author | haftmann |
Mon, 29 Sep 2008 12:32:00 +0200 | |
changeset 28403 | da9ae7774513 |
parent 28368 | 8437fb395294 |
child 28423 | 9fc3befd8191 |
permissions | -rw-r--r-- |
24219 | 1 |
(* Title: Pure/Isar/code.ML |
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ID: $Id$ |
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Author: Florian Haftmann, TU Muenchen |
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Abstract executable content of theory. Management of data dependent on |
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executable content. Cache assumes non-concurrent processing of a single theory. |
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*) |
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signature CODE = |
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sig |
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val add_eqn: thm -> theory -> theory |
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val add_nonlinear_eqn: thm -> theory -> theory |
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val add_liberal_eqn: thm -> theory -> theory |
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val add_default_eqn: thm -> theory -> theory |
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val add_default_eqn_attr: Attrib.src |
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val del_eqn: thm -> theory -> theory |
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val del_eqns: string -> theory -> theory |
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val add_eqnl: string * (thm * bool) list Susp.T -> theory -> theory |
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val map_pre: (MetaSimplifier.simpset -> MetaSimplifier.simpset) -> theory -> theory |
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val map_post: (MetaSimplifier.simpset -> MetaSimplifier.simpset) -> theory -> theory |
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val add_inline: thm -> theory -> theory |
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val del_inline: thm -> theory -> theory |
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val add_post: thm -> theory -> theory |
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val del_post: thm -> theory -> theory |
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val add_functrans: string * (theory -> thm list -> thm list option) -> theory -> theory |
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val del_functrans: string -> theory -> theory |
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val add_datatype: (string * typ) list -> theory -> theory |
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val add_datatype_cmd: string list -> theory -> theory |
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val type_interpretation: |
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(string * ((string * sort) list * (string * typ list) list) |
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-> theory -> theory) -> theory -> theory |
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val add_case: thm -> theory -> theory |
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val add_undefined: string -> theory -> theory |
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val purge_data: theory -> theory |
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val coregular_algebra: theory -> Sorts.algebra |
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val operational_algebra: theory -> (sort -> sort) * Sorts.algebra |
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val these_eqns: theory -> string -> (thm * bool) list |
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val get_datatype: theory -> string -> ((string * sort) list * (string * typ list) list) |
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val get_datatype_of_constr: theory -> string -> string option |
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val get_case_data: theory -> string -> (int * string list) option |
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val is_undefined: theory -> string -> bool |
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val default_typ: theory -> string -> (string * sort) list * typ |
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val preprocess_conv: cterm -> thm |
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val preprocess_term: theory -> term -> term |
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val postprocess_conv: cterm -> thm |
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val postprocess_term: theory -> term -> term |
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val add_attribute: string * (Args.T list -> attribute * Args.T list) -> theory -> theory |
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val print_codesetup: theory -> unit |
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end; |
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signature CODE_DATA_ARGS = |
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sig |
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type T |
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val empty: T |
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val purge: theory -> string list -> T -> T |
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end; |
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signature CODE_DATA = |
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sig |
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type T |
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val get: theory -> T |
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val change: theory -> (T -> T) -> T |
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val change_yield: theory -> (T -> 'a * T) -> 'a * T |
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end; |
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signature PRIVATE_CODE = |
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sig |
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include CODE |
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val declare_data: Object.T -> (theory -> string list -> Object.T -> Object.T) |
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-> serial |
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val get_data: serial * ('a -> Object.T) * (Object.T -> 'a) |
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-> theory -> 'a |
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val change_data: serial * ('a -> Object.T) * (Object.T -> 'a) |
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-> theory -> ('a -> 'a) -> 'a |
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val change_yield_data: serial * ('a -> Object.T) * (Object.T -> 'a) |
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-> theory -> ('a -> 'b * 'a) -> 'b * 'a |
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end; |
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structure Code : PRIVATE_CODE = |
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struct |
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(** code attributes **) |
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structure CodeAttr = TheoryDataFun ( |
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type T = (string * (Args.T list -> attribute * Args.T list)) list; |
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val empty = []; |
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val copy = I; |
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val extend = I; |
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fun merge _ = AList.merge (op = : string * string -> bool) (K true); |
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); |
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fun add_attribute (attr as (name, _)) = |
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let |
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fun add_parser ("", parser) attrs = attrs @ [("", parser)] |
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| add_parser (name, parser) attrs = (name, Args.$$$ name |-- parser) :: attrs; |
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fun error "" = error ("Code attribute already declared") |
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| error name = error ("Code attribute " ^ name ^ " already declared") |
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in CodeAttr.map (fn attrs => if AList.defined (op =) attrs name |
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then error name else add_parser attr attrs) |
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end; |
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val _ = |
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let |
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val code_attr = Attrib.syntax (Scan.peek (fn context => |
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List.foldr op || Scan.fail (map snd (CodeAttr.get (Context.theory_of context))))); |
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in |
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Context.>> (Context.map_theory |
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(Attrib.add_attributes |
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[("code", code_attr, "declare theorems for code generation")])) |
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end; |
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(** logical and syntactical specification of executable code **) |
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(* defining equations with linear flag, default flag and lazy theorems *) |
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fun pretty_lthms ctxt r = case Susp.peek r |
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of SOME thms => map (ProofContext.pretty_thm ctxt o fst) thms |
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| NONE => [Pretty.str "[...]"]; |
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fun certificate thy f r = |
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case Susp.peek r |
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of SOME thms => (Susp.value o burrow_fst (f thy)) thms |
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| NONE => let |
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val thy_ref = Theory.check_thy thy; |
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in Susp.delay (fn () => (burrow_fst (f (Theory.deref thy_ref)) o Susp.force) r) end; |
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fun add_drop_redundant (thm, linear) thms = |
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let |
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val thy = Thm.theory_of_thm thm; |
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val args_of = snd o strip_comb o fst o Logic.dest_equals o Thm.plain_prop_of; |
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val args = args_of thm; |
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val incr_idx = Logic.incr_indexes ([], Thm.maxidx_of thm + 1); |
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fun matches_args args' = length args <= length args' andalso |
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Pattern.matchess thy (args, (map incr_idx o curry Library.take (length args)) args'); |
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fun drop (thm', linear') = if (linear orelse not linear') |
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andalso matches_args (args_of thm') then |
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(warning ("Code generator: dropping redundant defining equation\n" ^ Display.string_of_thm thm'); true) |
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else false; |
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in (thm, linear) :: filter_out drop thms end; |
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fun add_thm _ thm (false, thms) = (false, Susp.map_force (add_drop_redundant thm) thms) |
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| add_thm true thm (true, thms) = (true, Susp.map_force (fn thms => thms @ [thm]) thms) |
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| add_thm false thm (true, thms) = (false, Susp.value [thm]); |
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fun add_lthms lthms _ = (false, lthms); |
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fun del_thm thm = (apsnd o Susp.map_force) (remove (eq_fst Thm.eq_thm_prop) (thm, true)); |
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fun merge_defthms ((true, _), defthms2) = defthms2 |
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| merge_defthms (defthms1 as (false, _), (true, _)) = defthms1 |
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| merge_defthms ((false, _), defthms2 as (false, _)) = defthms2; |
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(* syntactic datatypes *) |
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val eq_string = op = : string * string -> bool; |
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fun eq_dtyp ((vs1, cs1), (vs2, cs2)) = |
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gen_eq_set (eq_pair eq_string (gen_eq_set eq_string)) (vs1, vs2) |
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andalso gen_eq_set (eq_fst eq_string) (cs1, cs2); |
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fun merge_dtyps (tabs as (tab1, tab2)) = |
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let |
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fun join _ (cos as (_, cos2)) = if eq_dtyp cos then raise Symtab.SAME else cos2; |
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in Symtab.join join tabs end; |
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(* specification data *) |
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datatype spec = Spec of { |
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eqns: (bool * (thm * bool) list Susp.T) Symtab.table, |
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dtyps: ((string * sort) list * (string * typ list) list) Symtab.table, |
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cases: (int * string list) Symtab.table * unit Symtab.table |
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}; |
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fun mk_spec (eqns, (dtyps, cases)) = |
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Spec { eqns = eqns, dtyps = dtyps, cases = cases }; |
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fun map_spec f (Spec { eqns = eqns, dtyps = dtyps, cases = cases }) = |
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mk_spec (f (eqns, (dtyps, cases))); |
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fun merge_spec (Spec { eqns = eqns1, dtyps = dtyps1, cases = (cases1, undefs1) }, |
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Spec { eqns = eqns2, dtyps = dtyps2, cases = (cases2, undefs2) }) = |
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let |
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val eqns = Symtab.join (K merge_defthms) (eqns1, eqns2); |
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val dtyps = merge_dtyps (dtyps1, dtyps2); |
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val cases = (Symtab.merge (K true) (cases1, cases2), |
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Symtab.merge (K true) (undefs1, undefs2)); |
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in mk_spec (eqns, (dtyps, cases)) end; |
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(* pre- and postprocessor *) |
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datatype thmproc = Thmproc of { |
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pre: MetaSimplifier.simpset, |
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post: MetaSimplifier.simpset, |
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functrans: (string * (serial * (theory -> thm list -> thm list option))) list |
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}; |
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fun mk_thmproc ((pre, post), functrans) = |
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Thmproc { pre = pre, post = post, functrans = functrans }; |
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fun map_thmproc f (Thmproc { pre, post, functrans }) = |
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mk_thmproc (f ((pre, post), functrans)); |
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fun merge_thmproc (Thmproc { pre = pre1, post = post1, functrans = functrans1 }, |
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Thmproc { pre = pre2, post = post2, functrans = functrans2 }) = |
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let |
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val pre = MetaSimplifier.merge_ss (pre1, pre2); |
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val post = MetaSimplifier.merge_ss (post1, post2); |
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val functrans = AList.merge (op =) (eq_fst (op =)) (functrans1, functrans2); |
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in mk_thmproc ((pre, post), functrans) end; |
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datatype exec = Exec of { |
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thmproc: thmproc, |
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spec: spec |
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}; |
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(* code setup data *) |
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fun mk_exec (thmproc, spec) = |
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Exec { thmproc = thmproc, spec = spec }; |
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fun map_exec f (Exec { thmproc = thmproc, spec = spec }) = |
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mk_exec (f (thmproc, spec)); |
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fun merge_exec (Exec { thmproc = thmproc1, spec = spec1 }, |
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Exec { thmproc = thmproc2, spec = spec2 }) = |
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let |
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val thmproc = merge_thmproc (thmproc1, thmproc2); |
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val spec = merge_spec (spec1, spec2); |
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in mk_exec (thmproc, spec) end; |
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val empty_exec = mk_exec (mk_thmproc ((MetaSimplifier.empty_ss, MetaSimplifier.empty_ss), []), |
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mk_spec (Symtab.empty, (Symtab.empty, (Symtab.empty, Symtab.empty)))); |
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fun the_thmproc (Exec { thmproc = Thmproc x, ...}) = x; |
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fun the_spec (Exec { spec = Spec x, ...}) = x; |
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val the_eqns = #eqns o the_spec; |
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val the_dtyps = #dtyps o the_spec; |
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val the_cases = #cases o the_spec; |
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val map_thmproc = map_exec o apfst o map_thmproc; |
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val map_eqns = map_exec o apsnd o map_spec o apfst; |
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val map_dtyps = map_exec o apsnd o map_spec o apsnd o apfst; |
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val map_cases = map_exec o apsnd o map_spec o apsnd o apsnd; |
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247 |
(* data slots dependent on executable content *) |
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248 |
||
249 |
(*private copy avoids potential conflict of table exceptions*) |
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structure Datatab = TableFun(type key = int val ord = int_ord); |
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251 |
||
252 |
local |
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253 |
||
254 |
type kind = { |
|
255 |
empty: Object.T, |
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purge: theory -> string list -> Object.T -> Object.T |
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}; |
258 |
||
259 |
val kinds = ref (Datatab.empty: kind Datatab.table); |
|
260 |
val kind_keys = ref ([]: serial list); |
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261 |
||
262 |
fun invoke f k = case Datatab.lookup (! kinds) k |
|
263 |
of SOME kind => f kind |
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264 |
| NONE => sys_error "Invalid code data identifier"; |
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265 |
||
266 |
in |
|
267 |
||
27609 | 268 |
fun declare_data empty purge = |
24219 | 269 |
let |
270 |
val k = serial (); |
|
27609 | 271 |
val kind = {empty = empty, purge = purge}; |
24219 | 272 |
val _ = change kinds (Datatab.update (k, kind)); |
273 |
val _ = change kind_keys (cons k); |
|
274 |
in k end; |
|
275 |
||
27609 | 276 |
fun invoke_init k = invoke (fn kind => #empty kind) k; |
24219 | 277 |
|
27609 | 278 |
fun invoke_purge_all thy cs = |
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fold (fn k => Datatab.map_entry k |
27609 | 280 |
(invoke (fn kind => #purge kind thy cs) k)) (! kind_keys); |
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|
282 |
end; (*local*) |
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283 |
||
284 |
||
25312 | 285 |
(** theory store **) |
24219 | 286 |
|
287 |
local |
|
288 |
||
289 |
type data = Object.T Datatab.table; |
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val empty_data = Datatab.empty : data; |
24219 | 291 |
|
292 |
structure CodeData = TheoryDataFun |
|
293 |
( |
|
294 |
type T = exec * data ref; |
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27609 | 295 |
val empty = (empty_exec, ref empty_data); |
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fun copy (exec, data) = (exec, ref (! data)); |
297 |
val extend = copy; |
|
298 |
fun merge pp ((exec1, data1), (exec2, data2)) = |
|
27609 | 299 |
(merge_exec (exec1, exec2), ref empty_data); |
24219 | 300 |
); |
301 |
||
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val _ = Context.>> (Context.map_theory CodeData.init); |
24219 | 303 |
|
304 |
fun thy_data f thy = f ((snd o CodeData.get) thy); |
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305 |
||
306 |
fun get_ensure_init kind data_ref = |
|
307 |
case Datatab.lookup (! data_ref) kind |
|
308 |
of SOME x => x |
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27609 | 309 |
| NONE => let val y = invoke_init kind |
24219 | 310 |
in (change data_ref (Datatab.update (kind, y)); y) end; |
311 |
||
312 |
in |
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313 |
||
314 |
(* access to executable content *) |
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315 |
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val the_exec = fst o CodeData.get; |
24219 | 317 |
|
27983 | 318 |
fun complete_class_params thy cs = |
319 |
fold (fn c => case AxClass.inst_of_param thy c |
|
320 |
of NONE => insert (op =) c |
|
321 |
| SOME (c', _) => insert (op =) c' #> insert (op =) c) cs []; |
|
322 |
||
24219 | 323 |
fun map_exec_purge touched f thy = |
27609 | 324 |
CodeData.map (fn (exec, data) => (f exec, ref (case touched |
27983 | 325 |
of SOME cs => invoke_purge_all thy (complete_class_params thy cs) (! data) |
27609 | 326 |
| NONE => empty_data))) thy; |
24219 | 327 |
|
27675 | 328 |
val purge_data = (CodeData.map o apsnd) (K (ref empty_data)); |
329 |
||
24219 | 330 |
|
331 |
(* access to data dependent on abstract executable content *) |
|
332 |
||
333 |
fun get_data (kind, _, dest) = thy_data (get_ensure_init kind #> dest); |
|
334 |
||
335 |
fun change_data (kind, mk, dest) = |
|
336 |
let |
|
337 |
fun chnge data_ref f = |
|
338 |
let |
|
339 |
val data = get_ensure_init kind data_ref; |
|
340 |
val data' = f (dest data); |
|
341 |
in (change data_ref (Datatab.update (kind, mk data')); data') end; |
|
342 |
in thy_data chnge end; |
|
343 |
||
344 |
fun change_yield_data (kind, mk, dest) = |
|
345 |
let |
|
346 |
fun chnge data_ref f = |
|
347 |
let |
|
348 |
val data = get_ensure_init kind data_ref; |
|
349 |
val (x, data') = f (dest data); |
|
350 |
in (x, (change data_ref (Datatab.update (kind, mk data')); data')) end; |
|
351 |
in thy_data chnge end; |
|
352 |
||
353 |
end; (*local*) |
|
354 |
||
355 |
||
356 |
(* print executable content *) |
|
357 |
||
358 |
fun print_codesetup thy = |
|
359 |
let |
|
360 |
val ctxt = ProofContext.init thy; |
|
24844
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
361 |
val exec = the_exec thy; |
28368 | 362 |
fun pretty_eqn (s, (_, lthms)) = |
24219 | 363 |
(Pretty.block o Pretty.fbreaks) ( |
28143 | 364 |
Pretty.str s :: pretty_lthms ctxt lthms |
24219 | 365 |
); |
366 |
fun pretty_dtyp (s, []) = |
|
367 |
Pretty.str s |
|
368 |
| pretty_dtyp (s, cos) = |
|
369 |
(Pretty.block o Pretty.breaks) ( |
|
370 |
Pretty.str s |
|
371 |
:: Pretty.str "=" |
|
28403 | 372 |
:: separate (Pretty.str "|") (map (fn (c, []) => Pretty.str (Code_Unit.string_of_const thy c) |
24219 | 373 |
| (c, tys) => |
374 |
(Pretty.block o Pretty.breaks) |
|
28054 | 375 |
(Pretty.str (Code_Unit.string_of_const thy c) |
26947
133905a0c493
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26928
diff
changeset
|
376 |
:: Pretty.str "of" |
133905a0c493
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26928
diff
changeset
|
377 |
:: map (Pretty.quote o Syntax.pretty_typ_global thy) tys)) cos) |
24219 | 378 |
); |
27557
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
379 |
val pre = (#pre o the_thmproc) exec; |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
380 |
val post = (#post o the_thmproc) exec; |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
381 |
val functrans = (map fst o #functrans o the_thmproc) exec; |
28368 | 382 |
val eqns = the_eqns exec |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
383 |
|> Symtab.dest |
28054 | 384 |
|> (map o apfst) (Code_Unit.string_of_const thy) |
24219 | 385 |
|> sort (string_ord o pairself fst); |
386 |
val dtyps = the_dtyps exec |
|
387 |
|> Symtab.dest |
|
26947
133905a0c493
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26928
diff
changeset
|
388 |
|> map (fn (dtco, (vs, cos)) => |
133905a0c493
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26928
diff
changeset
|
389 |
(Syntax.string_of_typ_global thy (Type (dtco, map TFree vs)), cos)) |
24219 | 390 |
|> sort (string_ord o pairself fst) |
391 |
in |
|
392 |
(Pretty.writeln o Pretty.chunks) [ |
|
393 |
Pretty.block ( |
|
394 |
Pretty.str "defining equations:" |
|
395 |
:: Pretty.fbrk |
|
28368 | 396 |
:: (Pretty.fbreaks o map pretty_eqn) eqns |
24219 | 397 |
), |
27557
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
398 |
Pretty.block [ |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
399 |
Pretty.str "preprocessing simpset:", |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
400 |
Pretty.fbrk, |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
401 |
MetaSimplifier.pretty_ss pre |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
402 |
], |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
403 |
Pretty.block [ |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
404 |
Pretty.str "postprocessing simpset:", |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
405 |
Pretty.fbrk, |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
406 |
MetaSimplifier.pretty_ss post |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
407 |
], |
24219 | 408 |
Pretty.block ( |
27609 | 409 |
Pretty.str "function transformers:" |
24219 | 410 |
:: Pretty.fbrk |
27557
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
411 |
:: (Pretty.fbreaks o map Pretty.str) functrans |
25968 | 412 |
), |
413 |
Pretty.block ( |
|
24219 | 414 |
Pretty.str "datatypes:" |
415 |
:: Pretty.fbrk |
|
416 |
:: (Pretty.fbreaks o map pretty_dtyp) dtyps |
|
417 |
) |
|
418 |
] |
|
419 |
end; |
|
420 |
||
421 |
||
422 |
||
423 |
(** theorem transformation and certification **) |
|
424 |
||
28368 | 425 |
fun const_of thy = dest_Const o fst o strip_comb o fst o Logic.dest_equals o Thm.plain_prop_of; |
426 |
||
427 |
fun const_of_eqn thy = AxClass.unoverload_const thy o const_of thy; |
|
26970 | 428 |
|
28368 | 429 |
fun common_typ_eqns [] = [] |
430 |
| common_typ_eqns [thm] = [thm] |
|
431 |
| common_typ_eqns (thms as thm :: _) = (*FIXME is too general*) |
|
24219 | 432 |
let |
433 |
val thy = Thm.theory_of_thm thm; |
|
434 |
fun incr_thm thm max = |
|
435 |
let |
|
436 |
val thm' = incr_indexes max thm; |
|
437 |
val max' = Thm.maxidx_of thm' + 1; |
|
438 |
in (thm', max') end; |
|
439 |
val (thms', maxidx) = fold_map incr_thm thms 0; |
|
26970 | 440 |
val ty1 :: tys = map (snd o const_of thy) thms'; |
24219 | 441 |
fun unify ty env = Sign.typ_unify thy (ty1, ty) env |
442 |
handle Type.TUNIFY => |
|
443 |
error ("Type unificaton failed, while unifying defining equations\n" |
|
444 |
^ (cat_lines o map Display.string_of_thm) thms |
|
445 |
^ "\nwith types\n" |
|
28054 | 446 |
^ (cat_lines o map (Code_Unit.string_of_typ thy)) (ty1 :: tys)); |
24219 | 447 |
val (env, _) = fold unify tys (Vartab.empty, maxidx) |
448 |
val instT = Vartab.fold (fn (x_i, (sort, ty)) => |
|
449 |
cons (Thm.ctyp_of thy (TVar (x_i, sort)), Thm.ctyp_of thy ty)) env []; |
|
450 |
in map (Thm.instantiate (instT, [])) thms' end; |
|
451 |
||
452 |
fun certify_const thy const thms = |
|
453 |
let |
|
28368 | 454 |
fun cert thm = if const = const_of_eqn thy thm |
24219 | 455 |
then thm else error ("Wrong head of defining equation,\nexpected constant " |
28054 | 456 |
^ Code_Unit.string_of_const thy const ^ "\n" ^ Display.string_of_thm thm) |
24219 | 457 |
in map cert thms end; |
458 |
||
459 |
||
460 |
||
461 |
(** operational sort algebra and class discipline **) |
|
462 |
||
463 |
local |
|
464 |
||
465 |
fun aggr_neutr f y [] = y |
|
466 |
| aggr_neutr f y (x::xs) = aggr_neutr f (f y x) xs; |
|
467 |
||
468 |
fun aggregate f [] = NONE |
|
469 |
| aggregate f (x::xs) = SOME (aggr_neutr f x xs); |
|
470 |
||
25462 | 471 |
fun inter_sorts algebra = |
472 |
aggregate (map2 (curry (Sorts.inter_sort algebra))); |
|
24219 | 473 |
|
474 |
fun specific_constraints thy (class, tyco) = |
|
475 |
let |
|
476 |
val vs = Name.invents Name.context "" (Sign.arity_number thy tyco); |
|
24969 | 477 |
val classparams = (map fst o these o try (#params o AxClass.get_info thy)) class; |
28368 | 478 |
val eqns = classparams |
25597
34860182b250
moved instance parameter management from class.ML to axclass.ML
haftmann
parents:
25501
diff
changeset
|
479 |
|> map_filter (fn c => try (AxClass.param_of_inst thy) (c, tyco)) |
28368 | 480 |
|> map (Symtab.lookup ((the_eqns o the_exec) thy)) |
28350 | 481 |
|> (map o Option.map) (map fst o Susp.force o snd) |
24219 | 482 |
|> maps these |
28143 | 483 |
|> map (Thm.transfer thy); |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
484 |
fun sorts_of [Type (_, tys)] = map (snd o dest_TVar) tys |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
485 |
| sorts_of tys = map (snd o dest_TVar) tys; |
28368 | 486 |
val sorts = map (sorts_of o Sign.const_typargs thy o const_of thy) eqns; |
24219 | 487 |
in sorts end; |
488 |
||
25462 | 489 |
fun weakest_constraints thy algebra (class, tyco) = |
24219 | 490 |
let |
25462 | 491 |
val all_superclasses = Sorts.complete_sort algebra [class]; |
492 |
in case inter_sorts algebra (maps (fn class => specific_constraints thy (class, tyco)) all_superclasses) |
|
24219 | 493 |
of SOME sorts => sorts |
25462 | 494 |
| NONE => Sorts.mg_domain algebra tyco [class] |
24219 | 495 |
end; |
496 |
||
25462 | 497 |
fun strongest_constraints thy algebra (class, tyco) = |
24219 | 498 |
let |
499 |
val all_subclasses = class :: Graph.all_preds ((#classes o Sorts.rep_algebra) algebra) [class]; |
|
500 |
val inst_subclasses = filter (can (Sorts.mg_domain algebra tyco) o single) all_subclasses; |
|
25462 | 501 |
in case inter_sorts algebra (maps (fn class => specific_constraints thy (class, tyco)) inst_subclasses) |
24219 | 502 |
of SOME sorts => sorts |
503 |
| NONE => replicate |
|
25462 | 504 |
(Sign.arity_number thy tyco) (Sorts.minimize_sort algebra (Sorts.all_classes algebra)) |
505 |
end; |
|
506 |
||
507 |
fun get_algebra thy (class, tyco) = |
|
508 |
let |
|
509 |
val base_algebra = Sign.classes_of thy; |
|
510 |
in if can (Sorts.mg_domain base_algebra tyco) [class] |
|
511 |
then base_algebra |
|
512 |
else let |
|
513 |
val superclasses = Sorts.super_classes base_algebra class; |
|
514 |
val sorts = inter_sorts base_algebra |
|
515 |
(map_filter (fn class => try (Sorts.mg_domain base_algebra tyco) [class]) superclasses) |
|
516 |
|> the_default (replicate (Sign.arity_number thy tyco) []) |
|
517 |
in |
|
518 |
base_algebra |
|
26947
133905a0c493
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26928
diff
changeset
|
519 |
|> Sorts.add_arities (Syntax.pp_global thy) (tyco, [(class, sorts)]) |
25462 | 520 |
end |
24219 | 521 |
end; |
522 |
||
24837 | 523 |
fun gen_classparam_typ constr thy class (c, tyco) = |
24219 | 524 |
let |
25462 | 525 |
val algebra = get_algebra thy (class, tyco); |
24969 | 526 |
val cs = these (try (#params o AxClass.get_info thy) class); |
25462 | 527 |
val SOME ty = AList.lookup (op =) cs c; |
24969 | 528 |
val sort_args = Name.names (Name.declare Name.aT Name.context) Name.aT |
25462 | 529 |
(constr thy algebra (class, tyco)); |
24219 | 530 |
val ty_inst = Type (tyco, map TFree sort_args); |
531 |
in Logic.varifyT (map_type_tfree (K ty_inst) ty) end; |
|
532 |
||
533 |
fun retrieve_algebra thy operational = |
|
26947
133905a0c493
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26928
diff
changeset
|
534 |
Sorts.subalgebra (Syntax.pp_global thy) operational |
25462 | 535 |
(weakest_constraints thy (Sign.classes_of thy)) |
24219 | 536 |
(Sign.classes_of thy); |
537 |
||
538 |
in |
|
539 |
||
540 |
fun coregular_algebra thy = retrieve_algebra thy (K true) |> snd; |
|
541 |
fun operational_algebra thy = |
|
542 |
let |
|
543 |
fun add_iff_operational class = |
|
24928
3419943838f5
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24848
diff
changeset
|
544 |
can (AxClass.get_info thy) class ? cons class; |
24219 | 545 |
val operational_classes = fold add_iff_operational (Sign.all_classes thy) [] |
546 |
in retrieve_algebra thy (member (op =) operational_classes) end; |
|
547 |
||
24837 | 548 |
val classparam_weakest_typ = gen_classparam_typ weakest_constraints; |
549 |
val classparam_strongest_typ = gen_classparam_typ strongest_constraints; |
|
24219 | 550 |
|
28368 | 551 |
fun assert_eqn_linear (eqn as (thm, linear)) = |
552 |
if linear then eqn else Code_Unit.bad_thm |
|
553 |
("Duplicate variables on left hand side of defining equation:\n" |
|
554 |
^ Display.string_of_thm thm); |
|
555 |
||
556 |
fun assert_eqn_typ (thm, linear) = |
|
24219 | 557 |
let |
558 |
val thy = Thm.theory_of_thm thm; |
|
24837 | 559 |
fun check_typ_classparam tyco (c, thm) = |
24219 | 560 |
let |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
561 |
val SOME class = AxClass.class_of_param thy c; |
26970 | 562 |
val (_, ty) = const_of thy thm; |
24837 | 563 |
val ty_decl = classparam_weakest_typ thy class (c, tyco); |
564 |
val ty_strongest = classparam_strongest_typ thy class (c, tyco); |
|
24219 | 565 |
fun constrain thm = |
566 |
let |
|
567 |
val max = Thm.maxidx_of thm + 1; |
|
568 |
val ty_decl' = Logic.incr_tvar max ty_decl; |
|
26970 | 569 |
val (_, ty') = const_of thy thm; |
24219 | 570 |
val (env, _) = Sign.typ_unify thy (ty_decl', ty') (Vartab.empty, max); |
571 |
val instT = Vartab.fold (fn (x_i, (sort, ty)) => |
|
572 |
cons (Thm.ctyp_of thy (TVar (x_i, sort)), Thm.ctyp_of thy ty)) env []; |
|
573 |
in Thm.instantiate (instT, []) thm end; |
|
574 |
in if Sign.typ_instance thy (ty_strongest, ty) |
|
575 |
then if Sign.typ_instance thy (ty, ty_decl) |
|
576 |
then thm |
|
28054 | 577 |
else (warning ("Constraining type\n" ^ Code_Unit.string_of_typ thy ty |
24219 | 578 |
^ "\nof defining equation\n" |
26928 | 579 |
^ Display.string_of_thm thm |
24219 | 580 |
^ "\nto permitted most general type\n" |
28054 | 581 |
^ Code_Unit.string_of_typ thy ty_decl); |
24219 | 582 |
constrain thm) |
28054 | 583 |
else Code_Unit.bad_thm ("Type\n" ^ Code_Unit.string_of_typ thy ty |
24219 | 584 |
^ "\nof defining equation\n" |
26928 | 585 |
^ Display.string_of_thm thm |
24219 | 586 |
^ "\nis incompatible with permitted least general type\n" |
28054 | 587 |
^ Code_Unit.string_of_typ thy ty_strongest) |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
588 |
end; |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
589 |
fun check_typ_fun (c, thm) = |
24219 | 590 |
let |
26970 | 591 |
val (_, ty) = const_of thy thm; |
24219 | 592 |
val ty_decl = Sign.the_const_type thy c; |
593 |
in if Sign.typ_equiv thy (Type.strip_sorts ty_decl, Type.strip_sorts ty) |
|
594 |
then thm |
|
28054 | 595 |
else Code_Unit.bad_thm ("Type\n" ^ Code_Unit.string_of_typ thy ty |
24219 | 596 |
^ "\nof defining equation\n" |
26928 | 597 |
^ Display.string_of_thm thm |
24219 | 598 |
^ "\nis incompatible with declared function type\n" |
28054 | 599 |
^ Code_Unit.string_of_typ thy ty_decl) |
24219 | 600 |
end; |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
601 |
fun check_typ (c, thm) = |
25597
34860182b250
moved instance parameter management from class.ML to axclass.ML
haftmann
parents:
25501
diff
changeset
|
602 |
case AxClass.inst_of_param thy c |
24837 | 603 |
of SOME (c, tyco) => check_typ_classparam tyco (c, thm) |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
604 |
| NONE => check_typ_fun (c, thm); |
28368 | 605 |
val c = const_of_eqn thy thm; |
606 |
val thm' = check_typ (c, thm); |
|
607 |
in (thm', linear) end; |
|
24219 | 608 |
|
28368 | 609 |
fun mk_eqn linear = Code_Unit.error_thm |
610 |
(assert_eqn_typ o (if linear then assert_eqn_linear else I) o Code_Unit.mk_eqn); |
|
611 |
val mk_liberal_eqn = Code_Unit.warning_thm |
|
612 |
(assert_eqn_typ o assert_eqn_linear o Code_Unit.mk_eqn); |
|
613 |
val mk_syntactic_eqn = Code_Unit.warning_thm |
|
614 |
(assert_eqn_typ o Code_Unit.mk_eqn); |
|
615 |
val mk_default_eqn = Code_Unit.try_thm |
|
616 |
(assert_eqn_typ o assert_eqn_linear o Code_Unit.mk_eqn); |
|
24219 | 617 |
|
28143 | 618 |
end; (*local*) |
24219 | 619 |
|
620 |
||
621 |
(** interfaces and attributes **) |
|
622 |
||
24624
b8383b1bbae3
distinction between regular and default code theorems
haftmann
parents:
24585
diff
changeset
|
623 |
fun delete_force msg key xs = |
b8383b1bbae3
distinction between regular and default code theorems
haftmann
parents:
24585
diff
changeset
|
624 |
if AList.defined (op =) xs key then AList.delete (op =) key xs |
b8383b1bbae3
distinction between regular and default code theorems
haftmann
parents:
24585
diff
changeset
|
625 |
else error ("No such " ^ msg ^ ": " ^ quote key); |
b8383b1bbae3
distinction between regular and default code theorems
haftmann
parents:
24585
diff
changeset
|
626 |
|
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
627 |
fun get_datatype thy tyco = |
24844
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
628 |
case Symtab.lookup ((the_dtyps o the_exec) thy) tyco |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
629 |
of SOME spec => spec |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
630 |
| NONE => Sign.arity_number thy tyco |
24848 | 631 |
|> Name.invents Name.context Name.aT |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
632 |
|> map (rpair []) |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
633 |
|> rpair []; |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
634 |
|
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
635 |
fun get_datatype_of_constr thy c = |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
636 |
case (snd o strip_type o Sign.the_const_type thy) c |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
637 |
of Type (tyco, _) => if member (op =) |
24844
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
638 |
((the_default [] o Option.map (map fst o snd) o Symtab.lookup ((the_dtyps o the_exec) thy)) tyco) c |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
639 |
then SOME tyco else NONE |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
640 |
| _ => NONE; |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
641 |
|
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
642 |
fun get_constr_typ thy c = |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
643 |
case get_datatype_of_constr thy c |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
644 |
of SOME tyco => let |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
645 |
val (vs, cos) = get_datatype thy tyco; |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
646 |
val SOME tys = AList.lookup (op =) cos c; |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
647 |
val ty = tys ---> Type (tyco, map TFree vs); |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
648 |
in SOME (Logic.varifyT ty) end |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
649 |
| NONE => NONE; |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
650 |
|
24844
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
651 |
val get_case_data = Symtab.lookup o fst o the_cases o the_exec; |
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
652 |
|
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
653 |
val is_undefined = Symtab.defined o snd o the_cases o the_exec; |
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
654 |
|
28368 | 655 |
fun gen_add_eqn linear strict default thm thy = |
656 |
case (if strict then SOME o mk_eqn linear else mk_liberal_eqn) thm |
|
657 |
of SOME (thm, _) => |
|
28143 | 658 |
let |
28368 | 659 |
val c = const_of_eqn thy thm; |
28143 | 660 |
val _ = if strict andalso (is_some o AxClass.class_of_param thy) c |
661 |
then error ("Rejected polymorphic equation for overloaded constant:\n" |
|
662 |
^ Display.string_of_thm thm) |
|
663 |
else (); |
|
664 |
val _ = if strict andalso (is_some o get_datatype_of_constr thy) c |
|
665 |
then error ("Rejected equation for datatype constructor:\n" |
|
28368 | 666 |
^ Display.string_of_thm thm) |
28143 | 667 |
else (); |
668 |
in |
|
28368 | 669 |
(map_exec_purge (SOME [c]) o map_eqns) (Symtab.map_default |
670 |
(c, (true, Susp.value [])) (add_thm default (thm, linear))) thy |
|
24624
b8383b1bbae3
distinction between regular and default code theorems
haftmann
parents:
24585
diff
changeset
|
671 |
end |
b8383b1bbae3
distinction between regular and default code theorems
haftmann
parents:
24585
diff
changeset
|
672 |
| NONE => thy; |
b8383b1bbae3
distinction between regular and default code theorems
haftmann
parents:
24585
diff
changeset
|
673 |
|
28368 | 674 |
val add_eqn = gen_add_eqn true true false; |
675 |
val add_liberal_eqn = gen_add_eqn true false false; |
|
676 |
val add_default_eqn = gen_add_eqn true false true; |
|
677 |
val add_nonlinear_eqn = gen_add_eqn false true false; |
|
24219 | 678 |
|
28368 | 679 |
fun del_eqn thm thy = case mk_syntactic_eqn thm |
680 |
of SOME (thm, _) => let |
|
681 |
val c = const_of_eqn thy thm; |
|
682 |
in map_exec_purge (SOME [c]) (map_eqns |
|
683 |
(Symtab.map_entry c (del_thm thm))) thy |
|
28143 | 684 |
end |
685 |
| NONE => thy; |
|
24219 | 686 |
|
28368 | 687 |
fun del_eqns c = map_exec_purge (SOME [c]) |
688 |
(map_eqns (Symtab.map_entry c (K (false, Susp.value [])))); |
|
26021 | 689 |
|
28368 | 690 |
fun add_eqnl (c, lthms) thy = |
24219 | 691 |
let |
28143 | 692 |
val lthms' = certificate thy (fn thy => certify_const thy c) lthms; |
24219 | 693 |
(*FIXME must check compatibility with sort algebra; |
694 |
alas, naive checking results in non-termination!*) |
|
695 |
in |
|
28143 | 696 |
map_exec_purge (SOME [c]) |
28368 | 697 |
(map_eqns (Symtab.map_default (c, (true, Susp.value [])) |
28143 | 698 |
(add_lthms lthms'))) thy |
24219 | 699 |
end; |
700 |
||
28368 | 701 |
val add_default_eqn_attr = Attrib.internal (fn _ => Thm.declaration_attribute |
702 |
(fn thm => Context.mapping (add_default_eqn thm) I)); |
|
24219 | 703 |
|
25485 | 704 |
structure TypeInterpretation = InterpretationFun(type T = string * serial val eq = eq_snd (op =) : T * T -> bool); |
25462 | 705 |
|
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
706 |
fun add_datatype raw_cs thy = |
24219 | 707 |
let |
25597
34860182b250
moved instance parameter management from class.ML to axclass.ML
haftmann
parents:
25501
diff
changeset
|
708 |
val cs = map (fn c_ty as (_, ty) => (AxClass.unoverload_const thy c_ty, ty)) raw_cs; |
28054 | 709 |
val (tyco, vs_cos) = Code_Unit.constrset_of_consts thy cs; |
25462 | 710 |
val cs' = map fst (snd vs_cos); |
711 |
val purge_cs = case Symtab.lookup ((the_dtyps o the_exec) thy) tyco |
|
712 |
of SOME (vs, cos) => if null cos then NONE else SOME (cs' @ map fst cos) |
|
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
713 |
| NONE => NONE; |
24219 | 714 |
in |
715 |
thy |
|
25462 | 716 |
|> map_exec_purge purge_cs (map_dtyps (Symtab.update (tyco, vs_cos)) |
28368 | 717 |
#> map_eqns (fold (Symtab.delete_safe o fst) cs)) |
25485 | 718 |
|> TypeInterpretation.data (tyco, serial ()) |
24219 | 719 |
end; |
720 |
||
25485 | 721 |
fun type_interpretation f = TypeInterpretation.interpretation |
722 |
(fn (tyco, _) => fn thy => f (tyco, get_datatype thy tyco) thy); |
|
723 |
||
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
724 |
fun add_datatype_cmd raw_cs thy = |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
725 |
let |
28054 | 726 |
val cs = map (Code_Unit.read_bare_const thy) raw_cs; |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
727 |
in add_datatype cs thy end; |
24219 | 728 |
|
24844
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
729 |
fun add_case thm thy = |
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
730 |
let |
28054 | 731 |
val entry as (c, _) = Code_Unit.case_cert thm; |
24844
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
732 |
in |
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
733 |
(map_exec_purge (SOME [c]) o map_cases o apfst) (Symtab.update entry) thy |
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
734 |
end; |
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
735 |
|
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
736 |
fun add_undefined c thy = |
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
737 |
(map_exec_purge (SOME [c]) o map_cases o apsnd) (Symtab.update (c, ())) thy; |
98c006a30218
certificates for code generator case expressions
haftmann
parents:
24837
diff
changeset
|
738 |
|
27557
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
739 |
val map_pre = map_exec_purge NONE o map_thmproc o apfst o apfst; |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
740 |
val map_post = map_exec_purge NONE o map_thmproc o apfst o apsnd; |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
741 |
|
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
742 |
fun add_inline thm thy = (map_pre o MetaSimplifier.add_simp) |
28054 | 743 |
(Code_Unit.error_thm Code_Unit.mk_rew thm) thy; |
27557
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
744 |
(*fully applied in order to get right context for mk_rew!*) |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
745 |
|
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
746 |
fun del_inline thm thy = (map_pre o MetaSimplifier.del_simp) |
28054 | 747 |
(Code_Unit.error_thm Code_Unit.mk_rew thm) thy; |
27557
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
748 |
(*fully applied in order to get right context for mk_rew!*) |
24219 | 749 |
|
27557
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
750 |
fun add_post thm thy = (map_post o MetaSimplifier.add_simp) |
28054 | 751 |
(Code_Unit.error_thm Code_Unit.mk_rew thm) thy; |
27557
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
752 |
(*fully applied in order to get right context for mk_rew!*) |
24219 | 753 |
|
27557
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
754 |
fun del_post thm thy = (map_post o MetaSimplifier.del_simp) |
28054 | 755 |
(Code_Unit.error_thm Code_Unit.mk_rew thm) thy; |
27557
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
756 |
(*fully applied in order to get right context for mk_rew!*) |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
757 |
|
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
758 |
fun add_functrans (name, f) = |
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
759 |
(map_exec_purge NONE o map_thmproc o apsnd) |
24219 | 760 |
(AList.update (op =) (name, (serial (), f))); |
761 |
||
27557
151731493264
simpsets as pre/postprocessors; generic preprocessor now named function transformators
haftmann
parents:
26970
diff
changeset
|
762 |
fun del_functrans name = |
24219 | 763 |
(map_exec_purge NONE o map_thmproc o apsnd) |
27609 | 764 |
(delete_force "function transformer" name); |
24219 | 765 |
|
26463 | 766 |
val _ = Context.>> (Context.map_theory |
24219 | 767 |
(let |
768 |
fun mk_attribute f = Thm.declaration_attribute (fn thm => Context.mapping (f thm) I); |
|
769 |
fun add_simple_attribute (name, f) = |
|
770 |
add_attribute (name, Scan.succeed (mk_attribute f)); |
|
771 |
fun add_del_attribute (name, (add, del)) = |
|
772 |
add_attribute (name, Args.del |-- Scan.succeed (mk_attribute del) |
|
773 |
|| Scan.succeed (mk_attribute add)) |
|
774 |
in |
|
25462 | 775 |
TypeInterpretation.init |
28368 | 776 |
#> add_del_attribute ("func", (add_eqn, del_eqn)) |
777 |
#> add_simple_attribute ("nbe", add_nonlinear_eqn) |
|
24219 | 778 |
#> add_del_attribute ("inline", (add_inline, del_inline)) |
779 |
#> add_del_attribute ("post", (add_post, del_post)) |
|
26463 | 780 |
end)); |
24219 | 781 |
|
782 |
||
783 |
(** post- and preprocessing **) |
|
784 |
||
785 |
local |
|
786 |
||
27609 | 787 |
fun apply_functrans thy [] = [] |
28353 | 788 |
| apply_functrans thy (thms as (thm, _) :: _) = |
24219 | 789 |
let |
28368 | 790 |
val const = const_of_eqn thy thm; |
27609 | 791 |
val functrans = (map (fn (_, (_, f)) => f thy) o #functrans |
792 |
o the_thmproc o the_exec) thy; |
|
28353 | 793 |
val thms' = perhaps (perhaps_loop (perhaps_apply functrans)) (map fst thms); |
794 |
val thms'' = certify_const thy const thms'; |
|
28368 | 795 |
in map Code_Unit.add_linear thms'' end; |
24219 | 796 |
|
797 |
fun rhs_conv conv thm = |
|
798 |
let |
|
799 |
val thm' = (conv o Thm.rhs_of) thm; |
|
800 |
in Thm.transitive thm thm' end |
|
801 |
||
24837 | 802 |
fun term_of_conv thy f = |
803 |
Thm.cterm_of thy |
|
804 |
#> f |
|
805 |
#> Thm.prop_of |
|
806 |
#> Logic.dest_equals |
|
807 |
#> snd; |
|
808 |
||
24219 | 809 |
in |
810 |
||
811 |
fun preprocess thy thms = |
|
27582 | 812 |
let |
813 |
val pre = (Simplifier.theory_context thy o #pre o the_thmproc o the_exec) thy; |
|
814 |
in |
|
815 |
thms |
|
27609 | 816 |
|> apply_functrans thy |
28368 | 817 |
|> (map o apfst) (Code_Unit.rewrite_eqn pre) |
28350 | 818 |
(*FIXME - must check here: rewrite rule, defining equation, proper constant *) |
28353 | 819 |
|> (map o apfst) (AxClass.unoverload thy) |
28368 | 820 |
|> burrow_fst common_typ_eqns |
27582 | 821 |
end; |
26970 | 822 |
|
24219 | 823 |
|
824 |
fun preprocess_conv ct = |
|
825 |
let |
|
826 |
val thy = Thm.theory_of_cterm ct; |
|
27582 | 827 |
val pre = (Simplifier.theory_context thy o #pre o the_thmproc o the_exec) thy; |
24219 | 828 |
in |
829 |
ct |
|
27582 | 830 |
|> Simplifier.rewrite pre |
25597
34860182b250
moved instance parameter management from class.ML to axclass.ML
haftmann
parents:
25501
diff
changeset
|
831 |
|> rhs_conv (AxClass.unoverload_conv thy) |
24219 | 832 |
end; |
833 |
||
24837 | 834 |
fun preprocess_term thy = term_of_conv thy preprocess_conv; |
835 |
||
24219 | 836 |
fun postprocess_conv ct = |
837 |
let |
|
838 |
val thy = Thm.theory_of_cterm ct; |
|
27582 | 839 |
val post = (Simplifier.theory_context thy o #post o the_thmproc o the_exec) thy; |
24219 | 840 |
in |
841 |
ct |
|
25597
34860182b250
moved instance parameter management from class.ML to axclass.ML
haftmann
parents:
25501
diff
changeset
|
842 |
|> AxClass.overload_conv thy |
27582 | 843 |
|> rhs_conv (Simplifier.rewrite post) |
24219 | 844 |
end; |
845 |
||
24837 | 846 |
fun postprocess_term thy = term_of_conv thy postprocess_conv; |
847 |
||
24219 | 848 |
end; (*local*) |
849 |
||
25597
34860182b250
moved instance parameter management from class.ML to axclass.ML
haftmann
parents:
25501
diff
changeset
|
850 |
fun default_typ_proto thy c = case AxClass.inst_of_param thy c |
24837 | 851 |
of SOME (c, tyco) => classparam_weakest_typ thy ((the o AxClass.class_of_param thy) c) |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
852 |
(c, tyco) |> SOME |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
853 |
| NONE => (case AxClass.class_of_param thy c |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
854 |
of SOME class => SOME (Term.map_type_tvar |
24848 | 855 |
(K (TVar ((Name.aT, 0), [class]))) (Sign.the_const_type thy c)) |
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
856 |
| NONE => get_constr_typ thy c); |
24219 | 857 |
|
858 |
local |
|
859 |
||
28368 | 860 |
fun get_eqns thy const = |
861 |
Symtab.lookup ((the_eqns o the_exec) thy) const |
|
28143 | 862 |
|> Option.map (Susp.force o snd) |
24219 | 863 |
|> these |
28350 | 864 |
|> (map o apfst) (Thm.transfer thy); |
24219 | 865 |
|
866 |
in |
|
867 |
||
28368 | 868 |
fun these_eqns thy const = |
24219 | 869 |
let |
28368 | 870 |
val drop_refl = filter_out |
871 |
(is_equal o Term.fast_term_ord o Logic.dest_equals o Thm.plain_prop_of o fst); |
|
24219 | 872 |
in |
28368 | 873 |
get_eqns thy const |
28353 | 874 |
|> preprocess thy |
28368 | 875 |
|> drop_refl |
24219 | 876 |
end; |
877 |
||
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
haftmann
parents:
24283
diff
changeset
|
878 |
fun default_typ thy c = case default_typ_proto thy c |
28054 | 879 |
of SOME ty => Code_Unit.typscheme thy (c, ty) |
28368 | 880 |
| NONE => (case get_eqns thy c |
881 |
of (thm, _) :: _ => snd (Code_Unit.head_eqn (AxClass.unoverload thy thm)) |
|
28054 | 882 |
| [] => Code_Unit.typscheme thy (c, Sign.the_const_type thy c)); |
24219 | 883 |
|
884 |
end; (*local*) |
|
885 |
||
886 |
end; (*struct*) |
|
887 |
||
888 |
||
889 |
(** type-safe interfaces for data depedent on executable content **) |
|
890 |
||
891 |
functor CodeDataFun(Data: CODE_DATA_ARGS): CODE_DATA = |
|
892 |
struct |
|
893 |
||
894 |
type T = Data.T; |
|
895 |
exception Data of T; |
|
896 |
fun dest (Data x) = x |
|
897 |
||
898 |
val kind = Code.declare_data (Data Data.empty) |
|
27609 | 899 |
(fn thy => fn cs => fn Data x => Data (Data.purge thy cs x)); |
24219 | 900 |
|
901 |
val data_op = (kind, Data, dest); |
|
902 |
||
903 |
val get = Code.get_data data_op; |
|
904 |
val change = Code.change_data data_op; |
|
905 |
fun change_yield thy = Code.change_yield_data data_op thy; |
|
906 |
||
907 |
end; |
|
908 |
||
28143 | 909 |
structure Code : CODE = struct open Code; end; |