* http://helm.cs.unibo.it/
*)
-open Ast
-open Parser
+open CicTextualParser2
EXTEND
term: LEVEL "add"
[
[ t1 = term; SYMBOL "+"; t2 = term ->
- return_term loc (Appl_symbol ("plus", [t1; t2]))
+ return_term loc (CicAst.Appl [CicAst.Symbol ("plus", 0); t1; t2])
| t1 = term; SYMBOL "-"; t2 = term ->
- return_term loc (Appl_symbol ("minus", [t1; t2]))
+ return_term loc (CicAst.Appl [CicAst.Symbol ("minus", 0); t1; t2])
]
];
term: LEVEL "mult"
[
[ t1 = term; SYMBOL "*"; t2 = term ->
- return_term loc (Appl_symbol ("times", [t1; t2]))
+ return_term loc (CicAst.Appl [CicAst.Symbol ("times", 0); t1; t2])
| t1 = term; SYMBOL "/"; t2 = term ->
- return_term loc (Appl_symbol ("div", [t1; t2]))
+ return_term loc (CicAst.Appl [CicAst.Symbol ("div", 0); t1; t2])
]
];
term: LEVEL "inv"
[
- [ SYMBOL "-"; t = term -> return_term loc (Appl_symbol ("uminus", [t])) ]
+ [ SYMBOL "-"; t = term ->
+ return_term loc (CicAst.Appl [CicAst.Symbol ("uminus", 0); t])
+ ]
];
END
+
+let _ =
+ DisambiguateChoices.add_num_choice
+ ("natural number",
+ (fun _ num _ -> HelmLibraryObjects.build_nat (int_of_string num)));
+ DisambiguateChoices.add_num_choice
+ ("real number",
+ (fun _ num _ -> HelmLibraryObjects.build_real (int_of_string num)));
+ DisambiguateChoices.add_symbol_choice "plus"
+ ("natural plus",
+ (fun env _ args ->
+ let t1, t2 =
+ match args with
+ | [t1; t2] -> t1, t2
+ | _ -> raise DisambiguateChoices.Invalid_choice
+ in
+ Cic.Appl [ HelmLibraryObjects.Peano.plus; t1; t2 ]));
+ DisambiguateChoices.add_symbol_choice "plus"
+ ("real plus",
+ (fun env _ args ->
+ let t1, t2 =
+ match args with
+ | [t1; t2] -> t1, t2
+ | _ -> raise DisambiguateChoices.Invalid_choice
+ in
+ Cic.Appl [ HelmLibraryObjects.Reals.rplus; t1; t2 ]));
+