neuper@37906
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(* Handle user-input during the specify- and the solve-phase.
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neuper@37906
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author: Walther Neuper
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neuper@37906
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0603
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neuper@37906
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(c) due to copyright terms
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neuper@37906
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*)
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neuper@37906
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wneuper@59262
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signature INPUT_FORMULAS =
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wneuper@59262
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sig
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wneuper@59262
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datatype iitem = Find of cterm' list | Given of cterm' list | Relate of cterm' list
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wneuper@59262
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type imodel = iitem list
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wneuper@59276
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type icalhd = Ctree.pos' * cterm' * imodel * Ctree.pos_ * spec
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wneuper@59302
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val fetchErrorpatterns : Tac.tac -> errpatID list
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wneuper@59279
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val input_icalhd : Ctree.ctree -> icalhd -> Ctree.ctree * Ctree.ocalhd
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wneuper@59265
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val inform : Chead.calcstate' -> string -> string * Chead.calcstate'
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wneuper@59301
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val find_fillpatterns : Ctree.state -> errpatID -> (fillpatID * term * thm * Selem.subs option) list
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wneuper@59302
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val is_exactly_equal : Ctree.state -> string -> string * Tac.tac
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wneuper@59310
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(* ---- for tests only: shifted from below to remove the Warning "unused" at fun.def. --------- *)
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wneuper@59310
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(* NONE *)
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wneuper@59299
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(*/-------------------------------------------------------- ! aktivate for Test_Isac BEGIN ---\* )
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wneuper@59262
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val dropwhile' : ('a -> 'b -> bool) -> 'a list -> 'b list -> 'a list * 'b list
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wneuper@59279
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val cas_input : term -> (Ctree.ctree * Ctree.ocalhd) option
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wneuper@59262
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val rev_deriv' : 'a * rule * ('b * 'c) -> 'b * rule * ('a * 'c)
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wneuper@59281
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val compare_step : Generate.taci list * Ctree.pos' list * (Ctree.state) -> term -> string * Chead.calcstate'
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wneuper@59262
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val check_err_patt : term * term -> subst -> errpatID * term -> rls -> errpatID option
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wneuper@59262
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val concat_deriv : 'a * ((term * term) list -> term * term -> bool) ->
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wneuper@59262
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rls -> rule list -> term -> term -> bool * (term * rule * (term * term list)) list
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wneuper@59262
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val check_error_patterns :
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wneuper@59262
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term * term ->
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wneuper@59262
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term * (term * term) list -> (errpatID * term list * 'a list) list * rls -> errpatID option
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wneuper@59262
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val get_fillform :
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wneuper@59262
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'a * (term * term) list -> 'b * term -> errpatID -> fillpat -> (fillpatID * term * 'b * 'a) option
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wneuper@59262
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val get_fillpats :
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wneuper@59262
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'a * (term * term) list -> term -> errpatID -> thm -> (fillpatID * term * thm * 'a) list
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wneuper@59299
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( *\--- ! aktivate for Test_Isac END ----------------------------------------------------------/*)
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wneuper@59310
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wneuper@59310
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(*----- unused code, kept as hints to design ideas ---------------------------------------------*)
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wneuper@59310
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(* NONE *)
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wneuper@59262
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end
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neuper@37906
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wneuper@59262
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(**)
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wneuper@59262
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structure Inform(**): INPUT_FORMULAS(**) =
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wneuper@59262
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struct
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wneuper@59262
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(**)
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neuper@37906
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wneuper@59262
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(*** handle an input calc-head ***)
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neuper@37906
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neuper@37906
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datatype iitem =
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neuper@37906
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Given of cterm' list
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neuper@37906
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(*Where is never input*)
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neuper@37906
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| Find of cterm' list
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wneuper@59262
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| Relate of cterm' list
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neuper@37906
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wneuper@59262
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type imodel = iitem list
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neuper@37906
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neuper@37906
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(*calc-head as input*)
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neuper@37906
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type icalhd =
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wneuper@59276
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Ctree.pos' * (*the position of the calc-head in the calc-tree*)
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wneuper@59262
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cterm' * (*the headline*)
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wneuper@59262
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imodel * (*the model (without Find) of the calc-head*)
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wneuper@59276
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Ctree.pos_ * (*model belongs to Pbl or Met*)
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wneuper@59262
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spec; (*specification: domID, pblID, metID*)
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wneuper@59276
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val e_icalhd = (Ctree.e_pos', "", [Given [""]], Ctree.Pbl, e_spec) : icalhd
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neuper@37906
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wneuper@59298
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fun is_casinput (hdf : cterm') ((fmz_, spec) : Selem.fmz) =
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wneuper@59262
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hdf <> "" andalso fmz_ = [] andalso spec = e_spec
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neuper@37906
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neuper@37906
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(*.handle an input as into an algebra system.*)
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neuper@37906
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fun dtss2itm_ ppc (d, ts) =
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wneuper@59264
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let
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wneuper@59264
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val (f, (d, id)) = the (find_first ((curry op= d) o
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wneuper@59264
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(#1: (term * term) -> term) o
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wneuper@59264
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(#2: pbt_ -> (term * term))) ppc)
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wneuper@59264
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in
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wneuper@59308
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([1], true, f, Stool.Cor ((d, ts), (id, ts)))
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wneuper@59264
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end
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neuper@37906
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wneuper@59262
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fun flattup2 (a, (b ,c, d, e)) = (a, b, c, d, e)
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neuper@37906
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wneuper@59262
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fun cas_input_ ((dI, pI, mI): spec) dtss = (*WN110515 reconsider thy..ctxt*)
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neuper@41995
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let
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neuper@41995
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val thy = assoc_thy dI
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wneuper@59269
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val {ppc, ...} = Specify.get_pbt pI
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neuper@41995
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val its_ = map (dtss2itm_ ppc) dtss (*([1],true,"#Given",Cor (...))*)
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wneuper@59269
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val its = Specify.add_id its_
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neuper@41995
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val pits = map flattup2 its
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neuper@41995
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val (pI, mI) =
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neuper@41995
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if mI <> ["no_met"]
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neuper@41995
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then (pI, mI)
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neuper@41995
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else
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wneuper@59269
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case Specify.refine_pbl thy pI pits of
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wneuper@59269
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SOME (pI,_) => (pI, (hd o #met o Specify.get_pbt) pI)
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wneuper@59269
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| NONE => (pI, (hd o #met o Specify.get_pbt) pI)
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wneuper@59269
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val {ppc, pre, prls, ...} = Specify.get_met mI
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neuper@41995
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val its_ = map (dtss2itm_ ppc) dtss (*([1],true,"#Given",Cor (...))*)
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wneuper@59269
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val its = Specify.add_id its_
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neuper@41995
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val mits = map flattup2 its
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wneuper@59308
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val pre = Stool.check_preconds thy prls pre mits
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wneuper@59301
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val ctxt = Selem.e_ctxt (*WN110515 cas_input_ DOESNT WORK*)
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wneuper@59308
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in (pI, pits, mI, mits, pre, ctxt) end;
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neuper@37906
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neuper@37906
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wneuper@59279
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(* check if the input term is a CAScmd and return a ctree with a _complete_ calchead *)
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neuper@37906
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fun cas_input hdt =
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wneuper@59262
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let
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wneuper@59262
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val (h, argl) = strip_comb hdt
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neuper@41995
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in
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s1210629013@55443
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case assoc_cas (assoc_thy "Isac") h of
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wneuper@59262
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NONE => NONE
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wneuper@59262
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| SOME (spec as (dI,_,_), argl2dtss) =>
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neuper@41995
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let
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neuper@41995
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val dtss = argl2dtss argl
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neuper@41995
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val (pI, pits, mI, mits, pre, ctxt) = cas_input_ spec dtss
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neuper@41995
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val spec = (dI, pI, mI)
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neuper@41995
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val (pt,_) =
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wneuper@59301
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Ctree.cappend_problem Ctree.e_ctree [] (Selem.e_istate, Selem.e_ctxt) ([], e_spec) ([], e_spec, hdt)
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wneuper@59276
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val pt = Ctree.update_spec pt [] spec
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wneuper@59276
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val pt = Ctree.update_pbl pt [] pits
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wneuper@59276
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val pt = Ctree.update_met pt [] mits
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wneuper@59276
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val pt = Ctree.update_ctxt pt [] ctxt
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wneuper@59262
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in
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wneuper@59276
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SOME (pt, (true, Ctree.Met, hdt, mits, pre, spec) : Ctree.ocalhd)
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wneuper@59262
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end
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wneuper@59262
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end
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neuper@37906
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neuper@40836
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(*lazy evaluation for (Thy_Info.get_theory "Isac")*)
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neuper@38050
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fun Isac _ = assoc_thy "Isac";
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neuper@37906
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wneuper@59262
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(* re-parse itms with a new thy and prepare for checking with ori list *)
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wneuper@59308
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fun parsitm dI (itm as (i, v, _, f, Stool.Cor ((d, ts), _))) =
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wneuper@59308
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(let val t = Stool.comp_dts (d, ts)
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wneuper@59262
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val _ = (term_to_string''' dI t)
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wneuper@59262
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(*t his ^^^^^^^^^^^^ should raise the exn on unability of re-parsing dts *)
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neuper@52070
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in itm end
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wneuper@59308
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handle _ => (i, v, false, f, Stool.Syn (term2str t)))
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wneuper@59308
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| parsitm dI (i, v, b, f, Stool.Syn str) =
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wneuper@59262
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(let val _ = (Thm.term_of o the o (parse dI)) str
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wneuper@59308
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in (i, v, b ,f, Stool.Par str) end
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wneuper@59308
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handle _ => (i, v, b, f, Stool.Syn str))
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wneuper@59308
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| parsitm dI (i, v, b, f, Stool.Typ str) =
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wneuper@59262
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(let val _ = (Thm.term_of o the o (parse dI)) str
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wneuper@59308
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in (i, v, b, f, Stool.Par str) end
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wneuper@59308
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handle _ => (i, v, b, f, Stool.Syn str))
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wneuper@59308
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| parsitm dI (itm as (i, v, _, f, Stool.Inc ((d, ts), _))) =
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wneuper@59308
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(let val t = Stool.comp_dts (d,ts);
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wneuper@59262
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val _ = term_to_string''' dI t;
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neuper@37906
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(*this ^ should raise the exn on unability of re-parsing dts*)
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neuper@52070
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in itm end
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wneuper@59308
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handle _ => (i, v, false, f, Stool.Syn (term2str t)))
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wneuper@59308
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| parsitm dI (itm as (i, v, _, f, Stool.Sup (d, ts))) =
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wneuper@59308
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(let val t = Stool.comp_dts (d,ts);
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wneuper@59262
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val _ = term_to_string''' dI t;
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neuper@37906
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(*this ^ should raise the exn on unability of re-parsing dts*)
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neuper@52070
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in itm end
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wneuper@59308
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handle _ => (i, v, false, f, Stool.Syn (term2str t)))
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wneuper@59308
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| parsitm dI (itm as (i, v, _, f, Stool.Mis (d, t'))) =
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neuper@37906
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(let val t = d $ t';
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wneuper@59262
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val _ = term_to_string''' dI t;
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neuper@37906
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(*this ^ should raise the exn on unability of re-parsing dts*)
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neuper@52070
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in itm end
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wneuper@59308
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handle _ => (i, v, false, f, Stool.Syn (term2str t)))
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wneuper@59308
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| parsitm dI (itm as (_, _, _, _, Stool.Par _)) =
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wneuper@59308
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error ("parsitm (" ^ Stool.itm2str_ (thy2ctxt dI) itm ^ "): Par should be internal");
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neuper@37906
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neuper@37906
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(*separate a list to a pair of elements that do NOT satisfy the predicate,
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neuper@37906
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and of elements that satisfy the predicate, i.e. (false, true)*)
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neuper@37906
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fun filter_sep pred xs =
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wneuper@59262
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let
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wneuper@59262
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fun filt ab [] = ab
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wneuper@59262
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| filt (a, b) (x :: xs) =
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wneuper@59262
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if pred x
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wneuper@59262
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then filt (a, b @ [x]) xs
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wneuper@59262
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else filt (a @ [x], b) xs
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wneuper@59262
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in filt ([], []) xs end;
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wneuper@59308
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fun is_Par (_, _, _, _, Stool.Par _) = true
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neuper@37906
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| is_Par _ = false;
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neuper@37906
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neuper@37906
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fun is_e_ts [] = true
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neuper@37906
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| is_e_ts [Const ("List.list.Nil", _)] = true
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neuper@37906
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| is_e_ts _ = false;
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neuper@37906
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wneuper@59262
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(* WN.9.11.03 copied from fun appl_add *)
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neuper@37906
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fun appl_add' dI oris ppc pbt (sel, ct) =
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wneuper@59262
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let
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wneuper@59262
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val ctxt = assoc_thy dI |> thy2ctxt;
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wneuper@59262
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in
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wneuper@59262
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case parseNEW ctxt ct of
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wneuper@59308
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NONE => (0, [], false, sel, Stool.Syn ct)
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wneuper@59262
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| SOME t =>
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wneuper@59265
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(case Chead.is_known ctxt sel oris t of
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wneuper@59262
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("", ori', all) =>
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wneuper@59265
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(case Chead.is_notyet_input ctxt ppc all ori' pbt of
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wneuper@59262
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("",itm) => itm
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wneuper@59262
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| (msg,_) => error ("appl_add': " ^ msg))
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wneuper@59262
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| (_, (i, v, _, d, ts), _) =>
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wneuper@59262
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if is_e_ts ts
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wneuper@59308
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then (i, v, false, sel, Stool.Inc ((d, ts), (e_term, [])))
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wneuper@59308
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else (i, v, false, sel, Stool.Sup (d, ts)))
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wneuper@59262
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end
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neuper@37906
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wneuper@59262
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(* generate preliminary itm_ from a strin (with field "#Given" etc.) *)
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wneuper@59262
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fun eq7 (f, d) (f', (d', _)) = f = f' andalso d = d';
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neuper@37906
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fun fstr2itm_ thy pbt (f, str) =
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wneuper@59262
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let
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wneuper@59262
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val topt = parse thy str
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wneuper@59262
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in
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wneuper@59262
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case topt of
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wneuper@59308
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NONE => ([], false, f, Stool.Syn str)
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wneuper@59262
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| SOME ct =>
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wneuper@59262
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let
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wneuper@59308
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val (d, ts) = (Stool.split_dts o Thm.term_of) ct
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wneuper@59262
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val popt = find_first (eq7 (f, d)) pbt
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wneuper@59262
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in
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wneuper@59262
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case popt of
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wneuper@59308
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NONE => ([1](*??*), true(*??*), f, Stool.Sup (d, ts))
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wneuper@59308
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| SOME (f, (d, id)) => ([1], true, f, Stool.Cor ((d, ts), (id, ts)))
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wneuper@59262
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end
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wneuper@59262
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end
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neuper@37906
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neuper@37906
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(*.input into empty PblObj, i.e. empty fmz+origin (unknown example).*)
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neuper@37906
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fun unknown_expl dI pbt selcts =
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neuper@37906
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let
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neuper@37906
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val thy = assoc_thy dI
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neuper@37906
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val its_ = map (fstr2itm_ thy pbt) selcts (*([1],true,"#Given",Cor (...))*)
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wneuper@59269
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val its = Specify.add_id its_
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wneuper@59308
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in map flattup2 its end
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neuper@37906
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wneuper@59262
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227 |
(* WN.11.03 for input_icalhd, ~ specify_additem for Add_Given/_Find/_Relation
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wneuper@59262
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appl_add': generate 1 item
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wneuper@59262
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appl_add' . is_known: parse, get data from oris (vats, all (elems if list)..)
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wneuper@59262
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appl_add' . is_notyet_input: compare with items in model already input
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wneuper@59262
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insert_ppc': insert this 1 item*)
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wneuper@59262
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fun appl_adds dI [] _ pbt selcts = unknown_expl dI pbt selcts
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wneuper@59262
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233 |
(*already present itms in model are being overwritten*)
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wneuper@59262
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| appl_adds _ _ ppc _ [] = ppc
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wneuper@59262
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| appl_adds dI oris ppc pbt (selct :: ss) =
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wneuper@59262
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let val itm = appl_add' dI oris ppc pbt selct;
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wneuper@59265
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in appl_adds dI oris (Chead.insert_ppc' itm ppc) pbt ss end
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neuper@37906
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wneuper@59308
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239 |
fun oris2itms _ _ [] = [] (* WN161130: similar in ptyps ?!? *)
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wneuper@59308
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| oris2itms pbt vat ((i, v, f, d, ts) :: os) =
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neuper@37930
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if member op = vat v
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wneuper@59308
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then (i, v, true, f, Stool.Cor ((d, ts), (e_term, []))) :: (oris2itms pbt vat os)
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wneuper@59262
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else oris2itms pbt vat os
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neuper@37906
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wneuper@59308
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245 |
fun par2fstr (_, _, _, f, Stool.Par s) = (f, s)
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wneuper@59308
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246 |
| par2fstr itm = error ("par2fstr: called with " ^ Stool.itm2str_ (thy2ctxt' "Isac") itm)
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wneuper@59308
|
247 |
fun itms2fstr (_, _, _, f, Stool.Cor ((d, ts), _)) = (f, Stool.comp_dts'' (d, ts))
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wneuper@59308
|
248 |
| itms2fstr (_, _, _, f, Stool.Syn str) = (f, str)
|
wneuper@59308
|
249 |
| itms2fstr (_, _, _, f, Stool.Typ str) = (f, str)
|
wneuper@59308
|
250 |
| itms2fstr (_, _, _, f, Stool.Inc ((d, ts), _)) = (f, Stool.comp_dts'' (d,ts))
|
wneuper@59308
|
251 |
| itms2fstr (_, _, _, f, Stool.Sup (d, ts)) = (f, Stool.comp_dts'' (d, ts))
|
wneuper@59308
|
252 |
| itms2fstr (_, _, _, f, Stool.Mis (d, t)) = (f, term2str (d $ t))
|
wneuper@59308
|
253 |
| itms2fstr (itm as (_, _, _, _, Stool.Par _)) =
|
wneuper@59308
|
254 |
error ("parsitm (" ^ Stool.itm2str_ (thy2ctxt' "Isac") itm ^ "): Par should be internal");
|
neuper@37906
|
255 |
|
neuper@37906
|
256 |
fun imodel2fstr iitems =
|
neuper@41976
|
257 |
let
|
neuper@41976
|
258 |
fun xxx is [] = is
|
neuper@41976
|
259 |
| xxx is ((Given strs)::iis) = xxx (is @ (map (pair "#Given") strs)) iis
|
neuper@41976
|
260 |
| xxx is ((Find strs)::iis) = xxx (is @ (map (pair "#Find") strs)) iis
|
neuper@41976
|
261 |
| xxx is ((Relate strs)::iis) = xxx (is @ (map (pair "#Relate") strs)) iis
|
neuper@41976
|
262 |
in xxx [] iitems end;
|
neuper@37906
|
263 |
|
neuper@41976
|
264 |
(* input a calchead, WN110505 "prep_oris -> (_, ctxt)" not handled properly *)
|
wneuper@59264
|
265 |
fun input_icalhd pt (((p, _), hdf, imodel, Pbl, spec as (dI, pI, mI)) : icalhd) =
|
wneuper@59264
|
266 |
let
|
wneuper@59276
|
267 |
val (fmz, fmz_, oris, ospec, hdf', sspec, sdI, spI, smI, probl, meth) = case Ctree.get_obj I pt p of
|
wneuper@59276
|
268 |
Ctree.PblObj {fmz = fmz as (fmz_,_), origin = (oris, ospec, hdf'),
|
wneuper@59264
|
269 |
spec = sspec as (sdI, spI, smI), probl, meth, ...}
|
wneuper@59264
|
270 |
=> (fmz, fmz_, oris, ospec, hdf', sspec, sdI, spI, smI, probl, meth)
|
wneuper@59264
|
271 |
| _ => error "input_icalhd: uncovered case of get_obj I pt p"
|
neuper@37906
|
272 |
in if is_casinput hdf fmz then the (cas_input (str2term hdf))
|
neuper@37906
|
273 |
else (*hacked WN0602 ~~~ ~~~~~~~~~, ..dropped !*)
|
neuper@41976
|
274 |
let val (pos_, pits, mits) =
|
neuper@41976
|
275 |
if dI <> sdI
|
neuper@41976
|
276 |
then let val its = map (parsitm (assoc_thy dI)) probl;
|
neuper@41976
|
277 |
val (its, trms) = filter_sep is_Par its;
|
wneuper@59269
|
278 |
val pbt = (#ppc o Specify.get_pbt) (#2 (Chead.some_spec ospec sspec))
|
neuper@41976
|
279 |
in (Pbl, appl_adds dI oris its pbt (map par2fstr trms), meth) end
|
wneuper@59264
|
280 |
else
|
wneuper@59264
|
281 |
if pI <> spI
|
wneuper@59264
|
282 |
then if pI = snd3 ospec then (Pbl, probl, meth)
|
wneuper@59264
|
283 |
else
|
wneuper@59269
|
284 |
let val pbt = (#ppc o Specify.get_pbt) pI
|
wneuper@59265
|
285 |
val dI' = #1 (Chead.some_spec ospec spec)
|
wneuper@59264
|
286 |
val oris = if pI = #2 ospec then oris
|
wneuper@59269
|
287 |
else Specify.prep_ori fmz_(assoc_thy"Isac") pbt |> #1;
|
wneuper@59264
|
288 |
in (Pbl, appl_adds dI' oris probl pbt
|
wneuper@59264
|
289 |
(map itms2fstr probl), meth) end
|
wneuper@59264
|
290 |
else if mI <> smI (*FIXME.WN0311: what if probl is incomplete?!*)
|
wneuper@59269
|
291 |
then let val met = (#ppc o Specify.get_met) mI
|
wneuper@59265
|
292 |
val mits = Chead.complete_metitms oris probl meth met
|
wneuper@59264
|
293 |
in if foldl and_ (true, map #3 mits)
|
wneuper@59276
|
294 |
then (Pbl, probl, mits) else (Ctree.Met, probl, mits)
|
wneuper@59264
|
295 |
end
|
wneuper@59265
|
296 |
else (Pbl, appl_adds (#1 (Chead.some_spec ospec spec)) oris [(*!!!*)]
|
wneuper@59269
|
297 |
((#ppc o Specify.get_pbt) (#2 (Chead.some_spec ospec spec)))
|
wneuper@59264
|
298 |
(imodel2fstr imodel), meth)
|
wneuper@59276
|
299 |
val pt = Ctree.update_spec pt p spec;
|
neuper@41976
|
300 |
in if pos_ = Pbl
|
wneuper@59269
|
301 |
then let val {prls,where_,...} = Specify.get_pbt (#2 (Chead.some_spec ospec spec))
|
wneuper@59308
|
302 |
val pre = Stool.check_preconds (assoc_thy"Isac") prls where_ pits
|
wneuper@59276
|
303 |
in (Ctree.update_pbl pt p pits,
|
wneuper@59276
|
304 |
(Chead.ocalhd_complete pits pre spec, Pbl, hdf', pits, pre, spec): Ctree.ocalhd)
|
neuper@41976
|
305 |
end
|
wneuper@59269
|
306 |
else let val {prls,pre,...} = Specify.get_met (#3 (Chead.some_spec ospec spec))
|
wneuper@59308
|
307 |
val pre = Stool.check_preconds (assoc_thy"Isac") prls pre mits
|
wneuper@59276
|
308 |
in (Ctree.update_met pt p mits,
|
wneuper@59276
|
309 |
(Chead.ocalhd_complete mits pre spec, Ctree.Met, hdf', mits, pre, spec) : Ctree.ocalhd)
|
neuper@41976
|
310 |
end
|
neuper@41976
|
311 |
end
|
neuper@41976
|
312 |
end
|
wneuper@59264
|
313 |
| input_icalhd _ (_, _, _, _(*Met*), _) = error "input_icalhd Met not impl."
|
neuper@37906
|
314 |
|
neuper@37906
|
315 |
|
neuper@37906
|
316 |
(***. handle an input formula .***)
|
neuper@37906
|
317 |
|
wneuper@59264
|
318 |
fun equal a b = a = b
|
neuper@37906
|
319 |
|
neuper@37906
|
320 |
(*the lists contain eq-al elem-pairs at the beginning;
|
neuper@37906
|
321 |
return first list reverted (again) - ie. in order as required subsequently*)
|
neuper@37906
|
322 |
fun dropwhile' equal (f1::f2::fs) (i1::i2::is) =
|
wneuper@59264
|
323 |
if equal f1 i1
|
wneuper@59264
|
324 |
then
|
wneuper@59264
|
325 |
if equal f2 i2 then dropwhile' equal (f2 :: fs) (i2 :: is)
|
wneuper@59264
|
326 |
else (rev (f1 :: f2 :: fs), i1 :: i2 :: is)
|
neuper@38031
|
327 |
else error "dropwhile': did not start with equal elements"
|
neuper@37906
|
328 |
| dropwhile' equal (f::fs) [i] =
|
wneuper@59264
|
329 |
if equal f i
|
wneuper@59264
|
330 |
then (rev (f::fs), [i])
|
neuper@38031
|
331 |
else error "dropwhile': did not start with equal elements"
|
neuper@37906
|
332 |
| dropwhile' equal [f] (i::is) =
|
wneuper@59264
|
333 |
if equal f i
|
wneuper@59264
|
334 |
then ([f], i::is)
|
wneuper@59264
|
335 |
else error "dropwhile': did not start with equal elements"
|
wneuper@59264
|
336 |
| dropwhile' _ _ _ = error "dropwhile': uncovered case"
|
neuper@37906
|
337 |
|
wneuper@59264
|
338 |
(* 040214: version for concat_deriv *)
|
wneuper@59263
|
339 |
fun rev_deriv' (t, r, (t', a)) = (t', Rtools.sym_rule r, (t, a));
|
neuper@37906
|
340 |
|
wneuper@59250
|
341 |
fun mk_tacis ro erls (t, r as Thm (id, thm), (t', a)) =
|
wneuper@59302
|
342 |
(Tac.Rewrite (id, thm),
|
wneuper@59302
|
343 |
Tac.Rewrite' ("Isac", fst ro, erls, false, Lucin.rule2thm'' r, t, (t', a)),
|
wneuper@59301
|
344 |
(Ctree.e_pos'(*to be updated before generate tacis!!!*), (Selem.Uistate, Selem.e_ctxt)))
|
wneuper@59253
|
345 |
| mk_tacis _ _ (t, r as Rls_ rls, (t', a)) =
|
wneuper@59302
|
346 |
(Tac.Rewrite_Set (Lucin.rule2rls' r),
|
wneuper@59302
|
347 |
Tac.Rewrite_Set' ("Isac", false, rls, t, (t', a)),
|
wneuper@59301
|
348 |
(Ctree.e_pos'(*to be updated before generate tacis!!!*), (Selem.Uistate, Selem.e_ctxt)))
|
wneuper@59264
|
349 |
| mk_tacis _ _ (t, r, _) = error ("mk_tacis: not impl. for " ^ rule2str r ^ " at " ^ term2str t)
|
neuper@37906
|
350 |
|
wneuper@59264
|
351 |
(* fo = ifo excluded already in inform *)
|
neuper@37906
|
352 |
fun concat_deriv rew_ord erls rules fo ifo =
|
neuper@55487
|
353 |
let
|
neuper@55487
|
354 |
fun derivat ([]:(term * rule * (term * term list)) list) = e_term
|
neuper@55487
|
355 |
| derivat dt = (#1 o #3 o last_elem) dt
|
neuper@55487
|
356 |
fun equal (_,_,(t1, _)) (_,_,(t2, _)) = t1=t2
|
wneuper@59263
|
357 |
val fod = Rtools.make_deriv (Isac"") erls rules (snd rew_ord) NONE fo
|
wneuper@59263
|
358 |
val ifod = Rtools.make_deriv (Isac"") erls rules (snd rew_ord) NONE ifo
|
neuper@55487
|
359 |
in
|
neuper@55487
|
360 |
case (fod, ifod) of
|
neuper@55487
|
361 |
([], []) => if fo = ifo then (true, []) else (false, [])
|
neuper@55487
|
362 |
| (fod, []) => if derivat fod = ifo then (true, fod) (*ifo is normal form*) else (false, [])
|
neuper@55487
|
363 |
| ([], ifod) => if fo = derivat ifod then (true, ((map rev_deriv') o rev) ifod) else (false, [])
|
neuper@55487
|
364 |
| (fod, ifod) =>
|
neuper@55487
|
365 |
if derivat fod = derivat ifod (*common normal form found*)
|
neuper@55487
|
366 |
then
|
neuper@55487
|
367 |
let
|
neuper@55487
|
368 |
val (fod', rifod') = dropwhile' equal (rev fod) (rev ifod)
|
neuper@55487
|
369 |
in (true, fod' @ (map rev_deriv' rifod')) end
|
neuper@55487
|
370 |
else (false, [])
|
wneuper@59264
|
371 |
end
|
neuper@37906
|
372 |
|
neuper@41995
|
373 |
(* compare inform with ctree.form at current pos by nrls;
|
neuper@37906
|
374 |
if found, embed the derivation generated during comparison
|
neuper@41995
|
375 |
if not, let the mat-engine compute the next ctree.form *)
|
wneuper@59280
|
376 |
(* code's structure is copied from complete_solve
|
wneuper@59264
|
377 |
CAUTION: tacis in returned calcstate' do NOT construct resulting ptp --
|
wneuper@59264
|
378 |
all_modspec etc. has to be inserted at Subproblem'*)
|
wneuper@59265
|
379 |
fun compare_step ((tacis, c, ptp as (pt, pos as (p,p_))): Chead.calcstate') ifo =
|
neuper@41995
|
380 |
let
|
neuper@41995
|
381 |
val fo =
|
neuper@41995
|
382 |
case p_ of
|
wneuper@59276
|
383 |
Frm => Ctree.get_obj Ctree.g_form pt p
|
wneuper@59276
|
384 |
| Res => (fst o (Ctree.get_obj Ctree.g_result pt)) p
|
neuper@41995
|
385 |
| _ => e_term (*on PblObj is fo <> ifo*);
|
wneuper@59276
|
386 |
val {nrls, ...} = Specify.get_met (Ctree.get_obj Ctree.g_metID pt (Ctree.par_pblobj pt p))
|
neuper@41995
|
387 |
val {rew_ord, erls, rules, ...} = rep_rls nrls
|
neuper@42423
|
388 |
val (found, der) = concat_deriv rew_ord erls rules fo ifo; (*<---------------*)
|
neuper@41995
|
389 |
in
|
neuper@41995
|
390 |
if found
|
neuper@41995
|
391 |
then
|
neuper@41995
|
392 |
let
|
neuper@41995
|
393 |
val tacis' = map (mk_tacis rew_ord erls) der;
|
wneuper@59271
|
394 |
val (c', ptp) = Generate.embed_deriv tacis' ptp;
|
neuper@41995
|
395 |
in ("ok", (tacis (*@ tacis'?WN050408*), c @ c', ptp)) end
|
neuper@41995
|
396 |
else
|
wneuper@59276
|
397 |
if pos = ([], Ctree.Res) (*TODO: we should stop earlier with trying subproblems *)
|
wneuper@59265
|
398 |
then ("no derivation found", (tacis, c, ptp): Chead.calcstate')
|
neuper@41995
|
399 |
else
|
neuper@41995
|
400 |
let
|
wneuper@59273
|
401 |
val cs' as (tacis, c', ptp) = Solve.nxt_solve_ ptp; (*<---------------------*)
|
wneuper@59264
|
402 |
val (tacis, c'', ptp) = case tacis of
|
wneuper@59302
|
403 |
((Tac.Subproblem _, _, _)::_) =>
|
wneuper@59264
|
404 |
let
|
wneuper@59265
|
405 |
val ptp as (pt, (p,_)) = Chead.all_modspec ptp (*<--------------------*)
|
wneuper@59276
|
406 |
val mI = Ctree.get_obj Ctree.g_metID pt p
|
wneuper@59264
|
407 |
in
|
wneuper@59302
|
408 |
Solve.nxt_solv (Tac.Apply_Method' (mI, NONE, Selem.e_istate, Selem.e_ctxt)) (Selem.e_istate, Selem.e_ctxt) ptp
|
wneuper@59264
|
409 |
end
|
wneuper@59264
|
410 |
| _ => cs';
|
neuper@41995
|
411 |
in compare_step (tacis, c @ c' @ c'', ptp) ifo end
|
wneuper@59265
|
412 |
end
|
neuper@37906
|
413 |
|
neuper@42428
|
414 |
(* check if (agreed result, input formula) matches the error pattern "pat" modulo simplifier rls *)
|
neuper@42426
|
415 |
fun check_err_patt (res, inf) (subst: subst) (errpatID: errpatID, pat) rls =
|
neuper@42423
|
416 |
let
|
neuper@42423
|
417 |
val (res', _, _, rewritten) =
|
neuper@42426
|
418 |
rew_sub (Isac()) 1 subst e_rew_ord e_rls false [] (Trueprop $ pat) res;
|
neuper@42423
|
419 |
in
|
neuper@42423
|
420 |
if rewritten
|
neuper@42423
|
421 |
then
|
neuper@42423
|
422 |
let
|
neuper@42426
|
423 |
val norm_res = case rewrite_set_inst_ (Isac()) false subst rls res' of
|
neuper@42423
|
424 |
NONE => res'
|
neuper@42423
|
425 |
| SOME (norm_res, _) => norm_res
|
neuper@42426
|
426 |
val norm_inf = case rewrite_set_inst_ (Isac()) false subst rls inf of
|
neuper@42423
|
427 |
NONE => inf
|
neuper@42423
|
428 |
| SOME (norm_inf, _) => norm_inf
|
neuper@42423
|
429 |
in if norm_res = norm_inf then SOME errpatID else NONE
|
neuper@42423
|
430 |
end
|
neuper@42423
|
431 |
else NONE
|
neuper@42423
|
432 |
end;
|
neuper@42423
|
433 |
|
neuper@42428
|
434 |
(* check if (agreed result, input formula) matches SOME error pattern modulo simplifier rls;
|
neuper@42428
|
435 |
(prog, env) for retrieval of casual substitution for bdv in the pattern. *)
|
neuper@42428
|
436 |
fun check_error_patterns (res, inf) (prog, env) (errpats, rls) =
|
neuper@42428
|
437 |
let
|
wneuper@59263
|
438 |
val (_, subst) = Rtools.get_bdv_subst prog env
|
neuper@42428
|
439 |
fun scan (_, [], _) = NONE
|
neuper@42428
|
440 |
| scan (errpatID, errpat :: errpats, _) =
|
neuper@42428
|
441 |
case check_err_patt (res, inf) (subst: subst) (errpatID, errpat) rls of
|
neuper@42428
|
442 |
NONE => scan (errpatID, errpats, [])
|
neuper@42428
|
443 |
| SOME errpatID => SOME errpatID
|
neuper@42428
|
444 |
fun scans [] = NONE
|
neuper@42428
|
445 |
| scans (group :: groups) =
|
neuper@42428
|
446 |
case scan group of
|
neuper@42428
|
447 |
NONE => scans groups
|
neuper@42428
|
448 |
| SOME errpatID => SOME errpatID
|
neuper@42428
|
449 |
in scans errpats end;
|
neuper@42428
|
450 |
|
neuper@37906
|
451 |
(*.handle a user-input formula, which may be a CAS-command, too.
|
neuper@37906
|
452 |
CAS-command:
|
neuper@37906
|
453 |
create a calchead, and do 1 step
|
neuper@37906
|
454 |
TOOODO.WN0602 works only for the root-problem !!!
|
neuper@37906
|
455 |
formula, which is no CAS-command:
|
neuper@37906
|
456 |
compare iform with calc-tree.form at pos by equ_nrls and all subsequent pos;
|
neuper@42423
|
457 |
collect all the tacs applied by the way;
|
neuper@42426
|
458 |
if "no derivation found" then check_error_patterns.
|
neuper@42427
|
459 |
ALTERNATIVE: check_error_patterns _within_ compare_step seems too expensive.*)
|
wneuper@59265
|
460 |
fun inform (cs as (_, _, (pt, pos as (p, _))): Chead.calcstate') istr =
|
neuper@42423
|
461 |
case parse (assoc_thy "Isac") istr of
|
neuper@42427
|
462 |
SOME f_in =>
|
neuper@42423
|
463 |
let
|
wneuper@59186
|
464 |
val f_in = Thm.term_of f_in
|
wneuper@59276
|
465 |
val f_succ = Ctree.get_curr_formula (pt, pos);
|
neuper@42423
|
466 |
in
|
neuper@42427
|
467 |
if f_succ = f_in
|
neuper@42423
|
468 |
then ("same-formula", cs) (* ctree not cut with replaceFormula *)
|
neuper@42423
|
469 |
else
|
neuper@42427
|
470 |
case cas_input f_in of
|
wneuper@59276
|
471 |
SOME (pt, _) => ("ok",([], [], (pt, (p, Ctree.Met))))
|
neuper@42423
|
472 |
| NONE =>
|
neuper@42428
|
473 |
let
|
wneuper@59276
|
474 |
val pos_pred = Ctree.lev_back' pos (*f_pred ---"step pos cs"---> f_succ in appendFormula*)
|
wneuper@59276
|
475 |
val f_pred = Ctree.get_curr_formula (pt, pos_pred)
|
neuper@42430
|
476 |
val msg_calcstate' = compare_step ([], [], (pt, pos_pred)) f_in (*<<=====*)
|
neuper@42426
|
477 |
(*last step re-calc in compare_step TODO before WN09*)
|
neuper@42423
|
478 |
in
|
neuper@42423
|
479 |
case msg_calcstate' of
|
neuper@42426
|
480 |
("no derivation found", calcstate') =>
|
neuper@42426
|
481 |
let
|
wneuper@59276
|
482 |
val pp = Ctree.par_pblobj pt p
|
wneuper@59276
|
483 |
val (errpats, nrls, prog) = case Specify.get_met (Ctree.get_obj Ctree.g_metID pt pp) of
|
wneuper@59264
|
484 |
{errpats, nrls, scr = Prog prog, ...} => (errpats, nrls, prog)
|
wneuper@59264
|
485 |
| _ => error "inform: uncovered case of get_met"
|
wneuper@59276
|
486 |
val env = case Ctree.get_istate pt pos of
|
wneuper@59300
|
487 |
Selem.ScrState (env, _, _, _, _, _) => env
|
wneuper@59264
|
488 |
| _ => error "inform: uncovered case of get_istate"
|
neuper@42426
|
489 |
in
|
neuper@42428
|
490 |
case check_error_patterns (f_pred, f_in) (prog, env) (errpats, nrls) of
|
neuper@42426
|
491 |
SOME errpatID => ("error pattern #" ^ errpatID ^ "#", calcstate')
|
neuper@42426
|
492 |
| NONE => msg_calcstate'
|
neuper@42426
|
493 |
end
|
neuper@42423
|
494 |
| _ => msg_calcstate'
|
neuper@42423
|
495 |
end
|
neuper@42423
|
496 |
end
|
wneuper@59265
|
497 |
| NONE => ("syntax error in '" ^ istr ^ "'", Chead.e_calcstate')
|
neuper@37906
|
498 |
|
neuper@42433
|
499 |
(* fill-in patterns an forms.
|
neuper@42433
|
500 |
returns thm required by "fun in_fillform *)
|
neuper@42433
|
501 |
fun get_fillform (subs_opt, subst) (thm, form) errpatID ((fillpatID, pat, erpaID): fillpat) =
|
neuper@42430
|
502 |
let
|
neuper@42430
|
503 |
val (form', _, _, rewritten) =
|
neuper@42430
|
504 |
rew_sub (Isac()) 1 subst e_rew_ord e_rls false [] (Trueprop $ pat) form;
|
neuper@42430
|
505 |
in (*the fillpat of the thm must be dedicated to errpatID*)
|
neuper@42430
|
506 |
if errpatID = erpaID andalso rewritten
|
wneuper@59264
|
507 |
then SOME (fillpatID, HOLogic.mk_eq (form, form'), thm, subs_opt)
|
wneuper@59264
|
508 |
else NONE
|
wneuper@59264
|
509 |
end
|
neuper@42430
|
510 |
|
neuper@42430
|
511 |
fun get_fillpats subst form errpatID thm =
|
wneuper@59264
|
512 |
let
|
wneuper@59264
|
513 |
val thmDeriv = Thm.get_name_hint thm
|
wneuper@59264
|
514 |
val (part, thyID) = Rtools.thy_containing_thm thmDeriv
|
wneuper@59264
|
515 |
val theID = [part, thyID, "Theorems", thmID_of_derivation_name thmDeriv]
|
wneuper@59269
|
516 |
val fillpats = case Specify.get_the theID of
|
wneuper@59264
|
517 |
Hthm {fillpats, ...} => fillpats
|
wneuper@59264
|
518 |
| _ => error "get_fillpats: uncovered case of get_the"
|
wneuper@59264
|
519 |
val some = map (get_fillform subst (thm, form) errpatID) fillpats
|
wneuper@59264
|
520 |
in some |> filter is_some |> map the end
|
neuper@42430
|
521 |
|
wneuper@59276
|
522 |
fun find_fillpatterns (pt, pos as (p, _): Ctree.pos') errpatID =
|
neuper@42430
|
523 |
let
|
wneuper@59276
|
524 |
val f_curr = Ctree.get_curr_formula (pt, pos);
|
wneuper@59276
|
525 |
val pp = Ctree.par_pblobj pt p
|
wneuper@59276
|
526 |
val (errpats, prog) = case Specify.get_met (Ctree.get_obj Ctree.g_metID pt pp) of
|
wneuper@59264
|
527 |
{errpats, scr = Prog prog, ...} => (errpats, prog)
|
wneuper@59264
|
528 |
| _ => error "find_fillpatterns: uncovered case of get_met"
|
wneuper@59276
|
529 |
val env = case Ctree.get_istate pt pos of
|
wneuper@59300
|
530 |
Selem.ScrState (env, _, _, _, _, _) => env
|
wneuper@59264
|
531 |
| _ => error "inform: uncovered case of get_istate"
|
wneuper@59263
|
532 |
val subst = Rtools.get_bdv_subst prog env
|
neuper@42430
|
533 |
val errpatthms = errpats
|
neuper@42430
|
534 |
|> filter ((curry op = errpatID) o (#1: errpat -> errpatID))
|
neuper@42430
|
535 |
|> map (#3: errpat -> thm list)
|
neuper@42430
|
536 |
|> flat
|
wneuper@59264
|
537 |
in map (get_fillpats subst f_curr errpatID) errpatthms |> flat end
|
neuper@37906
|
538 |
|
neuper@42437
|
539 |
(* check if an input formula is exactly equal the rewrite from a rule
|
neuper@42437
|
540 |
which is stored at the pos where the input is stored of "ok". *)
|
neuper@42437
|
541 |
fun is_exactly_equal (pt, pos as (p, _)) istr =
|
neuper@42437
|
542 |
case parseNEW (assoc_thy "Isac" |> thy2ctxt) istr of
|
wneuper@59302
|
543 |
NONE => ("syntax error in '" ^ istr ^ "'", Tac.Tac "")
|
neuper@42437
|
544 |
| SOME ifo =>
|
neuper@42437
|
545 |
let
|
wneuper@59276
|
546 |
val p' = Ctree.lev_on p;
|
wneuper@59276
|
547 |
val tac = Ctree.get_obj Ctree.g_tac pt p';
|
neuper@42437
|
548 |
in
|
wneuper@59272
|
549 |
case Applicable.applicable_in pos pt tac of
|
wneuper@59302
|
550 |
Chead.Notappl msg => (msg, Tac.Tac "")
|
wneuper@59265
|
551 |
| Chead.Appl rew =>
|
neuper@42437
|
552 |
let
|
neuper@42437
|
553 |
val res = case rew of
|
wneuper@59302
|
554 |
Tac.Rewrite_Inst' (_, _, _, _, _, _, _, (res, _)) => res
|
wneuper@59302
|
555 |
|Tac.Rewrite' (_, _, _, _, _, _, (res, _)) => res
|
wneuper@59302
|
556 |
| t => error ("is_exactly_equal: uncovered case for " ^ Tac.tac_2str t)
|
neuper@42437
|
557 |
in
|
neuper@42437
|
558 |
if not (ifo = res)
|
wneuper@59302
|
559 |
then ("input does not exactly fill the gaps", Tac.Tac "")
|
neuper@42437
|
560 |
else ("ok", tac)
|
neuper@42437
|
561 |
end
|
neuper@42437
|
562 |
end
|
neuper@42437
|
563 |
|
neuper@42458
|
564 |
(* fetch errpatIDs from an arbitrary tactic *)
|
neuper@42458
|
565 |
fun fetchErrorpatterns tac =
|
neuper@42458
|
566 |
let
|
neuper@42458
|
567 |
val rlsID =
|
neuper@42458
|
568 |
case tac of
|
wneuper@59302
|
569 |
Tac.Rewrite_Set rlsID => rlsID
|
wneuper@59302
|
570 |
|Tac.Rewrite_Set_Inst (_, rlsID) => rlsID
|
neuper@55415
|
571 |
| _ => "e_rls"
|
wneuper@59263
|
572 |
val (part, thyID) = Rtools.thy_containing_rls "Isac" rlsID;
|
wneuper@59269
|
573 |
val rls = case Specify.get_the [part, thyID, "Rulesets", rlsID] of
|
wneuper@59264
|
574 |
Hrls {thy_rls = (_, rls), ...} => rls
|
wneuper@59264
|
575 |
| _ => error "fetchErrorpatterns: uncovered case of get_the"
|
neuper@42458
|
576 |
in case rls of
|
wneuper@59264
|
577 |
Rls {errpatts, ...} => errpatts
|
wneuper@59264
|
578 |
| Seq {errpatts, ...} => errpatts
|
wneuper@59264
|
579 |
| Rrls {errpatts, ...} => errpatts
|
wneuper@59264
|
580 |
| Erls => []
|
neuper@42458
|
581 |
end
|
wneuper@59264
|
582 |
|
wneuper@59262
|
583 |
(**)
|
neuper@37906
|
584 |
end
|
wneuper@59262
|
585 |
(**) |