--- /dev/null
+(* Copyright (C) 2005, 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/
+ *)
+
+(* $Id$ *)
+
+open Printf
+
+open LexiconAst
+
+let pp_l1_pattern = CicNotationPp.pp_term
+let pp_l2_pattern = CicNotationPp.pp_term
+
+let pp_alias = function
+ | Ident_alias (id, uri) -> sprintf "alias id \"%s\" = \"%s\"" id uri
+ | Symbol_alias (symb, instance, desc) ->
+ sprintf "alias symbol \"%s\" %s= \"%s\""
+ symb
+ (if instance=0 then "" else "(instance "^ string_of_int instance ^ ") ")
+ desc
+ | Number_alias (instance,desc) ->
+ sprintf "alias num (instance %d) = \"%s\"" instance desc
+
+let pp_associativity = function
+ | Gramext.LeftA -> "left associative"
+ | Gramext.RightA -> "right associative"
+ | Gramext.NonA -> "non associative"
+
+let pp_precedence i = sprintf "with precedence %d" i
+
+let pp_argument_pattern = function
+ | CicNotationPt.IdentArg (eta_depth, name) ->
+ let eta_buf = Buffer.create 5 in
+ for i = 1 to eta_depth do
+ Buffer.add_string eta_buf "\\eta."
+ done;
+ sprintf "%s%s" (Buffer.contents eta_buf) name
+
+let pp_interpretation dsc symbol arg_patterns cic_appl_pattern =
+ sprintf "interpretation \"%s\" '%s %s = %s"
+ dsc symbol
+ (String.concat " " (List.map pp_argument_pattern arg_patterns))
+ (CicNotationPp.pp_cic_appl_pattern cic_appl_pattern)
+
+let pp_dir_opt = function
+ | None -> ""
+ | Some `LeftToRight -> "> "
+ | Some `RightToLeft -> "< "
+
+let pp_notation dir_opt l1_pattern assoc prec l2_pattern =
+ sprintf "notation %s\"%s\" %s %s for %s"
+ (pp_dir_opt dir_opt)
+ (pp_l1_pattern l1_pattern)
+ (pp_associativity assoc)
+ (pp_precedence prec)
+ (pp_l2_pattern l2_pattern)
+
+let pp_command = function
+ | Include (_,_,mode,path) -> (* not precise, since path is absolute *)
+ if mode = WithPreferences then
+ "include \"" ^ path ^ "\".\n"
+ else
+ "include' \"" ^ path ^ "\".\n"
+ | Alias (_,s) -> pp_alias s
+ | Interpretation (_, dsc, (symbol, arg_patterns), cic_appl_pattern) ->
+ pp_interpretation dsc symbol arg_patterns cic_appl_pattern
+ | Notation (_, dir_opt, l1_pattern, assoc, prec, l2_pattern) ->
+ pp_notation dir_opt l1_pattern assoc prec l2_pattern
+