src/Tools/isac/MathEngBasic/tactic.sml
changeset 59812 9ef6e9e88178
parent 59785 b5de2ec15f36
child 59844 373d13915f8c
     1.1 --- a/src/Tools/isac/MathEngBasic/tactic.sml	Thu Feb 20 18:02:00 2020 +0100
     1.2 +++ b/src/Tools/isac/MathEngBasic/tactic.sml	Thu Feb 20 18:47:55 2020 +0100
     1.3 @@ -4,104 +4,17 @@
     1.4  
     1.5  regular expression for search:
     1.6  
     1.7 -Add_Find|Add_Given|Add_Relation|Apply_Assumption|Apply_Method|Begin_Sequ|Begin_Trans|Split_And|Split_Or|Split_Intersect|Conclude_And|Conclude_Or|Collect_Trues|End_Sequ|End_Trans|End_Ruleset|End_Subproblem|End_Intersect|End_Proof|CAScmd|Calculate|Check_Postcond|Check_elementwise|Del_Find|Del_Given|Del_Relation|Derive|Detail_Set|Detail_Set_Inst|End_Detail|Empty_Tac|Free_Solve|Init_Proof|Model_Problem Or_to_List|Refine_Problem|Refine_Tacitly| Rewrite|Rewrite_Asm|Rewrite_Inst|Rewrite_Set|Rewrite_Set_Inst|Specify_Method|Specify_Problem|Specify_Theory|Subproblem|Substitute|Tac|Take|Take_Inst
     1.8 +Add_Find|Add_Given|Add_Relation|Apply_Assumption|Apply_Method|Begin_Sequ|Begin_Trans|Split_And|Split_Or|Split_Intersect|Conclude_And|Conclude_Or|Collect_Trues|End_Sequ|End_Trans|End_Ruleset|End_Subproblem|End_Intersect|End_Proof|CAScmd|Calculate|Check_Postcond|Check_elementwise|Del_Find|Del_Given|Del_Relation|Derive|Detail_Set|Detail_Set_Inst|End_Detail|Empty_Tac|Free_Solve|Init_Proof|Model_Problem Or_to_List|Refine_Problem|Refine_Tacitly| Rewrite|Rewrite_Inst|Rewrite_Set|Rewrite_Set_Inst|Specify_Method|Specify_Problem|Specify_Theory|Subproblem|Substitute|Tac|Take|Take_Inst
     1.9  
    1.10  *)
    1.11  signature TACTIC =
    1.12  sig
    1.13 -  datatype T =
    1.14 -    Add_Find' of Rule.cterm' * Model.itm list | Add_Given' of Rule.cterm' * Model.itm list 
    1.15 -  | Add_Relation' of Rule.cterm' * Model.itm list
    1.16 -  | Apply_Assumption' of term list * term
    1.17 -  | Apply_Method' of Celem.metID * term option * Istate_Def.T * Proof.context
    1.18 +  datatype T = datatype Tactic_Def.T
    1.19 +  val string_of: T -> string
    1.20  
    1.21 -  | Begin_Sequ' | Begin_Trans' of term
    1.22 -  | Split_And' of term | Split_Or' of term | Split_Intersect' of term
    1.23 -  | Conclude_And' of term | Conclude_Or' of term | Collect_Trues' of term
    1.24 -  | End_Sequ' | End_Trans' of Selem.result
    1.25 -  | End_Ruleset' of term | End_Subproblem' of term | End_Intersect' of term | End_Proof''
    1.26 -
    1.27 -  | CAScmd' of term
    1.28 -  | Calculate' of Rule.theory' * string * term * (term * Celem.thm')
    1.29 -  | Check_Postcond' of Celem.pblID * Selem.result
    1.30 -  | Check_elementwise' of term * Rule.cterm' * Selem.result
    1.31 -  | Del_Find' of Rule.cterm' | Del_Given' of Rule.cterm' | Del_Relation' of Rule.cterm'
    1.32 -
    1.33 -  | Derive' of Rule.rls
    1.34 -  | Detail_Set' of Rule.theory' * bool * Rule.rls * term * Selem.result
    1.35 -  | Detail_Set_Inst' of Rule.theory' * bool * Rule.subst * Rule.rls * term * Selem.result
    1.36 -  | End_Detail' of Selem.result
    1.37 -
    1.38 -  | Empty_Tac_
    1.39 -  | Free_Solve'
    1.40 -
    1.41 -  | Init_Proof' of Rule.cterm' list * Celem.spec
    1.42 -  | Model_Problem' of Celem.pblID * Model.itm list * Model.itm list
    1.43 -  | Or_to_List' of term * term
    1.44 -  | Refine_Problem' of Celem.pblID * (Model.itm list * (bool * term) list)
    1.45 -  | Refine_Tacitly' of Celem.pblID * Celem.pblID * Rule.domID * Celem.metID * Model.itm list
    1.46 -
    1.47 -  | Rewrite' of Rule.theory' * Rule.rew_ord' * Rule.rls * bool * Celem.thm'' * term * Selem.result
    1.48 -  | Rewrite_Asm' of Rule.theory' * Rule.rew_ord' * Rule.rls * bool * Celem.thm'' * term * Selem.result
    1.49 -  | Rewrite_Inst' of Rule.theory' * Rule.rew_ord' * Rule.rls * bool * Rule.subst * Celem.thm'' * term * Selem.result
    1.50 -  | Rewrite_Set' of Rule.theory' * bool * Rule.rls * term * Selem.result
    1.51 -  | Rewrite_Set_Inst' of Rule.theory' * bool * Rule.subst * Rule.rls * term * Selem.result
    1.52 -
    1.53 -  | Specify_Method' of Celem.metID * Model.ori list * Model.itm list
    1.54 -  | Specify_Problem' of Celem.pblID * (bool * (Model.itm list * (bool * term) list))
    1.55 -  | Specify_Theory' of Rule.domID
    1.56 -  | Subproblem' of Celem.spec * Model.ori list * term * Selem.fmz_ * Proof.context * term
    1.57 -  | Substitute' of Rule.rew_ord_ * Rule.rls * Selem.subte * term * term
    1.58 -  | Tac_ of theory * string * string * string
    1.59 -  | Take' of term | Take_Inst' of term
    1.60 -  val string_of : T -> string
    1.61 -
    1.62 -  datatype input =
    1.63 -    Add_Find of Rule.cterm' | Add_Given of Rule.cterm' | Add_Relation of Rule.cterm'
    1.64 -  | Apply_Assumption of Rule.cterm' list
    1.65 -  | Apply_Method of Celem.metID
    1.66 -  (*/--- TODO: re-design ? -----------------------------------------------------------------\*)
    1.67 -  | Begin_Sequ | Begin_Trans
    1.68 -  | Split_And | Split_Or | Split_Intersect
    1.69 -  | Conclude_And | Conclude_Or | Collect_Trues
    1.70 -  | End_Sequ | End_Trans
    1.71 -  | End_Ruleset | End_Subproblem | End_Intersect | End_Proof'
    1.72 -  (*\--- TODO: re-design ? -----------------------------------------------------------------/*)
    1.73 -  | CAScmd of Rule.cterm'
    1.74 -  | Calculate of string
    1.75 -  | Check_Postcond of Celem.pblID
    1.76 -  | Check_elementwise of Rule.cterm'
    1.77 -  | Del_Find of Rule.cterm' | Del_Given of Rule.cterm' | Del_Relation of Rule.cterm'
    1.78 -
    1.79 -  | Derive of Rule.rls'
    1.80 -  | Detail_Set of Rule.rls'
    1.81 -  | Detail_Set_Inst of Selem.subs * Rule.rls'
    1.82 -  | End_Detail
    1.83 -
    1.84 -  | Empty_Tac
    1.85 -  | Free_Solve
    1.86 -
    1.87 -  | Init_Proof of Rule.cterm' list * Celem.spec
    1.88 -  | Model_Problem
    1.89 -  | Or_to_List
    1.90 -  | Refine_Problem of Celem.pblID
    1.91 -  | Refine_Tacitly of Celem.pblID
    1.92 -
    1.93 -  | Rewrite of Celem.thm''
    1.94 -  | Rewrite_Asm of Celem.thm''
    1.95 -  | Rewrite_Inst of Selem.subs * Celem.thm''
    1.96 -  | Rewrite_Set of Rule.rls'
    1.97 -  | Rewrite_Set_Inst of Selem.subs * Rule.rls'
    1.98 -
    1.99 -  | Specify_Method of Celem.metID
   1.100 -  | Specify_Problem of Celem.pblID
   1.101 -  | Specify_Theory of Rule.domID
   1.102 -  | Subproblem of Rule.domID * Celem.pblID
   1.103 -
   1.104 -  | Substitute of Selem.sube
   1.105 -  | Tac of string
   1.106 -  | Take of Rule.cterm' | Take_Inst of Rule.cterm'
   1.107 +  datatype input = datatype Tactic_Def.input
   1.108    val tac2str : input -> string
   1.109 +  val tac2IDstr : input -> string
   1.110    val is_empty_tac : input -> bool
   1.111  
   1.112  (*//-------------------------------------------------------------- only AFTER ctree.sml required *)
   1.113 @@ -109,7 +22,6 @@
   1.114    val is_rewtac : input -> bool
   1.115    val is_rewset : input -> bool
   1.116    val rls_of : input -> Rule.rls'
   1.117 -  val tac2IDstr : input -> string
   1.118    val rule2tac : theory -> (term * term) list ->  Rule.rule -> input
   1.119    val input_from_T : T -> input
   1.120    val result : T -> term
   1.121 @@ -133,120 +45,11 @@
   1.122  struct
   1.123  (**)
   1.124  
   1.125 -(* tactics for user at front-end.
   1.126 -   input propagates the construction of the calc-tree;
   1.127 -   there are
   1.128 -   (a) 'specsteps' for the specify-phase, and others for the solve-phase
   1.129 -   (b) those of the solve-phase are 'initac's and others;
   1.130 -       initacs start with a formula different from the preceding formula.
   1.131 -   see 'type tac_' for the internal representation of tactics
   1.132 -*)
   1.133 -datatype input =
   1.134 -    Add_Find of Rule.cterm' | Add_Given of Rule.cterm' | Add_Relation of Rule.cterm'
   1.135 -  | Apply_Assumption of Rule.cterm' list
   1.136 -  | Apply_Method of Celem.metID
   1.137 -    (* creates an "istate" in PblObj.env; in case of "init_form" 
   1.138 -      creates a formula at ((lev_on o lev_dn) p, Frm) and in this "ppobj.loc"
   1.139 -      a "SOME istate" at fst of "loc".
   1.140 -      As each step (in the solve-phase) has a resulting formula (at the front-end)
   1.141 -      Apply_Method also does the 1st step in the script (an "initac") if there is no "init_form" *)  
   1.142 -  (*/--- TODO: re-design ? -----------------------------------------------------------------\*)
   1.143 -  | Begin_Sequ | Begin_Trans
   1.144 -  | Split_And | Split_Or | Split_Intersect
   1.145 -  | Conclude_And | Conclude_Or | Collect_Trues
   1.146 -  | End_Sequ | End_Trans
   1.147 -  | End_Ruleset | End_Subproblem (* WN0509 drop *) | End_Intersect | End_Proof'
   1.148 -  (*\--- TODO: re-design ? -----------------------------------------------------------------/*)
   1.149 -  | CAScmd of Rule.cterm'
   1.150 -  | Calculate of string
   1.151 -  | Check_Postcond of Celem.pblID
   1.152 -  | Check_elementwise of Rule.cterm'
   1.153 -  | Del_Find of Rule.cterm' | Del_Given of Rule.cterm' | Del_Relation of Rule.cterm'
   1.154 +datatype input = datatype Tactic_Def.input
   1.155  
   1.156 -  | Derive of Rule.rls'                 (* WN0509 drop *)
   1.157 -  | Detail_Set of Rule.rls'             (* WN0509 drop *)
   1.158 -  | Detail_Set_Inst of Selem.subs * Rule.rls' (* WN0509 drop *)
   1.159 -  | End_Detail                     (* WN0509 drop *)
   1.160 -
   1.161 -  | Empty_Tac
   1.162 -  | Free_Solve
   1.163 -
   1.164 -  | Init_Proof of Rule.cterm' list * Celem.spec
   1.165 -  | Model_Problem
   1.166 -  | Or_to_List
   1.167 -  | Refine_Problem of Celem.pblID
   1.168 -  | Refine_Tacitly of Celem.pblID
   1.169 -
   1.170 -   (* rewrite-tactics can transport a (thmID, thm) to and (!) from the java-front-end
   1.171 -     because there all the thms are present with both (thmID, thm)
   1.172 -     (where user-views can show both or only one of (thmID, thm)),
   1.173 -     and thm is created from ThmID by assoc_thm'' when entering isabisac *)
   1.174 -  | Rewrite of Celem.thm''
   1.175 -  | Rewrite_Asm of Celem.thm''
   1.176 -  | Rewrite_Inst of Selem.subs * Celem.thm''
   1.177 -  | Rewrite_Set of Rule.rls'
   1.178 -  | Rewrite_Set_Inst of Selem.subs * Rule.rls'
   1.179 -
   1.180 -  | Specify_Method of Celem.metID
   1.181 -  | Specify_Problem of Celem.pblID
   1.182 -  | Specify_Theory of Rule.domID
   1.183 -  | Subproblem of Rule.domID * Celem.pblID (* WN0509 drop *)
   1.184 -
   1.185 -  | Substitute of Selem.sube
   1.186 -  | Tac of string               (* WN0509 drop *)
   1.187 -  | Take of Rule.cterm' | Take_Inst of Rule.cterm'
   1.188 -
   1.189 -fun tac2str ma = case ma of
   1.190 -    Init_Proof (ppc, spec)  => 
   1.191 -      "Init_Proof "^(pair2str (strs2str ppc, Celem.spec2str spec))
   1.192 -  | Model_Problem           => "Model_Problem "
   1.193 -  | Refine_Tacitly pblID    => "Refine_Tacitly " ^ strs2str pblID 
   1.194 -  | Refine_Problem pblID    => "Refine_Problem " ^ strs2str pblID 
   1.195 -  | Add_Given cterm'        => "Add_Given " ^ cterm'
   1.196 -  | Del_Given cterm'        => "Del_Given " ^ cterm'
   1.197 -  | Add_Find cterm'         => "Add_Find " ^ cterm'
   1.198 -  | Del_Find cterm'         => "Del_Find " ^ cterm'
   1.199 -  | Add_Relation cterm'     => "Add_Relation " ^ cterm'
   1.200 -  | Del_Relation cterm'     => "Del_Relation " ^ cterm'
   1.201 -
   1.202 -  | Specify_Theory domID    => "Specify_Theory " ^ quote domID
   1.203 -  | Specify_Problem pblID   => "Specify_Problem " ^ strs2str pblID
   1.204 -  | Specify_Method metID    => "Specify_Method " ^ strs2str metID
   1.205 -  | Apply_Method metID      => "Apply_Method " ^ strs2str metID
   1.206 -  | Check_Postcond pblID    => "Check_Postcond " ^ strs2str pblID
   1.207 -  | Free_Solve              => "Free_Solve"
   1.208 -
   1.209 -  | Rewrite_Inst (subs, (id, thm)) =>
   1.210 -    "Rewrite_Inst " ^ (pair2str (subs2str subs, spair2str (id, thm |> Thm.prop_of |> Rule.term2str)))
   1.211 -  | Rewrite (id, thm) => "Rewrite " ^ spair2str (id, thm |> Thm.prop_of |> Rule.term2str)
   1.212 -  | Rewrite_Asm (id, thm) => "Rewrite_Asm " ^ spair2str (id, thm |> Thm.prop_of |> Rule.term2str)
   1.213 -  | Rewrite_Set_Inst (subs, rls) => 
   1.214 -    "Rewrite_Set_Inst " ^ pair2str (subs2str subs, quote rls)
   1.215 -  | Rewrite_Set rls         => "Rewrite_Set " ^ quote rls
   1.216 -  | Detail_Set rls          => "Detail_Set " ^ quote rls
   1.217 -  | Detail_Set_Inst (subs, rls) =>  "Detail_Set_Inst " ^ pair2str (subs2str subs, quote rls)
   1.218 -  | End_Detail              => "End_Detail"
   1.219 -  | Derive rls'             => "Derive " ^ rls' 
   1.220 -  | Calculate op_           => "Calculate " ^ op_ 
   1.221 -  | Substitute sube         => "Substitute " ^ Selem.sube2str sube	     
   1.222 -  | Apply_Assumption ct's   => "Apply_Assumption " ^ strs2str ct's
   1.223 -
   1.224 -  | Take cterm'             => "Take " ^ quote cterm'
   1.225 -  | Take_Inst cterm'        => "Take_Inst " ^ quote cterm'
   1.226 -  | Subproblem (domID, pblID) => "Subproblem " ^ pair2str (domID, strs2str pblID)
   1.227 -  | End_Subproblem          => "End_Subproblem"
   1.228 -  | CAScmd cterm'           => "CAScmd " ^ quote cterm'
   1.229 -
   1.230 -  | Check_elementwise cterm'=> "Check_elementwise " ^ quote cterm'
   1.231 -  | Or_to_List              => "Or_to_List "
   1.232 -  | Collect_Trues           => "Collect_Trues"
   1.233 -
   1.234 -  | Empty_Tac               => "Empty_Tac"
   1.235 -  | Tac string              => "Tac " ^ string
   1.236 -  | End_Proof'              => "input End_Proof'"
   1.237 -  | _                       => "tac2str not impl. for ?!";
   1.238 -
   1.239 -fun is_empty_tac input = case input of Empty_Tac => true | _ => false
   1.240 +val tac2str = Tactic_Def.tac2str
   1.241 +val tac2IDstr = Tactic_Def.tac2IDstr
   1.242 +val is_empty_tac = Tactic_Def.is_empty_tac
   1.243  
   1.244  fun eq_tac (Rewrite (id1, _), Rewrite (id2, _)) = id1 = id2
   1.245    | eq_tac (Rewrite_Inst (_, (id1, _)), Rewrite_Inst (_, (id2, _))) = id1 = id2
   1.246 @@ -260,57 +63,12 @@
   1.247    | is_rewset _ = false;
   1.248  fun is_rewtac (Rewrite _) = true
   1.249    | is_rewtac (Rewrite_Inst _) = true
   1.250 -  | is_rewtac (Rewrite_Asm _) = true
   1.251    | is_rewtac input = is_rewset input;
   1.252  
   1.253 -fun tac2IDstr ma = case ma of
   1.254 -    Model_Problem => "Model_Problem"
   1.255 -  | Refine_Tacitly _ => "Refine_Tacitly"
   1.256 -  | Refine_Problem _ => "Refine_Problem"
   1.257 -  | Add_Given _ => "Add_Given"
   1.258 -  | Del_Given _ => "Del_Given"
   1.259 -  | Add_Find _ => "Add_Find"
   1.260 -  | Del_Find _ => "Del_Find"
   1.261 -  | Add_Relation _ => "Add_Relation"
   1.262 -  | Del_Relation _ => "Del_Relation"
   1.263 -
   1.264 -  | Specify_Theory _ => "Specify_Theory"
   1.265 -  | Specify_Problem _ => "Specify_Problem"
   1.266 -  | Specify_Method _ => "Specify_Method"
   1.267 -  | Apply_Method _ => "Apply_Method"
   1.268 -  | Check_Postcond _ => "Check_Postcond"
   1.269 -  | Free_Solve => "Free_Solve"
   1.270 -
   1.271 -  | Rewrite_Inst _ => "Rewrite_Inst"
   1.272 -  | Rewrite _ => "Rewrite"
   1.273 -  | Rewrite_Asm _ => "Rewrite_Asm"
   1.274 -  | Rewrite_Set_Inst _ => "Rewrite_Set_Inst"
   1.275 -  | Rewrite_Set _ => "Rewrite_Set"
   1.276 -  | Detail_Set _ => "Detail_Set"
   1.277 -  | Detail_Set_Inst _ => "Detail_Set_Inst"
   1.278 -  | Derive _ => "Derive "
   1.279 -  | Calculate _ => "Calculate "
   1.280 -  | Substitute _ => "Substitute" 
   1.281 -  | Apply_Assumption _ => "Apply_Assumption"
   1.282 -
   1.283 -  | Take _ => "Take"
   1.284 -  | Take_Inst _ => "Take_Inst"
   1.285 -  | Subproblem _ => "Subproblem"
   1.286 -  | End_Subproblem => "End_Subproblem"
   1.287 -  | CAScmd _ => "CAScmd"
   1.288 -
   1.289 -  | Check_elementwise _ => "Check_elementwise"
   1.290 -  | Or_to_List => "Or_to_List "
   1.291 -  | Collect_Trues => "Collect_Trues"
   1.292 -
   1.293 -  | Empty_Tac => "Empty_Tac"
   1.294 -  | Tac _ => "Tac "
   1.295 -  | End_Proof' => "End_Proof'"
   1.296 -  | _ => "tac2str not impl. for ?!";
   1.297  
   1.298  fun rls_of (Rewrite_Set_Inst (_, rls)) = rls
   1.299    | rls_of (Rewrite_Set rls) = rls
   1.300 -  | rls_of input = error ("rls_of: called with input \"" ^ tac2IDstr input ^ "\"");
   1.301 +  | rls_of input = error ("rls_of: called with input \"" ^ Tactic_Def.tac2IDstr input ^ "\"");
   1.302  
   1.303  fun rule2tac thy _ (Rule.Num_Calc (opID, _)) = Calculate (assoc_calc thy opID)
   1.304    | rule2tac _ [] (Rule.Thm thm'') = Rewrite thm''
   1.305 @@ -322,138 +80,9 @@
   1.306    | rule2tac _ _ rule = 
   1.307      error ("rule2tac: called with \"" ^ Rule.rule2str rule ^ "\"");
   1.308  
   1.309 -(* tactics for for internal use, compare "input" for user at the front-end.
   1.310 -  tac_ contains results from check in 'fun applicable_in'.
   1.311 -  This is useful for costly results, e.g. from rewriting;
   1.312 -  however, these results might be changed by Scripts like
   1.313 -      "      eq = (Rewrite_Set ''ansatz_rls'' False) eql;" ^
   1.314 -      "      eq = (Rewrite_Set equival_trans False) eq;" ^
   1.315 -  TODO.WN120106 ANALOGOUSLY TO Substitute':
   1.316 -  So tac_ contains the term t the result was calculated from
   1.317 -  in order to compare t with t' possibly changed by "Expr "
   1.318 -  and re-calculate result if t<>t'
   1.319 -  TODO.WN161219: replace *every* cterm' by term
   1.320 -*)
   1.321 -  datatype T =
   1.322 -    Add_Find' of Rule.cterm' * Model.itm list | Add_Given' of Rule.cterm' * Model.itm list 
   1.323 -  | Add_Relation' of Rule.cterm' * Model.itm list
   1.324 -  | Apply_Assumption' of term list * term
   1.325 -  | Apply_Method' of Celem.metID * term option * Istate_Def.T * Proof.context
   1.326 -  (*/--- TODO: re-design ? -----------------------------------------------------------------\*)
   1.327 -  | Begin_Sequ' | Begin_Trans' of term
   1.328 -  | Split_And' of term | Split_Or' of term | Split_Intersect' of term
   1.329 -  | Conclude_And' of term | Conclude_Or' of term | Collect_Trues' of term
   1.330 -  | End_Sequ' | End_Trans' of Selem.result
   1.331 -  | End_Ruleset' of term | End_Subproblem' of term | End_Intersect' of term | End_Proof''
   1.332 -  (*\--- TODO: re-design ? -----------------------------------------------------------------/*)
   1.333 -  | CAScmd' of term
   1.334 -  | Calculate' of Rule.theory' * string * term * (term * Celem.thm')
   1.335 -  | Check_Postcond' of Celem.pblID *
   1.336 -    Selem.result (* returnvalue of script in solve *)
   1.337 -  | Check_elementwise' of (*special case:*)
   1.338 -    term *       (* (1) the current formula: [x=1,x=...]     *)
   1.339 -    string *     (* (2) the pred from Check_elementwise      *)
   1.340 -    Selem.result (* (3) composed from (1) and (2): {x. pred} *)
   1.341 -  | Del_Find' of Rule.cterm' | Del_Given' of Rule.cterm' | Del_Relation' of Rule.cterm'
   1.342 +  datatype T = datatype Tactic_Def.T
   1.343  
   1.344 -  | Derive' of Rule.rls
   1.345 -  | Detail_Set' of Rule.theory' * bool * Rule.rls * term * Selem.result
   1.346 -  | Detail_Set_Inst' of Rule.theory' * bool * Rule.subst * Rule.rls * term * Selem.result
   1.347 -  | End_Detail' of Selem.result
   1.348 -
   1.349 -  | Empty_Tac_
   1.350 -  | Free_Solve'
   1.351 -
   1.352 -  | Init_Proof' of Rule.cterm' list * Celem.spec
   1.353 -  | Model_Problem' of Celem.pblID * 
   1.354 -    Model.itm list *  (* the 'untouched' pbl        *)
   1.355 -    Model.itm list    (* the casually completed met *)
   1.356 -  | Or_to_List' of term * term
   1.357 -  | Refine_Problem' of Celem.pblID * (Model.itm list * (bool * term) list)
   1.358 -  | Refine_Tacitly' of
   1.359 -    Celem.pblID *     (* input*)
   1.360 -    Celem.pblID *     (* the refined from applicable_in                                       *)
   1.361 -    Rule.domID *     (* from new pbt?! filled in specify                                     *)
   1.362 -    Celem.metID *     (* from new pbt?! filled in specify                                     *)
   1.363 -    Model.itm list    (* drop ! 9.03: remains [] for Model_Problem recognizing its activation *)
   1.364 -  | Rewrite' of Rule.theory' * Rule.rew_ord' * Rule.rls * bool * Celem.thm'' * term * Selem.result
   1.365 -  | Rewrite_Asm' of Rule.theory' * Rule.rew_ord' * Rule.rls * bool * Celem.thm'' * term * Selem.result
   1.366 -  | Rewrite_Inst' of Rule.theory' * Rule.rew_ord' * Rule.rls * bool * Rule.subst * Celem.thm'' * term * Selem.result
   1.367 -  | Rewrite_Set' of Rule.theory' * bool * Rule.rls * term * Selem.result
   1.368 -  | Rewrite_Set_Inst' of Rule.theory' * bool * Rule.subst * Rule.rls * term * Selem.result
   1.369 -
   1.370 -  | Specify_Method' of Celem.metID * Model.ori list * Model.itm list
   1.371 -  | Specify_Problem' of Celem.pblID * 
   1.372 -    (bool *                  (* matches	                                  *)
   1.373 -      (Model.itm list *      (* ppc	                                      *)
   1.374 -        (bool * term) list)) (* preconditions                             *)
   1.375 -  | Specify_Theory' of Rule.domID
   1.376 -  | Subproblem' of
   1.377 -    Celem.spec * 
   1.378 -		(Model.ori list) *       (* filled in associate Subproblem'           *)
   1.379 -		term *                   (* filled -"-, headline of calc-head         *)
   1.380 -		Selem.fmz_ *             
   1.381 -    Proof.context *          (* DEPRECATED shifted into loc for all ppobj *)
   1.382 -		term                     (* Subproblem (thyID, pbl) OR cascmd         *)  
   1.383 -  | Substitute' of           
   1.384 -    Rule.rew_ord_ *          (* for re-calculation                        *)
   1.385 -    Rule.rls *               (* for re-calculation                        *)
   1.386 -    Selem.subte *            (* the 'substitution': terms of type bool    *)
   1.387 -    term *                   (* to be substituted into                    *)
   1.388 -    term                     (* resulting from the substitution           *)
   1.389 -  | Tac_ of theory * string * string * string
   1.390 -  | Take' of term | Take_Inst' of term
   1.391 -
   1.392 -fun string_of ma = case ma of
   1.393 -    Init_Proof' (ppc, spec)  => "Init_Proof' " ^ pair2str (strs2str ppc, Celem.spec2str spec)
   1.394 -  | Model_Problem' (pblID, _, _) => "Model_Problem' " ^ strs2str pblID
   1.395 -  | Refine_Tacitly'(p, prefin, domID, metID, _) => "Refine_Tacitly' (" ^ strs2str p ^ ", " ^
   1.396 -    strs2str prefin ^ ", " ^ domID ^ ", " ^ strs2str metID ^ ", pbl-itms)"
   1.397 -  | Refine_Problem' _ => "Refine_Problem' (" ^ (*matchs2str ms*)"..." ^ ")"
   1.398 -  | Add_Given' _ => "Add_Given' "(*^cterm'*)
   1.399 -  | Del_Given' _ => "Del_Given' "(*^cterm'*)
   1.400 -  | Add_Find' _ => "Add_Find' "(*^cterm'*)
   1.401 -  | Del_Find' _ => "Del_Find' "(*^cterm'*)
   1.402 -  | Add_Relation' _ => "Add_Relation' "(*^cterm'*)
   1.403 -  | Del_Relation' _ => "Del_Relation' "(*^cterm'*)
   1.404 -
   1.405 -  | Specify_Theory' domID => "Specify_Theory' " ^ quote domID
   1.406 -  | Specify_Problem' (pI, (ok, _)) =>  "Specify_Problem' " ^ 
   1.407 -    spair2str (strs2str pI, spair2str (bool2str ok, spair2str ("itms2str_ itms", "items2str pre")))
   1.408 -  | Specify_Method' (pI, oris, _) => "Specify_Method' (" ^ 
   1.409 -    Celem.metID2str pI ^ ", " ^ Model.oris2str oris ^ ", )"
   1.410 -
   1.411 -  | Apply_Method' (metID, _, _, _) => "Apply_Method' " ^ strs2str metID
   1.412 -  | Check_Postcond' (pblID, (scval, asm)) => "Check_Postcond' " ^
   1.413 -      (spair2str (strs2str pblID, spair2str (Rule.term2str scval, Rule.terms2str asm)))
   1.414 -
   1.415 -  | Free_Solve' => "Free_Solve'"
   1.416 -
   1.417 -  | Rewrite_Inst' (*subs,thm'*) _ => "Rewrite_Inst' "(*^(pair2str (subs2str subs, spair2str thm'))*)
   1.418 -  | Rewrite' _(*thm'*) => "Rewrite' "(*^(spair2str thm')*)
   1.419 -  | Rewrite_Asm' _(*thm'*) => "Rewrite_Asm' "(*^(spair2str thm')*)
   1.420 -  | Rewrite_Set_Inst' _(*subs,thm'*) => "Rewrite_Set_Inst' "(*^(pair2str (subs2str subs, quote rls))*)
   1.421 -  | Rewrite_Set' (thy', pasm, rls', f, (f', asm)) => "Rewrite_Set' (" ^ thy' ^ "," ^ bool2str pasm ^
   1.422 -    "," ^ Rule.id_rls rls' ^ "," ^ Rule.term2str f ^ ",(" ^ Rule.term2str f' ^ "," ^ Rule.terms2str asm ^ "))"
   1.423 -  | End_Detail' _ => "End_Detail' xxx"
   1.424 -  | Detail_Set' _ => "Detail_Set' xxx"
   1.425 -  | Detail_Set_Inst' _ => "Detail_Set_Inst' xxx"
   1.426 -
   1.427 -  | Derive' rls => "Derive' " ^ Rule.id_rls rls
   1.428 -  | Calculate'  _ => "Calculate' "
   1.429 -  | Substitute' _ => "Substitute' "(*^(subs2str subs)*)    
   1.430 -  | Apply_Assumption' _(* ct's*) => "Apply_Assumption' "(*^(strs2str ct's)*)
   1.431 -
   1.432 -  | Take' _(*cterm'*) => "Take' "(*^(quote cterm'	)*)
   1.433 -  | Take_Inst' _(*cterm'*) => "Take_Inst' "(*^(quote cterm' )*)
   1.434 -  | Subproblem' _(*(spec, oris, _, _, _, pbl_form)*) => 
   1.435 -    "Subproblem' "(*^(pair2str (domID, strs2str ,))*)
   1.436 -  | End_Subproblem' _ => "End_Subproblem'"
   1.437 -  | CAScmd' _(*cterm'*) => "CAScmd' "(*^(quote cterm')*)
   1.438 -
   1.439 -  | Empty_Tac_ => "Empty_Tac_"
   1.440 -  | Tac_ (_, form, id, result) => "Tac_ (thy," ^ form ^ "," ^ id ^ "," ^ result ^ ")"
   1.441 -  | _  => "string_of not impl. for arg";
   1.442 +val string_of = Tactic_Def.string_of
   1.443  
   1.444  fun input_from_T (Refine_Tacitly' (pI, _, _, _, _)) = Refine_Tacitly pI
   1.445    | input_from_T (Model_Problem' (_, _, _)) = Model_Problem
   1.446 @@ -487,7 +116,7 @@
   1.447    | input_from_T (Subproblem' ((domID, pblID, _), _, _, _,_ ,_)) = Subproblem (domID, pblID)
   1.448    | input_from_T (Check_Postcond' (pblID, _)) = Check_Postcond pblID
   1.449    | input_from_T Empty_Tac_ = Empty_Tac
   1.450 -  | input_from_T m = error (": not impl. for "^(string_of m));
   1.451 +  | input_from_T m = raise ERROR (": not impl. for "^(Tactic_Def.string_of m));
   1.452  
   1.453  fun res (Rewrite_Inst' (_ , _, _, _, _, _, _, res)) = res
   1.454    | res (Rewrite' (_, _, _, _, _, _, res)) = res
   1.455 @@ -499,7 +128,7 @@
   1.456    | res (Take' t) = (t, [])
   1.457    | res (Substitute' (_, _, _, _, t)) = (t, [])
   1.458    | res (Or_to_List' (_,  t)) = (t, [])
   1.459 -  | res m = raise ERROR ("result: not impl.for " ^ string_of m)
   1.460 +  | res m = raise ERROR ("result: not impl.for " ^ Tactic_Def.string_of m)
   1.461  
   1.462  (*fun result m = (fst o res) m; TODO*)
   1.463  fun result tac = (fst o res) tac;