merged cic_notation with disambiguation: good luck!

[helm.git] / helm / ocaml / cic_notation / cicNotation.ml

diff --git a/helm/ocaml/cic_notation/cicNotation.ml b/helm/ocaml/cic_notation/cicNotation.ml
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+++ b/helm/ocaml/cic_notation/cicNotation.ml
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+(* 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/
+ *)
+
+open GrafiteAst
+
+type notation_id =
+  | RuleId of CicNotationParser.rule_id
+  | InterpretationId of CicNotationRew.interpretation_id
+  | PrettyPrinterId of CicNotationRew.pretty_printer_id
+
+let process_notation st =
+  match st with
+  | Notation (loc, l1, associativity, precedence, l2) ->
+      let rule_id =
+        CicNotationParser.extend l1 ?precedence ?associativity
+          (fun env loc -> CicNotationFwd.instantiate_level2 env l2)
+      in
+      let pp_id =
+        CicNotationRew.add_pretty_printer ?precedence ?associativity l2 l1
+      in
+      st, [ RuleId rule_id; PrettyPrinterId pp_id ]
+  | Interpretation (loc, dsc, l2, l3) ->
+      let interp_id = CicNotationRew.add_interpretation dsc l2 l3 in
+      st, [ InterpretationId interp_id ]
+  | st -> st, []
+
+let remove_notation = function
+  | RuleId id -> CicNotationParser.delete id
+  | PrettyPrinterId id -> CicNotationRew.remove_pretty_printer id
+  | InterpretationId id -> CicNotationRew.remove_interpretation id
+
+let load_notation fname =
+  let ic = open_in fname in
+  let istream = Stream.of_channel ic in
+  try
+    while true do
+      match GrafiteParser.parse_statement istream with
+      | Executable (_, Command (_, cmd)) -> ignore (process_notation cmd)
+      | _ -> ()
+    done
+  with End_of_file -> close_in ic
+