blanchet@35866: (*  Title:      HOL/Sledgehammer/sledgehammer_isar.ML
blanchet@35866:     Author:     Jasmin Blanchette, TU Muenchen
blanchet@35866: 
blanchet@35866: Adds "sledgehammer" and related commands to Isabelle/Isar's outer syntax.
blanchet@35866: *)
blanchet@35866: 
blanchet@35961: signature SLEDGEHAMMER_ISAR =
blanchet@35961: sig
blanchet@35961:   type params = ATP_Manager.params
blanchet@35961: 
blanchet@35961:   val default_params : theory -> (string * string) list -> params
blanchet@35961: end;
blanchet@35961: 
blanchet@35866: structure Sledgehammer_Isar : sig end =
blanchet@35866: struct
blanchet@35866: 
blanchet@35866: open ATP_Manager
blanchet@35866: open ATP_Minimal
blanchet@35963: open ATP_Wrapper
blanchet@35961: open Sledgehammer_Util
blanchet@35866: 
blanchet@35866: structure K = OuterKeyword and P = OuterParse
blanchet@35866: 
blanchet@35963: datatype facta = Facta of {add: Facts.ref list, del: Facts.ref list, only: bool}
blanchet@35963: 
blanchet@35963: fun add_to_facta ns = Facta {add = ns, del = [], only = false};
blanchet@35963: fun del_from_facta ns = Facta {add = [], del = ns, only = false};
blanchet@35963: fun only_facta ns = Facta {add = ns, del = [], only = true};
blanchet@35963: val default_facta = add_to_facta []
blanchet@35963: fun merge_facta_pairwise (Facta f1) (Facta f2) =
blanchet@35963:   Facta {add = #add f1 @ #add f2, del = #del f1 @ #del f2,
blanchet@35963:          only = #only f1 orelse #only f2} 
blanchet@35963: fun merge_facta fs = fold merge_facta_pairwise fs default_facta
blanchet@35963: 
blanchet@35961: type raw_param = string * string list
blanchet@35866: 
blanchet@35961: val default_default_params =
blanchet@35961:   [("debug", "false"),
blanchet@35961:    ("verbose", "false"),
blanchet@35961:    ("relevance_threshold", "0.5"),
blanchet@35961:    ("higher_order", "smart"),
blanchet@35961:    ("respect_no_atp", "true"),
blanchet@35961:    ("follow_defs", "false"),
blanchet@35961:    ("isar_proof", "false"),
blanchet@35961:    ("minimize_timeout", "5 s")]
blanchet@35866: 
blanchet@35961: val negated_params =
blanchet@35961:   [("no_debug", "debug"),
blanchet@35961:    ("quiet", "verbose"),
blanchet@35961:    ("partial_types", "full_types"),
blanchet@35961:    ("first_order", "higher_order"),
blanchet@35961:    ("ignore_no_atp", "respect_no_atp"),
blanchet@35961:    ("dont_follow_defs", "follow_defs"),
blanchet@35961:    ("metis_proof", "isar_proof")]
blanchet@35866: 
blanchet@35961: val property_affected_params = ["atps", "full_types", "timeout"]
blanchet@35866: 
blanchet@35961: fun is_known_raw_param s =
blanchet@35961:   AList.defined (op =) default_default_params s orelse
blanchet@35961:   AList.defined (op =) negated_params s orelse
blanchet@35961:   member (op =) property_affected_params s
blanchet@35866: 
blanchet@35961: fun check_raw_param (s, _) =
blanchet@35961:   if is_known_raw_param s then ()
blanchet@35961:   else error ("Unknown parameter: " ^ quote s ^ ".")
blanchet@35961: 
blanchet@35961: fun unnegate_raw_param (name, value) =
blanchet@35961:   case AList.lookup (op =) negated_params name of
blanchet@35961:     SOME name' => (name', case value of
blanchet@35961:                             ["false"] => ["true"]
blanchet@35961:                           | ["true"] => ["false"]
blanchet@35961:                           | [] => ["false"]
blanchet@35961:                           | _ => value)
blanchet@35961:   | NONE => (name, value)
blanchet@35961: 
blanchet@35961: structure Data = Theory_Data(
blanchet@35961:   type T = raw_param list
blanchet@35961:   val empty = default_default_params |> map (apsnd single)
blanchet@35961:   val extend = I
blanchet@35961:   fun merge p : T = AList.merge (op =) (K true) p)
blanchet@35961: 
blanchet@35961: val set_default_raw_param = Data.map o AList.update (op =) o unnegate_raw_param
blanchet@35961: fun default_raw_params thy =
blanchet@35961:   [("atps", [!atps]),
blanchet@35961:    ("full_types", [if !full_types then "true" else "false"]),
blanchet@35961:    ("timeout", [string_of_int (!timeout) ^ " s"])] @
blanchet@35961:   Data.get thy
blanchet@35961: 
blanchet@35961: val infinity_time_in_secs = 60 * 60 * 24 * 365
blanchet@35961: val the_timeout = the_default (Time.fromSeconds infinity_time_in_secs)
blanchet@35961: 
blanchet@35961: fun extract_params thy default_params override_params =
blanchet@35961:   let
blanchet@35961:     val override_params = map unnegate_raw_param override_params
blanchet@35961:     val raw_params = rev override_params @ rev default_params
blanchet@35961:     val lookup = Option.map (space_implode " ") o AList.lookup (op =) raw_params
blanchet@35961:     val lookup_string = the_default "" o lookup
blanchet@35961:     fun general_lookup_bool option default_value name =
blanchet@35961:       case lookup name of
blanchet@35961:         SOME s => s |> parse_bool_option option name
blanchet@35961:       | NONE => default_value
blanchet@35961:     val lookup_bool = the o general_lookup_bool false (SOME false)
blanchet@35961:     val lookup_bool_option = general_lookup_bool true NONE
blanchet@35961:     fun lookup_time name =
blanchet@35961:       the_timeout (case lookup name of
blanchet@35961:                      NONE => NONE
blanchet@35961:                    | SOME s => parse_time_option name s)
blanchet@35961:     fun lookup_real name =
blanchet@35961:       case lookup name of
blanchet@35961:         NONE => 0.0
blanchet@35961:       | SOME s => 0.0 (* FIXME ### *)
blanchet@35961:     val debug = lookup_bool "debug"
blanchet@35961:     val verbose = debug orelse lookup_bool "verbose"
blanchet@35961:     val atps = lookup_string "atps" |> space_explode " "
blanchet@35961:     val full_types = lookup_bool "full_types"
blanchet@35961:     val relevance_threshold = lookup_real "relevance_threshold"
blanchet@35961:     val higher_order = lookup_bool_option "higher_order"
blanchet@35961:     val respect_no_atp = lookup_bool "respect_no_atp"
blanchet@35961:     val follow_defs = lookup_bool "follow_defs"
blanchet@35961:     val isar_proof = lookup_bool "isar_proof"
blanchet@35961:     val timeout = lookup_time "timeout"
blanchet@35961:     val minimize_timeout = lookup_time "minimize_timeout"
blanchet@35961:   in
blanchet@35961:     {debug = debug, verbose = verbose, atps = atps, full_types = full_types,
blanchet@35961:      relevance_threshold = relevance_threshold, higher_order = higher_order,
blanchet@35961:      respect_no_atp = respect_no_atp, follow_defs = follow_defs,
blanchet@35961:      isar_proof = isar_proof, timeout = timeout,
blanchet@35961:      minimize_timeout = minimize_timeout}
blanchet@35961:   end
blanchet@35961: 
blanchet@35963: fun get_params thy = extract_params thy (default_raw_params thy)
blanchet@35963: fun default_params thy = get_params thy o map (apsnd single)
blanchet@35866: 
blanchet@35963: fun atp_minimize_command override_params old_style_args fact_refs state =
blanchet@35866:   let
blanchet@35961:     val thy = Proof.theory_of state
blanchet@35961:     val ctxt = Proof.context_of state
blanchet@35963:     fun theorems_from_refs ctxt =
blanchet@35963:       map (fn fact_ref =>
blanchet@35866:               let
blanchet@35963:                 val ths = ProofContext.get_fact ctxt fact_ref
blanchet@35963:                 val name' = Facts.string_of_ref fact_ref
blanchet@35866:               in (name', ths) end)
blanchet@35961:     fun get_time_limit_arg s =
blanchet@35961:       (case Int.fromString s of
blanchet@35961:         SOME t => Time.fromSeconds t
blanchet@35961:       | NONE => error ("Invalid time limit: " ^ quote s))
blanchet@35866:     fun get_opt (name, a) (p, t) =
blanchet@35866:       (case name of
blanchet@35866:         "time" => (p, get_time_limit_arg a)
blanchet@35866:       | "atp" => (a, t)
blanchet@35866:       | n => error ("Invalid argument: " ^ n))
blanchet@35963:     val {atps, minimize_timeout, ...} = get_params thy override_params
blanchet@35963:     val (atp, timeout) = fold get_opt old_style_args (hd atps, minimize_timeout)
blanchet@35961:     val params =
blanchet@35963:       get_params thy
blanchet@35963:           [("atps", [atp]),
blanchet@35963:            ("minimize_timeout",
blanchet@35963:             [string_of_int (Time.toSeconds timeout) ^ " s"])]
blanchet@35866:     val prover =
blanchet@35961:       (case get_prover thy atp of
blanchet@35866:         SOME prover => prover
blanchet@35961:       | NONE => error ("Unknown ATP: " ^ quote atp))
blanchet@35963:     val name_thms_pairs = theorems_from_refs ctxt fact_refs
blanchet@35866:   in
blanchet@35961:     writeln (#2 (minimize_theorems params linear_minimize prover atp state
blanchet@35961:                                    name_thms_pairs))
blanchet@35866:   end
blanchet@35866: 
blanchet@35963: val runN = "run"
blanchet@35963: val minimizeN = "minimize"
blanchet@35963: val messagesN = "messages"
blanchet@35963: val available_atpsN = "available_atps"
blanchet@35963: val running_atpsN = "running_atps"
blanchet@35963: val kill_atpsN = "kill_atps"
blanchet@35963: val refresh_tptpN = "refresh_tptp"
blanchet@35963: val helpN = "help"
blanchet@35866: 
blanchet@35963: val addN = "add"
blanchet@35963: val delN = "del"
blanchet@35963: val onlyN = "only"
blanchet@35963: 
blanchet@35963: fun hammer_away override_params subcommand opt_i (Facta f) state =
blanchet@35961:   let
blanchet@35961:     val thy = Proof.theory_of state
blanchet@35961:     val _ = List.app check_raw_param override_params
blanchet@35963:   in
blanchet@35963:     if subcommand = runN then
blanchet@35963:       sledgehammer (get_params thy override_params) (the_default 1 opt_i) state
blanchet@35963:     else if subcommand = minimizeN then
blanchet@35963:       atp_minimize_command override_params [] (#add f) state
blanchet@35963:     else if subcommand = messagesN then
blanchet@35963:       messages opt_i
blanchet@35963:     else if subcommand = available_atpsN then
blanchet@35963:       available_atps thy
blanchet@35963:     else if subcommand = running_atpsN then
blanchet@35963:       running_atps ()
blanchet@35963:     else if subcommand = kill_atpsN then
blanchet@35963:       kill_atps ()
blanchet@35963:     else if subcommand = refresh_tptpN then
blanchet@35963:       refresh_systems_on_tptp ()
blanchet@35963:     else
blanchet@35963:       error ("Unknown subcommand: " ^ quote subcommand ^ ".")
blanchet@35963:   end
blanchet@35961: 
blanchet@35963: fun sledgehammer_trans (((params, subcommand), opt_i), facta) =
blanchet@35963:   Toplevel.keep (hammer_away params subcommand opt_i facta o Toplevel.proof_of)
blanchet@35961: 
blanchet@35961: fun string_for_raw_param (name, value) = name ^ " = " ^ space_implode " " value
blanchet@35961: 
blanchet@35963: fun sledgehammer_params_trans params =
blanchet@35961:   Toplevel.theory
blanchet@35963:       (fold set_default_raw_param params
blanchet@35961:        #> tap (fn thy => 
blanchet@35961:                   writeln ("Default parameters for Sledgehammer:\n" ^
blanchet@35961:                            (case rev (default_raw_params thy) of
blanchet@35961:                               [] => "none"
blanchet@35961:                             | params =>
blanchet@35961:                               (map check_raw_param params;
blanchet@35961:                                params |> map string_for_raw_param
blanchet@35961:                                       |> sort_strings |> cat_lines)))))
blanchet@35961: 
blanchet@35961: val parse_key = Scan.repeat1 P.typ_group >> space_implode " "
blanchet@35961: val parse_value =
blanchet@35961:   Scan.repeat1 (P.minus >> single
blanchet@35961:                 || Scan.repeat1 (Scan.unless P.minus P.name)) >> flat
blanchet@35963: val parse_param = parse_key -- Scan.optional (P.$$$ "=" |-- parse_value) []
blanchet@35963: val parse_params = Scan.optional (Args.bracks (P.list parse_param)) []
blanchet@35963: val parse_fact_refs =
blanchet@35963:   Scan.repeat (P.xname -- Scan.option Attrib.thm_sel
blanchet@35963:                >> (fn (name, interval) =>
blanchet@35963:                       Facts.Named ((name, Position.none), interval)))
blanchet@35963: val parse_slew =
blanchet@35963:   (Args.add |-- Args.colon |-- parse_fact_refs >> add_to_facta)
blanchet@35963:   || (Args.del |-- Args.colon |-- parse_fact_refs >> del_from_facta)
blanchet@35963:   || (P.$$$ onlyN |-- Args.colon |-- parse_fact_refs >> only_facta)
blanchet@35963: val parse_facta =
blanchet@35963:   Args.parens (Scan.optional (parse_fact_refs >> only_facta) default_facta
blanchet@35963:                -- Scan.repeat parse_slew) >> op :: >> merge_facta
blanchet@35961: val parse_sledgehammer_command =
blanchet@35963:   (parse_params -- Scan.optional P.name runN -- Scan.option P.nat
blanchet@35963:    -- parse_facta)
blanchet@35963:   #>> sledgehammer_trans
blanchet@35961: val parse_sledgehammer_params_command =
blanchet@35961:   parse_params #>> sledgehammer_params_trans
blanchet@35961: 
blanchet@35963: val parse_minimize_args =
blanchet@35963:   Scan.optional (Args.bracks (P.list (P.xname --| P.$$$ "=" -- P.xname))) []
blanchet@35963: 
blanchet@35961: val _ =
blanchet@35961:   OuterSyntax.improper_command "atp_kill" "kill all managed provers" K.diag
blanchet@35963:     (Scan.succeed (Toplevel.no_timing o Toplevel.imperative kill_atps))
blanchet@35961: val _ =
blanchet@35961:   OuterSyntax.improper_command "atp_info"
blanchet@35961:     "print information about managed provers" K.diag
blanchet@35963:     (Scan.succeed (Toplevel.no_timing o Toplevel.imperative running_atps))
blanchet@35961: val _ =
blanchet@35961:   OuterSyntax.improper_command "atp_messages"
blanchet@35961:     "print recent messages issued by managed provers" K.diag
blanchet@35961:     (Scan.option (P.$$$ "(" |-- P.nat --| P.$$$ ")") >>
blanchet@35961:       (fn limit => Toplevel.no_timing
blanchet@35961:                    o Toplevel.imperative (fn () => messages limit)))
blanchet@35961: val _ =
blanchet@35961:   OuterSyntax.improper_command "print_atps" "print external provers" K.diag
blanchet@35961:     (Scan.succeed (Toplevel.no_timing o Toplevel.unknown_theory o
blanchet@35963:       Toplevel.keep (available_atps o Toplevel.theory_of)))
blanchet@35963: val _ =
blanchet@35963:   OuterSyntax.improper_command "atp_minimize"
blanchet@35963:     "minimize theorem list with external prover" K.diag
blanchet@35963:     (parse_minimize_args -- parse_fact_refs >> (fn (args, fact_refs) =>
blanchet@35963:       Toplevel.no_timing o Toplevel.unknown_proof o
blanchet@35963:         Toplevel.keep (atp_minimize_command [] args fact_refs
blanchet@35963:                        o Toplevel.proof_of)))
blanchet@35963: 
blanchet@35961: val _ =
blanchet@35961:   OuterSyntax.improper_command "sledgehammer"
blanchet@35961:     "search for first-order proof using automatic theorem provers" K.diag
blanchet@35961:     parse_sledgehammer_command
blanchet@35961: val _ =
blanchet@35961:   OuterSyntax.command "sledgehammer_params"
blanchet@35961:     "set and display the default parameters for Sledgehammer" K.thy_decl
blanchet@35961:     parse_sledgehammer_params_command
blanchet@35866: 
blanchet@35866: end;