haftmann@39401: (* Title: Tools/Code/code_runtime.ML haftmann@28054: Author: Florian Haftmann, TU Muenchen haftmann@28054: haftmann@34028: Runtime services building on code generation into implementation language SML. haftmann@28054: *) haftmann@28054: haftmann@39401: signature CODE_RUNTIME = haftmann@28054: sig haftmann@34028: val target: string haftmann@39912: val value: Proof.context -> haftmann@39912: (Proof.context -> unit -> 'a) * ((unit -> 'a) -> Proof.context -> Proof.context) * string -> haftmann@39912: string * string -> 'a haftmann@39473: type 'a cookie = (Proof.context -> unit -> 'a) * ((unit -> 'a) -> Proof.context -> Proof.context) * string haftmann@39473: val dynamic_value: 'a cookie -> theory -> string option haftmann@39473: -> ((term -> term) -> 'a -> 'a) -> term -> string list -> 'a option haftmann@39473: val dynamic_value_strict: 'a cookie -> theory -> string option haftmann@39473: -> ((term -> term) -> 'a -> 'a) -> term -> string list -> 'a haftmann@39473: val dynamic_value_exn: 'a cookie -> theory -> string option haftmann@39473: -> ((term -> term) -> 'a -> 'a) -> term -> string list -> 'a Exn.result haftmann@39473: val static_value: 'a cookie -> theory -> string option haftmann@39473: -> ((term -> term) -> 'a -> 'a) -> string list -> term -> 'a option haftmann@39473: val static_value_strict: 'a cookie -> theory -> string option haftmann@39473: -> ((term -> term) -> 'a -> 'a) -> string list -> term -> 'a haftmann@39473: val static_value_exn: 'a cookie -> theory -> string option haftmann@39473: -> ((term -> term) -> 'a -> 'a) -> string list -> term -> 'a Exn.result haftmann@39473: val dynamic_holds_conv: conv haftmann@39473: val static_holds_conv: theory -> string list -> conv haftmann@40421: val code_reflect: (string * string list option) list -> string list -> string haftmann@40421: -> string option -> theory -> theory haftmann@39473: datatype truth = Holds haftmann@39473: val put_truth: (unit -> truth) -> Proof.context -> Proof.context haftmann@40150: val trace: bool Unsynchronized.ref haftmann@39816: val polyml_as_definition: (binding * typ) list -> Path.T list -> theory -> theory haftmann@28054: end; haftmann@28054: haftmann@39401: structure Code_Runtime : CODE_RUNTIME = haftmann@28054: struct haftmann@28054: haftmann@39473: open Basic_Code_Thingol; haftmann@39473: haftmann@39404: (** evaluation **) haftmann@33992: haftmann@39473: (* technical prerequisites *) haftmann@39473: haftmann@39473: val this = "Code_Runtime"; haftmann@39473: val s_truth = Long_Name.append this "truth"; haftmann@39473: val s_Holds = Long_Name.append this "Holds"; haftmann@39473: haftmann@34028: val target = "Eval"; haftmann@28054: haftmann@39473: datatype truth = Holds; haftmann@39422: haftmann@39473: val _ = Context.>> (Context.map_theory haftmann@39473: (Code_Target.extend_target (target, (Code_ML.target_SML, K I)) haftmann@39485: #> Code_Target.add_tyco_syntax target @{type_name prop} haftmann@39485: (SOME (0, (K o K o K) (Code_Printer.str s_truth))) haftmann@39485: #> Code_Target.add_const_syntax target @{const_name Code_Generator.holds} haftmann@39485: (SOME (Code_Printer.plain_const_syntax s_Holds)) haftmann@39473: #> Code_Target.add_reserved target this haftmann@39485: #> fold (Code_Target.add_reserved target) ["oo", "ooo", "oooo", "upto", "downto", "orf", "andf"])); haftmann@39485: (*avoid further pervasive infix names*) haftmann@39473: haftmann@40150: val trace = Unsynchronized.ref false; haftmann@40150: haftmann@39912: fun exec verbose code = haftmann@40150: (if ! trace then tracing code else (); haftmann@40257: ML_Context.exec (fn () => Secure.use_text ML_Env.local_context (0, "generated code") verbose code)); haftmann@39912: haftmann@39912: fun value ctxt (get, put, put_ml) (prelude, value) = haftmann@39912: let haftmann@39912: val code = (prelude haftmann@39912: ^ "\nval _ = Context.set_thread_data (SOME (Context.map_proof (" ^ put_ml haftmann@39912: ^ " (fn () => " ^ value ^ ")) (ML_Context.the_generic_context ())))"); haftmann@39912: val ctxt' = ctxt haftmann@39912: |> put (fn () => error ("Bad evaluation for " ^ quote put_ml)) haftmann@39912: |> Context.proof_map (exec false code); haftmann@39912: in get ctxt' () end; haftmann@39912: haftmann@39473: haftmann@39473: (* evaluation into target language values *) haftmann@39473: haftmann@39473: type 'a cookie = (Proof.context -> unit -> 'a) * ((unit -> 'a) -> Proof.context -> Proof.context) * string; haftmann@39473: haftmann@39605: fun reject_vars thy t = haftmann@39605: let haftmann@39605: val ctxt = ProofContext.init_global thy; haftmann@39605: in ((Sign.no_frees ctxt o Sign.no_vars ctxt o map_types (K dummyT)) t; t) end; haftmann@39605: haftmann@39485: fun obtain_serializer thy some_target = Code_Target.produce_code_for thy haftmann@39485: (the_default target some_target) NONE "Code" []; haftmann@39485: haftmann@39537: fun base_evaluator cookie serializer (naming : Code_Thingol.naming) thy program ((vs, ty), t) deps args = haftmann@39404: let haftmann@39404: val ctxt = ProofContext.init_global thy; haftmann@39473: val _ = if Code_Thingol.contains_dictvar t then haftmann@39473: error "Term to be evaluated contains free dictionaries" else (); haftmann@39473: val v' = Name.variant (map fst vs) "a"; haftmann@39473: val vs' = (v', []) :: vs haftmann@39473: val ty' = Code_Thingol.fun_tyco `%% [ITyVar v', ty]; haftmann@39473: val value_name = "Value.value.value" haftmann@39473: val program' = program haftmann@39473: |> Graph.new_node (value_name, haftmann@39473: Code_Thingol.Fun (Term.dummy_patternN, (((vs', ty'), [(([IVar NONE], t), (NONE, true))]), NONE))) haftmann@39473: |> fold (curry Graph.add_edge value_name) deps; haftmann@39485: val (program_code, [SOME value_name']) = serializer naming program' [value_name]; haftmann@39473: val value_code = space_implode " " haftmann@39473: (value_name' :: "()" :: map (enclose "(" ")") args); wenzelm@40235: in Exn.interruptible_capture (value ctxt cookie) (program_code, value_code) end; haftmann@39473: haftmann@39473: fun partiality_as_none e = SOME (Exn.release e) haftmann@39473: handle General.Match => NONE haftmann@39473: | General.Bind => NONE haftmann@39473: | General.Fail _ => NONE; haftmann@39473: haftmann@39473: fun dynamic_value_exn cookie thy some_target postproc t args = haftmann@39473: let haftmann@39605: val _ = reject_vars thy t; haftmann@39482: fun evaluator naming program ((_, vs_ty), t) deps = haftmann@39485: base_evaluator cookie (obtain_serializer thy some_target) naming thy program (vs_ty, t) deps args; haftmann@39473: in Code_Thingol.dynamic_eval_value thy (Exn.map_result o postproc) evaluator t end; haftmann@39473: haftmann@39473: fun dynamic_value_strict cookie thy some_target postproc t args = haftmann@39473: Exn.release (dynamic_value_exn cookie thy some_target postproc t args); haftmann@39473: haftmann@39473: fun dynamic_value cookie thy some_target postproc t args = haftmann@39473: partiality_as_none (dynamic_value_exn cookie thy some_target postproc t args); haftmann@39473: haftmann@39473: fun static_value_exn cookie thy some_target postproc consts = haftmann@39473: let haftmann@39485: val serializer = obtain_serializer thy some_target; haftmann@39482: fun evaluator naming program thy ((_, vs_ty), t) deps = haftmann@39485: base_evaluator cookie serializer naming thy program (vs_ty, t) deps []; haftmann@39605: in Code_Thingol.static_eval_value thy (Exn.map_result o postproc) consts evaluator o reject_vars thy end; haftmann@39473: haftmann@39473: fun static_value_strict cookie thy some_target postproc consts t = haftmann@39473: Exn.release (static_value_exn cookie thy some_target postproc consts t); haftmann@39473: haftmann@39473: fun static_value cookie thy some_target postproc consts t = haftmann@39473: partiality_as_none (static_value_exn cookie thy some_target postproc consts t); haftmann@39473: haftmann@39473: haftmann@39473: (* evaluation for truth or nothing *) haftmann@39473: wenzelm@39820: structure Truth_Result = Proof_Data wenzelm@39820: ( haftmann@39473: type T = unit -> truth haftmann@39473: fun init _ () = error "Truth_Result" haftmann@39473: ); haftmann@39473: val put_truth = Truth_Result.put; haftmann@39473: val truth_cookie = (Truth_Result.get, put_truth, Long_Name.append this "put_truth"); haftmann@39473: haftmann@39605: val reject_vars = fn thy => tap (reject_vars thy o Thm.term_of); haftmann@39605: haftmann@39485: fun check_holds serializer naming thy program vs_t deps ct = haftmann@39473: let haftmann@39473: val t = Thm.term_of ct; haftmann@39473: val _ = if fastype_of t <> propT haftmann@39473: then error ("Not a proposition: " ^ Syntax.string_of_term_global thy t) haftmann@39473: else (); haftmann@39473: val iff = Thm.cterm_of thy (Term.Const ("==", propT --> propT --> propT)); haftmann@39485: val result = case partiality_as_none (base_evaluator truth_cookie serializer naming thy program vs_t deps []) haftmann@39473: of SOME Holds => true haftmann@39473: | _ => false; haftmann@39473: in haftmann@39473: Thm.mk_binop iff ct (if result then @{cprop "PROP Code_Generator.holds"} else ct) haftmann@39473: end; haftmann@39473: haftmann@39473: val (_, raw_check_holds_oracle) = Context.>>> (Context.map_theory_result haftmann@39473: (Thm.add_oracle (Binding.name "holds_by_evaluation", haftmann@39485: fn (serializer, naming, thy, program, vs_t, deps, ct) => check_holds serializer naming thy program vs_t deps ct))); haftmann@39473: haftmann@39485: fun check_holds_oracle serializer naming thy program ((_, vs_ty), t) deps ct = haftmann@39485: raw_check_holds_oracle (serializer, naming, thy, program, (vs_ty, t), deps, ct); haftmann@39485: haftmann@39485: val dynamic_holds_conv = Conv.tap_thy (fn thy => Code_Thingol.dynamic_eval_conv thy haftmann@39605: (fn naming => check_holds_oracle (obtain_serializer thy NONE) naming thy) haftmann@39605: o reject_vars thy); haftmann@39473: haftmann@39485: fun static_holds_conv thy consts = haftmann@39485: let haftmann@39485: val serializer = obtain_serializer thy NONE; haftmann@39485: in haftmann@39485: Code_Thingol.static_eval_conv thy consts haftmann@39485: (fn naming => fn program => fn thy => check_holds_oracle serializer naming thy program) haftmann@39605: o reject_vars thy haftmann@39485: end; haftmann@39404: haftmann@39404: haftmann@39404: (** instrumentalization **) haftmann@39404: haftmann@38930: fun evaluation_code thy module_name tycos consts = haftmann@33992: let haftmann@36271: val (consts', (naming, program)) = Code_Thingol.consts_program thy false consts; haftmann@34028: val tycos' = map (the o Code_Thingol.lookup_tyco naming) tycos; haftmann@38921: val (ml_code, target_names) = Code_Target.produce_code_for thy haftmann@38933: target NONE module_name [] naming program (consts' @ tycos'); haftmann@34028: val (consts'', tycos'') = chop (length consts') target_names; haftmann@34028: val consts_map = map2 (fn const => fn NONE => haftmann@34028: error ("Constant " ^ (quote o Code.string_of_const thy) const haftmann@34028: ^ "\nhas a user-defined serialization") haftmann@34028: | SOME const'' => (const, const'')) consts consts'' haftmann@34028: val tycos_map = map2 (fn tyco => fn NONE => haftmann@34028: error ("Type " ^ (quote o Sign.extern_type thy) tyco haftmann@34028: ^ "\nhas a user-defined serialization") haftmann@34028: | SOME tyco'' => (tyco, tyco'')) tycos tycos''; haftmann@34028: in (ml_code, (tycos_map, consts_map)) end; haftmann@28054: haftmann@28054: haftmann@39404: (* by antiquotation *) haftmann@28054: haftmann@28054: local haftmann@28054: haftmann@38930: structure Code_Antiq_Data = Proof_Data haftmann@28054: ( haftmann@38930: type T = (string list * string list) * (bool haftmann@40421: * (string * (string * string) list) lazy); haftmann@40421: fun init _ = (([], []), (true, (Lazy.value ("", [])))); haftmann@28054: ); haftmann@28054: haftmann@38930: val is_first_occ = fst o snd o Code_Antiq_Data.get; haftmann@28054: haftmann@30962: fun register_code new_tycos new_consts ctxt = haftmann@28054: let haftmann@38930: val ((tycos, consts), _) = Code_Antiq_Data.get ctxt; haftmann@30962: val tycos' = fold (insert (op =)) new_tycos tycos; haftmann@30962: val consts' = fold (insert (op =)) new_consts consts; haftmann@38930: val acc_code = Lazy.lazy (fn () => haftmann@40421: evaluation_code (ProofContext.theory_of ctxt) "Code" tycos' consts' haftmann@40422: |> apsnd snd); haftmann@38930: in Code_Antiq_Data.put ((tycos', consts'), (false, acc_code)) ctxt end; haftmann@30962: haftmann@30962: fun register_const const = register_code [] [const]; haftmann@28054: haftmann@40421: fun print_const const all_struct_name consts_map = haftmann@30962: (Long_Name.append all_struct_name o the o AList.lookup (op =) consts_map) const; haftmann@30962: haftmann@40421: fun print_code is_first const ctxt = haftmann@30962: let haftmann@38930: val (_, (_, acc_code)) = Code_Antiq_Data.get ctxt; haftmann@40421: val (ml_code, consts_map) = Lazy.force acc_code; haftmann@40422: val ml_code = if is_first then ml_code else ""; haftmann@38930: val all_struct_name = "Isabelle"; haftmann@40421: in (ml_code, print_const const all_struct_name consts_map) end; haftmann@28054: haftmann@28054: in haftmann@28054: wenzelm@35019: fun ml_code_antiq raw_const background = haftmann@28054: let haftmann@31156: val const = Code.check_const (ProofContext.theory_of background) raw_const; haftmann@28054: val is_first = is_first_occ background; haftmann@28054: val background' = register_const const background; haftmann@40421: in (print_code is_first const, background') end; haftmann@30962: haftmann@28054: end; (*local*) haftmann@28054: haftmann@28054: haftmann@39404: (* reflection support *) haftmann@36470: haftmann@40421: fun check_datatype thy tyco some_consts = haftmann@36470: let haftmann@37448: val constrs = (map (fst o fst) o snd o Code.get_type thy) tyco; haftmann@40421: val _ = case some_consts haftmann@40421: of SOME consts => haftmann@40421: let haftmann@40421: val missing_constrs = subtract (op =) consts constrs; haftmann@40421: val _ = if null missing_constrs then [] haftmann@40421: else error ("Missing constructor(s) " ^ commas (map quote missing_constrs) haftmann@40421: ^ " for datatype " ^ quote tyco); haftmann@40421: val false_constrs = subtract (op =) constrs consts; haftmann@40421: val _ = if null false_constrs then [] haftmann@40421: else error ("Non-constructor(s) " ^ commas (map quote false_constrs) haftmann@40421: ^ " for datatype " ^ quote tyco) haftmann@40421: in () end haftmann@40421: | NONE => (); haftmann@40421: in (tyco, constrs) end; haftmann@36470: haftmann@36470: fun add_eval_tyco (tyco, tyco') thy = haftmann@36470: let haftmann@36470: val k = Sign.arity_number thy tyco; haftmann@40421: fun pr pr' _ [] = tyco' haftmann@40421: | pr pr' _ [ty] = haftmann@36470: Code_Printer.concat [pr' Code_Printer.BR ty, tyco'] haftmann@40421: | pr pr' _ tys = haftmann@36470: Code_Printer.concat [Code_Printer.enum "," "(" ")" (map (pr' Code_Printer.BR) tys), tyco'] haftmann@36470: in haftmann@36470: thy haftmann@38923: |> Code_Target.add_tyco_syntax target tyco (SOME (k, pr)) haftmann@36470: end; haftmann@36470: haftmann@36514: fun add_eval_constr (const, const') thy = haftmann@36514: let haftmann@36514: val k = Code.args_number thy const; haftmann@36514: fun pr pr' fxy ts = Code_Printer.brackify fxy haftmann@38922: (const' :: the_list (Code_Printer.tuplify pr' Code_Printer.BR (map fst ts))); haftmann@36514: in haftmann@36514: thy haftmann@38923: |> Code_Target.add_const_syntax target const (SOME (Code_Printer.simple_const_syntax (k, pr))) haftmann@36514: end; haftmann@36514: haftmann@38923: fun add_eval_const (const, const') = Code_Target.add_const_syntax target haftmann@36470: const (SOME (Code_Printer.simple_const_syntax (0, (K o K o K) const'))); haftmann@36470: haftmann@39912: fun process_reflection (code, (tyco_map, (constr_map, const_map))) module_name NONE thy = haftmann@38935: thy haftmann@38935: |> Code_Target.add_reserved target module_name haftmann@39912: |> Context.theory_map (exec true code) haftmann@38935: |> fold (add_eval_tyco o apsnd Code_Printer.str) tyco_map haftmann@38935: |> fold (add_eval_constr o apsnd Code_Printer.str) constr_map haftmann@38935: |> fold (add_eval_const o apsnd Code_Printer.str) const_map haftmann@39912: | process_reflection (code, _) _ (SOME file_name) thy = haftmann@36470: let wenzelm@37950: val preamble = wenzelm@37950: "(* Generated from " ^ Path.implode (Thy_Header.thy_path (Context.theory_name thy)) haftmann@36470: ^ "; DO NOT EDIT! *)"; haftmann@39912: val _ = File.write (Path.explode file_name) (preamble ^ "\n\n" ^ code); haftmann@36470: in haftmann@36470: thy haftmann@36470: end; haftmann@36470: haftmann@36470: fun gen_code_reflect prep_type prep_const raw_datatypes raw_functions module_name some_file thy = haftmann@36470: let haftmann@36470: val datatypes = map (fn (raw_tyco, raw_cos) => haftmann@40421: (prep_type thy raw_tyco, (Option.map o map) (prep_const thy) raw_cos)) raw_datatypes; haftmann@40421: val (tycos, constrs) = map_split (uncurry (check_datatype thy)) datatypes haftmann@40421: |> apsnd flat; haftmann@36470: val functions = map (prep_const thy) raw_functions; haftmann@36514: val result = evaluation_code thy module_name tycos (constrs @ functions) haftmann@36514: |> (apsnd o apsnd) (chop (length constrs)); haftmann@36470: in haftmann@36470: thy haftmann@39485: |> process_reflection result module_name some_file haftmann@36470: end; haftmann@36470: haftmann@39422: val code_reflect = gen_code_reflect Code_Target.cert_tyco (K I); haftmann@36470: val code_reflect_cmd = gen_code_reflect Code_Target.read_tyco Code.read_const; haftmann@36470: haftmann@36470: haftmann@28054: (** Isar setup **) haftmann@28054: haftmann@28054: val _ = ML_Context.add_antiq "code" (fn _ => Args.term >> ml_code_antiq); haftmann@28054: haftmann@36470: local haftmann@36470: haftmann@36470: val datatypesK = "datatypes"; haftmann@36470: val functionsK = "functions"; haftmann@36470: val fileK = "file"; haftmann@36470: val andK = "and" haftmann@36470: wenzelm@36960: val _ = List.app Keyword.keyword [datatypesK, functionsK]; haftmann@36470: wenzelm@36960: val parse_datatype = haftmann@40421: Parse.name --| Parse.$$$ "=" -- ((Parse.string >> (fn "*" => NONE | _ => Scan.fail ())) haftmann@40421: || ((Parse.term ::: (Scan.repeat (Parse.$$$ "|" |-- Parse.term))) >> SOME)); haftmann@36470: haftmann@36470: in haftmann@36470: haftmann@36470: val _ = wenzelm@36960: Outer_Syntax.command "code_reflect" "enrich runtime environment with generated code" wenzelm@36960: Keyword.thy_decl (Parse.name -- Scan.optional (Parse.$$$ datatypesK |-- (parse_datatype wenzelm@36960: ::: Scan.repeat (Parse.$$$ andK |-- parse_datatype))) [] wenzelm@36960: -- Scan.optional (Parse.$$$ functionsK |-- Scan.repeat1 Parse.name) [] wenzelm@36960: -- Scan.option (Parse.$$$ fileK |-- Parse.name) haftmann@36534: >> (fn (((module_name, raw_datatypes), raw_functions), some_file) => Toplevel.theory haftmann@36470: (code_reflect_cmd raw_datatypes raw_functions module_name some_file))); haftmann@36470: haftmann@36470: end; (*local*) haftmann@36470: haftmann@39816: haftmann@39816: (** using external SML files as substitute for proper definitions -- only for polyml! **) haftmann@39816: haftmann@39816: local haftmann@39816: wenzelm@39820: structure Loaded_Values = Theory_Data wenzelm@39820: ( haftmann@39816: type T = string list haftmann@39816: val empty = [] wenzelm@39820: fun merge data : T = Library.merge (op =) data haftmann@39816: val extend = I haftmann@39816: ); haftmann@39816: haftmann@39816: fun notify_val (string, value) = haftmann@39816: let haftmann@39816: val _ = #enterVal ML_Env.name_space (string, value); haftmann@39816: val _ = Context.>> ((Context.map_theory o Loaded_Values.map) (insert (op =) string)); haftmann@39816: in () end; haftmann@39816: haftmann@39816: fun abort _ = error "Only value bindings allowed."; haftmann@39816: haftmann@39816: val notifying_context : use_context = haftmann@39816: {tune_source = #tune_source ML_Env.local_context, haftmann@39816: name_space = haftmann@39816: {lookupVal = #lookupVal ML_Env.name_space, haftmann@39816: lookupType = #lookupType ML_Env.name_space, haftmann@39816: lookupFix = #lookupFix ML_Env.name_space, haftmann@39816: lookupStruct = #lookupStruct ML_Env.name_space, haftmann@39816: lookupSig = #lookupSig ML_Env.name_space, haftmann@39816: lookupFunct = #lookupFunct ML_Env.name_space, haftmann@39816: enterVal = notify_val, haftmann@39816: enterType = abort, haftmann@39816: enterFix = abort, haftmann@39816: enterStruct = abort, haftmann@39816: enterSig = abort, haftmann@39816: enterFunct = abort, haftmann@39816: allVal = #allVal ML_Env.name_space, haftmann@39816: allType = #allType ML_Env.name_space, haftmann@39816: allFix = #allFix ML_Env.name_space, haftmann@39816: allStruct = #allStruct ML_Env.name_space, haftmann@39816: allSig = #allSig ML_Env.name_space, haftmann@39816: allFunct = #allFunct ML_Env.name_space}, haftmann@39816: str_of_pos = #str_of_pos ML_Env.local_context, haftmann@39816: print = #print ML_Env.local_context, haftmann@39816: error = #error ML_Env.local_context}; haftmann@39816: haftmann@39816: in haftmann@39816: haftmann@39816: fun use_file filepath thy = haftmann@39816: let haftmann@39816: val thy' = Loaded_Values.put [] thy; haftmann@39816: val _ = Context.set_thread_data ((SOME o Context.Theory) thy'); haftmann@39816: val _ = Secure.use_text notifying_context haftmann@39816: (0, Path.implode filepath) false (File.read filepath); haftmann@39912: val thy'' = (Context.the_theory o the) (Context.thread_data ()); haftmann@39912: val names = Loaded_Values.get thy''; haftmann@40320: in (names, thy'') end; haftmann@39816: haftmann@39816: end; haftmann@39816: haftmann@39816: fun add_definiendum (ml_name, (b, T)) thy = haftmann@39816: thy haftmann@39816: |> Code_Target.add_reserved target ml_name haftmann@39816: |> Specification.axiomatization [(b, SOME T, NoSyn)] [] haftmann@39816: |-> (fn ([Const (const, _)], _) => haftmann@39816: Code_Target.add_const_syntax target const haftmann@39912: (SOME (Code_Printer.simple_const_syntax (0, (K o K o K o Code_Printer.str) ml_name))) haftmann@39912: #> tap (fn thy => Code_Target.produce_code thy [const] target NONE "Code" [])); haftmann@39816: haftmann@39816: fun process_file filepath (definienda, thy) = haftmann@39816: let haftmann@39816: val (ml_names, thy') = use_file filepath thy; haftmann@39816: val superfluous = subtract (fn ((name1, _), name2) => name1 = name2) definienda ml_names; haftmann@39816: val _ = if null superfluous then () haftmann@39816: else error ("Value binding(s) " ^ commas_quote superfluous haftmann@39816: ^ " found in external file " ^ quote (Path.implode filepath) haftmann@39816: ^ " not present among the given contants binding(s)."); haftmann@39816: val these_definienda = AList.make (the o AList.lookup (op =) definienda) ml_names; haftmann@39816: val thy'' = fold add_definiendum these_definienda thy'; haftmann@39816: val definienda' = fold (AList.delete (op =)) ml_names definienda; haftmann@39816: in (definienda', thy'') end; haftmann@39816: haftmann@39816: fun polyml_as_definition bTs filepaths thy = haftmann@39816: let haftmann@39816: val definienda = map (fn bT => ((Binding.name_of o fst) bT, bT)) bTs; haftmann@39816: val (remaining, thy') = fold process_file filepaths (definienda, thy); haftmann@39816: val _ = if null remaining then () haftmann@39816: else error ("Constant binding(s) " ^ commas_quote (map fst remaining) haftmann@39816: ^ " not present in external file(s)."); haftmann@39816: in thy' end; haftmann@39816: haftmann@28054: end; (*struct*)