author | haftmann |
Fri, 17 Sep 2010 08:41:07 +0200 | |
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(* Title: Tools/Code/code_runtime.ML |
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Author: Florian Haftmann, TU Muenchen |
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Runtime services building on code generation into implementation language SML. |
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*) |
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signature CODE_RUNTIME = |
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sig |
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val target: string |
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type 'a cookie = (Proof.context -> unit -> 'a) * ((unit -> 'a) -> Proof.context -> Proof.context) * string |
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val dynamic_value: 'a cookie -> theory -> string option |
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-> ((term -> term) -> 'a -> 'a) -> term -> string list -> 'a option |
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val dynamic_value_strict: 'a cookie -> theory -> string option |
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-> ((term -> term) -> 'a -> 'a) -> term -> string list -> 'a |
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val dynamic_value_exn: 'a cookie -> theory -> string option |
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-> ((term -> term) -> 'a -> 'a) -> term -> string list -> 'a Exn.result |
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val static_value: 'a cookie -> theory -> string option |
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-> ((term -> term) -> 'a -> 'a) -> string list -> term -> 'a option |
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val static_value_strict: 'a cookie -> theory -> string option |
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-> ((term -> term) -> 'a -> 'a) -> string list -> term -> 'a |
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val static_value_exn: 'a cookie -> theory -> string option |
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-> ((term -> term) -> 'a -> 'a) -> string list -> term -> 'a Exn.result |
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val dynamic_holds_conv: conv |
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val static_holds_conv: theory -> string list -> conv |
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val code_reflect: (string * string list) list -> string list -> string -> string option |
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-> theory -> theory |
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datatype truth = Holds |
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val put_truth: (unit -> truth) -> Proof.context -> Proof.context |
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end; |
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structure Code_Runtime : CODE_RUNTIME = |
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struct |
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open Basic_Code_Thingol; |
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Code_Runtime.value, corresponding to ML_Context.value; tuned
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(** evaluation **) |
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(* technical prerequisites *) |
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val this = "Code_Runtime"; |
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val s_truth = Long_Name.append this "truth"; |
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val s_Holds = Long_Name.append this "Holds"; |
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val target = "Eval"; |
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datatype truth = Holds; |
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val _ = Context.>> (Context.map_theory |
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(Code_Target.extend_target (target, (Code_ML.target_SML, K I)) |
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#> Code_Target.add_tyco_syntax target @{type_name prop} (SOME (0, (K o K o K) (Code_Printer.str s_truth))) |
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#> Code_Target.add_const_syntax target @{const_name Code_Generator.holds} (SOME (Code_Printer.plain_const_syntax s_Holds)) |
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#> Code_Target.add_reserved target this |
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#> fold (Code_Target.add_reserved target) ["oo", "ooo", "oooo", "upto", "downto", "orf", "andf"])); (*avoid further pervasive infix names*) |
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(* evaluation into target language values *) |
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type 'a cookie = (Proof.context -> unit -> 'a) * ((unit -> 'a) -> Proof.context -> Proof.context) * string; |
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fun base_evaluator cookie thy some_target naming program ((vs, ty), t) deps args = |
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let |
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val ctxt = ProofContext.init_global thy; |
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val _ = if Code_Thingol.contains_dictvar t then |
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error "Term to be evaluated contains free dictionaries" else (); |
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val v' = Name.variant (map fst vs) "a"; |
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val vs' = (v', []) :: vs |
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val ty' = Code_Thingol.fun_tyco `%% [ITyVar v', ty]; |
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val value_name = "Value.value.value" |
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val program' = program |
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|> Graph.new_node (value_name, |
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Code_Thingol.Fun (Term.dummy_patternN, (((vs', ty'), [(([IVar NONE], t), (NONE, true))]), NONE))) |
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|> fold (curry Graph.add_edge value_name) deps; |
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val (program_code, [SOME value_name']) = Code_Target.produce_code_for thy |
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(the_default target some_target) NONE "Code" [] naming program' [value_name]; |
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val value_code = space_implode " " |
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(value_name' :: "()" :: map (enclose "(" ")") args); |
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in Exn.capture (ML_Context.value ctxt cookie) (program_code, value_code) end; |
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fun partiality_as_none e = SOME (Exn.release e) |
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handle General.Match => NONE |
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| General.Bind => NONE |
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| General.Fail _ => NONE; |
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fun dynamic_value_exn cookie thy some_target postproc t args = |
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let |
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fun evaluator naming program ((_, vs_ty), t) deps = |
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base_evaluator cookie thy some_target naming program (vs_ty, t) deps args; |
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in Code_Thingol.dynamic_eval_value thy (Exn.map_result o postproc) evaluator t end; |
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fun dynamic_value_strict cookie thy some_target postproc t args = |
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Exn.release (dynamic_value_exn cookie thy some_target postproc t args); |
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fun dynamic_value cookie thy some_target postproc t args = |
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partiality_as_none (dynamic_value_exn cookie thy some_target postproc t args); |
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fun static_value_exn cookie thy some_target postproc consts = |
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let |
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fun evaluator naming program thy ((_, vs_ty), t) deps = |
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base_evaluator cookie thy some_target naming program (vs_ty, t) deps []; |
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in Code_Thingol.static_eval_value thy (Exn.map_result o postproc) consts evaluator end; |
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fun static_value_strict cookie thy some_target postproc consts t = |
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Exn.release (static_value_exn cookie thy some_target postproc consts t); |
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fun static_value cookie thy some_target postproc consts t = |
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partiality_as_none (static_value_exn cookie thy some_target postproc consts t); |
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(* evaluation for truth or nothing *) |
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structure Truth_Result = Proof_Data ( |
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type T = unit -> truth |
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fun init _ () = error "Truth_Result" |
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); |
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val put_truth = Truth_Result.put; |
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val truth_cookie = (Truth_Result.get, put_truth, Long_Name.append this "put_truth"); |
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fun check_holds thy naming program vs_t deps ct = |
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let |
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val t = Thm.term_of ct; |
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val _ = if fastype_of t <> propT |
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then error ("Not a proposition: " ^ Syntax.string_of_term_global thy t) |
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else (); |
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val iff = Thm.cterm_of thy (Term.Const ("==", propT --> propT --> propT)); |
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val result = case partiality_as_none (base_evaluator truth_cookie thy NONE naming program vs_t deps []) |
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of SOME Holds => true |
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| _ => false; |
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in |
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Thm.mk_binop iff ct (if result then @{cprop "PROP Code_Generator.holds"} else ct) |
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end; |
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val (_, raw_check_holds_oracle) = Context.>>> (Context.map_theory_result |
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(Thm.add_oracle (Binding.name "holds_by_evaluation", |
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fn (thy, naming, program, vs_t, deps, ct) => check_holds thy naming program vs_t deps ct))); |
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fun check_holds_oracle thy naming program ((_, vs_ty), t) deps ct = |
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raw_check_holds_oracle (thy, naming, program, (vs_ty, t), deps, ct); |
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val dynamic_holds_conv = Conv.tap_thy (fn thy => Code_Thingol.dynamic_eval_conv thy (check_holds_oracle thy)); |
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fun static_holds_conv thy consts = Code_Thingol.static_eval_conv thy consts |
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(fn naming => fn program => fn thy => check_holds_oracle thy naming program); |
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Code_Runtime.value, corresponding to ML_Context.value; tuned
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changeset
|
143 |
|
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Code_Runtime.value, corresponding to ML_Context.value; tuned
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changeset
|
144 |
|
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Code_Runtime.value, corresponding to ML_Context.value; tuned
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|
145 |
(** instrumentalization **) |
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Code_Runtime.value, corresponding to ML_Context.value; tuned
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changeset
|
146 |
|
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|
147 |
fun evaluation_code thy module_name tycos consts = |
33992 | 148 |
let |
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149 |
val (consts', (naming, program)) = Code_Thingol.consts_program thy false consts; |
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|
150 |
val tycos' = map (the o Code_Thingol.lookup_tyco naming) tycos; |
38921 | 151 |
val (ml_code, target_names) = Code_Target.produce_code_for thy |
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|
152 |
target NONE module_name [] naming program (consts' @ tycos'); |
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|
153 |
val (consts'', tycos'') = chop (length consts') target_names; |
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|
154 |
val consts_map = map2 (fn const => fn NONE => |
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changeset
|
155 |
error ("Constant " ^ (quote o Code.string_of_const thy) const |
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|
156 |
^ "\nhas a user-defined serialization") |
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|
157 |
| SOME const'' => (const, const'')) consts consts'' |
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changeset
|
158 |
val tycos_map = map2 (fn tyco => fn NONE => |
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changeset
|
159 |
error ("Type " ^ (quote o Sign.extern_type thy) tyco |
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changeset
|
160 |
^ "\nhas a user-defined serialization") |
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|
161 |
| SOME tyco'' => (tyco, tyco'')) tycos tycos''; |
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changeset
|
162 |
in (ml_code, (tycos_map, consts_map)) end; |
28054 | 163 |
|
164 |
||
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Code_Runtime.value, corresponding to ML_Context.value; tuned
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changeset
|
165 |
(* by antiquotation *) |
28054 | 166 |
|
167 |
local |
|
168 |
||
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changeset
|
169 |
structure Code_Antiq_Data = Proof_Data |
28054 | 170 |
( |
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|
171 |
type T = (string list * string list) * (bool |
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|
172 |
* (string * ((string * string) list * (string * string) list)) lazy); |
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changeset
|
173 |
fun init _ = (([], []), (true, (Lazy.value ("", ([], []))))); |
28054 | 174 |
); |
175 |
||
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|
176 |
val is_first_occ = fst o snd o Code_Antiq_Data.get; |
28054 | 177 |
|
30962 | 178 |
fun register_code new_tycos new_consts ctxt = |
28054 | 179 |
let |
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|
180 |
val ((tycos, consts), _) = Code_Antiq_Data.get ctxt; |
30962 | 181 |
val tycos' = fold (insert (op =)) new_tycos tycos; |
182 |
val consts' = fold (insert (op =)) new_consts consts; |
|
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changeset
|
183 |
val acc_code = Lazy.lazy (fn () => |
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diff
changeset
|
184 |
evaluation_code (ProofContext.theory_of ctxt) "Code" tycos' consts'); |
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changeset
|
185 |
in Code_Antiq_Data.put ((tycos', consts'), (false, acc_code)) ctxt end; |
30962 | 186 |
|
187 |
fun register_const const = register_code [] [const]; |
|
28054 | 188 |
|
30962 | 189 |
fun register_datatype tyco constrs = register_code [tyco] constrs; |
190 |
||
191 |
fun print_const const all_struct_name tycos_map consts_map = |
|
192 |
(Long_Name.append all_struct_name o the o AList.lookup (op =) consts_map) const; |
|
193 |
||
35019
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diff
changeset
|
194 |
fun print_code is_first print_it ctxt = |
30962 | 195 |
let |
38930
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parents:
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diff
changeset
|
196 |
val (_, (_, acc_code)) = Code_Antiq_Data.get ctxt; |
33992 | 197 |
val (ml_code, (tycos_map, consts_map)) = Lazy.force acc_code; |
198 |
val ml_code = if is_first then ml_code |
|
28054 | 199 |
else ""; |
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diff
changeset
|
200 |
val all_struct_name = "Isabelle"; |
30962 | 201 |
in (ml_code, print_it all_struct_name tycos_map consts_map) end; |
28054 | 202 |
|
203 |
in |
|
204 |
||
35019
1ec0a3ff229e
simplified interface for ML antiquotations, struct_name is always "Isabelle";
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parents:
34032
diff
changeset
|
205 |
fun ml_code_antiq raw_const background = |
28054 | 206 |
let |
31156 | 207 |
val const = Code.check_const (ProofContext.theory_of background) raw_const; |
28054 | 208 |
val is_first = is_first_occ background; |
209 |
val background' = register_const const background; |
|
35019
1ec0a3ff229e
simplified interface for ML antiquotations, struct_name is always "Isabelle";
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parents:
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diff
changeset
|
210 |
in (print_code is_first (print_const const), background') end; |
30962 | 211 |
|
28054 | 212 |
end; (*local*) |
213 |
||
214 |
||
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Code_Runtime.value, corresponding to ML_Context.value; tuned
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parents:
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diff
changeset
|
215 |
(* reflection support *) |
36470 | 216 |
|
217 |
fun check_datatype thy tyco consts = |
|
218 |
let |
|
37448
3bd4b3809bee
explicit type variable arguments for constructors
haftmann
parents:
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diff
changeset
|
219 |
val constrs = (map (fst o fst) o snd o Code.get_type thy) tyco; |
36470 | 220 |
val missing_constrs = subtract (op =) consts constrs; |
221 |
val _ = if null missing_constrs then [] |
|
222 |
else error ("Missing constructor(s) " ^ commas (map quote missing_constrs) |
|
223 |
^ " for datatype " ^ quote tyco); |
|
224 |
val false_constrs = subtract (op =) constrs consts; |
|
225 |
val _ = if null false_constrs then [] |
|
226 |
else error ("Non-constructor(s) " ^ commas (map quote false_constrs) |
|
227 |
^ " for datatype " ^ quote tyco); |
|
228 |
in () end; |
|
229 |
||
230 |
fun add_eval_tyco (tyco, tyco') thy = |
|
231 |
let |
|
232 |
val k = Sign.arity_number thy tyco; |
|
233 |
fun pr pr' fxy [] = tyco' |
|
234 |
| pr pr' fxy [ty] = |
|
235 |
Code_Printer.concat [pr' Code_Printer.BR ty, tyco'] |
|
236 |
| pr pr' fxy tys = |
|
237 |
Code_Printer.concat [Code_Printer.enum "," "(" ")" (map (pr' Code_Printer.BR) tys), tyco'] |
|
238 |
in |
|
239 |
thy |
|
38923 | 240 |
|> Code_Target.add_tyco_syntax target tyco (SOME (k, pr)) |
36470 | 241 |
end; |
242 |
||
36514 | 243 |
fun add_eval_constr (const, const') thy = |
244 |
let |
|
245 |
val k = Code.args_number thy const; |
|
246 |
fun pr pr' fxy ts = Code_Printer.brackify fxy |
|
38922 | 247 |
(const' :: the_list (Code_Printer.tuplify pr' Code_Printer.BR (map fst ts))); |
36514 | 248 |
in |
249 |
thy |
|
38923 | 250 |
|> Code_Target.add_const_syntax target const (SOME (Code_Printer.simple_const_syntax (k, pr))) |
36514 | 251 |
end; |
252 |
||
38923 | 253 |
fun add_eval_const (const, const') = Code_Target.add_const_syntax target |
36470 | 254 |
const (SOME (Code_Printer.simple_const_syntax (0, (K o K o K) const'))); |
255 |
||
36514 | 256 |
fun process (code_body, (tyco_map, (constr_map, const_map))) module_name NONE thy = |
38935
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
38933
diff
changeset
|
257 |
thy |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
38933
diff
changeset
|
258 |
|> Code_Target.add_reserved target module_name |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
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diff
changeset
|
259 |
|> Context.theory_map |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
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diff
changeset
|
260 |
(ML_Context.exec (fn () => ML_Context.eval_text true Position.none code_body)) |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
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diff
changeset
|
261 |
|> fold (add_eval_tyco o apsnd Code_Printer.str) tyco_map |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
38933
diff
changeset
|
262 |
|> fold (add_eval_constr o apsnd Code_Printer.str) constr_map |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
38933
diff
changeset
|
263 |
|> fold (add_eval_const o apsnd Code_Printer.str) const_map |
36470 | 264 |
| process (code_body, _) _ (SOME file_name) thy = |
265 |
let |
|
37950
bc285d91041e
moved basic thy file name operations from Thy_Load to Thy_Header;
wenzelm
parents:
37744
diff
changeset
|
266 |
val preamble = |
bc285d91041e
moved basic thy file name operations from Thy_Load to Thy_Header;
wenzelm
parents:
37744
diff
changeset
|
267 |
"(* Generated from " ^ Path.implode (Thy_Header.thy_path (Context.theory_name thy)) |
36470 | 268 |
^ "; DO NOT EDIT! *)"; |
269 |
val _ = File.write (Path.explode file_name) (preamble ^ "\n\n" ^ code_body); |
|
270 |
in |
|
271 |
thy |
|
272 |
end; |
|
273 |
||
274 |
fun gen_code_reflect prep_type prep_const raw_datatypes raw_functions module_name some_file thy = |
|
275 |
let |
|
276 |
val datatypes = map (fn (raw_tyco, raw_cos) => |
|
277 |
(prep_type thy raw_tyco, map (prep_const thy) raw_cos)) raw_datatypes; |
|
36514 | 278 |
val _ = map (uncurry (check_datatype thy)) datatypes; |
279 |
val tycos = map fst datatypes; |
|
280 |
val constrs = maps snd datatypes; |
|
36470 | 281 |
val functions = map (prep_const thy) raw_functions; |
36514 | 282 |
val result = evaluation_code thy module_name tycos (constrs @ functions) |
283 |
|> (apsnd o apsnd) (chop (length constrs)); |
|
36470 | 284 |
in |
285 |
thy |
|
36514 | 286 |
|> process result module_name some_file |
36470 | 287 |
end; |
288 |
||
39422 | 289 |
val code_reflect = gen_code_reflect Code_Target.cert_tyco (K I); |
36470 | 290 |
val code_reflect_cmd = gen_code_reflect Code_Target.read_tyco Code.read_const; |
291 |
||
292 |
||
28054 | 293 |
(** Isar setup **) |
294 |
||
295 |
val _ = ML_Context.add_antiq "code" (fn _ => Args.term >> ml_code_antiq); |
|
296 |
||
36470 | 297 |
local |
298 |
||
299 |
val datatypesK = "datatypes"; |
|
300 |
val functionsK = "functions"; |
|
301 |
val fileK = "file"; |
|
302 |
val andK = "and" |
|
303 |
||
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
304 |
val _ = List.app Keyword.keyword [datatypesK, functionsK]; |
36470 | 305 |
|
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
306 |
val parse_datatype = |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
307 |
Parse.name --| Parse.$$$ "=" -- (Parse.term ::: (Scan.repeat (Parse.$$$ "|" |-- Parse.term))); |
36470 | 308 |
|
309 |
in |
|
310 |
||
311 |
val _ = |
|
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
312 |
Outer_Syntax.command "code_reflect" "enrich runtime environment with generated code" |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
313 |
Keyword.thy_decl (Parse.name -- Scan.optional (Parse.$$$ datatypesK |-- (parse_datatype |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
314 |
::: Scan.repeat (Parse.$$$ andK |-- parse_datatype))) [] |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
315 |
-- Scan.optional (Parse.$$$ functionsK |-- Scan.repeat1 Parse.name) [] |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
316 |
-- Scan.option (Parse.$$$ fileK |-- Parse.name) |
36534 | 317 |
>> (fn (((module_name, raw_datatypes), raw_functions), some_file) => Toplevel.theory |
36470 | 318 |
(code_reflect_cmd raw_datatypes raw_functions module_name some_file))); |
319 |
||
320 |
end; (*local*) |
|
321 |
||
28054 | 322 |
end; (*struct*) |