src/HOL/Import/proof_kernel.ML
author wenzelm
Wed Dec 31 20:31:36 2008 +0100 (2008-12-31)
changeset 29281 b22ccb3998db
parent 29270 0eade173f77e
child 29289 f45c9c3b40a3
permissions -rw-r--r--
eliminated OldTerm.add_term_free_names;
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(*  Title:      HOL/Import/proof_kernel.ML
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    Author:     Sebastian Skalberg and Steven Obua, TU Muenchen
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*)
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signature ProofKernel =
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sig
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    type hol_type
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    type tag
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    type term
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    type thm
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    type ('a,'b) subst
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    type proof_info
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    datatype proof = Proof of proof_info * proof_content
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         and proof_content
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           = PRefl of term
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           | PInstT of proof * (hol_type,hol_type) subst
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           | PSubst of proof list * term * proof
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           | PAbs of proof * term
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           | PDisch of proof * term
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           | PMp of proof * proof
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           | PHyp of term
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           | PAxm of string * term
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           | PDef of string * string * term
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           | PTmSpec of string * string list * proof
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           | PTyDef of string * string * proof
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           | PTyIntro of string * string * string * string * term * term * proof
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           | POracle of tag * term list * term
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           | PDisk
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           | PSpec of proof * term
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           | PInst of proof * (term,term) subst
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           | PGen of proof * term
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           | PGenAbs of proof * term option * term list
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           | PImpAS of proof * proof
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           | PSym of proof
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           | PTrans of proof * proof
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           | PComb of proof * proof
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           | PEqMp of proof * proof
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           | PEqImp of proof
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           | PExists of proof * term * term
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           | PChoose of term * proof * proof
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           | PConj of proof * proof
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           | PConjunct1 of proof
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           | PConjunct2 of proof
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           | PDisj1 of proof * term
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           | PDisj2 of proof * term
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           | PDisjCases of proof * proof * proof
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           | PNotI of proof
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           | PNotE of proof
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           | PContr of proof * term
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    exception PK of string * string
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    val get_proof_dir: string -> theory -> string option
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    val disambiguate_frees : Thm.thm -> Thm.thm
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    val debug : bool ref
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    val disk_info_of : proof -> (string * string) option
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    val set_disk_info_of : proof -> string -> string -> unit
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    val mk_proof : proof_content -> proof
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    val content_of : proof -> proof_content
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    val import_proof : string -> string -> theory -> (theory -> term) option * (theory -> proof)
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    val rewrite_hol4_term: Term.term -> theory -> Thm.thm
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    val type_of : term -> hol_type
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    val get_thm  : string -> string         -> theory -> (theory * thm option)
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    val get_def  : string -> string -> term -> theory -> (theory * thm option)
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    val get_axiom: string -> string         -> theory -> (theory * thm option)
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    val store_thm : string -> string -> thm -> theory -> theory * thm
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    val to_isa_thm : thm -> (term * term) list * Thm.thm
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    val to_isa_term: term -> Term.term
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    val to_hol_thm : Thm.thm -> thm
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    val REFL : term -> theory -> theory * thm
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    val ASSUME : term -> theory -> theory * thm
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    val INST_TYPE : (hol_type,hol_type) subst -> thm -> theory -> theory * thm
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    val INST : (term,term)subst -> thm -> theory -> theory * thm
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    val EQ_MP : thm -> thm -> theory -> theory * thm
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    val EQ_IMP_RULE : thm -> theory -> theory * thm
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    val SUBST : thm list -> term -> thm -> theory -> theory * thm
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    val DISJ_CASES : thm -> thm -> thm -> theory -> theory * thm
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    val DISJ1: thm -> term -> theory -> theory * thm
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    val DISJ2: term -> thm -> theory -> theory * thm
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    val IMP_ANTISYM: thm -> thm -> theory -> theory * thm
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    val SYM : thm -> theory -> theory * thm
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    val MP : thm -> thm -> theory -> theory * thm
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    val GEN : term -> thm -> theory -> theory * thm
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    val CHOOSE : term -> thm -> thm -> theory -> theory * thm
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    val EXISTS : term -> term -> thm -> theory -> theory * thm
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    val ABS : term -> thm -> theory -> theory * thm
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    val GEN_ABS : term option -> term list -> thm -> theory -> theory * thm
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    val TRANS : thm -> thm -> theory -> theory * thm
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    val CCONTR : term -> thm -> theory -> theory * thm
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    val CONJ : thm -> thm -> theory -> theory * thm
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    val CONJUNCT1: thm -> theory -> theory * thm
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    val CONJUNCT2: thm -> theory -> theory * thm
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    val NOT_INTRO: thm -> theory -> theory * thm
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    val NOT_ELIM : thm -> theory -> theory * thm
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    val SPEC : term -> thm -> theory -> theory * thm
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    val COMB : thm -> thm -> theory -> theory * thm
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    val DISCH: term -> thm -> theory -> theory * thm
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    val type_introduction: string -> string -> string -> string -> string -> term * term -> thm -> theory -> theory * thm
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    val new_definition : string -> string -> term -> theory -> theory * thm
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    val new_specification : string -> string -> string list -> thm -> theory -> theory * thm
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    val new_type_definition : string -> string -> string -> thm -> theory -> theory * thm
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    val new_axiom : string -> term -> theory -> theory * thm
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    val prin : term -> unit
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    val protect_factname : string -> string
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    val replay_protect_varname : string -> string -> unit
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    val replay_add_dump : string -> theory -> theory
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end
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structure ProofKernel :> ProofKernel =
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struct
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type hol_type = Term.typ
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type term = Term.term
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datatype tag = Tag of string list
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type ('a,'b) subst = ('a * 'b) list
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datatype thm = HOLThm of (Term.term * Term.term) list * Thm.thm
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fun hthm2thm (HOLThm (_, th)) = th
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fun to_hol_thm th = HOLThm ([], th)
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val replay_add_dump = add_dump
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fun add_dump s thy = (ImportRecorder.add_dump s; replay_add_dump s thy)
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datatype proof_info
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  = Info of {disk_info: (string * string) option ref}
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datatype proof = Proof of proof_info * proof_content
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     and proof_content
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       = PRefl of term
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       | PInstT of proof * (hol_type,hol_type) subst
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       | PSubst of proof list * term * proof
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       | PAbs of proof * term
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       | PDisch of proof * term
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       | PMp of proof * proof
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       | PHyp of term
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       | PAxm of string * term
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       | PDef of string * string * term
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       | PTmSpec of string * string list * proof
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       | PTyDef of string * string * proof
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       | PTyIntro of string * string * string * string * term * term * proof
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       | POracle of tag * term list * term
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       | PDisk
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       | PSpec of proof * term
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       | PInst of proof * (term,term) subst
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       | PGen of proof * term
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       | PGenAbs of proof * term option * term list
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       | PImpAS of proof * proof
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       | PSym of proof
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       | PTrans of proof * proof
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       | PComb of proof * proof
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       | PEqMp of proof * proof
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       | PEqImp of proof
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       | PExists of proof * term * term
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       | PChoose of term * proof * proof
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       | PConj of proof * proof
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       | PConjunct1 of proof
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       | PConjunct2 of proof
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       | PDisj1 of proof * term
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       | PDisj2 of proof * term
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       | PDisjCases of proof * proof * proof
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       | PNotI of proof
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       | PNotE of proof
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       | PContr of proof * term
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exception PK of string * string
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fun ERR f mesg = PK (f,mesg)
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fun print_exn e =
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    case e of
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        PK (m,s) => (writeln ("PK (" ^ m ^ "): " ^ s); raise e)
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      | _ => OldGoals.print_exn e
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(* Compatibility. *)
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val string_of_mixfix = Pretty.string_of o Syntax.pretty_mixfix;
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fun mk_syn thy c =
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  if Syntax.is_identifier c andalso not (Syntax.is_keyword (Sign.syn_of thy) c) then NoSyn
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  else Syntax.literal c
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fun quotename c =
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  if Syntax.is_identifier c andalso not (OuterKeyword.is_keyword c) then c else quote c
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fun simple_smart_string_of_cterm ct =
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    let
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        val thy = Thm.theory_of_cterm ct;
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        val {t,T,...} = rep_cterm ct
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        (* Hack to avoid parse errors with Trueprop *)
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        val ct  = (cterm_of thy (HOLogic.dest_Trueprop t)
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                           handle TERM _ => ct)
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    in
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        quote(
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        PrintMode.setmp [] (
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        Library.setmp show_brackets false (
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        Library.setmp show_all_types true (
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        Library.setmp Syntax.ambiguity_is_error false (
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        Library.setmp show_sorts true Display.string_of_cterm))))
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        ct)
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    end
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exception SMART_STRING
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fun smart_string_of_cterm ct =
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    let
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        val thy = Thm.theory_of_cterm ct
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        val ctxt = ProofContext.init thy
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        val {t,T,...} = rep_cterm ct
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        (* Hack to avoid parse errors with Trueprop *)
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        val ct  = (cterm_of thy (HOLogic.dest_Trueprop t)
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                   handle TERM _ => ct)
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        fun match u = t aconv u
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        fun G 0 = Library.setmp show_types true (Library.setmp show_sorts true)
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          | G 1 = Library.setmp show_brackets true (G 0)
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          | G 2 = Library.setmp show_all_types true (G 0)
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          | G 3 = Library.setmp show_brackets true (G 2)
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          | G _ = raise SMART_STRING
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        fun F n =
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            let
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                val str = Library.setmp show_brackets false (G n Display.string_of_cterm) ct
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                val u = Syntax.parse_term ctxt str
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                  |> TypeInfer.constrain T |> Syntax.check_term ctxt
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            in
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                if match u
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                then quote str
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                else F (n+1)
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            end
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            handle ERROR mesg => F (n+1)
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                 | SMART_STRING => error ("smart_string failed for: "^(G 0 Display.string_of_cterm ct))
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    in
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      PrintMode.setmp [] (Library.setmp Syntax.ambiguity_is_error true F) 0
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    end
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    handle ERROR mesg => simple_smart_string_of_cterm ct
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val smart_string_of_thm = smart_string_of_cterm o cprop_of
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fun prth th = writeln (PrintMode.setmp [] Display.string_of_thm th)
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fun prc ct = writeln (PrintMode.setmp [] Display.string_of_cterm ct)
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fun prin t = writeln (PrintMode.setmp [] (fn () => Syntax.string_of_term_global (the_context ()) t) ());
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fun pth (HOLThm(ren,thm)) =
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    let
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        (*val _ = writeln "Renaming:"
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        val _ = app (fn(v,w) => (prin v; writeln " -->"; prin w)) ren*)
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        val _ = prth thm
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    in
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        ()
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    end
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fun disk_info_of (Proof(Info{disk_info,...},_)) = !disk_info
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fun mk_proof p = Proof(Info{disk_info = ref NONE},p)
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fun content_of (Proof(_,p)) = p
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fun set_disk_info_of (Proof(Info{disk_info,...},_)) thyname thmname =
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    disk_info := SOME(thyname,thmname)
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structure Lib =
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struct
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fun wrap b e s = String.concat[b,s,e]
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fun assoc x =
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    let
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        fun F [] = raise PK("Lib.assoc","Not found")
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          | F ((x',y)::rest) = if x = x'
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                               then y
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                               else F rest
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    in
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        F
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    end
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fun i mem L =
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    let fun itr [] = false
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          | itr (a::rst) = i=a orelse itr rst
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    in itr L end;
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fun insert i L = if i mem L then L else i::L
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fun mk_set [] = []
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  | mk_set (a::rst) = insert a (mk_set rst)
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fun [] union S = S
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  | S union [] = S
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  | (a::rst) union S2 = rst union (insert a S2)
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fun implode_subst [] = []
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  | implode_subst (x::r::rest) = ((x,r)::(implode_subst rest))
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  | implode_subst _ = raise ERR "implode_subst" "malformed substitution list"
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end
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open Lib
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structure Tag =
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struct
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val empty_tag = Tag []
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fun read name = Tag [name]
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fun merge (Tag tag1) (Tag tag2) = Tag (Lib.union(tag1,tag2))
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end
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(* Actual code. *)
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fun get_segment thyname l = (Lib.assoc "s" l
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                             handle PK _ => thyname)
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val get_name : (string * string) list -> string = Lib.assoc "n"
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local
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    open LazyScan
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    infix 7 |-- --|
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    infix 5 :-- -- ^^
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    infix 3 >>
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    infix 0 ||
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in
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exception XML of string
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datatype xml = Elem of string * (string * string) list * xml list
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datatype XMLtype = XMLty of xml | FullType of hol_type
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datatype XMLterm = XMLtm of xml | FullTerm of term
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fun pair x y = (x,y)
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fun scan_id toks =
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    let
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        val (x,toks2) = one Char.isAlpha toks
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        val (xs,toks3) = any Char.isAlphaNum toks2
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    in
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        (String.implode (x::xs),toks3)
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    end
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fun scan_string str c =
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    let
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        fun F [] toks = (c,toks)
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          | F (c::cs) toks =
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            case LazySeq.getItem toks of
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   340
                SOME(c',toks') =>
wenzelm@26626
   341
                if c = c'
wenzelm@26626
   342
                then F cs toks'
wenzelm@26626
   343
                else raise SyntaxError
wenzelm@26626
   344
              | NONE => raise SyntaxError
skalberg@14516
   345
    in
wenzelm@26626
   346
        F (String.explode str)
skalberg@14516
   347
    end
skalberg@14516
   348
skalberg@14516
   349
local
skalberg@14516
   350
    val scan_entity =
wenzelm@26626
   351
        (scan_string "amp;" #"&")
wenzelm@26626
   352
            || scan_string "quot;" #"\""
wenzelm@26626
   353
            || scan_string "gt;" #">"
wenzelm@26626
   354
            || scan_string "lt;" #"<"
skalberg@14620
   355
            || scan_string "apos;" #"'"
skalberg@14516
   356
in
skalberg@14516
   357
fun scan_nonquote toks =
skalberg@14516
   358
    case LazySeq.getItem toks of
wenzelm@26626
   359
        SOME (c,toks') =>
wenzelm@26626
   360
        (case c of
wenzelm@26626
   361
             #"\"" => raise SyntaxError
wenzelm@26626
   362
           | #"&" => scan_entity toks'
wenzelm@26626
   363
           | c => (c,toks'))
skalberg@15531
   364
      | NONE => raise SyntaxError
skalberg@14516
   365
end
skalberg@14516
   366
skalberg@14516
   367
val scan_string = $$ #"\"" |-- repeat scan_nonquote --| $$ #"\"" >>
wenzelm@26626
   368
                     String.implode
skalberg@14516
   369
skalberg@14516
   370
val scan_attribute = scan_id -- $$ #"=" |-- scan_string
skalberg@14516
   371
skalberg@14516
   372
val scan_start_of_tag = $$ #"<" |-- scan_id --
wenzelm@26626
   373
                           repeat ($$ #" " |-- scan_attribute)
skalberg@14516
   374
skalberg@14518
   375
(* The evaluation delay introduced through the 'toks' argument is needed
skalberg@14518
   376
for the sake of the SML/NJ (110.9.1) compiler.  Either that or an explicit
skalberg@14518
   377
type :-( *)
skalberg@14518
   378
fun scan_end_of_tag toks = ($$ #"/" |-- $$ #">" |-- succeed []) toks
skalberg@14518
   379
skalberg@14516
   380
val scan_end_tag = $$ #"<" |-- $$ #"/" |-- scan_id --| $$ #">"
skalberg@14516
   381
skalberg@14516
   382
fun scan_children id = $$ #">" |-- repeat scan_tag -- scan_end_tag >>
wenzelm@26626
   383
                       (fn (chldr,id') => if id = id'
wenzelm@26626
   384
                                          then chldr
wenzelm@26626
   385
                                          else raise XML "Tag mismatch")
skalberg@14516
   386
and scan_tag toks =
skalberg@14516
   387
    let
wenzelm@26626
   388
        val ((id,atts),toks2) = scan_start_of_tag toks
wenzelm@26626
   389
        val (chldr,toks3) = (scan_children id || scan_end_of_tag) toks2
skalberg@14516
   390
    in
wenzelm@26626
   391
        (Elem (id,atts,chldr),toks3)
skalberg@14516
   392
    end
skalberg@14516
   393
end
skalberg@14516
   394
skalberg@14516
   395
val type_of = Term.type_of
skalberg@14516
   396
skalberg@14516
   397
val boolT = Type("bool",[])
skalberg@14516
   398
val propT = Type("prop",[])
skalberg@14516
   399
skalberg@14516
   400
fun mk_defeq name rhs thy =
skalberg@14516
   401
    let
wenzelm@26626
   402
        val ty = type_of rhs
skalberg@14516
   403
    in
wenzelm@26626
   404
        Logic.mk_equals (Const(Sign.intern_const thy name,ty),rhs)
skalberg@14516
   405
    end
skalberg@14516
   406
skalberg@14516
   407
fun mk_teq name rhs thy =
skalberg@14516
   408
    let
wenzelm@26626
   409
        val ty = type_of rhs
skalberg@14516
   410
    in
wenzelm@26626
   411
        HOLogic.mk_eq (Const(Sign.intern_const thy name,ty),rhs)
skalberg@14516
   412
    end
skalberg@14516
   413
skalberg@14516
   414
fun intern_const_name thyname const thy =
skalberg@14516
   415
    case get_hol4_const_mapping thyname const thy of
wenzelm@26626
   416
        SOME (_,cname,_) => cname
skalberg@15531
   417
      | NONE => (case get_hol4_const_renaming thyname const thy of
wenzelm@26626
   418
                     SOME cname => Sign.intern_const thy (thyname ^ "." ^ cname)
wenzelm@26626
   419
                   | NONE => Sign.intern_const thy (thyname ^ "." ^ const))
skalberg@14516
   420
skalberg@14516
   421
fun intern_type_name thyname const thy =
skalberg@14516
   422
    case get_hol4_type_mapping thyname const thy of
wenzelm@26626
   423
        SOME (_,cname) => cname
wenzelm@17894
   424
      | NONE => Sign.intern_const thy (thyname ^ "." ^ const)
skalberg@14516
   425
skalberg@14516
   426
fun mk_vartype name = TFree(name,["HOL.type"])
skalberg@14516
   427
fun mk_thy_type thy Thy Tyop Args = Type(intern_type_name Thy Tyop thy,Args)
skalberg@14516
   428
skalberg@14516
   429
val mk_var = Free
skalberg@14516
   430
skalberg@14516
   431
fun dom_rng (Type("fun",[dom,rng])) = (dom,rng)
skalberg@14516
   432
  | dom_rng _ = raise ERR "dom_rng" "Not a functional type"
skalberg@14516
   433
wenzelm@16486
   434
fun mk_thy_const thy Thy Nam Ty = Const(intern_const_name Thy Nam thy,Ty)
skalberg@14516
   435
wenzelm@24707
   436
local
wenzelm@24707
   437
  fun get_const sg thyname name =
wenzelm@17894
   438
    (case Sign.const_type sg name of
wenzelm@17894
   439
      SOME ty => Const (name, ty)
wenzelm@17894
   440
    | NONE => raise ERR "get_type" (name ^ ": No such constant"))
skalberg@14516
   441
in
wenzelm@16486
   442
fun prim_mk_const thy Thy Nam =
skalberg@14516
   443
    let
wenzelm@17894
   444
      val name = intern_const_name Thy Nam thy
wenzelm@17894
   445
      val cmaps = HOL4ConstMaps.get thy
skalberg@14516
   446
    in
wenzelm@17894
   447
      case StringPair.lookup cmaps (Thy,Nam) of
wenzelm@17894
   448
        SOME(_,_,SOME ty) => Const(name,ty)
wenzelm@17894
   449
      | _ => get_const thy Thy name
skalberg@14516
   450
    end
skalberg@14516
   451
end
skalberg@14516
   452
skalberg@14516
   453
fun mk_comb(f,a) = f $ a
skalberg@14516
   454
skalberg@14516
   455
(* Needed for HOL Light *)
skalberg@14516
   456
fun protect_tyvarname s =
skalberg@14516
   457
    let
wenzelm@26626
   458
        fun no_quest s =
wenzelm@26626
   459
            if Char.contains s #"?"
wenzelm@26626
   460
            then String.translate (fn #"?" => "q_" | c => Char.toString c) s
wenzelm@26626
   461
            else s
wenzelm@26626
   462
        fun beg_prime s =
wenzelm@26626
   463
            if String.isPrefix "'" s
wenzelm@26626
   464
            then s
wenzelm@26626
   465
            else "'" ^ s
skalberg@14516
   466
    in
wenzelm@26626
   467
        s |> no_quest |> beg_prime
skalberg@14516
   468
    end
obua@17440
   469
obua@17444
   470
val protected_varnames = ref (Symtab.empty:string Symtab.table)
wenzelm@24630
   471
val invented_isavar = ref 0
obua@17444
   472
obua@17490
   473
fun innocent_varname s = Syntax.is_identifier s andalso not (String.isPrefix "u_" s)
obua@17490
   474
wenzelm@18678
   475
val check_name_thy = theory "Main"
obua@17592
   476
wenzelm@18678
   477
fun valid_boundvarname s =
wenzelm@24707
   478
  can (fn () => Syntax.read_term_global check_name_thy ("SOME "^s^". True")) ();
wenzelm@18678
   479
wenzelm@18678
   480
fun valid_varname s =
wenzelm@24707
   481
  can (fn () => Syntax.read_term_global check_name_thy s) ();
obua@17490
   482
skalberg@14516
   483
fun protect_varname s =
obua@17490
   484
    if innocent_varname s andalso valid_varname s then s else
obua@17444
   485
    case Symtab.lookup (!protected_varnames) s of
obua@17444
   486
      SOME t => t
wenzelm@24707
   487
    | NONE =>
obua@17444
   488
      let
wenzelm@26626
   489
          val _ = inc invented_isavar
wenzelm@26626
   490
          val t = "u_" ^ string_of_int (!invented_isavar)
wenzelm@26626
   491
          val _ = ImportRecorder.protect_varname s t
obua@17444
   492
          val _ = protected_varnames := Symtab.update (s, t) (!protected_varnames)
obua@17444
   493
      in
wenzelm@26626
   494
          t
obua@17444
   495
      end
skalberg@14516
   496
obua@19067
   497
exception REPLAY_PROTECT_VARNAME of string*string*string
obua@19067
   498
wenzelm@24707
   499
fun replay_protect_varname s t =
wenzelm@26626
   500
        case Symtab.lookup (!protected_varnames) s of
wenzelm@26626
   501
          SOME t' => raise REPLAY_PROTECT_VARNAME (s, t, t')
wenzelm@26626
   502
        | NONE =>
obua@19067
   503
          let
wenzelm@26626
   504
              val _ = inc invented_isavar
wenzelm@26626
   505
              val t = "u_" ^ string_of_int (!invented_isavar)
obua@19067
   506
              val _ = protected_varnames := Symtab.update (s, t) (!protected_varnames)
obua@19067
   507
          in
wenzelm@26626
   508
              ()
wenzelm@24707
   509
          end
wenzelm@24707
   510
obua@17490
   511
fun protect_boundvarname s = if innocent_varname s andalso valid_boundvarname s then s else "u"
obua@17440
   512
obua@17440
   513
fun mk_lambda (v as Free (x, T)) t = Abs (protect_boundvarname x, T, abstract_over (v, t))
obua@17440
   514
  | mk_lambda (v as Var ((x, _), T)) t = Abs (protect_boundvarname x, T, abstract_over (v, t))
obua@17440
   515
  | mk_lambda v t = raise TERM ("lambda", [v, t]);
wenzelm@24707
   516
wenzelm@24707
   517
fun replacestr x y s =
obua@17440
   518
let
obua@17440
   519
  val xl = explode x
obua@17440
   520
  val yl = explode y
obua@17440
   521
  fun isprefix [] ys = true
obua@17440
   522
    | isprefix (x::xs) (y::ys) = if x = y then isprefix xs ys else false
wenzelm@24707
   523
    | isprefix _ _ = false
obua@17440
   524
  fun isp s = isprefix xl s
obua@17440
   525
  fun chg s = yl@(List.drop (s, List.length xl))
obua@17440
   526
  fun r [] = []
wenzelm@24707
   527
    | r (S as (s::ss)) = if isp S then r (chg S) else s::(r ss)
obua@17440
   528
in
obua@17440
   529
  implode(r (explode s))
wenzelm@24707
   530
end
obua@17440
   531
obua@17440
   532
fun protect_factname s = replacestr "." "_dot_" s
wenzelm@24707
   533
fun unprotect_factname s = replacestr "_dot_" "." s
obua@17440
   534
obua@17322
   535
val ty_num_prefix = "N_"
obua@17322
   536
obua@17322
   537
fun startsWithDigit s = Char.isDigit (hd (String.explode s))
obua@17322
   538
wenzelm@24707
   539
fun protect_tyname tyn =
obua@17322
   540
  let
wenzelm@24707
   541
    val tyn' =
wenzelm@24707
   542
      if String.isPrefix ty_num_prefix tyn then raise (ERR "protect_ty_name" ("type name '"^tyn^"' is reserved")) else
obua@17322
   543
      (if startsWithDigit tyn then ty_num_prefix^tyn else tyn)
obua@17322
   544
  in
obua@17322
   545
    tyn'
obua@17322
   546
  end
obua@17322
   547
wenzelm@24707
   548
fun protect_constname tcn = tcn
obua@17444
   549
 (* if tcn = ".." then "dotdot"
obua@17444
   550
  else if tcn = "==" then "eqeq"
obua@17444
   551
  else tcn*)
obua@17322
   552
skalberg@14516
   553
structure TypeNet =
skalberg@14516
   554
struct
obua@17322
   555
skalberg@14516
   556
fun get_type_from_index thy thyname types is =
skalberg@14516
   557
    case Int.fromString is of
wenzelm@26626
   558
        SOME i => (case Array.sub(types,i) of
wenzelm@26626
   559
                       FullType ty => ty
wenzelm@26626
   560
                     | XMLty xty =>
wenzelm@26626
   561
                       let
wenzelm@26626
   562
                           val ty = get_type_from_xml thy thyname types xty
wenzelm@26626
   563
                           val _  = Array.update(types,i,FullType ty)
wenzelm@26626
   564
                       in
wenzelm@26626
   565
                           ty
wenzelm@26626
   566
                       end)
skalberg@14516
   567
      | NONE => raise ERR "get_type_from_index" "Bad index"
skalberg@14516
   568
and get_type_from_xml thy thyname types =
skalberg@14516
   569
    let
wenzelm@26626
   570
        fun gtfx (Elem("tyi",[("i",iS)],[])) =
wenzelm@26626
   571
                 get_type_from_index thy thyname types iS
wenzelm@26626
   572
          | gtfx (Elem("tyc",atts,[])) =
wenzelm@26626
   573
            mk_thy_type thy
wenzelm@26626
   574
                        (get_segment thyname atts)
wenzelm@26626
   575
                        (protect_tyname (get_name atts))
wenzelm@26626
   576
                        []
wenzelm@26626
   577
          | gtfx (Elem("tyv",[("n",s)],[])) = mk_vartype (protect_tyvarname s)
wenzelm@26626
   578
          | gtfx (Elem("tya",[],(Elem("tyc",atts,[]))::tys)) =
wenzelm@26626
   579
            mk_thy_type thy
wenzelm@26626
   580
                        (get_segment thyname atts)
wenzelm@26626
   581
                        (protect_tyname (get_name atts))
wenzelm@26626
   582
                        (map gtfx tys)
wenzelm@26626
   583
          | gtfx _ = raise ERR "get_type" "Bad type"
skalberg@14516
   584
    in
wenzelm@26626
   585
        gtfx
skalberg@14516
   586
    end
skalberg@14516
   587
skalberg@14516
   588
fun input_types thyname (Elem("tylist",[("i",i)],xtys)) =
skalberg@14516
   589
    let
wenzelm@26626
   590
        val types = Array.array(valOf (Int.fromString i),XMLty (Elem("",[],[])))
wenzelm@26626
   591
        fun IT _ [] = ()
wenzelm@26626
   592
          | IT n (xty::xtys) =
wenzelm@26626
   593
            (Array.update(types,n,XMLty xty);
wenzelm@26626
   594
             IT (n+1) xtys)
wenzelm@26626
   595
        val _ = IT 0 xtys
skalberg@14516
   596
    in
wenzelm@26626
   597
        types
skalberg@14516
   598
    end
skalberg@14516
   599
  | input_types _ _ = raise ERR "input_types" "Bad type list"
skalberg@14516
   600
end
skalberg@14516
   601
skalberg@14516
   602
structure TermNet =
skalberg@14516
   603
struct
obua@17322
   604
skalberg@14516
   605
fun get_term_from_index thy thyname types terms is =
skalberg@14516
   606
    case Int.fromString is of
wenzelm@26626
   607
        SOME i => (case Array.sub(terms,i) of
wenzelm@26626
   608
                       FullTerm tm => tm
wenzelm@26626
   609
                     | XMLtm xtm =>
wenzelm@26626
   610
                       let
wenzelm@26626
   611
                           val tm = get_term_from_xml thy thyname types terms xtm
wenzelm@26626
   612
                           val _  = Array.update(terms,i,FullTerm tm)
wenzelm@26626
   613
                       in
wenzelm@26626
   614
                           tm
wenzelm@26626
   615
                       end)
skalberg@14516
   616
      | NONE => raise ERR "get_term_from_index" "Bad index"
skalberg@14516
   617
and get_term_from_xml thy thyname types terms =
skalberg@14516
   618
    let
wenzelm@26626
   619
        fun get_type [] = NONE
wenzelm@26626
   620
          | get_type [ty] = SOME (TypeNet.get_type_from_xml thy thyname types ty)
wenzelm@26626
   621
          | get_type _ = raise ERR "get_term" "Bad type"
skalberg@14516
   622
wenzelm@26626
   623
        fun gtfx (Elem("tmv",[("n",name),("t",tyi)],[])) =
wenzelm@26626
   624
            mk_var(protect_varname name,TypeNet.get_type_from_index thy thyname types tyi)
wenzelm@26626
   625
          | gtfx (Elem("tmc",atts,[])) =
wenzelm@26626
   626
            let
wenzelm@26626
   627
                val segment = get_segment thyname atts
wenzelm@26626
   628
                val name = protect_constname(get_name atts)
wenzelm@26626
   629
            in
wenzelm@26626
   630
                mk_thy_const thy segment name (TypeNet.get_type_from_index thy thyname types (Lib.assoc "t" atts))
wenzelm@26626
   631
                handle PK _ => prim_mk_const thy segment name
wenzelm@26626
   632
            end
wenzelm@26626
   633
          | gtfx (Elem("tma",[("f",tmf),("a",tma)],[])) =
wenzelm@26626
   634
            let
wenzelm@26626
   635
                val f = get_term_from_index thy thyname types terms tmf
wenzelm@26626
   636
                val a = get_term_from_index thy thyname types terms tma
wenzelm@26626
   637
            in
wenzelm@26626
   638
                mk_comb(f,a)
wenzelm@26626
   639
            end
wenzelm@26626
   640
          | gtfx (Elem("tml",[("x",tmx),("a",tma)],[])) =
wenzelm@26626
   641
            let
wenzelm@24707
   642
                val x = get_term_from_index thy thyname types terms tmx
obua@17490
   643
                val a = get_term_from_index thy thyname types terms tma
wenzelm@26626
   644
            in
wenzelm@26626
   645
                mk_lambda x a
wenzelm@26626
   646
            end
wenzelm@26626
   647
          | gtfx (Elem("tmi",[("i",iS)],[])) =
wenzelm@26626
   648
            get_term_from_index thy thyname types terms iS
wenzelm@26626
   649
          | gtfx (Elem(tag,_,_)) =
wenzelm@26626
   650
            raise ERR "get_term" ("Not a term: "^tag)
skalberg@14516
   651
    in
wenzelm@26626
   652
        gtfx
skalberg@14516
   653
    end
skalberg@14516
   654
skalberg@14516
   655
fun input_terms thyname types (Elem("tmlist",[("i",i)],xtms)) =
skalberg@14516
   656
    let
wenzelm@26626
   657
        val terms = Array.array(valOf(Int.fromString i),XMLtm (Elem("",[],[])))
skalberg@14516
   658
wenzelm@26626
   659
        fun IT _ [] = ()
wenzelm@26626
   660
          | IT n (xtm::xtms) =
wenzelm@26626
   661
            (Array.update(terms,n,XMLtm xtm);
wenzelm@26626
   662
             IT (n+1) xtms)
wenzelm@26626
   663
        val _ = IT 0 xtms
skalberg@14516
   664
    in
wenzelm@26626
   665
        terms
skalberg@14516
   666
    end
skalberg@14516
   667
  | input_terms _ _ _ = raise ERR "input_terms" "Bad term list"
skalberg@14516
   668
end
skalberg@14516
   669
skalberg@14516
   670
fun get_proof_dir (thyname:string) thy =
skalberg@14516
   671
    let
wenzelm@26626
   672
        val import_segment =
wenzelm@26626
   673
            case get_segment2 thyname thy of
wenzelm@26626
   674
                SOME seg => seg
wenzelm@26626
   675
              | NONE => get_import_segment thy
wenzelm@26626
   676
        val path = space_explode ":" (getenv "HOL4_PROOFS")
wenzelm@26626
   677
        fun find [] = NONE
wenzelm@26626
   678
          | find (p::ps) =
wenzelm@26626
   679
            (let
wenzelm@26626
   680
                 val dir = OS.Path.joinDirFile {dir = p,file=import_segment}
wenzelm@26626
   681
             in
wenzelm@26626
   682
                 if OS.FileSys.isDir dir
wenzelm@26626
   683
                 then SOME dir
wenzelm@26626
   684
                 else find ps
wenzelm@26626
   685
             end) handle OS.SysErr _ => find ps
skalberg@14516
   686
    in
wenzelm@26626
   687
        Option.map (fn p => OS.Path.joinDirFile {dir = p, file = thyname}) (find path)
skalberg@14516
   688
    end
wenzelm@24707
   689
skalberg@14516
   690
fun proof_file_name thyname thmname thy =
skalberg@14516
   691
    let
wenzelm@26626
   692
        val path = case get_proof_dir thyname thy of
wenzelm@26626
   693
                       SOME p => p
wenzelm@26626
   694
                     | NONE => error "Cannot find proof files"
wenzelm@26626
   695
        val _ = OS.FileSys.mkDir path handle OS.SysErr _ => ()
skalberg@14516
   696
    in
wenzelm@26626
   697
        OS.Path.joinDirFile {dir = path, file = OS.Path.joinBaseExt {base = (unprotect_factname thmname), ext = SOME "prf"}}
skalberg@14516
   698
    end
wenzelm@24707
   699
skalberg@14516
   700
fun xml_to_proof thyname types terms prf thy =
skalberg@14516
   701
    let
wenzelm@26626
   702
        val xml_to_hol_type = TypeNet.get_type_from_xml thy thyname types
wenzelm@26626
   703
        val xml_to_term = TermNet.get_term_from_xml thy thyname types terms
skalberg@14516
   704
wenzelm@26626
   705
        fun index_to_term is =
wenzelm@26626
   706
            TermNet.get_term_from_index thy thyname types terms is
skalberg@14516
   707
wenzelm@26626
   708
        fun x2p (Elem("prefl",[("i",is)],[])) = mk_proof (PRefl (index_to_term is))
wenzelm@26626
   709
          | x2p (Elem("pinstt",[],p::lambda)) =
wenzelm@26626
   710
            let
wenzelm@26626
   711
                val p = x2p p
wenzelm@26626
   712
                val lambda = implode_subst (map xml_to_hol_type lambda)
wenzelm@26626
   713
            in
wenzelm@26626
   714
                mk_proof (PInstT(p,lambda))
wenzelm@26626
   715
            end
wenzelm@26626
   716
          | x2p (Elem("psubst",[("i",is)],prf::prfs)) =
wenzelm@26626
   717
            let
wenzelm@26626
   718
                val tm = index_to_term is
wenzelm@26626
   719
                val prf = x2p prf
wenzelm@26626
   720
                val prfs = map x2p prfs
wenzelm@26626
   721
            in
wenzelm@26626
   722
                mk_proof (PSubst(prfs,tm,prf))
wenzelm@26626
   723
            end
wenzelm@26626
   724
          | x2p (Elem("pabs",[("i",is)],[prf])) =
wenzelm@26626
   725
            let
wenzelm@26626
   726
                val p = x2p prf
wenzelm@26626
   727
                val t = index_to_term is
wenzelm@26626
   728
            in
wenzelm@26626
   729
                mk_proof (PAbs (p,t))
wenzelm@26626
   730
            end
wenzelm@26626
   731
          | x2p (Elem("pdisch",[("i",is)],[prf])) =
wenzelm@26626
   732
            let
wenzelm@26626
   733
                val p = x2p prf
wenzelm@26626
   734
                val t = index_to_term is
wenzelm@26626
   735
            in
wenzelm@26626
   736
                mk_proof (PDisch (p,t))
wenzelm@26626
   737
            end
wenzelm@26626
   738
          | x2p (Elem("pmp",[],[prf1,prf2])) =
wenzelm@26626
   739
            let
wenzelm@26626
   740
                val p1 = x2p prf1
wenzelm@26626
   741
                val p2 = x2p prf2
wenzelm@26626
   742
            in
wenzelm@26626
   743
                mk_proof (PMp(p1,p2))
wenzelm@26626
   744
            end
wenzelm@26626
   745
          | x2p (Elem("phyp",[("i",is)],[])) = mk_proof (PHyp (index_to_term is))
wenzelm@26626
   746
          | x2p (Elem("paxiom",[("n",n),("i",is)],[])) =
wenzelm@26626
   747
            mk_proof (PAxm(n,index_to_term is))
wenzelm@26626
   748
          | x2p (Elem("pfact",atts,[])) =
wenzelm@26626
   749
            let
wenzelm@26626
   750
                val thyname = get_segment thyname atts
wenzelm@26626
   751
                val thmname = protect_factname (get_name atts)
wenzelm@26626
   752
                val p = mk_proof PDisk
wenzelm@26626
   753
                val _  = set_disk_info_of p thyname thmname
wenzelm@26626
   754
            in
wenzelm@26626
   755
                p
wenzelm@26626
   756
            end
wenzelm@26626
   757
          | x2p (Elem("pdef",[("s",seg),("n",name),("i",is)],[])) =
wenzelm@26626
   758
            mk_proof (PDef(seg,protect_constname name,index_to_term is))
wenzelm@26626
   759
          | x2p (Elem("ptmspec",[("s",seg)],p::names)) =
wenzelm@26626
   760
            let
wenzelm@26626
   761
                val names = map (fn Elem("name",[("n",name)],[]) => name
wenzelm@26626
   762
                                  | _ => raise ERR "x2p" "Bad proof (ptmspec)") names
wenzelm@26626
   763
            in
wenzelm@26626
   764
                mk_proof (PTmSpec(seg,names,x2p p))
wenzelm@26626
   765
            end
wenzelm@26626
   766
          | x2p (Elem("ptyintro",[("s",seg),("n",name),("a",abs_name),("r",rep_name)],[xP,xt,p])) =
wenzelm@26626
   767
            let
wenzelm@26626
   768
                val P = xml_to_term xP
wenzelm@26626
   769
                val t = xml_to_term xt
wenzelm@26626
   770
            in
wenzelm@26626
   771
                mk_proof (PTyIntro(seg,protect_tyname name,protect_constname abs_name,protect_constname rep_name,P,t,x2p p))
wenzelm@26626
   772
            end
wenzelm@26626
   773
          | x2p (Elem("ptydef",[("s",seg),("n",name)],[p])) =
wenzelm@26626
   774
            mk_proof (PTyDef(seg,protect_tyname name,x2p p))
wenzelm@26626
   775
          | x2p (xml as Elem("poracle",[],chldr)) =
wenzelm@26626
   776
            let
wenzelm@26626
   777
                val (oracles,terms) = List.partition (fn (Elem("oracle",_,_)) => true | _ => false) chldr
wenzelm@26626
   778
                val ors = map (fn (Elem("oracle",[("n",name)],[])) => name | xml => raise ERR "x2p" "bad oracle") oracles
wenzelm@26626
   779
                val (c,asl) = case terms of
wenzelm@26626
   780
                                  [] => raise ERR "x2p" "Bad oracle description"
wenzelm@26626
   781
                                | (hd::tl) => (hd,tl)
wenzelm@26626
   782
                val tg = foldr (fn (oracle,tg) => Tag.merge (Tag.read oracle) tg) Tag.empty_tag ors
wenzelm@26626
   783
            in
wenzelm@26626
   784
                mk_proof (POracle(tg,map xml_to_term asl,xml_to_term c))
wenzelm@26626
   785
            end
wenzelm@26626
   786
          | x2p (Elem("pspec",[("i",is)],[prf])) =
wenzelm@26626
   787
            let
wenzelm@26626
   788
                val p = x2p prf
wenzelm@26626
   789
                val tm = index_to_term is
wenzelm@26626
   790
            in
wenzelm@26626
   791
                mk_proof (PSpec(p,tm))
wenzelm@26626
   792
            end
wenzelm@26626
   793
          | x2p (Elem("pinst",[],p::theta)) =
wenzelm@26626
   794
            let
wenzelm@26626
   795
                val p = x2p p
wenzelm@26626
   796
                val theta = implode_subst (map xml_to_term theta)
wenzelm@26626
   797
            in
wenzelm@26626
   798
                mk_proof (PInst(p,theta))
wenzelm@26626
   799
            end
wenzelm@26626
   800
          | x2p (Elem("pgen",[("i",is)],[prf])) =
wenzelm@26626
   801
            let
wenzelm@26626
   802
                val p = x2p prf
wenzelm@26626
   803
                val tm = index_to_term is
wenzelm@26626
   804
            in
wenzelm@26626
   805
                mk_proof (PGen(p,tm))
wenzelm@26626
   806
            end
wenzelm@26626
   807
          | x2p (Elem("pgenabs",[],prf::tms)) =
wenzelm@26626
   808
            let
wenzelm@26626
   809
                val p = x2p prf
wenzelm@26626
   810
                val tml = map xml_to_term tms
wenzelm@26626
   811
            in
wenzelm@26626
   812
                mk_proof (PGenAbs(p,NONE,tml))
wenzelm@26626
   813
            end
wenzelm@26626
   814
          | x2p (Elem("pgenabs",[("i",is)],prf::tms)) =
wenzelm@26626
   815
            let
wenzelm@26626
   816
                val p = x2p prf
wenzelm@26626
   817
                val tml = map xml_to_term tms
wenzelm@26626
   818
            in
wenzelm@26626
   819
                mk_proof (PGenAbs(p,SOME (index_to_term is),tml))
wenzelm@26626
   820
            end
wenzelm@26626
   821
          | x2p (Elem("pimpas",[],[prf1,prf2])) =
wenzelm@26626
   822
            let
wenzelm@26626
   823
                val p1 = x2p prf1
wenzelm@26626
   824
                val p2 = x2p prf2
wenzelm@26626
   825
            in
wenzelm@26626
   826
                mk_proof (PImpAS(p1,p2))
wenzelm@26626
   827
            end
wenzelm@26626
   828
          | x2p (Elem("psym",[],[prf])) =
wenzelm@26626
   829
            let
wenzelm@26626
   830
                val p = x2p prf
wenzelm@26626
   831
            in
wenzelm@26626
   832
                mk_proof (PSym p)
wenzelm@26626
   833
            end
wenzelm@26626
   834
          | x2p (Elem("ptrans",[],[prf1,prf2])) =
wenzelm@26626
   835
            let
wenzelm@26626
   836
                val p1 = x2p prf1
wenzelm@26626
   837
                val p2 = x2p prf2
wenzelm@26626
   838
            in
wenzelm@26626
   839
                mk_proof (PTrans(p1,p2))
wenzelm@26626
   840
            end
wenzelm@26626
   841
          | x2p (Elem("pcomb",[],[prf1,prf2])) =
wenzelm@26626
   842
            let
wenzelm@26626
   843
                val p1 = x2p prf1
wenzelm@26626
   844
                val p2 = x2p prf2
wenzelm@26626
   845
            in
wenzelm@26626
   846
                mk_proof (PComb(p1,p2))
wenzelm@26626
   847
            end
wenzelm@26626
   848
          | x2p (Elem("peqmp",[],[prf1,prf2])) =
wenzelm@26626
   849
            let
wenzelm@26626
   850
                val p1 = x2p prf1
wenzelm@26626
   851
                val p2 = x2p prf2
wenzelm@26626
   852
            in
wenzelm@26626
   853
                mk_proof (PEqMp(p1,p2))
wenzelm@26626
   854
            end
wenzelm@26626
   855
          | x2p (Elem("peqimp",[],[prf])) =
wenzelm@26626
   856
            let
wenzelm@26626
   857
                val p = x2p prf
wenzelm@26626
   858
            in
wenzelm@26626
   859
                mk_proof (PEqImp p)
wenzelm@26626
   860
            end
wenzelm@26626
   861
          | x2p (Elem("pexists",[("e",ise),("w",isw)],[prf])) =
wenzelm@26626
   862
            let
wenzelm@26626
   863
                val p = x2p prf
wenzelm@26626
   864
                val ex = index_to_term ise
wenzelm@26626
   865
                val w = index_to_term isw
wenzelm@26626
   866
            in
wenzelm@26626
   867
                mk_proof (PExists(p,ex,w))
wenzelm@26626
   868
            end
wenzelm@26626
   869
          | x2p (Elem("pchoose",[("i",is)],[prf1,prf2])) =
wenzelm@26626
   870
            let
wenzelm@26626
   871
                val v  = index_to_term is
wenzelm@26626
   872
                val p1 = x2p prf1
wenzelm@26626
   873
                val p2 = x2p prf2
wenzelm@26626
   874
            in
wenzelm@26626
   875
                mk_proof (PChoose(v,p1,p2))
wenzelm@26626
   876
            end
wenzelm@26626
   877
          | x2p (Elem("pconj",[],[prf1,prf2])) =
wenzelm@26626
   878
            let
wenzelm@26626
   879
                val p1 = x2p prf1
wenzelm@26626
   880
                val p2 = x2p prf2
wenzelm@26626
   881
            in
wenzelm@26626
   882
                mk_proof (PConj(p1,p2))
wenzelm@26626
   883
            end
wenzelm@26626
   884
          | x2p (Elem("pconjunct1",[],[prf])) =
wenzelm@26626
   885
            let
wenzelm@26626
   886
                val p = x2p prf
wenzelm@26626
   887
            in
wenzelm@26626
   888
                mk_proof (PConjunct1 p)
wenzelm@26626
   889
            end
wenzelm@26626
   890
          | x2p (Elem("pconjunct2",[],[prf])) =
wenzelm@26626
   891
            let
wenzelm@26626
   892
                val p = x2p prf
wenzelm@26626
   893
            in
wenzelm@26626
   894
                mk_proof (PConjunct2 p)
wenzelm@26626
   895
            end
wenzelm@26626
   896
          | x2p (Elem("pdisj1",[("i",is)],[prf])) =
wenzelm@26626
   897
            let
wenzelm@26626
   898
                val p = x2p prf
wenzelm@26626
   899
                val t = index_to_term is
wenzelm@26626
   900
            in
wenzelm@26626
   901
                mk_proof (PDisj1 (p,t))
wenzelm@26626
   902
            end
wenzelm@26626
   903
          | x2p (Elem("pdisj2",[("i",is)],[prf])) =
wenzelm@26626
   904
            let
wenzelm@26626
   905
                val p = x2p prf
wenzelm@26626
   906
                val t = index_to_term is
wenzelm@26626
   907
            in
wenzelm@26626
   908
                mk_proof (PDisj2 (p,t))
wenzelm@26626
   909
            end
wenzelm@26626
   910
          | x2p (Elem("pdisjcases",[],[prf1,prf2,prf3])) =
wenzelm@26626
   911
            let
wenzelm@26626
   912
                val p1 = x2p prf1
wenzelm@26626
   913
                val p2 = x2p prf2
wenzelm@26626
   914
                val p3 = x2p prf3
wenzelm@26626
   915
            in
wenzelm@26626
   916
                mk_proof (PDisjCases(p1,p2,p3))
wenzelm@26626
   917
            end
wenzelm@26626
   918
          | x2p (Elem("pnoti",[],[prf])) =
wenzelm@26626
   919
            let
wenzelm@26626
   920
                val p = x2p prf
wenzelm@26626
   921
            in
wenzelm@26626
   922
                mk_proof (PNotI p)
wenzelm@26626
   923
            end
wenzelm@26626
   924
          | x2p (Elem("pnote",[],[prf])) =
wenzelm@26626
   925
            let
wenzelm@26626
   926
                val p = x2p prf
wenzelm@26626
   927
            in
wenzelm@26626
   928
                mk_proof (PNotE p)
wenzelm@26626
   929
            end
wenzelm@26626
   930
          | x2p (Elem("pcontr",[("i",is)],[prf])) =
wenzelm@26626
   931
            let
wenzelm@26626
   932
                val p = x2p prf
wenzelm@26626
   933
                val t = index_to_term is
wenzelm@26626
   934
            in
wenzelm@26626
   935
                mk_proof (PContr (p,t))
wenzelm@26626
   936
            end
wenzelm@26626
   937
          | x2p xml = raise ERR "x2p" "Bad proof"
skalberg@14516
   938
    in
wenzelm@26626
   939
        x2p prf
skalberg@14516
   940
    end
skalberg@14516
   941
wenzelm@24707
   942
fun import_proof_concl thyname thmname thy =
obua@17322
   943
    let
wenzelm@26626
   944
        val is = TextIO.openIn(proof_file_name thyname thmname thy)
wenzelm@26626
   945
        val (proof_xml,_) = scan_tag (LazySeq.of_instream is)
wenzelm@26626
   946
        val _ = TextIO.closeIn is
wenzelm@24707
   947
    in
wenzelm@26626
   948
        case proof_xml of
wenzelm@26626
   949
            Elem("proof",[],xtypes::xterms::prf::rest) =>
wenzelm@26626
   950
            let
wenzelm@26626
   951
                val types = TypeNet.input_types thyname xtypes
wenzelm@26626
   952
                val terms = TermNet.input_terms thyname types xterms
wenzelm@24707
   953
                fun f xtm thy = TermNet.get_term_from_xml thy thyname types terms xtm
wenzelm@26626
   954
            in
wenzelm@26626
   955
                case rest of
wenzelm@26626
   956
                    [] => NONE
wenzelm@26626
   957
                  | [xtm] => SOME (f xtm)
wenzelm@26626
   958
                  | _ => raise ERR "import_proof" "Bad argument list"
wenzelm@26626
   959
            end
wenzelm@26626
   960
          | _ => raise ERR "import_proof" "Bad proof"
obua@17322
   961
    end
obua@17322
   962
skalberg@14516
   963
fun import_proof thyname thmname thy =
skalberg@14516
   964
    let
wenzelm@26626
   965
        val is = TextIO.openIn(proof_file_name thyname thmname thy)
wenzelm@26626
   966
        val (proof_xml,_) = scan_tag (LazySeq.of_instream is)
wenzelm@26626
   967
        val _ = TextIO.closeIn is
wenzelm@24707
   968
    in
wenzelm@26626
   969
        case proof_xml of
wenzelm@26626
   970
            Elem("proof",[],xtypes::xterms::prf::rest) =>
wenzelm@26626
   971
            let
wenzelm@26626
   972
                val types = TypeNet.input_types thyname xtypes
wenzelm@26626
   973
                val terms = TermNet.input_terms thyname types xterms
wenzelm@26626
   974
            in
wenzelm@26626
   975
                (case rest of
wenzelm@26626
   976
                     [] => NONE
wenzelm@26626
   977
                   | [xtm] => SOME (fn thy => TermNet.get_term_from_xml thy thyname types terms xtm)
wenzelm@26626
   978
                   | _ => raise ERR "import_proof" "Bad argument list",
wenzelm@26626
   979
                 xml_to_proof thyname types terms prf)
wenzelm@26626
   980
            end
wenzelm@26626
   981
          | _ => raise ERR "import_proof" "Bad proof"
skalberg@14516
   982
    end
skalberg@14516
   983
skalberg@14516
   984
fun uniq_compose m th i st =
skalberg@14516
   985
    let
wenzelm@26626
   986
        val res = bicompose false (false,th,m) i st
skalberg@14516
   987
    in
wenzelm@26626
   988
        case Seq.pull res of
wenzelm@26626
   989
            SOME (th,rest) => (case Seq.pull rest of
wenzelm@26626
   990
                                   SOME _ => raise ERR "uniq_compose" "Not unique!"
wenzelm@26626
   991
                                 | NONE => th)
wenzelm@26626
   992
          | NONE => raise ERR "uniq_compose" "No result"
skalberg@14516
   993
    end
skalberg@14516
   994
skalberg@14516
   995
val reflexivity_thm = thm "refl"
skalberg@14516
   996
val substitution_thm = thm "subst"
skalberg@14516
   997
val mp_thm = thm "mp"
skalberg@14516
   998
val imp_antisym_thm = thm "light_imp_as"
skalberg@14516
   999
val disch_thm = thm "impI"
skalberg@14516
  1000
val ccontr_thm = thm "ccontr"
skalberg@14516
  1001
skalberg@14516
  1002
val meta_eq_to_obj_eq_thm = thm "meta_eq_to_obj_eq"
skalberg@14516
  1003
skalberg@14516
  1004
val gen_thm = thm "HOLallI"
skalberg@14516
  1005
val choose_thm = thm "exE"
skalberg@14516
  1006
val exists_thm = thm "exI"
skalberg@14516
  1007
val conj_thm = thm "conjI"
skalberg@14516
  1008
val conjunct1_thm = thm "conjunct1"
skalberg@14516
  1009
val conjunct2_thm = thm "conjunct2"
skalberg@14516
  1010
val spec_thm = thm "spec"
skalberg@14516
  1011
val disj_cases_thm = thm "disjE"
skalberg@14516
  1012
val disj1_thm = thm "disjI1"
skalberg@14516
  1013
val disj2_thm = thm "disjI2"
skalberg@14516
  1014
skalberg@14516
  1015
local
skalberg@14516
  1016
    val th = thm "not_def"
wenzelm@17894
  1017
    val thy = theory_of_thm th
wenzelm@17894
  1018
    val pp = reflexive (cterm_of thy (Const("Trueprop",boolT-->propT)))
skalberg@14516
  1019
in
skalberg@14516
  1020
val not_elim_thm = combination pp th
skalberg@14516
  1021
end
skalberg@14516
  1022
skalberg@14516
  1023
val not_intro_thm = symmetric not_elim_thm
skalberg@14516
  1024
val abs_thm = thm "ext"
skalberg@14516
  1025
val trans_thm = thm "trans"
skalberg@14516
  1026
val symmetry_thm = thm "sym"
skalberg@14516
  1027
val transitivity_thm = thm "trans"
skalberg@14516
  1028
val eqmp_thm = thm "iffD1"
skalberg@14516
  1029
val eqimp_thm = thm "HOL4Setup.eq_imp"
skalberg@14516
  1030
val comb_thm = thm "cong"
skalberg@14516
  1031
skalberg@14516
  1032
(* Beta-eta normalizes a theorem (only the conclusion, not the *
skalberg@14516
  1033
hypotheses!)  *)
skalberg@14516
  1034
skalberg@14516
  1035
fun beta_eta_thm th =
skalberg@14516
  1036
    let
wenzelm@26626
  1037
        val th1 = Thm.equal_elim (Thm.beta_conversion true (cprop_of th))  th
wenzelm@26626
  1038
        val th2 = Thm.equal_elim (Thm.eta_conversion       (cprop_of th1)) th1
skalberg@14516
  1039
    in
wenzelm@26626
  1040
        th2
skalberg@14516
  1041
    end
skalberg@14516
  1042
skalberg@14516
  1043
fun implies_elim_all th =
skalberg@15570
  1044
    Library.foldl (fn (th,p) => implies_elim th (assume p)) (th,cprems_of th)
skalberg@14516
  1045
skalberg@14516
  1046
fun norm_hyps th =
skalberg@14516
  1047
    th |> beta_eta_thm
skalberg@14516
  1048
       |> implies_elim_all
skalberg@14516
  1049
       |> implies_intr_hyps
skalberg@14516
  1050
skalberg@14516
  1051
fun mk_GEN v th sg =
skalberg@14516
  1052
    let
wenzelm@26626
  1053
        val c = HOLogic.dest_Trueprop (concl_of th)
wenzelm@26626
  1054
        val cv = cterm_of sg v
wenzelm@26626
  1055
        val lc = Term.lambda v c
wenzelm@26626
  1056
        val clc = Thm.cterm_of sg lc
wenzelm@26626
  1057
        val cvty = ctyp_of_term cv
wenzelm@26626
  1058
        val th1 = implies_elim_all th
wenzelm@26626
  1059
        val th2 = beta_eta_thm (forall_intr cv th1)
wenzelm@26626
  1060
        val th3 = th2 COMP (beta_eta_thm (Drule.instantiate' [SOME cvty] [SOME clc] gen_thm))
wenzelm@26626
  1061
        val c = prop_of th3
wenzelm@26626
  1062
        val vname = fst(dest_Free v)
wenzelm@26626
  1063
        val (cold,cnew) = case c of
wenzelm@26626
  1064
                              tpc $ (Const("All",allT) $ Abs(oldname,ty,body)) =>
wenzelm@26626
  1065
                              (Abs(oldname,dummyT,Bound 0),Abs(vname,dummyT,Bound 0))
wenzelm@26626
  1066
                            | tpc $ (Const("All",allT) $ rest) => (tpc,tpc)
wenzelm@26626
  1067
                            | _ => raise ERR "mk_GEN" "Unknown conclusion"
wenzelm@26626
  1068
        val th4 = Thm.rename_boundvars cold cnew th3
wenzelm@26626
  1069
        val res = implies_intr_hyps th4
skalberg@14516
  1070
    in
wenzelm@26626
  1071
        res
skalberg@14516
  1072
    end
skalberg@14516
  1073
wenzelm@24707
  1074
val permute_prems = Thm.permute_prems
skalberg@14516
  1075
skalberg@14516
  1076
fun rearrange sg tm th =
skalberg@14516
  1077
    let
wenzelm@26626
  1078
        val tm' = Envir.beta_eta_contract tm
wenzelm@26626
  1079
        fun find []      n = permute_prems 0 1 (implies_intr (Thm.cterm_of sg tm) th)
wenzelm@26626
  1080
          | find (p::ps) n = if tm' aconv (Envir.beta_eta_contract p)
wenzelm@26626
  1081
                             then permute_prems n 1 th
wenzelm@26626
  1082
                             else find ps (n+1)
skalberg@14516
  1083
    in
wenzelm@26626
  1084
        find (prems_of th) 0
skalberg@14516
  1085
    end
skalberg@14516
  1086
skalberg@14516
  1087
fun zip (x::xs) (y::ys) = (x,y)::(zip xs ys)
skalberg@14516
  1088
  | zip [] [] = []
skalberg@14516
  1089
  | zip _ _ = raise ERR "zip" "arguments not of same length"
skalberg@14516
  1090
skalberg@14516
  1091
fun mk_INST dom rng th =
skalberg@14516
  1092
    th |> forall_intr_list dom
skalberg@14516
  1093
       |> forall_elim_list rng
skalberg@14516
  1094
skalberg@14516
  1095
val collect_vars =
skalberg@14516
  1096
    let
wenzelm@26626
  1097
        fun F vars (Bound _) = vars
wenzelm@26626
  1098
          | F vars (tm as Free _) =
wenzelm@26626
  1099
            if tm mem vars
wenzelm@26626
  1100
            then vars
wenzelm@26626
  1101
            else (tm::vars)
wenzelm@26626
  1102
          | F vars (Const _) = vars
wenzelm@26626
  1103
          | F vars (tm1 $ tm2) = F (F vars tm1) tm2
wenzelm@26626
  1104
          | F vars (Abs(_,_,body)) = F vars body
wenzelm@26626
  1105
          | F vars (Var _) = raise ERR "collect_vars" "Schematic variable found"
skalberg@14516
  1106
    in
wenzelm@26626
  1107
        F []
skalberg@14516
  1108
    end
skalberg@14516
  1109
skalberg@14516
  1110
(* Code for disambiguating variablenames (wrt. types) *)
skalberg@14516
  1111
skalberg@14516
  1112
val disamb_info_empty = {vars=[],rens=[]}
skalberg@14516
  1113
skalberg@14516
  1114
fun rens_of {vars,rens} = rens
skalberg@14516
  1115
skalberg@14516
  1116
fun name_of_var (Free(vname,_)) = vname
skalberg@14516
  1117
  | name_of_var _ = raise ERR "name_of_var" "Not a variable"
skalberg@14516
  1118
obua@17322
  1119
fun disamb_term_from info tm = (info, tm)
skalberg@14516
  1120
skalberg@14516
  1121
fun swap (x,y) = (y,x)
skalberg@14516
  1122
obua@17322
  1123
fun has_ren (HOLThm _) = false
skalberg@14516
  1124
skalberg@14516
  1125
fun prinfo {vars,rens} = (writeln "Vars:";
wenzelm@26626
  1126
                          app prin vars;
wenzelm@26626
  1127
                          writeln "Renaming:";
wenzelm@26626
  1128
                          app (fn(x,y)=>(prin x; writeln " -->"; prin y)) rens)
skalberg@14516
  1129
obua@17322
  1130
fun disamb_thm_from info (HOLThm (_,thm)) = (info, thm)
skalberg@14516
  1131
obua@17322
  1132
fun disamb_terms_from info tms = (info, tms)
skalberg@14516
  1133
obua@17324
  1134
fun disamb_thms_from info hthms = (info, map hthm2thm hthms)
skalberg@14516
  1135
skalberg@14516
  1136
fun disamb_term tm   = disamb_term_from disamb_info_empty tm
skalberg@14516
  1137
fun disamb_terms tms = disamb_terms_from disamb_info_empty tms
skalberg@14516
  1138
fun disamb_thm thm   = disamb_thm_from disamb_info_empty thm
skalberg@14516
  1139
fun disamb_thms thms = disamb_thms_from disamb_info_empty thms
skalberg@14516
  1140
obua@17322
  1141
fun norm_hthm sg (hth as HOLThm _) = hth
skalberg@14516
  1142
skalberg@14516
  1143
(* End of disambiguating code *)
skalberg@14516
  1144
wenzelm@17657
  1145
fun disambiguate_frees thm =
wenzelm@17657
  1146
    let
wenzelm@17657
  1147
      fun ERR s = error ("Drule.disambiguate_frees: "^s)
wenzelm@17657
  1148
      val ct = cprop_of thm
wenzelm@17657
  1149
      val t = term_of ct
wenzelm@17657
  1150
      val thy = theory_of_cterm ct
wenzelm@29265
  1151
      val frees = OldTerm.term_frees t
wenzelm@29281
  1152
      val freenames = Term.add_free_names t []
wenzelm@29281
  1153
      val is_old_name = member (op =) freenames
wenzelm@17657
  1154
      fun name_of (Free (n, _)) = n
wenzelm@17657
  1155
        | name_of _ = ERR "name_of"
wenzelm@17657
  1156
      fun new_name' bump map n =
wenzelm@17657
  1157
          let val n' = n^bump in
wenzelm@24707
  1158
            if is_old_name n' orelse Symtab.lookup map n' <> NONE then
wenzelm@17657
  1159
              new_name' (Symbol.bump_string bump) map n
wenzelm@17657
  1160
            else
wenzelm@17657
  1161
              n'
wenzelm@24707
  1162
          end
wenzelm@17657
  1163
      val new_name = new_name' "a"
wenzelm@17657
  1164
      fun replace_name n' (Free (n, t)) = Free (n', t)
wenzelm@17657
  1165
        | replace_name n' _ = ERR "replace_name"
wenzelm@24707
  1166
      (* map: old or fresh name -> old free,
wenzelm@17657
  1167
         invmap: old free which has fresh name assigned to it -> fresh name *)
wenzelm@17657
  1168
      fun dis (v, mapping as (map,invmap)) =
wenzelm@17657
  1169
          let val n = name_of v in
wenzelm@17657
  1170
            case Symtab.lookup map n of
wenzelm@17657
  1171
              NONE => (Symtab.update (n, v) map, invmap)
wenzelm@24707
  1172
            | SOME v' =>
wenzelm@24707
  1173
              if v=v' then
wenzelm@24707
  1174
                mapping
wenzelm@17657
  1175
              else
wenzelm@17657
  1176
                let val n' = new_name map n in
wenzelm@24707
  1177
                  (Symtab.update (n', v) map,
wenzelm@17657
  1178
                   Termtab.update (v, n') invmap)
wenzelm@17657
  1179
                end
wenzelm@17657
  1180
          end
wenzelm@17657
  1181
    in
wenzelm@17657
  1182
      if (length freenames = length frees) then
wenzelm@17657
  1183
        thm
wenzelm@17657
  1184
      else
wenzelm@24707
  1185
        let
wenzelm@24707
  1186
          val (_, invmap) =
wenzelm@24707
  1187
              List.foldl dis (Symtab.empty, Termtab.empty) frees
wenzelm@17657
  1188
          fun make_subst ((oldfree, newname), (intros, elims)) =
wenzelm@24707
  1189
              (cterm_of thy oldfree :: intros,
wenzelm@17657
  1190
               cterm_of thy (replace_name newname oldfree) :: elims)
wenzelm@17657
  1191
          val (intros, elims) = List.foldl make_subst ([], []) (Termtab.dest invmap)
wenzelm@24707
  1192
        in
wenzelm@17657
  1193
          forall_elim_list elims (forall_intr_list intros thm)
wenzelm@24707
  1194
        end
wenzelm@17657
  1195
    end
wenzelm@17657
  1196
skalberg@14516
  1197
val debug = ref false
skalberg@14516
  1198
skalberg@14516
  1199
fun if_debug f x = if !debug then f x else ()
skalberg@14516
  1200
val message = if_debug writeln
skalberg@14516
  1201
obua@19064
  1202
val conjE_helper = permute_prems 0 1 conjE
skalberg@14516
  1203
skalberg@14516
  1204
fun get_hol4_thm thyname thmname thy =
skalberg@14516
  1205
    case get_hol4_theorem thyname thmname thy of
wenzelm@26626
  1206
        SOME hth => SOME (HOLThm hth)
wenzelm@24707
  1207
      | NONE =>
wenzelm@26626
  1208
        let
wenzelm@26626
  1209
            val pending = HOL4Pending.get thy
wenzelm@26626
  1210
        in
wenzelm@26626
  1211
            case StringPair.lookup pending (thyname,thmname) of
wenzelm@26626
  1212
                SOME hth => SOME (HOLThm hth)
wenzelm@26626
  1213
              | NONE => NONE
wenzelm@26626
  1214
        end
skalberg@14516
  1215
skalberg@14516
  1216
fun non_trivial_term_consts tm =
skalberg@15570
  1217
    List.filter (fn c => not (c = "Trueprop" orelse
wenzelm@26626
  1218
                         c = "All" orelse
wenzelm@26626
  1219
                         c = "op -->" orelse
wenzelm@26626
  1220
                         c = "op &" orelse
wenzelm@29270
  1221
                         c = "op =")) (OldTerm.term_consts tm)
skalberg@14516
  1222
skalberg@14516
  1223
fun match_consts t (* th *) =
skalberg@14516
  1224
    let
wenzelm@26626
  1225
        fun add_consts (Const (c, _), cs) =
wenzelm@26626
  1226
            (case c of
wenzelm@26626
  1227
                 "op =" => Library.insert (op =) "==" cs
wenzelm@26626
  1228
               | "op -->" => Library.insert (op =) "==>" cs
wenzelm@26626
  1229
               | "All" => cs
wenzelm@26626
  1230
               | "all" => cs
wenzelm@26626
  1231
               | "op &" => cs
wenzelm@26626
  1232
               | "Trueprop" => cs
wenzelm@26626
  1233
               | _ => Library.insert (op =) c cs)
wenzelm@26626
  1234
          | add_consts (t $ u, cs) = add_consts (t, add_consts (u, cs))
wenzelm@26626
  1235
          | add_consts (Abs (_, _, t), cs) = add_consts (t, cs)
wenzelm@26626
  1236
          | add_consts (_, cs) = cs
wenzelm@26626
  1237
        val t_consts = add_consts(t,[])
skalberg@14516
  1238
    in
wenzelm@26626
  1239
        fn th => eq_set(t_consts,add_consts(prop_of th,[]))
skalberg@14516
  1240
    end
skalberg@14516
  1241
skalberg@14516
  1242
fun split_name str =
skalberg@14516
  1243
    let
wenzelm@26626
  1244
        val sub = Substring.full str
wenzelm@26626
  1245
        val (f,idx) = apsnd Substring.string (Substring.splitr Char.isDigit sub)
wenzelm@26626
  1246
        val (newstr,u) = pairself Substring.string (Substring.splitr (fn c => c = #"_") f)
skalberg@14516
  1247
    in
wenzelm@26626
  1248
        if not (idx = "") andalso u = "_"
wenzelm@26626
  1249
        then SOME (newstr,valOf(Int.fromString idx))
wenzelm@26626
  1250
        else NONE
skalberg@14516
  1251
    end
wenzelm@28397
  1252
    handle _ => NONE  (* FIXME avoid handle _ *)
skalberg@14516
  1253
skalberg@14516
  1254
fun rewrite_hol4_term t thy =
skalberg@14516
  1255
    let
wenzelm@26626
  1256
        val hol4rews1 = map (Thm.transfer thy) (HOL4Rewrites.get thy)
wenzelm@26626
  1257
        val hol4ss = Simplifier.theory_context thy empty_ss
wenzelm@17894
  1258
          setmksimps single addsimps hol4rews1
skalberg@14516
  1259
    in
wenzelm@26626
  1260
        Thm.transfer thy (Simplifier.full_rewrite hol4ss (cterm_of thy t))
skalberg@14516
  1261
    end
skalberg@14516
  1262
skalberg@14516
  1263
fun get_isabelle_thm thyname thmname hol4conc thy =
skalberg@14516
  1264
    let
wenzelm@26626
  1265
        val (info,hol4conc') = disamb_term hol4conc
wenzelm@26626
  1266
        val i2h_conc = symmetric (rewrite_hol4_term (HOLogic.mk_Trueprop hol4conc') thy)
wenzelm@26626
  1267
        val isaconc =
wenzelm@26626
  1268
            case concl_of i2h_conc of
wenzelm@26626
  1269
                Const("==",_) $ lhs $ _ => lhs
wenzelm@26626
  1270
              | _ => error "get_isabelle_thm" "Bad rewrite rule"
wenzelm@26626
  1271
        val _ = (message "Original conclusion:";
wenzelm@26626
  1272
                 if_debug prin hol4conc';
wenzelm@26626
  1273
                 message "Modified conclusion:";
wenzelm@26626
  1274
                 if_debug prin isaconc)
skalberg@14516
  1275
wenzelm@26626
  1276
        fun mk_res th = HOLThm(rens_of info,equal_elim i2h_conc th)
skalberg@14516
  1277
    in
wenzelm@26626
  1278
        case get_hol4_mapping thyname thmname thy of
wenzelm@26626
  1279
            SOME (SOME thmname) =>
wenzelm@26626
  1280
            let
wenzelm@26626
  1281
                val th1 = (SOME (PureThy.get_thm thy thmname)
wenzelm@26626
  1282
                           handle ERROR _ =>
wenzelm@26626
  1283
                                  (case split_name thmname of
wenzelm@26626
  1284
                                       SOME (listname,idx) => (SOME (List.nth(PureThy.get_thms thy listname,idx-1))
wenzelm@28397
  1285
                                                               handle _ => NONE)  (* FIXME avoid handle _ *)
wenzelm@26626
  1286
                                     | NONE => NONE))
wenzelm@26626
  1287
            in
wenzelm@26626
  1288
                case th1 of
wenzelm@26626
  1289
                    SOME th2 =>
wenzelm@26626
  1290
                    (case Shuffler.set_prop thy isaconc [(thmname,th2)] of
wenzelm@26626
  1291
                         SOME (_,th) => (message "YES";(thy, SOME (mk_res th)))
wenzelm@26626
  1292
                       | NONE => (message "NO2";error "get_isabelle_thm" "Bad mapping"))
wenzelm@26626
  1293
                  | NONE => (message "NO1";error "get_isabelle_thm" "Bad mapping")
wenzelm@26626
  1294
            end
wenzelm@26626
  1295
          | SOME NONE => error ("Trying to access ignored theorem " ^ thmname)
wenzelm@26626
  1296
          | NONE =>
wenzelm@26626
  1297
            let
wenzelm@26626
  1298
                val _ = (message "Looking for conclusion:";
wenzelm@26626
  1299
                         if_debug prin isaconc)
wenzelm@26626
  1300
                val cs = non_trivial_term_consts isaconc
wenzelm@26626
  1301
                val _ = (message "Looking for consts:";
wenzelm@26626
  1302
                         message (commas cs))
wenzelm@26626
  1303
                val pot_thms = Shuffler.find_potential thy isaconc
wenzelm@26626
  1304
                val _ = message ((Int.toString (length pot_thms)) ^ " potential theorems")
wenzelm@26626
  1305
            in
wenzelm@26626
  1306
                case Shuffler.set_prop thy isaconc pot_thms of
wenzelm@26626
  1307
                    SOME (isaname,th) =>
wenzelm@26626
  1308
                    let
wenzelm@26626
  1309
                        val hth as HOLThm args = mk_res th
wenzelm@26626
  1310
                        val thy' =  thy |> add_hol4_theorem thyname thmname args
wenzelm@26626
  1311
                                        |> add_hol4_mapping thyname thmname isaname
wenzelm@26626
  1312
                        val _ = ImportRecorder.add_hol_theorem thyname thmname (snd args)
wenzelm@26626
  1313
                        val _ = ImportRecorder.add_hol_mapping thyname thmname isaname
wenzelm@26626
  1314
                    in
wenzelm@26626
  1315
                        (thy',SOME hth)
wenzelm@26626
  1316
                    end
wenzelm@26626
  1317
                  | NONE => (thy,NONE)
wenzelm@26626
  1318
            end
skalberg@14516
  1319
    end
skalberg@15647
  1320
    handle e => (message "Exception in get_isabelle_thm"; if_debug print_exn e handle _ => (); (thy,NONE))
skalberg@14516
  1321
obua@17322
  1322
fun get_isabelle_thm_and_warn thyname thmname hol4conc thy =
obua@17322
  1323
  let
obua@17322
  1324
    val (a, b) = get_isabelle_thm thyname thmname hol4conc thy
obua@17322
  1325
    fun warn () =
obua@17322
  1326
        let
wenzelm@26626
  1327
            val (info,hol4conc') = disamb_term hol4conc
wenzelm@26626
  1328
            val i2h_conc = symmetric (rewrite_hol4_term (HOLogic.mk_Trueprop hol4conc') thy)
wenzelm@26626
  1329
        in
wenzelm@26626
  1330
            case concl_of i2h_conc of
wenzelm@26626
  1331
                Const("==",_) $ lhs $ _ =>
wenzelm@26626
  1332
                (warning ("Failed lookup of theorem '"^thmname^"':");
wenzelm@26626
  1333
                 writeln "Original conclusion:";
wenzelm@26626
  1334
                 prin hol4conc';
wenzelm@26626
  1335
                 writeln "Modified conclusion:";
wenzelm@26626
  1336
                 prin lhs)
wenzelm@26626
  1337
              | _ => ()
wenzelm@26626
  1338
        end
obua@17322
  1339
  in
wenzelm@24707
  1340
      case b of
wenzelm@28397
  1341
          NONE => (warn () handle _ => (); (a,b)) (* FIXME avoid handle _ *)
wenzelm@26626
  1342
        | _ => (a, b)
wenzelm@24707
  1343
  end
obua@17322
  1344
skalberg@14516
  1345
fun get_thm thyname thmname thy =
skalberg@14516
  1346
    case get_hol4_thm thyname thmname thy of
wenzelm@26626
  1347
        SOME hth => (thy,SOME hth)
obua@17322
  1348
      | NONE => ((case import_proof_concl thyname thmname thy of
wenzelm@26626
  1349
                      SOME f => get_isabelle_thm_and_warn thyname thmname (f thy) thy
wenzelm@26626
  1350
                    | NONE => (message "No conclusion"; (thy,NONE)))
wenzelm@26626
  1351
                 handle e as IO.Io _ => (message "IO exception"; (thy,NONE))
wenzelm@26626
  1352
                      | e as PK _ => (message "PK exception"; (thy,NONE)))
skalberg@14516
  1353
skalberg@14516
  1354
fun rename_const thyname thy name =
skalberg@14516
  1355
    case get_hol4_const_renaming thyname name thy of
wenzelm@26626
  1356
        SOME cname => cname
skalberg@15531
  1357
      | NONE => name
skalberg@14516
  1358
skalberg@14516
  1359
fun get_def thyname constname rhs thy =
skalberg@14516
  1360
    let
wenzelm@26626
  1361
        val constname = rename_const thyname thy constname
wenzelm@26626
  1362
        val (thmname,thy') = get_defname thyname constname thy
wenzelm@26626
  1363
        val _ = message ("Looking for definition " ^ thyname ^ "." ^ thmname)
skalberg@14516
  1364
    in
wenzelm@26626
  1365
        get_isabelle_thm_and_warn thyname thmname (mk_teq (thyname ^ "." ^ constname) rhs thy') thy'
skalberg@14516
  1366
    end
skalberg@14516
  1367
skalberg@14516
  1368
fun get_axiom thyname axname thy =
skalberg@14516
  1369
    case get_thm thyname axname thy of
wenzelm@26626
  1370
        arg as (_,SOME _) => arg
skalberg@14516
  1371
      | _ => raise ERR "get_axiom" ("Trying to retrieve axiom (" ^ axname ^ ")")
skalberg@14516
  1372
skalberg@14516
  1373
fun intern_store_thm gen_output thyname thmname hth thy =
skalberg@14516
  1374
    let
wenzelm@26626
  1375
        val (hth' as HOLThm (args as (_,th))) = norm_hthm thy hth
wenzelm@26626
  1376
        val rew = rewrite_hol4_term (concl_of th) thy
wenzelm@26626
  1377
        val th  = equal_elim rew th
wenzelm@26626
  1378
        val thy' = add_hol4_pending thyname thmname args thy
wenzelm@26626
  1379
        val _ = ImportRecorder.add_hol_pending thyname thmname (hthm2thm hth')
wenzelm@17657
  1380
        val th = disambiguate_frees th
wenzelm@26626
  1381
        val thy2 = if gen_output
wenzelm@26626
  1382
                   then add_dump ("lemma " ^ (quotename thmname) ^ ": " ^
wenzelm@24707
  1383
                                  (smart_string_of_thm th) ^ "\n  by (import " ^
obua@17644
  1384
                                  thyname ^ " " ^ (quotename thmname) ^ ")") thy'
wenzelm@26626
  1385
                   else thy'
skalberg@14516
  1386
    in
wenzelm@26626
  1387
        (thy2,hth')
skalberg@14516
  1388
    end
skalberg@14516
  1389
skalberg@14516
  1390
val store_thm = intern_store_thm true
skalberg@14516
  1391
skalberg@14516
  1392
fun mk_REFL ctm =
skalberg@14516
  1393
    let
wenzelm@26626
  1394
        val cty = Thm.ctyp_of_term ctm
skalberg@14516
  1395
    in
wenzelm@26626
  1396
        Drule.instantiate' [SOME cty] [SOME ctm] reflexivity_thm
skalberg@14516
  1397
    end
skalberg@14516
  1398
skalberg@14516
  1399
fun REFL tm thy =
skalberg@14516
  1400
    let
wenzelm@26626
  1401
        val _ = message "REFL:"
wenzelm@26626
  1402
        val (info,tm') = disamb_term tm
wenzelm@26626
  1403
        val ctm = Thm.cterm_of thy tm'
wenzelm@26626
  1404
        val res = HOLThm(rens_of info,mk_REFL ctm)
wenzelm@26626
  1405
        val _ = if_debug pth res
skalberg@14516
  1406
    in
wenzelm@26626
  1407
        (thy,res)
skalberg@14516
  1408
    end
skalberg@14516
  1409
skalberg@14516
  1410
fun ASSUME tm thy =
skalberg@14516
  1411
    let
wenzelm@26626
  1412
        val _ = message "ASSUME:"
wenzelm@26626
  1413
        val (info,tm') = disamb_term tm
wenzelm@26626
  1414
        val ctm = Thm.cterm_of thy (HOLogic.mk_Trueprop tm')
wenzelm@26626
  1415
        val th = Thm.trivial ctm
wenzelm@26626
  1416
        val res = HOLThm(rens_of info,th)
wenzelm@26626
  1417
        val _ = if_debug pth res
skalberg@14516
  1418
    in
wenzelm@26626
  1419
        (thy,res)
skalberg@14516
  1420
    end
skalberg@14516
  1421
skalberg@14516
  1422
fun INST_TYPE lambda (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1423
    let
wenzelm@26626
  1424
        val _ = message "INST_TYPE:"
wenzelm@26626
  1425
        val _ = if_debug pth hth
wenzelm@29270
  1426
        val tys_before = OldTerm.add_term_tfrees (prop_of th,[])
wenzelm@26626
  1427
        val th1 = Thm.varifyT th
wenzelm@29270
  1428
        val tys_after = OldTerm.add_term_tvars (prop_of th1,[])
wenzelm@26626
  1429
        val tyinst = map (fn (bef, iS) =>
wenzelm@26626
  1430
                             (case try (Lib.assoc (TFree bef)) lambda of
wenzelm@26626
  1431
                                  SOME ty => (ctyp_of thy (TVar iS), ctyp_of thy ty)
wenzelm@26626
  1432
                                | NONE => (ctyp_of thy (TVar iS), ctyp_of thy (TFree bef))
wenzelm@26626
  1433
                             ))
wenzelm@26626
  1434
                         (zip tys_before tys_after)
wenzelm@26626
  1435
        val res = Drule.instantiate (tyinst,[]) th1
wenzelm@26626
  1436
        val hth = HOLThm([],res)
wenzelm@26626
  1437
        val res = norm_hthm thy hth
wenzelm@26626
  1438
        val _ = message "RESULT:"
wenzelm@26626
  1439
        val _ = if_debug pth res
skalberg@14516
  1440
    in
wenzelm@26626
  1441
        (thy,res)
skalberg@14516
  1442
    end
skalberg@14516
  1443
skalberg@14516
  1444
fun INST sigma hth thy =
skalberg@14516
  1445
    let
wenzelm@26626
  1446
        val _ = message "INST:"
wenzelm@26626
  1447
        val _ = if_debug (app (fn (x,y) => (prin x; prin y))) sigma
wenzelm@26626
  1448
        val _ = if_debug pth hth
wenzelm@26626
  1449
        val (sdom,srng) = ListPair.unzip (rev sigma)
wenzelm@26626
  1450
        val th = hthm2thm hth
wenzelm@26626
  1451
        val th1 = mk_INST (map (cterm_of thy) sdom) (map (cterm_of thy) srng) th
wenzelm@26626
  1452
        val res = HOLThm([],th1)
wenzelm@26626
  1453
        val _ = message "RESULT:"
wenzelm@26626
  1454
        val _ = if_debug pth res
skalberg@14516
  1455
    in
wenzelm@26626
  1456
        (thy,res)
skalberg@14516
  1457
    end
skalberg@14516
  1458
skalberg@14516
  1459
fun EQ_IMP_RULE (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1460
    let
wenzelm@26626
  1461
        val _ = message "EQ_IMP_RULE:"
wenzelm@26626
  1462
        val _ = if_debug pth hth
wenzelm@26626
  1463
        val res = HOLThm(rens,th RS eqimp_thm)
wenzelm@26626
  1464
        val _ = message "RESULT:"
wenzelm@26626
  1465
        val _ = if_debug pth res
skalberg@14516
  1466
    in
wenzelm@26626
  1467
        (thy,res)
skalberg@14516
  1468
    end
skalberg@14516
  1469
obua@17322
  1470
fun mk_EQ_MP th1 th2 = [beta_eta_thm th1, beta_eta_thm th2] MRS eqmp_thm
skalberg@14516
  1471
skalberg@14516
  1472
fun EQ_MP hth1 hth2 thy =
skalberg@14516
  1473
    let
wenzelm@26626
  1474
        val _ = message "EQ_MP:"
wenzelm@26626
  1475
        val _ = if_debug pth hth1
wenzelm@26626
  1476
        val _ = if_debug pth hth2
wenzelm@26626
  1477
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1478
        val res = HOLThm(rens_of info,mk_EQ_MP th1 th2)
wenzelm@26626
  1479
        val _ = message "RESULT:"
wenzelm@26626
  1480
        val _ = if_debug pth res
skalberg@14516
  1481
    in
wenzelm@26626
  1482
        (thy,res)
skalberg@14516
  1483
    end
skalberg@14516
  1484
wenzelm@17894
  1485
fun mk_COMB th1 th2 thy =
skalberg@14516
  1486
    let
wenzelm@26626
  1487
        val (f,g) = case concl_of th1 of
wenzelm@26626
  1488
                        _ $ (Const("op =",_) $ f $ g) => (f,g)
wenzelm@26626
  1489
                      | _ => raise ERR "mk_COMB" "First theorem not an equality"
wenzelm@26626
  1490
        val (x,y) = case concl_of th2 of
wenzelm@26626
  1491
                        _ $ (Const("op =",_) $ x $ y) => (x,y)
wenzelm@26626
  1492
                      | _ => raise ERR "mk_COMB" "Second theorem not an equality"
wenzelm@26626
  1493
        val fty = type_of f
wenzelm@26626
  1494
        val (fd,fr) = dom_rng fty
wenzelm@26626
  1495
        val comb_thm' = Drule.instantiate'
wenzelm@26626
  1496
                            [SOME (ctyp_of thy fd),SOME (ctyp_of thy fr)]
wenzelm@26626
  1497
                            [SOME (cterm_of thy f),SOME (cterm_of thy g),
wenzelm@26626
  1498
                             SOME (cterm_of thy x),SOME (cterm_of thy y)] comb_thm
skalberg@14516
  1499
    in
wenzelm@26626
  1500
        [th1,th2] MRS comb_thm'
skalberg@14516
  1501
    end
skalberg@14516
  1502
skalberg@14516
  1503
fun SUBST rews ctxt hth thy =
skalberg@14516
  1504
    let
wenzelm@26626
  1505
        val _ = message "SUBST:"
wenzelm@26626
  1506
        val _ = if_debug (app pth) rews
wenzelm@26626
  1507
        val _ = if_debug prin ctxt
wenzelm@26626
  1508
        val _ = if_debug pth hth
wenzelm@26626
  1509
        val (info,th) = disamb_thm hth
wenzelm@26626
  1510
        val (info1,ctxt') = disamb_term_from info ctxt
wenzelm@26626
  1511
        val (info2,rews') = disamb_thms_from info1 rews
skalberg@14516
  1512
wenzelm@26626
  1513
        val cctxt = cterm_of thy ctxt'
wenzelm@26626
  1514
        fun subst th [] = th
wenzelm@26626
  1515
          | subst th (rew::rews) = subst (mk_COMB th rew thy) rews
wenzelm@26626
  1516
        val res = HOLThm(rens_of info2,mk_EQ_MP (subst (mk_REFL cctxt) rews') th)
wenzelm@26626
  1517
        val _ = message "RESULT:"
wenzelm@26626
  1518
        val _ = if_debug pth res
skalberg@14516
  1519
    in
wenzelm@26626
  1520
        (thy,res)
skalberg@14516
  1521
    end
skalberg@14516
  1522
skalberg@14516
  1523
fun DISJ_CASES hth hth1 hth2 thy =
skalberg@14516
  1524
    let
wenzelm@26626
  1525
        val _ = message "DISJ_CASES:"
wenzelm@26626
  1526
        val _ = if_debug (app pth) [hth,hth1,hth2]
wenzelm@26626
  1527
        val (info,th) = disamb_thm hth
wenzelm@26626
  1528
        val (info1,th1) = disamb_thm_from info hth1
wenzelm@26626
  1529
        val (info2,th2) = disamb_thm_from info1 hth2
wenzelm@26626
  1530
        val th1 = norm_hyps th1
wenzelm@26626
  1531
        val th2 = norm_hyps th2
wenzelm@26626
  1532
        val (l,r) = case concl_of th of
wenzelm@26626
  1533
                        _ $ (Const("op |",_) $ l $ r) => (l,r)
wenzelm@26626
  1534
                      | _ => raise ERR "DISJ_CASES" "Conclusion not a disjunction"
wenzelm@26626
  1535
        val th1' = rearrange thy (HOLogic.mk_Trueprop l) th1
wenzelm@26626
  1536
        val th2' = rearrange thy (HOLogic.mk_Trueprop r) th2
wenzelm@26626
  1537
        val res1 = th RS disj_cases_thm
wenzelm@26626
  1538
        val res2 = uniq_compose ((nprems_of th1')-1) th1' ((nprems_of th)+1) res1
wenzelm@26626
  1539
        val res3 = uniq_compose ((nprems_of th2')-1) th2' (nprems_of res2) res2
wenzelm@26626
  1540
        val res  = HOLThm(rens_of info2,res3)
wenzelm@26626
  1541
        val _ = message "RESULT:"
wenzelm@26626
  1542
        val _ = if_debug pth res
skalberg@14516
  1543
    in
wenzelm@26626
  1544
        (thy,res)
skalberg@14516
  1545
    end
skalberg@14516
  1546
skalberg@14516
  1547
fun DISJ1 hth tm thy =
skalberg@14516
  1548
    let
wenzelm@26626
  1549
        val _ = message "DISJ1:"
wenzelm@26626
  1550
        val _ = if_debug pth hth
wenzelm@26626
  1551
        val _ = if_debug prin tm
wenzelm@26626
  1552
        val (info,th) = disamb_thm hth
wenzelm@26626
  1553
        val (info',tm') = disamb_term_from info tm
wenzelm@26626
  1554
        val ct = Thm.cterm_of thy tm'
wenzelm@26626
  1555
        val disj1_thm' = Drule.instantiate' [] [NONE,SOME ct] disj1_thm
wenzelm@26626
  1556
        val res = HOLThm(rens_of info',th RS disj1_thm')
wenzelm@26626
  1557
        val _ = message "RESULT:"
wenzelm@26626
  1558
        val _ = if_debug pth res
skalberg@14516
  1559
    in
wenzelm@26626
  1560
        (thy,res)
skalberg@14516
  1561
    end
skalberg@14516
  1562
skalberg@14516
  1563
fun DISJ2 tm hth thy =
skalberg@14516
  1564
    let
wenzelm@26626
  1565
        val _ = message "DISJ1:"
wenzelm@26626
  1566
        val _ = if_debug prin tm
wenzelm@26626
  1567
        val _ = if_debug pth hth
wenzelm@26626
  1568
        val (info,th) = disamb_thm hth
wenzelm@26626
  1569
        val (info',tm') = disamb_term_from info tm
wenzelm@26626
  1570
        val ct = Thm.cterm_of thy tm'
wenzelm@26626
  1571
        val disj2_thm' = Drule.instantiate' [] [NONE,SOME ct] disj2_thm
wenzelm@26626
  1572
        val res = HOLThm(rens_of info',th RS disj2_thm')
wenzelm@26626
  1573
        val _ = message "RESULT:"
wenzelm@26626
  1574
        val _ = if_debug pth res
skalberg@14516
  1575
    in
wenzelm@26626
  1576
        (thy,res)
skalberg@14516
  1577
    end
skalberg@14516
  1578
skalberg@14516
  1579
fun IMP_ANTISYM hth1 hth2 thy =
skalberg@14516
  1580
    let
wenzelm@26626
  1581
        val _ = message "IMP_ANTISYM:"
wenzelm@26626
  1582
        val _ = if_debug pth hth1
wenzelm@26626
  1583
        val _ = if_debug pth hth2
wenzelm@26626
  1584
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1585
        val th = [beta_eta_thm th1,beta_eta_thm th2] MRS imp_antisym_thm
wenzelm@26626
  1586
        val res = HOLThm(rens_of info,th)
wenzelm@26626
  1587
        val _ = message "RESULT:"
wenzelm@26626
  1588
        val _ = if_debug pth res
skalberg@14516
  1589
    in
wenzelm@26626
  1590
        (thy,res)
skalberg@14516
  1591
    end
skalberg@14516
  1592
skalberg@14516
  1593
fun SYM (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1594
    let
wenzelm@26626
  1595
        val _ = message "SYM:"
wenzelm@26626
  1596
        val _ = if_debug pth hth
wenzelm@26626
  1597
        val th = th RS symmetry_thm
wenzelm@26626
  1598
        val res = HOLThm(rens,th)
wenzelm@26626
  1599
        val _ = message "RESULT:"
wenzelm@26626
  1600
        val _ = if_debug pth res
skalberg@14516
  1601
    in
wenzelm@26626
  1602
        (thy,res)
skalberg@14516
  1603
    end
skalberg@14516
  1604
skalberg@14516
  1605
fun MP hth1 hth2 thy =
skalberg@14516
  1606
    let
wenzelm@26626
  1607
        val _ = message "MP:"
wenzelm@26626
  1608
        val _ = if_debug pth hth1
wenzelm@26626
  1609
        val _ = if_debug pth hth2
wenzelm@26626
  1610
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1611
        val th = [beta_eta_thm th1,beta_eta_thm th2] MRS mp_thm
wenzelm@26626
  1612
        val res = HOLThm(rens_of info,th)
wenzelm@26626
  1613
        val _ = message "RESULT:"
wenzelm@26626
  1614
        val _ = if_debug pth res
skalberg@14516
  1615
    in
wenzelm@26626
  1616
        (thy,res)
skalberg@14516
  1617
    end
skalberg@14516
  1618
skalberg@14516
  1619
fun CONJ hth1 hth2 thy =
skalberg@14516
  1620
    let
wenzelm@26626
  1621
        val _ = message "CONJ:"
wenzelm@26626
  1622
        val _ = if_debug pth hth1
wenzelm@26626
  1623
        val _ = if_debug pth hth2
wenzelm@26626
  1624
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1625
        val th = [th1,th2] MRS conj_thm
wenzelm@26626
  1626
        val res = HOLThm(rens_of info,th)
wenzelm@26626
  1627
        val _ = message "RESULT:"
wenzelm@26626
  1628
        val _ = if_debug pth res
skalberg@14516
  1629
    in
wenzelm@26626
  1630
        (thy,res)
skalberg@14516
  1631
    end
skalberg@14516
  1632
skalberg@14516
  1633
fun CONJUNCT1 (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1634
    let
wenzelm@26626
  1635
        val _ = message "CONJUNCT1:"
wenzelm@26626
  1636
        val _ = if_debug pth hth
wenzelm@26626
  1637
        val res = HOLThm(rens,th RS conjunct1_thm)
wenzelm@26626
  1638
        val _ = message "RESULT:"
wenzelm@26626
  1639
        val _ = if_debug pth res
skalberg@14516
  1640
    in
wenzelm@26626
  1641
        (thy,res)
skalberg@14516
  1642
    end
skalberg@14516
  1643
skalberg@14516
  1644
fun CONJUNCT2 (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1645
    let
wenzelm@26626
  1646
        val _ = message "CONJUNCT1:"
wenzelm@26626
  1647
        val _ = if_debug pth hth
wenzelm@26626
  1648
        val res = HOLThm(rens,th RS conjunct2_thm)
wenzelm@26626
  1649
        val _ = message "RESULT:"
wenzelm@26626
  1650
        val _ = if_debug pth res
skalberg@14516
  1651
    in
wenzelm@26626
  1652
        (thy,res)
skalberg@14516
  1653
    end
skalberg@14516
  1654
skalberg@14516
  1655
fun EXISTS ex wit hth thy =
skalberg@14516
  1656
    let
wenzelm@26626
  1657
        val _ = message "EXISTS:"
wenzelm@26626
  1658
        val _ = if_debug prin ex
wenzelm@26626
  1659
        val _ = if_debug prin wit
wenzelm@26626
  1660
        val _ = if_debug pth hth
wenzelm@26626
  1661
        val (info,th) = disamb_thm hth
wenzelm@26626
  1662
        val (info',[ex',wit']) = disamb_terms_from info [ex,wit]
wenzelm@26626
  1663
        val cwit = cterm_of thy wit'
wenzelm@26626
  1664
        val cty = ctyp_of_term cwit
wenzelm@26626
  1665
        val a = case ex' of
wenzelm@26626
  1666
                    (Const("Ex",_) $ a) => a
wenzelm@26626
  1667
                  | _ => raise ERR "EXISTS" "Argument not existential"
wenzelm@26626
  1668
        val ca = cterm_of thy a
wenzelm@26626
  1669
        val exists_thm' = beta_eta_thm (Drule.instantiate' [SOME cty] [SOME ca,SOME cwit] exists_thm)
wenzelm@26626
  1670
        val th1 = beta_eta_thm th
wenzelm@26626
  1671
        val th2 = implies_elim_all th1
wenzelm@26626
  1672
        val th3 = th2 COMP exists_thm'
wenzelm@26626
  1673
        val th  = implies_intr_hyps th3
wenzelm@26626
  1674
        val res = HOLThm(rens_of info',th)
wenzelm@26626
  1675
        val _   = message "RESULT:"
wenzelm@26626
  1676
        val _   = if_debug pth res
skalberg@14516
  1677
    in
wenzelm@26626
  1678
        (thy,res)
skalberg@14516
  1679
    end
skalberg@14516
  1680
skalberg@14516
  1681
fun CHOOSE v hth1 hth2 thy =
skalberg@14516
  1682
    let
wenzelm@26626
  1683
        val _ = message "CHOOSE:"
wenzelm@26626
  1684
        val _ = if_debug prin v
wenzelm@26626
  1685
        val _ = if_debug pth hth1
wenzelm@26626
  1686
        val _ = if_debug pth hth2
wenzelm@26626
  1687
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1688
        val (info',v') = disamb_term_from info v
wenzelm@26626
  1689
        fun strip 0 _ th = th
wenzelm@26626
  1690
          | strip n (p::ps) th =
wenzelm@26626
  1691
            strip (n-1) ps (implies_elim th (assume p))
wenzelm@26626
  1692
          | strip _ _ _ = raise ERR "CHOOSE" "strip error"
wenzelm@26626
  1693
        val cv = cterm_of thy v'
wenzelm@26626
  1694
        val th2 = norm_hyps th2
wenzelm@26626
  1695
        val cvty = ctyp_of_term cv
wenzelm@26626
  1696
        val c = HOLogic.dest_Trueprop (concl_of th2)
wenzelm@26626
  1697
        val cc = cterm_of thy c
wenzelm@26626
  1698
        val a = case concl_of th1 of
wenzelm@26626
  1699
                    _ $ (Const("Ex",_) $ a) => a
wenzelm@26626
  1700
                  | _ => raise ERR "CHOOSE" "Conclusion not existential"
wenzelm@26626
  1701
        val ca = cterm_of (theory_of_thm th1) a
wenzelm@26626
  1702
        val choose_thm' = beta_eta_thm (Drule.instantiate' [SOME cvty] [SOME ca,SOME cc] choose_thm)
wenzelm@26626
  1703
        val th21 = rearrange thy (HOLogic.mk_Trueprop (a $ v')) th2
wenzelm@26626
  1704
        val th22 = strip ((nprems_of th21)-1) (cprems_of th21) th21
wenzelm@26626
  1705
        val th23 = beta_eta_thm (forall_intr cv th22)
wenzelm@26626
  1706
        val th11 = implies_elim_all (beta_eta_thm th1)
wenzelm@26626
  1707
        val th' = th23 COMP (th11 COMP choose_thm')
wenzelm@26626
  1708
        val th = implies_intr_hyps th'
wenzelm@26626
  1709
        val res = HOLThm(rens_of info',th)
wenzelm@26626
  1710
        val _   = message "RESULT:"
wenzelm@26626
  1711
        val _   = if_debug pth res
skalberg@14516
  1712
    in
wenzelm@26626
  1713
        (thy,res)
skalberg@14516
  1714
    end
skalberg@14516
  1715
skalberg@14516
  1716
fun GEN v hth thy =
skalberg@14516
  1717
    let
obua@17594
  1718
      val _ = message "GEN:"
wenzelm@26626
  1719
        val _ = if_debug prin v
wenzelm@26626
  1720
        val _ = if_debug pth hth
wenzelm@26626
  1721
        val (info,th) = disamb_thm hth
wenzelm@26626
  1722
        val (info',v') = disamb_term_from info v
wenzelm@26626
  1723
        val res = HOLThm(rens_of info',mk_GEN v' th thy)
wenzelm@26626
  1724
        val _ = message "RESULT:"
wenzelm@26626
  1725
        val _ = if_debug pth res
skalberg@14516
  1726
    in
wenzelm@26626
  1727
        (thy,res)
skalberg@14516
  1728
    end
skalberg@14516
  1729
skalberg@14516
  1730
fun SPEC tm hth thy =
skalberg@14516
  1731
    let
wenzelm@26626
  1732
        val _ = message "SPEC:"
wenzelm@26626
  1733
        val _ = if_debug prin tm
wenzelm@26626
  1734
        val _ = if_debug pth hth
wenzelm@26626
  1735
        val (info,th) = disamb_thm hth
wenzelm@26626
  1736
        val (info',tm') = disamb_term_from info tm
wenzelm@26626
  1737
        val ctm = Thm.cterm_of thy tm'
wenzelm@26626
  1738
        val cty = Thm.ctyp_of_term ctm
wenzelm@26626
  1739
        val spec' = Drule.instantiate' [SOME cty] [NONE,SOME ctm] spec_thm
wenzelm@26626
  1740
        val th = th RS spec'
wenzelm@26626
  1741
        val res = HOLThm(rens_of info',th)
wenzelm@26626
  1742
        val _ = message "RESULT:"
wenzelm@26626
  1743
        val _ = if_debug pth res
skalberg@14516
  1744
    in
wenzelm@26626
  1745
        (thy,res)
skalberg@14516
  1746
    end
skalberg@14516
  1747
skalberg@14516
  1748
fun COMB hth1 hth2 thy =
skalberg@14516
  1749
    let
wenzelm@26626
  1750
        val _ = message "COMB:"
wenzelm@26626
  1751
        val _ = if_debug pth hth1
wenzelm@26626
  1752
        val _ = if_debug pth hth2
wenzelm@26626
  1753
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1754
        val res = HOLThm(rens_of info,mk_COMB th1 th2 thy)
wenzelm@26626
  1755
        val _ = message "RESULT:"
wenzelm@26626
  1756
        val _ = if_debug pth res
skalberg@14516
  1757
    in
wenzelm@26626
  1758
        (thy,res)
skalberg@14516
  1759
    end
skalberg@14516
  1760
skalberg@14516
  1761
fun TRANS hth1 hth2 thy =
skalberg@14516
  1762
    let
wenzelm@26626
  1763
        val _ = message "TRANS:"
wenzelm@26626
  1764
        val _ = if_debug pth hth1
wenzelm@26626
  1765
        val _ = if_debug pth hth2
wenzelm@26626
  1766
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1767
        val th = [th1,th2] MRS trans_thm
wenzelm@26626
  1768
        val res = HOLThm(rens_of info,th)
wenzelm@26626
  1769
        val _ = message "RESULT:"
wenzelm@26626
  1770
        val _ = if_debug pth res
skalberg@14516
  1771
    in
wenzelm@26626
  1772
        (thy,res)
skalberg@14516
  1773
    end
wenzelm@24707
  1774
skalberg@14516
  1775
skalberg@14516
  1776
fun CCONTR tm hth thy =
skalberg@14516
  1777
    let
wenzelm@26626
  1778
        val _ = message "SPEC:"
wenzelm@26626
  1779
        val _ = if_debug prin tm
wenzelm@26626
  1780
        val _ = if_debug pth hth
wenzelm@26626
  1781
        val (info,th) = disamb_thm hth
wenzelm@26626
  1782
        val (info',tm') = disamb_term_from info tm
wenzelm@26626
  1783
        val th = norm_hyps th
wenzelm@26626
  1784
        val ct = cterm_of thy tm'
wenzelm@26626
  1785
        val th1 = rearrange thy (HOLogic.mk_Trueprop (Const("Not",boolT-->boolT) $ tm')) th
wenzelm@26626
  1786
        val ccontr_thm' = Drule.instantiate' [] [SOME ct] ccontr_thm
wenzelm@26626
  1787
        val res1 = uniq_compose ((nprems_of th1) - 1) th1 1 ccontr_thm'
wenzelm@26626
  1788
        val res = HOLThm(rens_of info',res1)
wenzelm@26626
  1789
        val _ = message "RESULT:"
wenzelm@26626
  1790
        val _ = if_debug pth res
skalberg@14516
  1791
    in
wenzelm@26626
  1792
        (thy,res)
skalberg@14516
  1793
    end
skalberg@14516
  1794
wenzelm@17894
  1795
fun mk_ABS v th thy =
skalberg@14516
  1796
    let
wenzelm@26626
  1797
        val cv = cterm_of thy v
wenzelm@26626
  1798
        val th1 = implies_elim_all (beta_eta_thm th)
wenzelm@26626
  1799
        val (f,g) = case concl_of th1 of
wenzelm@26626
  1800
                        _ $ (Const("op =",_) $ f $ g) => (Term.lambda v f,Term.lambda v g)
wenzelm@26626
  1801
                      | _ => raise ERR "mk_ABS" "Bad conclusion"
wenzelm@26626
  1802
        val (fd,fr) = dom_rng (type_of f)
wenzelm@26626
  1803
        val abs_thm' = Drule.instantiate' [SOME (ctyp_of thy fd), SOME (ctyp_of thy fr)] [SOME (cterm_of thy f), SOME (cterm_of thy g)] abs_thm
wenzelm@26626
  1804
        val th2 = forall_intr cv th1
wenzelm@26626
  1805
        val th3 = th2 COMP abs_thm'
wenzelm@26626
  1806
        val res = implies_intr_hyps th3
skalberg@14516
  1807
    in
wenzelm@26626
  1808
        res
skalberg@14516
  1809
    end
skalberg@14516
  1810
skalberg@14516
  1811
fun ABS v hth thy =
skalberg@14516
  1812
    let
wenzelm@26626
  1813
        val _ = message "ABS:"
wenzelm@26626
  1814
        val _ = if_debug prin v
wenzelm@26626
  1815
        val _ = if_debug pth hth
wenzelm@26626
  1816
        val (info,th) = disamb_thm hth
wenzelm@26626
  1817
        val (info',v') = disamb_term_from info v
wenzelm@26626
  1818
        val res = HOLThm(rens_of info',mk_ABS v' th thy)
wenzelm@26626
  1819
        val _ = message "RESULT:"
wenzelm@26626
  1820
        val _ = if_debug pth res
skalberg@14516
  1821
    in
wenzelm@26626
  1822
        (thy,res)
skalberg@14516
  1823
    end
skalberg@14516
  1824
skalberg@14516
  1825
fun GEN_ABS copt vlist hth thy =
skalberg@14516
  1826
    let
wenzelm@26626
  1827
        val _ = message "GEN_ABS:"
wenzelm@26626
  1828
        val _ = case copt of
wenzelm@26626
  1829
                    SOME c => if_debug prin c
wenzelm@26626
  1830
                  | NONE => ()
wenzelm@26626
  1831
        val _ = if_debug (app prin) vlist
wenzelm@26626
  1832
        val _ = if_debug pth hth
wenzelm@26626
  1833
        val (info,th) = disamb_thm hth
wenzelm@26626
  1834
        val (info',vlist') = disamb_terms_from info vlist
wenzelm@26626
  1835
        val th1 =
wenzelm@26626
  1836
            case copt of
wenzelm@26626
  1837
                SOME (c as Const(cname,cty)) =>
wenzelm@26626
  1838
                let
wenzelm@26626
  1839
                    fun inst_type ty1 ty2 (TVar _) = raise ERR "GEN_ABS" "Type variable found!"
wenzelm@26626
  1840
                      | inst_type ty1 ty2 (ty as TFree _) = if ty1 = ty
wenzelm@26626
  1841
                                                            then ty2
wenzelm@26626
  1842
                                                            else ty
wenzelm@26626
  1843
                      | inst_type ty1 ty2 (ty as Type(name,tys)) =
wenzelm@26626
  1844
                        Type(name,map (inst_type ty1 ty2) tys)
wenzelm@26626
  1845
                in
wenzelm@26626
  1846
                    foldr (fn (v,th) =>
wenzelm@26626
  1847
                              let
wenzelm@26626
  1848
                                  val cdom = fst (dom_rng (fst (dom_rng cty)))
wenzelm@26626
  1849
                                  val vty  = type_of v
wenzelm@26626
  1850
                                  val newcty = inst_type cdom vty cty
wenzelm@26626
  1851
                                  val cc = cterm_of thy (Const(cname,newcty))
wenzelm@26626
  1852
                              in
wenzelm@26626
  1853
                                  mk_COMB (mk_REFL cc) (mk_ABS v th thy) thy
wenzelm@26626
  1854
                              end) th vlist'
wenzelm@26626
  1855
                end
wenzelm@26626
  1856
              | SOME _ => raise ERR "GEN_ABS" "Bad constant"
wenzelm@26626
  1857
              | NONE =>
wenzelm@26626
  1858
                foldr (fn (v,th) => mk_ABS v th thy) th vlist'
wenzelm@26626
  1859
        val res = HOLThm(rens_of info',th1)
wenzelm@26626
  1860
        val _ = message "RESULT:"
wenzelm@26626
  1861
        val _ = if_debug pth res
skalberg@14516
  1862
    in
wenzelm@26626
  1863
        (thy,res)
skalberg@14516
  1864
    end
skalberg@14516
  1865
skalberg@14516
  1866
fun NOT_INTRO (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1867
    let
wenzelm@26626
  1868
        val _ = message "NOT_INTRO:"
wenzelm@26626
  1869
        val _ = if_debug pth hth
wenzelm@26626
  1870
        val th1 = implies_elim_all (beta_eta_thm th)
wenzelm@26626
  1871
        val a = case concl_of th1 of
wenzelm@26626
  1872
                    _ $ (Const("op -->",_) $ a $ Const("False",_)) => a
wenzelm@26626
  1873
                  | _ => raise ERR "NOT_INTRO" "Conclusion of bad form"
wenzelm@26626
  1874
        val ca = cterm_of thy a
wenzelm@26626
  1875
        val th2 = equal_elim (Drule.instantiate' [] [SOME ca] not_intro_thm) th1
wenzelm@26626
  1876
        val res = HOLThm(rens,implies_intr_hyps th2)
wenzelm@26626
  1877
        val _ = message "RESULT:"
wenzelm@26626
  1878
        val _ = if_debug pth res
skalberg@14516
  1879
    in
wenzelm@26626
  1880
        (thy,res)
skalberg@14516
  1881
    end
skalberg@14516
  1882
skalberg@14516
  1883
fun NOT_ELIM (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1884
    let
wenzelm@26626
  1885
        val _ = message "NOT_INTRO:"
wenzelm@26626
  1886
        val _ = if_debug pth hth
wenzelm@26626
  1887
        val th1 = implies_elim_all (beta_eta_thm th)
wenzelm@26626
  1888
        val a = case concl_of th1 of
wenzelm@26626
  1889
                    _ $ (Const("Not",_) $ a) => a
wenzelm@26626
  1890
                  | _ => raise ERR "NOT_ELIM" "Conclusion of bad form"
wenzelm@26626
  1891
        val ca = cterm_of thy a
wenzelm@26626
  1892
        val th2 = equal_elim (Drule.instantiate' [] [SOME ca] not_elim_thm) th1
wenzelm@26626
  1893
        val res = HOLThm(rens,implies_intr_hyps th2)
wenzelm@26626
  1894
        val _ = message "RESULT:"
wenzelm@26626
  1895
        val _ = if_debug pth res
skalberg@14516
  1896
    in
wenzelm@26626
  1897
        (thy,res)
skalberg@14516
  1898
    end
skalberg@14516
  1899
skalberg@14516
  1900
fun DISCH tm hth thy =
skalberg@14516
  1901
    let
wenzelm@26626
  1902
        val _ = message "DISCH:"
wenzelm@26626
  1903
        val _ = if_debug prin tm
wenzelm@26626
  1904
        val _ = if_debug pth hth
wenzelm@26626
  1905
        val (info,th) = disamb_thm hth
wenzelm@26626
  1906
        val (info',tm') = disamb_term_from info tm
wenzelm@26626
  1907
        val prems = prems_of th
wenzelm@26626
  1908
        val th1 = beta_eta_thm th
wenzelm@26626
  1909
        val th2 = implies_elim_all th1
wenzelm@26626
  1910
        val th3 = implies_intr (cterm_of thy (HOLogic.mk_Trueprop tm')) th2
wenzelm@26626
  1911
        val th4 = th3 COMP disch_thm
wenzelm@26626
  1912
        val res = HOLThm(rens_of info',implies_intr_hyps th4)
wenzelm@26626
  1913
        val _ = message "RESULT:"
wenzelm@26626
  1914
        val _ = if_debug pth res
skalberg@14516
  1915
    in
wenzelm@26626
  1916
        (thy,res)
skalberg@14516
  1917
    end
skalberg@14516
  1918
skalberg@14516
  1919
val spaces = String.concat o separate " "
skalberg@14516
  1920
skalberg@14516
  1921
fun new_definition thyname constname rhs thy =
skalberg@14516
  1922
    let
wenzelm@26626
  1923
        val constname = rename_const thyname thy constname
wenzelm@17894
  1924
        val redeclared = isSome (Sign.const_type thy (Sign.intern_const thy constname));
wenzelm@26626
  1925
        val _ = warning ("Introducing constant " ^ constname)
wenzelm@26626
  1926
        val (thmname,thy) = get_defname thyname constname thy
wenzelm@26626
  1927
        val (info,rhs') = disamb_term rhs
wenzelm@26626
  1928
        val ctype = type_of rhs'
wenzelm@26626
  1929
        val csyn = mk_syn thy constname
wenzelm@26626
  1930
        val thy1 = case HOL4DefThy.get thy of
wenzelm@26626
  1931
                       Replaying _ => thy
wenzelm@26626
  1932
                     | _ => (ImportRecorder.add_consts [(constname, ctype, csyn)]; Sign.add_consts_i [(constname,ctype,csyn)] thy)
wenzelm@26626
  1933
        val eq = mk_defeq constname rhs' thy1
haftmann@27691
  1934
        val (thms, thy2) = PureThy.add_defs false [((thmname,eq),[])] thy1
wenzelm@26626
  1935
        val _ = ImportRecorder.add_defs thmname eq
wenzelm@26626
  1936
        val def_thm = hd thms
wenzelm@26626
  1937
        val thm' = def_thm RS meta_eq_to_obj_eq_thm
wenzelm@26626
  1938
        val (thy',th) = (thy2, thm')
wenzelm@26626
  1939
        val fullcname = Sign.intern_const thy' constname
wenzelm@26626
  1940
        val thy'' = add_hol4_const_mapping thyname constname true fullcname thy'
wenzelm@26626
  1941
        val _ = ImportRecorder.add_hol_const_mapping thyname constname fullcname
wenzelm@26626
  1942
        val (linfo,tm24) = disamb_term (mk_teq constname rhs' thy'')
wenzelm@26626
  1943
        val rew = rewrite_hol4_term eq thy''
wenzelm@26626
  1944
        val crhs = cterm_of thy'' (#2 (Logic.dest_equals (prop_of rew)))
wenzelm@28677
  1945
        val thy22 = if Thm.def_name constname = thmname andalso not redeclared andalso csyn = NoSyn
wenzelm@26626
  1946
                    then
wenzelm@26626
  1947
                        let
wenzelm@26626
  1948
                            val p1 = quotename constname
wenzelm@26928
  1949
                            val p2 = Display.string_of_ctyp (ctyp_of thy'' ctype)
wenzelm@26626
  1950
                            val p3 = string_of_mixfix csyn
wenzelm@26626
  1951
                            val p4 = smart_string_of_cterm crhs
wenzelm@26626
  1952
                        in
wenzelm@26626
  1953
                            add_dump ("constdefs\n  " ^p1^ " :: \"" ^p2^ "\" "^p3^ "\n  " ^p4) thy''
wenzelm@26626
  1954
                        end
wenzelm@26626
  1955
                    else
wenzelm@26928
  1956
                        (add_dump ("consts\n  " ^ (quotename constname) ^ " :: \"" ^ Display.string_of_ctyp (ctyp_of thy'' ctype) ^
wenzelm@26626
  1957
                                   "\" " ^ (string_of_mixfix csyn) ^ "\n\ndefs\n  " ^ (quotename thmname) ^ ": " ^ (smart_string_of_cterm crhs))
wenzelm@26626
  1958
                                  thy'')
wenzelm@26626
  1959
        val hth = case Shuffler.set_prop thy22 (HOLogic.mk_Trueprop tm24) [("",th)] of
wenzelm@26626
  1960
                      SOME (_,res) => HOLThm(rens_of linfo,res)
wenzelm@26626
  1961
                    | NONE => raise ERR "new_definition" "Bad conclusion"
haftmann@28965
  1962
        val fullname = Sign.full_bname thy22 thmname
wenzelm@26626
  1963
        val thy22' = case opt_get_output_thy thy22 of
wenzelm@26626
  1964
                         "" => (ImportRecorder.add_hol_mapping thyname thmname fullname;
wenzelm@26626
  1965
                                add_hol4_mapping thyname thmname fullname thy22)
wenzelm@26626
  1966
                       | output_thy =>
wenzelm@26626
  1967
                         let
wenzelm@26626
  1968
                             val moved_thmname = output_thy ^ "." ^ thyname ^ "." ^ thmname
wenzelm@26626
  1969
                             val _ = ImportRecorder.add_hol_move fullname moved_thmname
wenzelm@26626
  1970
                             val _ = ImportRecorder.add_hol_mapping thyname thmname moved_thmname
wenzelm@26626
  1971
                         in
wenzelm@26626
  1972
                             thy22 |> add_hol4_move fullname moved_thmname
wenzelm@26626
  1973
                                   |> add_hol4_mapping thyname thmname moved_thmname
wenzelm@26626
  1974
                         end
wenzelm@26626
  1975
        val _ = message "new_definition:"
wenzelm@26626
  1976
        val _ = if_debug pth hth
skalberg@14516
  1977
    in
wenzelm@26626
  1978
        (thy22',hth)
skalberg@14516
  1979
    end
skalberg@14516
  1980
    handle e => (message "exception in new_definition"; print_exn e)
skalberg@14516
  1981
skalberg@14516
  1982
local
skalberg@14516
  1983
    val helper = thm "termspec_help"
skalberg@14516
  1984
in
skalberg@14516
  1985
fun new_specification thyname thmname names hth thy =
skalberg@14516
  1986
    case HOL4DefThy.get thy of
wenzelm@26626
  1987
        Replaying _ => (thy,hth)
wenzelm@24707
  1988
      | _ =>
wenzelm@26626
  1989
        let
wenzelm@26626
  1990
            val _ = message "NEW_SPEC:"
wenzelm@26626
  1991
            val _ = if_debug pth hth
wenzelm@26626
  1992
            val names = map (rename_const thyname thy) names
wenzelm@26626
  1993
            val _ = warning ("Introducing constants " ^ commas names)
wenzelm@26626
  1994
            val (HOLThm(rens,th)) = norm_hthm thy hth
wenzelm@26626
  1995
            val thy1 = case HOL4DefThy.get thy of
wenzelm@26626
  1996
                           Replaying _ => thy
wenzelm@26626
  1997
                         | _ =>
wenzelm@26626
  1998
                           let
wenzelm@26626
  1999
                               fun dest_eta_abs (Abs(x,xT,body)) = (x,xT,body)
wenzelm@26626
  2000
                                 | dest_eta_abs body =
wenzelm@26626
  2001
                                   let
wenzelm@26626
  2002
                                       val (dT,rT) = dom_rng (type_of body)
wenzelm@26626
  2003
                                   in
wenzelm@26626
  2004
                                       ("x",dT,body $ Bound 0)
wenzelm@26626
  2005
                                   end
wenzelm@26626
  2006
                                   handle TYPE _ => raise ERR "new_specification" "not an abstraction type"
wenzelm@26626
  2007
                               fun dest_exists (Const("Ex",_) $ abody) =
wenzelm@26626
  2008
                                   dest_eta_abs abody
wenzelm@26626
  2009
                                 | dest_exists tm =
wenzelm@26626
  2010
                                   raise ERR "new_specification" "Bad existential formula"
wenzelm@24707
  2011
wenzelm@26626
  2012
                               val (consts,_) = Library.foldl (fn ((cs,ex),cname) =>
wenzelm@26626
  2013
                                                          let
wenzelm@26626
  2014
                                                              val (_,cT,p) = dest_exists ex
wenzelm@26626
  2015
                                                          in
wenzelm@26626
  2016
                                                              ((cname,cT,mk_syn thy cname)::cs,p)
wenzelm@26626
  2017
                                                          end) (([],HOLogic.dest_Trueprop (concl_of th)),names)
wenzelm@26626
  2018
                               val str = Library.foldl (fn (acc,(c,T,csyn)) =>
wenzelm@26928
  2019
                                                   acc ^ "\n  " ^ (quotename c) ^ " :: \"" ^ Display.string_of_ctyp (ctyp_of thy T) ^ "\" " ^ (string_of_mixfix csyn)) ("consts",consts)
wenzelm@26626
  2020
                               val thy' = add_dump str thy
wenzelm@26626
  2021
                               val _ = ImportRecorder.add_consts consts
wenzelm@26626
  2022
                           in
wenzelm@26626
  2023
                               Sign.add_consts_i consts thy'
wenzelm@26626
  2024
                           end
skalberg@14516
  2025
wenzelm@26626
  2026
            val thy1 = foldr (fn(name,thy)=>
wenzelm@26626
  2027
                                snd (get_defname thyname name thy)) thy1 names
wenzelm@26626
  2028
            fun new_name name = fst (get_defname thyname name thy1)
wenzelm@26626
  2029
            val names' = map (fn name => (new_name name,name,false)) names
wenzelm@26626
  2030
            val (thy',res) = SpecificationPackage.add_specification NONE
wenzelm@26626
  2031
                                 names'
wenzelm@26626
  2032
                                 (thy1,th)
wenzelm@26626
  2033
            val _ = ImportRecorder.add_specification names' th
wenzelm@26626
  2034
            val res' = Thm.unvarify res
wenzelm@26626
  2035
            val hth = HOLThm(rens,res')
wenzelm@26626
  2036
            val rew = rewrite_hol4_term (concl_of res') thy'
wenzelm@26626
  2037
            val th  = equal_elim rew res'
wenzelm@26626
  2038
            fun handle_const (name,thy) =
wenzelm@26626
  2039
                let
wenzelm@28677
  2040
                    val defname = Thm.def_name name
wenzelm@26626
  2041
                    val (newname,thy') = get_defname thyname name thy
wenzelm@26626
  2042
                in
wenzelm@26626
  2043
                    (if defname = newname
wenzelm@26626
  2044
                     then quotename name
wenzelm@26626
  2045
                     else (quotename newname) ^ ": " ^ (quotename name),thy')
wenzelm@26626
  2046
                end
wenzelm@26626
  2047
            val (new_names,thy') = foldr (fn(name,(names,thy)) =>
wenzelm@26626
  2048
                                            let
wenzelm@26626
  2049
                                                val (name',thy') = handle_const (name,thy)
wenzelm@26626
  2050
                                            in
wenzelm@26626
  2051
                                                (name'::names,thy')
wenzelm@26626
  2052
                                            end) ([],thy') names
wenzelm@26626
  2053
            val thy'' = add_dump ("specification (" ^ (spaces new_names) ^ ") " ^ thmname ^ ": " ^ (smart_string_of_thm th) ^
wenzelm@26626
  2054
                                  "\n  by (import " ^ thyname ^ " " ^ thmname ^ ")")
wenzelm@26626
  2055
                                 thy'
wenzelm@26626
  2056
            val _ = message "RESULT:"
wenzelm@26626
  2057
            val _ = if_debug pth hth
wenzelm@26626
  2058
        in
wenzelm@26626
  2059
            intern_store_thm false thyname thmname hth thy''
wenzelm@26626
  2060
        end
wenzelm@26626
  2061
        handle e => (message "exception in new_specification"; print_exn e)
wenzelm@24707
  2062
skalberg@14516
  2063
end
wenzelm@24707
  2064
skalberg@14516
  2065
fun new_axiom name tm thy = raise ERR "new_axiom" ("Oh, no you don't! (" ^ name ^ ")")
wenzelm@24707
  2066
skalberg@14516
  2067
fun to_isa_thm (hth as HOLThm(_,th)) =
skalberg@14516
  2068
    let
wenzelm@26626
  2069
        val (HOLThm args) = norm_hthm (theory_of_thm th) hth
skalberg@14516
  2070
    in
wenzelm@26626
  2071
        apsnd strip_shyps args
skalberg@14516
  2072
    end
skalberg@14516
  2073
skalberg@14516
  2074
fun to_isa_term tm = tm
skalberg@14516
  2075
skalberg@14516
  2076
local
skalberg@14516
  2077
    val light_nonempty = thm "light_ex_imp_nonempty"
skalberg@14516
  2078
    val ex_imp_nonempty = thm "ex_imp_nonempty"
skalberg@14516
  2079
    val typedef_hol2hol4 = thm "typedef_hol2hol4"
skalberg@14516
  2080
    val typedef_hol2hollight = thm "typedef_hol2hollight"
skalberg@14516
  2081
in
skalberg@14516
  2082
fun new_type_definition thyname thmname tycname hth thy =
skalberg@14516
  2083
    case HOL4DefThy.get thy of
wenzelm@26626
  2084
        Replaying _ => (thy,hth)
wenzelm@24707
  2085
      | _ =>
wenzelm@26626
  2086
        let
wenzelm@26626
  2087
            val _ = message "TYPE_DEF:"
wenzelm@26626
  2088
            val _ = if_debug pth hth
wenzelm@26626
  2089
            val _ = warning ("Introducing type " ^ tycname)
wenzelm@26626
  2090
            val (HOLThm(rens,td_th)) = norm_hthm thy hth
wenzelm@26626
  2091
            val th2 = beta_eta_thm (td_th RS ex_imp_nonempty)
wenzelm@26626
  2092
            val c = case concl_of th2 of
wenzelm@26626
  2093
                        _ $ (Const("Ex",_) $ Abs(_,_,Const("op :",_) $ _ $ c)) => c
wenzelm@26626
  2094
                      | _ => raise ERR "new_type_definition" "Bad type definition theorem"
wenzelm@29270
  2095
            val tfrees = OldTerm.term_tfrees c
wenzelm@26626
  2096
            val tnames = map fst tfrees
wenzelm@26626
  2097
            val tsyn = mk_syn thy tycname
wenzelm@26626
  2098
            val typ = (tycname,tnames,tsyn)
haftmann@28662
  2099
            val ((_, typedef_info), thy') = TypedefPackage.add_typedef false (SOME thmname) typ c NONE (rtac th2 1) thy
obua@19064
  2100
            val _ = ImportRecorder.add_typedef (SOME thmname) typ c NONE th2
wenzelm@24707
  2101
wenzelm@26626
  2102
            val th3 = (#type_definition typedef_info) RS typedef_hol2hol4
skalberg@14516
  2103
wenzelm@26626
  2104
            val fulltyname = Sign.intern_type thy' tycname
wenzelm@26626
  2105
            val thy'' = add_hol4_type_mapping thyname tycname true fulltyname thy'
wenzelm@26626
  2106
            val _ = ImportRecorder.add_hol_type_mapping thyname tycname fulltyname
skalberg@14516
  2107
wenzelm@26626
  2108
            val (hth' as HOLThm args) = norm_hthm thy'' (HOLThm(rens,th3))
wenzelm@26626
  2109
            val _ = if has_ren hth' then warning ("Theorem " ^ thmname ^ " needs variable-disambiguating")
wenzelm@26626
  2110
                    else ()
wenzelm@26626
  2111
            val thy4 = add_hol4_pending thyname thmname args thy''
wenzelm@26626
  2112
            val _ = ImportRecorder.add_hol_pending thyname thmname (hthm2thm hth')
skalberg@14516
  2113
wenzelm@26626
  2114
            val rew = rewrite_hol4_term (concl_of td_th) thy4
wenzelm@26626
  2115
            val th  = equal_elim rew (Thm.transfer thy4 td_th)
wenzelm@26626
  2116
            val c   = case HOLogic.dest_Trueprop (prop_of th) of
wenzelm@26626
  2117
                          Const("Ex",exT) $ P =>
wenzelm@26626
  2118
                          let
wenzelm@26626
  2119
                              val PT = domain_type exT
wenzelm@26626
  2120
                          in
wenzelm@26626
  2121
                              Const("Collect",PT-->HOLogic.mk_setT (domain_type PT)) $ P
wenzelm@26626
  2122
                          end
wenzelm@26626
  2123
                        | _ => error "Internal error in ProofKernel.new_typedefinition"
wenzelm@26626
  2124
            val tnames_string = if null tnames
wenzelm@26626
  2125
                                then ""
wenzelm@26626
  2126
                                else "(" ^ commas tnames ^ ") "
wenzelm@26626
  2127
            val proc_prop = if null tnames
wenzelm@26626
  2128
                            then smart_string_of_cterm
wenzelm@26626
  2129
                            else Library.setmp show_all_types true smart_string_of_cterm
wenzelm@26626
  2130
            val thy5 = add_dump ("typedef (open) " ^ tnames_string ^ (quotename tycname) ^ " = " ^ (proc_prop (cterm_of thy4 c)) ^ " "
wenzelm@26626
  2131
                                 ^ (string_of_mixfix tsyn) ^ "\n  by (rule typedef_helper,import " ^ thyname ^ " " ^ thmname ^ ")") thy4
wenzelm@24707
  2132
wenzelm@26626
  2133
            val thy6 = add_dump ("lemmas " ^ thmname ^ " = typedef_hol2hol4 [OF type_definition_" ^ tycname ^ "]") thy5
wenzelm@24707
  2134
wenzelm@26626
  2135
            val _ = message "RESULT:"
wenzelm@26626
  2136
            val _ = if_debug pth hth'
wenzelm@26626
  2137
        in
wenzelm@26626
  2138
            (thy6,hth')
wenzelm@26626
  2139
        end
wenzelm@26626
  2140
        handle e => (message "exception in new_type_definition"; print_exn e)
skalberg@14516
  2141
obua@17490
  2142
fun add_dump_constdefs thy defname constname rhs ty =
obua@17490
  2143
    let
wenzelm@26626
  2144
        val n = quotename constname
wenzelm@26928
  2145
        val t = Display.string_of_ctyp (ctyp_of thy ty)
wenzelm@26626
  2146
        val syn = string_of_mixfix (mk_syn thy constname)
wenzelm@26626
  2147
        (*val eq = smart_string_of_cterm (cterm_of thy (Const(rhs, ty)))*)
obua@17490
  2148
        val eq = quote (constname ^ " == "^rhs)
wenzelm@26626
  2149
        val d = case defname of NONE => "" | SOME defname => (quotename defname)^" : "
obua@17490
  2150
    in
wenzelm@26626
  2151
        add_dump ("constdefs\n  " ^ n ^ " :: \"" ^ t ^ "\" " ^ syn ^ "\n  " ^ d ^ eq) thy
obua@17490
  2152
    end
obua@17490
  2153
wenzelm@24707
  2154
fun add_dump_syntax thy name =
obua@17594
  2155
    let
obua@17594
  2156
      val n = quotename name
wenzelm@19264
  2157
      val syn = string_of_mixfix (mk_syn thy name)
obua@17594
  2158
    in
obua@17594
  2159
      add_dump ("syntax\n  "^n^" :: _ "^syn) thy
obua@17594
  2160
    end
wenzelm@24707
  2161
skalberg@14516
  2162
fun type_introduction thyname thmname tycname abs_name rep_name (P,t) hth thy =
skalberg@14516
  2163
    case HOL4DefThy.get thy of
wenzelm@26626
  2164
        Replaying _ => (thy,
wenzelm@26343
  2165
          HOLThm([], PureThy.get_thm thy (thmname^"_@intern")) handle ERROR _ => hth)
wenzelm@24707
  2166
      | _ =>
wenzelm@26626
  2167
        let
obua@17322
  2168
            val _ = message "TYPE_INTRO:"
wenzelm@26626
  2169
            val _ = if_debug pth hth
wenzelm@26626
  2170
            val _ = warning ("Introducing type " ^ tycname ^ " (with morphisms " ^ abs_name ^ " and " ^ rep_name ^ ")")
wenzelm@26626
  2171
            val (HOLThm(rens,td_th)) = norm_hthm thy hth
wenzelm@26626
  2172
            val tT = type_of t
wenzelm@26626
  2173
            val light_nonempty' =
wenzelm@26626
  2174
                Drule.instantiate' [SOME (ctyp_of thy tT)]
wenzelm@26626
  2175
                                   [SOME (cterm_of thy P),
wenzelm@26626
  2176
                                    SOME (cterm_of thy t)] light_nonempty
wenzelm@26626
  2177
            val th2 = beta_eta_thm (td_th RS (beta_eta_thm light_nonempty'))
wenzelm@26626
  2178
            val c = case concl_of th2 of
wenzelm@26626
  2179
                        _ $ (Const("Ex",_) $ Abs(_,_,Const("op :",_) $ _ $ c)) => c
wenzelm@26626
  2180
                      | _ => raise ERR "type_introduction" "Bad type definition theorem"
wenzelm@29270
  2181
            val tfrees = OldTerm.term_tfrees c
wenzelm@26626
  2182
            val tnames = sort string_ord (map fst tfrees)
wenzelm@26626
  2183
            val tsyn = mk_syn thy tycname
wenzelm@26626
  2184
            val typ = (tycname,tnames,tsyn)
haftmann@28662
  2185
            val ((_, typedef_info), thy') = TypedefPackage.add_typedef false NONE typ c (SOME(rep_name,abs_name)) (rtac th2 1) thy
wenzelm@26626
  2186
            val _ = ImportRecorder.add_typedef NONE typ c (SOME(rep_name,abs_name)) th2
wenzelm@26626
  2187
            val fulltyname = Sign.intern_type thy' tycname
wenzelm@26626
  2188
            val aty = Type (fulltyname, map mk_vartype tnames)
wenzelm@26626
  2189
            val abs_ty = tT --> aty
wenzelm@26626
  2190
            val rep_ty = aty --> tT
wenzelm@24707
  2191
            val typedef_hol2hollight' =
wenzelm@26626
  2192
                Drule.instantiate'
wenzelm@26626
  2193
                    [SOME (ctyp_of thy' aty), SOME (ctyp_of thy' tT)]
wenzelm@26626
  2194
                    [NONE, NONE, NONE, SOME (cterm_of thy' (Free ("a", aty))), SOME (cterm_of thy' (Free ("r", tT)))]
obua@17379
  2195
                    typedef_hol2hollight
wenzelm@26626
  2196
            val th4 = (#type_definition typedef_info) RS typedef_hol2hollight'
wenzelm@22691
  2197
            val _ = null (Thm.fold_terms Term.add_tvars th4 []) orelse
wenzelm@20286
  2198
              raise ERR "type_introduction" "no type variables expected any more"
wenzelm@22691
  2199
            val _ = null (Thm.fold_terms Term.add_vars th4 []) orelse
wenzelm@20286
  2200
              raise ERR "type_introduction" "no term variables expected any more"
wenzelm@26626
  2201
            val _ = message ("step 3: thyname="^thyname^", tycname="^tycname^", fulltyname="^fulltyname)
obua@17322
  2202
            val thy'' = add_hol4_type_mapping thyname tycname true fulltyname thy'
wenzelm@26626
  2203
            val _ = ImportRecorder.add_hol_type_mapping thyname tycname fulltyname
obua@17322
  2204
            val _ = message "step 4"
wenzelm@26626
  2205
            val (hth' as HOLThm args) = norm_hthm thy'' (HOLThm(rens,th4))
wenzelm@26626
  2206
            val thy4 = add_hol4_pending thyname thmname args thy''
wenzelm@26626
  2207
            val _ = ImportRecorder.add_hol_pending thyname thmname (hthm2thm hth')
wenzelm@24707
  2208
wenzelm@26626
  2209
            val P' = P (* why !? #2 (Logic.dest_equals (concl_of (rewrite_hol4_term P thy4))) *)
wenzelm@26626
  2210
            val c   =
wenzelm@26626
  2211
                let
wenzelm@26626
  2212
                    val PT = type_of P'
wenzelm@26626
  2213
                in
wenzelm@26626
  2214
                    Const("Collect",PT-->HOLogic.mk_setT (domain_type PT)) $ P'
wenzelm@26626
  2215
                end
wenzelm@24707
  2216
wenzelm@26626
  2217
            val tnames_string = if null tnames
wenzelm@26626
  2218
                                then ""
wenzelm@26626
  2219
                                else "(" ^ commas tnames ^ ") "
wenzelm@26626
  2220
            val proc_prop = if null tnames
wenzelm@26626
  2221
                            then smart_string_of_cterm
wenzelm@26626
  2222
                            else Library.setmp show_all_types true smart_string_of_cterm
wenzelm@26626
  2223
            val thy = add_dump ("typedef (open) " ^ tnames_string ^ (quotename tycname) ^
wenzelm@24707
  2224
              " = " ^ (proc_prop (cterm_of thy4 c)) ^ " " ^
wenzelm@26626
  2225
              (string_of_mixfix tsyn) ^ " morphisms "^
wenzelm@24707
  2226
              (quote rep_name)^" "^(quote abs_name)^"\n"^
wenzelm@26626
  2227
              ("  apply (rule light_ex_imp_nonempty[where t="^
wenzelm@24707
  2228
              (proc_prop (cterm_of thy4 t))^"])\n"^
wenzelm@26626
  2229
              ("  by (import " ^ thyname ^ " " ^ (quotename thmname) ^ ")"))) thy4
wenzelm@26928
  2230
            val str_aty = Display.string_of_ctyp (ctyp_of thy aty)
wenzelm@24707
  2231
            val thy = add_dump_syntax thy rep_name
obua@17594
  2232
            val thy = add_dump_syntax thy abs_name
wenzelm@26626
  2233
            val thy = add_dump ("lemmas " ^ (quote (thmname^"_@intern")) ^
obua@17594
  2234
              " = typedef_hol2hollight \n"^
obua@17594
  2235
              "  [where a=\"a :: "^str_aty^"\" and r=r" ^
wenzelm@26626
  2236
              " ,\n   OF "^(quotename ("type_definition_" ^ tycname)) ^ "]") thy
wenzelm@26626
  2237
            val _ = message "RESULT:"
wenzelm@26626
  2238
            val _ = if_debug pth hth'
wenzelm@26626
  2239
        in
wenzelm@26626
  2240
            (thy,hth')
wenzelm@26626
  2241
        end
wenzelm@26626
  2242
        handle e => (message "exception in type_introduction"; print_exn e)
skalberg@14516
  2243
end
skalberg@14516
  2244
obua@17322
  2245
val prin = prin
obua@17322
  2246
skalberg@14516
  2247
end