author | blanchet |
Tue, 07 Jun 2011 06:58:52 +0200 | |
changeset 43222 | d90151a666cc |
parent 43214 | 4e850b2c1f5c |
permissions | -rw-r--r-- |
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(* Title: HOL/ex/tptp_export.ML |
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Author: Jasmin Blanchette, TU Muenchen |
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Copyright 2011 |
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Export Isabelle theories as first-order TPTP inferences, exploiting |
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Sledgehammer's translation. |
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*) |
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signature TPTP_EXPORT = |
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sig |
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val generate_tptp_graph_file_for_theory : |
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Proof.context -> theory -> string -> unit |
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val generate_tptp_inference_file_for_theory : |
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Proof.context -> theory -> bool -> string -> unit |
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end; |
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structure TPTP_Export : TPTP_EXPORT = |
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struct |
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val ascii_of = ATP_Translate.ascii_of |
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val fact_name_of = prefix ATP_Translate.fact_prefix o ascii_of |
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fun facts_of thy = |
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Sledgehammer_Filter.all_facts (ProofContext.init_global thy) Symtab.empty |
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true (K true) [] [] |
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fun fold_body_thms f = |
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let |
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fun app n (PBody {thms, ...}) = thms |> fold (fn (i, (name, prop, body)) => fn (x, seen) => |
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if Inttab.defined seen i then (x, seen) |
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else |
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let |
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val body' = Future.join body; |
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val (x', seen') = app (n + (if name = "" then 0 else 1)) body' (x, Inttab.update (i, ()) seen); |
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in (x' |> n = 1 ? f (name, prop, body'), seen') end); |
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in fn bodies => fn x => #1 (fold (app 0) bodies (x, Inttab.empty)) end; |
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|
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fun theorems_mentioned_in_proof_term thm = |
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let |
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fun collect (s, _, _) = if s <> "" then insert (op =) s else I |
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val names = |
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[] |> fold_body_thms collect [Thm.proof_body_of thm] |> map fact_name_of |
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in names end |
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fun interesting_const_names ctxt = |
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let val thy = ProofContext.theory_of ctxt in |
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Sledgehammer_Filter.const_names_in_fact thy |
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(Sledgehammer_Provers.is_built_in_const_for_prover ctxt ATP_Systems.eN) |
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end |
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fun generate_tptp_graph_file_for_theory ctxt thy file_name = |
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let |
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val path = file_name |> Path.explode |
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val _ = File.write path "" |
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val axioms = Theory.all_axioms_of thy |> map fst |
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fun do_thm thm = |
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let |
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val name = Thm.get_name_hint thm |
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val s = |
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"[" ^ Thm.legacy_get_kind thm ^ "] " ^ |
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(if member (op =) axioms name then "A" else "T") ^ " " ^ |
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prefix ATP_Translate.fact_prefix (ascii_of name) ^ ": " ^ |
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commas (theorems_mentioned_in_proof_term thm) ^ "; " ^ |
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commas (map (prefix ATP_Translate.const_prefix o ascii_of) |
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(interesting_const_names ctxt (Thm.prop_of thm))) ^ " \n" |
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in File.append path s end |
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val thms = facts_of thy |> map (snd o snd) |
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val _ = map do_thm thms |
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in () end |
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fun inference_term [] = NONE |
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| inference_term ss = |
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ATP_Problem.ATerm ("inference", |
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[ATP_Problem.ATerm ("isabelle", []), |
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ATP_Problem.ATerm ("[]", []), |
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ATP_Problem.ATerm ("[]", |
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map (fn s => ATP_Problem.ATerm (s, [])) ss)]) |
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|> SOME |
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fun inference infers ident = |
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these (AList.lookup (op =) infers ident) |> inference_term |
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fun add_inferences_to_problem_line infers |
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(ATP_Problem.Formula (ident, ATP_Problem.Axiom, phi, NONE, NONE)) = |
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ATP_Problem.Formula (ident, ATP_Problem.Lemma, phi, inference infers ident, |
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NONE) |
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| add_inferences_to_problem_line _ line = line |
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val add_inferences_to_problem = |
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map o apsnd o map o add_inferences_to_problem_line |
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fun generate_tptp_inference_file_for_theory ctxt thy full_types file_name = |
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let |
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val format = ATP_Problem.FOF |
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val type_sys = |
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ATP_Translate.Preds |
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(ATP_Translate.Polymorphic, |
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if full_types then ATP_Translate.All_Types |
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else ATP_Translate.Const_Arg_Types, |
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ATP_Translate.Heavyweight) |
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val path = file_name |> Path.explode |
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val _ = File.write path "" |
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val facts0 = facts_of thy |
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val facts = |
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facts0 |> map (fn ((_, loc), (_, th)) => |
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((Thm.get_name_hint th, loc), prop_of th)) |
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val explicit_apply = NONE |
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val (atp_problem, _, _, _, _, _, _) = |
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ATP_Translate.prepare_atp_problem ctxt format |
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ATP_Problem.Axiom ATP_Problem.Axiom type_sys explicit_apply false true |
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[] @{prop False} facts |
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val infers = |
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facts0 |> map (fn (_, (_, th)) => |
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(fact_name_of (Thm.get_name_hint th), |
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theorems_mentioned_in_proof_term th)) |
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val infers = |
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infers |> map (apsnd (filter (member (op = o apsnd fst) infers))) |
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val atp_problem = atp_problem |> add_inferences_to_problem infers |
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val ss = |
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ATP_Problem.tptp_strings_for_atp_problem ATP_Problem.FOF atp_problem |
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val _ = app (File.append path) ss |
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in () end |
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end; |