Notation for "ex" introduced. It is the same as the notation for forall,

[helm.git] / helm / ocaml / cic / cicUtil.ml

diff --git a/helm/ocaml/cic/cicUtil.ml b/helm/ocaml/cic/cicUtil.ml
index 1c5d603caffcaa61b78ee158fc1235ae01f643b7..07f39896c3050396c9e72a194c88931cfe3d7158 100644 (file)
--- a/helm/ocaml/cic/cicUtil.ml
+++ b/helm/ocaml/cic/cicUtil.ml
@@ -23,10 +23,11 @@
  * http://helm.cs.unibo.it/
  *)
 
+open Printf
+
 exception Meta_not_found of int
 exception Subst_not_found of int
 
-
 let lookup_meta index metasenv =
   try
     List.find (fun (index', _, _) -> index = index') metasenv
@@ -137,12 +138,12 @@ let rec is_meta_closed =
 let xpointer_RE = Str.regexp "\\([^#]+\\)#xpointer(\\(.*\\))"
 let slash_RE = Str.regexp "/"
 
-let term_of_uri s =
-  let uri = UriManager.uri_of_string s in
+let term_of_uri uri =
+  let s = UriManager.string_of_uri uri in
   try
-    (if String.sub s (String.length s - 4) 4 = ".con" then
+    (if UriManager.uri_is_con uri then
       Cic.Const (uri, [])
-    else if String.sub s (String.length s - 4) 4 = ".var" then
+    else if UriManager.uri_is_var uri then
       Cic.Var (uri, [])
     else if not (Str.string_match xpointer_RE s 0) then
       raise (UriManager.IllFormedUri s)
@@ -160,3 +161,91 @@ let term_of_uri s =
   | Failure _
   | Not_found -> raise (UriManager.IllFormedUri s)
 
+let uri_of_term = function
+  | Cic.Const (uri, [])
+  | Cic.Var (uri, []) -> uri
+  | Cic.MutInd (baseuri, tyno, []) ->
+     UriManager.uri_of_string
+      (sprintf "%s#xpointer(1/%d)" (UriManager.string_of_uri baseuri) (tyno+1))
+  | Cic.MutConstruct (baseuri, tyno, consno, []) ->
+     UriManager.uri_of_string
+      (sprintf "%s#xpointer(1/%d/%d)" (UriManager.string_of_uri baseuri)
+        (tyno + 1) consno)
+  | _ -> raise (Invalid_argument "uri_of_term")
+
+
+(*
+let pack terms =
+  List.fold_right
+    (fun term acc -> Cic.Prod (Cic.Anonymous, term, acc))
+    terms (Cic.Sort (Cic.Type (CicUniv.fresh ())))
+
+let rec unpack = function
+  | Cic.Prod (Cic.Anonymous, term, Cic.Sort (Cic.Type _)) -> [term]
+  | Cic.Prod (Cic.Anonymous, term, tgt) -> term :: unpack tgt
+  | _ -> assert false
+*)
+
+let rec strip_prods n = function
+  | t when n = 0 -> t
+  | Cic.Prod (_, _, tgt) when n > 0 -> strip_prods (n-1) tgt
+  | _ -> failwith "not enough prods"
+
+let params_of_obj = function
+  | Cic.Constant (_, _, _, params, _)
+  | Cic.Variable (_, _, _, params, _)
+  | Cic.CurrentProof (_, _, _, _, params, _)
+  | Cic.InductiveDefinition (_, params, _, _) ->
+      params
+
+let attributes_of_obj = function
+  | Cic.Constant (_, _, _, _, attributes)
+  | Cic.Variable (_, _, _, _, attributes)
+  | Cic.CurrentProof (_, _, _, _, _, attributes)
+  | Cic.InductiveDefinition (_, _, _, attributes) ->
+      attributes
+let rec mk_rels howmany from =
+  match howmany with 
+  | 0 -> []
+  | _ -> (Cic.Rel (howmany + from)) :: (mk_rels (howmany-1) from)
+
+let profiling_enabled = false
+
+type profiler = { profile : 'a 'b. ('a -> 'b) -> 'a -> 'b }
+let profile =
+ if profiling_enabled then
+  function s ->
+   let total = ref 0.0 in
+   let profile f x =
+    let before = Unix.gettimeofday () in
+    let res = f x in
+    let after = Unix.gettimeofday () in
+     total := !total +. (after -. before);
+     res
+   in
+   at_exit
+    (fun () ->
+      print_endline
+       ("!! TOTAL TIME SPENT IN " ^ s ^ ": " ^ string_of_float !total));
+   { profile = profile }
+ else
+  function _ -> { profile = fun f x -> f x }
+
+let id_of_annterm =
+  function
+  | Cic.ARel (id,_,_,_)
+  | Cic.AVar (id,_,_)
+  | Cic.AMeta (id,_,_)
+  | Cic.ASort (id,_)
+  | Cic.AImplicit (id,_)
+  | Cic.ACast (id,_,_)
+  | Cic.AProd (id,_,_,_)
+  | Cic.ALambda (id,_,_,_)
+  | Cic.ALetIn (id,_,_,_)
+  | Cic.AAppl (id,_)
+  | Cic.AConst (id,_,_)
+  | Cic.AMutInd (id,_,_,_)
+  | Cic.AMutConstruct (id,_,_,_,_)
+  | Cic.AMutCase (id,_,_,_,_,_)
+  | Cic.AFix (id,_,_)
+  | Cic.ACoFix (id,_,_) -> id