src/HOL/Import/proof_kernel.ML
author wenzelm
Fri Dec 17 17:43:54 2010 +0100 (2010-12-17)
changeset 41229 d797baa3d57c
parent 40840 2f97215e79bf
child 41491 a2ad5b824051
permissions -rw-r--r--
replaced command 'nonterminals' by slightly modernized version 'nonterminal';
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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 Unsynchronized.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 Unsynchronized.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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(* 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 Delimfix (Syntax.escape c)
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fun quotename c =
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  if Syntax.is_identifier c andalso not (Keyword.is_keyword c) then c else quote c
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fun simple_smart_string_of_cterm ctxt0 ct =
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    let
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        val ctxt = ctxt0
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          |> Config.put show_brackets false
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          |> Config.put show_all_types true
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          |> Config.put show_sorts true
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          |> Config.put Syntax.ambiguity_enabled true;
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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 (Thm.theory_of_cterm ct) (HOLogic.dest_Trueprop t)
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                           handle TERM _ => ct
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    in
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        quote (Print_Mode.setmp [] (Syntax.string_of_term ctxt o Thm.term_of) ct)
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    end
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exception SMART_STRING
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fun smart_string_of_cterm ctxt0 ct =
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    let
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        val ctxt = ctxt0 |> Config.put Syntax.ambiguity_enabled false;
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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 (Thm.theory_of_cterm ct) (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 f ctxt x = f (Config.put show_types true (Config.put show_sorts true ctxt)) x
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          | G 1 f ctxt x = G 0 f (Config.put show_brackets true ctxt) x
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          | G 2 f ctxt x = G 0 f (Config.put show_all_types true ctxt) x
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          | G 3 f ctxt x = G 2 f (Config.put show_brackets true ctxt) x
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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 =
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                  G n Syntax.string_of_term (Config.put show_brackets false ctxt) (term_of ct)
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                val u = Syntax.parse_term ctxt str
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                  |> Type.constraint 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 =>
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                  error ("smart_string failed for: "^ G 0 Syntax.string_of_term ctxt (term_of ct))
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    in
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      Print_Mode.setmp [] F 0
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    end
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    handle ERROR mesg => simple_smart_string_of_cterm ctxt0 ct
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fun smart_string_of_thm ctxt = smart_string_of_cterm ctxt o cprop_of
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fun prth th = writeln (Print_Mode.setmp [] Display.string_of_thm_without_context th);
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fun prin t = writeln (Print_Mode.setmp []
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  (fn () => Syntax.string_of_term (ML_Context.the_local_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 = Unsynchronized.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 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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infix mem;
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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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infix union;
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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 (op =) 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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                SOME(c',toks') =>
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                if c = c'
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                then F cs toks'
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                else raise SyntaxError
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              | NONE => raise SyntaxError
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    in
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        F (String.explode str)
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    end
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   339
skalberg@14516
   340
local
skalberg@14516
   341
    val scan_entity =
wenzelm@26626
   342
        (scan_string "amp;" #"&")
wenzelm@26626
   343
            || scan_string "quot;" #"\""
wenzelm@26626
   344
            || scan_string "gt;" #">"
wenzelm@26626
   345
            || scan_string "lt;" #"<"
skalberg@14620
   346
            || scan_string "apos;" #"'"
skalberg@14516
   347
in
skalberg@14516
   348
fun scan_nonquote toks =
skalberg@14516
   349
    case LazySeq.getItem toks of
wenzelm@26626
   350
        SOME (c,toks') =>
wenzelm@26626
   351
        (case c of
wenzelm@26626
   352
             #"\"" => raise SyntaxError
wenzelm@26626
   353
           | #"&" => scan_entity toks'
wenzelm@26626
   354
           | c => (c,toks'))
skalberg@15531
   355
      | NONE => raise SyntaxError
skalberg@14516
   356
end
skalberg@14516
   357
skalberg@14516
   358
val scan_string = $$ #"\"" |-- repeat scan_nonquote --| $$ #"\"" >>
wenzelm@26626
   359
                     String.implode
skalberg@14516
   360
skalberg@14516
   361
val scan_attribute = scan_id -- $$ #"=" |-- scan_string
skalberg@14516
   362
skalberg@14516
   363
val scan_start_of_tag = $$ #"<" |-- scan_id --
wenzelm@26626
   364
                           repeat ($$ #" " |-- scan_attribute)
skalberg@14516
   365
skalberg@14518
   366
fun scan_end_of_tag toks = ($$ #"/" |-- $$ #">" |-- succeed []) toks
skalberg@14518
   367
skalberg@14516
   368
val scan_end_tag = $$ #"<" |-- $$ #"/" |-- scan_id --| $$ #">"
skalberg@14516
   369
skalberg@14516
   370
fun scan_children id = $$ #">" |-- repeat scan_tag -- scan_end_tag >>
wenzelm@26626
   371
                       (fn (chldr,id') => if id = id'
wenzelm@26626
   372
                                          then chldr
wenzelm@26626
   373
                                          else raise XML "Tag mismatch")
skalberg@14516
   374
and scan_tag toks =
skalberg@14516
   375
    let
wenzelm@26626
   376
        val ((id,atts),toks2) = scan_start_of_tag toks
wenzelm@26626
   377
        val (chldr,toks3) = (scan_children id || scan_end_of_tag) toks2
skalberg@14516
   378
    in
wenzelm@26626
   379
        (Elem (id,atts,chldr),toks3)
skalberg@14516
   380
    end
skalberg@14516
   381
end
skalberg@14516
   382
skalberg@14516
   383
val type_of = Term.type_of
skalberg@14516
   384
skalberg@14516
   385
val propT = Type("prop",[])
skalberg@14516
   386
skalberg@14516
   387
fun mk_defeq name rhs thy =
skalberg@14516
   388
    let
wenzelm@26626
   389
        val ty = type_of rhs
skalberg@14516
   390
    in
wenzelm@26626
   391
        Logic.mk_equals (Const(Sign.intern_const thy name,ty),rhs)
skalberg@14516
   392
    end
skalberg@14516
   393
skalberg@14516
   394
fun mk_teq name rhs thy =
skalberg@14516
   395
    let
wenzelm@26626
   396
        val ty = type_of rhs
skalberg@14516
   397
    in
wenzelm@26626
   398
        HOLogic.mk_eq (Const(Sign.intern_const thy name,ty),rhs)
skalberg@14516
   399
    end
skalberg@14516
   400
skalberg@14516
   401
fun intern_const_name thyname const thy =
skalberg@14516
   402
    case get_hol4_const_mapping thyname const thy of
wenzelm@26626
   403
        SOME (_,cname,_) => cname
skalberg@15531
   404
      | NONE => (case get_hol4_const_renaming thyname const thy of
wenzelm@26626
   405
                     SOME cname => Sign.intern_const thy (thyname ^ "." ^ cname)
wenzelm@26626
   406
                   | NONE => Sign.intern_const thy (thyname ^ "." ^ const))
skalberg@14516
   407
skalberg@14516
   408
fun intern_type_name thyname const thy =
skalberg@14516
   409
    case get_hol4_type_mapping thyname const thy of
wenzelm@26626
   410
        SOME (_,cname) => cname
wenzelm@17894
   411
      | NONE => Sign.intern_const thy (thyname ^ "." ^ const)
skalberg@14516
   412
skalberg@14516
   413
fun mk_vartype name = TFree(name,["HOL.type"])
skalberg@14516
   414
fun mk_thy_type thy Thy Tyop Args = Type(intern_type_name Thy Tyop thy,Args)
skalberg@14516
   415
skalberg@14516
   416
val mk_var = Free
skalberg@14516
   417
wenzelm@16486
   418
fun mk_thy_const thy Thy Nam Ty = Const(intern_const_name Thy Nam thy,Ty)
skalberg@14516
   419
wenzelm@24707
   420
local
wenzelm@24707
   421
  fun get_const sg thyname name =
wenzelm@17894
   422
    (case Sign.const_type sg name of
wenzelm@17894
   423
      SOME ty => Const (name, ty)
wenzelm@17894
   424
    | NONE => raise ERR "get_type" (name ^ ": No such constant"))
skalberg@14516
   425
in
wenzelm@16486
   426
fun prim_mk_const thy Thy Nam =
skalberg@14516
   427
    let
wenzelm@17894
   428
      val name = intern_const_name Thy Nam thy
wenzelm@17894
   429
      val cmaps = HOL4ConstMaps.get thy
skalberg@14516
   430
    in
wenzelm@17894
   431
      case StringPair.lookup cmaps (Thy,Nam) of
wenzelm@17894
   432
        SOME(_,_,SOME ty) => Const(name,ty)
wenzelm@17894
   433
      | _ => get_const thy Thy name
skalberg@14516
   434
    end
skalberg@14516
   435
end
skalberg@14516
   436
skalberg@14516
   437
fun mk_comb(f,a) = f $ a
skalberg@14516
   438
skalberg@14516
   439
(* Needed for HOL Light *)
skalberg@14516
   440
fun protect_tyvarname s =
skalberg@14516
   441
    let
wenzelm@26626
   442
        fun no_quest s =
wenzelm@26626
   443
            if Char.contains s #"?"
wenzelm@26626
   444
            then String.translate (fn #"?" => "q_" | c => Char.toString c) s
wenzelm@26626
   445
            else s
wenzelm@26626
   446
        fun beg_prime s =
wenzelm@26626
   447
            if String.isPrefix "'" s
wenzelm@26626
   448
            then s
wenzelm@26626
   449
            else "'" ^ s
skalberg@14516
   450
    in
wenzelm@26626
   451
        s |> no_quest |> beg_prime
skalberg@14516
   452
    end
obua@17440
   453
wenzelm@32740
   454
val protected_varnames = Unsynchronized.ref (Symtab.empty:string Symtab.table)
wenzelm@32740
   455
val invented_isavar = Unsynchronized.ref 0
obua@17444
   456
obua@17490
   457
fun innocent_varname s = Syntax.is_identifier s andalso not (String.isPrefix "u_" s)
obua@17490
   458
wenzelm@18678
   459
fun valid_boundvarname s =
wenzelm@37863
   460
  can (fn () => Syntax.read_term_global @{theory Main} ("SOME "^s^". True")) ();
wenzelm@18678
   461
wenzelm@18678
   462
fun valid_varname s =
wenzelm@37863
   463
  can (fn () => Syntax.read_term_global @{theory Main} s) ();
obua@17490
   464
skalberg@14516
   465
fun protect_varname s =
obua@17490
   466
    if innocent_varname s andalso valid_varname s then s else
obua@17444
   467
    case Symtab.lookup (!protected_varnames) s of
obua@17444
   468
      SOME t => t
wenzelm@24707
   469
    | NONE =>
obua@17444
   470
      let
wenzelm@32740
   471
          val _ = Unsynchronized.inc invented_isavar
wenzelm@26626
   472
          val t = "u_" ^ string_of_int (!invented_isavar)
wenzelm@26626
   473
          val _ = ImportRecorder.protect_varname s t
obua@17444
   474
          val _ = protected_varnames := Symtab.update (s, t) (!protected_varnames)
obua@17444
   475
      in
wenzelm@26626
   476
          t
obua@17444
   477
      end
skalberg@14516
   478
obua@19067
   479
exception REPLAY_PROTECT_VARNAME of string*string*string
obua@19067
   480
wenzelm@24707
   481
fun replay_protect_varname s t =
wenzelm@26626
   482
        case Symtab.lookup (!protected_varnames) s of
wenzelm@26626
   483
          SOME t' => raise REPLAY_PROTECT_VARNAME (s, t, t')
wenzelm@26626
   484
        | NONE =>
obua@19067
   485
          let
wenzelm@32740
   486
              val _ = Unsynchronized.inc invented_isavar
wenzelm@26626
   487
              val t = "u_" ^ string_of_int (!invented_isavar)
obua@19067
   488
              val _ = protected_varnames := Symtab.update (s, t) (!protected_varnames)
obua@19067
   489
          in
wenzelm@26626
   490
              ()
wenzelm@24707
   491
          end
wenzelm@24707
   492
obua@17490
   493
fun protect_boundvarname s = if innocent_varname s andalso valid_boundvarname s then s else "u"
obua@17440
   494
obua@17440
   495
fun mk_lambda (v as Free (x, T)) t = Abs (protect_boundvarname x, T, abstract_over (v, t))
obua@17440
   496
  | mk_lambda (v as Var ((x, _), T)) t = Abs (protect_boundvarname x, T, abstract_over (v, t))
obua@17440
   497
  | mk_lambda v t = raise TERM ("lambda", [v, t]);
wenzelm@24707
   498
wenzelm@24707
   499
fun replacestr x y s =
obua@17440
   500
let
wenzelm@40627
   501
  val xl = raw_explode x
wenzelm@40627
   502
  val yl = raw_explode y
obua@17440
   503
  fun isprefix [] ys = true
obua@17440
   504
    | isprefix (x::xs) (y::ys) = if x = y then isprefix xs ys else false
wenzelm@24707
   505
    | isprefix _ _ = false
obua@17440
   506
  fun isp s = isprefix xl s
obua@17440
   507
  fun chg s = yl@(List.drop (s, List.length xl))
obua@17440
   508
  fun r [] = []
wenzelm@24707
   509
    | r (S as (s::ss)) = if isp S then r (chg S) else s::(r ss)
obua@17440
   510
in
wenzelm@40627
   511
  implode(r (raw_explode s))
wenzelm@24707
   512
end
obua@17440
   513
obua@17440
   514
fun protect_factname s = replacestr "." "_dot_" s
wenzelm@24707
   515
fun unprotect_factname s = replacestr "_dot_" "." s
obua@17440
   516
obua@17322
   517
val ty_num_prefix = "N_"
obua@17322
   518
obua@17322
   519
fun startsWithDigit s = Char.isDigit (hd (String.explode s))
obua@17322
   520
wenzelm@24707
   521
fun protect_tyname tyn =
obua@17322
   522
  let
wenzelm@24707
   523
    val tyn' =
wenzelm@24707
   524
      if String.isPrefix ty_num_prefix tyn then raise (ERR "protect_ty_name" ("type name '"^tyn^"' is reserved")) else
obua@17322
   525
      (if startsWithDigit tyn then ty_num_prefix^tyn else tyn)
obua@17322
   526
  in
obua@17322
   527
    tyn'
obua@17322
   528
  end
obua@17322
   529
wenzelm@24707
   530
fun protect_constname tcn = tcn
obua@17444
   531
 (* if tcn = ".." then "dotdot"
obua@17444
   532
  else if tcn = "==" then "eqeq"
obua@17444
   533
  else tcn*)
obua@17322
   534
skalberg@14516
   535
structure TypeNet =
skalberg@14516
   536
struct
obua@17322
   537
skalberg@14516
   538
fun get_type_from_index thy thyname types is =
skalberg@14516
   539
    case Int.fromString is of
wenzelm@26626
   540
        SOME i => (case Array.sub(types,i) of
wenzelm@26626
   541
                       FullType ty => ty
wenzelm@26626
   542
                     | XMLty xty =>
wenzelm@26626
   543
                       let
wenzelm@26626
   544
                           val ty = get_type_from_xml thy thyname types xty
wenzelm@26626
   545
                           val _  = Array.update(types,i,FullType ty)
wenzelm@26626
   546
                       in
wenzelm@26626
   547
                           ty
wenzelm@26626
   548
                       end)
skalberg@14516
   549
      | NONE => raise ERR "get_type_from_index" "Bad index"
skalberg@14516
   550
and get_type_from_xml thy thyname types =
skalberg@14516
   551
    let
wenzelm@26626
   552
        fun gtfx (Elem("tyi",[("i",iS)],[])) =
wenzelm@26626
   553
                 get_type_from_index thy thyname types iS
wenzelm@26626
   554
          | gtfx (Elem("tyc",atts,[])) =
wenzelm@26626
   555
            mk_thy_type thy
wenzelm@26626
   556
                        (get_segment thyname atts)
wenzelm@26626
   557
                        (protect_tyname (get_name atts))
wenzelm@26626
   558
                        []
wenzelm@26626
   559
          | gtfx (Elem("tyv",[("n",s)],[])) = mk_vartype (protect_tyvarname s)
wenzelm@26626
   560
          | gtfx (Elem("tya",[],(Elem("tyc",atts,[]))::tys)) =
wenzelm@26626
   561
            mk_thy_type thy
wenzelm@26626
   562
                        (get_segment thyname atts)
wenzelm@26626
   563
                        (protect_tyname (get_name atts))
wenzelm@26626
   564
                        (map gtfx tys)
wenzelm@26626
   565
          | gtfx _ = raise ERR "get_type" "Bad type"
skalberg@14516
   566
    in
wenzelm@26626
   567
        gtfx
skalberg@14516
   568
    end
skalberg@14516
   569
skalberg@14516
   570
fun input_types thyname (Elem("tylist",[("i",i)],xtys)) =
skalberg@14516
   571
    let
wenzelm@33035
   572
        val types = Array.array(the (Int.fromString i),XMLty (Elem("",[],[])))
wenzelm@26626
   573
        fun IT _ [] = ()
wenzelm@26626
   574
          | IT n (xty::xtys) =
wenzelm@26626
   575
            (Array.update(types,n,XMLty xty);
wenzelm@26626
   576
             IT (n+1) xtys)
wenzelm@26626
   577
        val _ = IT 0 xtys
skalberg@14516
   578
    in
wenzelm@26626
   579
        types
skalberg@14516
   580
    end
skalberg@14516
   581
  | input_types _ _ = raise ERR "input_types" "Bad type list"
skalberg@14516
   582
end
skalberg@14516
   583
skalberg@14516
   584
structure TermNet =
skalberg@14516
   585
struct
obua@17322
   586
skalberg@14516
   587
fun get_term_from_index thy thyname types terms is =
skalberg@14516
   588
    case Int.fromString is of
wenzelm@26626
   589
        SOME i => (case Array.sub(terms,i) of
wenzelm@26626
   590
                       FullTerm tm => tm
wenzelm@26626
   591
                     | XMLtm xtm =>
wenzelm@26626
   592
                       let
wenzelm@26626
   593
                           val tm = get_term_from_xml thy thyname types terms xtm
wenzelm@26626
   594
                           val _  = Array.update(terms,i,FullTerm tm)
wenzelm@26626
   595
                       in
wenzelm@26626
   596
                           tm
wenzelm@26626
   597
                       end)
skalberg@14516
   598
      | NONE => raise ERR "get_term_from_index" "Bad index"
skalberg@14516
   599
and get_term_from_xml thy thyname types terms =
skalberg@14516
   600
    let
wenzelm@26626
   601
        fun get_type [] = NONE
wenzelm@26626
   602
          | get_type [ty] = SOME (TypeNet.get_type_from_xml thy thyname types ty)
wenzelm@26626
   603
          | get_type _ = raise ERR "get_term" "Bad type"
skalberg@14516
   604
wenzelm@26626
   605
        fun gtfx (Elem("tmv",[("n",name),("t",tyi)],[])) =
wenzelm@26626
   606
            mk_var(protect_varname name,TypeNet.get_type_from_index thy thyname types tyi)
wenzelm@26626
   607
          | gtfx (Elem("tmc",atts,[])) =
wenzelm@26626
   608
            let
wenzelm@26626
   609
                val segment = get_segment thyname atts
wenzelm@26626
   610
                val name = protect_constname(get_name atts)
wenzelm@26626
   611
            in
wenzelm@26626
   612
                mk_thy_const thy segment name (TypeNet.get_type_from_index thy thyname types (Lib.assoc "t" atts))
wenzelm@26626
   613
                handle PK _ => prim_mk_const thy segment name
wenzelm@26626
   614
            end
wenzelm@26626
   615
          | gtfx (Elem("tma",[("f",tmf),("a",tma)],[])) =
wenzelm@26626
   616
            let
wenzelm@26626
   617
                val f = get_term_from_index thy thyname types terms tmf
wenzelm@26626
   618
                val a = get_term_from_index thy thyname types terms tma
wenzelm@26626
   619
            in
wenzelm@26626
   620
                mk_comb(f,a)
wenzelm@26626
   621
            end
wenzelm@26626
   622
          | gtfx (Elem("tml",[("x",tmx),("a",tma)],[])) =
wenzelm@26626
   623
            let
wenzelm@24707
   624
                val x = get_term_from_index thy thyname types terms tmx
obua@17490
   625
                val a = get_term_from_index thy thyname types terms tma
wenzelm@26626
   626
            in
wenzelm@26626
   627
                mk_lambda x a
wenzelm@26626
   628
            end
wenzelm@26626
   629
          | gtfx (Elem("tmi",[("i",iS)],[])) =
wenzelm@26626
   630
            get_term_from_index thy thyname types terms iS
wenzelm@26626
   631
          | gtfx (Elem(tag,_,_)) =
wenzelm@26626
   632
            raise ERR "get_term" ("Not a term: "^tag)
skalberg@14516
   633
    in
wenzelm@26626
   634
        gtfx
skalberg@14516
   635
    end
skalberg@14516
   636
skalberg@14516
   637
fun input_terms thyname types (Elem("tmlist",[("i",i)],xtms)) =
skalberg@14516
   638
    let
wenzelm@33035
   639
        val terms = Array.array(the (Int.fromString i), XMLtm (Elem("",[],[])))
skalberg@14516
   640
wenzelm@26626
   641
        fun IT _ [] = ()
wenzelm@26626
   642
          | IT n (xtm::xtms) =
wenzelm@26626
   643
            (Array.update(terms,n,XMLtm xtm);
wenzelm@26626
   644
             IT (n+1) xtms)
wenzelm@26626
   645
        val _ = IT 0 xtms
skalberg@14516
   646
    in
wenzelm@26626
   647
        terms
skalberg@14516
   648
    end
skalberg@14516
   649
  | input_terms _ _ _ = raise ERR "input_terms" "Bad term list"
skalberg@14516
   650
end
skalberg@14516
   651
skalberg@14516
   652
fun get_proof_dir (thyname:string) thy =
skalberg@14516
   653
    let
wenzelm@26626
   654
        val import_segment =
wenzelm@26626
   655
            case get_segment2 thyname thy of
wenzelm@26626
   656
                SOME seg => seg
wenzelm@26626
   657
              | NONE => get_import_segment thy
wenzelm@26626
   658
        val path = space_explode ":" (getenv "HOL4_PROOFS")
wenzelm@26626
   659
        fun find [] = NONE
wenzelm@26626
   660
          | find (p::ps) =
wenzelm@26626
   661
            (let
wenzelm@26626
   662
                 val dir = OS.Path.joinDirFile {dir = p,file=import_segment}
wenzelm@26626
   663
             in
wenzelm@26626
   664
                 if OS.FileSys.isDir dir
wenzelm@26626
   665
                 then SOME dir
wenzelm@26626
   666
                 else find ps
wenzelm@26626
   667
             end) handle OS.SysErr _ => find ps
skalberg@14516
   668
    in
wenzelm@26626
   669
        Option.map (fn p => OS.Path.joinDirFile {dir = p, file = thyname}) (find path)
skalberg@14516
   670
    end
wenzelm@24707
   671
skalberg@14516
   672
fun proof_file_name thyname thmname thy =
skalberg@14516
   673
    let
wenzelm@26626
   674
        val path = case get_proof_dir thyname thy of
wenzelm@26626
   675
                       SOME p => p
wenzelm@26626
   676
                     | NONE => error "Cannot find proof files"
wenzelm@26626
   677
        val _ = OS.FileSys.mkDir path handle OS.SysErr _ => ()
skalberg@14516
   678
    in
wenzelm@26626
   679
        OS.Path.joinDirFile {dir = path, file = OS.Path.joinBaseExt {base = (unprotect_factname thmname), ext = SOME "prf"}}
skalberg@14516
   680
    end
wenzelm@24707
   681
skalberg@14516
   682
fun xml_to_proof thyname types terms prf thy =
skalberg@14516
   683
    let
wenzelm@26626
   684
        val xml_to_hol_type = TypeNet.get_type_from_xml thy thyname types
wenzelm@26626
   685
        val xml_to_term = TermNet.get_term_from_xml thy thyname types terms
skalberg@14516
   686
wenzelm@26626
   687
        fun index_to_term is =
wenzelm@26626
   688
            TermNet.get_term_from_index thy thyname types terms is
skalberg@14516
   689
wenzelm@26626
   690
        fun x2p (Elem("prefl",[("i",is)],[])) = mk_proof (PRefl (index_to_term is))
wenzelm@26626
   691
          | x2p (Elem("pinstt",[],p::lambda)) =
wenzelm@26626
   692
            let
wenzelm@26626
   693
                val p = x2p p
wenzelm@26626
   694
                val lambda = implode_subst (map xml_to_hol_type lambda)
wenzelm@26626
   695
            in
wenzelm@26626
   696
                mk_proof (PInstT(p,lambda))
wenzelm@26626
   697
            end
wenzelm@26626
   698
          | x2p (Elem("psubst",[("i",is)],prf::prfs)) =
wenzelm@26626
   699
            let
wenzelm@26626
   700
                val tm = index_to_term is
wenzelm@26626
   701
                val prf = x2p prf
wenzelm@26626
   702
                val prfs = map x2p prfs
wenzelm@26626
   703
            in
wenzelm@26626
   704
                mk_proof (PSubst(prfs,tm,prf))
wenzelm@26626
   705
            end
wenzelm@26626
   706
          | x2p (Elem("pabs",[("i",is)],[prf])) =
wenzelm@26626
   707
            let
wenzelm@26626
   708
                val p = x2p prf
wenzelm@26626
   709
                val t = index_to_term is
wenzelm@26626
   710
            in
wenzelm@26626
   711
                mk_proof (PAbs (p,t))
wenzelm@26626
   712
            end
wenzelm@26626
   713
          | x2p (Elem("pdisch",[("i",is)],[prf])) =
wenzelm@26626
   714
            let
wenzelm@26626
   715
                val p = x2p prf
wenzelm@26626
   716
                val t = index_to_term is
wenzelm@26626
   717
            in
wenzelm@26626
   718
                mk_proof (PDisch (p,t))
wenzelm@26626
   719
            end
wenzelm@26626
   720
          | x2p (Elem("pmp",[],[prf1,prf2])) =
wenzelm@26626
   721
            let
wenzelm@26626
   722
                val p1 = x2p prf1
wenzelm@26626
   723
                val p2 = x2p prf2
wenzelm@26626
   724
            in
wenzelm@26626
   725
                mk_proof (PMp(p1,p2))
wenzelm@26626
   726
            end
wenzelm@26626
   727
          | x2p (Elem("phyp",[("i",is)],[])) = mk_proof (PHyp (index_to_term is))
wenzelm@26626
   728
          | x2p (Elem("paxiom",[("n",n),("i",is)],[])) =
wenzelm@26626
   729
            mk_proof (PAxm(n,index_to_term is))
wenzelm@26626
   730
          | x2p (Elem("pfact",atts,[])) =
wenzelm@26626
   731
            let
wenzelm@26626
   732
                val thyname = get_segment thyname atts
wenzelm@26626
   733
                val thmname = protect_factname (get_name atts)
wenzelm@26626
   734
                val p = mk_proof PDisk
wenzelm@26626
   735
                val _  = set_disk_info_of p thyname thmname
wenzelm@26626
   736
            in
wenzelm@26626
   737
                p
wenzelm@26626
   738
            end
wenzelm@26626
   739
          | x2p (Elem("pdef",[("s",seg),("n",name),("i",is)],[])) =
wenzelm@26626
   740
            mk_proof (PDef(seg,protect_constname name,index_to_term is))
wenzelm@26626
   741
          | x2p (Elem("ptmspec",[("s",seg)],p::names)) =
wenzelm@26626
   742
            let
wenzelm@26626
   743
                val names = map (fn Elem("name",[("n",name)],[]) => name
wenzelm@26626
   744
                                  | _ => raise ERR "x2p" "Bad proof (ptmspec)") names
wenzelm@26626
   745
            in
wenzelm@26626
   746
                mk_proof (PTmSpec(seg,names,x2p p))
wenzelm@26626
   747
            end
wenzelm@26626
   748
          | x2p (Elem("ptyintro",[("s",seg),("n",name),("a",abs_name),("r",rep_name)],[xP,xt,p])) =
wenzelm@26626
   749
            let
wenzelm@26626
   750
                val P = xml_to_term xP
wenzelm@26626
   751
                val t = xml_to_term xt
wenzelm@26626
   752
            in
wenzelm@26626
   753
                mk_proof (PTyIntro(seg,protect_tyname name,protect_constname abs_name,protect_constname rep_name,P,t,x2p p))
wenzelm@26626
   754
            end
wenzelm@26626
   755
          | x2p (Elem("ptydef",[("s",seg),("n",name)],[p])) =
wenzelm@26626
   756
            mk_proof (PTyDef(seg,protect_tyname name,x2p p))
wenzelm@26626
   757
          | x2p (xml as Elem("poracle",[],chldr)) =
wenzelm@26626
   758
            let
wenzelm@26626
   759
                val (oracles,terms) = List.partition (fn (Elem("oracle",_,_)) => true | _ => false) chldr
wenzelm@26626
   760
                val ors = map (fn (Elem("oracle",[("n",name)],[])) => name | xml => raise ERR "x2p" "bad oracle") oracles
wenzelm@26626
   761
                val (c,asl) = case terms of
wenzelm@26626
   762
                                  [] => raise ERR "x2p" "Bad oracle description"
wenzelm@26626
   763
                                | (hd::tl) => (hd,tl)
wenzelm@33339
   764
                val tg = fold_rev (Tag.merge o Tag.read) ors Tag.empty_tag
wenzelm@26626
   765
            in
wenzelm@26626
   766
                mk_proof (POracle(tg,map xml_to_term asl,xml_to_term c))
wenzelm@26626
   767
            end
wenzelm@26626
   768
          | x2p (Elem("pspec",[("i",is)],[prf])) =
wenzelm@26626
   769
            let
wenzelm@26626
   770
                val p = x2p prf
wenzelm@26626
   771
                val tm = index_to_term is
wenzelm@26626
   772
            in
wenzelm@26626
   773
                mk_proof (PSpec(p,tm))
wenzelm@26626
   774
            end
wenzelm@26626
   775
          | x2p (Elem("pinst",[],p::theta)) =
wenzelm@26626
   776
            let
wenzelm@26626
   777
                val p = x2p p
wenzelm@26626
   778
                val theta = implode_subst (map xml_to_term theta)
wenzelm@26626
   779
            in
wenzelm@26626
   780
                mk_proof (PInst(p,theta))
wenzelm@26626
   781
            end
wenzelm@26626
   782
          | x2p (Elem("pgen",[("i",is)],[prf])) =
wenzelm@26626
   783
            let
wenzelm@26626
   784
                val p = x2p prf
wenzelm@26626
   785
                val tm = index_to_term is
wenzelm@26626
   786
            in
wenzelm@26626
   787
                mk_proof (PGen(p,tm))
wenzelm@26626
   788
            end
wenzelm@26626
   789
          | x2p (Elem("pgenabs",[],prf::tms)) =
wenzelm@26626
   790
            let
wenzelm@26626
   791
                val p = x2p prf
wenzelm@26626
   792
                val tml = map xml_to_term tms
wenzelm@26626
   793
            in
wenzelm@26626
   794
                mk_proof (PGenAbs(p,NONE,tml))
wenzelm@26626
   795
            end
wenzelm@26626
   796
          | x2p (Elem("pgenabs",[("i",is)],prf::tms)) =
wenzelm@26626
   797
            let
wenzelm@26626
   798
                val p = x2p prf
wenzelm@26626
   799
                val tml = map xml_to_term tms
wenzelm@26626
   800
            in
wenzelm@26626
   801
                mk_proof (PGenAbs(p,SOME (index_to_term is),tml))
wenzelm@26626
   802
            end
wenzelm@26626
   803
          | x2p (Elem("pimpas",[],[prf1,prf2])) =
wenzelm@26626
   804
            let
wenzelm@26626
   805
                val p1 = x2p prf1
wenzelm@26626
   806
                val p2 = x2p prf2
wenzelm@26626
   807
            in
wenzelm@26626
   808
                mk_proof (PImpAS(p1,p2))
wenzelm@26626
   809
            end
wenzelm@26626
   810
          | x2p (Elem("psym",[],[prf])) =
wenzelm@26626
   811
            let
wenzelm@26626
   812
                val p = x2p prf
wenzelm@26626
   813
            in
wenzelm@26626
   814
                mk_proof (PSym p)
wenzelm@26626
   815
            end
wenzelm@26626
   816
          | x2p (Elem("ptrans",[],[prf1,prf2])) =
wenzelm@26626
   817
            let
wenzelm@26626
   818
                val p1 = x2p prf1
wenzelm@26626
   819
                val p2 = x2p prf2
wenzelm@26626
   820
            in
wenzelm@26626
   821
                mk_proof (PTrans(p1,p2))
wenzelm@26626
   822
            end
wenzelm@26626
   823
          | x2p (Elem("pcomb",[],[prf1,prf2])) =
wenzelm@26626
   824
            let
wenzelm@26626
   825
                val p1 = x2p prf1
wenzelm@26626
   826
                val p2 = x2p prf2
wenzelm@26626
   827
            in
wenzelm@26626
   828
                mk_proof (PComb(p1,p2))
wenzelm@26626
   829
            end
wenzelm@26626
   830
          | x2p (Elem("peqmp",[],[prf1,prf2])) =
wenzelm@26626
   831
            let
wenzelm@26626
   832
                val p1 = x2p prf1
wenzelm@26626
   833
                val p2 = x2p prf2
wenzelm@26626
   834
            in
wenzelm@26626
   835
                mk_proof (PEqMp(p1,p2))
wenzelm@26626
   836
            end
wenzelm@26626
   837
          | x2p (Elem("peqimp",[],[prf])) =
wenzelm@26626
   838
            let
wenzelm@26626
   839
                val p = x2p prf
wenzelm@26626
   840
            in
wenzelm@26626
   841
                mk_proof (PEqImp p)
wenzelm@26626
   842
            end
wenzelm@26626
   843
          | x2p (Elem("pexists",[("e",ise),("w",isw)],[prf])) =
wenzelm@26626
   844
            let
wenzelm@26626
   845
                val p = x2p prf
wenzelm@26626
   846
                val ex = index_to_term ise
wenzelm@26626
   847
                val w = index_to_term isw
wenzelm@26626
   848
            in
wenzelm@26626
   849
                mk_proof (PExists(p,ex,w))
wenzelm@26626
   850
            end
wenzelm@26626
   851
          | x2p (Elem("pchoose",[("i",is)],[prf1,prf2])) =
wenzelm@26626
   852
            let
wenzelm@26626
   853
                val v  = index_to_term is
wenzelm@26626
   854
                val p1 = x2p prf1
wenzelm@26626
   855
                val p2 = x2p prf2
wenzelm@26626
   856
            in
wenzelm@26626
   857
                mk_proof (PChoose(v,p1,p2))
wenzelm@26626
   858
            end
wenzelm@26626
   859
          | x2p (Elem("pconj",[],[prf1,prf2])) =
wenzelm@26626
   860
            let
wenzelm@26626
   861
                val p1 = x2p prf1
wenzelm@26626
   862
                val p2 = x2p prf2
wenzelm@26626
   863
            in
wenzelm@26626
   864
                mk_proof (PConj(p1,p2))
wenzelm@26626
   865
            end
wenzelm@26626
   866
          | x2p (Elem("pconjunct1",[],[prf])) =
wenzelm@26626
   867
            let
wenzelm@26626
   868
                val p = x2p prf
wenzelm@26626
   869
            in
wenzelm@26626
   870
                mk_proof (PConjunct1 p)
wenzelm@26626
   871
            end
wenzelm@26626
   872
          | x2p (Elem("pconjunct2",[],[prf])) =
wenzelm@26626
   873
            let
wenzelm@26626
   874
                val p = x2p prf
wenzelm@26626
   875
            in
wenzelm@26626
   876
                mk_proof (PConjunct2 p)
wenzelm@26626
   877
            end
wenzelm@26626
   878
          | x2p (Elem("pdisj1",[("i",is)],[prf])) =
wenzelm@26626
   879
            let
wenzelm@26626
   880
                val p = x2p prf
wenzelm@26626
   881
                val t = index_to_term is
wenzelm@26626
   882
            in
wenzelm@26626
   883
                mk_proof (PDisj1 (p,t))
wenzelm@26626
   884
            end
wenzelm@26626
   885
          | x2p (Elem("pdisj2",[("i",is)],[prf])) =
wenzelm@26626
   886
            let
wenzelm@26626
   887
                val p = x2p prf
wenzelm@26626
   888
                val t = index_to_term is
wenzelm@26626
   889
            in
wenzelm@26626
   890
                mk_proof (PDisj2 (p,t))
wenzelm@26626
   891
            end
wenzelm@26626
   892
          | x2p (Elem("pdisjcases",[],[prf1,prf2,prf3])) =
wenzelm@26626
   893
            let
wenzelm@26626
   894
                val p1 = x2p prf1
wenzelm@26626
   895
                val p2 = x2p prf2
wenzelm@26626
   896
                val p3 = x2p prf3
wenzelm@26626
   897
            in
wenzelm@26626
   898
                mk_proof (PDisjCases(p1,p2,p3))
wenzelm@26626
   899
            end
wenzelm@26626
   900
          | x2p (Elem("pnoti",[],[prf])) =
wenzelm@26626
   901
            let
wenzelm@26626
   902
                val p = x2p prf
wenzelm@26626
   903
            in
wenzelm@26626
   904
                mk_proof (PNotI p)
wenzelm@26626
   905
            end
wenzelm@26626
   906
          | x2p (Elem("pnote",[],[prf])) =
wenzelm@26626
   907
            let
wenzelm@26626
   908
                val p = x2p prf
wenzelm@26626
   909
            in
wenzelm@26626
   910
                mk_proof (PNotE p)
wenzelm@26626
   911
            end
wenzelm@26626
   912
          | x2p (Elem("pcontr",[("i",is)],[prf])) =
wenzelm@26626
   913
            let
wenzelm@26626
   914
                val p = x2p prf
wenzelm@26626
   915
                val t = index_to_term is
wenzelm@26626
   916
            in
wenzelm@26626
   917
                mk_proof (PContr (p,t))
wenzelm@26626
   918
            end
wenzelm@26626
   919
          | x2p xml = raise ERR "x2p" "Bad proof"
skalberg@14516
   920
    in
wenzelm@26626
   921
        x2p prf
skalberg@14516
   922
    end
skalberg@14516
   923
wenzelm@24707
   924
fun import_proof_concl thyname thmname thy =
obua@17322
   925
    let
wenzelm@26626
   926
        val is = TextIO.openIn(proof_file_name thyname thmname thy)
wenzelm@26626
   927
        val (proof_xml,_) = scan_tag (LazySeq.of_instream is)
wenzelm@26626
   928
        val _ = TextIO.closeIn is
wenzelm@24707
   929
    in
wenzelm@26626
   930
        case proof_xml of
wenzelm@26626
   931
            Elem("proof",[],xtypes::xterms::prf::rest) =>
wenzelm@26626
   932
            let
wenzelm@26626
   933
                val types = TypeNet.input_types thyname xtypes
wenzelm@26626
   934
                val terms = TermNet.input_terms thyname types xterms
wenzelm@24707
   935
                fun f xtm thy = TermNet.get_term_from_xml thy thyname types terms xtm
wenzelm@26626
   936
            in
wenzelm@26626
   937
                case rest of
wenzelm@26626
   938
                    [] => NONE
wenzelm@26626
   939
                  | [xtm] => SOME (f xtm)
wenzelm@26626
   940
                  | _ => raise ERR "import_proof" "Bad argument list"
wenzelm@26626
   941
            end
wenzelm@26626
   942
          | _ => raise ERR "import_proof" "Bad proof"
obua@17322
   943
    end
obua@17322
   944
skalberg@14516
   945
fun import_proof thyname thmname thy =
skalberg@14516
   946
    let
wenzelm@26626
   947
        val is = TextIO.openIn(proof_file_name thyname thmname thy)
wenzelm@26626
   948
        val (proof_xml,_) = scan_tag (LazySeq.of_instream is)
wenzelm@26626
   949
        val _ = TextIO.closeIn is
wenzelm@24707
   950
    in
wenzelm@26626
   951
        case proof_xml of
wenzelm@26626
   952
            Elem("proof",[],xtypes::xterms::prf::rest) =>
wenzelm@26626
   953
            let
wenzelm@26626
   954
                val types = TypeNet.input_types thyname xtypes
wenzelm@26626
   955
                val terms = TermNet.input_terms thyname types xterms
wenzelm@26626
   956
            in
wenzelm@26626
   957
                (case rest of
wenzelm@26626
   958
                     [] => NONE
wenzelm@26626
   959
                   | [xtm] => SOME (fn thy => TermNet.get_term_from_xml thy thyname types terms xtm)
wenzelm@26626
   960
                   | _ => raise ERR "import_proof" "Bad argument list",
wenzelm@26626
   961
                 xml_to_proof thyname types terms prf)
wenzelm@26626
   962
            end
wenzelm@26626
   963
          | _ => raise ERR "import_proof" "Bad proof"
skalberg@14516
   964
    end
skalberg@14516
   965
skalberg@14516
   966
fun uniq_compose m th i st =
skalberg@14516
   967
    let
wenzelm@31945
   968
        val res = Thm.bicompose false (false,th,m) i st
skalberg@14516
   969
    in
wenzelm@26626
   970
        case Seq.pull res of
wenzelm@26626
   971
            SOME (th,rest) => (case Seq.pull rest of
wenzelm@26626
   972
                                   SOME _ => raise ERR "uniq_compose" "Not unique!"
wenzelm@26626
   973
                                 | NONE => th)
wenzelm@26626
   974
          | NONE => raise ERR "uniq_compose" "No result"
skalberg@14516
   975
    end
skalberg@14516
   976
wenzelm@39159
   977
val reflexivity_thm = @{thm refl}
wenzelm@39159
   978
val substitution_thm = @{thm subst}
wenzelm@39159
   979
val mp_thm = @{thm mp}
wenzelm@39159
   980
val imp_antisym_thm = @{thm light_imp_as}
wenzelm@39159
   981
val disch_thm = @{thm impI}
wenzelm@39159
   982
val ccontr_thm = @{thm ccontr}
skalberg@14516
   983
wenzelm@39159
   984
val meta_eq_to_obj_eq_thm = @{thm meta_eq_to_obj_eq}
skalberg@14516
   985
wenzelm@39159
   986
val gen_thm = @{thm HOLallI}
wenzelm@39159
   987
val choose_thm = @{thm exE}
wenzelm@39159
   988
val exists_thm = @{thm exI}
wenzelm@39159
   989
val conj_thm = @{thm conjI}
wenzelm@39159
   990
val conjunct1_thm = @{thm conjunct1}
wenzelm@39159
   991
val conjunct2_thm = @{thm conjunct2}
wenzelm@39159
   992
val spec_thm = @{thm spec}
wenzelm@39159
   993
val disj_cases_thm = @{thm disjE}
wenzelm@39159
   994
val disj1_thm = @{thm disjI1}
wenzelm@39159
   995
val disj2_thm = @{thm disjI2}
skalberg@14516
   996
skalberg@14516
   997
local
wenzelm@39159
   998
    val th = @{thm not_def}
wenzelm@17894
   999
    val thy = theory_of_thm th
haftmann@38557
  1000
    val pp = Thm.reflexive (cterm_of thy (Const(@{const_name Trueprop},HOLogic.boolT-->propT)))
skalberg@14516
  1001
in
wenzelm@36945
  1002
val not_elim_thm = Thm.combination pp th
skalberg@14516
  1003
end
skalberg@14516
  1004
wenzelm@36945
  1005
val not_intro_thm = Thm.symmetric not_elim_thm
wenzelm@39159
  1006
val abs_thm = @{thm ext}
wenzelm@39159
  1007
val trans_thm = @{thm trans}
wenzelm@39159
  1008
val symmetry_thm = @{thm sym}
wenzelm@39159
  1009
val transitivity_thm = @{thm trans}
wenzelm@39159
  1010
val eqmp_thm = @{thm iffD1}
wenzelm@39159
  1011
val eqimp_thm = @{thm HOL4Setup.eq_imp}
wenzelm@39159
  1012
val comb_thm = @{thm cong}
skalberg@14516
  1013
skalberg@14516
  1014
(* Beta-eta normalizes a theorem (only the conclusion, not the *
skalberg@14516
  1015
hypotheses!)  *)
skalberg@14516
  1016
skalberg@14516
  1017
fun beta_eta_thm th =
skalberg@14516
  1018
    let
wenzelm@26626
  1019
        val th1 = Thm.equal_elim (Thm.beta_conversion true (cprop_of th))  th
wenzelm@26626
  1020
        val th2 = Thm.equal_elim (Thm.eta_conversion       (cprop_of th1)) th1
skalberg@14516
  1021
    in
wenzelm@26626
  1022
        th2
skalberg@14516
  1023
    end
skalberg@14516
  1024
skalberg@14516
  1025
fun implies_elim_all th =
wenzelm@36945
  1026
    Library.foldl (fn (th,p) => Thm.implies_elim th (Thm.assume p)) (th,cprems_of th)
skalberg@14516
  1027
skalberg@14516
  1028
fun norm_hyps th =
skalberg@14516
  1029
    th |> beta_eta_thm
skalberg@14516
  1030
       |> implies_elim_all
skalberg@14516
  1031
       |> implies_intr_hyps
skalberg@14516
  1032
skalberg@14516
  1033
fun mk_GEN v th sg =
skalberg@14516
  1034
    let
wenzelm@26626
  1035
        val c = HOLogic.dest_Trueprop (concl_of th)
wenzelm@26626
  1036
        val cv = cterm_of sg v
wenzelm@26626
  1037
        val lc = Term.lambda v c
wenzelm@26626
  1038
        val clc = Thm.cterm_of sg lc
wenzelm@26626
  1039
        val cvty = ctyp_of_term cv
wenzelm@26626
  1040
        val th1 = implies_elim_all th
wenzelm@36945
  1041
        val th2 = beta_eta_thm (Thm.forall_intr cv th1)
wenzelm@26626
  1042
        val th3 = th2 COMP (beta_eta_thm (Drule.instantiate' [SOME cvty] [SOME clc] gen_thm))
wenzelm@26626
  1043
        val c = prop_of th3
wenzelm@26626
  1044
        val vname = fst(dest_Free v)
wenzelm@26626
  1045
        val (cold,cnew) = case c of
haftmann@38557
  1046
                              tpc $ (Const(@{const_name All},allT) $ Abs(oldname,ty,body)) =>
wenzelm@26626
  1047
                              (Abs(oldname,dummyT,Bound 0),Abs(vname,dummyT,Bound 0))
haftmann@38557
  1048
                            | tpc $ (Const(@{const_name All},allT) $ rest) => (tpc,tpc)
wenzelm@26626
  1049
                            | _ => raise ERR "mk_GEN" "Unknown conclusion"
wenzelm@26626
  1050
        val th4 = Thm.rename_boundvars cold cnew th3
wenzelm@26626
  1051
        val res = implies_intr_hyps th4
skalberg@14516
  1052
    in
wenzelm@26626
  1053
        res
skalberg@14516
  1054
    end
skalberg@14516
  1055
skalberg@14516
  1056
fun rearrange sg tm th =
skalberg@14516
  1057
    let
wenzelm@26626
  1058
        val tm' = Envir.beta_eta_contract tm
wenzelm@36945
  1059
        fun find []      n = Thm.permute_prems 0 1 (Thm.implies_intr (Thm.cterm_of sg tm) th)
wenzelm@26626
  1060
          | find (p::ps) n = if tm' aconv (Envir.beta_eta_contract p)
wenzelm@31945
  1061
                             then Thm.permute_prems n 1 th
wenzelm@26626
  1062
                             else find ps (n+1)
skalberg@14516
  1063
    in
wenzelm@26626
  1064
        find (prems_of th) 0
skalberg@14516
  1065
    end
skalberg@14516
  1066
skalberg@14516
  1067
fun zip (x::xs) (y::ys) = (x,y)::(zip xs ys)
skalberg@14516
  1068
  | zip [] [] = []
skalberg@14516
  1069
  | zip _ _ = raise ERR "zip" "arguments not of same length"
skalberg@14516
  1070
skalberg@14516
  1071
fun mk_INST dom rng th =
skalberg@14516
  1072
    th |> forall_intr_list dom
skalberg@14516
  1073
       |> forall_elim_list rng
skalberg@14516
  1074
skalberg@14516
  1075
val collect_vars =
skalberg@14516
  1076
    let
wenzelm@26626
  1077
        fun F vars (Bound _) = vars
wenzelm@26626
  1078
          | F vars (tm as Free _) =
haftmann@36692
  1079
            if member (op =) vars tm
wenzelm@26626
  1080
            then vars
wenzelm@26626
  1081
            else (tm::vars)
wenzelm@26626
  1082
          | F vars (Const _) = vars
wenzelm@26626
  1083
          | F vars (tm1 $ tm2) = F (F vars tm1) tm2
wenzelm@26626
  1084
          | F vars (Abs(_,_,body)) = F vars body
wenzelm@26626
  1085
          | F vars (Var _) = raise ERR "collect_vars" "Schematic variable found"
skalberg@14516
  1086
    in
wenzelm@26626
  1087
        F []
skalberg@14516
  1088
    end
skalberg@14516
  1089
skalberg@14516
  1090
(* Code for disambiguating variablenames (wrt. types) *)
skalberg@14516
  1091
skalberg@14516
  1092
val disamb_info_empty = {vars=[],rens=[]}
skalberg@14516
  1093
skalberg@14516
  1094
fun rens_of {vars,rens} = rens
skalberg@14516
  1095
skalberg@14516
  1096
fun name_of_var (Free(vname,_)) = vname
skalberg@14516
  1097
  | name_of_var _ = raise ERR "name_of_var" "Not a variable"
skalberg@14516
  1098
obua@17322
  1099
fun disamb_term_from info tm = (info, tm)
skalberg@14516
  1100
skalberg@14516
  1101
fun swap (x,y) = (y,x)
skalberg@14516
  1102
obua@17322
  1103
fun has_ren (HOLThm _) = false
skalberg@14516
  1104
skalberg@14516
  1105
fun prinfo {vars,rens} = (writeln "Vars:";
wenzelm@26626
  1106
                          app prin vars;
wenzelm@26626
  1107
                          writeln "Renaming:";
wenzelm@26626
  1108
                          app (fn(x,y)=>(prin x; writeln " -->"; prin y)) rens)
skalberg@14516
  1109
obua@17322
  1110
fun disamb_thm_from info (HOLThm (_,thm)) = (info, thm)
skalberg@14516
  1111
obua@17322
  1112
fun disamb_terms_from info tms = (info, tms)
skalberg@14516
  1113
obua@17324
  1114
fun disamb_thms_from info hthms = (info, map hthm2thm hthms)
skalberg@14516
  1115
skalberg@14516
  1116
fun disamb_term tm   = disamb_term_from disamb_info_empty tm
skalberg@14516
  1117
fun disamb_terms tms = disamb_terms_from disamb_info_empty tms
skalberg@14516
  1118
fun disamb_thm thm   = disamb_thm_from disamb_info_empty thm
skalberg@14516
  1119
fun disamb_thms thms = disamb_thms_from disamb_info_empty thms
skalberg@14516
  1120
obua@17322
  1121
fun norm_hthm sg (hth as HOLThm _) = hth
skalberg@14516
  1122
skalberg@14516
  1123
(* End of disambiguating code *)
skalberg@14516
  1124
wenzelm@17657
  1125
fun disambiguate_frees thm =
wenzelm@17657
  1126
    let
wenzelm@17657
  1127
      fun ERR s = error ("Drule.disambiguate_frees: "^s)
wenzelm@17657
  1128
      val ct = cprop_of thm
wenzelm@17657
  1129
      val t = term_of ct
wenzelm@17657
  1130
      val thy = theory_of_cterm ct
wenzelm@29265
  1131
      val frees = OldTerm.term_frees t
wenzelm@29281
  1132
      val freenames = Term.add_free_names t []
wenzelm@29281
  1133
      val is_old_name = member (op =) freenames
wenzelm@17657
  1134
      fun name_of (Free (n, _)) = n
wenzelm@17657
  1135
        | name_of _ = ERR "name_of"
wenzelm@17657
  1136
      fun new_name' bump map n =
wenzelm@17657
  1137
          let val n' = n^bump in
wenzelm@24707
  1138
            if is_old_name n' orelse Symtab.lookup map n' <> NONE then
wenzelm@17657
  1139
              new_name' (Symbol.bump_string bump) map n
wenzelm@17657
  1140
            else
wenzelm@17657
  1141
              n'
wenzelm@24707
  1142
          end
wenzelm@17657
  1143
      val new_name = new_name' "a"
wenzelm@17657
  1144
      fun replace_name n' (Free (n, t)) = Free (n', t)
wenzelm@17657
  1145
        | replace_name n' _ = ERR "replace_name"
wenzelm@24707
  1146
      (* map: old or fresh name -> old free,
wenzelm@17657
  1147
         invmap: old free which has fresh name assigned to it -> fresh name *)
wenzelm@33339
  1148
      fun dis v (mapping as (map,invmap)) =
wenzelm@17657
  1149
          let val n = name_of v in
wenzelm@17657
  1150
            case Symtab.lookup map n of
wenzelm@17657
  1151
              NONE => (Symtab.update (n, v) map, invmap)
wenzelm@24707
  1152
            | SOME v' =>
wenzelm@24707
  1153
              if v=v' then
wenzelm@24707
  1154
                mapping
wenzelm@17657
  1155
              else
wenzelm@17657
  1156
                let val n' = new_name map n in
wenzelm@24707
  1157
                  (Symtab.update (n', v) map,
wenzelm@17657
  1158
                   Termtab.update (v, n') invmap)
wenzelm@17657
  1159
                end
wenzelm@17657
  1160
          end
wenzelm@17657
  1161
    in
wenzelm@17657
  1162
      if (length freenames = length frees) then
wenzelm@17657
  1163
        thm
wenzelm@17657
  1164
      else
wenzelm@24707
  1165
        let
wenzelm@24707
  1166
          val (_, invmap) =
wenzelm@33339
  1167
              fold dis frees (Symtab.empty, Termtab.empty)
wenzelm@33339
  1168
          fun make_subst (oldfree, newname) (intros, elims) =
wenzelm@24707
  1169
              (cterm_of thy oldfree :: intros,
wenzelm@17657
  1170
               cterm_of thy (replace_name newname oldfree) :: elims)
wenzelm@33339
  1171
          val (intros, elims) = fold make_subst (Termtab.dest invmap) ([], [])
wenzelm@24707
  1172
        in
wenzelm@17657
  1173
          forall_elim_list elims (forall_intr_list intros thm)
wenzelm@24707
  1174
        end
wenzelm@17657
  1175
    end
wenzelm@17657
  1176
wenzelm@32740
  1177
val debug = Unsynchronized.ref false
skalberg@14516
  1178
skalberg@14516
  1179
fun if_debug f x = if !debug then f x else ()
skalberg@14516
  1180
val message = if_debug writeln
skalberg@14516
  1181
wenzelm@31945
  1182
val conjE_helper = Thm.permute_prems 0 1 conjE
skalberg@14516
  1183
skalberg@14516
  1184
fun get_hol4_thm thyname thmname thy =
skalberg@14516
  1185
    case get_hol4_theorem thyname thmname thy of
wenzelm@26626
  1186
        SOME hth => SOME (HOLThm hth)
wenzelm@24707
  1187
      | NONE =>
wenzelm@26626
  1188
        let
wenzelm@26626
  1189
            val pending = HOL4Pending.get thy
wenzelm@26626
  1190
        in
wenzelm@26626
  1191
            case StringPair.lookup pending (thyname,thmname) of
wenzelm@26626
  1192
                SOME hth => SOME (HOLThm hth)
wenzelm@26626
  1193
              | NONE => NONE
wenzelm@26626
  1194
        end
skalberg@14516
  1195
wenzelm@29289
  1196
fun non_trivial_term_consts t = fold_aterms
wenzelm@29289
  1197
  (fn Const (c, _) =>
haftmann@38557
  1198
      if c = @{const_name Trueprop} orelse c = @{const_name All}
haftmann@38864
  1199
        orelse c = @{const_name HOL.implies} orelse c = @{const_name HOL.conj} orelse c = @{const_name HOL.eq}
wenzelm@29289
  1200
      then I else insert (op =) c
wenzelm@29289
  1201
    | _ => I) t [];
skalberg@14516
  1202
skalberg@14516
  1203
fun match_consts t (* th *) =
skalberg@14516
  1204
    let
wenzelm@26626
  1205
        fun add_consts (Const (c, _), cs) =
wenzelm@26626
  1206
            (case c of
haftmann@38864
  1207
                 @{const_name HOL.eq} => insert (op =) "==" cs
haftmann@38786
  1208
               | @{const_name HOL.implies} => insert (op =) "==>" cs
haftmann@38557
  1209
               | @{const_name All} => cs
wenzelm@26626
  1210
               | "all" => cs
haftmann@38795
  1211
               | @{const_name HOL.conj} => cs
haftmann@38557
  1212
               | @{const_name Trueprop} => cs
wenzelm@29289
  1213
               | _ => insert (op =) c cs)
wenzelm@26626
  1214
          | add_consts (t $ u, cs) = add_consts (t, add_consts (u, cs))
wenzelm@26626
  1215
          | add_consts (Abs (_, _, t), cs) = add_consts (t, cs)
wenzelm@26626
  1216
          | add_consts (_, cs) = cs
wenzelm@26626
  1217
        val t_consts = add_consts(t,[])
skalberg@14516
  1218
    in
haftmann@33038
  1219
        fn th => eq_set (op =) (t_consts, add_consts (prop_of th, []))
skalberg@14516
  1220
    end
skalberg@14516
  1221
skalberg@14516
  1222
fun split_name str =
skalberg@14516
  1223
    let
wenzelm@26626
  1224
        val sub = Substring.full str
wenzelm@26626
  1225
        val (f,idx) = apsnd Substring.string (Substring.splitr Char.isDigit sub)
wenzelm@26626
  1226
        val (newstr,u) = pairself Substring.string (Substring.splitr (fn c => c = #"_") f)
skalberg@14516
  1227
    in
wenzelm@26626
  1228
        if not (idx = "") andalso u = "_"
wenzelm@33035
  1229
        then SOME (newstr, the (Int.fromString idx))
wenzelm@26626
  1230
        else NONE
skalberg@14516
  1231
    end
wenzelm@28397
  1232
    handle _ => NONE  (* FIXME avoid handle _ *)
skalberg@14516
  1233
skalberg@14516
  1234
fun rewrite_hol4_term t thy =
skalberg@14516
  1235
    let
wenzelm@26626
  1236
        val hol4rews1 = map (Thm.transfer thy) (HOL4Rewrites.get thy)
wenzelm@35232
  1237
        val hol4ss = Simplifier.global_context thy empty_ss
wenzelm@36543
  1238
          setmksimps (K single) addsimps hol4rews1
skalberg@14516
  1239
    in
wenzelm@26626
  1240
        Thm.transfer thy (Simplifier.full_rewrite hol4ss (cterm_of thy t))
skalberg@14516
  1241
    end
skalberg@14516
  1242
skalberg@14516
  1243
fun get_isabelle_thm thyname thmname hol4conc thy =
skalberg@14516
  1244
    let
wenzelm@26626
  1245
        val (info,hol4conc') = disamb_term hol4conc
wenzelm@36945
  1246
        val i2h_conc = Thm.symmetric (rewrite_hol4_term (HOLogic.mk_Trueprop hol4conc') thy)
wenzelm@26626
  1247
        val isaconc =
wenzelm@26626
  1248
            case concl_of i2h_conc of
wenzelm@26626
  1249
                Const("==",_) $ lhs $ _ => lhs
wenzelm@26626
  1250
              | _ => error "get_isabelle_thm" "Bad rewrite rule"
wenzelm@26626
  1251
        val _ = (message "Original conclusion:";
wenzelm@26626
  1252
                 if_debug prin hol4conc';
wenzelm@26626
  1253
                 message "Modified conclusion:";
wenzelm@26626
  1254
                 if_debug prin isaconc)
skalberg@14516
  1255
wenzelm@36945
  1256
        fun mk_res th = HOLThm (rens_of info, Thm.equal_elim i2h_conc th)
skalberg@14516
  1257
    in
wenzelm@26626
  1258
        case get_hol4_mapping thyname thmname thy of
wenzelm@26626
  1259
            SOME (SOME thmname) =>
wenzelm@26626
  1260
            let
wenzelm@39557
  1261
                val th1 = (SOME (Global_Theory.get_thm thy thmname)
wenzelm@26626
  1262
                           handle ERROR _ =>
wenzelm@26626
  1263
                                  (case split_name thmname of
wenzelm@39557
  1264
                                       SOME (listname,idx) => (SOME (List.nth(Global_Theory.get_thms thy listname,idx-1))
wenzelm@28397
  1265
                                                               handle _ => NONE)  (* FIXME avoid handle _ *)
wenzelm@26626
  1266
                                     | NONE => NONE))
wenzelm@26626
  1267
            in
wenzelm@26626
  1268
                case th1 of
wenzelm@26626
  1269
                    SOME th2 =>
wenzelm@26626
  1270
                    (case Shuffler.set_prop thy isaconc [(thmname,th2)] of
wenzelm@26626
  1271
                         SOME (_,th) => (message "YES";(thy, SOME (mk_res th)))
wenzelm@26626
  1272
                       | NONE => (message "NO2";error "get_isabelle_thm" "Bad mapping"))
wenzelm@26626
  1273
                  | NONE => (message "NO1";error "get_isabelle_thm" "Bad mapping")
wenzelm@26626
  1274
            end
wenzelm@26626
  1275
          | SOME NONE => error ("Trying to access ignored theorem " ^ thmname)
wenzelm@26626
  1276
          | NONE =>
wenzelm@26626
  1277
            let
wenzelm@26626
  1278
                val _ = (message "Looking for conclusion:";
wenzelm@26626
  1279
                         if_debug prin isaconc)
wenzelm@29289
  1280
                val cs = non_trivial_term_consts isaconc;
wenzelm@26626
  1281
                val _ = (message "Looking for consts:";
wenzelm@26626
  1282
                         message (commas cs))
wenzelm@26626
  1283
                val pot_thms = Shuffler.find_potential thy isaconc
wenzelm@26626
  1284
                val _ = message ((Int.toString (length pot_thms)) ^ " potential theorems")
wenzelm@26626
  1285
            in
wenzelm@26626
  1286
                case Shuffler.set_prop thy isaconc pot_thms of
wenzelm@26626
  1287
                    SOME (isaname,th) =>
wenzelm@26626
  1288
                    let
wenzelm@26626
  1289
                        val hth as HOLThm args = mk_res th
wenzelm@26626
  1290
                        val thy' =  thy |> add_hol4_theorem thyname thmname args
wenzelm@26626
  1291
                                        |> add_hol4_mapping thyname thmname isaname
wenzelm@26626
  1292
                        val _ = ImportRecorder.add_hol_theorem thyname thmname (snd args)
wenzelm@26626
  1293
                        val _ = ImportRecorder.add_hol_mapping thyname thmname isaname
wenzelm@26626
  1294
                    in
wenzelm@26626
  1295
                        (thy',SOME hth)
wenzelm@26626
  1296
                    end
wenzelm@26626
  1297
                  | NONE => (thy,NONE)
wenzelm@26626
  1298
            end
wenzelm@39236
  1299
    end
wenzelm@37778
  1300
    handle e =>
wenzelm@39236
  1301
      if Exn.is_interrupt e then reraise e
wenzelm@39236
  1302
      else
wenzelm@39236
  1303
        (if_debug (fn () =>
wenzelm@39236
  1304
            writeln ("Exception in get_isabelle_thm:\n" ^ ML_Compiler.exn_message e)) ();
wenzelm@39236
  1305
          (thy,NONE))
skalberg@14516
  1306
obua@17322
  1307
fun get_isabelle_thm_and_warn thyname thmname hol4conc thy =
obua@17322
  1308
  let
obua@17322
  1309
    val (a, b) = get_isabelle_thm thyname thmname hol4conc thy
obua@17322
  1310
    fun warn () =
obua@17322
  1311
        let
wenzelm@26626
  1312
            val (info,hol4conc') = disamb_term hol4conc
wenzelm@36945
  1313
            val i2h_conc = Thm.symmetric (rewrite_hol4_term (HOLogic.mk_Trueprop hol4conc') thy)
wenzelm@26626
  1314
        in
wenzelm@26626
  1315
            case concl_of i2h_conc of
wenzelm@26626
  1316
                Const("==",_) $ lhs $ _ =>
wenzelm@26626
  1317
                (warning ("Failed lookup of theorem '"^thmname^"':");
wenzelm@26626
  1318
                 writeln "Original conclusion:";
wenzelm@26626
  1319
                 prin hol4conc';
wenzelm@26626
  1320
                 writeln "Modified conclusion:";
wenzelm@26626
  1321
                 prin lhs)
wenzelm@26626
  1322
              | _ => ()
wenzelm@26626
  1323
        end
obua@17322
  1324
  in
wenzelm@24707
  1325
      case b of
wenzelm@28397
  1326
          NONE => (warn () handle _ => (); (a,b)) (* FIXME avoid handle _ *)
wenzelm@26626
  1327
        | _ => (a, b)
wenzelm@24707
  1328
  end
obua@17322
  1329
skalberg@14516
  1330
fun get_thm thyname thmname thy =
skalberg@14516
  1331
    case get_hol4_thm thyname thmname thy of
wenzelm@26626
  1332
        SOME hth => (thy,SOME hth)
obua@17322
  1333
      | NONE => ((case import_proof_concl thyname thmname thy of
wenzelm@26626
  1334
                      SOME f => get_isabelle_thm_and_warn thyname thmname (f thy) thy
wenzelm@26626
  1335
                    | NONE => (message "No conclusion"; (thy,NONE)))
wenzelm@26626
  1336
                 handle e as IO.Io _ => (message "IO exception"; (thy,NONE))
wenzelm@26626
  1337
                      | e as PK _ => (message "PK exception"; (thy,NONE)))
skalberg@14516
  1338
skalberg@14516
  1339
fun rename_const thyname thy name =
skalberg@14516
  1340
    case get_hol4_const_renaming thyname name thy of
wenzelm@26626
  1341
        SOME cname => cname
skalberg@15531
  1342
      | NONE => name
skalberg@14516
  1343
skalberg@14516
  1344
fun get_def thyname constname rhs thy =
skalberg@14516
  1345
    let
wenzelm@26626
  1346
        val constname = rename_const thyname thy constname
wenzelm@26626
  1347
        val (thmname,thy') = get_defname thyname constname thy
wenzelm@26626
  1348
        val _ = message ("Looking for definition " ^ thyname ^ "." ^ thmname)
skalberg@14516
  1349
    in
wenzelm@26626
  1350
        get_isabelle_thm_and_warn thyname thmname (mk_teq (thyname ^ "." ^ constname) rhs thy') thy'
skalberg@14516
  1351
    end
skalberg@14516
  1352
skalberg@14516
  1353
fun get_axiom thyname axname thy =
skalberg@14516
  1354
    case get_thm thyname axname thy of
wenzelm@26626
  1355
        arg as (_,SOME _) => arg
skalberg@14516
  1356
      | _ => raise ERR "get_axiom" ("Trying to retrieve axiom (" ^ axname ^ ")")
skalberg@14516
  1357
skalberg@14516
  1358
fun intern_store_thm gen_output thyname thmname hth thy =
skalberg@14516
  1359
    let
wenzelm@26626
  1360
        val (hth' as HOLThm (args as (_,th))) = norm_hthm thy hth
wenzelm@26626
  1361
        val rew = rewrite_hol4_term (concl_of th) thy
wenzelm@36945
  1362
        val th  = Thm.equal_elim rew th
wenzelm@26626
  1363
        val thy' = add_hol4_pending thyname thmname args thy
wenzelm@26626
  1364
        val _ = ImportRecorder.add_hol_pending thyname thmname (hthm2thm hth')
wenzelm@17657
  1365
        val th = disambiguate_frees th
wenzelm@39118
  1366
        val thy2 =
wenzelm@39118
  1367
          if gen_output
wenzelm@39118
  1368
          then
wenzelm@39118
  1369
            add_dump ("lemma " ^ (quotename thmname) ^ ": " ^
wenzelm@39118
  1370
                (smart_string_of_thm (Syntax.init_pretty_global thy') th) ^ "\n  by (import " ^
wenzelm@39118
  1371
                thyname ^ " " ^ (quotename thmname) ^ ")") thy'
wenzelm@39118
  1372
          else thy'
skalberg@14516
  1373
    in
wenzelm@26626
  1374
        (thy2,hth')
skalberg@14516
  1375
    end
skalberg@14516
  1376
skalberg@14516
  1377
val store_thm = intern_store_thm true
skalberg@14516
  1378
skalberg@14516
  1379
fun mk_REFL ctm =
skalberg@14516
  1380
    let
wenzelm@26626
  1381
        val cty = Thm.ctyp_of_term ctm
skalberg@14516
  1382
    in
wenzelm@26626
  1383
        Drule.instantiate' [SOME cty] [SOME ctm] reflexivity_thm
skalberg@14516
  1384
    end
skalberg@14516
  1385
skalberg@14516
  1386
fun REFL tm thy =
skalberg@14516
  1387
    let
wenzelm@26626
  1388
        val _ = message "REFL:"
wenzelm@26626
  1389
        val (info,tm') = disamb_term tm
wenzelm@26626
  1390
        val ctm = Thm.cterm_of thy tm'
wenzelm@26626
  1391
        val res = HOLThm(rens_of info,mk_REFL ctm)
wenzelm@26626
  1392
        val _ = if_debug pth res
skalberg@14516
  1393
    in
wenzelm@26626
  1394
        (thy,res)
skalberg@14516
  1395
    end
skalberg@14516
  1396
skalberg@14516
  1397
fun ASSUME tm thy =
skalberg@14516
  1398
    let
wenzelm@26626
  1399
        val _ = message "ASSUME:"
wenzelm@26626
  1400
        val (info,tm') = disamb_term tm
wenzelm@26626
  1401
        val ctm = Thm.cterm_of thy (HOLogic.mk_Trueprop tm')
wenzelm@26626
  1402
        val th = Thm.trivial ctm
wenzelm@26626
  1403
        val res = HOLThm(rens_of info,th)
wenzelm@26626
  1404
        val _ = if_debug pth res
skalberg@14516
  1405
    in
wenzelm@26626
  1406
        (thy,res)
skalberg@14516
  1407
    end
skalberg@14516
  1408
skalberg@14516
  1409
fun INST_TYPE lambda (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1410
    let
wenzelm@26626
  1411
        val _ = message "INST_TYPE:"
wenzelm@26626
  1412
        val _ = if_debug pth hth
wenzelm@29270
  1413
        val tys_before = OldTerm.add_term_tfrees (prop_of th,[])
wenzelm@35845
  1414
        val th1 = Thm.varifyT_global th
wenzelm@29270
  1415
        val tys_after = OldTerm.add_term_tvars (prop_of th1,[])
wenzelm@26626
  1416
        val tyinst = map (fn (bef, iS) =>
wenzelm@26626
  1417
                             (case try (Lib.assoc (TFree bef)) lambda of
wenzelm@26626
  1418
                                  SOME ty => (ctyp_of thy (TVar iS), ctyp_of thy ty)
wenzelm@26626
  1419
                                | NONE => (ctyp_of thy (TVar iS), ctyp_of thy (TFree bef))
wenzelm@26626
  1420
                             ))
wenzelm@26626
  1421
                         (zip tys_before tys_after)
wenzelm@26626
  1422
        val res = Drule.instantiate (tyinst,[]) th1
wenzelm@26626
  1423
        val hth = HOLThm([],res)
wenzelm@26626
  1424
        val res = norm_hthm thy hth
wenzelm@26626
  1425
        val _ = message "RESULT:"
wenzelm@26626
  1426
        val _ = if_debug pth res
skalberg@14516
  1427
    in
wenzelm@26626
  1428
        (thy,res)
skalberg@14516
  1429
    end
skalberg@14516
  1430
skalberg@14516
  1431
fun INST sigma hth thy =
skalberg@14516
  1432
    let
wenzelm@26626
  1433
        val _ = message "INST:"
wenzelm@26626
  1434
        val _ = if_debug (app (fn (x,y) => (prin x; prin y))) sigma
wenzelm@26626
  1435
        val _ = if_debug pth hth
wenzelm@26626
  1436
        val (sdom,srng) = ListPair.unzip (rev sigma)
wenzelm@26626
  1437
        val th = hthm2thm hth
wenzelm@26626
  1438
        val th1 = mk_INST (map (cterm_of thy) sdom) (map (cterm_of thy) srng) th
wenzelm@26626
  1439
        val res = HOLThm([],th1)
wenzelm@26626
  1440
        val _ = message "RESULT:"
wenzelm@26626
  1441
        val _ = if_debug pth res
skalberg@14516
  1442
    in
wenzelm@26626
  1443
        (thy,res)
skalberg@14516
  1444
    end
skalberg@14516
  1445
skalberg@14516
  1446
fun EQ_IMP_RULE (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1447
    let
wenzelm@26626
  1448
        val _ = message "EQ_IMP_RULE:"
wenzelm@26626
  1449
        val _ = if_debug pth hth
wenzelm@26626
  1450
        val res = HOLThm(rens,th RS eqimp_thm)
wenzelm@26626
  1451
        val _ = message "RESULT:"
wenzelm@26626
  1452
        val _ = if_debug pth res
skalberg@14516
  1453
    in
wenzelm@26626
  1454
        (thy,res)
skalberg@14516
  1455
    end
skalberg@14516
  1456
obua@17322
  1457
fun mk_EQ_MP th1 th2 = [beta_eta_thm th1, beta_eta_thm th2] MRS eqmp_thm
skalberg@14516
  1458
skalberg@14516
  1459
fun EQ_MP hth1 hth2 thy =
skalberg@14516
  1460
    let
wenzelm@26626
  1461
        val _ = message "EQ_MP:"
wenzelm@26626
  1462
        val _ = if_debug pth hth1
wenzelm@26626
  1463
        val _ = if_debug pth hth2
wenzelm@26626
  1464
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1465
        val res = HOLThm(rens_of info,mk_EQ_MP th1 th2)
wenzelm@26626
  1466
        val _ = message "RESULT:"
wenzelm@26626
  1467
        val _ = if_debug pth res
skalberg@14516
  1468
    in
wenzelm@26626
  1469
        (thy,res)
skalberg@14516
  1470
    end
skalberg@14516
  1471
wenzelm@17894
  1472
fun mk_COMB th1 th2 thy =
skalberg@14516
  1473
    let
wenzelm@26626
  1474
        val (f,g) = case concl_of th1 of
haftmann@38864
  1475
                        _ $ (Const(@{const_name HOL.eq},_) $ f $ g) => (f,g)
wenzelm@26626
  1476
                      | _ => raise ERR "mk_COMB" "First theorem not an equality"
wenzelm@26626
  1477
        val (x,y) = case concl_of th2 of
haftmann@38864
  1478
                        _ $ (Const(@{const_name HOL.eq},_) $ x $ y) => (x,y)
wenzelm@26626
  1479
                      | _ => raise ERR "mk_COMB" "Second theorem not an equality"
wenzelm@26626
  1480
        val fty = type_of f
wenzelm@40840
  1481
        val (fd,fr) = Term.dest_funT fty
wenzelm@26626
  1482
        val comb_thm' = Drule.instantiate'
wenzelm@26626
  1483
                            [SOME (ctyp_of thy fd),SOME (ctyp_of thy fr)]
wenzelm@26626
  1484
                            [SOME (cterm_of thy f),SOME (cterm_of thy g),
wenzelm@26626
  1485
                             SOME (cterm_of thy x),SOME (cterm_of thy y)] comb_thm
skalberg@14516
  1486
    in
wenzelm@26626
  1487
        [th1,th2] MRS comb_thm'
skalberg@14516
  1488
    end
skalberg@14516
  1489
skalberg@14516
  1490
fun SUBST rews ctxt hth thy =
skalberg@14516
  1491
    let
wenzelm@26626
  1492
        val _ = message "SUBST:"
wenzelm@26626
  1493
        val _ = if_debug (app pth) rews
wenzelm@26626
  1494
        val _ = if_debug prin ctxt
wenzelm@26626
  1495
        val _ = if_debug pth hth
wenzelm@26626
  1496
        val (info,th) = disamb_thm hth
wenzelm@26626
  1497
        val (info1,ctxt') = disamb_term_from info ctxt
wenzelm@26626
  1498
        val (info2,rews') = disamb_thms_from info1 rews
skalberg@14516
  1499
wenzelm@26626
  1500
        val cctxt = cterm_of thy ctxt'
wenzelm@26626
  1501
        fun subst th [] = th
wenzelm@26626
  1502
          | subst th (rew::rews) = subst (mk_COMB th rew thy) rews
wenzelm@26626
  1503
        val res = HOLThm(rens_of info2,mk_EQ_MP (subst (mk_REFL cctxt) rews') th)
wenzelm@26626
  1504
        val _ = message "RESULT:"
wenzelm@26626
  1505
        val _ = if_debug pth res
skalberg@14516
  1506
    in
wenzelm@26626
  1507
        (thy,res)
skalberg@14516
  1508
    end
skalberg@14516
  1509
skalberg@14516
  1510
fun DISJ_CASES hth hth1 hth2 thy =
skalberg@14516
  1511
    let
wenzelm@26626
  1512
        val _ = message "DISJ_CASES:"
wenzelm@26626
  1513
        val _ = if_debug (app pth) [hth,hth1,hth2]
wenzelm@26626
  1514
        val (info,th) = disamb_thm hth
wenzelm@26626
  1515
        val (info1,th1) = disamb_thm_from info hth1
wenzelm@26626
  1516
        val (info2,th2) = disamb_thm_from info1 hth2
wenzelm@26626
  1517
        val th1 = norm_hyps th1
wenzelm@26626
  1518
        val th2 = norm_hyps th2
wenzelm@26626
  1519
        val (l,r) = case concl_of th of
haftmann@38795
  1520
                        _ $ (Const(@{const_name HOL.disj},_) $ l $ r) => (l,r)
wenzelm@26626
  1521
                      | _ => raise ERR "DISJ_CASES" "Conclusion not a disjunction"
wenzelm@26626
  1522
        val th1' = rearrange thy (HOLogic.mk_Trueprop l) th1
wenzelm@26626
  1523
        val th2' = rearrange thy (HOLogic.mk_Trueprop r) th2
wenzelm@26626
  1524
        val res1 = th RS disj_cases_thm
wenzelm@26626
  1525
        val res2 = uniq_compose ((nprems_of th1')-1) th1' ((nprems_of th)+1) res1
wenzelm@26626
  1526
        val res3 = uniq_compose ((nprems_of th2')-1) th2' (nprems_of res2) res2
wenzelm@26626
  1527
        val res  = HOLThm(rens_of info2,res3)
wenzelm@26626
  1528
        val _ = message "RESULT:"
wenzelm@26626
  1529
        val _ = if_debug pth res
skalberg@14516
  1530
    in
wenzelm@26626
  1531
        (thy,res)
skalberg@14516
  1532
    end
skalberg@14516
  1533
skalberg@14516
  1534
fun DISJ1 hth tm thy =
skalberg@14516
  1535
    let
wenzelm@26626
  1536
        val _ = message "DISJ1:"
wenzelm@26626
  1537
        val _ = if_debug pth hth
wenzelm@26626
  1538
        val _ = if_debug prin tm
wenzelm@26626
  1539
        val (info,th) = disamb_thm hth
wenzelm@26626
  1540
        val (info',tm') = disamb_term_from info tm
wenzelm@26626
  1541
        val ct = Thm.cterm_of thy tm'
wenzelm@26626
  1542
        val disj1_thm' = Drule.instantiate' [] [NONE,SOME ct] disj1_thm
wenzelm@26626
  1543
        val res = HOLThm(rens_of info',th RS disj1_thm')
wenzelm@26626
  1544
        val _ = message "RESULT:"
wenzelm@26626
  1545
        val _ = if_debug pth res
skalberg@14516
  1546
    in
wenzelm@26626
  1547
        (thy,res)
skalberg@14516
  1548
    end
skalberg@14516
  1549
skalberg@14516
  1550
fun DISJ2 tm hth thy =
skalberg@14516
  1551
    let
wenzelm@26626
  1552
        val _ = message "DISJ1:"
wenzelm@26626
  1553
        val _ = if_debug prin tm
wenzelm@26626
  1554
        val _ = if_debug pth hth
wenzelm@26626
  1555
        val (info,th) = disamb_thm hth
wenzelm@26626
  1556
        val (info',tm') = disamb_term_from info tm
wenzelm@26626
  1557
        val ct = Thm.cterm_of thy tm'
wenzelm@26626
  1558
        val disj2_thm' = Drule.instantiate' [] [NONE,SOME ct] disj2_thm
wenzelm@26626
  1559
        val res = HOLThm(rens_of info',th RS disj2_thm')
wenzelm@26626
  1560
        val _ = message "RESULT:"
wenzelm@26626
  1561
        val _ = if_debug pth res
skalberg@14516
  1562
    in
wenzelm@26626
  1563
        (thy,res)
skalberg@14516
  1564
    end
skalberg@14516
  1565
skalberg@14516
  1566
fun IMP_ANTISYM hth1 hth2 thy =
skalberg@14516
  1567
    let
wenzelm@26626
  1568
        val _ = message "IMP_ANTISYM:"
wenzelm@26626
  1569
        val _ = if_debug pth hth1
wenzelm@26626
  1570
        val _ = if_debug pth hth2
wenzelm@26626
  1571
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1572
        val th = [beta_eta_thm th1,beta_eta_thm th2] MRS imp_antisym_thm
wenzelm@26626
  1573
        val res = HOLThm(rens_of info,th)
wenzelm@26626
  1574
        val _ = message "RESULT:"
wenzelm@26626
  1575
        val _ = if_debug pth res
skalberg@14516
  1576
    in
wenzelm@26626
  1577
        (thy,res)
skalberg@14516
  1578
    end
skalberg@14516
  1579
skalberg@14516
  1580
fun SYM (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1581
    let
wenzelm@26626
  1582
        val _ = message "SYM:"
wenzelm@26626
  1583
        val _ = if_debug pth hth
wenzelm@26626
  1584
        val th = th RS symmetry_thm
wenzelm@26626
  1585
        val res = HOLThm(rens,th)
wenzelm@26626
  1586
        val _ = message "RESULT:"
wenzelm@26626
  1587
        val _ = if_debug pth res
skalberg@14516
  1588
    in
wenzelm@26626
  1589
        (thy,res)
skalberg@14516
  1590
    end
skalberg@14516
  1591
skalberg@14516
  1592
fun MP hth1 hth2 thy =
skalberg@14516
  1593
    let
wenzelm@26626
  1594
        val _ = message "MP:"
wenzelm@26626
  1595
        val _ = if_debug pth hth1
wenzelm@26626
  1596
        val _ = if_debug pth hth2
wenzelm@26626
  1597
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1598
        val th = [beta_eta_thm th1,beta_eta_thm th2] MRS mp_thm
wenzelm@26626
  1599
        val res = HOLThm(rens_of info,th)
wenzelm@26626
  1600
        val _ = message "RESULT:"
wenzelm@26626
  1601
        val _ = if_debug pth res
skalberg@14516
  1602
    in
wenzelm@26626
  1603
        (thy,res)
skalberg@14516
  1604
    end
skalberg@14516
  1605
skalberg@14516
  1606
fun CONJ hth1 hth2 thy =
skalberg@14516
  1607
    let
wenzelm@26626
  1608
        val _ = message "CONJ:"
wenzelm@26626
  1609
        val _ = if_debug pth hth1
wenzelm@26626
  1610
        val _ = if_debug pth hth2
wenzelm@26626
  1611
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1612
        val th = [th1,th2] MRS conj_thm
wenzelm@26626
  1613
        val res = HOLThm(rens_of info,th)
wenzelm@26626
  1614
        val _ = message "RESULT:"
wenzelm@26626
  1615
        val _ = if_debug pth res
skalberg@14516
  1616
    in
wenzelm@26626
  1617
        (thy,res)
skalberg@14516
  1618
    end
skalberg@14516
  1619
skalberg@14516
  1620
fun CONJUNCT1 (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1621
    let
wenzelm@26626
  1622
        val _ = message "CONJUNCT1:"
wenzelm@26626
  1623
        val _ = if_debug pth hth
wenzelm@26626
  1624
        val res = HOLThm(rens,th RS conjunct1_thm)
wenzelm@26626
  1625
        val _ = message "RESULT:"
wenzelm@26626
  1626
        val _ = if_debug pth res
skalberg@14516
  1627
    in
wenzelm@26626
  1628
        (thy,res)
skalberg@14516
  1629
    end
skalberg@14516
  1630
skalberg@14516
  1631
fun CONJUNCT2 (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1632
    let
wenzelm@26626
  1633
        val _ = message "CONJUNCT1:"
wenzelm@26626
  1634
        val _ = if_debug pth hth
wenzelm@26626
  1635
        val res = HOLThm(rens,th RS conjunct2_thm)
wenzelm@26626
  1636
        val _ = message "RESULT:"
wenzelm@26626
  1637
        val _ = if_debug pth res
skalberg@14516
  1638
    in
wenzelm@26626
  1639
        (thy,res)
skalberg@14516
  1640
    end
skalberg@14516
  1641
skalberg@14516
  1642
fun EXISTS ex wit hth thy =
skalberg@14516
  1643
    let
wenzelm@26626
  1644
        val _ = message "EXISTS:"
wenzelm@26626
  1645
        val _ = if_debug prin ex
wenzelm@26626
  1646
        val _ = if_debug prin wit
wenzelm@26626
  1647
        val _ = if_debug pth hth
wenzelm@26626
  1648
        val (info,th) = disamb_thm hth
wenzelm@26626
  1649
        val (info',[ex',wit']) = disamb_terms_from info [ex,wit]
wenzelm@26626
  1650
        val cwit = cterm_of thy wit'
wenzelm@26626
  1651
        val cty = ctyp_of_term cwit
wenzelm@26626
  1652
        val a = case ex' of
haftmann@38557
  1653
                    (Const(@{const_name Ex},_) $ a) => a
wenzelm@26626
  1654
                  | _ => raise ERR "EXISTS" "Argument not existential"
wenzelm@26626
  1655
        val ca = cterm_of thy a
wenzelm@26626
  1656
        val exists_thm' = beta_eta_thm (Drule.instantiate' [SOME cty] [SOME ca,SOME cwit] exists_thm)
wenzelm@26626
  1657
        val th1 = beta_eta_thm th
wenzelm@26626
  1658
        val th2 = implies_elim_all th1
wenzelm@26626
  1659
        val th3 = th2 COMP exists_thm'
wenzelm@26626
  1660
        val th  = implies_intr_hyps th3
wenzelm@26626
  1661
        val res = HOLThm(rens_of info',th)
wenzelm@26626
  1662
        val _   = message "RESULT:"
wenzelm@26626
  1663
        val _   = if_debug pth res
skalberg@14516
  1664
    in
wenzelm@26626
  1665
        (thy,res)
skalberg@14516
  1666
    end
skalberg@14516
  1667
skalberg@14516
  1668
fun CHOOSE v hth1 hth2 thy =
skalberg@14516
  1669
    let
wenzelm@26626
  1670
        val _ = message "CHOOSE:"
wenzelm@26626
  1671
        val _ = if_debug prin v
wenzelm@26626
  1672
        val _ = if_debug pth hth1
wenzelm@26626
  1673
        val _ = if_debug pth hth2
wenzelm@26626
  1674
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1675
        val (info',v') = disamb_term_from info v
wenzelm@26626
  1676
        fun strip 0 _ th = th
wenzelm@26626
  1677
          | strip n (p::ps) th =
wenzelm@36945
  1678
            strip (n-1) ps (Thm.implies_elim th (Thm.assume p))
wenzelm@26626
  1679
          | strip _ _ _ = raise ERR "CHOOSE" "strip error"
wenzelm@26626
  1680
        val cv = cterm_of thy v'
wenzelm@26626
  1681
        val th2 = norm_hyps th2
wenzelm@26626
  1682
        val cvty = ctyp_of_term cv
wenzelm@26626
  1683
        val c = HOLogic.dest_Trueprop (concl_of th2)
wenzelm@26626
  1684
        val cc = cterm_of thy c
wenzelm@26626
  1685
        val a = case concl_of th1 of
haftmann@38557
  1686
                    _ $ (Const(@{const_name Ex},_) $ a) => a
wenzelm@26626
  1687
                  | _ => raise ERR "CHOOSE" "Conclusion not existential"
wenzelm@26626
  1688
        val ca = cterm_of (theory_of_thm th1) a
wenzelm@26626
  1689
        val choose_thm' = beta_eta_thm (Drule.instantiate' [SOME cvty] [SOME ca,SOME cc] choose_thm)
wenzelm@26626
  1690
        val th21 = rearrange thy (HOLogic.mk_Trueprop (a $ v')) th2
wenzelm@26626
  1691
        val th22 = strip ((nprems_of th21)-1) (cprems_of th21) th21
wenzelm@36945
  1692
        val th23 = beta_eta_thm (Thm.forall_intr cv th22)
wenzelm@26626
  1693
        val th11 = implies_elim_all (beta_eta_thm th1)
wenzelm@26626
  1694
        val th' = th23 COMP (th11 COMP choose_thm')
wenzelm@26626
  1695
        val th = implies_intr_hyps th'
wenzelm@26626
  1696
        val res = HOLThm(rens_of info',th)
wenzelm@26626
  1697
        val _   = message "RESULT:"
wenzelm@26626
  1698
        val _   = if_debug pth res
skalberg@14516
  1699
    in
wenzelm@26626
  1700
        (thy,res)
skalberg@14516
  1701
    end
skalberg@14516
  1702
skalberg@14516
  1703
fun GEN v hth thy =
skalberg@14516
  1704
    let
obua@17594
  1705
      val _ = message "GEN:"
wenzelm@26626
  1706
        val _ = if_debug prin v
wenzelm@26626
  1707
        val _ = if_debug pth hth
wenzelm@26626
  1708
        val (info,th) = disamb_thm hth
wenzelm@26626
  1709
        val (info',v') = disamb_term_from info v
wenzelm@26626
  1710
        val res = HOLThm(rens_of info',mk_GEN v' th thy)
wenzelm@26626
  1711
        val _ = message "RESULT:"
wenzelm@26626
  1712
        val _ = if_debug pth res
skalberg@14516
  1713
    in
wenzelm@26626
  1714
        (thy,res)
skalberg@14516
  1715
    end
skalberg@14516
  1716
skalberg@14516
  1717
fun SPEC tm hth thy =
skalberg@14516
  1718
    let
wenzelm@26626
  1719
        val _ = message "SPEC:"
wenzelm@26626
  1720
        val _ = if_debug prin tm
wenzelm@26626
  1721
        val _ = if_debug pth hth
wenzelm@26626
  1722
        val (info,th) = disamb_thm hth
wenzelm@26626
  1723
        val (info',tm') = disamb_term_from info tm
wenzelm@26626
  1724
        val ctm = Thm.cterm_of thy tm'
wenzelm@26626
  1725
        val cty = Thm.ctyp_of_term ctm
wenzelm@26626
  1726
        val spec' = Drule.instantiate' [SOME cty] [NONE,SOME ctm] spec_thm
wenzelm@26626
  1727
        val th = th RS spec'
wenzelm@26626
  1728
        val res = HOLThm(rens_of info',th)
wenzelm@26626
  1729
        val _ = message "RESULT:"
wenzelm@26626
  1730
        val _ = if_debug pth res
skalberg@14516
  1731
    in
wenzelm@26626
  1732
        (thy,res)
skalberg@14516
  1733
    end
skalberg@14516
  1734
skalberg@14516
  1735
fun COMB hth1 hth2 thy =
skalberg@14516
  1736
    let
wenzelm@26626
  1737
        val _ = message "COMB:"
wenzelm@26626
  1738
        val _ = if_debug pth hth1
wenzelm@26626
  1739
        val _ = if_debug pth hth2
wenzelm@26626
  1740
        val (info,[th1,th2]) = disamb_thms [hth1,hth2]
wenzelm@26626
  1741
        val res = HOLThm(rens_of info,mk_COMB th1 th2 thy)
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 TRANS hth1 hth2 thy =
skalberg@14516
  1749
    let
wenzelm@26626
  1750
        val _ = message "TRANS:"
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 th = [th1,th2] MRS trans_thm
wenzelm@26626
  1755
        val res = HOLThm(rens_of info,th)
wenzelm@26626
  1756
        val _ = message "RESULT:"
wenzelm@26626
  1757
        val _ = if_debug pth res
skalberg@14516
  1758
    in
wenzelm@26626
  1759
        (thy,res)
skalberg@14516
  1760
    end
wenzelm@24707
  1761
skalberg@14516
  1762
skalberg@14516
  1763
fun CCONTR tm hth thy =
skalberg@14516
  1764
    let
wenzelm@26626
  1765
        val _ = message "SPEC:"
wenzelm@26626
  1766
        val _ = if_debug prin tm
wenzelm@26626
  1767
        val _ = if_debug pth hth
wenzelm@26626
  1768
        val (info,th) = disamb_thm hth
wenzelm@26626
  1769
        val (info',tm') = disamb_term_from info tm
wenzelm@26626
  1770
        val th = norm_hyps th
wenzelm@26626
  1771
        val ct = cterm_of thy tm'
haftmann@38557
  1772
        val th1 = rearrange thy (HOLogic.mk_Trueprop (Const(@{const_name Not},HOLogic.boolT-->HOLogic.boolT) $ tm')) th
wenzelm@26626
  1773
        val ccontr_thm' = Drule.instantiate' [] [SOME ct] ccontr_thm
wenzelm@26626
  1774
        val res1 = uniq_compose ((nprems_of th1) - 1) th1 1 ccontr_thm'
wenzelm@26626
  1775
        val res = HOLThm(rens_of info',res1)
wenzelm@26626
  1776
        val _ = message "RESULT:"
wenzelm@26626
  1777
        val _ = if_debug pth res
skalberg@14516
  1778
    in
wenzelm@26626
  1779
        (thy,res)
skalberg@14516
  1780
    end
skalberg@14516
  1781
wenzelm@17894
  1782
fun mk_ABS v th thy =
skalberg@14516
  1783
    let
wenzelm@26626
  1784
        val cv = cterm_of thy v
wenzelm@26626
  1785
        val th1 = implies_elim_all (beta_eta_thm th)
wenzelm@26626
  1786
        val (f,g) = case concl_of th1 of
haftmann@38864
  1787
                        _ $ (Const(@{const_name HOL.eq},_) $ f $ g) => (Term.lambda v f,Term.lambda v g)
wenzelm@26626
  1788
                      | _ => raise ERR "mk_ABS" "Bad conclusion"
wenzelm@40840
  1789
        val (fd,fr) = Term.dest_funT (type_of f)
wenzelm@26626
  1790
        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@36945
  1791
        val th2 = Thm.forall_intr cv th1
wenzelm@26626
  1792
        val th3 = th2 COMP abs_thm'
wenzelm@26626
  1793
        val res = implies_intr_hyps th3
skalberg@14516
  1794
    in
wenzelm@26626
  1795
        res
skalberg@14516
  1796
    end
skalberg@14516
  1797
skalberg@14516
  1798
fun ABS v hth thy =
skalberg@14516
  1799
    let
wenzelm@26626
  1800
        val _ = message "ABS:"
wenzelm@26626
  1801
        val _ = if_debug prin v
wenzelm@26626
  1802
        val _ = if_debug pth hth
wenzelm@26626
  1803
        val (info,th) = disamb_thm hth
wenzelm@26626
  1804
        val (info',v') = disamb_term_from info v
wenzelm@26626
  1805
        val res = HOLThm(rens_of info',mk_ABS v' th thy)
wenzelm@26626
  1806
        val _ = message "RESULT:"
wenzelm@26626
  1807
        val _ = if_debug pth res
skalberg@14516
  1808
    in
wenzelm@26626
  1809
        (thy,res)
skalberg@14516
  1810
    end
skalberg@14516
  1811
skalberg@14516
  1812
fun GEN_ABS copt vlist hth thy =
skalberg@14516
  1813
    let
wenzelm@26626
  1814
        val _ = message "GEN_ABS:"
wenzelm@26626
  1815
        val _ = case copt of
wenzelm@26626
  1816
                    SOME c => if_debug prin c
wenzelm@26626
  1817
                  | NONE => ()
wenzelm@26626
  1818
        val _ = if_debug (app prin) vlist
wenzelm@26626
  1819
        val _ = if_debug pth hth
wenzelm@26626
  1820
        val (info,th) = disamb_thm hth
wenzelm@26626
  1821
        val (info',vlist') = disamb_terms_from info vlist
wenzelm@26626
  1822
        val th1 =
wenzelm@26626
  1823
            case copt of
wenzelm@26626
  1824
                SOME (c as Const(cname,cty)) =>
wenzelm@26626
  1825
                let
wenzelm@26626
  1826
                    fun inst_type ty1 ty2 (TVar _) = raise ERR "GEN_ABS" "Type variable found!"
wenzelm@26626
  1827
                      | inst_type ty1 ty2 (ty as TFree _) = if ty1 = ty
wenzelm@26626
  1828
                                                            then ty2
wenzelm@26626
  1829
                                                            else ty
wenzelm@26626
  1830
                      | inst_type ty1 ty2 (ty as Type(name,tys)) =
wenzelm@26626
  1831
                        Type(name,map (inst_type ty1 ty2) tys)
wenzelm@26626
  1832
                in
wenzelm@33339
  1833
                    fold_rev (fn v => fn th =>
wenzelm@26626
  1834
                              let
wenzelm@40840
  1835
                                  val cdom = fst (Term.dest_funT (fst (Term.dest_funT cty)))
wenzelm@26626
  1836
                                  val vty  = type_of v
wenzelm@26626
  1837
                                  val newcty = inst_type cdom vty cty
wenzelm@26626
  1838
                                  val cc = cterm_of thy (Const(cname,newcty))
wenzelm@26626
  1839
                              in
wenzelm@26626
  1840
                                  mk_COMB (mk_REFL cc) (mk_ABS v th thy) thy
wenzelm@33339
  1841
                              end) vlist' th
wenzelm@26626
  1842
                end
wenzelm@26626
  1843
              | SOME _ => raise ERR "GEN_ABS" "Bad constant"
wenzelm@26626
  1844
              | NONE =>
wenzelm@33339
  1845
                fold_rev (fn v => fn th => mk_ABS v th thy) vlist' th
wenzelm@26626
  1846
        val res = HOLThm(rens_of info',th1)
wenzelm@26626
  1847
        val _ = message "RESULT:"
wenzelm@26626
  1848
        val _ = if_debug pth res
skalberg@14516
  1849
    in
wenzelm@26626
  1850
        (thy,res)
skalberg@14516
  1851
    end
skalberg@14516
  1852
skalberg@14516
  1853
fun NOT_INTRO (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1854
    let
wenzelm@26626
  1855
        val _ = message "NOT_INTRO:"
wenzelm@26626
  1856
        val _ = if_debug pth hth
wenzelm@26626
  1857
        val th1 = implies_elim_all (beta_eta_thm th)
wenzelm@26626
  1858
        val a = case concl_of th1 of
haftmann@38786
  1859
                    _ $ (Const(@{const_name HOL.implies},_) $ a $ Const(@{const_name False},_)) => a
wenzelm@26626
  1860
                  | _ => raise ERR "NOT_INTRO" "Conclusion of bad form"
wenzelm@26626
  1861
        val ca = cterm_of thy a
wenzelm@36945
  1862
        val th2 = Thm.equal_elim (Drule.instantiate' [] [SOME ca] not_intro_thm) th1
wenzelm@26626
  1863
        val res = HOLThm(rens,implies_intr_hyps th2)
wenzelm@26626
  1864
        val _ = message "RESULT:"
wenzelm@26626
  1865
        val _ = if_debug pth res
skalberg@14516
  1866
    in
wenzelm@26626
  1867
        (thy,res)
skalberg@14516
  1868
    end
skalberg@14516
  1869
skalberg@14516
  1870
fun NOT_ELIM (hth as HOLThm(rens,th)) thy =
skalberg@14516
  1871
    let
wenzelm@26626
  1872
        val _ = message "NOT_INTRO:"
wenzelm@26626
  1873
        val _ = if_debug pth hth
wenzelm@26626
  1874
        val th1 = implies_elim_all (beta_eta_thm th)
wenzelm@26626
  1875
        val a = case concl_of th1 of
haftmann@38557
  1876
                    _ $ (Const(@{const_name Not},_) $ a) => a
wenzelm@26626
  1877
                  | _ => raise ERR "NOT_ELIM" "Conclusion of bad form"
wenzelm@26626
  1878
        val ca = cterm_of thy a
wenzelm@36945
  1879
        val th2 = Thm.equal_elim (Drule.instantiate' [] [SOME ca] not_elim_thm) th1
wenzelm@26626
  1880
        val res = HOLThm(rens,implies_intr_hyps th2)
wenzelm@26626
  1881
        val _ = message "RESULT:"
wenzelm@26626
  1882
        val _ = if_debug pth res
skalberg@14516
  1883
    in
wenzelm@26626
  1884
        (thy,res)
skalberg@14516
  1885
    end
skalberg@14516
  1886
skalberg@14516
  1887
fun DISCH tm hth thy =
skalberg@14516
  1888
    let
wenzelm@26626
  1889
        val _ = message "DISCH:"
wenzelm@26626
  1890
        val _ = if_debug prin tm
wenzelm@26626
  1891
        val _ = if_debug pth hth
wenzelm@26626
  1892
        val (info,th) = disamb_thm hth
wenzelm@26626
  1893
        val (info',tm') = disamb_term_from info tm
wenzelm@26626
  1894
        val prems = prems_of th
wenzelm@26626
  1895
        val th1 = beta_eta_thm th
wenzelm@26626
  1896
        val th2 = implies_elim_all th1
wenzelm@36945
  1897
        val th3 = Thm.implies_intr (cterm_of thy (HOLogic.mk_Trueprop tm')) th2
wenzelm@26626
  1898
        val th4 = th3 COMP disch_thm
wenzelm@36945
  1899
        val res = HOLThm (rens_of info', implies_intr_hyps th4)
wenzelm@26626
  1900
        val _ = message "RESULT:"
wenzelm@26626
  1901
        val _ = if_debug pth res
skalberg@14516
  1902
    in
wenzelm@26626
  1903
        (thy,res)
skalberg@14516
  1904
    end
skalberg@14516
  1905
wenzelm@32951
  1906
val spaces = space_implode " "
skalberg@14516
  1907
skalberg@14516
  1908
fun new_definition thyname constname rhs thy =
skalberg@14516
  1909
    let
wenzelm@26626
  1910
        val constname = rename_const thyname thy constname
wenzelm@33035
  1911
        val redeclared = is_some (Sign.const_type thy (Sign.intern_const thy constname));
wenzelm@26626
  1912
        val _ = warning ("Introducing constant " ^ constname)
wenzelm@26626
  1913
        val (thmname,thy) = get_defname thyname constname thy
wenzelm@26626
  1914
        val (info,rhs') = disamb_term rhs
wenzelm@26626
  1915
        val ctype = type_of rhs'
wenzelm@26626
  1916
        val csyn = mk_syn thy constname
wenzelm@26626
  1917
        val thy1 = case HOL4DefThy.get thy of
wenzelm@26626
  1918
                       Replaying _ => thy
wenzelm@30346
  1919
                     | _ => (ImportRecorder.add_consts [(constname, ctype, csyn)];
wenzelm@30346
  1920
                              Sign.add_consts_i [(Binding.name constname,ctype,csyn)] thy)
wenzelm@26626
  1921
        val eq = mk_defeq constname rhs' thy1
wenzelm@39557
  1922
        val (thms, thy2) = Global_Theory.add_defs false [((Binding.name thmname,eq),[])] thy1
wenzelm@26626
  1923
        val _ = ImportRecorder.add_defs thmname eq
wenzelm@26626
  1924
        val def_thm = hd thms
wenzelm@26626
  1925
        val thm' = def_thm RS meta_eq_to_obj_eq_thm
wenzelm@26626
  1926
        val (thy',th) = (thy2, thm')
wenzelm@26626
  1927
        val fullcname = Sign.intern_const thy' constname
wenzelm@26626
  1928
        val thy'' = add_hol4_const_mapping thyname constname true fullcname thy'
wenzelm@26626
  1929
        val _ = ImportRecorder.add_hol_const_mapping thyname constname fullcname
wenzelm@26626
  1930
        val (linfo,tm24) = disamb_term (mk_teq constname rhs' thy'')
wenzelm@26626
  1931
        val rew = rewrite_hol4_term eq thy''
wenzelm@26626
  1932
        val crhs = cterm_of thy'' (#2 (Logic.dest_equals (prop_of rew)))
wenzelm@39118
  1933
        val thy22 =
wenzelm@39118
  1934
          if Thm.def_name constname = thmname andalso not redeclared andalso csyn = NoSyn
wenzelm@39118
  1935
          then
wenzelm@39118
  1936
              let
wenzelm@39118
  1937
                  val ctxt = Syntax.init_pretty_global thy''
wenzelm@39118
  1938
                  val p1 = quotename constname
wenzelm@39118
  1939
                  val p2 = Syntax.string_of_typ ctxt ctype
wenzelm@39118
  1940
                  val p3 = string_of_mixfix csyn
wenzelm@39118
  1941
                  val p4 = smart_string_of_cterm ctxt crhs
wenzelm@39118
  1942
              in
wenzelm@39118
  1943
                add_dump ("definition\n  " ^ p1 ^ " :: \"" ^ p2 ^ "\" "^ p3 ^ " where\n  " ^ p4) thy''
wenzelm@39118
  1944
              end
wenzelm@39118
  1945
          else
wenzelm@39118
  1946
              let val ctxt = Syntax.init_pretty_global thy'' in
wenzelm@39118
  1947
                add_dump ("consts\n  " ^ quotename constname ^ " :: \"" ^
wenzelm@39118
  1948
                  Syntax.string_of_typ ctxt ctype ^
wenzelm@39118
  1949
                  "\" " ^ string_of_mixfix csyn ^ "\n\ndefs\n  " ^
wenzelm@39118
  1950
                  quotename thmname ^ ": " ^ smart_string_of_cterm ctxt crhs) thy''
wenzelm@39118
  1951
              end
wenzelm@26626
  1952
        val hth = case Shuffler.set_prop thy22 (HOLogic.mk_Trueprop tm24) [("",th)] of
wenzelm@26626
  1953
                      SOME (_,res) => HOLThm(rens_of linfo,res)
wenzelm@26626
  1954
                    | NONE => raise ERR "new_definition" "Bad conclusion"
haftmann@28965
  1955
        val fullname = Sign.full_bname thy22 thmname
wenzelm@26626
  1956
        val thy22' = case opt_get_output_thy thy22 of
wenzelm@26626
  1957
                         "" => (ImportRecorder.add_hol_mapping thyname thmname fullname;
wenzelm@26626
  1958
                                add_hol4_mapping thyname thmname fullname thy22)
wenzelm@26626
  1959
                       | output_thy =>
wenzelm@26626
  1960
                         let
wenzelm@26626
  1961
                             val moved_thmname = output_thy ^ "." ^ thyname ^ "." ^ thmname
wenzelm@26626
  1962
                             val _ = ImportRecorder.add_hol_move fullname moved_thmname
wenzelm@26626
  1963
                             val _ = ImportRecorder.add_hol_mapping thyname thmname moved_thmname
wenzelm@26626
  1964
                         in
wenzelm@26626
  1965
                             thy22 |> add_hol4_move fullname moved_thmname
wenzelm@26626
  1966
                                   |> add_hol4_mapping thyname thmname moved_thmname
wenzelm@26626
  1967
                         end
wenzelm@26626
  1968
        val _ = message "new_definition:"
wenzelm@26626
  1969
        val _ = if_debug pth hth
skalberg@14516
  1970
    in
wenzelm@26626
  1971
        (thy22',hth)
skalberg@14516
  1972
    end
skalberg@14516
  1973
skalberg@14516
  1974
fun new_specification thyname thmname names hth thy =
skalberg@14516
  1975
    case HOL4DefThy.get thy of
wenzelm@26626
  1976
        Replaying _ => (thy,hth)
wenzelm@24707
  1977
      | _ =>
wenzelm@26626
  1978
        let
wenzelm@26626
  1979
            val _ = message "NEW_SPEC:"
wenzelm@26626
  1980
            val _ = if_debug pth hth
wenzelm@26626
  1981
            val names = map (rename_const thyname thy) names
wenzelm@26626
  1982
            val _ = warning ("Introducing constants " ^ commas names)
wenzelm@26626
  1983
            val (HOLThm(rens,th)) = norm_hthm thy hth
wenzelm@26626
  1984
            val thy1 = case HOL4DefThy.get thy of
wenzelm@26626
  1985
                           Replaying _ => thy
wenzelm@26626
  1986
                         | _ =>
wenzelm@26626
  1987
                           let
wenzelm@26626
  1988
                               fun dest_eta_abs (Abs(x,xT,body)) = (x,xT,body)
wenzelm@26626
  1989
                                 | dest_eta_abs body =
wenzelm@26626
  1990
                                   let
wenzelm@40840
  1991
                                       val (dT,rT) = Term.dest_funT (type_of body)
wenzelm@26626
  1992
                                   in
wenzelm@26626
  1993
                                       ("x",dT,body $ Bound 0)
wenzelm@26626
  1994
                                   end
wenzelm@26626
  1995
                                   handle TYPE _ => raise ERR "new_specification" "not an abstraction type"
haftmann@38557
  1996
                               fun dest_exists (Const(@{const_name Ex},_) $ abody) =
wenzelm@26626
  1997
                                   dest_eta_abs abody
wenzelm@26626
  1998
                                 | dest_exists tm =
wenzelm@26626
  1999
                                   raise ERR "new_specification" "Bad existential formula"
wenzelm@24707
  2000
wenzelm@26626
  2001
                               val (consts,_) = Library.foldl (fn ((cs,ex),cname) =>
wenzelm@26626
  2002
                                                          let
wenzelm@26626
  2003
                                                              val (_,cT,p) = dest_exists ex
wenzelm@26626
  2004
                                                          in
wenzelm@26626
  2005
                                                              ((cname,cT,mk_syn thy cname)::cs,p)
wenzelm@26626
  2006
                                                          end) (([],HOLogic.dest_Trueprop (concl_of th)),names)
wenzelm@32432
  2007
                               val str = Library.foldl (fn (acc, (c, T, csyn)) =>
wenzelm@32432
  2008
                                   acc ^ "\n  " ^ quotename c ^ " :: \"" ^
wenzelm@32432
  2009
                                   Syntax.string_of_typ_global thy T ^ "\" " ^ string_of_mixfix csyn) ("consts", consts)
wenzelm@26626
  2010
                               val thy' = add_dump str thy
wenzelm@26626
  2011
                               val _ = ImportRecorder.add_consts consts
wenzelm@26626
  2012
                           in
wenzelm@30346
  2013
                               Sign.add_consts_i (map (fn (c, T, mx) => (Binding.name c, T, mx)) consts) thy'
wenzelm@26626
  2014
                           end
skalberg@14516
  2015
wenzelm@33339
  2016
            val thy1 = fold_rev (fn name => fn thy =>
wenzelm@33339
  2017
                                snd (get_defname thyname name thy)) names thy1
wenzelm@26626
  2018
            fun new_name name = fst (get_defname thyname name thy1)
wenzelm@26626
  2019
            val names' = map (fn name => (new_name name,name,false)) names
haftmann@31723
  2020
            val (thy',res) = Choice_Specification.add_specification NONE
wenzelm@26626
  2021
                                 names'
wenzelm@26626
  2022
                                 (thy1,th)
wenzelm@26626
  2023
            val _ = ImportRecorder.add_specification names' th
wenzelm@35845
  2024
            val res' = Thm.unvarify_global res
wenzelm@26626
  2025
            val hth = HOLThm(rens,res')
wenzelm@26626
  2026
            val rew = rewrite_hol4_term (concl_of res') thy'
wenzelm@36945
  2027
            val th  = Thm.equal_elim rew res'
wenzelm@26626
  2028
            fun handle_const (name,thy) =
wenzelm@26626
  2029
                let
wenzelm@28677
  2030
                    val defname = Thm.def_name name
wenzelm@26626
  2031
                    val (newname,thy') = get_defname thyname name thy
wenzelm@26626
  2032
                in
wenzelm@26626
  2033
                    (if defname = newname
wenzelm@26626
  2034
                     then quotename name
wenzelm@26626
  2035
                     else (quotename newname) ^ ": " ^ (quotename name),thy')
wenzelm@26626
  2036
                end
wenzelm@33339
  2037
            val (new_names,thy') = fold_rev (fn name => fn (names, thy) =>
wenzelm@26626
  2038
                                            let
wenzelm@26626
  2039
                                                val (name',thy') = handle_const (name,thy)
wenzelm@26626
  2040
                                            in
wenzelm@26626
  2041
                                                (name'::names,thy')
wenzelm@33339
  2042
                                            end) names ([], thy')
wenzelm@39118
  2043
            val thy'' =
wenzelm@39118
  2044
              add_dump ("specification (" ^ (spaces new_names) ^ ") " ^ thmname ^ ": " ^
wenzelm@39118
  2045
                (smart_string_of_thm (Syntax.init_pretty_global thy') th) ^
wenzelm@39118
  2046
                "\n  by (import " ^ thyname ^ " " ^ thmname ^ ")")
wenzelm@39118
  2047
                thy'
wenzelm@26626
  2048
            val _ = message "RESULT:"
wenzelm@26626
  2049
            val _ = if_debug pth hth
wenzelm@26626
  2050
        in
wenzelm@26626
  2051
            intern_store_thm false thyname thmname hth thy''
wenzelm@26626
  2052
        end
wenzelm@24707
  2053
skalberg@14516
  2054
fun new_axiom name tm thy = raise ERR "new_axiom" ("Oh, no you don't! (" ^ name ^ ")")
wenzelm@24707
  2055
skalberg@14516
  2056
fun to_isa_thm (hth as HOLThm(_,th)) =
skalberg@14516
  2057
    let
wenzelm@26626
  2058
        val (HOLThm args) = norm_hthm (theory_of_thm th) hth
skalberg@14516
  2059
    in
wenzelm@36614
  2060
        apsnd Thm.strip_shyps args
skalberg@14516
  2061
    end
skalberg@14516
  2062
skalberg@14516
  2063
fun to_isa_term tm = tm
skalberg@14516
  2064
skalberg@14516
  2065
local
wenzelm@39159
  2066
    val light_nonempty = @{thm light_ex_imp_nonempty}
wenzelm@39159
  2067
    val ex_imp_nonempty = @{thm ex_imp_nonempty}
wenzelm@39159
  2068
    val typedef_hol2hol4 = @{thm typedef_hol2hol4}
wenzelm@39159
  2069
    val typedef_hol2hollight = @{thm typedef_hol2hollight}
skalberg@14516
  2070
in
skalberg@14516
  2071
fun new_type_definition thyname thmname tycname hth thy =
skalberg@14516
  2072
    case HOL4DefThy.get thy of
wenzelm@26626
  2073
        Replaying _ => (thy,hth)
wenzelm@24707
  2074
      | _ =>
wenzelm@26626
  2075
        let
wenzelm@26626
  2076
            val _ = message "TYPE_DEF:"
wenzelm@26626
  2077
            val _ = if_debug pth hth
wenzelm@26626
  2078
            val _ = warning ("Introducing type " ^ tycname)
wenzelm@26626
  2079
            val (HOLThm(rens,td_th)) = norm_hthm thy hth
wenzelm@26626
  2080
            val th2 = beta_eta_thm (td_th RS ex_imp_nonempty)
wenzelm@26626
  2081
            val c = case concl_of th2 of
haftmann@38557
  2082
                        _ $ (Const(@{const_name Ex},_) $ Abs(_,_,Const(@{const_name Set.member},_) $ _ $ c)) => c
wenzelm@26626
  2083
                      | _ => raise ERR "new_type_definition" "Bad type definition theorem"
wenzelm@29270
  2084
            val tfrees = OldTerm.term_tfrees c
wenzelm@26626
  2085
            val tnames = map fst tfrees
wenzelm@26626
  2086
            val tsyn = mk_syn thy tycname
wenzelm@26626
  2087
            val typ = (tycname,tnames,tsyn)
wenzelm@30346
  2088
            val ((_, typedef_info), thy') =
wenzelm@35742
  2089
              Typedef.add_typedef_global false (SOME (Binding.name thmname))
wenzelm@35842
  2090
                (Binding.name tycname, map (rpair dummyS) tnames, tsyn) c NONE (rtac th2 1) thy
obua@19064
  2091
            val _ = ImportRecorder.add_typedef (SOME thmname) typ c NONE th2
wenzelm@24707
  2092
wenzelm@35994
  2093
            val th3 = (#type_definition (#2 typedef_info)) RS typedef_hol2hol4
skalberg@14516
  2094
wenzelm@26626
  2095
            val fulltyname = Sign.intern_type thy' tycname
wenzelm@26626
  2096
            val thy'' = add_hol4_type_mapping thyname tycname true fulltyname thy'
wenzelm@26626
  2097
            val _ = ImportRecorder.add_hol_type_mapping thyname tycname fulltyname
skalberg@14516
  2098
wenzelm@26626
  2099
            val (hth' as HOLThm args) = norm_hthm thy'' (HOLThm(rens,th3))
wenzelm@26626
  2100
            val _ = if has_ren hth' then warning ("Theorem " ^ thmname ^ " needs variable-disambiguating")
wenzelm@26626
  2101
                    else ()
wenzelm@26626
  2102
            val thy4 = add_hol4_pending thyname thmname args thy''
wenzelm@26626
  2103
            val _ = ImportRecorder.add_hol_pending thyname thmname (hthm2thm hth')
skalberg@14516
  2104
wenzelm@26626
  2105
            val rew = rewrite_hol4_term (concl_of td_th) thy4
wenzelm@36945
  2106
            val th  = Thm.equal_elim rew (Thm.transfer thy4 td_th)
wenzelm@26626
  2107
            val c   = case HOLogic.dest_Trueprop (prop_of th) of
haftmann@38557
  2108
                          Const(@{const_name Ex},exT) $ P =>
wenzelm@26626
  2109
                          let
wenzelm@26626
  2110
                              val PT = domain_type exT
wenzelm@26626
  2111
                          in
haftmann@37677
  2112
                              Const (@{const_name Collect},PT-->HOLogic.mk_setT (domain_type PT)) $ P
wenzelm@26626
  2113
                          end
wenzelm@26626
  2114
                        | _ => error "Internal error in ProofKernel.new_typedefinition"
wenzelm@26626
  2115
            val tnames_string = if null tnames
wenzelm@26626
  2116
                                then ""
wenzelm@26626
  2117
                                else "(" ^ commas tnames ^ ") "
wenzelm@39118
  2118
            val proc_prop =
wenzelm@39118
  2119
              smart_string_of_cterm
wenzelm@39118
  2120
                (Syntax.init_pretty_global thy4
wenzelm@39118
  2121
                  |> not (null tnames) ? Config.put show_all_types true)
wenzelm@26626
  2122
            val thy5 = add_dump ("typedef (open) " ^ tnames_string ^ (quotename tycname) ^ " = " ^ (proc_prop (cterm_of thy4 c)) ^ " "
wenzelm@26626
  2123
                                 ^ (string_of_mixfix tsyn) ^ "\n  by (rule typedef_helper,import " ^ thyname ^ " " ^ thmname ^ ")") thy4
wenzelm@24707
  2124
wenzelm@26626
  2125
            val thy6 = add_dump ("lemmas " ^ thmname ^ " = typedef_hol2hol4 [OF type_definition_" ^ tycname ^ "]") thy5
wenzelm@24707
  2126
wenzelm@26626
  2127
            val _ = message "RESULT:"
wenzelm@26626
  2128
            val _ = if_debug pth hth'
wenzelm@26626
  2129
        in
wenzelm@26626
  2130
            (thy6,hth')
wenzelm@26626
  2131
        end
skalberg@14516
  2132
wenzelm@24707
  2133
fun add_dump_syntax thy name =
obua@17594
  2134
    let
obua@17594
  2135
      val n = quotename name
wenzelm@19264
  2136
      val syn = string_of_mixfix (mk_syn thy name)
obua@17594
  2137
    in
obua@17594
  2138
      add_dump ("syntax\n  "^n^" :: _ "^syn) thy
obua@17594
  2139
    end
wenzelm@24707
  2140
skalberg@14516
  2141
fun type_introduction thyname thmname tycname abs_name rep_name (P,t) hth thy =
skalberg@14516
  2142
    case HOL4DefThy.get thy of
wenzelm@26626
  2143
        Replaying _ => (thy,
wenzelm@39557
  2144
          HOLThm([], Global_Theory.get_thm thy (thmname^"_@intern")) handle ERROR _ => hth)
wenzelm@24707
  2145
      | _ =>
wenzelm@26626
  2146
        let
obua@17322
  2147
            val _ = message "TYPE_INTRO:"
wenzelm@26626
  2148
            val _ = if_debug pth hth
wenzelm@26626
  2149
            val _ = warning ("Introducing type " ^ tycname ^ " (with morphisms " ^ abs_name ^ " and " ^ rep_name ^ ")")
wenzelm@26626
  2150
            val (HOLThm(rens,td_th)) = norm_hthm thy hth
wenzelm@26626
  2151
            val tT = type_of t
wenzelm@26626
  2152
            val light_nonempty' =
wenzelm@26626
  2153
                Drule.instantiate' [SOME (ctyp_of thy tT)]
wenzelm@26626
  2154
                                   [SOME (cterm_of thy P),
wenzelm@26626
  2155
                                    SOME (cterm_of thy t)] light_nonempty
wenzelm@26626
  2156
            val th2 = beta_eta_thm (td_th RS (beta_eta_thm light_nonempty'))
wenzelm@26626
  2157
            val c = case concl_of th2 of
haftmann@38557
  2158
                        _ $ (Const(@{const_name Ex},_) $ Abs(_,_,Const(@{const_name Set.member},_) $ _ $ c)) => c
wenzelm@26626
  2159
                      | _ => raise ERR "type_introduction" "Bad type definition theorem"
wenzelm@29270
  2160
            val tfrees = OldTerm.term_tfrees c
wenzelm@32945
  2161
            val tnames = sort_strings (map fst tfrees)
wenzelm@26626
  2162
            val tsyn = mk_syn thy tycname
wenzelm@26626
  2163
            val typ = (tycname,tnames,tsyn)
wenzelm@30346
  2164
            val ((_, typedef_info), thy') =
wenzelm@35842
  2165
              Typedef.add_typedef_global false NONE
wenzelm@35842
  2166
                (Binding.name tycname, map (rpair dummyS) tnames, tsyn) c
wenzelm@30346
  2167
                (SOME(Binding.name rep_name,Binding.name abs_name)) (rtac th2 1) thy
wenzelm@26626
  2168
            val _ = ImportRecorder.add_typedef NONE typ c (SOME(rep_name,abs_name)) th2
wenzelm@26626
  2169
            val fulltyname = Sign.intern_type thy' tycname
wenzelm@26626
  2170
            val aty = Type (fulltyname, map mk_vartype tnames)
wenzelm@26626
  2171
            val abs_ty = tT --> aty
wenzelm@26626
  2172
            val rep_ty = aty --> tT
wenzelm@24707
  2173
            val typedef_hol2hollight' =
wenzelm@26626
  2174
                Drule.instantiate'
wenzelm@26626
  2175
                    [SOME (ctyp_of thy' aty), SOME (ctyp_of thy' tT)]
wenzelm@26626
  2176
                    [NONE, NONE, NONE, SOME (cterm_of thy' (Free ("a", aty))), SOME (cterm_of thy' (Free ("r", tT)))]
obua@17379
  2177
                    typedef_hol2hollight
wenzelm@35994
  2178
            val th4 = (#type_definition (#2 typedef_info)) RS typedef_hol2hollight'
wenzelm@22691
  2179
            val _ = null (Thm.fold_terms Term.add_tvars th4 []) orelse
wenzelm@20286
  2180
              raise ERR "type_introduction" "no type variables expected any more"
wenzelm@22691
  2181
            val _ = null (Thm.fold_terms Term.add_vars th4 []) orelse
wenzelm@20286
  2182
              raise ERR "type_introduction" "no term variables expected any more"
wenzelm@26626
  2183
            val _ = message ("step 3: thyname="^thyname^", tycname="^tycname^", fulltyname="^fulltyname)
obua@17322
  2184
            val thy'' = add_hol4_type_mapping thyname tycname true fulltyname thy'
wenzelm@26626
  2185
            val _ = ImportRecorder.add_hol_type_mapping thyname tycname fulltyname
obua@17322
  2186
            val _ = message "step 4"
wenzelm@26626
  2187
            val (hth' as HOLThm args) = norm_hthm thy'' (HOLThm(rens,th4))
wenzelm@26626
  2188
            val thy4 = add_hol4_pending thyname thmname args thy''
wenzelm@26626
  2189
            val _ = ImportRecorder.add_hol_pending thyname thmname (hthm2thm hth')
wenzelm@24707
  2190
wenzelm@26626
  2191
            val P' = P (* why !? #2 (Logic.dest_equals (concl_of (rewrite_hol4_term P thy4))) *)
wenzelm@26626
  2192
            val c   =
wenzelm@26626
  2193
                let
wenzelm@26626
  2194
                    val PT = type_of P'
wenzelm@26626
  2195
                in
haftmann@37677
  2196
                    Const (@{const_name Collect},PT-->HOLogic.mk_setT (domain_type PT)) $ P'
wenzelm@26626
  2197
                end
wenzelm@24707
  2198
wenzelm@26626
  2199
            val tnames_string = if null tnames
wenzelm@26626
  2200
                                then ""
wenzelm@26626
  2201
                                else "(" ^ commas tnames ^ ") "
wenzelm@39118
  2202
            val proc_prop =
wenzelm@39118
  2203
              smart_string_of_cterm
wenzelm@39118
  2204
                (Syntax.init_pretty_global thy4
wenzelm@39118
  2205
                  |> not (null tnames) ? Config.put show_all_types true)
wenzelm@26626
  2206
            val thy = add_dump ("typedef (open) " ^ tnames_string ^ (quotename tycname) ^
wenzelm@24707
  2207
              " = " ^ (proc_prop (cterm_of thy4 c)) ^ " " ^
wenzelm@26626
  2208
              (string_of_mixfix tsyn) ^ " morphisms "^
wenzelm@24707
  2209
              (quote rep_name)^" "^(quote abs_name)^"\n"^
wenzelm@26626
  2210
              ("  apply (rule light_ex_imp_nonempty[where t="^
wenzelm@24707
  2211
              (proc_prop (cterm_of thy4 t))^"])\n"^
wenzelm@26626
  2212
              ("  by (import " ^ thyname ^ " " ^ (quotename thmname) ^ ")"))) thy4
wenzelm@32432
  2213
            val str_aty = Syntax.string_of_typ_global thy aty
wenzelm@24707
  2214
            val thy = add_dump_syntax thy rep_name
obua@17594
  2215
            val thy = add_dump_syntax thy abs_name
wenzelm@26626
  2216
            val thy = add_dump ("lemmas " ^ (quote (thmname^"_@intern")) ^
obua@17594
  2217
              " = typedef_hol2hollight \n"^
obua@17594
  2218
              "  [where a=\"a :: "^str_aty^"\" and r=r" ^
wenzelm@26626
  2219
              " ,\n   OF "^(quotename ("type_definition_" ^ tycname)) ^ "]") thy
wenzelm@26626
  2220
            val _ = message "RESULT:"
wenzelm@26626
  2221
            val _ = if_debug pth hth'
wenzelm@26626
  2222
        in
wenzelm@26626
  2223
            (thy,hth')
wenzelm@26626
  2224
        end
skalberg@14516
  2225
end
skalberg@14516
  2226
obua@17322
  2227
val prin = prin
obua@17322
  2228
skalberg@14516
  2229
end