author | wenzelm |
Sat, 17 Dec 2011 12:10:37 +0100 | |
changeset 45906 | 0aaeb5520f2f |
parent 45839 | 43a5b86bc102 |
child 46567 | 8421b6cf2a33 |
permissions | -rw-r--r-- |
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(* Title: HOL/SPARK/Tools/spark_vcs.ML |
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Author: Stefan Berghofer |
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Copyright: secunet Security Networks AG |
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Store for verification conditions generated by SPARK/Ada. |
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*) |
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signature SPARK_VCS = |
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sig |
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val set_vcs: Fdl_Parser.decls -> Fdl_Parser.rules -> |
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(string * string) * Fdl_Parser.vcs -> Path.T -> string -> theory -> theory |
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val add_proof_fun: (typ option -> 'a -> term) -> |
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string * ((string list * string) option * 'a) -> |
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theory -> theory |
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val add_type: string * typ -> theory -> theory |
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val lookup_vc: theory -> string -> (Element.context_i list * |
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(string * thm list option * Element.context_i * Element.statement_i)) option |
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val get_vcs: theory -> |
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Element.context_i list * (binding * thm) list * (string * |
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(string * thm list option * Element.context_i * Element.statement_i)) list |
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val mark_proved: string -> thm list -> theory -> theory |
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val close: theory -> theory |
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val is_closed: theory -> bool |
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end; |
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structure SPARK_VCs: SPARK_VCS = |
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struct |
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open Fdl_Parser; |
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(** theory data **) |
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fun err_unfinished () = error "An unfinished SPARK environment is still open." |
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val strip_number = pairself implode o take_suffix Fdl_Lexer.is_digit o raw_explode; |
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val name_ord = prod_ord string_ord (option_ord int_ord) o |
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pairself (strip_number ##> Int.fromString); |
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structure VCtab = Table(type key = string val ord = name_ord); |
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structure VCs = Theory_Data |
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( |
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type T = |
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{pfuns: ((string list * string) option * term) Symtab.table, |
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type_map: typ Symtab.table, |
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env: |
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{ctxt: Element.context_i list, |
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defs: (binding * thm) list, |
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types: fdl_type tab, |
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funs: (string list * string) tab, |
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ids: (term * string) Symtab.table * Name.context, |
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proving: bool, |
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vcs: (string * thm list option * |
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(string * expr) list * (string * expr) list) VCtab.table, |
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path: Path.T, |
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prefix: string} option} |
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val empty : T = {pfuns = Symtab.empty, type_map = Symtab.empty, env = NONE} |
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val extend = I |
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fun merge ({pfuns = pfuns1, type_map = type_map1, env = NONE}, |
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{pfuns = pfuns2, type_map = type_map2, env = NONE}) = |
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{pfuns = Symtab.merge (eq_pair (op =) (op aconv)) (pfuns1, pfuns2), |
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type_map = Symtab.merge (op =) (type_map1, type_map2), |
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env = NONE} |
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| merge _ = err_unfinished () |
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) |
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(** utilities **) |
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val to_lower = raw_explode #> map Symbol.to_ascii_lower #> implode; |
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val lcase_eq = (op =) o pairself (to_lower o Long_Name.base_name); |
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fun lookup_prfx "" tab s = Symtab.lookup tab s |
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| lookup_prfx prfx tab s = (case Symtab.lookup tab s of |
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NONE => Symtab.lookup tab (prfx ^ "__" ^ s) |
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| x => x); |
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fun strip_prfx s = |
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let |
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fun strip ys [] = ("", implode ys) |
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| strip ys ("_" :: "_" :: xs) = (implode (rev xs), implode ys) |
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| strip ys (x :: xs) = strip (x :: ys) xs |
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in strip [] (rev (raw_explode s)) end; |
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fun mk_unop s t = |
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let val T = fastype_of t |
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in Const (s, T --> T) $ t end; |
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fun mk_times (t, u) = |
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let |
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val setT = fastype_of t; |
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val T = HOLogic.dest_setT setT; |
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val U = HOLogic.dest_setT (fastype_of u) |
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in |
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Const (@{const_name Sigma}, setT --> (T --> HOLogic.mk_setT U) --> |
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HOLogic.mk_setT (HOLogic.mk_prodT (T, U))) $ t $ Abs ("", T, u) |
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end; |
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fun get_type thy prfx ty = |
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let val {type_map, ...} = VCs.get thy |
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in lookup_prfx prfx type_map ty end; |
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fun mk_type _ _ "integer" = HOLogic.intT |
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| mk_type _ _ "boolean" = HOLogic.boolT |
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| mk_type thy prfx ty = |
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(case get_type thy prfx ty of |
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NONE => |
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Syntax.check_typ (Proof_Context.init_global thy) |
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(Type (Sign.full_name thy (Binding.name ty), [])) |
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| SOME T => T); |
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val booleanN = "boolean"; |
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val integerN = "integer"; |
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fun define_overloaded (def_name, eq) lthy = |
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let |
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val ((c, _), rhs) = eq |> Syntax.check_term lthy |> |
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Logic.dest_equals |>> dest_Free; |
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val ((_, (_, thm)), lthy') = Local_Theory.define |
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((Binding.name c, NoSyn), ((Binding.name def_name, []), rhs)) lthy |
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val ctxt_thy = Proof_Context.init_global (Proof_Context.theory_of lthy'); |
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val thm' = singleton (Proof_Context.export lthy' ctxt_thy) thm |
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in (thm', lthy') end; |
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fun strip_underscores s = |
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strip_underscores (unsuffix "_" s) handle Fail _ => s; |
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fun strip_tilde s = |
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unsuffix "~" s ^ "_init" handle Fail _ => s; |
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val mangle_name = strip_underscores #> strip_tilde; |
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fun mk_variables thy prfx xs ty (tab, ctxt) = |
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let |
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val T = mk_type thy prfx ty; |
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val (ys, ctxt') = fold_map Name.variant (map mangle_name xs) ctxt; |
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val zs = map (Free o rpair T) ys; |
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in (zs, (fold (Symtab.update o apsnd (rpair ty)) (xs ~~ zs) tab, ctxt')) end; |
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fun get_record_info thy T = (case Record.dest_recTs T of |
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[(tyname, [@{typ unit}])] => |
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Record.get_info thy (Long_Name.qualifier tyname) |
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| _ => NONE); |
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fun find_field fname = find_first (curry lcase_eq fname o fst); |
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fun find_field' fname = get_first (fn (flds, fldty) => |
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if member (op =) flds fname then SOME fldty else NONE); |
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fun assoc_ty_err thy T s msg = |
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error ("Type " ^ Syntax.string_of_typ_global thy T ^ |
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" associated with SPARK type " ^ s ^ "\n" ^ msg); |
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(** generate properties of enumeration types **) |
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fun add_enum_type tyname tyname' thy = |
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let |
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val {case_name, ...} = the (Datatype.get_info thy tyname'); |
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val cs = map Const (the (Datatype.get_constrs thy tyname')); |
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val k = length cs; |
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val T = Type (tyname', []); |
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val p = Const (@{const_name pos}, T --> HOLogic.intT); |
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val v = Const (@{const_name val}, HOLogic.intT --> T); |
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val card = Const (@{const_name card}, |
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HOLogic.mk_setT T --> HOLogic.natT) $ HOLogic.mk_UNIV T; |
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fun mk_binrel_def s f = Logic.mk_equals |
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(Const (s, T --> T --> HOLogic.boolT), |
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Abs ("x", T, Abs ("y", T, |
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Const (s, HOLogic.intT --> HOLogic.intT --> HOLogic.boolT) $ |
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(f $ Bound 1) $ (f $ Bound 0)))); |
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val (((def1, def2), def3), lthy) = thy |> |
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Class.instantiation ([tyname'], [], @{sort spark_enum}) |> |
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define_overloaded ("pos_" ^ tyname ^ "_def", Logic.mk_equals |
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(p, |
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list_comb (Const (case_name, replicate k HOLogic.intT @ |
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[T] ---> HOLogic.intT), |
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map (HOLogic.mk_number HOLogic.intT) (0 upto k - 1)))) ||>> |
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define_overloaded ("less_eq_" ^ tyname ^ "_def", |
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mk_binrel_def @{const_name less_eq} p) ||>> |
|
189 |
define_overloaded ("less_" ^ tyname ^ "_def", |
|
190 |
mk_binrel_def @{const_name less} p); |
|
191 |
||
192 |
val UNIV_eq = Goal.prove lthy [] [] |
|
193 |
(HOLogic.mk_Trueprop (HOLogic.mk_eq |
|
194 |
(HOLogic.mk_UNIV T, HOLogic.mk_set T cs))) |
|
195 |
(fn _ => |
|
196 |
rtac @{thm subset_antisym} 1 THEN |
|
197 |
rtac @{thm subsetI} 1 THEN |
|
45906 | 198 |
Datatype_Aux.exh_tac (K (#exhaust (Datatype.the_info |
42361 | 199 |
(Proof_Context.theory_of lthy) tyname'))) 1 THEN |
41561 | 200 |
ALLGOALS (asm_full_simp_tac (simpset_of lthy))); |
201 |
||
202 |
val finite_UNIV = Goal.prove lthy [] [] |
|
203 |
(HOLogic.mk_Trueprop (Const (@{const_name finite}, |
|
204 |
HOLogic.mk_setT T --> HOLogic.boolT) $ HOLogic.mk_UNIV T)) |
|
205 |
(fn _ => simp_tac (simpset_of lthy addsimps [UNIV_eq]) 1); |
|
206 |
||
207 |
val card_UNIV = Goal.prove lthy [] [] |
|
208 |
(HOLogic.mk_Trueprop (HOLogic.mk_eq |
|
209 |
(card, HOLogic.mk_number HOLogic.natT k))) |
|
210 |
(fn _ => simp_tac (simpset_of lthy addsimps [UNIV_eq]) 1); |
|
211 |
||
212 |
val range_pos = Goal.prove lthy [] [] |
|
213 |
(HOLogic.mk_Trueprop (HOLogic.mk_eq |
|
214 |
(Const (@{const_name image}, (T --> HOLogic.intT) --> |
|
215 |
HOLogic.mk_setT T --> HOLogic.mk_setT HOLogic.intT) $ |
|
216 |
p $ HOLogic.mk_UNIV T, |
|
217 |
Const (@{const_name atLeastLessThan}, HOLogic.intT --> |
|
218 |
HOLogic.intT --> HOLogic.mk_setT HOLogic.intT) $ |
|
219 |
HOLogic.mk_number HOLogic.intT 0 $ |
|
220 |
(@{term int} $ card)))) |
|
221 |
(fn _ => |
|
222 |
simp_tac (simpset_of lthy addsimps [card_UNIV]) 1 THEN |
|
223 |
simp_tac (simpset_of lthy addsimps [UNIV_eq, def1]) 1 THEN |
|
224 |
rtac @{thm subset_antisym} 1 THEN |
|
225 |
simp_tac (simpset_of lthy) 1 THEN |
|
226 |
rtac @{thm subsetI} 1 THEN |
|
227 |
asm_full_simp_tac (simpset_of lthy addsimps @{thms interval_expand} |
|
228 |
delsimps @{thms atLeastLessThan_iff}) 1); |
|
229 |
||
230 |
val lthy' = |
|
231 |
Class.prove_instantiation_instance (fn _ => |
|
232 |
Class.intro_classes_tac [] THEN |
|
233 |
rtac finite_UNIV 1 THEN |
|
234 |
rtac range_pos 1 THEN |
|
235 |
simp_tac (HOL_basic_ss addsimps [def3]) 1 THEN |
|
236 |
simp_tac (HOL_basic_ss addsimps [def2]) 1) lthy; |
|
237 |
||
238 |
val (pos_eqs, val_eqs) = split_list (map_index (fn (i, c) => |
|
239 |
let |
|
240 |
val n = HOLogic.mk_number HOLogic.intT i; |
|
241 |
val th = Goal.prove lthy' [] [] |
|
242 |
(HOLogic.mk_Trueprop (HOLogic.mk_eq (p $ c, n))) |
|
243 |
(fn _ => simp_tac (simpset_of lthy' addsimps [def1]) 1); |
|
244 |
val th' = Goal.prove lthy' [] [] |
|
245 |
(HOLogic.mk_Trueprop (HOLogic.mk_eq (v $ n, c))) |
|
246 |
(fn _ => |
|
247 |
rtac (@{thm inj_pos} RS @{thm injD}) 1 THEN |
|
248 |
simp_tac (simpset_of lthy' addsimps |
|
249 |
[@{thm pos_val}, range_pos, card_UNIV, th]) 1) |
|
250 |
in (th, th') end) cs); |
|
251 |
||
252 |
val first_el = Goal.prove lthy' [] [] |
|
253 |
(HOLogic.mk_Trueprop (HOLogic.mk_eq |
|
254 |
(Const (@{const_name first_el}, T), hd cs))) |
|
255 |
(fn _ => simp_tac (simpset_of lthy' addsimps |
|
256 |
[@{thm first_el_def}, hd val_eqs]) 1); |
|
257 |
||
258 |
val last_el = Goal.prove lthy' [] [] |
|
259 |
(HOLogic.mk_Trueprop (HOLogic.mk_eq |
|
260 |
(Const (@{const_name last_el}, T), List.last cs))) |
|
261 |
(fn _ => simp_tac (simpset_of lthy' addsimps |
|
262 |
[@{thm last_el_def}, List.last val_eqs, card_UNIV]) 1); |
|
263 |
in |
|
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264 |
lthy' |> |
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|
265 |
Local_Theory.note |
45592 | 266 |
((Binding.name (tyname ^ "_card"), @{attributes [simp]}), [card_UNIV]) ||>> |
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267 |
Local_Theory.note |
45592 | 268 |
((Binding.name (tyname ^ "_pos"), @{attributes [simp]}), pos_eqs) ||>> |
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269 |
Local_Theory.note |
45592 | 270 |
((Binding.name (tyname ^ "_val"), @{attributes [simp]}), val_eqs) ||>> |
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|
271 |
Local_Theory.note |
45592 | 272 |
((Binding.name (tyname ^ "_first_el"), @{attributes [simp]}), [first_el]) ||>> |
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|
273 |
Local_Theory.note |
45592 | 274 |
((Binding.name (tyname ^ "_last_el"), @{attributes [simp]}), [last_el]) |> snd |> |
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|
275 |
Local_Theory.exit_global |
41561 | 276 |
end; |
277 |
||
278 |
||
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279 |
fun check_no_assoc thy prfx s = case get_type thy prfx s of |
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|
280 |
NONE => () |
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|
281 |
| SOME _ => error ("Cannot associate a type with " ^ s ^ |
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|
282 |
"\nsince it is no record or enumeration type"); |
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|
283 |
|
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|
284 |
fun check_enum [] [] = NONE |
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|
285 |
| check_enum els [] = SOME ("has no element(s) " ^ commas els) |
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|
286 |
| check_enum [] cs = SOME ("has extra element(s) " ^ |
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|
287 |
commas (map (Long_Name.base_name o fst) cs)) |
e8777e3ea6ef
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|
288 |
| check_enum (el :: els) ((cname, _) :: cs) = |
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|
289 |
if lcase_eq (el, cname) then check_enum els cs |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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changeset
|
290 |
else SOME ("either has no element " ^ el ^ |
e8777e3ea6ef
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berghofe
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changeset
|
291 |
" or it is at the wrong position"); |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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changeset
|
292 |
|
42396
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|
293 |
fun add_type_def prfx (s, Basic_Type ty) (ids, thy) = |
0869ce2006eb
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|
294 |
(check_no_assoc thy prfx s; |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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|
295 |
(ids, |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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changeset
|
296 |
Typedecl.abbrev_global (Binding.name s, [], NoSyn) |
42396
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|
297 |
(mk_type thy prfx ty) thy |> snd)) |
41561 | 298 |
|
42396
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changeset
|
299 |
| add_type_def prfx (s, Enum_Type els) ((tab, ctxt), thy) = |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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diff
changeset
|
300 |
let |
42396
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|
301 |
val (thy', tyname) = (case get_type thy prfx s of |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
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changeset
|
302 |
NONE => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
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diff
changeset
|
303 |
let |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
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diff
changeset
|
304 |
val tyb = Binding.name s; |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
305 |
val tyname = Sign.full_name thy tyb |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
306 |
in |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
307 |
(thy |> |
45701 | 308 |
Datatype.add_datatype {strict = true, quiet = true} |
45839
43a5b86bc102
'datatype' specifications allow explicit sort constraints;
wenzelm
parents:
45740
diff
changeset
|
309 |
[((tyb, [], NoSyn), map (fn s => (Binding.name s, [], NoSyn)) els)] |> snd |> |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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diff
changeset
|
310 |
add_enum_type s tyname, |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
311 |
tyname) |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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diff
changeset
|
312 |
end |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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diff
changeset
|
313 |
| SOME (T as Type (tyname, [])) => |
45906 | 314 |
(case Datatype.get_constrs thy tyname of |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
315 |
NONE => assoc_ty_err thy T s "is not a datatype" |
42396
0869ce2006eb
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berghofe
parents:
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diff
changeset
|
316 |
| SOME cs => |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
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diff
changeset
|
317 |
let |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
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parents:
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diff
changeset
|
318 |
val (prfx', _) = strip_prfx s; |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
319 |
val els' = |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
320 |
if prfx' = "" then els |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
321 |
else map (unprefix (prfx' ^ "__")) els |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
322 |
handle Fail _ => error ("Bad enumeration type " ^ s) |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
323 |
in |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
324 |
case check_enum els' cs of |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
325 |
NONE => (thy, tyname) |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
326 |
| SOME msg => assoc_ty_err thy T s msg |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
327 |
end)); |
45906 | 328 |
val cs = map Const (the (Datatype.get_constrs thy' tyname)); |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
329 |
in |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
330 |
((fold (Symtab.update_new o apsnd (rpair s)) (els ~~ cs) tab, |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
331 |
fold Name.declare els ctxt), |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
332 |
thy') |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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diff
changeset
|
333 |
end |
41561 | 334 |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
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parents:
42361
diff
changeset
|
335 |
| add_type_def prfx (s, Array_Type (argtys, resty)) (ids, thy) = |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
336 |
(check_no_assoc thy prfx s; |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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diff
changeset
|
337 |
(ids, |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
338 |
Typedecl.abbrev_global (Binding.name s, [], NoSyn) |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
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parents:
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diff
changeset
|
339 |
(foldr1 HOLogic.mk_prodT (map (mk_type thy prfx) argtys) --> |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
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parents:
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diff
changeset
|
340 |
mk_type thy prfx resty) thy |> snd)) |
41561 | 341 |
|
42396
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changeset
|
342 |
| add_type_def prfx (s, Record_Type fldtys) (ids, thy) = |
41561 | 343 |
(ids, |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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diff
changeset
|
344 |
let val fldTs = maps (fn (flds, ty) => |
42396
0869ce2006eb
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parents:
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diff
changeset
|
345 |
map (rpair (mk_type thy prfx ty)) flds) fldtys |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
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changeset
|
346 |
in case get_type thy prfx s of |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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parents:
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|
347 |
NONE => |
44653
6d8d09b90398
discontinued slightly odd "Defining record ..." message and corresponding quiet_mode;
wenzelm
parents:
44030
diff
changeset
|
348 |
Record.add_record ([], Binding.name s) NONE |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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changeset
|
349 |
(map (fn (fld, T) => (Binding.name fld, T, NoSyn)) fldTs) thy |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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|
350 |
| SOME rT => |
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Added command for associating user-defined types with SPARK types.
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changeset
|
351 |
(case get_record_info thy rT of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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parents:
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diff
changeset
|
352 |
NONE => assoc_ty_err thy rT s "is not a record type" |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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parents:
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changeset
|
353 |
| SOME {fields, ...} => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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parents:
41896
diff
changeset
|
354 |
(case subtract (lcase_eq o pairself fst) fldTs fields of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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parents:
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changeset
|
355 |
[] => () |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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parents:
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diff
changeset
|
356 |
| flds => assoc_ty_err thy rT s ("has extra field(s) " ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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changeset
|
357 |
commas (map (Long_Name.base_name o fst) flds)); |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
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|
358 |
map (fn (fld, T) => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
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changeset
|
359 |
case AList.lookup lcase_eq fields fld of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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diff
changeset
|
360 |
NONE => assoc_ty_err thy rT s ("has no field " ^ fld) |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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diff
changeset
|
361 |
| SOME U => T = U orelse assoc_ty_err thy rT s |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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changeset
|
362 |
("has field " ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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changeset
|
363 |
fld ^ " whose type\n" ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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diff
changeset
|
364 |
Syntax.string_of_typ_global thy U ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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diff
changeset
|
365 |
"\ndoes not match declared type\n" ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
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changeset
|
366 |
Syntax.string_of_typ_global thy T)) fldTs; |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
367 |
thy)) |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
368 |
end) |
41561 | 369 |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
370 |
| add_type_def prfx (s, Pending_Type) (ids, thy) = |
44030
b63a6bc144cf
Pending FDL types may now be associated with Isabelle types as well.
berghofe
parents:
43703
diff
changeset
|
371 |
(ids, |
b63a6bc144cf
Pending FDL types may now be associated with Isabelle types as well.
berghofe
parents:
43703
diff
changeset
|
372 |
case get_type thy prfx s of |
b63a6bc144cf
Pending FDL types may now be associated with Isabelle types as well.
berghofe
parents:
43703
diff
changeset
|
373 |
SOME _ => thy |
b63a6bc144cf
Pending FDL types may now be associated with Isabelle types as well.
berghofe
parents:
43703
diff
changeset
|
374 |
| NONE => Typedecl.typedecl_global |
b63a6bc144cf
Pending FDL types may now be associated with Isabelle types as well.
berghofe
parents:
43703
diff
changeset
|
375 |
(Binding.name s, [], NoSyn) thy |> snd); |
41561 | 376 |
|
377 |
||
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
378 |
fun term_of_expr thy prfx types pfuns = |
41561 | 379 |
let |
380 |
fun tm_of vs (Funct ("->", [e, e'])) = |
|
381 |
(HOLogic.mk_imp (fst (tm_of vs e), fst (tm_of vs e')), booleanN) |
|
382 |
||
383 |
| tm_of vs (Funct ("<->", [e, e'])) = |
|
384 |
(HOLogic.mk_eq (fst (tm_of vs e), fst (tm_of vs e')), booleanN) |
|
385 |
||
386 |
| tm_of vs (Funct ("or", [e, e'])) = |
|
387 |
(HOLogic.mk_disj (fst (tm_of vs e), fst (tm_of vs e')), booleanN) |
|
388 |
||
389 |
| tm_of vs (Funct ("and", [e, e'])) = |
|
390 |
(HOLogic.mk_conj (fst (tm_of vs e), fst (tm_of vs e')), booleanN) |
|
391 |
||
392 |
| tm_of vs (Funct ("not", [e])) = |
|
393 |
(HOLogic.mk_not (fst (tm_of vs e)), booleanN) |
|
394 |
||
395 |
| tm_of vs (Funct ("=", [e, e'])) = |
|
396 |
(HOLogic.mk_eq (fst (tm_of vs e), fst (tm_of vs e')), booleanN) |
|
397 |
||
398 |
| tm_of vs (Funct ("<>", [e, e'])) = (HOLogic.mk_not |
|
399 |
(HOLogic.mk_eq (fst (tm_of vs e), fst (tm_of vs e'))), booleanN) |
|
400 |
||
401 |
| tm_of vs (Funct ("<", [e, e'])) = (HOLogic.mk_binrel @{const_name less} |
|
402 |
(fst (tm_of vs e), fst (tm_of vs e')), booleanN) |
|
403 |
||
404 |
| tm_of vs (Funct (">", [e, e'])) = (HOLogic.mk_binrel @{const_name less} |
|
405 |
(fst (tm_of vs e'), fst (tm_of vs e)), booleanN) |
|
406 |
||
407 |
| tm_of vs (Funct ("<=", [e, e'])) = (HOLogic.mk_binrel @{const_name less_eq} |
|
408 |
(fst (tm_of vs e), fst (tm_of vs e')), booleanN) |
|
409 |
||
410 |
| tm_of vs (Funct (">=", [e, e'])) = (HOLogic.mk_binrel @{const_name less_eq} |
|
411 |
(fst (tm_of vs e'), fst (tm_of vs e)), booleanN) |
|
412 |
||
413 |
| tm_of vs (Funct ("+", [e, e'])) = (HOLogic.mk_binop @{const_name plus} |
|
414 |
(fst (tm_of vs e), fst (tm_of vs e')), integerN) |
|
415 |
||
416 |
| tm_of vs (Funct ("-", [e, e'])) = (HOLogic.mk_binop @{const_name minus} |
|
417 |
(fst (tm_of vs e), fst (tm_of vs e')), integerN) |
|
418 |
||
419 |
| tm_of vs (Funct ("*", [e, e'])) = (HOLogic.mk_binop @{const_name times} |
|
420 |
(fst (tm_of vs e), fst (tm_of vs e')), integerN) |
|
421 |
||
422 |
| tm_of vs (Funct ("/", [e, e'])) = (HOLogic.mk_binop @{const_name divide} |
|
423 |
(fst (tm_of vs e), fst (tm_of vs e')), integerN) |
|
424 |
||
425 |
| tm_of vs (Funct ("div", [e, e'])) = (HOLogic.mk_binop @{const_name sdiv} |
|
426 |
(fst (tm_of vs e), fst (tm_of vs e')), integerN) |
|
427 |
||
41635
f938a6022d2e
Replaced smod by standard mod operator to reflect actual behaviour
berghofe
parents:
41561
diff
changeset
|
428 |
| tm_of vs (Funct ("mod", [e, e'])) = (HOLogic.mk_binop @{const_name mod} |
41561 | 429 |
(fst (tm_of vs e), fst (tm_of vs e')), integerN) |
430 |
||
431 |
| tm_of vs (Funct ("-", [e])) = |
|
432 |
(mk_unop @{const_name uminus} (fst (tm_of vs e)), integerN) |
|
433 |
||
434 |
| tm_of vs (Funct ("**", [e, e'])) = |
|
435 |
(Const (@{const_name power}, HOLogic.intT --> HOLogic.natT --> |
|
436 |
HOLogic.intT) $ fst (tm_of vs e) $ |
|
437 |
(@{const nat} $ fst (tm_of vs e')), integerN) |
|
438 |
||
439 |
| tm_of (tab, _) (Ident s) = |
|
440 |
(case Symtab.lookup tab s of |
|
441 |
SOME t_ty => t_ty |
|
42499
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
442 |
| NONE => (case lookup_prfx prfx pfuns s of |
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
443 |
SOME (SOME ([], resty), t) => (t, resty) |
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
444 |
| _ => error ("Undeclared identifier " ^ s))) |
41561 | 445 |
|
446 |
| tm_of _ (Number i) = (HOLogic.mk_number HOLogic.intT i, integerN) |
|
447 |
||
448 |
| tm_of vs (Quantifier (s, xs, ty, e)) = |
|
449 |
let |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
450 |
val (ys, vs') = mk_variables thy prfx xs ty vs; |
41561 | 451 |
val q = (case s of |
452 |
"for_all" => HOLogic.mk_all |
|
453 |
| "for_some" => HOLogic.mk_exists) |
|
454 |
in |
|
455 |
(fold_rev (fn Free (x, T) => fn t => q (x, T, t)) |
|
456 |
ys (fst (tm_of vs' e)), |
|
457 |
booleanN) |
|
458 |
end |
|
459 |
||
460 |
| tm_of vs (Funct (s, es)) = |
|
461 |
||
462 |
(* record field selection *) |
|
463 |
(case try (unprefix "fld_") s of |
|
464 |
SOME fname => (case es of |
|
465 |
[e] => |
|
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
466 |
let |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
467 |
val (t, rcdty) = tm_of vs e; |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
468 |
val rT = mk_type thy prfx rcdty |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
469 |
in case (get_record_info thy rT, lookup types rcdty) of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
470 |
(SOME {fields, ...}, SOME (Record_Type fldtys)) => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
471 |
(case (find_field fname fields, |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
472 |
find_field' fname fldtys) of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
473 |
(SOME (fname', fT), SOME fldty) => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
474 |
(Const (fname', rT --> fT) $ t, fldty) |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
475 |
| _ => error ("Record " ^ rcdty ^ |
41561 | 476 |
" has no field named " ^ fname)) |
477 |
| _ => error (rcdty ^ " is not a record type") |
|
478 |
end |
|
479 |
| _ => error ("Function " ^ s ^ " expects one argument")) |
|
480 |
| NONE => |
|
481 |
||
482 |
(* record field update *) |
|
483 |
(case try (unprefix "upf_") s of |
|
484 |
SOME fname => (case es of |
|
485 |
[e, e'] => |
|
486 |
let |
|
487 |
val (t, rcdty) = tm_of vs e; |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
488 |
val rT = mk_type thy prfx rcdty; |
41561 | 489 |
val (u, fldty) = tm_of vs e'; |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
490 |
val fT = mk_type thy prfx fldty |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
491 |
in case get_record_info thy rT of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
492 |
SOME {fields, ...} => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
493 |
(case find_field fname fields of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
494 |
SOME (fname', fU) => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
495 |
if fT = fU then |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
496 |
(Const (fname' ^ "_update", |
41561 | 497 |
(fT --> fT) --> rT --> rT) $ |
498 |
Abs ("x", fT, u) $ t, |
|
499 |
rcdty) |
|
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
500 |
else error ("Type\n" ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
501 |
Syntax.string_of_typ_global thy fT ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
502 |
"\ndoes not match type\n" ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
503 |
Syntax.string_of_typ_global thy fU ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
504 |
"\nof field " ^ fname) |
41561 | 505 |
| NONE => error ("Record " ^ rcdty ^ |
506 |
" has no field named " ^ fname)) |
|
507 |
| _ => error (rcdty ^ " is not a record type") |
|
508 |
end |
|
509 |
| _ => error ("Function " ^ s ^ " expects two arguments")) |
|
510 |
| NONE => |
|
511 |
||
512 |
(* enumeration type to integer *) |
|
513 |
(case try (unsuffix "__pos") s of |
|
514 |
SOME tyname => (case es of |
|
515 |
[e] => (Const (@{const_name pos}, |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
516 |
mk_type thy prfx tyname --> HOLogic.intT) $ fst (tm_of vs e), |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
517 |
integerN) |
41561 | 518 |
| _ => error ("Function " ^ s ^ " expects one argument")) |
519 |
| NONE => |
|
520 |
||
521 |
(* integer to enumeration type *) |
|
522 |
(case try (unsuffix "__val") s of |
|
523 |
SOME tyname => (case es of |
|
524 |
[e] => (Const (@{const_name val}, |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
525 |
HOLogic.intT --> mk_type thy prfx tyname) $ fst (tm_of vs e), |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
526 |
tyname) |
41561 | 527 |
| _ => error ("Function " ^ s ^ " expects one argument")) |
528 |
| NONE => |
|
529 |
||
530 |
(* successor / predecessor of enumeration type element *) |
|
531 |
if s = "succ" orelse s = "pred" then (case es of |
|
532 |
[e] => |
|
533 |
let |
|
534 |
val (t, tyname) = tm_of vs e; |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
535 |
val T = mk_type thy prfx tyname |
41561 | 536 |
in (Const |
537 |
(if s = "succ" then @{const_name succ} |
|
538 |
else @{const_name pred}, T --> T) $ t, tyname) |
|
539 |
end |
|
540 |
| _ => error ("Function " ^ s ^ " expects one argument")) |
|
541 |
||
542 |
(* user-defined proof function *) |
|
543 |
else |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
544 |
(case lookup_prfx prfx pfuns s of |
41561 | 545 |
SOME (SOME (_, resty), t) => |
546 |
(list_comb (t, map (fst o tm_of vs) es), resty) |
|
547 |
| _ => error ("Undeclared proof function " ^ s)))))) |
|
548 |
||
549 |
| tm_of vs (Element (e, es)) = |
|
550 |
let val (t, ty) = tm_of vs e |
|
551 |
in case lookup types ty of |
|
552 |
SOME (Array_Type (_, elty)) => |
|
553 |
(t $ foldr1 HOLogic.mk_prod (map (fst o tm_of vs) es), elty) |
|
554 |
| _ => error (ty ^ " is not an array type") |
|
555 |
end |
|
556 |
||
557 |
| tm_of vs (Update (e, es, e')) = |
|
558 |
let val (t, ty) = tm_of vs e |
|
559 |
in case lookup types ty of |
|
560 |
SOME (Array_Type (idxtys, elty)) => |
|
561 |
let |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
562 |
val T = foldr1 HOLogic.mk_prodT |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
563 |
(map (mk_type thy prfx) idxtys); |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
564 |
val U = mk_type thy prfx elty; |
41561 | 565 |
val fT = T --> U |
566 |
in |
|
567 |
(Const (@{const_name fun_upd}, fT --> T --> U --> fT) $ |
|
568 |
t $ foldr1 HOLogic.mk_prod (map (fst o tm_of vs) es) $ |
|
569 |
fst (tm_of vs e'), |
|
570 |
ty) |
|
571 |
end |
|
572 |
| _ => error (ty ^ " is not an array type") |
|
573 |
end |
|
574 |
||
575 |
| tm_of vs (Record (s, flds)) = |
|
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
576 |
let |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
577 |
val T = mk_type thy prfx s; |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
578 |
val {extension = (ext_name, _), fields, ...} = |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
579 |
(case get_record_info thy T of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
580 |
NONE => error (s ^ " is not a record type") |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
581 |
| SOME info => info); |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
582 |
val flds' = map (apsnd (tm_of vs)) flds; |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
583 |
val fnames = map (Long_Name.base_name o fst) fields; |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
584 |
val fnames' = map fst flds; |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
585 |
val (fvals, ftys) = split_list (map (fn s' => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
586 |
case AList.lookup lcase_eq flds' s' of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
587 |
SOME fval_ty => fval_ty |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
588 |
| NONE => error ("Field " ^ s' ^ " missing in record " ^ s)) |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
589 |
fnames); |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
590 |
val _ = (case subtract lcase_eq fnames fnames' of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
591 |
[] => () |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
592 |
| xs => error ("Extra field(s) " ^ commas xs ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
593 |
" in record " ^ s)); |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
594 |
val _ = (case duplicates (op =) fnames' of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
595 |
[] => () |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
596 |
| xs => error ("Duplicate field(s) " ^ commas xs ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
597 |
" in record " ^ s)) |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
598 |
in |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
599 |
(list_comb |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
600 |
(Const (ext_name, |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
601 |
map (mk_type thy prfx) ftys @ [HOLogic.unitT] ---> T), |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
602 |
fvals @ [HOLogic.unit]), |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
603 |
s) |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
604 |
end |
41561 | 605 |
|
606 |
| tm_of vs (Array (s, default, assocs)) = |
|
607 |
(case lookup types s of |
|
608 |
SOME (Array_Type (idxtys, elty)) => |
|
609 |
let |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
610 |
val Ts = map (mk_type thy prfx) idxtys; |
41561 | 611 |
val T = foldr1 HOLogic.mk_prodT Ts; |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
612 |
val U = mk_type thy prfx elty; |
41561 | 613 |
fun mk_idx' T (e, NONE) = HOLogic.mk_set T [fst (tm_of vs e)] |
614 |
| mk_idx' T (e, SOME e') = Const (@{const_name atLeastAtMost}, |
|
615 |
T --> T --> HOLogic.mk_setT T) $ |
|
616 |
fst (tm_of vs e) $ fst (tm_of vs e'); |
|
617 |
fun mk_idx idx = |
|
618 |
if length Ts <> length idx then |
|
619 |
error ("Arity mismatch in construction of array " ^ s) |
|
620 |
else foldr1 mk_times (map2 mk_idx' Ts idx); |
|
621 |
fun mk_upd (idxs, e) t = |
|
622 |
if length idxs = 1 andalso forall (is_none o snd) (hd idxs) |
|
623 |
then |
|
624 |
Const (@{const_name fun_upd}, (T --> U) --> |
|
625 |
T --> U --> T --> U) $ t $ |
|
626 |
foldl1 HOLogic.mk_prod |
|
627 |
(map (fst o tm_of vs o fst) (hd idxs)) $ |
|
628 |
fst (tm_of vs e) |
|
629 |
else |
|
630 |
Const (@{const_name fun_upds}, (T --> U) --> |
|
631 |
HOLogic.mk_setT T --> U --> T --> U) $ t $ |
|
632 |
foldl1 (HOLogic.mk_binop @{const_name sup}) |
|
633 |
(map mk_idx idxs) $ |
|
634 |
fst (tm_of vs e) |
|
635 |
in |
|
636 |
(fold mk_upd assocs |
|
637 |
(case default of |
|
638 |
SOME e => Abs ("x", T, fst (tm_of vs e)) |
|
639 |
| NONE => Const (@{const_name undefined}, T --> U)), |
|
640 |
s) |
|
641 |
end |
|
642 |
| _ => error (s ^ " is not an array type")) |
|
643 |
||
644 |
in tm_of end; |
|
645 |
||
646 |
||
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
647 |
fun term_of_rule thy prfx types pfuns ids rule = |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
648 |
let val tm_of = fst o term_of_expr thy prfx types pfuns ids |
41561 | 649 |
in case rule of |
650 |
Inference_Rule (es, e) => Logic.list_implies |
|
651 |
(map (HOLogic.mk_Trueprop o tm_of) es, HOLogic.mk_Trueprop (tm_of e)) |
|
652 |
| Substitution_Rule (es, e, e') => Logic.list_implies |
|
653 |
(map (HOLogic.mk_Trueprop o tm_of) es, |
|
654 |
HOLogic.mk_Trueprop (HOLogic.mk_eq (tm_of e, tm_of e'))) |
|
655 |
end; |
|
656 |
||
657 |
||
658 |
val builtin = Symtab.make (map (rpair ()) |
|
659 |
["->", "<->", "or", "and", "not", "=", "<>", "<", ">", "<=", ">=", |
|
660 |
"+", "-", "*", "/", "div", "mod", "**"]); |
|
661 |
||
662 |
fun complex_expr (Number _) = false |
|
663 |
| complex_expr (Ident _) = false |
|
664 |
| complex_expr (Funct (s, es)) = |
|
665 |
not (Symtab.defined builtin s) orelse exists complex_expr es |
|
666 |
| complex_expr (Quantifier (_, _, _, e)) = complex_expr e |
|
667 |
| complex_expr _ = true; |
|
668 |
||
669 |
fun complex_rule (Inference_Rule (es, e)) = |
|
670 |
complex_expr e orelse exists complex_expr es |
|
671 |
| complex_rule (Substitution_Rule (es, e, e')) = |
|
672 |
complex_expr e orelse complex_expr e' orelse |
|
673 |
exists complex_expr es; |
|
674 |
||
675 |
val is_pfun = |
|
676 |
Symtab.defined builtin orf |
|
677 |
can (unprefix "fld_") orf can (unprefix "upf_") orf |
|
678 |
can (unsuffix "__pos") orf can (unsuffix "__val") orf |
|
679 |
equal "succ" orf equal "pred"; |
|
680 |
||
681 |
fun fold_opt f = the_default I o Option.map f; |
|
682 |
fun fold_pair f g (x, y) = f x #> g y; |
|
683 |
||
684 |
fun fold_expr f g (Funct (s, es)) = f s #> fold (fold_expr f g) es |
|
685 |
| fold_expr f g (Ident s) = g s |
|
686 |
| fold_expr f g (Number _) = I |
|
687 |
| fold_expr f g (Quantifier (_, _, _, e)) = fold_expr f g e |
|
688 |
| fold_expr f g (Element (e, es)) = |
|
689 |
fold_expr f g e #> fold (fold_expr f g) es |
|
690 |
| fold_expr f g (Update (e, es, e')) = |
|
691 |
fold_expr f g e #> fold (fold_expr f g) es #> fold_expr f g e' |
|
692 |
| fold_expr f g (Record (_, flds)) = fold (fold_expr f g o snd) flds |
|
693 |
| fold_expr f g (Array (_, default, assocs)) = |
|
694 |
fold_opt (fold_expr f g) default #> |
|
695 |
fold (fold_pair |
|
696 |
(fold (fold (fold_pair |
|
697 |
(fold_expr f g) (fold_opt (fold_expr f g))))) |
|
698 |
(fold_expr f g)) assocs; |
|
699 |
||
42499
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
700 |
fun add_expr_pfuns funs = fold_expr |
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
701 |
(fn s => if is_pfun s then I else insert (op =) s) |
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
702 |
(fn s => if is_none (lookup funs s) then I else insert (op =) s); |
41561 | 703 |
|
704 |
val add_expr_idents = fold_expr (K I) (insert (op =)); |
|
705 |
||
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
706 |
fun pfun_type thy prfx (argtys, resty) = |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
707 |
map (mk_type thy prfx) argtys ---> mk_type thy prfx resty; |
41561 | 708 |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
709 |
fun check_pfun_type thy prfx s t optty1 optty2 = |
41561 | 710 |
let |
711 |
val T = fastype_of t; |
|
712 |
fun check ty = |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
713 |
let val U = pfun_type thy prfx ty |
41561 | 714 |
in |
715 |
T = U orelse |
|
716 |
error ("Type\n" ^ |
|
717 |
Syntax.string_of_typ_global thy T ^ |
|
718 |
"\nof function " ^ |
|
719 |
Syntax.string_of_term_global thy t ^ |
|
720 |
" associated with proof function " ^ s ^ |
|
721 |
"\ndoes not match declared type\n" ^ |
|
722 |
Syntax.string_of_typ_global thy U) |
|
723 |
end |
|
724 |
in (Option.map check optty1; Option.map check optty2; ()) end; |
|
725 |
||
726 |
fun upd_option x y = if is_some x then x else y; |
|
727 |
||
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
728 |
fun check_pfuns_types thy prfx funs = |
41561 | 729 |
Symtab.map (fn s => fn (optty, t) => |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
730 |
let val optty' = lookup funs |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
731 |
(if prfx = "" then s |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
732 |
else unprefix (prfx ^ "__") s handle Fail _ => s) |
41561 | 733 |
in |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
734 |
(check_pfun_type thy prfx s t optty optty'; |
41561 | 735 |
(NONE |> upd_option optty |> upd_option optty', t)) |
736 |
end); |
|
737 |
||
738 |
||
739 |
(** the VC store **) |
|
740 |
||
741 |
fun err_vcs names = error (Pretty.string_of |
|
742 |
(Pretty.big_list "The following verification conditions have not been proved:" |
|
743 |
(map Pretty.str names))) |
|
744 |
||
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
745 |
fun set_env (env as {funs, prefix, ...}) thy = VCs.map (fn |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
746 |
{pfuns, type_map, env = NONE} => |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
747 |
{pfuns = check_pfuns_types thy prefix funs pfuns, |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
748 |
type_map = type_map, |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
749 |
env = SOME env} |
41561 | 750 |
| _ => err_unfinished ()) thy; |
751 |
||
752 |
fun mk_pat s = (case Int.fromString s of |
|
753 |
SOME i => [HOLogic.mk_Trueprop (Var (("C", i), HOLogic.boolT))] |
|
754 |
| NONE => error ("Bad conclusion identifier: C" ^ s)); |
|
755 |
||
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
756 |
fun mk_vc thy prfx types pfuns ids (tr, proved, ps, cs) = |
41561 | 757 |
let val prop_of = |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
758 |
HOLogic.mk_Trueprop o fst o term_of_expr thy prfx types pfuns ids |
41561 | 759 |
in |
760 |
(tr, proved, |
|
761 |
Element.Assumes (map (fn (s', e) => |
|
762 |
((Binding.name ("H" ^ s'), []), [(prop_of e, [])])) ps), |
|
763 |
Element.Shows (map (fn (s', e) => |
|
764 |
(Attrib.empty_binding, [(prop_of e, mk_pat s')])) cs)) |
|
765 |
end; |
|
766 |
||
767 |
fun fold_vcs f vcs = |
|
768 |
VCtab.fold (fn (_, (_, _, ps, cs)) => fold f ps #> fold f cs) vcs; |
|
769 |
||
42499
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
770 |
fun pfuns_of_vcs prfx funs pfuns vcs = |
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
771 |
fold_vcs (add_expr_pfuns funs o snd) vcs [] |> |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
772 |
filter (is_none o lookup_prfx prfx pfuns); |
41561 | 773 |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
774 |
fun declare_missing_pfuns thy prfx funs pfuns vcs (tab, ctxt) = |
41561 | 775 |
let |
776 |
val (fs, (tys, Ts)) = |
|
42499
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
777 |
pfuns_of_vcs prfx funs pfuns vcs |> |
41561 | 778 |
map_filter (fn s => lookup funs s |> |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
779 |
Option.map (fn ty => (s, (SOME ty, pfun_type thy prfx ty)))) |> |
41561 | 780 |
split_list ||> split_list; |
43326
47cf4bc789aa
simplified Name.variant -- discontinued builtin fold_map;
wenzelm
parents:
42499
diff
changeset
|
781 |
val (fs', ctxt') = fold_map Name.variant fs ctxt |
41561 | 782 |
in |
783 |
(fold Symtab.update_new (fs ~~ (tys ~~ map Free (fs' ~~ Ts))) pfuns, |
|
784 |
Element.Fixes (map2 (fn s => fn T => |
|
785 |
(Binding.name s, SOME T, NoSyn)) fs' Ts), |
|
786 |
(tab, ctxt')) |
|
787 |
end; |
|
788 |
||
789 |
fun add_proof_fun prep (s, (optty, raw_t)) thy = |
|
790 |
VCs.map (fn |
|
791 |
{env = SOME {proving = true, ...}, ...} => err_unfinished () |
|
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
792 |
| {pfuns, type_map, env} => |
41561 | 793 |
let |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
794 |
val (optty', prfx) = (case env of |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
795 |
SOME {funs, prefix, ...} => (lookup funs s, prefix) |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
796 |
| NONE => (NONE, "")); |
41561 | 797 |
val optty'' = NONE |> upd_option optty |> upd_option optty'; |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
798 |
val t = prep (Option.map (pfun_type thy prfx) optty'') raw_t; |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
799 |
val _ = (case fold_aterms (fn u => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
800 |
if is_Var u orelse is_Free u then insert (op =) u else I) t [] of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
801 |
[] => () |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
802 |
| ts => error ("Term\n" ^ Syntax.string_of_term_global thy t ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
803 |
"\nto be associated with proof function " ^ s ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
804 |
" contains free variable(s) " ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
805 |
commas (map (Syntax.string_of_term_global thy) ts))); |
41561 | 806 |
in |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
807 |
(check_pfun_type thy prfx s t optty optty'; |
41561 | 808 |
if is_some optty'' orelse is_none env then |
809 |
{pfuns = Symtab.update_new (s, (optty'', t)) pfuns, |
|
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
810 |
type_map = type_map, |
41561 | 811 |
env = env} |
812 |
handle Symtab.DUP _ => error ("Proof function " ^ s ^ |
|
813 |
" already associated with function") |
|
814 |
else error ("Undeclared proof function " ^ s)) |
|
815 |
end) thy; |
|
816 |
||
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
817 |
fun add_type (s, T as Type (tyname, Ts)) thy = |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
818 |
thy |> |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
819 |
VCs.map (fn |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
820 |
{env = SOME _, ...} => err_unfinished () |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
821 |
| {pfuns, type_map, env} => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
822 |
{pfuns = pfuns, |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
823 |
type_map = Symtab.update_new (s, T) type_map, |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
824 |
env = env} |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
825 |
handle Symtab.DUP _ => error ("SPARK type " ^ s ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
826 |
" already associated with type")) |> |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
827 |
(fn thy' => |
45906 | 828 |
case Datatype.get_constrs thy' tyname of |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
829 |
NONE => thy' |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
830 |
| SOME cs => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
831 |
if null Ts then |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
832 |
(map |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
833 |
(fn (_, Type (_, [])) => () |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
834 |
| (cname, _) => assoc_ty_err thy T s |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
835 |
("has illegal constructor " ^ |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
836 |
Long_Name.base_name cname)) cs; |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
837 |
add_enum_type s tyname thy') |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
838 |
else assoc_ty_err thy T s "is illegal") |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
839 |
| add_type (s, T) thy = assoc_ty_err thy T s "is illegal"; |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
840 |
|
41561 | 841 |
val is_closed = is_none o #env o VCs.get; |
842 |
||
843 |
fun lookup_vc thy name = |
|
844 |
(case VCs.get thy of |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
845 |
{env = SOME {vcs, types, funs, ids, ctxt, prefix, ...}, pfuns, ...} => |
41561 | 846 |
(case VCtab.lookup vcs name of |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
847 |
SOME vc => |
41561 | 848 |
let val (pfuns', ctxt', ids') = |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
849 |
declare_missing_pfuns thy prefix funs pfuns vcs ids |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
850 |
in SOME (ctxt @ [ctxt'], mk_vc thy prefix types pfuns' ids' vc) end |
41561 | 851 |
| NONE => NONE) |
852 |
| _ => NONE); |
|
853 |
||
854 |
fun get_vcs thy = (case VCs.get thy of |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
855 |
{env = SOME {vcs, types, funs, ids, ctxt, defs, prefix, ...}, pfuns, ...} => |
41561 | 856 |
let val (pfuns', ctxt', ids') = |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
857 |
declare_missing_pfuns thy prefix funs pfuns vcs ids |
41561 | 858 |
in |
859 |
(ctxt @ [ctxt'], defs, |
|
860 |
VCtab.dest vcs |> |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
861 |
map (apsnd (mk_vc thy prefix types pfuns' ids'))) |
41561 | 862 |
end |
863 |
| _ => ([], [], [])); |
|
864 |
||
41896
582cccdda0ed
spark_end now joins proofs of VCs before writing *.prv file.
berghofe
parents:
41878
diff
changeset
|
865 |
fun mark_proved name thms = VCs.map (fn |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
866 |
{pfuns, type_map, |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
867 |
env = SOME {ctxt, defs, types, funs, ids, vcs, path, prefix, ...}} => |
41561 | 868 |
{pfuns = pfuns, |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
869 |
type_map = type_map, |
41561 | 870 |
env = SOME {ctxt = ctxt, defs = defs, |
871 |
types = types, funs = funs, ids = ids, |
|
872 |
proving = true, |
|
873 |
vcs = VCtab.map_entry name (fn (trace, _, ps, cs) => |
|
41896
582cccdda0ed
spark_end now joins proofs of VCs before writing *.prv file.
berghofe
parents:
41878
diff
changeset
|
874 |
(trace, SOME thms, ps, cs)) vcs, |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
875 |
path = path, |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
876 |
prefix = prefix}} |
41561 | 877 |
| x => x); |
878 |
||
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
879 |
fun close thy = |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
880 |
thy |> |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
881 |
VCs.map (fn |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
882 |
{pfuns, type_map, env = SOME {vcs, path, ...}} => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
883 |
(case VCtab.fold_rev (fn vc as (_, (_, p, _, _)) => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
884 |
(if is_some p then apfst else apsnd) (cons vc)) vcs ([], []) of |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
885 |
(proved, []) => |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
886 |
(Thm.join_proofs (maps (the o #2 o snd) proved); |
45585
a6d9464a230b
discontinued slightly odd write_prv, which would still write .prv files the first time, and deprive add-on tools from date stamp change (cf. 157e74588c49);
wenzelm
parents:
45359
diff
changeset
|
887 |
File.write (Path.ext "prv" path) |
43703 | 888 |
(implode (map (fn (s, _) => snd (strip_number s) ^ |
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
889 |
" -- proved by " ^ Distribution.version ^ "\n") proved)); |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
890 |
{pfuns = pfuns, type_map = type_map, env = NONE}) |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
891 |
| (_, unproved) => err_vcs (map fst unproved)) |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
892 |
| _ => error "No SPARK environment is currently open") |> |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
893 |
Sign.parent_path; |
41561 | 894 |
|
895 |
||
896 |
(** set up verification conditions **) |
|
897 |
||
898 |
fun partition_opt f = |
|
899 |
let |
|
900 |
fun part ys zs [] = (rev ys, rev zs) |
|
901 |
| part ys zs (x :: xs) = (case f x of |
|
902 |
SOME y => part (y :: ys) zs xs |
|
903 |
| NONE => part ys (x :: zs) xs) |
|
904 |
in part [] [] end; |
|
905 |
||
906 |
fun dest_def (id, (Substitution_Rule ([], Ident s, rhs))) = SOME (id, (s, rhs)) |
|
907 |
| dest_def _ = NONE; |
|
908 |
||
909 |
fun mk_rulename (s, i) = Binding.name (s ^ string_of_int i); |
|
910 |
||
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
911 |
fun add_const prfx (s, ty) ((tab, ctxt), thy) = |
41561 | 912 |
let |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
913 |
val T = mk_type thy prfx ty; |
41561 | 914 |
val b = Binding.name s; |
915 |
val c = Const (Sign.full_name thy b, T) |
|
916 |
in |
|
917 |
(c, |
|
918 |
((Symtab.update (s, (c, ty)) tab, Name.declare s ctxt), |
|
919 |
Sign.add_consts_i [(b, T, NoSyn)] thy)) |
|
920 |
end; |
|
921 |
||
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
922 |
fun add_def prfx types pfuns consts (id, (s, e)) (ids as (tab, ctxt), thy) = |
41561 | 923 |
(case lookup consts s of |
924 |
SOME ty => |
|
925 |
let |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
926 |
val (t, ty') = term_of_expr thy prfx types pfuns ids e; |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
927 |
val T = mk_type thy prfx ty; |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
928 |
val T' = mk_type thy prfx ty'; |
41878
0778ade00b06
- Made sure that sort_defs is aware of constants introduced by add_type_def
berghofe
parents:
41635
diff
changeset
|
929 |
val _ = T = T' orelse |
41561 | 930 |
error ("Declared type " ^ ty ^ " of " ^ s ^ |
931 |
"\ndoes not match type " ^ ty' ^ " in definition"); |
|
932 |
val id' = mk_rulename id; |
|
933 |
val lthy = Named_Target.theory_init thy; |
|
934 |
val ((t', (_, th)), lthy') = Specification.definition |
|
935 |
(NONE, ((id', []), HOLogic.mk_Trueprop (HOLogic.mk_eq |
|
41878
0778ade00b06
- Made sure that sort_defs is aware of constants introduced by add_type_def
berghofe
parents:
41635
diff
changeset
|
936 |
(Free (s, T), t)))) lthy; |
42361 | 937 |
val phi = Proof_Context.export_morphism lthy' lthy |
41561 | 938 |
in |
939 |
((id', Morphism.thm phi th), |
|
940 |
((Symtab.update (s, (Morphism.term phi t', ty)) tab, |
|
941 |
Name.declare s ctxt), |
|
942 |
Local_Theory.exit_global lthy')) |
|
943 |
end |
|
944 |
| NONE => error ("Undeclared constant " ^ s)); |
|
945 |
||
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
946 |
fun add_var prfx (s, ty) (ids, thy) = |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
947 |
let val ([Free p], ids') = mk_variables thy prfx [s] ty ids |
41561 | 948 |
in (p, (ids', thy)) end; |
949 |
||
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
950 |
fun add_init_vars prfx vcs (ids_thy as ((tab, _), _)) = |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
951 |
fold_map (add_var prfx) |
41561 | 952 |
(map_filter |
953 |
(fn s => case try (unsuffix "~") s of |
|
954 |
SOME s' => (case Symtab.lookup tab s' of |
|
955 |
SOME (_, ty) => SOME (s, ty) |
|
956 |
| NONE => error ("Undeclared identifier " ^ s')) |
|
957 |
| NONE => NONE) |
|
958 |
(fold_vcs (add_expr_idents o snd) vcs [])) |
|
959 |
ids_thy; |
|
960 |
||
961 |
fun is_trivial_vc ([], [(_, Ident "true")]) = true |
|
962 |
| is_trivial_vc _ = false; |
|
963 |
||
964 |
fun rulenames rules = commas |
|
965 |
(map (fn ((s, i), _) => s ^ "(" ^ string_of_int i ^ ")") rules); |
|
966 |
||
967 |
(* sort definitions according to their dependency *) |
|
42499
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
968 |
fun sort_defs _ _ _ _ [] sdefs = rev sdefs |
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
969 |
| sort_defs prfx funs pfuns consts defs sdefs = |
41561 | 970 |
(case find_first (fn (_, (_, e)) => |
42499
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
971 |
forall (is_some o lookup_prfx prfx pfuns) |
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
972 |
(add_expr_pfuns funs e []) andalso |
41561 | 973 |
forall (fn id => |
974 |
member (fn (s, (_, (s', _))) => s = s') sdefs id orelse |
|
41878
0778ade00b06
- Made sure that sort_defs is aware of constants introduced by add_type_def
berghofe
parents:
41635
diff
changeset
|
975 |
consts id) |
41561 | 976 |
(add_expr_idents e [])) defs of |
42499
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
977 |
SOME d => sort_defs prfx funs pfuns consts |
41561 | 978 |
(remove (op =) d defs) (d :: sdefs) |
979 |
| NONE => error ("Bad definitions: " ^ rulenames defs)); |
|
980 |
||
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
981 |
fun set_vcs ({types, vars, consts, funs} : decls) |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
982 |
(rules, _) ((_, ident), vcs) path prfx thy = |
41561 | 983 |
let |
984 |
val {pfuns, ...} = VCs.get thy; |
|
41878
0778ade00b06
- Made sure that sort_defs is aware of constants introduced by add_type_def
berghofe
parents:
41635
diff
changeset
|
985 |
val (defs, rules') = partition_opt dest_def rules; |
41561 | 986 |
val consts' = |
41878
0778ade00b06
- Made sure that sort_defs is aware of constants introduced by add_type_def
berghofe
parents:
41635
diff
changeset
|
987 |
subtract (fn ((_, (s, _)), (s', _)) => s = s') defs (items consts); |
41561 | 988 |
(* ignore all complex rules in rls files *) |
989 |
val (rules'', other_rules) = |
|
990 |
List.partition (complex_rule o snd) rules'; |
|
991 |
val _ = if null rules'' then () |
|
992 |
else warning ("Ignoring rules: " ^ rulenames rules''); |
|
993 |
||
994 |
val vcs' = VCtab.make (maps (fn (tr, vcs) => |
|
41896
582cccdda0ed
spark_end now joins proofs of VCs before writing *.prv file.
berghofe
parents:
41878
diff
changeset
|
995 |
map (fn (s, (ps, cs)) => (s, (tr, NONE, ps, cs))) |
41561 | 996 |
(filter_out (is_trivial_vc o snd) vcs)) vcs); |
997 |
||
998 |
val _ = (case filter_out (is_some o lookup funs) |
|
42499
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
999 |
(pfuns_of_vcs prfx funs pfuns vcs') of |
41561 | 1000 |
[] => () |
1001 |
| fs => error ("Undeclared proof function(s) " ^ commas fs)); |
|
1002 |
||
1003 |
val (((defs', vars''), ivars), (ids, thy')) = |
|
1004 |
((Symtab.empty |> |
|
45740 | 1005 |
Symtab.update ("false", (@{term False}, booleanN)) |> |
1006 |
Symtab.update ("true", (@{term True}, booleanN)), |
|
42356
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
1007 |
Name.context), |
e8777e3ea6ef
Added command for associating user-defined types with SPARK types.
berghofe
parents:
41896
diff
changeset
|
1008 |
thy |> Sign.add_path (Long_Name.base_name ident)) |> |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
1009 |
fold (add_type_def prfx) (items types) |> |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
1010 |
fold (snd oo add_const prfx) consts' |> (fn ids_thy as ((tab, _), _) => |
41878
0778ade00b06
- Made sure that sort_defs is aware of constants introduced by add_type_def
berghofe
parents:
41635
diff
changeset
|
1011 |
ids_thy |> |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
1012 |
fold_map (add_def prfx types pfuns consts) |
42499
adfa6ad43ab6
Properly treat proof functions with no arguments.
berghofe
parents:
42440
diff
changeset
|
1013 |
(sort_defs prfx funs pfuns (Symtab.defined tab) defs []) ||>> |
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
1014 |
fold_map (add_var prfx) (items vars) ||>> |
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
1015 |
add_init_vars prfx vcs'); |
41561 | 1016 |
|
1017 |
val ctxt = |
|
1018 |
[Element.Fixes (map (fn (s, T) => |
|
1019 |
(Binding.name s, SOME T, NoSyn)) (vars'' @ ivars)), |
|
1020 |
Element.Assumes (map (fn (id, rl) => |
|
1021 |
((mk_rulename id, []), |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
1022 |
[(term_of_rule thy' prfx types pfuns ids rl, [])])) |
41561 | 1023 |
other_rules), |
42440
5e7a7343ab11
discontinuend obsolete Thm.definitionK, which was hardly ever well-defined;
wenzelm
parents:
42416
diff
changeset
|
1024 |
Element.Notes ("", [((Binding.name "defns", []), map (rpair [] o single o snd) defs')])] |
41561 | 1025 |
|
1026 |
in |
|
1027 |
set_env {ctxt = ctxt, defs = defs', types = types, funs = funs, |
|
42396
0869ce2006eb
Package prefix is now taken into account when looking up user-defined
berghofe
parents:
42361
diff
changeset
|
1028 |
ids = ids, proving = false, vcs = vcs', path = path, prefix = prfx} thy' |
41561 | 1029 |
end; |
1030 |
||
1031 |
end; |