helm/ocaml/cic_disambiguation/arit_notation.ml

   1 (* Copyright (C) 2004, HELM Team.
   2  *
   3  * This file is part of HELM, an Hypertextual, Electronic
   4  * Library of Mathematics, developed at the Computer Science
   5  * Department, University of Bologna, Italy.
   6  *
   7  * HELM is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  *
  12  * HELM is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with HELM; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  20  * MA  02111-1307, USA.
  21  *
  22  * For details, see the HELM World-Wide-Web page,
  23  * http://helm.cs.unibo.it/
  24  *)
  25
  26 open CicTextualParser2
  27
  28 EXTEND
  29   term: LEVEL "add"
  30     [
  31       [ t1 = term; SYMBOL "+"; t2 = term ->
  32           return_term loc (CicAst.Appl [CicAst.Symbol ("plus", 0); t1; t2])
  33       | t1 = term; SYMBOL "-"; t2 = term ->
  34           return_term loc (CicAst.Appl [CicAst.Symbol ("minus", 0); t1; t2])
  35       ]
  36     ];
  37   term: LEVEL "mult"
  38     [
  39       [ t1 = term; SYMBOL "*"; t2 = term ->
  40           return_term loc (CicAst.Appl [CicAst.Symbol ("times", 0); t1; t2])
  41       | t1 = term; SYMBOL "/"; t2 = term ->
  42           return_term loc (CicAst.Appl [CicAst.Symbol ("divide", 0); t1; t2])
  43       ]
  44     ];
  45   term: LEVEL "inv"
  46     [
  47       [ SYMBOL "-"; t = term ->
  48         return_term loc (CicAst.Appl [CicAst.Symbol ("uminus", 0); t])
  49       ]
  50     ];
  51   term: LEVEL "relop"
  52     [
  53       [ t1 = term; SYMBOL <:unicode<leq>> (* ≤ *); t2 = term ->
  54           return_term loc (CicAst.Appl [CicAst.Symbol ("leq", 0); t1; t2])
  55       | t1 = term; SYMBOL <:unicode<geq>> (* ≥ *); t2 = term ->
  56           return_term loc (CicAst.Appl [CicAst.Symbol ("geq", 0); t1; t2])
  57       | t1 = term; SYMBOL "<"; t2 = term ->
  58           return_term loc (CicAst.Appl [CicAst.Symbol ("lt", 0); t1; t2])
  59       | t1 = term; SYMBOL ">"; t2 = term ->
  60           return_term loc (CicAst.Appl [CicAst.Symbol ("gt", 0); t1; t2])
  61       | t1 = term; SYMBOL <:unicode<ne>> (* ≠ *); t2 = term ->
  62           return_term loc (CicAst.Appl [CicAst.Symbol ("neq", 0); t1; t2])
  63       ]
  64     ];
  65 END
  66
  67 let _ =
  68   let const s = Cic.Const (s, []) in
  69   let mutind s = Cic.MutInd (s, 0, []) in
  70
  71   DisambiguateChoices.add_num_choice
  72     ("natural number",
  73       (fun _ num _ -> HelmLibraryObjects.build_nat (int_of_string num)));
  74   DisambiguateChoices.add_num_choice
  75     ("real number",
  76       (fun _ num _ -> HelmLibraryObjects.build_real (int_of_string num)));
  77   DisambiguateChoices.add_num_choice
  78     ("binary positive number",
  79       (fun _ num _ ->
  80         let num = int_of_string num in
  81         if num = 0 then
  82           raise DisambiguateChoices.Invalid_choice
  83         else
  84           HelmLibraryObjects.build_bin_pos num));
  85   DisambiguateChoices.add_num_choice
  86     ("binary integer number",
  87       (fun _ num _ ->
  88         let num = int_of_string num in
  89         if num = 0 then
  90           HelmLibraryObjects.BinInt.z0
  91         else if num > 0 then
  92           Cic.Appl [
  93             HelmLibraryObjects.BinInt.zpos;
  94             HelmLibraryObjects.build_bin_pos num ]
  95         else
  96           assert false));
  97
  98   DisambiguateChoices.add_binary_op "plus" "natural plus"
  99     HelmLibraryObjects.Peano.plus;
 100   DisambiguateChoices.add_binary_op "plus" "real plus"
 101     HelmLibraryObjects.Reals.rplus;
 102   DisambiguateChoices.add_binary_op "plus" "binary integer plus"
 103     HelmLibraryObjects.BinInt.zplus;
 104   DisambiguateChoices.add_binary_op "plus" "binary positive plus"
 105     HelmLibraryObjects.BinPos.pplus;
 106   DisambiguateChoices.add_binary_op "minus" "natural minus"
 107     (const HelmLibraryObjects.Peano.minus_URI);
 108   DisambiguateChoices.add_binary_op "minus" "real minus"
 109     (const HelmLibraryObjects.Reals.rminus_URI);
 110   DisambiguateChoices.add_binary_op "minus" "binary integer minus"
 111     HelmLibraryObjects.BinInt.zminus;
 112   DisambiguateChoices.add_binary_op "minus" "binary positive minus"
 113     HelmLibraryObjects.BinPos.pminus;
 114   DisambiguateChoices.add_binary_op "times" "natural times"
 115     (const HelmLibraryObjects.Peano.mult_URI);
 116   DisambiguateChoices.add_binary_op "times" "real times"
 117     (const HelmLibraryObjects.Reals.rmult_URI);
 118   DisambiguateChoices.add_binary_op "times" "binary positive times"
 119     HelmLibraryObjects.BinPos.pmult;
 120   DisambiguateChoices.add_binary_op "divide" "real divide"
 121     (const HelmLibraryObjects.Reals.rdiv_URI);
 122   DisambiguateChoices.add_unary_op "uminus" "real unary minus"
 123     (const HelmLibraryObjects.Reals.ropp_URI);
 124   DisambiguateChoices.add_unary_op "uminus" "binary integer negative sign"
 125     (HelmLibraryObjects.BinInt.zneg);
 126   DisambiguateChoices.add_unary_op "uminus" "binary integer unary minus"
 127     (HelmLibraryObjects.BinInt.zopp);
 128
 129   DisambiguateChoices.add_binary_op "leq" "natural 'less or equal to'"
 130     (mutind HelmLibraryObjects.Peano.le_URI);
 131   DisambiguateChoices.add_binary_op "leq" "real 'less or equal to'"
 132     (const HelmLibraryObjects.Reals.rle_URI);
 133   DisambiguateChoices.add_binary_op "geq" "natural 'greater or equal to'"
 134     (const HelmLibraryObjects.Peano.ge_URI);
 135   DisambiguateChoices.add_binary_op "geq" "real 'greater or equal to'"
 136     (const HelmLibraryObjects.Reals.rge_URI);
 137   DisambiguateChoices.add_binary_op "lt" "natural 'less than'"
 138     (const HelmLibraryObjects.Peano.lt_URI);
 139   DisambiguateChoices.add_binary_op "lt" "real 'less than'"
 140     (const HelmLibraryObjects.Reals.rlt_URI);
 141   DisambiguateChoices.add_binary_op "gt" "natural 'greater than'"
 142     (const HelmLibraryObjects.Peano.gt_URI);
 143   DisambiguateChoices.add_binary_op "gt" "real 'greater than'"
 144     (const HelmLibraryObjects.Reals.rgt_URI);
 145   DisambiguateChoices.add_symbol_choice "neq"
 146     ("not equal to (leibnitz)",
 147       (fun env _ args ->
 148         let t1, t2 =
 149           match args with
 150           | [t1; t2] -> t1, t2
 151           | _ -> raise DisambiguateChoices.Invalid_choice
 152         in
 153         Cic.Appl [ const HelmLibraryObjects.Logic.not_URI;
 154           Cic.Appl [
 155             Cic.MutInd (HelmLibraryObjects.Logic.eq_URI, 0, []);
 156               Cic.Implicit (Some `Type); t1; t2 ] ]));
 157
 158 (* vim:set encoding=utf8: *)