--- /dev/null
+(* Copyright (C) 2004, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+(**************************************************************************)
+(* *)
+(* PROJECT HELM *)
+(* *)
+(* Andrea Asperti <asperti@cs.unibo.it> *)
+(* 18/2/2004 *)
+(* *)
+(**************************************************************************)
+
+
+open Ast2pres
+open TacticAst
+
+let rec count_tactic current_size tac =
+ if current_size > maxsize then current_size
+ else match tac with
+ LocatedTactic (_, tac) -> count_tactic current_size tac
+ | Absurd -> current_size + 6
+ | Apply term -> countterm (current_size+6) term
+ | Assumption -> current_size + 10
+ | Change (t1, t2, where) ->
+ let size1 = countterm (current_size + 12) t1 in (* change, with *)
+ let size2 = countterm size1 t2 in
+ (match where with
+ None -> size2
+ | Some ident -> size2 + 3 + String.length ident)
+ | Change_pattern (_, _, _) -> assert false (* TODO *)
+ | Contradiction -> current_size + 13
+ | Cut term -> countterm (current_size + 4) term
+ | Decompose (ident, principles) ->
+ List.fold_left
+ (fun size s -> size + (String.length s))
+ (current_size + 11 + String.length ident) principles
+ | Discriminate ident -> current_size + 12 + (String.length ident)
+ | Elim (term, using) ->
+ let size1 = countterm (current_size + 5) term in
+ (match using with
+ None -> size1
+ | Some term -> countterm (size1 + 7) term)
+ | ElimType term -> countterm (current_size + 10) term
+ | Exact term -> countterm (current_size + 6) term
+ | Exists -> current_size + 6
+ | Fold (kind, term) ->
+ countterm (current_size + 5) term
+ | Fourier -> current_size + 7
+ | Injection ident -> current_size + 10 + (String.length ident)
+ | Intros (num, idents) ->
+ List.fold_left
+ (fun size s -> size + (String.length s))
+ (current_size + 7) idents
+ | Left -> current_size + 4
+ | LetIn (term, ident) ->
+ countterm (current_size + 5 + String.length ident) term
+ | Reduce (_, _, _) -> assert false (* TODO *)
+ | Reflexivity -> current_size + 11
+ | Replace (t1, t2) ->
+ let size1 = countterm (current_size + 14) t1 in (* replace, with *)
+ countterm size1 t2
+ | Replace_pattern (_, _) -> assert false (* TODO *)
+ | Rewrite (_, _, _) -> assert false (* TODO *)
+ | Right -> current_size + 5
+ | Ring -> current_size + 4
+ | Split -> current_size + 5
+ | Symmetry -> current_size + 8
+ | Transitivity term ->
+ countterm (current_size + 13) term
+;;
+
+let is_big_tac tac =
+ let n = (count_tactic 0 tac) in
+ prerr_endline ("Lunghezza: " ^ (string_of_int n));
+ n > maxsize
+;;
+
+(* prova *)
+let rec small_tactic2box ?(attr = []) tac =
+ Box.Text([], TacticAstPp.pp_tactic tac)
+
+let string_of_kind = function
+ | `Reduce -> "reduce"
+ | `Simpl -> "simpl"
+ | `Whd -> "whd"
+
+let rec tactic2box ?(attr = []) tac =
+ if (is_big_tac tac) then
+ big_tactic2box ~attr tac
+ else
+ small_tactic2box ~attr tac
+
+and big_tactic2box ?(attr = []) = function
+ LocatedTactic (loc, tac) ->
+ big_tactic2box ~attr tac
+ | Absurd -> Box.Text([],"absurd")
+ | Apply term ->
+ Box.V([],[Box.Text([],"apply");
+ ast2box ~attr term])
+ | Assumption -> Box.Text([],"assumption")
+ | Change (t1, t2, where) ->
+ let where =
+ (match where with
+ None -> []
+ | Some ident ->
+ [Box.Text([],"in");
+ Box.smallskip;
+ Box.Text([],ident)]) in
+ Box.V([],
+ (pretty_append
+ [Box.Text([],"change")]
+ t1
+ [])@
+ (pretty_append
+ [Box.Text([],"with")]
+ t2
+ [])@where)
+ | Change_pattern (_, _, _) -> assert false (* TODO *)
+ | Contradiction -> Box.Text([],"contradiction")
+ | Cut term ->
+ Box.V([],[Box.Text([],"cut");
+ Box.indent(ast2box term)])
+ | Decompose (ident, principles) ->
+ let principles =
+ List.map (fun x -> Box.Text([],x)) principles in
+ Box.V([],[Box.Text([],"decompose");
+ Box.H([],[Box.Text([],"[");
+ Box.V([],principles);
+ Box.Text([],"]")]);
+ Box.Text([],ident)])
+ | Discriminate ident ->
+ Box.V([],[Box.Text([],"discriminate");
+ Box.Text([],ident)])
+ | Elim (term, using) ->
+ let using =
+ (match using with
+ None -> []
+ | Some term ->
+ (pretty_append
+ [Box.Text([],"using")]
+ term
+ [])) in
+ Box.V([],
+ (pretty_append
+ [Box.Text([],"elim")]
+ term
+ [])@using)
+ | ElimType term ->
+ Box.V([],[Box.Text([],"elim type");
+ Box.indent(ast2box term)])
+ | Exact term ->
+ Box.V([],[Box.Text([],"exact");
+ Box.indent(ast2box term)])
+ | Exists -> Box.Text([],"exists")
+ | Fold (kind, term) ->
+ Box.V([],[Box.H([],[Box.Text([],"fold");
+ Box.smallskip;
+ Box.Text([],string_of_kind kind)]);
+ Box.indent(ast2box term)])
+ | Fourier -> Box.Text([],"fourier")
+ | Injection ident ->
+ Box.V([],[Box.Text([],"transitivity");
+ Box.indent (Box.Text([],ident))])
+ | Intros (num, idents) ->
+ let num =
+ (match num with
+ None -> []
+ | Some num -> [Box.Text([],string_of_int num)]) in
+ let idents =
+ List.map (fun x -> Box.Text([],x)) idents in
+ Box.V([],[Box.Text([],"decompose");
+ Box.H([],[Box.smallskip;
+ Box.V([],idents)])])
+ | Left -> Box.Text([],"left")
+ | LetIn (term, ident) ->
+ Box.V([],[Box.H([],[Box.Text([],"let");
+ Box.smallskip;
+ Box.Text([],ident);
+ Box.smallskip;
+ Box.Text([],"=")]);
+ Box.indent (ast2box term)])
+ | Reduce (_, _, _) -> assert false (* TODO *)
+ | Reflexivity -> Box.Text([],"reflexivity")
+ | Replace (t1, t2) ->
+ Box.V([],
+ (pretty_append
+ [Box.Text([],"replace")]
+ t1
+ [])@
+ (pretty_append
+ [Box.Text([],"with")]
+ t2
+ []))
+ | Replace_pattern (_, _) -> assert false (* TODO *)
+ | Rewrite (_, _, _) -> assert false (* TODO *)
+ | Right -> Box.Text([],"right")
+ | Ring -> Box.Text([],"ring")
+ | Split -> Box.Text([],"split")
+ | Symmetry -> Box.Text([],"symmetry")
+ | Transitivity term ->
+ Box.V([],[Box.Text([],"transitivity");
+ Box.indent (ast2box term)])
+;;
+
+open TacticAst
+
+let rec tactical2box ?(attr = []) = function
+ LocatedTactical (loc, tac) -> tactical2box tac
+ | Fail -> Box.Text([],"fail")
+ | Do (count, tac) ->
+ Box.V([],[Box.Text([],"do " ^ string_of_int count);
+ Box.indent (tactical2box tac)])
+ | IdTac -> Box.Text([],"id")
+ | Repeat tac ->
+ Box.V([],[Box.Text([],"repeat");
+ Box.indent (tactical2box tac)])
+ | Seq tacs ->
+ Box.V([],tacticals2box tacs)
+ | Tactic tac -> tactic2box tac
+ | Then (tac, tacs) ->
+ Box.V([],[tactical2box tac;
+ Box.H([],[Box.skip;
+ Box.Text([],"[");
+ Box.V([],tacticals2box tacs);
+ Box.Text([],"]");])])
+ | Tries tacs ->
+ Box.V([],[Box.Text([],"try");
+ Box.H([],[Box.skip;
+ Box.Text([],"[");
+ Box.V([],tacticals2box tacs);
+ Box.Text([],"]");])])
+ | Try tac ->
+ Box.V([],[Box.Text([],"try");
+ Box.indent (tactical2box tac)])
+
+and tacticals2box tacs =
+ List.map
+ (function tac -> Box.H([],[tactical2box tac; Box.Text([],";")])) tacs
+;;
+
+let tacticalPp tac =
+ String.concat "\n"
+ (BoxPp.to_string CicAstPp.pp_term (tactical2box tac));;
+
+
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