open Printf
+module Pp = CicNotationPp
module Pt = CicNotationPt
module Env = CicNotationEnv
module Util = CicNotationUtil
| hd :: tl -> k (hd :: matched_terms) tl
| _ -> assert false)
+ let success_closure ks k =
+ (fun matched_terms terms ->
+ match ks matched_terms with
+ None ->
+ begin
+ (* the match has failed, we rollback the last matched term
+ * into the unmatched ones and call the failure continuation
+ *)
+ match matched_terms with
+ hd :: tl -> k tl (hd :: terms)
+ | _ -> assert false
+ end
+ | Some v -> Some v)
+
let constructor_closure ks k =
(fun matched_terms terms ->
match terms with
if t = [] then
k
else if are_empty t then
- let res = match_cb (matched t) in
- (fun matched_terms _ -> res matched_terms)
+ success_closure (match_cb (matched t)) k
else
match horizontal_split t with
| _, [], _ -> assert false
struct
type pattern_t = Pt.term
type term_t = Pt.term
- let classify = function
+ let rec classify = function
+ | Pt.AttributedTerm (_, t) -> classify t
| Pt.Variable _ -> Variable
| Pt.Magic _
| Pt.Layout _
(fun env ->
match m_checker (Env.lookup_term env name) env with
| None -> None
- | Some env' -> f env'))
+ | Some env' ->
+ f env'))
(fun env -> Some env)
map
in
let env = env_of_matched pl matched_terms in
match checker env with
| None -> f matched_terms
- | Some env -> Some (env, pid)))
+ | Some env ->
+ let magic_map =
+ try List.assoc pid magic_maps with Not_found -> assert false
+ in
+ let env' = Env.remove_names env (List.map fst magic_map) in
+ Some (env', pid)))
(fun _ -> None)
- candidates
+ (List.rev candidates)
in
let match_cb rows =
let candidates =
pid, pl, magichecker magic_map)
rows
in
- magichooser candidates
+ magichooser candidates
in
M.compiler rows' match_cb (fun _ -> None)
and compile_magic = function
| Pt.Fold (kind, p_base, names, p_rec) ->
let p_rec_decls = Env.declarations_of_term p_rec in
+ (* LUCA: p_rec_decls should not contain "names" *)
let acc_name = try List.hd names with Failure _ -> assert false in
- let compiled = compiler [p_base, 0; p_rec, 1] in
- (fun term env ->
- let rec aux term =
- match compiled term with
- | None -> None
- | Some (env', 0) -> Some (env', [])
- | Some (env', 1) ->
- begin
- let acc = Env.lookup_term env' acc_name in
- let env'' = Env.remove env' acc_name in
- match aux acc with
- | None -> None
- | Some (base_env, rec_envl) ->
- Some (base_env, env'' :: rec_envl )
- end
- | _ -> assert false
- in
- match aux term with
- | None -> None
- | Some (base_env, rec_envl) ->
- Some (base_env @ Env.coalesce_env p_rec_decls rec_envl))
+ let compiled_base = compiler [p_base, 0]
+ and compiled_rec = compiler [p_rec, 0] in
+ (fun term env ->
+ let aux_base term =
+ match compiled_base term with
+ | None -> None
+ | Some (env', _) -> Some (env', [])
+ in
+ let rec aux term =
+ match compiled_rec term with
+ | None -> aux_base term
+ | Some (env', _) ->
+ begin
+ let acc = Env.lookup_term env' acc_name in
+ let env'' = Env.remove_name env' acc_name in
+ match aux acc with
+ | None -> aux_base term
+ | Some (base_env, rec_envl) ->
+ Some (base_env, env'' :: rec_envl)
+ end
+ in
+ match aux term with
+ | None -> None
+ | Some (base_env, rec_envl) ->
+ Some (base_env @ Env.coalesce_env p_rec_decls rec_envl @ env)) (* @ env LUCA!!! *)
+
| Pt.Default (p_some, p_none) -> (* p_none can't bound names *)
let p_some_decls = Env.declarations_of_term p_some in
let none_env = List.map Env.opt_binding_of_name p_some_decls in
let compiled = compiler [p_some, 0] in
(fun term env ->
match compiled term with
- | None -> Some none_env
+ | None -> Some none_env (* LUCA: @ env ??? *)
| Some (env', 0) -> Some (List.map Env.opt_binding_some env' @ env)
| _ -> assert false)
+
+ | Pt.If (p_test, p_true, p_false) ->
+ let compiled_test = compiler [p_test, 0]
+ and compiled_true = compiler [p_true, 0]
+ and compiled_false = compiler [p_false, 0] in
+ (fun term env ->
+ let branch =
+ match compiled_test term with
+ | None -> compiled_false
+ | Some _ -> compiled_true
+ in
+ match branch term with
+ | None -> None
+ | Some (env', _) -> Some (env' @ env))
+
+ | Pt.Fail -> (fun _ _ -> None)
+
| _ -> assert false
end
let mask_of_appl_pattern = function
| Pt.UriPattern uri -> Uri uri, []
+ | Pt.ImplicitPattern
| Pt.VarPattern _ -> Blob, []
| Pt.ApplPattern pl -> Appl (List.map (fun _ -> Blob) pl), pl
type term_t = Cic.annterm
let classify = function
+ | Pt.ImplicitPattern
| Pt.VarPattern _ -> Variable
- | _ -> Constructor
+ | Pt.UriPattern _
+ | Pt.ApplPattern _ -> Constructor
end
module M = Matcher (Pattern32)
List.map2
(fun p t ->
match p with
+ | Pt.ImplicitPattern -> Util.fresh_name (), t
| Pt.VarPattern name -> name, t
| _ -> assert false)
pl matched_terms