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(* Title: interpreter for scripts
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Author: Walther Neuper 2000
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(c) due to copyright terms
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*)
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signature LUCAS_INTERPRETER =
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sig
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type step = tac_ * mout * ptree * pos' * pos' list
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datatype locate = NotLocatable | Steps of istate * step list
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val next_tac : (*diss: next-tactic-function*)
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theory' * rls -> ptree * pos' -> scr -> istate * 'a -> tac_ * (istate * 'a) * (term * safe)
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val locate_gen : (*diss: locate-function*)
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theory' * rls -> tac_ -> ptree * pos' -> scr * 'a -> istate * Proof.context -> locate
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(* can these functions be local to Lucin or part of LItools ? *)
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val sel_rules : ptree -> pos' -> tac list
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val init_form : 'a -> scr -> (term * term) list -> term option
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val tac_2tac : tac_ -> tac
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val init_scrstate : theory -> itm list -> metID -> istate * Proof.context * scr
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val from_pblobj' : theory' -> pos * pos_ -> ptree -> rls * (istate * Proof.context) * scr
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val from_pblobj_or_detail' : theory' -> pos * pos_ -> ptree ->
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rls * (istate * Proof.context) * scr
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val rule2thm'' : rule -> thm''
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val rule2rls' : rule -> string
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(*/-------------------------------------------------------- ! aktivate for Test_Isac BEGIN ---\* )
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datatype asap = Aundef | AssOnly | AssGen
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datatype appy = Appy of tac_ * scrstate | Napp of env | Skip of term * env
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datatype appy_ = Napp_ | Skip_
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val appy : theory' * rls -> ptree * pos' -> env -> lrd list -> term -> term option -> term -> appy
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val formal_args : term -> term list
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val get_stac : 'a -> term -> term option
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val go : loc_ -> term -> term
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val handle_leaf : string -> theory' -> rls -> env -> term option -> term -> term ->
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term option * stacexpr
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val id_of_scr : term -> string
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val is_spec_pos : pos_ -> bool
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val itms2args : 'a -> metID -> itm list -> term list
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val nstep_up : theory' * rls -> ptree * pos' -> scr -> env -> lrd list -> appy_ ->
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term option -> term -> appy
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val sel_appl_atomic_tacs : ptree -> pos' -> tac list
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val stac2tac : ptree -> theory -> term -> tac
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val stac2tac_ : ptree -> theory -> term -> tac * tac_
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val upd_env_opt : env -> term option * term -> env
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( *\--- ! aktivate for Test_Isac END ----------------------------------------------------------/*)
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end
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(* traces the leaves (ie. non-tactical nodes) of Prog found by next_tac, see "and scr" *)
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val trace_script = Unsynchronized.ref false; (* TODO: how are traces done in Isabelle? *)
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(**)
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structure Lucin(**): LUCAS_INTERPRETER(**) =
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struct
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(**)
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(* data for creating a new node in ctree; designed for use as:
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fun ass* scrstate steps = / ... case ass* scrstate steps of /
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Assoc (scrstate, steps) => ... ass* scrstate steps *)
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type step =
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tac_ (*transformed from associated tac *)
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* mout (*result with indentation etc. *)
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* ptree (*containing node created by tac_ + resp. scrstate *)
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* pos' (*position in ptree; ptree * pos' is the proofstate *)
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* pos' list; (*of ptree-nodes probably cut (by fst tac_) *)
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fun rule2thm'' (Thm (id, thm)) = (id, thm) : thm''
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| rule2thm'' r = error ("rule2thm': not defined for " ^ rule2str r);
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fun rule2rls' (Rls_ rls) = id_rls rls
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| rule2rls' r = error ("rule2rls': not defined for " ^ rule2str r);
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(*.makes a (rule,term) list to a Step (m, mout, pt', p', cid) for solve;
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complicated with current t in rrlsstate.*)
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fun rts2steps steps ((pt, p), (f, f'', rss, rts), (thy', ro, er, pa)) [(r, (f', am))] =
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let
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val thy = assoc_thy thy'
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val ctxt = get_ctxt pt p |> insert_assumptions am
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val m = Rewrite' (thy', ro, er, pa, rule2thm'' r, f, (f', am))
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val is = RrlsState (f', f'', rss, rts)
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val p = case p of (_, Frm) => p | (p', Res) => (lev_on p', Res) | _ => error "rts2steps: p1"
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val (p', cid, mout, pt') = generate1 thy m (is, ctxt) p pt
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in (is, (m, mout, pt', p', cid) :: steps) end
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| rts2steps steps ((pt, p) ,(f, f'', rss, rts), (thy', ro, er, pa)) ((r, (f', am)) :: rts') =
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let
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val thy = assoc_thy thy'
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val ctxt = get_ctxt pt p |> insert_assumptions am
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val m = Rewrite' (thy', ro, er, pa, rule2thm'' r, f, (f', am))
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val is = RrlsState (f', f'', rss, rts)
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val p = case p of (_, Frm) => p | (p', Res) => (lev_on p', Res) | _ => error "rts2steps: p1"
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val (p', cid, mout, pt') = generate1 thy m (is, ctxt) p pt
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in rts2steps ((m, mout, pt', p', cid)::steps)
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((pt', p'), (f', f'', rss, rts), (thy', ro, er, pa)) rts'
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end
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| rts2steps _ _ _ = error "rts2steps: uncovered fun-def"
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(* functions for the environment stack: NOT YET IMPLEMENTED
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fun accessenv id es = the (assoc ((top es) : env, id))
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handle _ => error ("accessenv: " ^ free2str id ^ " not in env");
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fun updateenv id vl (es : env stack) =
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(push (overwrite(top es, (id, vl))) (pop es)) : env stack;
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fun pushenv id vl (es : env stack) =
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(push (overwrite(top es, (id, vl))) es) : env stack;
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val popenv = pop : env stack -> env stack;
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*)
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fun de_esc_underscore str =
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let
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fun scan [] = []
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| scan (s :: ss) = if s = "'" then (scan ss) else (s :: (scan ss))
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in (implode o scan o Symbol.explode) str end;
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(*go at a location in a script and fetch the contents*)
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fun go [] t = t
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| go (D::p) (Abs(_, _, t0)) = go (p : loc_) t0
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| go (L::p) (t1 $ _) = go p t1
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| go (R::p) (_ $ t2) = go p t2
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| go l _ = error ("go: no " ^ loc_2str l);
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(*.get argument of first stactic in a script for init_form.*)
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fun get_stac thy (_ $ body) =
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let
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fun get_t y (Const ("Script.Seq",_) $ e1 $ e2) a =
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(case get_t y e1 a of NONE => get_t y e2 a | la => la)
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| get_t y (Const ("Script.Seq",_) $ e1 $ e2 $ a) _ =
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(case get_t y e1 a of NONE => get_t y e2 a | la => la)
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| get_t y (Const ("Script.Try",_) $ e) a = get_t y e a
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| get_t y (Const ("Script.Try",_) $ e $ a) _ = get_t y e a
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| get_t y (Const ("Script.Repeat",_) $ e) a = get_t y e a
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| get_t y (Const ("Script.Repeat",_) $ e $ a) _ = get_t y e a
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| get_t y (Const ("Script.Or",_) $e1 $ e2) a =
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(case get_t y e1 a of NONE => get_t y e2 a | la => la)
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| get_t y (Const ("Script.Or",_) $e1 $ e2 $ a) _ =
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(case get_t y e1 a of NONE => get_t y e2 a | la => la)
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| get_t y (Const ("Script.While",_) $ _ $ e) a = get_t y e a
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| get_t y (Const ("Script.While",_) $ _ $ e $ a) _ = get_t y e a
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| get_t y (Const ("Script.Letpar",_) $ e1 $ Abs (_, _, e2)) a =
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(case get_t y e1 a of NONE => get_t y e2 a | la => la)
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(*| get_t y (Const ("HOL.Let",_) $ e1 $ Abs (_,_,e2)) a =
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(case get_t y e1 a of NONE => get_t y e2 a | la => la)
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| get_t y (Abs (_,_,e)) a = get_t y e a*)
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| get_t y (Const ("HOL.Let",_) $ e1 $ Abs (_, _, _)) a =
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get_t y e1 a (*don't go deeper without evaluation !*)
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| get_t _ (Const ("If", _) $ _ $ _ $ _) _ = NONE
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(*(case get_t y e1 a of NONE => get_t y e2 a | la => la)*)
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| get_t _ (Const ("Script.Rewrite",_) $ _ $ _ $ a) _ = SOME a
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| get_t _ (Const ("Script.Rewrite",_) $ _ $ _ ) a = SOME a
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| get_t _ (Const ("Script.Rewrite'_Inst",_) $ _ $ _ $ _ $ a) _ = SOME a
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| get_t _ (Const ("Script.Rewrite'_Inst",_) $ _ $ _ $ _ ) a = SOME a
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| get_t _ (Const ("Script.Rewrite'_Set",_) $ _ $ _ $ a) _ = SOME a
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| get_t _ (Const ("Script.Rewrite'_Set",_) $ _ $ _ ) a = SOME a
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| get_t _ (Const ("Script.Rewrite'_Set'_Inst",_) $ _ $ _ $ _ $a)_ =SOME a
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| get_t _ (Const ("Script.Rewrite'_Set'_Inst",_) $ _ $ _ $ _ ) a =SOME a
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| get_t _ (Const ("Script.Calculate",_) $ _ $ a) _ = SOME a
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| get_t _ (Const ("Script.Calculate",_) $ _ ) a = SOME a
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| get_t _ (Const ("Script.Substitute",_) $ _ $ a) _ = SOME a
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| get_t _ (Const ("Script.Substitute",_) $ _ ) a = SOME a
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| get_t _ (Const ("Script.SubProblem",_) $ _ $ _) _ = NONE
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| get_t _ _ _ = ((*tracing ("### get_t yac: list-expr "^(term2str x));*) NONE)
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in get_t thy body e_term end
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| get_stac _ t = error ("get_stac: no fun-def. for " ^ term2str t);
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fun init_form thy (Prog sc) env =
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(case get_stac thy sc of NONE => NONE | SOME stac => SOME (subst_atomic env stac))
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| init_form _ _ _ = error "init_form: no match";
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(* get the arguments of the script out of the scripts parsetree *)
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fun formal_args scr = (fst o split_last o snd o strip_comb) scr;
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(* get the identifier of the script out of the scripts parsetree *)
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fun id_of_scr sc = (id_of o fst o strip_comb) sc;
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(*WN020526: not clear, when a is available in ass_up for eval_true*)
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(*WN060906: in "fun handle_leaf" eg. uses "SOME M__"(from some PREVIOUS
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curried Rewrite) for CURRENT value (which may be different from PREVIOUS);
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thus "NONE" must be set at the end of currying (ill designed anyway)*)
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fun upd_env_opt env (SOME a, v) = upd_env env (a, v)
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| upd_env_opt env (NONE, _) =
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((*tracing ("*** upd_env_opt: (NONE," ^ term2str v ^ ")");*) env);
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type dsc = typ; (* <-> nam..unknow in Descript.thy *)
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(*.create the actual parameters (args) of script: their order
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is given by the order in met.pat .*)
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(*WN.5.5.03: ?: does this allow for different descriptions ???
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?: why not taken from formal args of script ???
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!: FIXXXME penv: push it here in itms2args into script-evaluation*)
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(* val (thy, mI, itms) = (thy, metID, itms);
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*)
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val errmsg = "ERROR: the guard is missing (#ppc in 'type met' added in prep_met)."
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fun itms2args _ mI (itms : itm list) =
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let
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val mvat = max_vt itms
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fun okv mvat (_, vats, b, _, _) = member op = vats mvat andalso b
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val itms = filter (okv mvat) itms
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fun test_dsc d (_, _, _, _, itm_) = (d = d_in itm_)
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fun itm2arg itms (_,(d,_)) =
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case find_first (test_dsc d) itms of
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NONE => error ("itms2args: '" ^ term2str d ^ "' not in itms")
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| SOME (_, _, _, _, itm_) => penvval_in itm_
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(*| SOME (_,_,_,_,itm_) => mk_arg thy (d_in itm_) (ts_in itm_);
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penv postponed; presently penv holds already env for script*)
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val pats = (#ppc o get_met) mI
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val _ = if pats = [] then raise ERROR errmsg else ()
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in (flat o (map (itm2arg itms))) pats end;
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(* convert a script-tac 'stac' to a tactic 'tac';
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if stac is an initac, then convert to a 'tac_' (as required in appy).
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arg ptree for pushing the thy specified in rootpbl into subpbls *)
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fun stac2tac_ _ thy (Const ("Script.Rewrite", _) $ Free (thmID, _) $ _ $ _) =
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let
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val tid = (de_esc_underscore o strip_thy) thmID
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in (Rewrite (tid, assoc_thm'' thy tid), Empty_Tac_) end
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| stac2tac_ _ thy (Const ("Script.Rewrite'_Inst", _) $ sub $ Free (thmID, _) $ _ $ _) =
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let
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val subML = ((map isapair2pair) o isalist2list) sub
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val subStr = subst2subs subML
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val tid = (de_esc_underscore o strip_thy) thmID (*4.10.02 unnoetig*)
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in (Rewrite_Inst (subStr, (tid, assoc_thm'' thy tid)), Empty_Tac_) end
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| stac2tac_ _ _ (Const ("Script.Rewrite'_Set",_) $ Free (rls, _) $ _ $ _) =
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(Rewrite_Set ((de_esc_underscore o strip_thy) rls), Empty_Tac_)
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227 |
| stac2tac_ _ _ (Const ("Script.Rewrite'_Set'_Inst", _) $ sub $ Free (rls, _) $ _ $ _) =
|
wneuper@59257
|
228 |
let
|
wneuper@59257
|
229 |
val subML = ((map isapair2pair) o isalist2list) sub;
|
wneuper@59257
|
230 |
val subStr = subst2subs subML;
|
wneuper@59257
|
231 |
in (Rewrite_Set_Inst (subStr, rls), Empty_Tac_) end
|
wneuper@59257
|
232 |
| stac2tac_ _ _ (Const ("Script.Calculate", _) $ Free (op_, _) $ _) = (Calculate op_, Empty_Tac_)
|
wneuper@59257
|
233 |
| stac2tac_ _ _ (Const ("Script.Take", _) $ t) = (Take (term2str t), Empty_Tac_)
|
wneuper@59257
|
234 |
| stac2tac_ _ _ (Const ("Script.Substitute", _) $ isasub $ _) =
|
wneuper@59257
|
235 |
(Substitute ((subte2sube o isalist2list) isasub), Empty_Tac_)
|
wneuper@59257
|
236 |
| stac2tac_ _ thy (Const("Script.Check'_elementwise", _) $ _ $
|
wneuper@59257
|
237 |
(Const ("Set.Collect", _) $ Abs (_, _, pred))) =
|
wneuper@59257
|
238 |
(Check_elementwise (term_to_string''' thy pred), Empty_Tac_)
|
wneuper@59257
|
239 |
| stac2tac_ _ _ (Const("Script.Or'_to'_List", _) $ _ ) = (Or_to_List, Empty_Tac_)
|
wneuper@59257
|
240 |
| stac2tac_ _ _ (Const ("Script.Tac", _) $ Free (str, _)) =
|
wneuper@59257
|
241 |
(Tac ((de_esc_underscore o strip_thy) str), Empty_Tac_)
|
neuper@37906
|
242 |
|
neuper@41990
|
243 |
(*compare "| assod _ (Subproblem'"*)
|
wneuper@59257
|
244 |
| stac2tac_ pt _ (stac as Const ("Script.SubProblem",_) $
|
wneuper@59257
|
245 |
(Const ("Product_Type.Pair",_) $Free (dI', _) $ (Const ("Product_Type.Pair", _) $ pI' $ mI')) $
|
wneuper@59257
|
246 |
ags') =
|
wneuper@59257
|
247 |
let
|
wneuper@59257
|
248 |
val dI = ((implode o drop_last(*.."'"*) o Symbol.explode) dI')(*^""*);
|
wneuper@59257
|
249 |
val thy = maxthy (assoc_thy dI) (rootthy pt);
|
wneuper@59257
|
250 |
val pI = ((map (de_esc_underscore o free2str)) o isalist2list) pI';
|
wneuper@59257
|
251 |
val mI = ((map (de_esc_underscore o free2str)) o isalist2list) mI';
|
wneuper@59257
|
252 |
val ags = isalist2list ags';
|
wneuper@59257
|
253 |
val (pI, pors, mI) =
|
wneuper@59257
|
254 |
if mI = ["no_met"]
|
wneuper@59257
|
255 |
then
|
wneuper@59257
|
256 |
let
|
wneuper@59257
|
257 |
val pors = (match_ags thy ((#ppc o get_pbt) pI) ags)
|
wneuper@59257
|
258 |
handle ERROR "actual args do not match formal args"
|
wneuper@59257
|
259 |
=> (match_ags_msg pI stac ags(*raise exn*); [])
|
wneuper@59257
|
260 |
val pI' = refine_ori' pors pI;
|
wneuper@59257
|
261 |
in (pI', pors (* refinement over models with diff.prec only *),
|
wneuper@59257
|
262 |
(hd o #met o get_pbt) pI') end
|
wneuper@59257
|
263 |
else (pI, (match_ags thy ((#ppc o get_pbt) pI) ags)
|
wneuper@59257
|
264 |
handle ERROR "actual args do not match formal args"
|
wneuper@59257
|
265 |
=> (match_ags_msg pI stac ags(*raise exn*); []), mI);
|
wneuper@59257
|
266 |
val (fmz_, vals) = oris2fmz_vals pors;
|
wneuper@59257
|
267 |
val {cas,ppc,thy,...} = get_pbt pI
|
wneuper@59257
|
268 |
val dI = theory2theory' thy (*.take dI from _refined_ pbl.*)
|
wneuper@59257
|
269 |
val dI = theory2theory' (maxthy (assoc_thy dI) (rootthy pt));
|
wneuper@59257
|
270 |
val ctxt = dI |> Thy_Info.get_theory |> Proof_Context.init_global |> declare_constraints' vals
|
wneuper@59257
|
271 |
val hdl =
|
wneuper@59257
|
272 |
case cas of
|
wneuper@59257
|
273 |
NONE => pblterm dI pI
|
wneuper@59257
|
274 |
| SOME t => subst_atomic ((vars_of_pbl_' ppc) ~~~ vals) t
|
wneuper@59257
|
275 |
val f = subpbl (strip_thy dI) pI
|
wneuper@59257
|
276 |
in (Subproblem (dI, pI), Subproblem' ((dI, pI, mI), pors, hdl, fmz_, ctxt, f))
|
wneuper@59257
|
277 |
end
|
wneuper@59257
|
278 |
| stac2tac_ _ thy t = error ("stac2tac_ TODO: no match for " ^ term_to_string''' thy t);
|
neuper@37906
|
279 |
|
neuper@37906
|
280 |
fun stac2tac pt thy t = (fst o stac2tac_ pt thy) t;
|
neuper@37906
|
281 |
|
neuper@37906
|
282 |
datatype ass =
|
neuper@41983
|
283 |
Ass of
|
neuper@41983
|
284 |
tac_ * (* SubProblem gets args instantiated in assod *)
|
neuper@41983
|
285 |
term (* for itr_arg, result in ets *)
|
neuper@41983
|
286 |
| AssWeak of
|
neuper@41983
|
287 |
tac_ *
|
neuper@41983
|
288 |
term (*for itr_arg,result in ets*)
|
neuper@41983
|
289 |
| NotAss;
|
neuper@37906
|
290 |
|
neuper@42360
|
291 |
(* check if tac_ is associated with stac.
|
neuper@42360
|
292 |
Additional task: check if term t (the result has been calculated from) in tac_
|
neuper@42360
|
293 |
has been changed (see "datatype tac_"); if yes, recalculate result
|
neuper@42360
|
294 |
TODO.WN120106 recalculate impl.only for Substitute'
|
neuper@37906
|
295 |
args
|
neuper@42360
|
296 |
pt : ptree for pushing the thy specified in rootpbl into subpbls
|
neuper@42360
|
297 |
d : unused (planned for data for comparison)
|
neuper@42360
|
298 |
tac_ : from user (via applicable_in); to be compared with ...
|
neuper@42360
|
299 |
stac : found in Script
|
neuper@37906
|
300 |
returns
|
neuper@42360
|
301 |
Ass : associated: e.g. thmID in stac = thmID in m
|
neuper@37906
|
302 |
+++ arg in stac = arg in m
|
neuper@42360
|
303 |
AssWeak: weakly ass.:e.g. thmID in stac = thmID in m, //arg//
|
neuper@42360
|
304 |
NotAss : e.g. thmID in stac/=/thmID in m (not =)
|
neuper@42360
|
305 |
*)
|
wneuper@59257
|
306 |
fun assod _ _ (m as Rewrite_Inst' (_, _, _, _, _, thm'' as (thmID, _), f, (f', _))) stac =
|
wneuper@59252
|
307 |
(case stac of
|
wneuper@59257
|
308 |
(Const ("Script.Rewrite'_Inst", _) $ _ $ Free (thmID_, _) $ _ $ f_) =>
|
wneuper@59257
|
309 |
if thmID = thmID_
|
wneuper@59257
|
310 |
then
|
wneuper@59257
|
311 |
if f = f_
|
wneuper@59257
|
312 |
then ((*tracing"3### assod ..Ass";*) Ass (m,f'))
|
wneuper@59257
|
313 |
else ((*tracing"3### assod ..AssWeak";*) AssWeak(m, f'))
|
wneuper@59257
|
314 |
else ((*tracing"3### assod ..NotAss";*) NotAss)
|
wneuper@59257
|
315 |
| (Const ("Script.Rewrite'_Set'_Inst",_) $ _ $ Free (rls_, _) $ _ $ f_) =>
|
wneuper@59263
|
316 |
if Rtools.contains_rule (Thm thm'') (assoc_rls rls_)
|
wneuper@59257
|
317 |
then if f = f_ then Ass (m,f') else AssWeak (m,f')
|
wneuper@59257
|
318 |
else NotAss
|
wneuper@59257
|
319 |
| _ => NotAss)
|
wneuper@59257
|
320 |
| assod _ _ (m as Rewrite' (_, _, _, _, thm'' as (thmID, _), f, (f', _))) stac =
|
wneuper@59252
|
321 |
(case stac of
|
wneuper@59257
|
322 |
(Const ("Script.Rewrite", _) $ Free (thmID_, _) $ _ $ f_) =>
|
wneuper@59257
|
323 |
((*tracing ("3### assod: stac = " ^ ter2str t);
|
wneuper@59257
|
324 |
tracing ("3### assod: f(m)= " ^ term2str f);*)
|
wneuper@59257
|
325 |
if thmID = thmID_
|
wneuper@59257
|
326 |
then
|
wneuper@59257
|
327 |
if f = f_
|
wneuper@59257
|
328 |
then ((*tracing"3### assod ..Ass";*) Ass (m,f'))
|
wneuper@59257
|
329 |
else
|
wneuper@59257
|
330 |
((*tracing"### assod ..AssWeak";
|
wneuper@59257
|
331 |
tracing("### assod: f(m) = " ^ term2str f);
|
wneuper@59257
|
332 |
tracing("### assod: f(stac)= " ^ term2str f_)*)
|
wneuper@59257
|
333 |
AssWeak (m,f'))
|
wneuper@59257
|
334 |
else ((*tracing"3### assod ..NotAss";*) NotAss))
|
wneuper@59257
|
335 |
| (Const ("Script.Rewrite'_Set", _) $ Free (rls_, _) $ _ $ f_) =>
|
wneuper@59263
|
336 |
if Rtools.contains_rule (Thm thm'') (assoc_rls rls_)
|
wneuper@59257
|
337 |
then if f = f_ then Ass (m, f') else AssWeak (m, f')
|
wneuper@59257
|
338 |
else NotAss
|
wneuper@59257
|
339 |
| _ => NotAss)
|
wneuper@59257
|
340 |
| assod _ _ (m as Rewrite_Set_Inst' (_, _, _, rls, f, (f', _)))
|
wneuper@59257
|
341 |
(Const ("Script.Rewrite'_Set'_Inst", _) $ _ $ Free (rls_, _) $ _ $ f_) =
|
wneuper@59257
|
342 |
if id_rls rls = rls_
|
wneuper@59257
|
343 |
then if f = f_ then Ass (m, f') else AssWeak (m ,f')
|
wneuper@59257
|
344 |
else NotAss
|
wneuper@59257
|
345 |
| assod _ _ (m as Detail_Set_Inst' (_, _, _, rls, f, (f',_)))
|
wneuper@59257
|
346 |
(Const ("Script.Rewrite'_Set'_Inst", _) $ _ $ Free (rls_, _) $ _ $ f_) =
|
wneuper@59257
|
347 |
if id_rls rls = rls_
|
wneuper@59257
|
348 |
then if f = f_ then Ass (m, f') else AssWeak (m, f')
|
wneuper@59257
|
349 |
else NotAss
|
wneuper@59257
|
350 |
| assod _ _ (m as Rewrite_Set' (_, _, rls, f, (f', _)))
|
wneuper@59257
|
351 |
(Const ("Script.Rewrite'_Set", _) $ Free (rls_, _) $ _ $ f_) =
|
wneuper@59257
|
352 |
if id_rls rls = rls_
|
wneuper@59257
|
353 |
then if f = f_ then Ass (m, f') else AssWeak (m, f')
|
wneuper@59257
|
354 |
else NotAss
|
wneuper@59257
|
355 |
| assod _ _ (m as Detail_Set' (_, _, rls, f, (f', _)))
|
wneuper@59257
|
356 |
(Const ("Script.Rewrite'_Set", _) $ Free (rls_, _) $ _ $ f_) =
|
wneuper@59257
|
357 |
if id_rls rls = rls_
|
wneuper@59257
|
358 |
then if f = f_ then Ass (m, f') else AssWeak (m, f')
|
wneuper@59257
|
359 |
else NotAss
|
wneuper@59257
|
360 |
| assod _ _ (m as Calculate' (_, op_, f, (f', _))) stac =
|
wneuper@59257
|
361 |
(case stac of
|
wneuper@59257
|
362 |
(Const ("Script.Calculate",_) $ Free (op__,_) $ f_) =>
|
wneuper@59257
|
363 |
if op_ = op__
|
wneuper@59257
|
364 |
then if f = f_ then Ass (m, f') else AssWeak (m, f')
|
wneuper@59257
|
365 |
else NotAss
|
wneuper@59257
|
366 |
| (Const ("Script.Rewrite'_Set'_Inst", _) $ _ $ Free(rls_,_) $_$f_) =>
|
wneuper@59257
|
367 |
let val thy = assoc_thy "Isac";
|
wneuper@59257
|
368 |
in
|
wneuper@59263
|
369 |
if Rtools.contains_rule (Calc (assoc_calc' thy op_ |> snd)) (assoc_rls rls_)
|
wneuper@59257
|
370 |
then if f = f_ then Ass (m, f') else AssWeak (m, f')
|
wneuper@59257
|
371 |
else NotAss
|
wneuper@59257
|
372 |
end
|
wneuper@59257
|
373 |
| (Const ("Script.Rewrite'_Set",_) $ Free (rls_, _) $ _ $ f_) =>
|
wneuper@59257
|
374 |
let val thy = assoc_thy "Isac";
|
wneuper@59257
|
375 |
in
|
wneuper@59263
|
376 |
if Rtools.contains_rule (Calc (assoc_calc' thy op_ |> snd)) (assoc_rls rls_)
|
wneuper@59257
|
377 |
then if f = f_ then Ass (m,f') else AssWeak (m,f')
|
wneuper@59257
|
378 |
else NotAss
|
wneuper@59257
|
379 |
end
|
wneuper@59257
|
380 |
| _ => NotAss)
|
wneuper@59257
|
381 |
| assod _ _ (m as Check_elementwise' (consts, _, (consts_chkd, _)))
|
wneuper@59257
|
382 |
(Const ("Script.Check'_elementwise",_) $ consts' $ _) =
|
wneuper@59257
|
383 |
if consts = consts'
|
wneuper@59257
|
384 |
then Ass (m, consts_chkd)
|
wneuper@59257
|
385 |
else NotAss
|
wneuper@59257
|
386 |
| assod _ _ (m as Or_to_List' (_, list)) (Const ("Script.Or'_to'_List", _) $ _) = Ass (m, list)
|
wneuper@59257
|
387 |
| assod _ _ (m as Take' term) (Const ("Script.Take", _) $ _) = Ass (m, term)
|
wneuper@59257
|
388 |
| assod _ _ (m as Substitute' (ro, erls, subte, f, f')) (Const ("Script.Substitute", _) $ _ $ t) =
|
wneuper@59257
|
389 |
if f = t then Ass (m, f')
|
wneuper@59257
|
390 |
else (*compare | applicable_in (p,p_) pt (m as Substitute sube)*)
|
wneuper@59257
|
391 |
if foldl and_ (true, map contains_Var subte)
|
wneuper@59257
|
392 |
then
|
wneuper@59257
|
393 |
let val t' = subst_atomic (map HOLogic.dest_eq subte (*TODO subte2subst*)) t
|
wneuper@59257
|
394 |
in if t = t' then error "assod: Substitute' not applicable to val of Expr"
|
wneuper@59257
|
395 |
else Ass (Substitute' (ro, erls, subte, t, t'), t')
|
wneuper@59257
|
396 |
end
|
wneuper@59257
|
397 |
else (case rewrite_terms_ (Isac()) ro erls subte t of
|
neuper@42360
|
398 |
SOME (t', _) => Ass (Substitute' (ro, erls, subte, t, t'), t')
|
neuper@42360
|
399 |
| NONE => error "assod: Substitute' not applicable to val of Expr")
|
wneuper@59257
|
400 |
| assod _ _ (m as Tac_ (thy, _, id, f')) (Const ("Script.Tac",_) $ Free (id', _)) =
|
wneuper@59257
|
401 |
if id = id'
|
wneuper@59257
|
402 |
then Ass (m, ((Thm.term_of o the o (parse thy)) f'))
|
wneuper@59257
|
403 |
else NotAss
|
neuper@37906
|
404 |
|
neuper@41990
|
405 |
(*compare "| stac2tac_ thy (Const ("Script.SubProblem",_)"*)
|
wneuper@59257
|
406 |
| assod pt _ (Subproblem' ((domID, pblID, _), _, _, _, _, _))
|
wneuper@59257
|
407 |
(stac as Const ("Script.SubProblem",_) $ (Const ("Product_Type.Pair",_) $
|
wneuper@59257
|
408 |
Free (dI',_) $ (Const ("Product_Type.Pair",_) $ pI' $ mI')) $ ags') =
|
wneuper@59257
|
409 |
let
|
wneuper@59257
|
410 |
val dI = ((implode o drop_last(*.."'"*) o Symbol.explode) dI')(*^""*);
|
wneuper@59257
|
411 |
val thy = maxthy (assoc_thy dI) (rootthy pt);
|
wneuper@59257
|
412 |
val pI = ((map (de_esc_underscore o free2str)) o isalist2list) pI';
|
wneuper@59257
|
413 |
val mI = ((map (de_esc_underscore o free2str)) o isalist2list) mI';
|
wneuper@59257
|
414 |
val ags = isalist2list ags';
|
wneuper@59257
|
415 |
val (pI, pors, mI) =
|
wneuper@59257
|
416 |
if mI = ["no_met"]
|
wneuper@59257
|
417 |
then
|
wneuper@59257
|
418 |
let
|
wneuper@59257
|
419 |
val pors = (match_ags thy ((#ppc o get_pbt) pI) ags)
|
wneuper@59257
|
420 |
handle ERROR "actual args do not match formal args"
|
wneuper@59257
|
421 |
=> (match_ags_msg pI stac ags(*raise exn*);[]);
|
wneuper@59257
|
422 |
val pI' = refine_ori' pors pI;
|
wneuper@59257
|
423 |
in (pI', pors (*refinement over models with diff.prec only*), (hd o #met o get_pbt) pI')
|
wneuper@59257
|
424 |
end
|
wneuper@59257
|
425 |
else (pI, (match_ags thy ((#ppc o get_pbt) pI) ags)
|
wneuper@59257
|
426 |
handle ERROR "actual args do not match formal args"
|
wneuper@59257
|
427 |
=> (match_ags_msg pI stac ags(*raise exn*); []), mI);
|
wneuper@59257
|
428 |
val (fmz_, vals) = oris2fmz_vals pors;
|
wneuper@59257
|
429 |
val {cas, ppc, thy, ...} = get_pbt pI
|
wneuper@59257
|
430 |
val dI = theory2theory' thy (*take dI from _refined_ pbl*)
|
wneuper@59257
|
431 |
val dI = theory2theory' (maxthy (assoc_thy dI) (rootthy pt))
|
wneuper@59257
|
432 |
val ctxt = dI |> Thy_Info.get_theory |> Proof_Context.init_global |> declare_constraints' vals
|
wneuper@59257
|
433 |
val hdl =
|
wneuper@59257
|
434 |
case cas of
|
wneuper@59257
|
435 |
NONE => pblterm dI pI
|
wneuper@59257
|
436 |
| SOME t => subst_atomic ((vars_of_pbl_' ppc) ~~~ vals) t
|
wneuper@59257
|
437 |
val f = subpbl (strip_thy dI) pI
|
wneuper@59257
|
438 |
in
|
wneuper@59257
|
439 |
if domID = dI andalso pblID = pI
|
wneuper@59257
|
440 |
then Ass (Subproblem' ((dI, pI, mI), pors, hdl, fmz_, ctxt, f), f)
|
wneuper@59257
|
441 |
else NotAss
|
wneuper@59257
|
442 |
end
|
wneuper@59257
|
443 |
| assod _ _ m _ =
|
wneuper@59257
|
444 |
(if (!trace_script)
|
wneuper@59257
|
445 |
then tracing("@@@ the 'tac_' proposed to apply does NOT match the leaf found in the script:\n"
|
wneuper@59257
|
446 |
^ "@@@ tac_ = " ^ tac_2str m)
|
wneuper@59257
|
447 |
else ();
|
wneuper@59257
|
448 |
NotAss);
|
neuper@37906
|
449 |
|
wneuper@59257
|
450 |
fun tac_2tac (Refine_Tacitly' (pI, _, _, _, _)) = Refine_Tacitly pI
|
wneuper@59257
|
451 |
| tac_2tac (Model_Problem' (_, _, _)) = Model_Problem
|
wneuper@59257
|
452 |
| tac_2tac (Add_Given' (t, _)) = Add_Given t
|
wneuper@59257
|
453 |
| tac_2tac (Add_Find' (t, _)) = Add_Find t
|
wneuper@59257
|
454 |
| tac_2tac (Add_Relation' (t, _)) = Add_Relation t
|
neuper@37906
|
455 |
|
wneuper@59257
|
456 |
| tac_2tac (Specify_Theory' dI) = Specify_Theory dI
|
wneuper@59257
|
457 |
| tac_2tac (Specify_Problem' (dI, _)) = Specify_Problem dI
|
wneuper@59257
|
458 |
| tac_2tac (Specify_Method' (dI, _, _)) = Specify_Method dI
|
neuper@37906
|
459 |
|
wneuper@59253
|
460 |
| tac_2tac (Rewrite' (_, _, _, _, thm, _, _)) = Rewrite thm
|
wneuper@59253
|
461 |
| tac_2tac (Rewrite_Inst' (_, _, _, _, sub, thm, _, _)) = Rewrite_Inst (subst2subs sub, thm)
|
neuper@37906
|
462 |
|
wneuper@59257
|
463 |
| tac_2tac (Rewrite_Set' (_, _, rls, _, _)) = Rewrite_Set (id_rls rls)
|
wneuper@59257
|
464 |
| tac_2tac (Detail_Set' (_, _, rls, _, _)) = Detail_Set (id_rls rls)
|
neuper@37906
|
465 |
|
wneuper@59257
|
466 |
| tac_2tac (Rewrite_Set_Inst' (_, _, sub, rls, _, _)) =
|
wneuper@59257
|
467 |
Rewrite_Set_Inst (subst2subs sub,id_rls rls)
|
wneuper@59257
|
468 |
| tac_2tac (Detail_Set_Inst' (_, _, sub, rls, _, _)) =
|
wneuper@59257
|
469 |
Detail_Set_Inst (subst2subs sub,id_rls rls)
|
neuper@37906
|
470 |
|
wneuper@59257
|
471 |
| tac_2tac (Calculate' (_, op_, _, _)) = Calculate (op_)
|
wneuper@59257
|
472 |
| tac_2tac (Check_elementwise' (_, pred, _)) = Check_elementwise pred
|
neuper@37906
|
473 |
|
neuper@37906
|
474 |
| tac_2tac (Or_to_List' _) = Or_to_List
|
neuper@37906
|
475 |
| tac_2tac (Take' term) = Take (term2str term)
|
wneuper@59257
|
476 |
| tac_2tac (Substitute' (_, _, subte, _, _)) = Substitute (subte2sube subte)
|
wneuper@59257
|
477 |
| tac_2tac (Tac_ (_, _, id, _)) = Tac id
|
neuper@37906
|
478 |
|
neuper@42018
|
479 |
| tac_2tac (Subproblem' ((domID, pblID, _), _, _, _,_ ,_)) = Subproblem (domID, pblID)
|
neuper@42018
|
480 |
| tac_2tac (Check_Postcond' (pblID, _)) = Check_Postcond pblID
|
neuper@37906
|
481 |
| tac_2tac Empty_Tac_ = Empty_Tac
|
wneuper@59257
|
482 |
| tac_2tac m = error ("tac_2tac: not impl. for "^(tac_2str m));
|
neuper@37906
|
483 |
|
wneuper@59257
|
484 |
val idT = Type ("Script.ID", []);
|
neuper@37938
|
485 |
|
neuper@37906
|
486 |
fun make_rule thy t =
|
wneuper@59184
|
487 |
let val ct = Thm.global_cterm_of thy (Trueprop $ t)
|
wneuper@59186
|
488 |
in Thm (term_to_string''' thy (Thm.term_of ct), Thm.make_thm ct) end;
|
neuper@37906
|
489 |
|
wneuper@59257
|
490 |
fun rep_tac_ (Rewrite_Inst' (thy', _, _, put, subs, (thmID, _), f, (f', _))) =
|
wneuper@59257
|
491 |
let val fT = type_of f;
|
wneuper@59257
|
492 |
val b = if put then @{term True} else @{term False};
|
wneuper@59257
|
493 |
val sT = (type_of o fst o hd) subs;
|
wneuper@59257
|
494 |
val subs' = list2isalist (HOLogic.mk_prodT (sT, sT)) (map HOLogic.mk_prod subs);
|
wneuper@59257
|
495 |
val sT' = type_of subs';
|
wneuper@59257
|
496 |
val lhs = Const ("Script.Rewrite'_Inst", [sT', idT, bool, fT] ---> fT)
|
wneuper@59257
|
497 |
$ subs' $ Free (thmID, idT) $ b $ f;
|
wneuper@59257
|
498 |
in (((make_rule (assoc_thy thy')) o HOLogic.mk_eq) (lhs, f'), (lhs, f')) end
|
wneuper@59257
|
499 |
| rep_tac_ (Rewrite' (thy', _, _, put, (thmID, _), f, (f', _)))=
|
wneuper@59257
|
500 |
let
|
wneuper@59257
|
501 |
val fT = type_of f;
|
wneuper@59257
|
502 |
val b = if put then @{term True} else @{term False};
|
wneuper@59257
|
503 |
val lhs = Const ("Script.Rewrite", [idT, HOLogic.boolT, fT] ---> fT)
|
wneuper@59257
|
504 |
$ Free (thmID, idT) $ b $ f;
|
wneuper@59257
|
505 |
in (((make_rule (assoc_thy thy')) o HOLogic.mk_eq) (lhs, f'), (lhs, f')) end
|
wneuper@59257
|
506 |
| rep_tac_ (Rewrite_Set_Inst' (_, _, _, _, _, (f', _))) = (e_rule, (e_term, f'))
|
wneuper@59257
|
507 |
| rep_tac_ (Rewrite_Set' (thy', put, rls, f, (f', _))) =
|
wneuper@59257
|
508 |
let
|
wneuper@59257
|
509 |
val fT = type_of f;
|
wneuper@59257
|
510 |
val b = if put then @{term True} else @{term False};
|
wneuper@59257
|
511 |
val lhs = Const ("Script.Rewrite'_Set", [idT, bool, fT] ---> fT)
|
wneuper@59257
|
512 |
$ Free (id_rls rls, idT) $ b $ f;
|
wneuper@59257
|
513 |
in (((make_rule (assoc_thy thy')) o HOLogic.mk_eq) (lhs,f'),(lhs,f')) end
|
wneuper@59257
|
514 |
| rep_tac_ (Calculate' (thy', op_, f, (f', _)))=
|
wneuper@59257
|
515 |
let
|
wneuper@59257
|
516 |
val fT = type_of f;
|
wneuper@59257
|
517 |
val lhs = Const ("Script.Calculate",[idT,fT] ---> fT) $ Free (op_,idT) $ f
|
wneuper@59257
|
518 |
in (((make_rule (assoc_thy thy')) o HOLogic.mk_eq) (lhs,f'),(lhs,f')) end
|
wneuper@59257
|
519 |
| rep_tac_ (Check_elementwise' (_, _, (t', _))) = (Erule, (e_term, t'))
|
wneuper@59257
|
520 |
| rep_tac_ (Subproblem' (_, _, _, _, _, t')) = (Erule, (e_term, t'))
|
wneuper@59257
|
521 |
| rep_tac_ (Take' t') = (Erule, (e_term, t'))
|
wneuper@59257
|
522 |
| rep_tac_ (Substitute' (_, _, _, t, t')) = (Erule, (t, t'))
|
wneuper@59257
|
523 |
| rep_tac_ (Or_to_List' (t, t')) = (Erule, (t, t'))
|
wneuper@59257
|
524 |
| rep_tac_ m = error ("rep_tac_: not impl.for " ^ tac_2str m)
|
neuper@37906
|
525 |
|
wneuper@59257
|
526 |
fun tac_2res m = (snd o snd o rep_tac_) m;
|
neuper@37906
|
527 |
|
neuper@41996
|
528 |
(* handle a leaf at the end of recursive descent:
|
neuper@42360
|
529 |
a leaf is either a tactic or an 'expr' in "let v = expr"
|
neuper@42360
|
530 |
where "expr" does not contain a tactic.
|
neuper@42360
|
531 |
Handling a leaf comprises
|
neuper@37906
|
532 |
(1) 'subst_stacexpr' substitute env and complete curried tactic
|
neuper@37906
|
533 |
(2) rewrite the leaf by 'srls'
|
neuper@41996
|
534 |
*)
|
neuper@37906
|
535 |
fun handle_leaf call thy srls E a v t =
|
neuper@41996
|
536 |
(*WN050916 'upd_env_opt' is a blind copy from previous version*)
|
wneuper@59257
|
537 |
case subst_stacexpr E a v t of
|
wneuper@59257
|
538 |
(a', STac stac) => (*script-tactic*)
|
wneuper@59257
|
539 |
let val stac' =
|
wneuper@59257
|
540 |
eval_listexpr_ (assoc_thy thy) srls (subst_atomic (upd_env_opt E (a,v)) stac)
|
wneuper@59257
|
541 |
in
|
wneuper@59257
|
542 |
(if (! trace_script)
|
wneuper@59257
|
543 |
then tracing ("@@@ "^call^" leaf '"^term2str t^"' ---> STac '"^term2str stac ^"'")
|
wneuper@59257
|
544 |
else ();
|
wneuper@59257
|
545 |
(a', STac stac'))
|
wneuper@59257
|
546 |
end
|
wneuper@59257
|
547 |
| (a', Expr lexpr) => (*leaf-expression*)
|
wneuper@59257
|
548 |
let val lexpr' =
|
wneuper@59257
|
549 |
eval_listexpr_ (assoc_thy thy) srls (subst_atomic (upd_env_opt E (a,v)) lexpr)
|
wneuper@59257
|
550 |
in
|
wneuper@59257
|
551 |
(if (! trace_script)
|
wneuper@59257
|
552 |
then tracing("@@@ "^call^" leaf '"^term2str t^"' ---> Expr '"^term2str lexpr'^"'")
|
wneuper@59257
|
553 |
else ();
|
wneuper@59257
|
554 |
(a', Expr lexpr')) (*lexpr' is the value of the Expr*)
|
wneuper@59257
|
555 |
end;
|
neuper@37906
|
556 |
|
wneuper@59257
|
557 |
(** locate an applicable stac in a script **)
|
wneuper@59257
|
558 |
datatype assoc = (* ExprVal in the sense of denotational semantics *)
|
wneuper@59257
|
559 |
Assoc of (* the stac is associated, strongly or weakly *)
|
wneuper@59257
|
560 |
scrstate * (* the current; returned for next_tac etc. outside ass* *)
|
wneuper@59257
|
561 |
(step list) (* list of steps done until associated stac found;
|
wneuper@59257
|
562 |
initiated with the data for doing the 1st step,
|
wneuper@59257
|
563 |
thus the head holds these data further on,
|
wneuper@59257
|
564 |
while the tail holds steps finished (incl.scrstate in ptree) *)
|
wneuper@59257
|
565 |
| NasApp of (* stac not associated, but applicable, ptree-node generated *)
|
neuper@37906
|
566 |
scrstate * (step list)
|
wneuper@59257
|
567 |
| NasNap of (* stac not associated, not applicable, nothing generated;
|
wneuper@59257
|
568 |
for distinction in Or, for leaving iterations, leaving Seq,
|
wneuper@59257
|
569 |
evaluate scriptexpressions *)
|
neuper@37906
|
570 |
term * env;
|
wneuper@59257
|
571 |
fun assoc2str (Assoc _) = "Assoc"
|
wneuper@59257
|
572 |
| assoc2str (NasNap _) = "NasNap"
|
neuper@37906
|
573 |
| assoc2str (NasApp _) = "NasApp";
|
neuper@37906
|
574 |
|
wneuper@59257
|
575 |
datatype asap = (* arg. of assy _only_ for distinction w.r.t. Or *)
|
wneuper@59257
|
576 |
Aundef (* undefined: set only by (topmost) Or *)
|
wneuper@59257
|
577 |
| AssOnly (* do not execute appl stacs - there could be an associated
|
wneuper@59257
|
578 |
in parallel Or-branch *)
|
wneuper@59257
|
579 |
| AssGen; (* no Ass(Weak) found within Or, thus
|
wneuper@59257
|
580 |
search for _applicable_ stacs, execute and generate pt *)
|
wneuper@59257
|
581 |
(*this constructions doesnt allow arbitrary nesting of Or !!! *)
|
neuper@37906
|
582 |
|
wneuper@59257
|
583 |
(* assy, ass_up, astep_up scan for locate_gen in a script.
|
wneuper@59257
|
584 |
search is clearly separated into (1)-(2):
|
wneuper@59257
|
585 |
(1) assy is recursive descent;
|
wneuper@59257
|
586 |
(2) ass_up resumes interpretation at a location somewhere in the script;
|
wneuper@59257
|
587 |
astep_up does only get to the parentnode of the scriptexpr.
|
wneuper@59257
|
588 |
consequence:
|
wneuper@59257
|
589 |
* call of (2) means _always_ that in this branch below
|
wneuper@59257
|
590 |
there was an appl.stac (Repeat, Or e1, ...) found by the previous step.
|
wneuper@59257
|
591 |
*)
|
wneuper@59257
|
592 |
(*WN161112 blanks between list elements left as is until istate is introduced here*)
|
wneuper@59257
|
593 |
fun assy ya ((E,l,a,v,S,b),ss) (Const ("HOL.Let",_) $ e $ (Abs (id,T,body))) =
|
wneuper@59257
|
594 |
(case assy ya ((E , l @ [L, R], a,v,S,b),ss) e of
|
wneuper@59257
|
595 |
NasApp ((E',l,a,v,S,_),ss) =>
|
wneuper@59257
|
596 |
let
|
wneuper@59257
|
597 |
val id' = mk_Free (id, T);
|
wneuper@59257
|
598 |
val E' = upd_env E' (id', v);
|
wneuper@59257
|
599 |
in assy ya ((E', l @ [R, D], a,v,S,b),ss) body end
|
wneuper@59257
|
600 |
| NasNap (v,E) =>
|
wneuper@59257
|
601 |
let
|
wneuper@59257
|
602 |
val id' = mk_Free (id, T);
|
wneuper@59257
|
603 |
val E' = upd_env E (id', v);
|
wneuper@59257
|
604 |
in assy ya ((E', l @ [R, D], a,v,S,b),ss) body end
|
wneuper@59257
|
605 |
| ay => ay)
|
wneuper@59257
|
606 |
| assy (ya as (thy,_,srls,_,_)) ((E,l,_,v,S,b),ss) (Const ("Script.While",_) $ c $ e $ a) =
|
wneuper@59257
|
607 |
if eval_true_ thy srls (subst_atomic (upd_env E (a,v)) c)
|
wneuper@59257
|
608 |
then assy ya ((E, l @ [L, R], SOME a,v,S,b),ss) e
|
wneuper@59257
|
609 |
else NasNap (v, E)
|
wneuper@59257
|
610 |
| assy (ya as (thy,_,srls,_,_)) ((E,l,a,v,S,b),ss) (Const ("Script.While",_) $ c $ e) =
|
wneuper@59257
|
611 |
if eval_true_ thy srls (subst_atomic (upd_env_opt E (a,v)) c)
|
wneuper@59257
|
612 |
then assy ya ((E, l @ [R], a,v,S,b),ss) e
|
wneuper@59257
|
613 |
else NasNap (v, E)
|
wneuper@59257
|
614 |
| assy (ya as (thy,_,srls,_,_)) ((E,l,a,v,S,b),ss) (Const ("If",_) $ c $ e1 $ e2) =
|
wneuper@59257
|
615 |
if eval_true_ thy srls (subst_atomic (upd_env_opt E (a,v)) c)
|
wneuper@59257
|
616 |
then assy ya ((E, l @ [L, R], a,v,S,b),ss) e1
|
wneuper@59257
|
617 |
else assy ya ((E, l @ [R], a,v,S,b),ss) e2
|
wneuper@59257
|
618 |
| assy ya ((E,l,_,v,S,b),ss) (Const ("Script.Try",_) $ e $ a) =
|
wneuper@59257
|
619 |
(case assy ya ((E, l @ [L, R], SOME a,v,S,b),ss) e of ay => ay)
|
wneuper@59257
|
620 |
| assy ya ((E,l,a,v,S,b),ss) (Const ("Script.Try",_) $ e) =
|
wneuper@59257
|
621 |
(case assy ya ((E, l @ [R], a,v,S,b),ss) e of ay => ay)
|
wneuper@59257
|
622 |
| assy ya ((E,l,_,v,S,b),ss) (Const ("Script.Seq",_) $e1 $ e2 $ a) =
|
wneuper@59257
|
623 |
(case assy ya ((E, l @ [L, L, R], SOME a,v,S,b),ss) e1 of
|
wneuper@59257
|
624 |
NasNap (v, E) => assy ya ((E, l @ [L, R], SOME a,v,S,b),ss) e2
|
wneuper@59257
|
625 |
| NasApp ((E,_,_,v,_,_),ss) => assy ya ((E, l @ [L, R], SOME a,v,S,b),ss) e2
|
wneuper@59257
|
626 |
| ay => ay)
|
wneuper@59257
|
627 |
| assy ya ((E,l,a,v,S,b),ss) (Const ("Script.Seq",_) $e1 $ e2) =
|
wneuper@59257
|
628 |
(case assy ya ((E, l @ [L, R], a,v,S,b),ss) e1 of
|
wneuper@59257
|
629 |
NasNap (v, E) => assy ya ((E, l @ [R], a,v,S,b),ss) e2
|
wneuper@59257
|
630 |
| NasApp ((E,_,_,v,_,_),ss) => assy ya ((E, l @ [R], a,v,S,b),ss) e2
|
wneuper@59257
|
631 |
| ay => ay)
|
wneuper@59257
|
632 |
| assy ya ((E,l,_,v,S,b),ss) (Const ("Script.Repeat",_) $ e $ a) =
|
wneuper@59257
|
633 |
assy ya ((E,(l @ [L, R]),SOME a,v,S,b),ss) e
|
wneuper@59257
|
634 |
| assy ya ((E,l,a,v,S,b),ss) (Const ("Script.Repeat",_) $ e) =
|
wneuper@59257
|
635 |
assy ya ((E,(l @ [R]),a,v,S,b),ss) e
|
wneuper@59257
|
636 |
| assy (y,x,s,sc,Aundef) ((E,l,_,v,S,b),ss) (Const ("Script.Or",_) $e1 $ e2 $ a) =
|
wneuper@59257
|
637 |
(case assy (y,x,s,sc,AssOnly) ((E,(l @ [L, L, R]),SOME a,v,S,b),ss) e1 of
|
wneuper@59257
|
638 |
NasNap (v, E) =>
|
wneuper@59257
|
639 |
(case assy (y,x,s,sc,AssOnly) ((E,(l @ [L, R]),SOME a,v,S,b),ss) e2 of
|
wneuper@59257
|
640 |
NasNap (v, E) =>
|
wneuper@59257
|
641 |
(case assy (y,x,s,sc,AssGen) ((E,(l @ [L, L, R]),SOME a,v,S,b),ss) e1 of
|
wneuper@59257
|
642 |
NasNap (v, E) =>
|
wneuper@59257
|
643 |
assy (y,x,s,sc,AssGen) ((E, (l @ [L, R]), SOME a,v,S,b),ss) e2
|
wneuper@59257
|
644 |
| ay => ay)
|
wneuper@59257
|
645 |
| ay =>ay)
|
wneuper@59257
|
646 |
| NasApp _ => error ("assy: FIXXXME ///must not return NasApp///")
|
wneuper@59257
|
647 |
| ay => (ay))
|
wneuper@59257
|
648 |
| assy ya ((E,l,a,v,S,b),ss) (Const ("Script.Or",_) $e1 $ e2) =
|
wneuper@59257
|
649 |
(case assy ya ((E,(l @ [L, R]),a,v,S,b),ss) e1 of
|
wneuper@59257
|
650 |
NasNap (v, E) => assy ya ((E,(l @ [R]),a,v,S,b),ss) e2
|
wneuper@59257
|
651 |
| ay => (ay))
|
wneuper@59257
|
652 |
(*here is not a tactical like TRY etc, but a tactic creating a step in calculation*)
|
wneuper@59257
|
653 |
| assy (thy',ctxt,sr,d,ap) ((E,l,a,v,S,_), (m,_,pt,(p,p_),c)::ss) t =
|
wneuper@59257
|
654 |
(case handle_leaf "locate" thy' sr E a v t of
|
wneuper@59257
|
655 |
(a', Expr _) =>
|
wneuper@59257
|
656 |
(NasNap (eval_listexpr_ (assoc_thy thy') sr
|
wneuper@59257
|
657 |
(subst_atomic (upd_env_opt E (a',v)) t), E))
|
wneuper@59257
|
658 |
| (a', STac stac) =>
|
wneuper@59257
|
659 |
let
|
wneuper@59257
|
660 |
val p' =
|
wneuper@59257
|
661 |
case p_ of Frm => p
|
wneuper@59257
|
662 |
| Res => lev_on p
|
wneuper@59257
|
663 |
| _ => error ("assy: call by " ^ pos'2str (p,p_));
|
wneuper@59257
|
664 |
in
|
wneuper@59257
|
665 |
case assod pt d m stac of
|
wneuper@59257
|
666 |
Ass (m,v') =>
|
wneuper@59257
|
667 |
let val (p'',c',f',pt') =
|
wneuper@59257
|
668 |
generate1 (assoc_thy thy') m (ScrState (E,l,a',v',S,true), ctxt) (p',p_) pt;
|
wneuper@59257
|
669 |
in Assoc ((E,l,a',v',S,true), (m,f',pt',p'',c @ c')::ss) end
|
wneuper@59257
|
670 |
| AssWeak (m,v') =>
|
wneuper@59257
|
671 |
let val (p'',c',f',pt') =
|
wneuper@59257
|
672 |
generate1 (assoc_thy thy') m (ScrState (E,l,a',v',S,false), ctxt) (p',p_) pt;
|
wneuper@59257
|
673 |
in Assoc ((E,l,a',v',S,false), (m,f',pt',p'',c @ c')::ss) end
|
wneuper@59257
|
674 |
| NotAss =>
|
wneuper@59257
|
675 |
(case ap of (*switch for Or: 1st AssOnly, 2nd AssGen*)
|
wneuper@59257
|
676 |
AssOnly => (NasNap (v, E))
|
wneuper@59257
|
677 |
| _ =>
|
wneuper@59257
|
678 |
(case applicable_in (p,p_) pt (stac2tac pt (assoc_thy thy') stac) of
|
wneuper@59257
|
679 |
Appl m' =>
|
wneuper@59257
|
680 |
let
|
wneuper@59257
|
681 |
val is = (E,l,a',tac_2res m',S,false(*FIXXXME.WN0?*))
|
wneuper@59257
|
682 |
val (p'',c',f',pt') =
|
wneuper@59257
|
683 |
generate1 (assoc_thy thy') m' (ScrState is, ctxt) (p',p_) pt;
|
wneuper@59257
|
684 |
in NasApp (is,(m,f',pt',p'',c @ c')::ss) end
|
wneuper@59257
|
685 |
| Notappl _ => (NasNap (v, E))
|
wneuper@59257
|
686 |
)
|
wneuper@59257
|
687 |
)
|
wneuper@59257
|
688 |
end)
|
wneuper@59257
|
689 |
| assy _ (_, []) t = error ("assy: uncovered fun-def with " ^ term2str t);
|
neuper@37906
|
690 |
|
wneuper@59257
|
691 |
(*WN161112 blanks between list elements left as is until istate is introduced here*)
|
wneuper@59257
|
692 |
fun ass_up (ys as (y,ctxt,s,Prog sc,d)) ((E,l,a,v,S,b),ss) (Const ("HOL.Let",_) $ _) =
|
wneuper@59257
|
693 |
let
|
wneuper@59257
|
694 |
val l = drop_last l; (*comes from e, goes to Abs*)
|
wneuper@59257
|
695 |
val (i, T, body) =
|
wneuper@59257
|
696 |
(case go l sc of
|
wneuper@59257
|
697 |
Const ("HOL.Let",_) $ _ $ (Abs (i, T, body)) => (i, T, body)
|
wneuper@59257
|
698 |
| t => error ("ass_up..HOL.Let $ _ with " ^ term2str t))
|
wneuper@59257
|
699 |
val i = mk_Free (i, T);
|
wneuper@59257
|
700 |
val E = upd_env E (i, v);
|
wneuper@59257
|
701 |
in case assy (y,ctxt,s,d,Aundef) ((E, l @ [R, D], a,v,S,b),ss) body of
|
wneuper@59257
|
702 |
Assoc iss => Assoc iss
|
wneuper@59257
|
703 |
| NasApp iss => astep_up ys iss
|
wneuper@59257
|
704 |
| NasNap (v, E) => astep_up ys ((E,l,a,v,S,b),ss)
|
wneuper@59257
|
705 |
end
|
wneuper@59257
|
706 |
| ass_up ys iss (Abs (_,_,_)) = astep_up ys iss (*TODO 5.9.00: env ?*)
|
wneuper@59257
|
707 |
| ass_up ys iss (Const ("HOL.Let",_) $ _ $ (Abs _)) = astep_up ys iss (*TODO 5.9.00: env ?*)
|
wneuper@59257
|
708 |
| ass_up ysa iss (Const ("Script.Seq",_) $ _ $ _ $ _) =
|
wneuper@59257
|
709 |
astep_up ysa iss (*all has been done in (*2*) below*)
|
wneuper@59257
|
710 |
| ass_up ysa iss (Const ("Script.Seq",_) $ _ $ _) =
|
wneuper@59257
|
711 |
astep_up ysa iss (*2*: comes from e2*)
|
neuper@37906
|
712 |
|
wneuper@59257
|
713 |
| ass_up (ysa as (y,ctxt,s,Prog sc,d)) ((E,l,a,v,S,b),ss)
|
wneuper@59257
|
714 |
(Const ("Script.Seq",_) $ _ ) = (*2*: comes from e1, goes to e2*)
|
wneuper@59257
|
715 |
let
|
wneuper@59257
|
716 |
val up = drop_last l;
|
wneuper@59257
|
717 |
val e2 =
|
wneuper@59257
|
718 |
(case go up sc of
|
wneuper@59257
|
719 |
Const ("Script.Seq",_) $ _ $ e2 => e2
|
wneuper@59257
|
720 |
| t => error ("ass_up..Script.Seq $ _ with " ^ term2str t))
|
wneuper@59257
|
721 |
in case assy (y,ctxt,s,d,Aundef) ((E, up @ [R], a,v,S,b),ss) e2 of
|
wneuper@59257
|
722 |
NasNap (v,E) => astep_up ysa ((E,up,a,v,S,b),ss)
|
wneuper@59257
|
723 |
| NasApp iss => astep_up ysa iss
|
wneuper@59257
|
724 |
| ay => ay
|
wneuper@59257
|
725 |
end
|
wneuper@59257
|
726 |
| ass_up ysa iss (Const ("Script.Try",_) $ _ $ _) = astep_up ysa iss
|
wneuper@59257
|
727 |
| ass_up ysa iss (Const ("Script.Try",_) $ _) = astep_up ysa iss
|
neuper@42282
|
728 |
| ass_up (ys as (y,ctxt,s,_,d)) ((E,l,_,v,S,b),ss)
|
neuper@37906
|
729 |
(*(Const ("Script.While",_) $ c $ e $ a) = WN050930 blind fix*)
|
wneuper@59257
|
730 |
(t as Const ("Script.While",_) $ c $ e $ a) =
|
wneuper@59257
|
731 |
if eval_true_ y s (subst_atomic (upd_env E (a,v)) c)
|
wneuper@59257
|
732 |
then case assy (y,ctxt,s,d,Aundef) ((E, l @ [L, R], SOME a,v,S,b),ss) e of
|
wneuper@59257
|
733 |
NasNap (v,E') => astep_up ys ((E',l, SOME a,v,S,b),ss)
|
wneuper@59257
|
734 |
| NasApp ((E',l,a,v,S,b),ss) =>
|
wneuper@59257
|
735 |
ass_up ys ((E',l,a,v,S,b),ss) t (*WN050930 't' was not assigned*)
|
wneuper@59257
|
736 |
| ay => ay
|
neuper@37926
|
737 |
else astep_up ys ((E,l, SOME a,v,S,b),ss)
|
neuper@42282
|
738 |
| ass_up (ys as (y,ctxt,s,_,d)) ((E,l,a,v,S,b),ss)
|
neuper@37906
|
739 |
(*(Const ("Script.While",_) $ c $ e) = WN050930 blind fix*)
|
wneuper@59257
|
740 |
(t as Const ("Script.While",_) $ c $ e) =
|
neuper@37906
|
741 |
if eval_true_ y s (subst_atomic (upd_env_opt E (a,v)) c)
|
wneuper@59257
|
742 |
then case assy (y,ctxt,s,d,Aundef) ((E, l @ [R], a,v,S,b),ss) e of
|
neuper@37906
|
743 |
NasNap (v,E') => astep_up ys ((E',l, a,v,S,b),ss)
|
neuper@37906
|
744 |
| NasApp ((E',l,a,v,S,b),ss) =>
|
neuper@37906
|
745 |
ass_up ys ((E',l,a,v,S,b),ss) t (*WN050930 't' was not assigned*)
|
wneuper@59257
|
746 |
| ay => ay
|
wneuper@59257
|
747 |
else astep_up ys ((E,l, a,v,S,b),ss)
|
wneuper@59257
|
748 |
| ass_up y iss (Const ("If",_) $ _ $ _ $ _) = astep_up y iss
|
wneuper@59257
|
749 |
| ass_up (ys as (y,ctxt,s,_,d)) ((E,l,_,v,S,b),ss)
|
wneuper@59257
|
750 |
(t as Const ("Script.Repeat",_) $ e $ a) =
|
wneuper@59257
|
751 |
(case assy (y,ctxt,s,d, Aundef) ((E, (l @ [L, R]), SOME a,v,S,b),ss) e of
|
wneuper@59257
|
752 |
NasNap (v,E') => astep_up ys ((E',l, SOME a,v,S,b),ss)
|
wneuper@59257
|
753 |
| NasApp ((E',l,a,v,S,b),ss) =>
|
wneuper@59257
|
754 |
ass_up ys ((E',l,a,v,S,b),ss) t
|
wneuper@59257
|
755 |
| ay => ay)
|
wneuper@59257
|
756 |
| ass_up (ys as (y,ctxt,s,_,d)) ((E,l,a,v,S,b),ss)
|
wneuper@59257
|
757 |
(t as Const ("Script.Repeat",_) $ e) =
|
wneuper@59257
|
758 |
(case assy (y,ctxt,s,d,Aundef) ((E, (l @ [R]), a,v,S,b),ss) e of
|
wneuper@59257
|
759 |
NasNap (v', E') => astep_up ys ((E',l,a,v',S,b),ss)
|
wneuper@59257
|
760 |
| NasApp ((E',l,a,v',S,_),ss) => ass_up ys ((E',l,a,v',S,b),ss) t
|
neuper@37906
|
761 |
| ay => ay)
|
neuper@37906
|
762 |
| ass_up y iss (Const ("Script.Or",_) $ _ $ _ $ _) = astep_up y iss
|
neuper@37906
|
763 |
| ass_up y iss (Const ("Script.Or",_) $ _ $ _) = astep_up y iss
|
neuper@37906
|
764 |
| ass_up y ((E,l,a,v,S,b),ss) (Const ("Script.Or",_) $ _ ) =
|
neuper@37906
|
765 |
astep_up y ((E, (drop_last l), a,v,S,b),ss)
|
wneuper@59257
|
766 |
| ass_up _ _ t =
|
wneuper@59257
|
767 |
error ("ass_up not impl for t= " ^ term2str t)
|
neuper@48763
|
768 |
and astep_up (ys as (_,_,_,Prog sc,_)) ((E,l,a,v,S,b),ss) =
|
neuper@37906
|
769 |
if 1 < length l
|
wneuper@59257
|
770 |
then
|
wneuper@59257
|
771 |
let val up = drop_last l;
|
wneuper@59257
|
772 |
in ass_up ys ((E,up,a,v,S,b),ss) (go up sc) end
|
neuper@37906
|
773 |
else (NasNap (v, E))
|
wneuper@59257
|
774 |
| astep_up _ ((_,l,_,_,_,_),_) = error ("astep_up: uncovered fun-def with " ^ loc_2str l)
|
neuper@37906
|
775 |
|
neuper@37906
|
776 |
(*check if there are tacs for rewriting only*)
|
neuper@37906
|
777 |
fun rew_only ([]:step list) = true
|
neuper@37906
|
778 |
| rew_only (((Rewrite' _ ,_,_,_,_))::ss) = rew_only ss
|
neuper@37906
|
779 |
| rew_only (((Rewrite_Inst' _ ,_,_,_,_))::ss) = rew_only ss
|
neuper@37906
|
780 |
| rew_only (((Rewrite_Set' _ ,_,_,_,_))::ss) = rew_only ss
|
neuper@37906
|
781 |
| rew_only (((Rewrite_Set_Inst' _ ,_,_,_,_))::ss) = rew_only ss
|
neuper@37906
|
782 |
| rew_only (((Calculate' _ ,_,_,_,_))::ss) = rew_only ss
|
neuper@37906
|
783 |
| rew_only (((Begin_Trans' _ ,_,_,_,_))::ss) = rew_only ss
|
neuper@37906
|
784 |
| rew_only (((End_Trans' _ ,_,_,_,_))::ss) = rew_only ss
|
neuper@37906
|
785 |
| rew_only _ = false;
|
neuper@37906
|
786 |
|
neuper@37906
|
787 |
datatype locate =
|
wneuper@59257
|
788 |
Steps of istate (* producing hd of step list (which was latest)
|
wneuper@59257
|
789 |
for next_tac, for reporting Safe|Unsafe to DG *)
|
wneuper@59257
|
790 |
* step (* (scrstate producing this step is in ptree !) *)
|
wneuper@59257
|
791 |
list (* locate_gen may produce intermediate steps *)
|
wneuper@59257
|
792 |
| NotLocatable; (* no (m Ass m') or (m AssWeak m') found *)
|
neuper@37906
|
793 |
|
neuper@37906
|
794 |
(* locate_gen tries to locate an input tac m in the script.
|
neuper@37906
|
795 |
pursuing this goal the script is executed until an (m' equiv m) is found,
|
neuper@37906
|
796 |
or the end of the script
|
neuper@37906
|
797 |
args
|
neuper@37906
|
798 |
m : input by the user, already checked by applicable_in,
|
neuper@37906
|
799 |
(to be searched within Or; and _not_ an m doing the step on ptree !)
|
neuper@37906
|
800 |
p,pt: (incl ets) at the time of input
|
neuper@37906
|
801 |
scr : the script
|
neuper@37906
|
802 |
d : canonical simplifier for locating Take, Substitute, Subproblems etc.
|
neuper@37906
|
803 |
ets : ets at the time of input
|
neuper@37906
|
804 |
l : the location (in scr) of the stac which generated the current formula
|
neuper@37906
|
805 |
returns
|
neuper@37906
|
806 |
Steps: pt,p (incl. ets) with m done
|
neuper@37906
|
807 |
pos' list of proofobjs cut (from generate)
|
neuper@37906
|
808 |
safe: implied from last proofobj
|
neuper@37906
|
809 |
ets:
|
neuper@37906
|
810 |
///ToDo : ets contains a list of tacs to be done before m can be done
|
neuper@37906
|
811 |
NOT IMPL. -- "error: do other step before"
|
neuper@37906
|
812 |
NotLocatable: thus generate_hard
|
neuper@37906
|
813 |
*)
|
wneuper@59257
|
814 |
(*WN161112 blanks between list elements left as is until istate is introduced here*)
|
wneuper@59257
|
815 |
fun locate_gen (thy', _) (Rewrite' (_, ro, er, pa, thm, f, _)) (pt, p)
|
wneuper@59257
|
816 |
(Rfuns {locate_rule=lo,...}, _) (RrlsState (_,f'',rss,rts), _) =
|
wneuper@59257
|
817 |
(case lo rss f (Thm thm) of
|
wneuper@59257
|
818 |
[] => NotLocatable
|
wneuper@59257
|
819 |
| rts' => Steps (rts2steps [] ((pt,p),(f,f'',rss,rts),(thy',ro,er,pa)) rts'))
|
neuper@42282
|
820 |
| locate_gen (thy',srls) (m:tac_) ((pt,p):ptree * pos')
|
wneuper@59257
|
821 |
(scr as Prog (_ $ body),d) (ScrState (E,l,a,v,S,b), ctxt) =
|
wneuper@59257
|
822 |
let val thy = assoc_thy thy';
|
wneuper@59257
|
823 |
in case if l = [] orelse (
|
wneuper@59257
|
824 |
(*init.in solve..Apply_Method...*)(last_elem o fst) p = 0 andalso snd p = Res)
|
wneuper@59257
|
825 |
then (assy (thy',ctxt,srls,d,Aundef) ((E,[R],a,v,S,b), [(m,EmptyMout,pt,p,[])]) body)
|
wneuper@59257
|
826 |
else (astep_up (thy',ctxt,srls,scr,d) ((E,l,a,v,S,b), [(m,EmptyMout,pt,p,[])]) ) of
|
wneuper@59257
|
827 |
Assoc ((is as (_,_,_,_,_,strong_ass), ss as (_ :: _))) =>
|
wneuper@59257
|
828 |
(if strong_ass
|
wneuper@59257
|
829 |
then (Steps (ScrState is, ss))
|
wneuper@59257
|
830 |
else
|
wneuper@59257
|
831 |
if rew_only ss (*andalso 'not strong_ass'= associated weakly*)
|
wneuper@59257
|
832 |
then
|
wneuper@59257
|
833 |
let
|
wneuper@59257
|
834 |
val (po,p_) = p
|
wneuper@59257
|
835 |
val po' = case p_ of Frm => po | Res => lev_on po | _ => error ("locate_gen " ^ pos_2str p_)
|
wneuper@59257
|
836 |
val (p'',c'',f'',pt'') = generate1 thy m (ScrState is, ctxt) (po',p_) pt
|
wneuper@59257
|
837 |
in Steps (ScrState is, [(m, f'',pt'',p'',c'')]) end
|
wneuper@59257
|
838 |
else Steps (ScrState is, ss))
|
wneuper@59257
|
839 |
|
wneuper@59257
|
840 |
| NasApp _ => NotLocatable
|
wneuper@59257
|
841 |
| err => error ("not-found-in-script: NotLocatable from " ^ PolyML.makestring err)
|
wneuper@59257
|
842 |
end
|
bonzai@41951
|
843 |
| locate_gen _ m _ (sc,_) (is, _) =
|
wneuper@59257
|
844 |
error ("locate_gen: wrong arguments,\n tac= " ^ tac_2str m ^ ",\n " ^
|
wneuper@59257
|
845 |
"scr= " ^ scr2str sc ^ ",\n istate= " ^ istate2str is);
|
neuper@37906
|
846 |
|
neuper@37906
|
847 |
(** find the next stactic in a script **)
|
neuper@37906
|
848 |
|
neuper@37906
|
849 |
(*appy, nxt_up, nstep_up scanning for next_tac.
|
neuper@37906
|
850 |
search is clearly separated into (1)-(2):
|
neuper@37906
|
851 |
(1) appy is recursive descent;
|
neuper@37906
|
852 |
(2) nxt_up resumes interpretation at a location somewhere in the script;
|
neuper@37906
|
853 |
nstep_up does only get to the parentnode of the scriptexpr.
|
neuper@37906
|
854 |
consequence:
|
neuper@37906
|
855 |
* call of (2) means _always_ that in this branch below
|
neuper@37906
|
856 |
there was an applicable stac (Repeat, Or e1, ...)
|
neuper@37906
|
857 |
*)
|
wneuper@59257
|
858 |
datatype appy = (* ExprVal in the sense of denotational semantics *)
|
wneuper@59257
|
859 |
Appy of (* applicable stac found, search stalled *)
|
wneuper@59257
|
860 |
tac_ * (* tac_ associated (fun assod) with stac *)
|
wneuper@59257
|
861 |
scrstate (* after determination of stac WN.18.8.03 *)
|
wneuper@59257
|
862 |
| Napp of (* stac found was not applicable;
|
wneuper@59257
|
863 |
this mode may become Skip in Repeat, Try and Or *)
|
wneuper@59257
|
864 |
env (*stack*)(* popped while nxt_up *)
|
wneuper@59257
|
865 |
| Skip of (* for restart after Appy, for leaving iterations,
|
wneuper@59257
|
866 |
for passing the value of scriptexpressions,
|
wneuper@59257
|
867 |
and for finishing the script successfully *)
|
wneuper@59257
|
868 |
term * env (*stack*);
|
neuper@37906
|
869 |
|
wneuper@59257
|
870 |
datatype appy_ = (* as argument in nxt_up, nstep_up, from appy *)
|
wneuper@59257
|
871 |
(*Appy is only (final) returnvalue, not argument during search *)
|
wneuper@59257
|
872 |
Napp_ (* ev. detects 'script is not appropriate for this example' *)
|
wneuper@59257
|
873 |
| Skip_; (* detects 'script successfully finished'
|
wneuper@59257
|
874 |
also used as init-value for resuming; this works,
|
wneuper@59257
|
875 |
because 'nxt_up Or e1' treats as Appy *)
|
neuper@37906
|
876 |
|
wneuper@59257
|
877 |
fun appy thy ptp E l (Const ("HOL.Let",_) $ e $ (Abs (i,T,b))) a v =
|
wneuper@59257
|
878 |
(case appy thy ptp E (l @ [L, R]) e a v of
|
wneuper@59257
|
879 |
Skip (res, E) =>
|
wneuper@59257
|
880 |
let val E' = upd_env E (Free (i,T), res);
|
wneuper@59257
|
881 |
in appy thy ptp E' (l @ [R, D]) b a v end
|
wneuper@59257
|
882 |
| ay => ay)
|
wneuper@59257
|
883 |
| appy (thy as (th,sr)) ptp E l (Const ("Script.While"(*1*),_) $ c $ e $ a) _ v =
|
wneuper@59257
|
884 |
(if eval_true_ th sr (subst_atomic (upd_env E (a,v)) c)
|
wneuper@59257
|
885 |
then appy thy ptp E (l @ [L, R]) e (SOME a) v
|
wneuper@59257
|
886 |
else Skip (v, E))
|
wneuper@59257
|
887 |
| appy (thy as (th,sr)) ptp E l (Const ("Script.While"(*2*),_) $ c $ e) a v =
|
wneuper@59257
|
888 |
(if eval_true_ th sr (subst_atomic (upd_env_opt E (a,v)) c)
|
wneuper@59257
|
889 |
then appy thy ptp E (l @ [R]) e a v
|
wneuper@59257
|
890 |
else Skip (v, E))
|
wneuper@59257
|
891 |
| appy (thy as (th,sr)) ptp E l (Const ("If",_) $ c $ e1 $ e2) a v =
|
wneuper@59257
|
892 |
(if eval_true_ th sr (subst_atomic (upd_env_opt E (a,v)) c)
|
wneuper@59257
|
893 |
then appy thy ptp E (l @ [L, R]) e1 a v
|
wneuper@59257
|
894 |
else appy thy ptp E (l @ [R]) e2 a v)
|
neuper@42007
|
895 |
| appy thy ptp E l (Const ("Script.Repeat"(*1*),_) $ e $ a) _ v =
|
wneuper@59257
|
896 |
appy thy ptp E (l @ [L, R]) e (SOME a) v
|
wneuper@59257
|
897 |
| appy thy ptp E l (Const ("Script.Repeat"(*2*),_) $ e) a v = appy thy ptp E (l @ [R]) e a v
|
wneuper@59257
|
898 |
| appy thy ptp E l (Const ("Script.Try",_) $ e $ a) _ v =
|
wneuper@59257
|
899 |
(case appy thy ptp E (l @ [L, R]) e (SOME a) v of
|
wneuper@59257
|
900 |
Napp E => (Skip (v, E))
|
wneuper@59257
|
901 |
| ay => ay)
|
wneuper@59257
|
902 |
| appy thy ptp E l(Const ("Script.Try",_) $ e) a v =
|
wneuper@59257
|
903 |
(case appy thy ptp E (l @ [R]) e a v of
|
wneuper@59257
|
904 |
Napp E => (Skip (v, E))
|
wneuper@59257
|
905 |
| ay => ay)
|
neuper@42007
|
906 |
| appy thy ptp E l (Const ("Script.Or"(*1*),_) $e1 $ e2 $ a) _ v =
|
wneuper@59257
|
907 |
(case appy thy ptp E (l @ [L, L, R]) e1 (SOME a) v of
|
wneuper@59257
|
908 |
Appy lme => Appy lme
|
wneuper@59257
|
909 |
| _ => appy thy ptp E (*env*) (l @ [L, R]) e2 (SOME a) v)
|
neuper@42007
|
910 |
| appy thy ptp E l (Const ("Script.Or"(*2*),_) $e1 $ e2) a v =
|
wneuper@59257
|
911 |
(case appy thy ptp E (l @ [L, R]) e1 a v of
|
wneuper@59257
|
912 |
Appy lme => Appy lme
|
wneuper@59257
|
913 |
| _ => appy thy ptp E (l @ [R]) e2 a v)
|
neuper@42007
|
914 |
| appy thy ptp E l (Const ("Script.Seq"(*1*),_) $ e1 $ e2 $ a) _ v =
|
wneuper@59257
|
915 |
(case appy thy ptp E (l @ [L, L, R]) e1 (SOME a) v of
|
wneuper@59257
|
916 |
Skip (v,E) => appy thy ptp E (l @ [L, R]) e2 (SOME a) v
|
wneuper@59257
|
917 |
| ay => ay)
|
neuper@42007
|
918 |
| appy thy ptp E l (Const ("Script.Seq",_) $ e1 $ e2) a v =
|
wneuper@59257
|
919 |
(case appy thy ptp E (l @ [L,R]) e1 a v of
|
wneuper@59257
|
920 |
Skip (v,E) => appy thy ptp E (l @ [R]) e2 a v
|
wneuper@59257
|
921 |
| ay => ay)
|
neuper@42007
|
922 |
(* a leaf has been found *)
|
wneuper@59257
|
923 |
| appy ((th,sr)) (pt, p) E l t a v =
|
wneuper@59257
|
924 |
case handle_leaf "next " th sr E a v t of
|
wneuper@59257
|
925 |
(_, Expr s) => Skip (s, E)
|
wneuper@59257
|
926 |
| (a', STac stac) =>
|
wneuper@59257
|
927 |
let val (m,m') = stac2tac_ pt (assoc_thy th) stac
|
wneuper@59257
|
928 |
in case m of
|
wneuper@59257
|
929 |
Subproblem _ => Appy (m', (E,l,a',tac_2res m',Sundef,false))
|
wneuper@59257
|
930 |
| _ =>
|
wneuper@59257
|
931 |
(case applicable_in p pt m of
|
wneuper@59257
|
932 |
Appl m' => (Appy (m', (E,l,a',tac_2res m',Sundef,false)))
|
wneuper@59257
|
933 |
| _ => Napp E)
|
wneuper@59257
|
934 |
end
|
wneuper@59257
|
935 |
(*GOON*)
|
wneuper@59257
|
936 |
fun nxt_up thy ptp (scr as (Prog sc)) E l ay (Const ("HOL.Let", _) $ _) a v = (*comes from let=...*)
|
neuper@37906
|
937 |
if ay = Napp_
|
neuper@37906
|
938 |
then nstep_up thy ptp scr E (drop_last l) Napp_ a v
|
neuper@37906
|
939 |
else (*Skip_*)
|
wneuper@59257
|
940 |
let
|
wneuper@59257
|
941 |
val up = drop_last l
|
wneuper@59257
|
942 |
val (i, T, body) =
|
wneuper@59257
|
943 |
(case go up sc of
|
wneuper@59257
|
944 |
Const ("HOL.Let",_) $ _ $ (Abs aa) => aa
|
wneuper@59257
|
945 |
| t => error ("nxt_up..HOL.Let $ _ with " ^ term2str t))
|
wneuper@59257
|
946 |
val i = mk_Free (i, T)
|
wneuper@59257
|
947 |
val E = upd_env E (i, v)
|
wneuper@59257
|
948 |
in
|
wneuper@59257
|
949 |
case appy thy ptp E (up @ [R,D]) body a v of
|
wneuper@59257
|
950 |
Appy lre => Appy lre
|
wneuper@59257
|
951 |
| Napp E => nstep_up thy ptp scr E up Napp_ a v
|
wneuper@59257
|
952 |
| Skip (v,E) => nstep_up thy ptp scr E up Skip_ a v
|
wneuper@59257
|
953 |
end
|
wneuper@59257
|
954 |
| nxt_up thy ptp scr E l ay (Abs _) a v = nstep_up thy ptp scr E l ay a v
|
wneuper@59257
|
955 |
| nxt_up thy ptp scr E l ay (Const ("HOL.Let",_) $ _ $ (Abs _)) a v =
|
wneuper@59257
|
956 |
nstep_up thy ptp scr E l ay a v
|
wneuper@59257
|
957 |
(*no appy_: never causes Napp -> Helpless*)
|
wneuper@59257
|
958 |
| nxt_up (thy as (th, sr)) ptp scr E l _ (Const ("Script.While"(*1*), _) $ c $ e $ _) a v =
|
wneuper@59257
|
959 |
if eval_true_ th sr (subst_atomic (upd_env_opt E (a, v)) c)
|
wneuper@59257
|
960 |
then case appy thy ptp E (l @ [L,R]) e a v of
|
wneuper@59257
|
961 |
Appy lr => Appy lr
|
wneuper@59257
|
962 |
| Napp E => nstep_up thy ptp scr E l Skip_ a v
|
wneuper@59257
|
963 |
| Skip (v,E) => nstep_up thy ptp scr E l Skip_ a v
|
wneuper@59257
|
964 |
else nstep_up thy ptp scr E l Skip_ a v
|
wneuper@59257
|
965 |
(*no appy_: never causes Napp - Helpless*)
|
wneuper@59257
|
966 |
| nxt_up (thy as (th, sr)) ptp scr E l _ (Const ("Script.While"(*2*), _) $ c $ e) a v =
|
wneuper@59257
|
967 |
if eval_true_ th sr (subst_atomic (upd_env_opt E (a, v)) c)
|
wneuper@59257
|
968 |
then case appy thy ptp E (l @ [R]) e a v of
|
neuper@37906
|
969 |
Appy lr => Appy lr
|
wneuper@59257
|
970 |
| Napp E => nstep_up thy ptp scr E l Skip_ a v
|
wneuper@59257
|
971 |
| Skip (v,E) => nstep_up thy ptp scr E l Skip_ a v
|
wneuper@59257
|
972 |
else nstep_up thy ptp scr E l Skip_ a v
|
wneuper@59257
|
973 |
| nxt_up thy ptp scr E l ay (Const ("If", _) $ _ $ _ $ _) a v = nstep_up thy ptp scr E l ay a v
|
wneuper@59257
|
974 |
| nxt_up thy ptp scr E l _ (*no appy_: there was already a stac below*)
|
wneuper@59257
|
975 |
(Const ("Script.Repeat"(*1*), _) $ e $ _) a v =
|
wneuper@59257
|
976 |
(case appy thy ptp (*upd_env*) E (*a,v)*) ((l @ [L, R]):loc_) e a v of
|
wneuper@59257
|
977 |
Appy lr => Appy lr
|
wneuper@59257
|
978 |
| Napp E => nstep_up thy ptp scr E l Skip_ a v
|
wneuper@59257
|
979 |
| Skip (v,E) => nstep_up thy ptp scr E l Skip_ a v)
|
wneuper@59257
|
980 |
| nxt_up thy ptp scr E l _ (*no appy_: there was already a stac below*)
|
wneuper@59257
|
981 |
(Const ("Script.Repeat"(*2*), _) $ e) a v =
|
wneuper@59257
|
982 |
(case appy thy ptp (*upd_env*) E (*a,v)*) (l @ [R]) e a v of
|
wneuper@59257
|
983 |
Appy lr => Appy lr
|
wneuper@59257
|
984 |
| Napp E => nstep_up thy ptp scr E l Skip_ a v
|
wneuper@59257
|
985 |
| Skip (v,E) => nstep_up thy ptp scr E l Skip_ a v)
|
wneuper@59257
|
986 |
| nxt_up thy ptp scr E l _ (Const ("Script.Try",_) $ _ $ _) a v = (*makes Napp to Skip*)
|
wneuper@59257
|
987 |
nstep_up thy ptp scr E l Skip_ a v
|
neuper@37906
|
988 |
|
wneuper@59257
|
989 |
| nxt_up thy ptp scr E l _ (Const ("Script.Try"(*2*), _) $ _) a v = (*makes Napp to Skip*)
|
wneuper@59257
|
990 |
nstep_up thy ptp scr E l Skip_ a v
|
wneuper@59257
|
991 |
| nxt_up thy ptp scr E l ay (Const ("Script.Or",_) $ _ $ _ $ _) a v =
|
wneuper@59257
|
992 |
nstep_up thy ptp scr E l ay a v
|
wneuper@59257
|
993 |
| nxt_up thy ptp scr E l ay (Const ("Script.Or",_) $ _ $ _) a v = nstep_up thy ptp scr E l ay a v
|
wneuper@59257
|
994 |
| nxt_up thy ptp scr E l ay (Const ("Script.Or",_) $ _ ) a v =
|
wneuper@59257
|
995 |
nstep_up thy ptp scr E (drop_last l) ay a v
|
wneuper@59257
|
996 |
| nxt_up thy ptp scr E l ay (Const ("Script.Seq"(*1*),_) $ _ $ _ $ _) a v =
|
wneuper@59257
|
997 |
(*all has been done in (*2*) below*) nstep_up thy ptp scr E l ay a v
|
wneuper@59257
|
998 |
| nxt_up thy ptp scr E l ay (Const ("Script.Seq"(*2*),_) $ _ $ _) a v = (*comes from e2*)
|
wneuper@59257
|
999 |
nstep_up thy ptp scr E l ay a v
|
wneuper@59257
|
1000 |
| nxt_up thy ptp (scr as Prog sc) E l ay (Const ("Script.Seq",_) $ _) a v = (*comes from e1*)
|
wneuper@59257
|
1001 |
if ay = Napp_
|
wneuper@59257
|
1002 |
then nstep_up thy ptp scr E (drop_last l) Napp_ a v
|
wneuper@59257
|
1003 |
else (*Skip_*)
|
wneuper@59257
|
1004 |
let val up = drop_last l;
|
wneuper@59257
|
1005 |
val e2 =
|
wneuper@59257
|
1006 |
(case go up sc of
|
wneuper@59257
|
1007 |
Const ("Script.Seq"(*2*), _) $ _ $ e2 => e2
|
wneuper@59257
|
1008 |
| t => error ("nxt_up..Script.Seq $ _ with " ^ term2str t))
|
wneuper@59257
|
1009 |
in case appy thy ptp E (up @ [R]) e2 a v of
|
wneuper@59257
|
1010 |
Appy lr => Appy lr
|
wneuper@59257
|
1011 |
| Napp E => nstep_up thy ptp scr E up Napp_ a v
|
wneuper@59257
|
1012 |
| Skip (v,E) => nstep_up thy ptp scr E up Skip_ a v end
|
wneuper@59257
|
1013 |
| nxt_up _ _ _ _ _ _ t _ _ = error ("nxt_up not impl for " ^ term2str t)
|
neuper@48763
|
1014 |
and nstep_up thy ptp (Prog sc) E l ay a v =
|
wneuper@59257
|
1015 |
if 1 < length l
|
wneuper@59257
|
1016 |
then
|
wneuper@59257
|
1017 |
let val up = drop_last l;
|
wneuper@59257
|
1018 |
in (nxt_up thy ptp (Prog sc) E up ay (go up sc) a v ) end
|
wneuper@59257
|
1019 |
else (*interpreted to end*)
|
wneuper@59257
|
1020 |
if ay = Skip_ then Skip (v, E) else Napp E
|
wneuper@59257
|
1021 |
| nstep_up _ _ _ _ l _ _ _ = error ("nstep_up: uncovered fun-def at " ^ loc_2str l)
|
neuper@37906
|
1022 |
|
neuper@37906
|
1023 |
(* decide for the next applicable stac in the script;
|
neuper@37906
|
1024 |
returns (stactic, value) - the value in case the script is finished
|
neuper@37906
|
1025 |
12.8.02: ~~~~~ and no assumptions ??? FIXME ???
|
neuper@37906
|
1026 |
20.8.02: must return p in case of finished, because the next script
|
neuper@37906
|
1027 |
consulted need not be the calling script:
|
neuper@37906
|
1028 |
in case of detail ie. _inserted_ PrfObjs, the next stac
|
neuper@37906
|
1029 |
has to searched in a script with PblObj.status<>Complete !
|
neuper@37906
|
1030 |
(.. not true for other details ..PrfObj ??????????????????
|
neuper@37906
|
1031 |
20.8.02: do NOT return safe (is only changed in locate !!!)
|
neuper@37906
|
1032 |
*)
|
wneuper@59257
|
1033 |
fun next_tac (thy,_) _ (Rfuns {next_rule, ...}) (RrlsState(f, f', rss, _), ctxt) =
|
neuper@42394
|
1034 |
if f = f'
|
neuper@42394
|
1035 |
then (End_Detail' (f',[])(*8.6.03*), (Uistate, ctxt),
|
neuper@42394
|
1036 |
(f', Sundef(*FIXME is no value of next_tac! vor 8.6.03*))) (*finished*)
|
neuper@42394
|
1037 |
else
|
neuper@42394
|
1038 |
(case next_rule rss f of
|
wneuper@59257
|
1039 |
NONE => (Empty_Tac_, (Uistate, ctxt), (e_term, Sundef)) (*helpless*)
|
wneuper@59257
|
1040 |
| SOME (Thm thm'')(*8.6.03: muss auch f' liefern ?!!*) =>
|
wneuper@59257
|
1041 |
(Rewrite' (thy, "e_rew_ord", e_rls, false, thm'', f, (e_term, [(*!?!8.6.03*)])),
|
wneuper@59257
|
1042 |
(Uistate, ctxt), (e_term, Sundef))) (*next stac*)
|
wneuper@59257
|
1043 |
| next_tac thy (ptp as (pt, (p, _)):ptree * pos') (sc as Prog (_ $ body))
|
wneuper@59257
|
1044 |
(ScrState (E,l,a,v,s,_), ctxt) =
|
neuper@42394
|
1045 |
(case if l = [] then appy thy ptp E [R] body NONE v
|
neuper@42394
|
1046 |
else nstep_up thy ptp sc E l Skip_ a v of
|
neuper@42394
|
1047 |
Skip (v, _) => (*finished*)
|
neuper@42394
|
1048 |
(case par_pbl_det pt p of
|
neuper@42394
|
1049 |
(true, p', _) =>
|
neuper@42394
|
1050 |
let
|
neuper@42394
|
1051 |
val (_,pblID,_) = get_obj g_spec pt p';
|
neuper@42394
|
1052 |
in (Check_Postcond' (pblID, (v, [(*assigned in next step*)])),
|
neuper@42394
|
1053 |
(e_istate, ctxt), (v,s))
|
neuper@42394
|
1054 |
end
|
wneuper@59257
|
1055 |
| _ => (End_Detail' (e_term,[])(*8.6.03*), (e_istate, ctxt), (v,s)))
|
neuper@42394
|
1056 |
| Napp _ => (Empty_Tac_, (e_istate, ctxt), (e_term, Sundef)) (*helpless*)
|
neuper@42394
|
1057 |
| Appy (m', scrst as (_,_,_,v,_,_)) => (m', (ScrState scrst, ctxt), (v, Sundef))) (*next stac*)
|
neuper@41972
|
1058 |
| next_tac _ _ _ (is, _) = error ("next_tac: not impl for " ^ (istate2str is));
|
neuper@37906
|
1059 |
|
neuper@37906
|
1060 |
(*.create the initial interpreter state from the items of the guard.*)
|
wneuper@59257
|
1061 |
local
|
wneuper@59240
|
1062 |
val errmsg = "ERROR: found no actual arguments for prog. of "
|
wneuper@59257
|
1063 |
fun msg_miss (sc, metID, formals, actuals) =
|
wneuper@59257
|
1064 |
"ERROR in creating the environment for '" ^ id_of_scr sc ^
|
wneuper@59257
|
1065 |
"' from \nthe items of the guard of " ^ metID2str metID ^ ",\n" ^
|
wneuper@59257
|
1066 |
"formal arg(s), from the script, miss actual arg(s), from the guards env:\n" ^
|
wneuper@59257
|
1067 |
(string_of_int o length) formals ^ " formals: " ^ terms2str formals ^ "\n" ^
|
wneuper@59257
|
1068 |
(string_of_int o length) actuals ^ " actuals: " ^ terms2str actuals
|
wneuper@59257
|
1069 |
fun msg_type (sc, metID, a, f, formals, actuals) =
|
wneuper@59257
|
1070 |
"ERROR in creating the environment for '" ^
|
wneuper@59257
|
1071 |
id_of_scr sc ^ "' from \nthe items of the guard of " ^
|
wneuper@59257
|
1072 |
metID2str metID ^ ",\n" ^
|
wneuper@59257
|
1073 |
"different types of formal arg, from the script, " ^
|
wneuper@59257
|
1074 |
"and actual arg, from the guards env:'\n" ^
|
wneuper@59257
|
1075 |
"formal: '" ^ term2str a ^ "::" ^ (type2str o type_of) a ^ "'\n" ^
|
wneuper@59257
|
1076 |
"actual: '" ^ term2str f ^ "::" ^ (type2str o type_of) f ^ "'\n" ^
|
wneuper@59257
|
1077 |
"in\n" ^
|
wneuper@59257
|
1078 |
"formals: " ^ terms2str formals ^ "\n" ^
|
wneuper@59257
|
1079 |
"actuals: " ^ terms2str actuals
|
wneuper@59257
|
1080 |
in
|
neuper@42011
|
1081 |
fun init_scrstate thy itms metID =
|
neuper@41996
|
1082 |
let
|
neuper@42011
|
1083 |
val actuals = itms2args thy metID itms
|
wneuper@59240
|
1084 |
val _ = if actuals <> [] then () else raise ERROR (errmsg ^ strs2str' metID)
|
wneuper@59257
|
1085 |
val (scr, sc) = (case (#scr o get_met) metID of
|
wneuper@59257
|
1086 |
scr as Prog sc => (scr, sc) | _ => raise ERROR ("init_scrstate with " ^ metID2str metID))
|
neuper@42011
|
1087 |
val formals = formal_args sc
|
neuper@41996
|
1088 |
(*expects same sequence of (actual) args in itms and (formal) args in met*)
|
neuper@41996
|
1089 |
fun relate_args env [] [] = env
|
wneuper@59257
|
1090 |
| relate_args _ _ [] = error (msg_miss (sc, metID, formals, actuals))
|
wneuper@59257
|
1091 |
| relate_args env [] _ = env (*may drop Find!*)
|
neuper@41996
|
1092 |
| relate_args env (a::aa) (f::ff) =
|
wneuper@59257
|
1093 |
if type_of a = type_of f
|
wneuper@59257
|
1094 |
then relate_args (env @ [(a, f)]) aa ff
|
wneuper@59257
|
1095 |
else error (msg_type (sc, metID, a, f, formals, actuals))
|
wneuper@59257
|
1096 |
val env = relate_args [] formals actuals;
|
wneuper@59257
|
1097 |
val ctxt = Proof_Context.init_global thy |> declare_constraints' actuals
|
wneuper@59257
|
1098 |
val {pre, prls, ...} = get_met metID;
|
wneuper@59257
|
1099 |
val pres = check_preconds thy prls pre itms |> map snd;
|
wneuper@59257
|
1100 |
val ctxt = ctxt |> insert_assumptions pres;
|
wneuper@59257
|
1101 |
in (ScrState (env, [], NONE, e_term, Safe, true), ctxt, scr) : istate * Proof.context * scr end;
|
wneuper@59257
|
1102 |
end (*local*)
|
neuper@37906
|
1103 |
|
neuper@41996
|
1104 |
(* decide, where to get script/istate from:
|
wneuper@59257
|
1105 |
(* 1 *) from PblObj.env: at begin of script if no init_form
|
wneuper@59257
|
1106 |
(* 2 *) from PblObj/PrfObj: if stac is in the middle of the script
|
wneuper@59257
|
1107 |
(* 3 *) from rls/PrfObj: in case of detail a ruleset *)
|
wneuper@59257
|
1108 |
fun from_pblobj_or_detail' _ (p, p_) pt =
|
wneuper@59257
|
1109 |
if member op = [Pbl, Met] p_
|
wneuper@59257
|
1110 |
then case get_obj g_env pt p of
|
wneuper@59257
|
1111 |
NONE => error "from_pblobj_or_detail': no istate"
|
wneuper@59257
|
1112 |
| SOME is =>
|
wneuper@59257
|
1113 |
let
|
wneuper@59257
|
1114 |
val metID = get_obj g_metID pt p
|
wneuper@59257
|
1115 |
val {srls, ...} = get_met metID
|
wneuper@59257
|
1116 |
in (srls, is, (#scr o get_met) metID) end
|
wneuper@59257
|
1117 |
else
|
wneuper@59257
|
1118 |
let val (pbl, p', rls') = par_pbl_det pt p
|
wneuper@59257
|
1119 |
in if pbl
|
wneuper@59257
|
1120 |
then (*if last_elem p = 0 nothing written to pt yet*) (* 2 *)
|
wneuper@59257
|
1121 |
let
|
wneuper@59257
|
1122 |
val metID = get_obj g_metID pt p'
|
wneuper@59257
|
1123 |
val {srls,...} = get_met metID
|
wneuper@59257
|
1124 |
in (srls, get_loc pt (p,p_), (#scr o get_met) metID) end
|
wneuper@59257
|
1125 |
else (*FIXME.WN0?: get from pbl or met !!! unused for Rrls in locate_gen, next_tac*) (* 3 *)
|
wneuper@59257
|
1126 |
(e_rls, get_loc pt (p,p_),
|
wneuper@59257
|
1127 |
case rls' of
|
wneuper@59257
|
1128 |
Rls {scr = scr,...} => scr
|
wneuper@59257
|
1129 |
| Seq {scr = scr,...} => scr
|
wneuper@59257
|
1130 |
| Rrls {scr=rfuns,...} => rfuns
|
wneuper@59257
|
1131 |
| Erls => error "from_pblobj_or_detail' with Erls")
|
wneuper@59257
|
1132 |
end
|
neuper@37906
|
1133 |
|
wneuper@59257
|
1134 |
(*.get script and istate from PblObj, see ( * 1 *)
|
bonzai@41948
|
1135 |
fun from_pblobj' thy' (p,p_) pt =
|
neuper@42001
|
1136 |
let
|
neuper@42001
|
1137 |
val p' = par_pblobj pt p
|
neuper@42001
|
1138 |
val thy = assoc_thy thy'
|
wneuper@59257
|
1139 |
val itms =
|
wneuper@59257
|
1140 |
(case get_obj I pt p' of
|
wneuper@59257
|
1141 |
PblObj {meth = itms, ...} => itms
|
wneuper@59257
|
1142 |
| PrfObj _ => error "from_pblobj' NOT with PrfObj")
|
neuper@42001
|
1143 |
val metID = get_obj g_metID pt p'
|
wneuper@59257
|
1144 |
val {srls, scr, ...} = get_met metID
|
neuper@42001
|
1145 |
in
|
neuper@42001
|
1146 |
if last_elem p = 0 (*nothing written to pt yet*)
|
neuper@42001
|
1147 |
then
|
neuper@42014
|
1148 |
let val (is, ctxt, scr) = init_scrstate thy itms metID
|
neuper@42001
|
1149 |
in (srls, (is, ctxt), scr) end
|
wneuper@59257
|
1150 |
else (srls, get_loc pt (p,p_), scr)
|
wneuper@59257
|
1151 |
end;
|
neuper@37906
|
1152 |
|
neuper@37906
|
1153 |
(*.get the stactics and problems of a script as tacs
|
neuper@37906
|
1154 |
instantiated with the current environment;
|
neuper@37906
|
1155 |
l is the location which generated the given formula.*)
|
neuper@37906
|
1156 |
(*WN.12.5.03: quick-and-dirty repair for listexpressions*)
|
neuper@37906
|
1157 |
fun is_spec_pos Pbl = true
|
neuper@37906
|
1158 |
| is_spec_pos Met = true
|
neuper@37906
|
1159 |
| is_spec_pos _ = false;
|
neuper@37906
|
1160 |
|
neuper@37906
|
1161 |
(*. fetch _all_ tactics from script .*)
|
neuper@37906
|
1162 |
fun sel_rules _ (([],Res):pos') =
|
neuper@37906
|
1163 |
raise PTREE "no tactics applicable at the end of a calculation"
|
wneuper@59257
|
1164 |
| sel_rules pt (p,p_) =
|
wneuper@59257
|
1165 |
if is_spec_pos p_
|
wneuper@59257
|
1166 |
then [get_obj g_tac pt p]
|
wneuper@59257
|
1167 |
else
|
wneuper@59257
|
1168 |
let
|
wneuper@59257
|
1169 |
val pp = par_pblobj pt p;
|
wneuper@59257
|
1170 |
val thy' = (get_obj g_domID pt pp):theory';
|
wneuper@59257
|
1171 |
val thy = assoc_thy thy';
|
wneuper@59257
|
1172 |
val metID = get_obj g_metID pt pp;
|
wneuper@59257
|
1173 |
val metID' = if metID =e_metID then (thd3 o snd3) (get_obj g_origin pt pp) else metID
|
wneuper@59257
|
1174 |
val (sc, srls) = (case get_met metID' of
|
wneuper@59257
|
1175 |
{scr = Prog sc, srls, ...} => (sc, srls) | _ => error "sel_rules 1")
|
wneuper@59257
|
1176 |
val (env, a, v) = (case get_istate pt (p, p_) of
|
wneuper@59257
|
1177 |
ScrState (env, _, a, v, _, _) => (env, a, v) | _ => error "sel_rules 2")
|
wneuper@59257
|
1178 |
in map ((stac2tac pt thy) o rep_stacexpr o #2 o
|
wneuper@59257
|
1179 |
(handle_leaf "selrul" thy' srls env a v)) (stacpbls sc)
|
wneuper@59257
|
1180 |
end;
|
neuper@37906
|
1181 |
|
neuper@37906
|
1182 |
(*. fetch tactics from script and filter _applicable_ tactics;
|
neuper@37906
|
1183 |
in case of Rewrite_Set* go down to _atomic_ rewrite-tactics .*)
|
wneuper@59257
|
1184 |
fun sel_appl_atomic_tacs _ (([], Res) : pos') =
|
neuper@37906
|
1185 |
raise PTREE "no tactics applicable at the end of a calculation"
|
wneuper@59257
|
1186 |
| sel_appl_atomic_tacs pt (p, p_) =
|
neuper@37906
|
1187 |
if is_spec_pos p_
|
neuper@37906
|
1188 |
then [get_obj g_tac pt p]
|
neuper@37906
|
1189 |
else
|
neuper@42438
|
1190 |
let
|
neuper@42438
|
1191 |
val pp = par_pblobj pt p
|
neuper@42438
|
1192 |
val thy' = (get_obj g_domID pt pp):theory'
|
neuper@42438
|
1193 |
val thy = assoc_thy thy'
|
neuper@42438
|
1194 |
val metID = get_obj g_metID pt pp
|
neuper@42438
|
1195 |
val metID' =
|
neuper@42438
|
1196 |
if metID = e_metID
|
neuper@42438
|
1197 |
then (thd3 o snd3) (get_obj g_origin pt pp)
|
neuper@42438
|
1198 |
else metID
|
wneuper@59257
|
1199 |
val (sc, srls, erls, ro) = (case get_met metID' of
|
wneuper@59257
|
1200 |
{scr = Prog sc, srls, erls, rew_ord' = ro, ...} => (sc, srls, erls, ro)
|
wneuper@59257
|
1201 |
| _ => error "sel_appl_atomic_tacs 1")
|
wneuper@59257
|
1202 |
val (env, a, v) = (case get_istate pt (p, p_) of
|
wneuper@59257
|
1203 |
ScrState (env, _, a, v, _, _) => (env, a, v) | _ => error "sel_appl_atomic_tacs 2")
|
neuper@42438
|
1204 |
val alltacs = (*we expect at least 1 stac in a script*)
|
neuper@42438
|
1205 |
map ((stac2tac pt thy) o rep_stacexpr o #2 o
|
neuper@42438
|
1206 |
(handle_leaf "selrul" thy' srls env a v)) (stacpbls sc)
|
neuper@42438
|
1207 |
val f =
|
wneuper@59257
|
1208 |
(case p_ of Frm => get_obj g_form pt p | Res => (fst o (get_obj g_result pt)) p
|
wneuper@59257
|
1209 |
| _ => error "")
|
neuper@42438
|
1210 |
(*WN071231 ? replace atomic_appl_tacs with applicable_in (ineff!) ?*)
|
wneuper@59263
|
1211 |
in ((gen_distinct eq_tac) o flat o (map (Rtools.atomic_appl_tacs thy ro erls f))) alltacs end;
|
wneuper@59257
|
1212 |
(**)
|
neuper@37906
|
1213 |
end
|
wneuper@59257
|
1214 |
(**)
|