1 (* Title: HOL/Tools/Sledgehammer/sledgehammer_isar.ML
2 Author: Jasmin Blanchette, TU Muenchen
4 Adds "sledgehammer" and related commands to Isabelle/Isar's outer syntax.
7 signature SLEDGEHAMMER_ISAR =
9 type params = Sledgehammer.params
11 val atps: string Unsynchronized.ref
12 val timeout: int Unsynchronized.ref
13 val full_types: bool Unsynchronized.ref
14 val default_params : theory -> (string * string) list -> params
17 structure Sledgehammer_Isar : SLEDGEHAMMER_ISAR =
21 open Sledgehammer_Util
23 open Sledgehammer_Minimize
25 (** Sledgehammer commands **)
27 fun add_to_relevance_override ns : relevance_override =
28 {add = ns, del = [], only = false}
29 fun del_from_relevance_override ns : relevance_override =
30 {add = [], del = ns, only = false}
31 fun only_relevance_override ns : relevance_override =
32 {add = ns, del = [], only = true}
33 fun merge_relevance_override_pairwise (r1 : relevance_override)
34 (r2 : relevance_override) =
35 {add = #add r1 @ #add r2, del = #del r1 @ #del r2,
36 only = #only r1 andalso #only r2}
37 fun merge_relevance_overrides rs =
38 fold merge_relevance_override_pairwise rs (only_relevance_override [])
42 val atps = Unsynchronized.ref ""
43 val timeout = Unsynchronized.ref 60
44 val full_types = Unsynchronized.ref false
47 ProofGeneralPgip.add_preference Preferences.category_proof
48 (Preferences.string_pref atps
50 "Default automatic provers (separated by whitespace)")
53 ProofGeneralPgip.add_preference Preferences.category_proof
54 (Preferences.int_pref timeout
55 "Sledgehammer: Time Limit"
56 "ATPs will be interrupted after this time (in seconds)")
59 ProofGeneralPgip.add_preference Preferences.category_proof
60 (Preferences.bool_pref full_types
61 "Sledgehammer: Full Types" "ATPs will use full type information")
63 type raw_param = string * string list
65 val default_default_params =
66 [("blocking", "false"),
69 ("overlord", "false"),
70 ("explicit_apply", "false"),
71 ("relevance_thresholds", "45 85"),
72 ("max_relevant", "smart"),
73 ("theory_relevant", "smart"),
74 ("isar_proof", "false"),
75 ("isar_shrink_factor", "1")]
79 val negated_alias_params =
80 [("non_blocking", "blocking"),
81 ("no_debug", "debug"),
83 ("no_overlord", "overlord"),
84 ("partial_types", "full_types"),
85 ("implicit_apply", "explicit_apply"),
86 ("theory_irrelevant", "theory_relevant"),
87 ("no_isar_proof", "isar_proof")]
89 val params_for_minimize =
90 ["debug", "verbose", "overlord", "full_types", "isar_proof",
91 "isar_shrink_factor", "timeout"]
93 val property_dependent_params = ["atps", "full_types", "timeout"]
95 fun is_known_raw_param s =
96 AList.defined (op =) default_default_params s orelse
97 AList.defined (op =) alias_params s orelse
98 AList.defined (op =) negated_alias_params s orelse
99 member (op =) property_dependent_params s orelse s = "expect"
101 fun check_raw_param (s, _) =
102 if is_known_raw_param s then ()
103 else error ("Unknown parameter: " ^ quote s ^ ".")
105 fun unalias_raw_param (name, value) =
106 case AList.lookup (op =) alias_params name of
107 SOME name' => (name', value)
109 case AList.lookup (op =) negated_alias_params name of
110 SOME name' => (name', case value of
111 ["false"] => ["true"]
112 | ["true"] => ["false"]
115 | NONE => (name, value)
117 structure Data = Theory_Data(
118 type T = raw_param list
119 val empty = default_default_params |> map (apsnd single)
121 fun merge p : T = AList.merge (op =) (K true) p)
123 val set_default_raw_param = Data.map o AList.update (op =) o unalias_raw_param
124 fun default_raw_params thy =
126 |> fold (AList.default (op =))
127 [("atps", [case !atps of "" => default_atps_param_value () | s => s]),
128 ("full_types", [if !full_types then "true" else "false"]),
129 ("timeout", let val timeout = !timeout in
130 [if timeout <= 0 then "none"
131 else string_of_int timeout ^ " s"]
134 val infinity_time_in_secs = 60 * 60 * 24 * 365
135 val the_timeout = the_default (Time.fromSeconds infinity_time_in_secs)
137 fun extract_params default_params override_params =
139 val override_params = map unalias_raw_param override_params
140 val raw_params = rev override_params @ rev default_params
141 val lookup = Option.map (space_implode " ") o AList.lookup (op =) raw_params
142 val lookup_string = the_default "" o lookup
143 fun general_lookup_bool option default_value name =
145 SOME s => parse_bool_option option name s
146 | NONE => default_value
147 val lookup_bool = the o general_lookup_bool false (SOME false)
148 val lookup_bool_option = general_lookup_bool true NONE
149 fun lookup_time name =
150 the_timeout (case lookup name of
152 | SOME s => parse_time_option name s)
153 fun lookup_int name =
156 | SOME s => case Int.fromString s of
158 | NONE => error ("Parameter " ^ quote name ^
159 " must be assigned an integer value.")
160 fun lookup_int_pair name =
163 | SOME s => case s |> space_explode " " |> map Int.fromString of
164 [SOME n1, SOME n2] => (n1, n2)
165 | _ => error ("Parameter " ^ quote name ^
166 "must be assigned a pair of integer values \
168 fun lookup_int_option name =
171 | _ => SOME (lookup_int name)
172 val blocking = lookup_bool "blocking"
173 val debug = lookup_bool "debug"
174 val verbose = debug orelse lookup_bool "verbose"
175 val overlord = lookup_bool "overlord"
176 val atps = lookup_string "atps" |> space_explode " "
177 val full_types = lookup_bool "full_types"
178 val explicit_apply = lookup_bool "explicit_apply"
179 val relevance_thresholds =
180 lookup_int_pair "relevance_thresholds"
181 |> pairself (fn n => 0.01 * Real.fromInt n)
182 val max_relevant = lookup_int_option "max_relevant"
183 val theory_relevant = lookup_bool_option "theory_relevant"
184 val isar_proof = lookup_bool "isar_proof"
185 val isar_shrink_factor = Int.max (1, lookup_int "isar_shrink_factor")
186 val timeout = lookup_time "timeout"
187 val expect = lookup_string "expect"
189 {blocking = blocking, debug = debug, verbose = verbose, overlord = overlord,
190 atps = atps, full_types = full_types, explicit_apply = explicit_apply,
191 relevance_thresholds = relevance_thresholds, max_relevant = max_relevant,
192 theory_relevant = theory_relevant, isar_proof = isar_proof,
193 isar_shrink_factor = isar_shrink_factor, timeout = timeout,
197 fun get_params thy = extract_params (default_raw_params thy)
198 fun default_params thy = get_params thy o map (apsnd single)
200 (* Sledgehammer the given subgoal *)
202 val sledgehammerN = "sledgehammer"
203 val sledgehammer_paramsN = "sledgehammer_params"
206 val minimizeN = "minimize"
207 val messagesN = "messages"
208 val available_atpsN = "available_atps"
209 val running_atpsN = "running_atps"
210 val kill_atpsN = "kill_atps"
211 val refresh_tptpN = "refresh_tptp"
213 val is_raw_param_relevant_for_minimize =
214 member (op =) params_for_minimize o fst o unalias_raw_param
215 fun string_for_raw_param (key, values) =
216 key ^ (case space_implode " " values of "" => "" | value => " = " ^ value)
218 fun minimize_command override_params i atp_name fact_names =
219 sledgehammerN ^ " " ^ minimizeN ^ " [atp = " ^ atp_name ^
220 (override_params |> filter is_raw_param_relevant_for_minimize
221 |> implode o map (prefix ", " o string_for_raw_param)) ^
222 "] (" ^ space_implode " " fact_names ^ ")" ^
223 (if i = 1 then "" else " " ^ string_of_int i)
225 fun hammer_away override_params subcommand opt_i relevance_override state =
227 val thy = Proof.theory_of state
228 val _ = app check_raw_param override_params
230 if subcommand = runN then
231 let val i = the_default 1 opt_i in
232 run_sledgehammer (get_params thy override_params) i relevance_override
233 (minimize_command override_params i) state
235 else if subcommand = minimizeN then
236 run_minimize (get_params thy override_params) (the_default 1 opt_i)
237 (#add relevance_override) state
238 else if subcommand = messagesN then
240 else if subcommand = available_atpsN then
242 else if subcommand = running_atpsN then
244 else if subcommand = kill_atpsN then
246 else if subcommand = refresh_tptpN then
247 refresh_systems_on_tptp ()
249 error ("Unknown subcommand: " ^ quote subcommand ^ ".")
252 fun sledgehammer_trans (((subcommand, params), relevance_override), opt_i) =
253 Toplevel.keep (hammer_away params subcommand opt_i relevance_override
256 fun string_for_raw_param (name, value) = name ^ " = " ^ space_implode " " value
258 fun sledgehammer_params_trans params =
260 (fold set_default_raw_param params
262 writeln ("Default parameters for Sledgehammer:\n" ^
263 (case rev (default_raw_params thy) of
266 (map check_raw_param params;
267 params |> map string_for_raw_param
268 |> sort_strings |> cat_lines)))))
270 val parse_key = Scan.repeat1 Parse.typ_group >> space_implode " "
271 val parse_value = Scan.repeat1 Parse.xname
272 val parse_param = parse_key -- Scan.optional (Parse.$$$ "=" |-- parse_value) []
273 val parse_params = Scan.optional (Args.bracks (Parse.list parse_param)) []
274 val parse_fact_refs =
275 Scan.repeat1 (Scan.unless (Parse.name -- Args.colon) Parse_Spec.xthm)
276 val parse_relevance_chunk =
277 (Args.add |-- Args.colon |-- parse_fact_refs >> add_to_relevance_override)
278 || (Args.del |-- Args.colon |-- parse_fact_refs
279 >> del_from_relevance_override)
280 || (parse_fact_refs >> only_relevance_override)
281 val parse_relevance_override =
282 Scan.optional (Args.parens (Scan.repeat parse_relevance_chunk
283 >> merge_relevance_overrides))
284 (add_to_relevance_override [])
285 val parse_sledgehammer_command =
286 (Scan.optional Parse.short_ident runN -- parse_params
287 -- parse_relevance_override -- Scan.option Parse.nat) #>> sledgehammer_trans
288 val parse_sledgehammer_params_command =
289 parse_params #>> sledgehammer_params_trans
292 Outer_Syntax.improper_command sledgehammerN
293 "search for first-order proof using automatic theorem provers" Keyword.diag
294 parse_sledgehammer_command
296 Outer_Syntax.command sledgehammer_paramsN
297 "set and display the default parameters for Sledgehammer" Keyword.thy_decl
298 parse_sledgehammer_params_command