+
+ record_spec: [ [
+ name = IDENT; params = LIST0 [ arg = arg -> arg ] ;
+ SYMBOL ":"; typ = term; SYMBOL <:unicode<def>>; PAREN "{" ;
+ fields = LIST0 [
+ name = IDENT ; SYMBOL ":" ; ty = term -> (name,ty)
+ ] SEP SYMBOL ";"; PAREN "}" ->
+ let params =
+ List.fold_right
+ (fun (names, typ) acc ->
+ (List.map (fun name -> (name, typ)) names) @ acc)
+ params []
+ in
+ (params,name,typ,fields)
+ ] ];
+
+ macro: [
+ [ [ IDENT "quit" ] -> TacticAst.Quit loc
+(* | [ IDENT "abort" ] -> TacticAst.Abort loc *)
+ | [ IDENT "print" ]; name = QSTRING -> TacticAst.Print (loc, name)
+(* | [ IDENT "undo" ]; steps = OPT NUM ->
+ TacticAst.Undo (loc, int_opt steps)
+ | [ IDENT "redo" ]; steps = OPT NUM ->
+ TacticAst.Redo (loc, int_opt steps) *)
+ | [ IDENT "check" ]; t = term ->
+ TacticAst.Check (loc, t)
+ | [ IDENT "hint" ] -> TacticAst.Hint loc
+ | [ IDENT "whelp"; "match" ] ; t = term ->
+ TacticAst.WMatch (loc,t)
+ | [ IDENT "whelp"; IDENT "instance" ] ; t = term ->
+ TacticAst.WInstance (loc,t)
+ | [ IDENT "whelp"; IDENT "locate" ] ; id = IDENT ->
+ TacticAst.WLocate (loc,id)
+ | [ IDENT "whelp"; IDENT "elim" ] ; t = term ->
+ TacticAst.WElim (loc, t)
+ | [ IDENT "whelp"; IDENT "hint" ] ; t = term ->
+ TacticAst.WHint (loc,t)
+ | [ IDENT "print" ]; name = QSTRING -> TacticAst.Print (loc, name)
+ ]
+ ];
+
+ alias_spec: [
+ [ IDENT "id"; id = QSTRING; SYMBOL "="; uri = QSTRING ->
+ let alpha = "[a-zA-Z]" in
+ let num = "[0-9]+" in
+ let ident_cont = "\\("^alpha^"\\|"^num^"\\|_\\|\\\\\\)" in
+ let ident = "\\("^alpha^ident_cont^"*\\|_"^ident_cont^"+\\)" in
+ let rex = Str.regexp ("^"^ident^"$") in
+ if Str.string_match rex id 0 then
+ if (try ignore (UriManager.uri_of_string uri); true
+ with UriManager.IllFormedUri _ -> false)
+ then
+ TacticAst.Ident_alias (id, uri)
+ else
+ raise (Parse_error (loc,sprintf "Not a valid uri: %s" uri))
+ else
+ raise (Parse_error (loc,sprintf "Not a valid identifier: %s" id))
+ | IDENT "symbol"; symbol = QSTRING;
+ instance = OPT [ PAREN "("; IDENT "instance"; n = NUM; PAREN ")" -> n ];
+ SYMBOL "="; dsc = QSTRING ->
+ let instance =
+ match instance with Some i -> int_of_string i | None -> 0
+ in
+ TacticAst.Symbol_alias (symbol, instance, dsc)
+ | IDENT "num";
+ instance = OPT [ PAREN "("; IDENT "instance"; n = NUM; PAREN ")" -> n ];
+ SYMBOL "="; dsc = QSTRING ->
+ let instance =
+ match instance with Some i -> int_of_string i | None -> 0
+ in
+ TacticAst.Number_alias (instance, dsc)
+ ]
+ ];
+
+ command: [[
+ [ IDENT "set" ]; n = QSTRING; v = QSTRING ->
+ TacticAst.Set (loc, n, v)
+ | [ IDENT "drop" ] -> TacticAst.Drop loc
+ | [ IDENT "qed" ] -> TacticAst.Qed loc
+ | flavour = theorem_flavour; name = IDENT; SYMBOL ":"; typ = term;
+ body = OPT [ SYMBOL <:unicode<def>> (* ≝ *); body = term -> body ] ->
+ TacticAst.Obj (loc,TacticAst.Theorem (flavour, name, typ, body))
+ | flavour = theorem_flavour; name = IDENT;