let level1_pattern = Grammar.Entry.create grammar "level1_pattern"
let level2_pattern = Grammar.Entry.create grammar "level2_pattern"
let level3_term = Grammar.Entry.create grammar "level3_term"
+let l2_pattern = Grammar.Entry.create grammar "l2_pattern"
let notation = Grammar.Entry.create grammar "notation" (* level1 <-> level 2 *)
let interpretation =
Grammar.Entry.create grammar "interpretation" (* level2 <-> level 3 *)
EXTEND
GLOBAL: level1_pattern level2_pattern level3_term
+ l2_pattern
notation interpretation;
(* {{{ Grammar for concrete syntax patterns, notation level 1 *)
level1_pattern: [ [ p = l1_pattern; EOI -> boxify p ] ];
];
(* }}} *)
(* {{{ Grammar for ast patterns, notation level 2 *)
- level2_pattern: [ [ p = l2_pattern -> p ] ];
+ level2_pattern: [ [ p = l2_pattern; EOI -> p ] ];
sort: [
[ SYMBOL "\\PROP" -> `Prop
| SYMBOL "\\SET" -> `Set
[ id = IDENT -> return_term loc (Ident (id, None))
| id = IDENT; s = explicit_subst -> return_term loc (Ident (id, Some s))
| u = URI -> return_term loc (Uri (u, None))
- | n = NUMBER -> return_term loc (Num (n, 0))
+ | n = NUMBER -> prerr_endline "number"; return_term loc (Num (n, 0))
| IMPLICIT -> return_term loc (Implicit)
| m = META -> return_term loc (Meta (int_of_string m, []))
| m = META; s = meta_subst -> return_term loc (Meta (int_of_string m, s))
| s = sort -> return_term loc (Sort s)
- | s = SYMBOL -> return_term loc (Symbol (s, 0))
| outtyp = OPT [ SYMBOL "["; ty = l2_pattern; SYMBOL "]" -> ty ];
IDENT "match"; t = l2_pattern;
indty_ident = OPT [ SYMBOL ":"; id = IDENT -> id ];
type env_type = (string * (value_type * value)) list
-let make_action action =
+let rec pp_value =
+ function
+ | TermValue _ -> "@TERM@"
+ | StringValue s -> sprintf "\"%s\"" s
+ | NumValue n -> n
+ | OptValue (Some v) -> "Some " ^ pp_value v
+ | OptValue None -> "None"
+ | ListValue l -> sprintf "[%s]" (String.concat "; " (List.map pp_value l))
+
+let rec pp_value_type =
+ function
+ | TermType -> "Term"
+ | StringType -> "String"
+ | NumType -> "Number"
+ | OptType t -> "Maybe " ^ pp_value_type t
+ | ListType l -> "List " ^ pp_value_type l
+
+let pp_env env =
+ String.concat "; "
+ (List.map
+ (fun (name, (ty, value)) ->
+ sprintf "%s : %s = %s" name (pp_value_type ty) (pp_value value))
+ env)
+
+let make_action action bindings =
let rec aux (vl : env_type) =
function
- [] -> Gramext.action (fun (loc: location) -> action vl loc)
- | None :: tl -> Gramext.action (fun _ -> aux vl tl)
- | Some (name, typ) :: tl ->
- (* i tipi servono? Magari servono solo quando si verifica la
- * correttezza della notazione?
- *)
- Gramext.action (fun (v: value) -> aux ((name, (typ, v))::vl) tl)
+ [] ->
+ prerr_endline "aux: make_action";
+ Gramext.action (fun (loc: location) -> action vl loc)
+ | None :: tl ->
+ prerr_endline "aux: none";
+ Gramext.action (fun _ -> aux vl tl)
+ (* LUCA: DEFCON 3 BEGIN *)
+ | Some (name, TermType) :: tl ->
+ prerr_endline "aux: term";
+ Gramext.action
+ (fun (v:term) -> aux ((name, (TermType, (TermValue v)))::vl) tl)
+ | Some (name, StringType) :: tl ->
+ prerr_endline "aux: string";
+ Gramext.action
+ (fun (v:string) ->
+ aux ((name, (StringType, (StringValue v))) :: vl) tl)
+ | Some (name, NumType) :: tl ->
+ prerr_endline "aux: num";
+ Gramext.action
+ (fun (v:string) -> aux ((name, (NumType, (NumValue v))) :: vl) tl)
+ | Some (name, OptType t) :: tl ->
+ prerr_endline "aux: opt";
+ Gramext.action
+ (fun (v:'a option) ->
+ aux ((name, (OptType t, (OptValue v))) :: vl) tl)
+ | Some (name, ListType t) :: tl ->
+ prerr_endline "aux: list";
+ Gramext.action
+ (fun (v:'a list) ->
+ aux ((name, (ListType t, (ListValue v))) :: vl) tl)
+ (* LUCA: DEFCON 3 END *)
in
- aux []
+ aux [] (List.rev bindings)
let flatten_opt =
let rec aux acc =
(Gramext.srules
[ p_atoms,
(make_action
- (fun (env : env_type) (loc : location) -> env)
+ (fun (env : env_type) (loc : location) ->
+ prerr_endline "inner opt action";
+ env)
p_bindings)])],
Gramext.action
(fun (env_opt : env_type option) (loc : location) ->
match env_opt with
Some env ->
+ prerr_endline "opt action (Some _)";
List.map
(fun (name, (typ, v)) ->
(name, (OptType typ, OptValue (Some v))))
env
| None ->
+ prerr_endline "opt action (None)";
List.map
(fun (name, typ) ->
(name, (OptType typ, OptValue None)))
raise (Level_not_found precedence);
string_of_int precedence
-type rule_id = term Grammar.Entry.e * Token.t Gramext.g_symbol list
+type rule_id = Token.t Gramext.g_symbol list
let extend level1_pattern ?(precedence = 0) ?associativity action =
let p_bindings, p_atoms =
in
let level = level_of_int precedence in
let p_names = flatten_opt p_bindings in
- let entry = Grammar.Entry.obj (level2_pattern: 'a Grammar.Entry.e) in
+ let entry = Grammar.Entry.obj (l2_pattern: 'a Grammar.Entry.e) in
let _ =
+ prerr_endline (string_of_int (List.length p_bindings));
Grammar.extend
[ entry, Some (Gramext.Level level),
[ Some level, (* TODO should we put None here? *)
associativity,
[ p_atoms,
(make_action
- (fun (env: env_type)(loc: location) -> TermValue (action env loc))
+ (fun (env: env_type) (loc: location) -> (action env loc))
p_bindings) ]]]
in
- (level2_pattern, p_atoms)
+ p_atoms
-let delete (entry, atoms) = Grammar.delete_rule entry atoms
+let delete atoms = Grammar.delete_rule l2_pattern atoms
-let print_level2_pattern () =
- Grammar.print_entry Format.std_formatter (Grammar.Entry.obj level2_pattern);
- Format.pp_print_flush Format.std_formatter ()
+let print_l2_pattern () =
+ Grammar.print_entry Format.std_formatter (Grammar.Entry.obj l2_pattern);
+ Format.pp_print_flush Format.std_formatter ();
+ flush stdout
(* vim:set encoding=utf8 foldmethod=marker: *)