src/Tools/isac/ME/inform.sml
branchisac-update-Isa09-2
changeset 37947 22235e4dbe5f
parent 37946 a28b5fc129b7
child 37948 ed85f172569c
     1.1 --- a/src/Tools/isac/ME/inform.sml	Wed Aug 25 15:15:01 2010 +0200
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,734 +0,0 @@
     1.4 -(* Handle user-input during the specify- and the solve-phase. 
     1.5 -   author: Walther Neuper
     1.6 -   0603
     1.7 -   (c) due to copyright terms
     1.8 -
     1.9 -use"ME/inform.sml";
    1.10 -use"inform.sml";
    1.11 -*)
    1.12 -
    1.13 -signature INFORM =
    1.14 -  sig 
    1.15 -
    1.16 -    type castab
    1.17 -    type icalhd
    1.18 -
    1.19 -   (* type iitem *)
    1.20 -    datatype
    1.21 -      iitem =
    1.22 -          Find of cterm' list
    1.23 -        | Given of cterm' list
    1.24 -        | Relate of cterm' list
    1.25 -    type imodel
    1.26 -    val imodel2fstr : iitem list -> (string * cterm') list
    1.27 -
    1.28 -    
    1.29 -    val Isac : 'a -> theory
    1.30 -    val appl_add' :
    1.31 -       theory' ->
    1.32 -       SpecifyTools.ori list ->
    1.33 -       SpecifyTools.itm list ->
    1.34 -       ('a * (Term.term * Term.term)) list ->
    1.35 -       string * cterm' -> SpecifyTools.itm
    1.36 -  (*  val appl_adds :
    1.37 -       theory' ->
    1.38 -       SpecifyTools.ori list ->
    1.39 -       SpecifyTools.itm list ->
    1.40 -       (string * (Term.term * Term.term)) list ->
    1.41 -       (string * string) list -> SpecifyTools.itm list *)
    1.42 -   (* val cas_input : string -> ptree * ocalhd *)
    1.43 -   (* val cas_input_ :
    1.44 -       spec ->
    1.45 -       (Term.term * Term.term list) list ->
    1.46 -       pblID * SpecifyTools.itm list * metID * SpecifyTools.itm list *
    1.47 -       (bool * Term.term) list  *)
    1.48 -    val castab : castab ref
    1.49 -    val compare_step :
    1.50 -       calcstate' -> Term.term -> string * calcstate'
    1.51 -   (* val concat_deriv :
    1.52 -       'a * ((Term.term * Term.term) list -> Term.term * Term.term -> bool)
    1.53 -       ->
    1.54 -       rls ->
    1.55 -       rule list ->
    1.56 -       Term.term ->
    1.57 -       Term.term ->
    1.58 -       bool * (Term.term * rule * (Term.term * Term.term list)) list *)
    1.59 -    val dropwhile' :   (* systest/auto-inform.sml *)
    1.60 -       ('a -> 'b -> bool) -> 'a list -> 'b list -> 'a list * 'b list
    1.61 -   (* val dtss2itm_ :
    1.62 -       pbt_ list ->
    1.63 -       Term.term * Term.term list ->
    1.64 -       int list * bool * string * SpecifyTools.itm_ *)
    1.65 -   (* val e_icalhd : icalhd *)
    1.66 -    val eq7 : ''a * ''b -> ''a * (''b * 'c) -> bool
    1.67 -    val equal : ''a -> ''a -> bool
    1.68 -   (* val filter_dsc :
    1.69 -       SpecifyTools.ori list -> SpecifyTools.itm -> SpecifyTools.ori list *)
    1.70 -   (* val filter_sep : ('a -> bool) -> 'a list -> 'a list * 'a list *)
    1.71 -   (* val flattup2 : 'a * ('b * 'c * 'd * 'e) -> 'a * 'b * 'c * 'd * 'e *)
    1.72 -   (* val fstr2itm_ :
    1.73 -       theory ->
    1.74 -       (''a * (Term.term * Term.term)) list ->
    1.75 -       ''a * string -> int list * bool * ''a * SpecifyTools.itm_ *)
    1.76 -    val inform :
    1.77 -       calcstate' -> cterm' -> string * calcstate'   
    1.78 -    val input_icalhd : ptree -> icalhd -> ptree * ocalhd
    1.79 -   (* val is_Par : SpecifyTools.itm -> bool *)
    1.80 -   (* val is_casinput : cterm' -> fmz -> bool *)
    1.81 -   (* val is_e_ts : Term.term list -> bool *)
    1.82 -   (* val itms2fstr : SpecifyTools.itm -> string * string *)
    1.83 -   (* val mk_tacis :
    1.84 -       rew_ord' * 'a ->
    1.85 -       rls ->
    1.86 -       Term.term * rule * (Term.term * Term.term list) ->
    1.87 -       tac * tac_ * (pos' * istate)      *)
    1.88 -    val oris2itms :
    1.89 -       'a -> int -> SpecifyTools.ori list -> SpecifyTools.itm list
    1.90 -   (* val par2fstr : SpecifyTools.itm -> string * cterm' *)
    1.91 -   (* val parsitm : theory -> SpecifyTools.itm -> SpecifyTools.itm *)
    1.92 -    val rev_deriv' : 'a * rule * ('b * 'c) -> 'b * rule * ('a * 'c)
    1.93 -   (* val unknown_expl :
    1.94 -       theory' ->
    1.95 -       (string * (Term.term * Term.term)) list ->
    1.96 -       (string * string) list -> SpecifyTools.itm list *)
    1.97 -  end
    1.98 -
    1.99 -
   1.100 -
   1.101 -
   1.102 -
   1.103 -
   1.104 -(***. handle an input calc-head .***)
   1.105 -
   1.106 -(*------------------------------------------------------------------(**)
   1.107 -structure inform :INFORM =
   1.108 -struct
   1.109 -(**)------------------------------------------------------------------*)
   1.110 -
   1.111 -datatype iitem = 
   1.112 -  Given of cterm' list
   1.113 -(*Where is never input*) 
   1.114 -| Find  of cterm' list
   1.115 -| Relate  of cterm' list;
   1.116 -
   1.117 -type imodel = iitem list;
   1.118 -
   1.119 -(*calc-head as input*)
   1.120 -type icalhd =
   1.121 -     pos' *     (*the position of the calc-head in the calc-tree
   1.122 -		 pos' as (p,p_) where p_ is neglected due to pos_ below*) 
   1.123 -     cterm' *   (*the headline*)
   1.124 -     imodel *   (*the model (without Find) of the calc-head*)
   1.125 -     pos_ *     (*model belongs to Pbl or Met*)
   1.126 -     spec;      (*specification: domID, pblID, metID*)
   1.127 -val e_icalhd = (e_pos', "", [Given [""]], Pbl, e_spec): icalhd;
   1.128 -
   1.129 -fun is_casinput (hdf: cterm') ((fmz_, spec): fmz) =
   1.130 -    hdf <> "" andalso fmz_ = [] andalso spec = e_spec;
   1.131 -
   1.132 -(*.handle an input as into an algebra system.*)
   1.133 -fun dtss2itm_ ppc (d, ts) =
   1.134 -    let val (f, (d, id)) = the (find_first ((curry op= d) o 
   1.135 -					    (#1: (term * term) -> term) o
   1.136 -					    (#2: pbt_ -> (term * term))) ppc)
   1.137 -    in ([1], true, f, Cor ((d, ts), (id, ts))) end;
   1.138 -
   1.139 -fun flattup2 (a,(b,c,d,e)) = (a,b,c,d,e);
   1.140 -
   1.141 -
   1.142 -
   1.143 -(*.association list with cas-commands, for generating a complete calc-head.*)
   1.144 -type castab = 
   1.145 -     (term *         (*cas-command, eg. 'solve'*)
   1.146 -      (spec * 	     (*theory, problem, method*)
   1.147 -
   1.148 -       		     (*the function generating a kind of formalization*)
   1.149 -       (term list -> (*the arguments of the cas-command, eg. (x+1=2, x)*)
   1.150 -	(term *      (*description of an element*)
   1.151 -	 term list)  (*value of the element (always put into a list)*)
   1.152 -	    list)))  (*of elements in the formalization*)
   1.153 -	 list;       (*of cas-entries in the association list*)
   1.154 -
   1.155 -val castab = ref ([]: castab);
   1.156 -
   1.157 -
   1.158 -(*..*)
   1.159 -(* val (dI,pI,mI) = spec;
   1.160 -   *)
   1.161 -(*fun cas_input_ ((dI,pI,mI): spec) dtss =
   1.162 -    let val thy = assoc_thy dI
   1.163 -	val {ppc,...} = get_pbt pI
   1.164 -	val its_ = map (dtss2itm_ ppc) dtss (*([1],true,"#Given",Cor (...))*)
   1.165 -	val its = add_id its_
   1.166 -	val pits = map flattup2 its
   1.167 -	val (pI, mI) = if mI <> ["no_met"] then (pI, mI)
   1.168 -		   else let val SOME (pI,_) = refine_pbl thy pI pits
   1.169 -			in (pI, (hd o #met o get_pbt) pI) end
   1.170 -	val {ppc,pre,prls,...} = get_met mI
   1.171 -	val its_ = map (dtss2itm_ ppc) dtss (*([1],true,"#Given",Cor (...))*)
   1.172 -	val its = add_id its_
   1.173 -	val mits = map flattup2 its
   1.174 -	val pre = check_preconds thy prls pre mits
   1.175 -in (pI, pits: itm list, mI, mits: itm list, pre) end;*)
   1.176 -
   1.177 -(* val (dI,pI,mI) = spec;
   1.178 -   *)
   1.179 -fun cas_input_ ((dI,pI,mI): spec) dtss =
   1.180 -    let val thy = assoc_thy dI
   1.181 -	val {ppc,...} = get_pbt pI
   1.182 -	val its_ = map (dtss2itm_ ppc) dtss (*([1],true,"#Given",Cor (...))*)
   1.183 -	val its = add_id its_
   1.184 -	val pits = map flattup2 its
   1.185 -	val (pI, mI) = if mI <> ["no_met"] then (pI, mI)
   1.186 -		   else case refine_pbl thy pI pits of
   1.187 -			    SOME (pI,_) => (pI, (hd o #met o get_pbt) pI)
   1.188 -			  | NONE => (pI, (hd o #met o get_pbt) pI)
   1.189 -	val {ppc,pre,prls,...} = get_met mI
   1.190 -	val its_ = map (dtss2itm_ ppc) dtss (*([1],true,"#Given",Cor (...))*)
   1.191 -	val its = add_id its_
   1.192 -	val mits = map flattup2 its
   1.193 -	val pre = check_preconds thy prls pre mits
   1.194 -in (pI, pits: itm list, mI, mits: itm list, pre) end;
   1.195 -
   1.196 -
   1.197 -(*.check if the input term is a CAScmd and return a ptree with 
   1.198 -   a _complete_ calchead.*)
   1.199 -(* val hdt = ifo;
   1.200 -   *)
   1.201 -fun cas_input hdt =
   1.202 -    let val (h,argl) = strip_comb hdt
   1.203 -    in case assoc (!castab, h) of
   1.204 -	   NONE => NONE
   1.205 -	 (*let val (pt,_) = 
   1.206 -		   cappend_problem e_ptree [] e_istate 
   1.207 -				   ([], e_spec) ([], e_spec, e_term)
   1.208 -	   in (pt, (false, Pbl, e_term(*FIXXME031:'not found'*),
   1.209 -		    [], [], e_spec)) end*)
   1.210 -	 | SOME (spec as (dI,_,_), argl2dtss) =>
   1.211 -	   (* val SOME (spec as (dI,_,_), argl2dtss ) = assoc (!castab, h);
   1.212 -	    *)
   1.213 -	   let val dtss = argl2dtss argl
   1.214 -	       val (pI, pits, mI, mits, pre) = cas_input_ spec dtss
   1.215 -	       val spec = (dI, pI, mI)
   1.216 -	       val (pt,_) = 
   1.217 -		   cappend_problem e_ptree [] e_istate ([], e_spec) 
   1.218 -				   ([], e_spec, hdt)
   1.219 -	       val pt = update_spec pt [] spec
   1.220 -	       val pt = update_pbl pt [] pits
   1.221 -	       val pt = update_met pt [] mits
   1.222 -	   in SOME (pt, (true, Met, hdt, mits, pre, spec):ocalhd) end
   1.223 -    end;
   1.224 -
   1.225 -(*lazy evaluation for Isac.thy*)
   1.226 -fun Isac _  = assoc_thy "Isac.thy";
   1.227 -
   1.228 -(*re-parse itms with a new thy and prepare for checking with ori list*)
   1.229 -fun parsitm dI (itm as (i,v,b,f, Cor ((d,ts),_)):itm) =
   1.230 -(* val itm as (i,v,b,f, Cor ((d,ts),_)) = hd probl;
   1.231 -   *)
   1.232 -    (let val t = (comp_dts (Isac "delay")) (d,ts);
   1.233 -	 val s = Syntax.string_of_term (thy2ctxt dI) t;
   1.234 -     (*this    ^ should raise the exn on unability of re-parsing dts*)
   1.235 -     in itm end handle _ => ((i,v,false,f, Syn (term2str t)):itm))
   1.236 -  | parsitm dI (itm as (i,v,b,f, Syn str)) =
   1.237 -    (let val t = (term_of o the o (parse dI)) str
   1.238 -     in (i,v,b,f, Par str) end handle _ => (i,v,b,f, Syn str))
   1.239 -  | parsitm dI (itm as (i,v,b,f, Typ str)) =
   1.240 -    (let val t = (term_of o the o (parse dI)) str
   1.241 -     in (i,v,b,f, Par str) end handle _ => (i,v,b,f, Syn str))
   1.242 -  | parsitm dI (itm as (i,v,_,f, Inc ((d,ts),_))) =
   1.243 -    (let val t = (comp_dts (Isac "delay")) (d,ts);
   1.244 -	 val s = Syntax.string_of_term (thy2ctxt dI) t;
   1.245 -     (*this    ^ should raise the exn on unability of re-parsing dts*)
   1.246 -     in itm end handle _ => ((i,v,false,f, Syn (term2str t)):itm))
   1.247 -  | parsitm dI (itm as (i,v,_,f, Sup (d,ts))) =
   1.248 -    (let val t = (comp_dts (Isac"delay" )) (d,ts);
   1.249 -	 val s = Syntax.string_of_term (thy2ctxt dI) t;
   1.250 -     (*this    ^ should raise the exn on unability of re-parsing dts*)
   1.251 -     in itm end handle _ => ((i,v,false,f, Syn (term2str t)):itm))
   1.252 -  | parsitm dI (itm as (i,v,_,f, Mis (d,t'))) =
   1.253 -    (let val t = d $ t';
   1.254 -	 val s = Syntax.string_of_term (thy2ctxt dI) t;
   1.255 -     (*this    ^ should raise the exn on unability of re-parsing dts*)
   1.256 -     in itm end handle _ => ((i,v,false,f, Syn (term2str t)):itm))
   1.257 -  | parsitm dI (itm as (i,v,_,f, Par _)) = 
   1.258 -    raise error ("parsitm (" ^ itm2str_ (thy2ctxt dI) itm^
   1.259 -		 "): Par should be internal");
   1.260 -
   1.261 -(*separate a list to a pair of elements that do NOT satisfy the predicate,
   1.262 - and of elements that satisfy the predicate, i.e. (false, true)*)
   1.263 -fun filter_sep pred xs =
   1.264 -  let fun filt ab [] = ab
   1.265 -        | filt (a,b) (x :: xs) = if pred x 
   1.266 -				 then filt (a,b@[x]) xs 
   1.267 -				 else filt (a@[x],b) xs
   1.268 -  in filt ([],[]) xs end;
   1.269 -fun is_Par ((_,_,_,_,Par _):itm) = true
   1.270 -  | is_Par _ = false;
   1.271 -
   1.272 -fun is_e_ts [] = true
   1.273 -  | is_e_ts [Const ("List.list.Nil", _)] = true
   1.274 -  | is_e_ts _ = false;
   1.275 -
   1.276 -(*WN.9.11.03 copied from fun appl_add (in modspec.sml)*)
   1.277 -(* val (sel,ct) = selct;
   1.278 -   val (dI, oris, ppc, pbt, (sel, ct))=
   1.279 -       (#1 (some_spec ospec spec), oris, []:itm list,
   1.280 -	((#ppc o get_pbt) (#2 (some_spec ospec spec))),
   1.281 -	hd (imodel2fstr imodel));
   1.282 -   *)
   1.283 -fun appl_add' dI oris ppc pbt (sel, ct) = 
   1.284 -    let 
   1.285 -	val thy = assoc_thy dI;
   1.286 -    in case parse thy ct of
   1.287 -	   NONE => (0,[],false,sel, Syn ct):itm
   1.288 -	 | SOME ct => (* val SOME ct = parse thy ct;
   1.289 -		          *)
   1.290 -    (case is_known thy sel oris (term_of ct) of
   1.291 -	 (* val ("",ori'(*ts='ct'*), all) = is_known thy sel oris (term_of ct);
   1.292 -	     *)
   1.293 -	 ("",ori'(*ts='ct'*), all) => 
   1.294 -	 (case is_notyet_input thy ppc all ori' pbt of
   1.295 -	      (* val ("",itm) = is_notyet_input thy ppc all ori' pbt;
   1.296 -	          *)
   1.297 -	      ("",itm)  => itm
   1.298 -	 (* val (msg,xx) = is_notyet_input thy ppc all ori' pbt;
   1.299 -	    *)
   1.300 -	    | (msg,_) => raise error ("appl_add': "^msg))
   1.301 -	 (* val (msg,(_,_,_,d,ts),all) = is_known thy sel oris (term_of ct);
   1.302 -	    *)
   1.303 -       | (msg,(i,v,_,d,ts),_) => 
   1.304 -	 if is_e_ts ts then (i,v,false, sel, Inc ((d,ts),(e_term,[])))
   1.305 -	 else (i,v,false,sel, Sup (d,ts)))
   1.306 -    end;
   1.307 -
   1.308 -(*.generate preliminary itm_ from a strin (with field "#Given" etc.).*)
   1.309 -(* val (f, str) = hd selcts;
   1.310 -   *)
   1.311 -fun eq7 (f, d) (f', (d', _)) = f=f' andalso d=d';
   1.312 -fun fstr2itm_ thy pbt (f, str) =
   1.313 -    let val topt = parse thy str
   1.314 -    in case topt of
   1.315 -	   NONE => ([], false, f, Syn str)
   1.316 -	 | SOME ct => 
   1.317 -(* val SOME ct = parse thy str;
   1.318 -   *)
   1.319 -	   let val (d,ts) = ((split_dts thy) o term_of) ct
   1.320 -	       val popt = find_first (eq7 (f,d)) pbt
   1.321 -	   in case popt of
   1.322 -		  NONE => ([1](*??*), true(*??*), f, Sup (d,ts))
   1.323 -		| SOME (f, (d, id)) => ([1], true, f, Cor ((d,ts), (id, ts))) 
   1.324 -	   end
   1.325 -    end; 
   1.326 -
   1.327 -
   1.328 -(*.input into empty PblObj, i.e. empty fmz+origin (unknown example).*)
   1.329 -fun unknown_expl dI pbt selcts =
   1.330 -  let
   1.331 -    val thy = assoc_thy dI
   1.332 -    val its_ = map (fstr2itm_ thy pbt) selcts (*([1],true,"#Given",Cor (...))*)
   1.333 -    val its = add_id its_ 
   1.334 -in (map flattup2 its): itm list end;
   1.335 -
   1.336 -
   1.337 -
   1.338 -
   1.339 -(*WN.11.03 for input_icalhd, ~ specify_additem for Add_Given/_Find/_Relation
   1.340 - appl_add': generate 1 item 
   1.341 - appl_add' . is_known: parse, get data from oris (vats, all (elems if list)..)
   1.342 - appl_add' . is_notyet_input: compare with items in model already input
   1.343 - insert_ppc': insert this 1 item*)
   1.344 -(* val (dI,oris,ppc,pbt,selcts) =((#1 (some_spec ospec spec)),oris,[(*!!*)],
   1.345 -			       ((#ppc o get_pbt) (#2 (some_spec ospec spec))),
   1.346 -			       (imodel2fstr imodel));
   1.347 -   *)
   1.348 -fun appl_adds dI [] _ pbt selcts = unknown_expl dI pbt selcts
   1.349 -  (*already present itms in model are being overwritten*)
   1.350 -  | appl_adds dI oris ppc pbt [] = ppc
   1.351 -  | appl_adds dI oris ppc pbt (selct::ss) =
   1.352 -    (* val selct = (sel, string_of_cterm ct);
   1.353 -       *)
   1.354 -    let val itm = appl_add' dI oris ppc pbt selct;
   1.355 -    in appl_adds dI oris (insert_ppc' itm ppc) pbt ss end;
   1.356 -(* val (dI, oris, ppc, pbt, selct::ss) = 
   1.357 -       (dI, pors, probl, ppc, map itms2fstr probl);
   1.358 -   ...vvv
   1.359 -   *)
   1.360 -(* val (dI, oris, ppc, pbt, (selct::ss))=
   1.361 -       (#1 (some_spec ospec spec), oris, []:itm list,
   1.362 -	((#ppc o get_pbt) (#2 (some_spec ospec spec))),(imodel2fstr imodel));
   1.363 -   val iii = appl_adds dI oris ppc pbt (selct::ss); 
   1.364 -   writeln(itms2str_ thy iii);
   1.365 -
   1.366 - val itm = appl_add' dI oris ppc pbt selct;
   1.367 - val ppc = insert_ppc' itm ppc;
   1.368 -
   1.369 - val _::selct::ss = (selct::ss);
   1.370 - val itm = appl_add' dI oris ppc pbt selct;
   1.371 - val ppc = insert_ppc' itm ppc;
   1.372 -
   1.373 - val _::selct::ss = (selct::ss);
   1.374 - val itm = appl_add' dI oris ppc pbt selct;
   1.375 - val ppc = insert_ppc' itm ppc;
   1.376 - writeln(itms2str_ thy ppc);
   1.377 -
   1.378 - val _::selct::ss = (selct::ss);
   1.379 - val itm = appl_add' dI oris ppc pbt selct;
   1.380 - val ppc = insert_ppc' itm ppc;
   1.381 -   *)
   1.382 -
   1.383 -
   1.384 -fun oris2itms _ _ ([]:ori list) = ([]:itm list)
   1.385 -  | oris2itms pbt vat ((i,v,f,d,ts)::(os: ori list)) =
   1.386 -    if member op = vat v 
   1.387 -    then (i,v,true,f,Cor ((d,ts),(e_term,[])))::(oris2itms pbt vat os)
   1.388 -    else oris2itms pbt vat os;
   1.389 -
   1.390 -fun filter_dsc oris itm = 
   1.391 -    filter_out ((curry op= ((d_in o #5) (itm:itm))) o 
   1.392 -		(#4:ori -> term)) oris;
   1.393 -
   1.394 -
   1.395 -
   1.396 -
   1.397 -fun par2fstr ((_,_,_,f, Par s):itm) = (f, s)
   1.398 -  | par2fstr itm = raise error ("par2fstr: called with " ^
   1.399 -			      itm2str_ (thy2ctxt' "Isac") itm);
   1.400 -fun itms2fstr ((_,_,_,f, Cor ((d,ts),_)):itm) = (f, comp_dts'' (d,ts))
   1.401 -  | itms2fstr (_,_,_,f, Syn str) = (f, str)
   1.402 -  | itms2fstr (_,_,_,f, Typ str) = (f, str)
   1.403 -  | itms2fstr (_,_,_,f, Inc ((d,ts),_)) = (f, comp_dts'' (d,ts))
   1.404 -  | itms2fstr (_,_,_,f, Sup (d,ts)) = (f, comp_dts'' (d,ts))
   1.405 -  | itms2fstr (_,_,_,f, Mis (d,t)) = (f, term2str (d $ t))
   1.406 -  | itms2fstr (itm as (_,_,_,f, Par _)) = 
   1.407 -    raise error ("parsitm ("^itm2str_ (thy2ctxt' "Isac") itm ^
   1.408 -		 "): Par should be internal");
   1.409 -
   1.410 -fun imodel2fstr iitems = 
   1.411 -    let fun xxx is [] = is
   1.412 -	  | xxx is ((Given strs)::iis) = 
   1.413 -	    xxx (is @ (map (pair "#Given") strs)) iis
   1.414 -	  | xxx is ((Find strs)::iis) = 
   1.415 -	    xxx (is @ (map (pair "#Find") strs)) iis
   1.416 -	  | xxx is ((Relate strs)::iis) = 
   1.417 -	    xxx (is @ (map (pair "#Relate") strs)) iis
   1.418 -    in xxx [] iitems end;
   1.419 -
   1.420 -(*.input a CAS-command via a whole calchead;
   1.421 -   dWN0602 ropped due to change of design in the front-end.*)
   1.422 -(*since previous calc-head _only_ has changed:
   1.423 -  EITHER _1_ part of the specification OR some items in the model;
   1.424 -  the hdform is left as is except in cas_input .*)
   1.425 -(*FIXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX___Met___XXXXXXXXXXXME.TODO.WN:11.03*)
   1.426 -(*   val ((p,_), hdf, imodel, Pbl, spec as (dI,pI,mI)) = 
   1.427 -       (p, "xxx", empty_model, Pbl, e_spec);
   1.428 -   val ((p,_), hdf, imodel, Pbl, spec as (dI,pI,mI)) = 
   1.429 -       (p,"", [Given ["fixedValues [r=Arbfix]"],
   1.430 -	       Find ["maximum A", "valuesFor [a,b]"],
   1.431 -	       Relate ["relations [A=a*b, a/2=r*sin alpha, \
   1.432 -		       \b/2=r*cos alpha]"]], Pbl, e_spec);   
   1.433 -   val ((p,_), hdf, imodel, Pbl, spec as (dI,pI,mI)) = 
   1.434 -       (([],Pbl), "not used here",
   1.435 -	[Given ["fixedValues [r=Arbfix]"],
   1.436 -	 Find ["maximum A", "valuesFor [a,b]"(*new input*)], 
   1.437 -	 Relate ["relations [A=a*b, (a/2)^^^2 + (b/2)^^^2 = r^^^2]"]], Pbl, 
   1.438 -        ("DiffApp.thy", ["e_pblID"], ["e_metID"]));
   1.439 -   val ((p,_), hdf, imodel, Pbl, spec as (dI,pI,mI)) = ichd;
   1.440 -   *)
   1.441 -fun input_icalhd pt (((p,_), hdf, imodel, Pbl, spec as (dI,pI,mI)):icalhd) =
   1.442 -    let val PblObj {fmz = fmz as (fmz_,_), origin = (oris, ospec, hdf'), 
   1.443 -		    spec = sspec as (sdI,spI,smI), probl, meth,...} = 
   1.444 -	    get_obj I pt p;
   1.445 -    in if is_casinput hdf fmz then the (cas_input (str2term hdf)) 
   1.446 -       else        (*hacked WN0602 ~~~            ~~~~~~~~~,   ..dropped !*)
   1.447 -       let val (pos_, pits, mits) = 
   1.448 -	       if dI <> sdI
   1.449 -	       then let val its = map (parsitm (assoc_thy dI)) probl;
   1.450 -			val (its, trms) = filter_sep is_Par its;
   1.451 -			val pbt = (#ppc o get_pbt) (#2(some_spec ospec sspec));
   1.452 -		    in (Pbl, appl_adds dI oris its pbt 
   1.453 -				       (map par2fstr trms), meth) end else
   1.454 -	       if pI <> spI 
   1.455 -	       then if pI = snd3 ospec then (Pbl, probl, meth) else
   1.456 -		    let val pbt = (#ppc o get_pbt) pI
   1.457 -			val dI' = #1 (some_spec ospec spec)
   1.458 -			val oris = if pI = #2 ospec then oris 
   1.459 -				   else prep_ori fmz_(assoc_thy"Isac.thy") pbt;
   1.460 -		    in (Pbl, appl_adds dI' oris probl pbt 
   1.461 -				       (map itms2fstr probl), meth) end else
   1.462 -	       if mI <> smI (*FIXME.WN0311: what if probl is incomplete?!*)
   1.463 -	       then let val met = (#ppc o get_met) mI
   1.464 -		        val mits = complete_metitms oris probl meth met
   1.465 -		    in if foldl and_ (true, map #3 mits)
   1.466 -		       then (Pbl, probl, mits) else (Met, probl, mits) 
   1.467 -		    end else
   1.468 -	       (Pbl, appl_adds (#1 (some_spec ospec spec)) oris [(*!!!*)]
   1.469 -			       ((#ppc o get_pbt) (#2 (some_spec ospec spec)))
   1.470 -			       (imodel2fstr imodel), meth);
   1.471 -	   val pt = update_spec pt p spec;
   1.472 -       in if pos_ = Pbl
   1.473 -	  then let val {prls,where_,...} = get_pbt (#2 (some_spec ospec spec))
   1.474 -		   val pre =check_preconds(assoc_thy"Isac.thy")prls where_ pits
   1.475 -	       in (update_pbl pt p pits,
   1.476 -		   (ocalhd_complete pits pre spec, 
   1.477 -		    Pbl, hdf', pits, pre, spec):ocalhd) end
   1.478 -	  else let val {prls,pre,...} = get_met (#3 (some_spec ospec spec))
   1.479 -		   val pre = check_preconds (assoc_thy"Isac.thy") prls pre mits
   1.480 -	       in (update_met pt p mits,
   1.481 -		   (ocalhd_complete mits pre spec, 
   1.482 -		    Met, hdf', mits, pre, spec):ocalhd) end
   1.483 -       end end
   1.484 -  | input_icalhd pt ((p,_), hdf, imodel, _(*Met*), spec as (dI,pI,mI)) =
   1.485 -    raise error "input_icalhd Met not impl.";
   1.486 -
   1.487 -
   1.488 -(***. handle an input formula .***)
   1.489 -(*
   1.490 -Untersuchung zur Formeleingabe (appendFormula, replaceFormla) zu einer Anregung von Alan Krempler:
   1.491 -Welche RICHTIGEN Formeln koennen NICHT abgeleitet werden, 
   1.492 -wenn Abteilungen nur auf gleichem Level gesucht werden ?
   1.493 -WN.040216 
   1.494 -
   1.495 -Beispiele zum Equationsolver von Richard Lang aus /src/sml/kbtest/rlang.sml
   1.496 -
   1.497 -------------------------------------------------------------------------------
   1.498 -"Schalk I s.87 Bsp 52a ((5*x)/(x - 2) - x/(x+2)=4)";
   1.499 -------------------------------------------------------------------------------
   1.500 -1. "5 * x / (x - 2) - x / (x + 2) = 4"
   1.501 -...
   1.502 -4. "12 * x + 4 * x ^^^ 2 = 4 * (-4 + x ^^^ 2)",Subproblem["normalize", "poly"..
   1.503 -...
   1.504 -4.3. "16 + 12 * x = 0", Subproblem["degree_1", "polynomial", "univariate"..
   1.505 -...
   1.506 -4.3.3. "[x = -4 / 3]")), Check_elementwise "Assumptions"
   1.507 -...
   1.508 -"[x = -4 / 3]"
   1.509 -------------------------------------------------------------------------------
   1.510 -(1)..(6): keine 'richtige' Eingabe kann abgeleitet werden, die einen Summanden auf die andere Seite verschiebt [Ableitung ware in 4.3.n]
   1.511 -
   1.512 -(4.1)..(4.3): keine 'richtige' Eingabe kann abgeleitet werden, die einen Summanden auf die andere Seite verschiebt [Ableitung ware in 4.3.n]
   1.513 -------------------------------------------------------------------------------
   1.514 -
   1.515 -
   1.516 -------------------------------------------------------------------------------
   1.517 -"Schalk I s.87 Bsp 55b (x/(x^^^2 - 6*x+9) - 1/(x^^^2 - 3*x) =1/x)";
   1.518 -------------------------------------------------------------------------------
   1.519 -1. "x / (x ^^^ 2 - 6 * x + 9) - 1 / (x ^^^ 2 - 3 * x) = 1 / x"
   1.520 -...
   1.521 -4. "(3 + (-1 * x + x ^^^ 2)) * x = 1 * (9 * x + (x ^^^ 3 + -6 * x ^^^ 2))"
   1.522 -                         Subproblem["normalize", "polynomial", "univariate"..
   1.523 -...
   1.524 -4.4. "-6 * x + 5 * x ^^^ 2 = 0", Subproblem["bdv_only", "degree_2", "poly"..
   1.525 -...
   1.526 -4.4.4. "[x = 0, x = 6 / 5]", Check_elementwise "Assumptions"
   1.527 -4.4.5. "[x = 0, x = 6 / 5]"
   1.528 -...
   1.529 -5. "[x = 0, x = 6 / 5]", Check_elementwise "Assumptions"
   1.530 -   "[x = 6 / 5]"
   1.531 -------------------------------------------------------------------------------
   1.532 -(1)..(4): keine 'richtige' Eingabe kann abgeleitet werden, die einen Summanden auf die andere Seite schiebt [Ableitung waere in 4.4.x]
   1.533 -
   1.534 -(4.1)..(4.4.5): keine 'richtige' Eingabe kann abgeleitet werden, die dem Ergebnis "[x = 6 / 5]" aequivalent ist [Ableitung waere in 5.]
   1.535 -------------------------------------------------------------------------------
   1.536 -
   1.537 -
   1.538 -------------------------------------------------------------------------------
   1.539 -"Schalk II s.56 Bsp 73b (sqrt(x+1)+sqrt(4*x+4)=sqrt(9*x+9))";
   1.540 -------------------------------------------------------------------------------
   1.541 -1. "sqrt (x + 1) + sqrt (4 * x + 4) = sqrt (9 * x + 9)"
   1.542 -...
   1.543 -6. "13 + 13 * x + -2 * sqrt ((4 + 4 * x) * (9 + 9 * x)) = 1 + x"
   1.544 -                             Subproblem["sq", "root", "univariate", "equation"]
   1.545 -...
   1.546 -6.6. "144 + 288 * x + 144 * x ^^^ 2 = 144 + x ^^^ 2 + 288 * x + 143 * x ^^^ 2"
   1.547 -                Subproblem["normalize", "polynomial", "univariate", "equation"]
   1.548 -...
   1.549 -6.6.3 "0 = 0"    Subproblem["degree_0", "polynomial", "univariate", "equation"]
   1.550 -...                                       Or_to_List
   1.551 -6.6.3.2 "UniversalList"
   1.552 -------------------------------------------------------------------------------
   1.553 -(1)..(6): keine 'richtige' Eingabe kann abgeleitet werden, die eine der Wurzeln auf die andere Seite verschieb [Ableitung ware in 6.6.n]
   1.554 -
   1.555 -(6.1)..(6.3): keine 'richtige' Eingabe kann abgeleitet werden, die einen Summanden auf die andere Seite verschiebt [Ableitung ware in 6.6.n]
   1.556 -------------------------------------------------------------------------------
   1.557 -*)
   1.558 -(*sh. comments auf 498*)
   1.559 -
   1.560 -fun equal a b = a=b;
   1.561 -
   1.562 -(*the lists contain eq-al elem-pairs at the beginning;
   1.563 -  return first list reverted (again) - ie. in order as required subsequently*)
   1.564 -fun dropwhile' equal (f1::f2::fs) (i1::i2::is) =
   1.565 -    if equal f1 i1 then
   1.566 -	 if equal f2 i2 then dropwhile' equal (f2::fs) (i2::is)
   1.567 -	 else (rev (f1::f2::fs), i1::i2::is)
   1.568 -    else raise error "dropwhile': did not start with equal elements"
   1.569 -  | dropwhile' equal (f::fs) [i] =
   1.570 -    if equal f i then (rev (f::fs), [i])
   1.571 -    else raise error "dropwhile': did not start with equal elements"
   1.572 -  | dropwhile' equal [f] (i::is) =
   1.573 -    if equal f i then ([f], i::is)
   1.574 -    else raise error "dropwhile': did not start with equal elements";
   1.575 -(*
   1.576 - fun equal a b = a=b;
   1.577 - val foder = [0,1,2,3,4,5]; val ifoder = [11,12,3,4,5];
   1.578 - val r_foder = rev foder;  val r_ifoder = rev ifoder;
   1.579 - dropwhile' equal r_foder r_ifoder;
   1.580 -> vval it = ([0, 1, 2, 3], [3, 12, 11]) : int list * int list
   1.581 -
   1.582 - val foder = [3,4,5]; val ifoder = [11,12,3,4,5];
   1.583 - val r_foder = rev foder;  val r_ifoder = rev ifoder;
   1.584 - dropwhile' equal r_foder r_ifoder;
   1.585 -> val it = ([3], [3, 12, 11]) : int list * int list
   1.586 -
   1.587 - val foder = [5]; val ifoder = [11,12,3,4,5];
   1.588 - val r_foder = rev foder;  val r_ifoder = rev ifoder;
   1.589 - dropwhile' equal r_foder r_ifoder;
   1.590 -> val it = ([5], [5, 4, 3, 12, 11]) : int list * int list
   1.591 -
   1.592 - val foder = [10,11,12,13,14,15]; val ifoder = [11,12,3,4,5];
   1.593 - val r_foder = rev foder;  val r_ifoder = rev ifoder;
   1.594 - dropwhile' equal r_foder r_ifoder;
   1.595 -> *** dropwhile': did not start with equal elements*)
   1.596 -
   1.597 -(*040214: version for concat_deriv*)
   1.598 -fun rev_deriv' (t, r, (t', a)) = (t', sym_Thm r, (t, a));
   1.599 -
   1.600 -fun mk_tacis ro erls (t, r as Thm _, (t', a)) = 
   1.601 -    (Rewrite (rule2thm' r), 
   1.602 -     Rewrite' ("Isac.thy", fst ro, erls, false, 
   1.603 -	       rule2thm' r, t, (t', a)),
   1.604 -     (e_pos'(*to be updated before generate tacis!!!*), Uistate))
   1.605 -  | mk_tacis ro erls (t, r as Rls_ rls, (t', a)) = 
   1.606 -    (Rewrite_Set (rule2rls' r), 
   1.607 -     Rewrite_Set' ("Isac.thy", false, rls, t, (t', a)),
   1.608 -     (e_pos'(*to be updated before generate tacis!!!*), Uistate));
   1.609 -
   1.610 -(*fo = ifo excluded already in inform*)
   1.611 -fun concat_deriv rew_ord erls rules fo ifo =
   1.612 -    let fun derivat ([]:(term * rule * (term * term list)) list) = e_term
   1.613 -	  | derivat dt = (#1 o #3 o last_elem) dt
   1.614 -        fun equal (_,_,(t1, _)) (_,_,(t2, _)) = t1=t2
   1.615 -	val  fod = make_deriv (Isac"") erls rules (snd rew_ord) NONE  fo
   1.616 -	val ifod = make_deriv (Isac"") erls rules (snd rew_ord) NONE ifo
   1.617 -    in case (fod, ifod) of
   1.618 -	   ([], []) => if fo = ifo then (true, [])
   1.619 -		       else (false, [])
   1.620 -	 | (fod, []) => if derivat fod = ifo 
   1.621 -			then (true, fod) (*ifo is normal form*)
   1.622 -			else (false, [])
   1.623 -	 | ([], ifod) => if fo = derivat ifod 
   1.624 -			 then (true, ((map rev_deriv') o rev) ifod)
   1.625 -			 else (false, [])
   1.626 -	 | (fod, ifod) =>
   1.627 -	   if derivat fod = derivat ifod (*common normal form found*)
   1.628 -	   then let val (fod', rifod') = 
   1.629 -			dropwhile' equal (rev fod) (rev ifod)
   1.630 -		in (true, fod' @ (map rev_deriv' rifod')) end
   1.631 -	   else (false, [])
   1.632 -    end;
   1.633 -(*
   1.634 - val ({rew_ord, erls, rules,...}, fo, ifo) = 
   1.635 -     (rep_rls Test_simplify, str2term "x+1+ -1*2=0", str2term "-2*1+(x+1)=0");
   1.636 - (writeln o trtas2str) fod';
   1.637 -> ["
   1.638 -(x + 1 + -1 * 2 = 0, Thm ("radd_commute","?m + ?n = ?n + ?m"), (-1 * 2 + (x + 1) = 0, []))","
   1.639 -(-1 * 2 + (x + 1) = 0, Thm ("radd_commute","?m + ?n = ?n + ?m"), (-1 * 2 + (1 + x) = 0, []))","
   1.640 -(-1 * 2 + (1 + x) = 0, Thm ("radd_left_commute","?x + (?y + ?z) = ?y + (?x + ?z)"), (1 + (-1 * 2 + x) = 0, []))","
   1.641 -(1 + (-1 * 2 + x) = 0, Thm ("#mult_Float ((~1,0), (0,0)) __ ((2,0), (0,0))","-1 * 2 = -2"), (1 + (-2 + x) = 0, []))"]
   1.642 -val it = () : unit
   1.643 - (writeln o trtas2str) (map rev_deriv' rifod');
   1.644 -> ["
   1.645 -(1 + (-2 + x) = 0, Thm ("sym_#mult_Float ((~2,0), (0,0)) __ ((1,0), (0,0))","-2 = -2 * 1"), (1 + (-2 * 1 + x) = 0, []))","
   1.646 -(1 + (-2 * 1 + x) = 0, Thm ("sym_radd_left_commute","?y + (?x + ?z) = ?x + (?y + ?z)"), (-2 * 1 + (1 + x) = 0, []))","
   1.647 -(-2 * 1 + (1 + x) = 0, Thm ("sym_radd_commute","?n + ?m = ?m + ?n"), (-2 * 1 + (x + 1) = 0, []))"]
   1.648 -val it = () : unit
   1.649 -*)
   1.650 -
   1.651 -
   1.652 -(*.compare inform with ctree.form at current pos by nrls;
   1.653 -   if found, embed the derivation generated during comparison
   1.654 -   if not, let the mat-engine compute the next ctree.form.*)
   1.655 -(*structure copied from complete_solve
   1.656 -  CAUTION: tacis in returned calcstate' do NOT construct resulting ptp --
   1.657 -           all_modspec etc. has to be inserted at Subproblem'*)
   1.658 -(* val (tacis, c, ptp as (pt, pos as (p,p_))) = (tacis, ptp);
   1.659 -   val (tacis, c, ptp as (pt, pos as (p,p_))) = cs';
   1.660 -
   1.661 -   val (tacis, c, ptp as (pt, pos as (p,p_))) = ([],[],(pt, lev_back pos));
   1.662 -   -----rec.call:
   1.663 -   val (tacis, c, ptp as (pt, pos as (p,p_))) = cs';
   1.664 -   *)
   1.665 -fun compare_step ((tacis, c, ptp as (pt, pos as (p,p_))): calcstate') ifo =
   1.666 -    let val fo = case p_ of Frm => get_obj g_form pt p
   1.667 -			  | Res => (fst o (get_obj g_result pt)) p
   1.668 -			  | _ => e_term (*on PblObj is fo <> ifo*);
   1.669 -	val {nrls,...} = get_met (get_obj g_metID pt (par_pblobj pt p))
   1.670 -	val {rew_ord, erls, rules,...} = rep_rls nrls
   1.671 -	val (found, der) = concat_deriv rew_ord erls rules fo ifo;
   1.672 -    in if found
   1.673 -       then let val tacis' = map (mk_tacis rew_ord erls) der;
   1.674 -		val (c', ptp) = embed_deriv tacis' ptp;
   1.675 -	    in ("ok", (tacis (*@ tacis'?WN050408*), c @ c', ptp)) end
   1.676 -       else 
   1.677 -	   if pos = ([], Res) 
   1.678 -	   then ("no derivation found", (tacis, c, ptp): calcstate') 
   1.679 -	   else let val cs' as (tacis, c', ptp) = nxt_solve_ ptp;
   1.680 -		    val cs' as (tacis, c'', ptp) = 
   1.681 -			case tacis of
   1.682 -			    ((Subproblem _, _, _)::_) => 
   1.683 -			    let val ptp as (pt, (p,_)) = all_modspec ptp
   1.684 -				val mI = get_obj g_metID pt p
   1.685 -			    in nxt_solv (Apply_Method' (mI, NONE, e_istate)) 
   1.686 -					e_istate ptp end
   1.687 -			  | _ => cs';
   1.688 -		in compare_step (tacis, c @ c' @ c'', ptp) ifo end
   1.689 -    end;
   1.690 -(* writeln (trtas2str der);
   1.691 -   *)
   1.692 -
   1.693 -(*.handle a user-input formula, which may be a CAS-command, too.
   1.694 -CAS-command:
   1.695 -   create a calchead, and do 1 step
   1.696 -   TOOODO.WN0602 works only for the root-problem !!!
   1.697 -formula, which is no CAS-command:
   1.698 -   compare iform with calc-tree.form at pos by equ_nrls and all subsequent pos;
   1.699 -   collect all the tacs applied by the way.*)
   1.700 -(*structure copied from autocalc*)
   1.701 -(* val (cs as (_,  _, (pt, pos as (p, p_))): calcstate') = cs';
   1.702 -   val ifo = str2term ifo;
   1.703 -
   1.704 -   val ((cs as (_, _, ptp as (pt, pos as (p, p_))): calcstate'), istr) =
   1.705 -       (cs', encode ifo);
   1.706 -   val ((cs as (_, _, ptp as (pt, pos as (p, p_)))), istr)=(cs', (encode ifo));
   1.707 -   val ((cs as (_, _, ptp as (pt, pos as (p, p_))): calcstate'), istr) =
   1.708 -       (([],[],(pt,p)), (encode ifo));
   1.709 -   *)
   1.710 -fun inform (cs as (_, _, ptp as (pt, pos as (p, p_))): calcstate') istr =
   1.711 -    case parse (assoc_thy "Isac.thy") istr of
   1.712 -(* val SOME ifo = parse (assoc_thy "Isac.thy") istr;
   1.713 -   *)
   1.714 -	SOME ifo =>
   1.715 -	let val ifo = term_of ifo
   1.716 -	    val fo = case p_ of Frm => get_obj g_form pt p
   1.717 -			      | Res => (fst o (get_obj g_result pt)) p
   1.718 -			      | _ => #3 (get_obj g_origin pt p)
   1.719 -	in if fo = ifo
   1.720 -	   then ("same-formula", cs)
   1.721 -	   (*thus ctree not cut with replaceFormula!*)
   1.722 -	   else case cas_input ifo of
   1.723 -(* val SOME (pt, _) = cas_input ifo;
   1.724 -   *)
   1.725 -		    SOME (pt, _) => ("ok",([],[],(pt, (p, Met))))
   1.726 -		  | NONE =>
   1.727 -		    compare_step ([],[],(pt,
   1.728 -				     (*last step re-calc in compare_step TODO*)
   1.729 -					 lev_back pos)) ifo
   1.730 -	end
   1.731 -      | NONE => ("syntax error in '"^istr^"'", e_calcstate');
   1.732 -
   1.733 -
   1.734 -(*------------------------------------------------------------------(**)
   1.735 -end
   1.736 -open inform; 
   1.737 -(**)------------------------------------------------------------------*)