author | haftmann |
Wed, 01 Sep 2010 12:27:49 +0200 | |
changeset 39017 | 8cd5b6d688fa |
parent 38935 | 2cf3d8305b47 |
child 39388 | fdbb2c55ffc2 |
permissions | -rw-r--r-- |
37744 | 1 |
(* Title: Tools/Code/code_eval.ML |
28054 | 2 |
Author: Florian Haftmann, TU Muenchen |
3 |
||
34028
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
4 |
Runtime services building on code generation into implementation language SML. |
28054 | 5 |
*) |
6 |
||
34028
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
7 |
signature CODE_EVAL = |
28054 | 8 |
sig |
34028
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
9 |
val target: string |
32740 | 10 |
val eval: string option -> string * (unit -> 'a) option Unsynchronized.ref |
30970
3fe2e418a071
generic postprocessing scheme for term evaluations
haftmann
parents:
30962
diff
changeset
|
11 |
-> ((term -> term) -> 'a -> 'a) -> theory -> term -> string list -> 'a |
28054 | 12 |
val setup: theory -> theory |
13 |
end; |
|
14 |
||
34028
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
15 |
structure Code_Eval : CODE_EVAL = |
28054 | 16 |
struct |
17 |
||
33992 | 18 |
(** generic **) |
19 |
||
34028
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
20 |
val target = "Eval"; |
28054 | 21 |
|
38930
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
22 |
fun evaluation_code thy module_name tycos consts = |
33992 | 23 |
let |
36271
2ef9dbddfcb8
optionally ignore errors during translation of equations
haftmann
parents:
35360
diff
changeset
|
24 |
val (consts', (naming, program)) = Code_Thingol.consts_program thy false consts; |
34028
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
25 |
val tycos' = map (the o Code_Thingol.lookup_tyco naming) tycos; |
38921 | 26 |
val (ml_code, target_names) = Code_Target.produce_code_for thy |
38933
bd77e092f67c
avoid strange special treatment of empty module names
haftmann
parents:
38931
diff
changeset
|
27 |
target NONE module_name [] naming program (consts' @ tycos'); |
34028
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
28 |
val (consts'', tycos'') = chop (length consts') target_names; |
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
29 |
val consts_map = map2 (fn const => fn NONE => |
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
30 |
error ("Constant " ^ (quote o Code.string_of_const thy) const |
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
31 |
^ "\nhas a user-defined serialization") |
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
32 |
| SOME const'' => (const, const'')) consts consts'' |
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
33 |
val tycos_map = map2 (fn tyco => fn NONE => |
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
34 |
error ("Type " ^ (quote o Sign.extern_type thy) tyco |
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
35 |
^ "\nhas a user-defined serialization") |
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
36 |
| SOME tyco'' => (tyco, tyco'')) tycos tycos''; |
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
37 |
in (ml_code, (tycos_map, consts_map)) end; |
28054 | 38 |
|
39 |
||
34028
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
40 |
(** evaluation **) |
28054 | 41 |
|
30970
3fe2e418a071
generic postprocessing scheme for term evaluations
haftmann
parents:
30962
diff
changeset
|
42 |
fun eval some_target reff postproc thy t args = |
28054 | 43 |
let |
36610
bafd82950e24
renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
wenzelm
parents:
36534
diff
changeset
|
44 |
val ctxt = ProofContext.init_global thy; |
31063
88aaab83b6fc
dropped explicit suppport for frees in evaluation conversion stack
haftmann
parents:
31054
diff
changeset
|
45 |
fun evaluator naming program ((_, (_, ty)), t) deps = |
28054 | 46 |
let |
47 |
val _ = if Code_Thingol.contains_dictvar t then |
|
28724 | 48 |
error "Term to be evaluated contains free dictionaries" else (); |
28663
bd8438543bf2
code identifier namings are no longer imperative
haftmann
parents:
28350
diff
changeset
|
49 |
val value_name = "Value.VALUE.value" |
28054 | 50 |
val program' = program |
28663
bd8438543bf2
code identifier namings are no longer imperative
haftmann
parents:
28350
diff
changeset
|
51 |
|> Graph.new_node (value_name, |
37437 | 52 |
Code_Thingol.Fun (Term.dummy_patternN, ((([], ty), [(([], t), (NONE, true))]), NONE))) |
28663
bd8438543bf2
code identifier namings are no longer imperative
haftmann
parents:
28350
diff
changeset
|
53 |
|> fold (curry Graph.add_edge value_name) deps; |
38931
5e84c11c4b8a
evaluate takes ml context and ml expression parameter
haftmann
parents:
38930
diff
changeset
|
54 |
val (program_code, [SOME value_name']) = Code_Target.produce_code_for thy |
38933
bd77e092f67c
avoid strange special treatment of empty module names
haftmann
parents:
38931
diff
changeset
|
55 |
(the_default target some_target) NONE "Code" [] naming program' [value_name]; |
38931
5e84c11c4b8a
evaluate takes ml context and ml expression parameter
haftmann
parents:
38930
diff
changeset
|
56 |
val value_code = space_implode " " |
5e84c11c4b8a
evaluate takes ml context and ml expression parameter
haftmann
parents:
38930
diff
changeset
|
57 |
(value_name' :: map (enclose "(" ")") args); |
5e84c11c4b8a
evaluate takes ml context and ml expression parameter
haftmann
parents:
38930
diff
changeset
|
58 |
in ML_Context.evaluate ctxt false reff (program_code, value_code) end; |
38669
9ff76d0f0610
refined and unified naming convention for dynamic code evaluation techniques
haftmann
parents:
37950
diff
changeset
|
59 |
in Code_Thingol.dynamic_eval_value thy postproc evaluator t end; |
28054 | 60 |
|
61 |
||
34028
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
62 |
(** instrumentalization by antiquotation **) |
28054 | 63 |
|
64 |
local |
|
65 |
||
38930
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
66 |
structure Code_Antiq_Data = Proof_Data |
28054 | 67 |
( |
38930
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
68 |
type T = (string list * string list) * (bool |
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
69 |
* (string * ((string * string) list * (string * string) list)) lazy); |
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
70 |
fun init _ = (([], []), (true, (Lazy.value ("", ([], []))))); |
28054 | 71 |
); |
72 |
||
38930
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
73 |
val is_first_occ = fst o snd o Code_Antiq_Data.get; |
28054 | 74 |
|
30962 | 75 |
fun register_code new_tycos new_consts ctxt = |
28054 | 76 |
let |
38930
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
77 |
val ((tycos, consts), _) = Code_Antiq_Data.get ctxt; |
30962 | 78 |
val tycos' = fold (insert (op =)) new_tycos tycos; |
79 |
val consts' = fold (insert (op =)) new_consts consts; |
|
38930
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
80 |
val acc_code = Lazy.lazy (fn () => |
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
81 |
evaluation_code (ProofContext.theory_of ctxt) "Code" tycos' consts'); |
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
82 |
in Code_Antiq_Data.put ((tycos', consts'), (false, acc_code)) ctxt end; |
30962 | 83 |
|
84 |
fun register_const const = register_code [] [const]; |
|
28054 | 85 |
|
30962 | 86 |
fun register_datatype tyco constrs = register_code [tyco] constrs; |
87 |
||
88 |
fun print_const const all_struct_name tycos_map consts_map = |
|
89 |
(Long_Name.append all_struct_name o the o AList.lookup (op =) consts_map) const; |
|
90 |
||
35019
1ec0a3ff229e
simplified interface for ML antiquotations, struct_name is always "Isabelle";
wenzelm
parents:
34032
diff
changeset
|
91 |
fun print_code is_first print_it ctxt = |
30962 | 92 |
let |
38930
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
93 |
val (_, (_, acc_code)) = Code_Antiq_Data.get ctxt; |
33992 | 94 |
val (ml_code, (tycos_map, consts_map)) = Lazy.force acc_code; |
95 |
val ml_code = if is_first then ml_code |
|
28054 | 96 |
else ""; |
38930
072363be3fd9
modernized; avoid pointless tinkering with structure names
haftmann
parents:
38929
diff
changeset
|
97 |
val all_struct_name = "Isabelle"; |
30962 | 98 |
in (ml_code, print_it all_struct_name tycos_map consts_map) end; |
28054 | 99 |
|
100 |
in |
|
101 |
||
35019
1ec0a3ff229e
simplified interface for ML antiquotations, struct_name is always "Isabelle";
wenzelm
parents:
34032
diff
changeset
|
102 |
fun ml_code_antiq raw_const background = |
28054 | 103 |
let |
31156 | 104 |
val const = Code.check_const (ProofContext.theory_of background) raw_const; |
28054 | 105 |
val is_first = is_first_occ background; |
106 |
val background' = register_const const background; |
|
35019
1ec0a3ff229e
simplified interface for ML antiquotations, struct_name is always "Isabelle";
wenzelm
parents:
34032
diff
changeset
|
107 |
in (print_code is_first (print_const const), background') end; |
30962 | 108 |
|
28054 | 109 |
end; (*local*) |
110 |
||
111 |
||
36470 | 112 |
(** reflection support **) |
113 |
||
114 |
fun check_datatype thy tyco consts = |
|
115 |
let |
|
37448
3bd4b3809bee
explicit type variable arguments for constructors
haftmann
parents:
37437
diff
changeset
|
116 |
val constrs = (map (fst o fst) o snd o Code.get_type thy) tyco; |
36470 | 117 |
val missing_constrs = subtract (op =) consts constrs; |
118 |
val _ = if null missing_constrs then [] |
|
119 |
else error ("Missing constructor(s) " ^ commas (map quote missing_constrs) |
|
120 |
^ " for datatype " ^ quote tyco); |
|
121 |
val false_constrs = subtract (op =) constrs consts; |
|
122 |
val _ = if null false_constrs then [] |
|
123 |
else error ("Non-constructor(s) " ^ commas (map quote false_constrs) |
|
124 |
^ " for datatype " ^ quote tyco); |
|
125 |
in () end; |
|
126 |
||
127 |
fun add_eval_tyco (tyco, tyco') thy = |
|
128 |
let |
|
129 |
val k = Sign.arity_number thy tyco; |
|
130 |
fun pr pr' fxy [] = tyco' |
|
131 |
| pr pr' fxy [ty] = |
|
132 |
Code_Printer.concat [pr' Code_Printer.BR ty, tyco'] |
|
133 |
| pr pr' fxy tys = |
|
134 |
Code_Printer.concat [Code_Printer.enum "," "(" ")" (map (pr' Code_Printer.BR) tys), tyco'] |
|
135 |
in |
|
136 |
thy |
|
38923 | 137 |
|> Code_Target.add_tyco_syntax target tyco (SOME (k, pr)) |
36470 | 138 |
end; |
139 |
||
36514 | 140 |
fun add_eval_constr (const, const') thy = |
141 |
let |
|
142 |
val k = Code.args_number thy const; |
|
143 |
fun pr pr' fxy ts = Code_Printer.brackify fxy |
|
38922 | 144 |
(const' :: the_list (Code_Printer.tuplify pr' Code_Printer.BR (map fst ts))); |
36514 | 145 |
in |
146 |
thy |
|
38923 | 147 |
|> Code_Target.add_const_syntax target const (SOME (Code_Printer.simple_const_syntax (k, pr))) |
36514 | 148 |
end; |
149 |
||
38923 | 150 |
fun add_eval_const (const, const') = Code_Target.add_const_syntax target |
36470 | 151 |
const (SOME (Code_Printer.simple_const_syntax (0, (K o K o K) const'))); |
152 |
||
36514 | 153 |
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
|
154 |
thy |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
38933
diff
changeset
|
155 |
|> Code_Target.add_reserved target module_name |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
38933
diff
changeset
|
156 |
|> Context.theory_map |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
38933
diff
changeset
|
157 |
(ML_Context.exec (fn () => ML_Context.eval_text true Position.none code_body)) |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
38933
diff
changeset
|
158 |
|> fold (add_eval_tyco o apsnd Code_Printer.str) tyco_map |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
38933
diff
changeset
|
159 |
|> fold (add_eval_constr o apsnd Code_Printer.str) constr_map |
2cf3d8305b47
corrected misbehaved additional qualification of generated names
haftmann
parents:
38933
diff
changeset
|
160 |
|> fold (add_eval_const o apsnd Code_Printer.str) const_map |
36470 | 161 |
| process (code_body, _) _ (SOME file_name) thy = |
162 |
let |
|
37950
bc285d91041e
moved basic thy file name operations from Thy_Load to Thy_Header;
wenzelm
parents:
37744
diff
changeset
|
163 |
val preamble = |
bc285d91041e
moved basic thy file name operations from Thy_Load to Thy_Header;
wenzelm
parents:
37744
diff
changeset
|
164 |
"(* Generated from " ^ Path.implode (Thy_Header.thy_path (Context.theory_name thy)) |
36470 | 165 |
^ "; DO NOT EDIT! *)"; |
166 |
val _ = File.write (Path.explode file_name) (preamble ^ "\n\n" ^ code_body); |
|
167 |
in |
|
168 |
thy |
|
169 |
end; |
|
170 |
||
171 |
fun gen_code_reflect prep_type prep_const raw_datatypes raw_functions module_name some_file thy = |
|
172 |
let |
|
173 |
val datatypes = map (fn (raw_tyco, raw_cos) => |
|
174 |
(prep_type thy raw_tyco, map (prep_const thy) raw_cos)) raw_datatypes; |
|
36514 | 175 |
val _ = map (uncurry (check_datatype thy)) datatypes; |
176 |
val tycos = map fst datatypes; |
|
177 |
val constrs = maps snd datatypes; |
|
36470 | 178 |
val functions = map (prep_const thy) raw_functions; |
36514 | 179 |
val result = evaluation_code thy module_name tycos (constrs @ functions) |
180 |
|> (apsnd o apsnd) (chop (length constrs)); |
|
36470 | 181 |
in |
182 |
thy |
|
36514 | 183 |
|> process result module_name some_file |
36470 | 184 |
end; |
185 |
||
186 |
val code_reflect = gen_code_reflect Code_Target.cert_tyco Code.check_const; |
|
187 |
val code_reflect_cmd = gen_code_reflect Code_Target.read_tyco Code.read_const; |
|
188 |
||
189 |
||
28054 | 190 |
(** Isar setup **) |
191 |
||
192 |
val _ = ML_Context.add_antiq "code" (fn _ => Args.term >> ml_code_antiq); |
|
193 |
||
36470 | 194 |
local |
195 |
||
196 |
val datatypesK = "datatypes"; |
|
197 |
val functionsK = "functions"; |
|
198 |
val fileK = "file"; |
|
199 |
val andK = "and" |
|
200 |
||
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
201 |
val _ = List.app Keyword.keyword [datatypesK, functionsK]; |
36470 | 202 |
|
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
203 |
val parse_datatype = |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
204 |
Parse.name --| Parse.$$$ "=" -- (Parse.term ::: (Scan.repeat (Parse.$$$ "|" |-- Parse.term))); |
36470 | 205 |
|
206 |
in |
|
207 |
||
208 |
val _ = |
|
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
209 |
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
|
210 |
Keyword.thy_decl (Parse.name -- Scan.optional (Parse.$$$ datatypesK |-- (parse_datatype |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
211 |
::: Scan.repeat (Parse.$$$ andK |-- parse_datatype))) [] |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
212 |
-- Scan.optional (Parse.$$$ functionsK |-- Scan.repeat1 Parse.name) [] |
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
parents:
36610
diff
changeset
|
213 |
-- Scan.option (Parse.$$$ fileK |-- Parse.name) |
36534 | 214 |
>> (fn (((module_name, raw_datatypes), raw_functions), some_file) => Toplevel.theory |
36470 | 215 |
(code_reflect_cmd raw_datatypes raw_functions module_name some_file))); |
216 |
||
217 |
end; (*local*) |
|
218 |
||
34028
1e6206763036
split off evaluation mechanisms in separte module Code_Eval
haftmann
parents:
33992
diff
changeset
|
219 |
val setup = Code_Target.extend_target (target, (Code_ML.target_SML, K I)); |
28054 | 220 |
|
221 |
end; (*struct*) |