun_name) fun_names |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
858 |
|> map (flat o snd); |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
859 |
|
53360 | 860 |
val arg_Tss = map (binder_types o snd o fst) fixes; |
53722
e176d6d3345f
generate more theorems (e.g. for types with only one constructor)
panny
parents:
53720
diff
changeset
|
861 |
val disc_eqnss = map5 mk_real_disc_eqns bs arg_Tss corec_specs sel_eqnss disc_eqnss'; |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
862 |
val (defs, exclss') = |
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
863 |
build_codefs lthy' bs mxs has_call arg_Tss corec_specs disc_eqnss sel_eqnss; |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
864 |
|
53923 | 865 |
fun excl_tac (c, c', a) = |
54177 | 866 |
if a orelse c = c' orelse seq then SOME (K (HEADGOAL (mk_primcorec_assumption_tac lthy []))) |
867 |
else maybe_tac; |
|
53822 | 868 |
|
53856 | 869 |
(* |
53822 | 870 |
val _ = tracing ("exclusiveness properties:\n \<cdot> " ^ |
871 |
space_implode "\n \<cdot> " (maps (map (Syntax.string_of_term lthy o snd)) exclss')); |
|
53856 | 872 |
*) |
53822 | 873 |
|
874 |
val exclss'' = exclss' |> map (map (fn (idx, t) => |
|
54177 | 875 |
(idx, (Option.map (Goal.prove lthy [] [] t #> Thm.close_derivation) (excl_tac idx), t)))); |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
876 |
val taut_thmss = map (map (apsnd (the o fst)) o filter (is_some o fst o snd)) exclss''; |
54180 | 877 |
val (goal_idxss, goalss) = exclss'' |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
878 |
|> map (map (apsnd (rpair [] o snd)) o filter (is_none o fst o snd)) |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
879 |
|> split_list o map split_list; |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
880 |
|
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
881 |
fun prove thmss' def_thms' lthy = |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
882 |
let |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
883 |
val def_thms = map (snd o snd) def_thms'; |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
884 |
|
54180 | 885 |
val exclss' = map (op ~~) (goal_idxss ~~ thmss'); |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
886 |
fun mk_exclsss excls n = |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
887 |
(excls, map (fn k => replicate k [TrueI] @ replicate (n - k) []) (0 upto n - 1)) |
53822 | 888 |
|-> fold (fn ((c, c', _), thm) => nth_map c (nth_map c' (K [thm]))); |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
889 |
val exclssss = (exclss' ~~ taut_thmss |> map (op @), fun_names ~~ corec_specs) |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
890 |
|-> map2 (fn excls => fn (_, {ctr_specs, ...}) => mk_exclsss excls (length ctr_specs)); |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
891 |
|
54002 | 892 |
fun prove_disc ({ctr_specs, ...} : corec_spec) exclsss |
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
893 |
({fun_name, fun_T, fun_args, ctr_no, prems, ...} : coeqn_data_disc) = |
53722
e176d6d3345f
generate more theorems (e.g. for types with only one constructor)
panny
parents:
53720
diff
changeset
|
894 |
if Term.aconv_untyped (#disc (nth ctr_specs ctr_no), @{term "\<lambda>x. x = x"}) then [] else |
53720 | 895 |
let |
53722
e176d6d3345f
generate more theorems (e.g. for types with only one constructor)
panny
parents:
53720
diff
changeset
|
896 |
val {disc_corec, ...} = nth ctr_specs ctr_no; |
53720 | 897 |
val k = 1 + ctr_no; |
898 |
val m = length prems; |
|
899 |
val t = |
|
900 |
list_comb (Free (fun_name, fun_T), map Bound (length fun_args - 1 downto 0)) |
|
901 |
|> curry betapply (#disc (nth ctr_specs ctr_no)) (*###*) |
|
902 |
|> HOLogic.mk_Trueprop |
|
903 |
|> curry Logic.list_implies (map HOLogic.mk_Trueprop prems) |
|
904 |
|> curry Logic.list_all (map dest_Free fun_args); |
|
905 |
in |
|
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
906 |
if prems = [@{term False}] then [] else |
53720 | 907 |
mk_primcorec_disc_tac lthy def_thms disc_corec k m exclsss |
908 |
|> K |> Goal.prove lthy [] [] t |
|
54176 | 909 |
|> Thm.close_derivation |
53720 | 910 |
|> pair (#disc (nth ctr_specs ctr_no)) |
911 |
|> single |
|
912 |
end; |
|
913 |
||
54002 | 914 |
fun prove_sel ({nested_maps, nested_map_idents, nested_map_comps, ctr_specs, ...} |
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
915 |
: corec_spec) (disc_eqns : coeqn_data_disc list) exclsss |
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
916 |
({fun_name, fun_T, fun_args, ctr, sel, rhs_term, ...} : coeqn_data_sel) = |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
917 |
let |
53909 | 918 |
val SOME ctr_spec = find_first (equal ctr o #ctr) ctr_specs; |
53720 | 919 |
val ctr_no = find_index (equal ctr o #ctr) ctr_specs; |
54067 | 920 |
val prems = the_default (maps (s_not_conj o #prems) disc_eqns) |
53720 | 921 |
(find_first (equal ctr_no o #ctr_no) disc_eqns |> Option.map #prems); |
922 |
val sel_corec = find_index (equal sel) (#sels ctr_spec) |
|
923 |
|> nth (#sel_corecs ctr_spec); |
|
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
924 |
val k = 1 + ctr_no; |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
925 |
val m = length prems; |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
926 |
val t = |
53720 | 927 |
list_comb (Free (fun_name, fun_T), map Bound (length fun_args - 1 downto 0)) |
928 |
|> curry betapply sel |
|
929 |
|> rpair (abstract (List.rev fun_args) rhs_term) |
|
930 |
|> HOLogic.mk_Trueprop o HOLogic.mk_eq |
|
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
931 |
|> curry Logic.list_implies (map HOLogic.mk_Trueprop prems) |
53720 | 932 |
|> curry Logic.list_all (map dest_Free fun_args); |
53925 | 933 |
val (distincts, _, sel_splits, sel_split_asms) = case_thms_of_term lthy [] rhs_term; |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
934 |
in |
53918
0fc622be0185
use new "sel_split(_asm)" to avoid giving rise to quantifiers, which would in turn require relying on injectivity
blanchet
parents:
53910
diff
changeset
|
935 |
mk_primcorec_sel_tac lthy def_thms distincts sel_splits sel_split_asms nested_maps |
53910 | 936 |
nested_map_idents nested_map_comps sel_corec k m exclsss |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
937 |
|> K |> Goal.prove lthy [] [] t |
54176 | 938 |
|> Thm.close_derivation |
53720 | 939 |
|> pair sel |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
940 |
end; |
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
941 |
|
54153
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
942 |
fun prove_ctr disc_alist sel_alist (disc_eqns : coeqn_data_disc list) |
67487a607ce2
avoid 'co_' prefix with underscore meaning 'co', since it is our only possible identifier representation of '(co)'
blanchet
parents:
54145
diff
changeset
|
943 |
(sel_eqns : coeqn_data_sel list) ({ctr, disc, sels, collapse, ...} : corec_ctr_spec) = |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
944 |
(* don't try to prove theorems when some sel_eqns are missing *) |
53720 | 945 |
if not (exists (equal ctr o #ctr) disc_eqns) |
53722
e176d6d3345f
generate more theorems (e.g. for types with only one constructor)
panny
parents:
53720
diff
changeset
|
946 |
andalso not (exists (equal ctr o #ctr) sel_eqns) |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
947 |
orelse |
53720 | 948 |
filter (equal ctr o #ctr) sel_eqns |
949 |
|> fst o finds ((op =) o apsnd #sel) sels |
|
950 |
|> exists (null o snd) |
|
951 |
then [] else |
|
952 |
let |
|
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
953 |
val (fun_name, fun_T, fun_args, prems, maybe_rhs) = |
53722
e176d6d3345f
generate more theorems (e.g. for types with only one constructor)
panny
parents:
53720
diff
changeset
|
954 |
(find_first (equal ctr o #ctr) disc_eqns, find_first (equal ctr o #ctr) sel_eqns) |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
955 |
|>> Option.map (fn x => (#fun_name x, #fun_T x, #fun_args x, #prems x, |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
956 |
#maybe_ctr_rhs x)) |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
957 |
||> Option.map (fn x => (#fun_name x, #fun_T x, #fun_args x, [], NONE)) |
53722
e176d6d3345f
generate more theorems (e.g. for types with only one constructor)
panny
parents:
53720
diff
changeset
|
958 |
|> the o merge_options; |
53720 | 959 |
val m = length prems; |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
960 |
val t = (if is_some maybe_rhs then the maybe_rhs else |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
961 |
filter (equal ctr o #ctr) sel_eqns |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
962 |
|> fst o finds ((op =) o apsnd #sel) sels |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
963 |
|> map (snd #> (fn [x] => (List.rev (#fun_args x), #rhs_term x)) #-> abstract) |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
964 |
|> curry list_comb ctr) |
53720 | 965 |
|> curry HOLogic.mk_eq (list_comb (Free (fun_name, fun_T), |
966 |
map Bound (length fun_args - 1 downto 0))) |
|
967 |
|> HOLogic.mk_Trueprop |
|
968 |
|> curry Logic.list_implies (map HOLogic.mk_Trueprop prems) |
|
969 |
|> curry Logic.list_all (map dest_Free fun_args); |
|
53791 | 970 |
val maybe_disc_thm = AList.lookup (op =) disc_alist disc; |
971 |
val sel_thms = map snd (filter (member (op =) sels o fst) sel_alist); |
|
53720 | 972 |
in |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
973 |
if prems = [@{term False}] then [] else |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
974 |
mk_primcorec_ctr_of_dtr_tac lthy m collapse maybe_disc_thm sel_thms |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
975 |
|> K |> Goal.prove lthy [] [] t |
54176 | 976 |
|> Thm.close_derivation |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
977 |
|> pair ctr |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
978 |
|> single |
53876 | 979 |
end; |
53720 | 980 |
|
54178 | 981 |
fun prove_code disc_eqns sel_eqns ctr_alist ctr_specs = |
54098 | 982 |
let |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
983 |
val (fun_name, fun_T, fun_args, maybe_rhs) = |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
984 |
(find_first (member (op =) (map #ctr ctr_specs) o #ctr) disc_eqns, |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
985 |
find_first (member (op =) (map #ctr ctr_specs) o #ctr) sel_eqns) |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
986 |
|>> Option.map (fn x => (#fun_name x, #fun_T x, #fun_args x, #maybe_code_rhs x)) |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
987 |
||> Option.map (fn x => (#fun_name x, #fun_T x, #fun_args x, NONE)) |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
988 |
|> the o merge_options; |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
989 |
|
54173 | 990 |
val bound_Ts = List.rev (map fastype_of fun_args); |
991 |
||
54120
c2f18fd05414
use Code.abort instead of undefined in auto-generated equations
panny
parents:
54106
diff
changeset
|
992 |
val lhs = list_comb (Free (fun_name, fun_T), map Bound (length fun_args - 1 downto 0)); |
54173 | 993 |
val maybe_rhs_info = |
994 |
(case maybe_rhs of |
|
995 |
SOME rhs => |
|
996 |
let |
|
997 |
val raw_rhs = expand_corec_code_rhs lthy has_call bound_Ts rhs; |
|
998 |
val cond_ctrs = |
|
999 |
fold_rev_corec_code_rhs lthy (K oo (cons oo pair)) bound_Ts raw_rhs []; |
|
1000 |
val ctr_thms = map (the o AList.lookup (op =) ctr_alist o snd) cond_ctrs; |
|
1001 |
in SOME (rhs, raw_rhs, ctr_thms) end |
|
1002 |
| NONE => |
|
1003 |
let |
|
1004 |
fun prove_code_ctr {ctr, sels, ...} = |
|
1005 |
if not (exists (equal ctr o fst) ctr_alist) then NONE else |
|
1006 |
let |
|
1007 |
val prems = find_first (equal ctr o #ctr) disc_eqns |
|
1008 |
|> Option.map #prems |> the_default []; |
|
1009 |
val t = |
|
1010 |
filter (equal ctr o #ctr) sel_eqns |
|
1011 |
|> fst o finds ((op =) o apsnd #sel) sels |
|
1012 |
|> map (snd #> (fn [x] => (List.rev (#fun_args x), #rhs_term x)) |
|
1013 |
#-> abstract) |
|
1014 |
|> curry list_comb ctr; |
|
1015 |
in |
|
1016 |
SOME (prems, t) |
|
1017 |
end; |
|
1018 |
val maybe_ctr_conds_argss = map prove_code_ctr ctr_specs; |
|
1019 |
in |
|
1020 |
if exists is_none maybe_ctr_conds_argss then NONE else |
|
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
1021 |
let |
54173 | 1022 |
val rhs = fold_rev (fn SOME (prems, u) => fn t => mk_If (s_conjs prems) u t) |
1023 |
maybe_ctr_conds_argss |
|
1024 |
(Const (@{const_name Code.abort}, @{typ String.literal} --> |
|
1025 |
(@{typ unit} --> body_type fun_T) --> body_type fun_T) $ |
|
54178 | 1026 |
HOLogic.mk_literal fun_name $ |
54173 | 1027 |
absdummy @{typ unit} (incr_boundvars 1 lhs)); |
1028 |
in SOME (rhs, rhs, map snd ctr_alist) end |
|
1029 |
end); |
|
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
1030 |
in |
54173 | 1031 |
(case maybe_rhs_info of |
1032 |
NONE => [] |
|
1033 |
| SOME (rhs, raw_rhs, ctr_thms) => |
|
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
1034 |
let |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
1035 |
val ms = map (Logic.count_prems o prop_of) ctr_thms; |
54172
9c276e656712
reintroduced parts of 07a8145aaeba that a22ded8a7f7d wrongly took out
blanchet
parents:
54170
diff
changeset
|
1036 |
val (raw_t, t) = (raw_rhs, rhs) |
9c276e656712
reintroduced parts of 07a8145aaeba that a22ded8a7f7d wrongly took out
blanchet
parents:
54170
diff
changeset
|
1037 |
|> pairself |
9c276e656712
reintroduced parts of 07a8145aaeba that a22ded8a7f7d wrongly took out
blanchet
parents:
54170
diff
changeset
|
1038 |
(curry HOLogic.mk_eq (list_comb (Free (fun_name, fun_T), |
9c276e656712
reintroduced parts of 07a8145aaeba that a22ded8a7f7d wrongly took out
blanchet
parents:
54170
diff
changeset
|
1039 |
map Bound (length fun_args - 1 downto 0))) |
9c276e656712
reintroduced parts of 07a8145aaeba that a22ded8a7f7d wrongly took out
blanchet
parents:
54170
diff
changeset
|
1040 |
#> HOLogic.mk_Trueprop |
9c276e656712
reintroduced parts of 07a8145aaeba that a22ded8a7f7d wrongly took out
blanchet
parents:
54170
diff
changeset
|
1041 |
#> curry Logic.list_all (map dest_Free fun_args)); |
54098 | 1042 |
val (distincts, discIs, sel_splits, sel_split_asms) = |
54172
9c276e656712
reintroduced parts of 07a8145aaeba that a22ded8a7f7d wrongly took out
blanchet
parents:
54170
diff
changeset
|
1043 |
case_thms_of_term lthy bound_Ts raw_rhs; |
54098 | 1044 |
|
54172
9c276e656712
reintroduced parts of 07a8145aaeba that a22ded8a7f7d wrongly took out
blanchet
parents:
54170
diff
changeset
|
1045 |
val raw_code_thm = mk_primcorec_raw_code_of_ctr_tac lthy distincts discIs sel_splits |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
1046 |
sel_split_asms ms ctr_thms |
54176 | 1047 |
|> K |> Goal.prove lthy [] [] raw_t |
1048 |
|> Thm.close_derivation; |
|
54172
9c276e656712
reintroduced parts of 07a8145aaeba that a22ded8a7f7d wrongly took out
blanchet
parents:
54170
diff
changeset
|
1049 |
in |
54174 | 1050 |
mk_primcorec_code_of_raw_code_tac lthy distincts sel_splits raw_code_thm |
54172
9c276e656712
reintroduced parts of 07a8145aaeba that a22ded8a7f7d wrongly took out
blanchet
parents:
54170
diff
changeset
|
1051 |
|> K |> Goal.prove lthy [] [] t |
54176 | 1052 |
|> Thm.close_derivation |
54172
9c276e656712
reintroduced parts of 07a8145aaeba that a22ded8a7f7d wrongly took out
blanchet
parents:
54170
diff
changeset
|
1053 |
|> single |
54173 | 1054 |
end) |
1055 |
end; |
|
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
1056 |
|
53791 | 1057 |
val disc_alists = map3 (maps oo prove_disc) corec_specs exclssss disc_eqnss; |
1058 |
val sel_alists = map4 (map ooo prove_sel) corec_specs disc_eqnss exclssss sel_eqnss; |
|
1059 |
val disc_thmss = map (map snd) disc_alists; |
|
1060 |
val sel_thmss = map (map snd) sel_alists; |
|
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
1061 |
|
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
1062 |
val ctr_alists = map5 (maps oooo prove_ctr) disc_alists sel_alists disc_eqnss sel_eqnss |
54178 | 1063 |
ctr_specss; |
54097
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
1064 |
val ctr_thmss = map (map snd) ctr_alists; |
92c5bd3b342d
prove user-supplied equations for ctr and code reductions, preserving "let"s, "case"s etc.;
panny
parents:
54074
diff
changeset
|
1065 |
|
54178 | 1066 |
val code_thmss = map4 prove_code disc_eqnss sel_eqnss ctr_alists ctr_specss; |
53791 | 1067 |
|
54030
732b53d9b720
don't register equations of the form 'f x = ...' as simp rules, even if they are safe (noncorecursive), because they unfold too aggresively concepts users are likely to want to stay folded
blanchet
parents:
54028
diff
changeset
|
1068 |
val simp_thmss = map2 append disc_thmss sel_thmss |
53795 | 1069 |
|
53797 | 1070 |
val common_name = mk_common_name fun_names; |
1071 |
||
53791 | 1072 |
val notes = |
53830
ed2eb7df2aac
don't note more induction principles than there are functions + tuning
blanchet
parents:
53822
diff
changeset
|
1073 |
[(coinductN, map (if n2m then single else K []) coinduct_thms, []), |
54145
297d1c603999
make sure that registered code equations are actually equations
blanchet
parents:
54133
diff
changeset
|
1074 |
(codeN, code_thmss, code_nitpicksimp_attrs), |
53797 | 1075 |
(ctrN, ctr_thmss, []), |
53791 | 1076 |
(discN, disc_thmss, simp_attrs), |
53795 | 1077 |
(selN, sel_thmss, simp_attrs), |
53797 | 1078 |
(simpsN, simp_thmss, []), |
53830
ed2eb7df2aac
don't note more induction principles than there are functions + tuning
blanchet
parents:
53822
diff
changeset
|
1079 |
(strong_coinductN, map (if n2m then single else K []) strong_coinduct_thms, [])] |
53791 | 1080 |
|> maps (fn (thmN, thmss, attrs) => |
1081 |
map2 (fn fun_name => fn thms => |
|
1082 |
((Binding.qualify true fun_name (Binding.name thmN), attrs), [(thms, [])])) |
|
53830
ed2eb7df2aac
don't note more induction principles than there are functions + tuning
blanchet
parents:
53822
diff
changeset
|
1083 |
fun_names (take actual_nn thmss)) |
53791 | 1084 |
|> filter_out (null o fst o hd o snd); |
53797 | 1085 |
|
1086 |
val common_notes = |
|
53830
ed2eb7df2aac
don't note more induction principles than there are functions + tuning
blanchet
parents:
53822
diff
changeset
|
1087 |
[(coinductN, if n2m then [coinduct_thm] else [], []), |
ed2eb7df2aac
don't note more induction principles than there are functions + tuning
blanchet
parents:
53822
diff
changeset
|
1088 |
(strong_coinductN, if n2m then [strong_coinduct_thm] else [], [])] |
53797 | 1089 |
|> filter_out (null o #2) |
1090 |
|> map (fn (thmN, thms, attrs) => |
|
1091 |
((Binding.qualify true common_name (Binding.name thmN), attrs), [(thms, [])])); |
|
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
1092 |
in |
54030
732b53d9b720
don't register equations of the form 'f x = ...' as simp rules, even if they are safe (noncorecursive), because they unfold too aggresively concepts users are likely to want to stay folded
blanchet
parents:
54028
diff
changeset
|
1093 |
lthy |> Local_Theory.notes (notes @ common_notes) |> snd |
53654
8b9ea4420f81
prove simp theorems for newly generated definitions
panny
parents:
53411
diff
changeset
|
1094 |
end; |
53822 | 1095 |
|
1096 |
fun after_qed thmss' = fold_map Local_Theory.define defs #-> prove thmss'; |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
1097 |
in |
54177 | 1098 |
(goalss, after_qed, lthy') |
53822 | 1099 |
end; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
1100 |
|
54177 | 1101 |
fun add_primcorec_ursive_cmd maybe_tac seq (raw_fixes, raw_specs') lthy = |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
1102 |
let |
54209 | 1103 |
val (raw_specs, maybe_of_specs) = |
1104 |
split_list raw_specs' ||> map (Option.map (Syntax.read_term lthy)); |
|
53831
80423b9080cf
support "of" syntax to disambiguate selector equations
panny
parents:
53830
diff
changeset
|
1105 |
val ((fixes, specs), _) = Specification.read_spec raw_fixes raw_specs lthy; |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
1106 |
in |
54209 | 1107 |
add_primcorec_ursive maybe_tac seq fixes specs maybe_of_specs lthy |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
1108 |
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
|
1109 |
end |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
1110 |
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
|
1111 |
if null eqns |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
1112 |
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
|
1113 |
else error ("primcorec error:\n " ^ str ^ "\nin\n " ^ |
53822 | 1114 |
space_implode "\n " (map (quote o Syntax.string_of_term lthy) eqns)); |
1115 |
||
54177 | 1116 |
val add_primcorecursive_cmd = (fn (goalss, after_qed, lthy) => |
1117 |
lthy |
|
1118 |
|> Proof.theorem NONE after_qed goalss |
|
1119 |
|> Proof.refine (Method.primitive_text I) |
|
1120 |
|> Seq.hd) ooo add_primcorec_ursive_cmd NONE; |
|
1121 |
||
1122 |
val add_primcorec_cmd = (fn (goalss, after_qed, lthy) => |
|
1123 |
lthy |
|
1124 |
|> after_qed (map (fn [] => [] |
|
1125 |
| _ => primrec_error "need exclusiveness proofs - use primcorecursive instead of primcorec") |
|
1126 |
goalss)) ooo add_primcorec_ursive_cmd (SOME (fn {context = ctxt, ...} => auto_tac ctxt)); |
|
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
1127 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
blanchet
parents:
diff
changeset
|
1128 |
end; |