X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Facic_procedural%2FproceduralTypes.ml;h=ed198d99b6c66ebf7bafbf7a2f036a52668ed6c9;hb=dcef667a444aa0f189225855c1433d26b65fb8b7;hp=bc725d118f1124d3d2d3adf22492677a20a797cc;hpb=1acfe506c30e7fcc9d6e427d2523130c371a1159;p=helm.git

diff --git a/helm/software/components/acic_procedural/proceduralTypes.ml b/helm/software/components/acic_procedural/proceduralTypes.ml
index bc725d118..ed198d99b 100644
--- a/helm/software/components/acic_procedural/proceduralTypes.ml
+++ b/helm/software/components/acic_procedural/proceduralTypes.ml
@@ -23,10 +23,13 @@
  * http://cs.unibo.it/helm/.
  *)
 
-module H = HExtlib
-module C = Cic
-module G = GrafiteAst
-module N = CicNotationPt
+module HEL = HExtlib
+module C   = Cic
+module I   = CicInspect
+module G   = GrafiteAst
+module N   = CicNotationPt
+
+module H   = ProceduralHelpers
 
 (* functions to be moved ****************************************************)
 
@@ -51,26 +54,33 @@ let list_init f i =
 
 (****************************************************************************)
 
+type flavour  = C.object_flavour
 type name     = string option
 type hyp      = string
-type what     = Cic.annterm
+type what     = C.annterm
 type how      = bool
-type using    = Cic.annterm
+type using    = C.annterm
 type count    = int
 type note     = string
 type where    = (hyp * name) option
-type inferred = Cic.annterm
-type pattern  = Cic.annterm
+type inferred = C.annterm
+type pattern  = C.annterm
+type body     = C.annterm option
+type types    = C.anninductiveType list
+type lpsno    = int
 
 type step = Note of note 
-          | Theorem of name * what * note
+          | Inductive of types * lpsno * note
+	  | Statement of flavour * name * what * body * note
           | Qed of note
 	  | Id of note
+	  | Exact of what * note
 	  | Intros of count option * name list * note
 	  | Cut of name * what * note
 	  | LetIn of name * what * note
 	  | Rewrite of how * what * where * pattern * note
 	  | Elim of what * using option * pattern * note
+	  | Cases of what * pattern * note
 	  | Apply of what * note
 	  | Change of inferred * what * where * pattern * note 
 	  | Clear of hyp list * note
@@ -79,11 +89,38 @@ type step = Note of note
 
 (* annterm constructors *****************************************************)
 
-let mk_arel i b = Cic.ARel ("", "", i, b)
+let mk_arel i b = C.ARel ("", "", i, b)
+
+(* FG: this is really awful !! *)
+let arel_of_name = function
+   | C.Name s    -> mk_arel 0 s
+   | C.Anonymous -> mk_arel 0 "_"
+
+(* helper functions on left params for use with inductive types *************)
+
+let strip_lps lpsno arity =
+   let rec aux no lps = function
+      | C.AProd (_, name, w, t) when no > 0 ->
+         let lp = name, Some w in
+	 aux (pred no) (lp :: lps) t
+      | t                                   -> lps, t
+   in
+   aux lpsno [] arity
+
+let merge_lps lps1 lps2 =
+   let map (n1, w1) (n2, _) =
+      let n = match n1, n2 with
+         | C.Name _, _ -> n1
+	 | _           -> n2
+      in
+      n, w1
+   in
+   if lps1 = [] then lps2 else
+   List.map2 map lps1 lps2
 
 (* grafite ast constructors *************************************************)
 
-let floc = H.dummy_floc
+let floc = HEL.dummy_floc
 
 let mk_note str = G.Comment (floc, G.Note (floc, str))
 
@@ -96,9 +133,25 @@ let mk_notenote str a =
 let mk_thnote str a =
    if str = "" then a else mk_note "" :: mk_note str :: a
 
-let mk_theorem name t =
+let mk_inductive types lpsno =
+   let map1 (lps1, cons) (name, arity) = 
+      let lps2, arity = strip_lps lpsno arity in
+      merge_lps lps1 lps2, (name, arity) :: cons
+   in
+   let map2 (lps1, types) (_, name, kind, arity, cons) =
+      let lps2, arity = strip_lps lpsno arity in 
+      let lps1, rev_cons = List.fold_left map1 (lps1, []) cons in 
+      merge_lps lps1 lps2, (name, kind, arity, List.rev rev_cons) :: types
+   in
+   let map3 (name, xw) = arel_of_name name, xw in
+   let rev_lps, rev_types = List.fold_left map2 ([], []) types in
+   let lpars, types = List.rev_map map3 rev_lps, List.rev rev_types in
+   let obj = N.Inductive (lpars, types) in
+   G.Executable (floc, G.Command (floc, G.Obj (floc, obj)))
+
+let mk_statement flavour name t v =
    let name = match name with Some name -> name | None -> assert false in
-   let obj = N.Theorem (`Theorem, name, t, None) in
+   let obj = N.Theorem (flavour, name, t, v) in
    G.Executable (floc, G.Command (floc, G.Obj (floc, obj)))
 
 let mk_qed =
@@ -114,6 +167,10 @@ let mk_id punctation =
    let tactic = G.IdTac floc in
    mk_tactic tactic punctation
 
+let mk_exact t punctation =
+   let tactic = G.Exact (floc, t) in
+   mk_tactic tactic punctation
+
 let mk_intros xi xids punctation =
    let tactic = G.Intros (floc, (xi, xids)) in
    mk_tactic tactic punctation
@@ -131,8 +188,9 @@ let mk_letin name what punctation =
 let mk_rewrite direction what where pattern punctation =
    let direction = if direction then `RightToLeft else `LeftToRight in 
    let pattern, rename = match where with
-      | None                 -> (None, [], Some pattern), []
-      | Some (premise, name) -> (None, [premise, pattern], None), [name] 
+      | None                      -> (None, [], Some pattern), []
+      | Some (premise, Some name) -> (None, [premise, pattern], None), [Some name]
+      | Some (premise, None)      -> (None, [premise, pattern], None), [] 
    in
    let tactic = G.Rewrite (floc, direction, what, pattern, rename) in
    mk_tactic tactic punctation
@@ -142,6 +200,11 @@ let mk_elim what using pattern punctation =
    let tactic = G.Elim (floc, what, using, pattern, (Some 0, [])) in
    mk_tactic tactic punctation
 
+let mk_cases what pattern punctation =
+   let pattern = None, [], Some pattern in
+   let tactic = G.Cases (floc, what, pattern, (Some 0, [])) in
+   mk_tactic tactic punctation
+
 let mk_apply t punctation =
    let tactic = G.Apply (floc, t) in
    mk_tactic tactic punctation
@@ -177,22 +240,25 @@ let mk_vb = G.Shift floc
 (* rendering ****************************************************************)
 
 let rec render_step sep a = function
-   | Note s                  -> mk_notenote s a
-   | Theorem (n, t, s)       -> mk_theorem n t :: mk_thnote s a 
-   | Qed s                   -> mk_qed :: mk_tacnote s a
-   | Id s                    -> mk_id sep :: mk_tacnote s a
-   | Intros (c, ns, s)       -> mk_intros c ns sep :: mk_tacnote s a
-   | Cut (n, t, s)           -> mk_cut n t sep :: mk_tacnote s a
-   | LetIn (n, t, s)         -> mk_letin n t sep :: mk_tacnote s a
-   | Rewrite (b, t, w, e, s) -> mk_rewrite b t w e sep :: mk_tacnote s a
-   | Elim (t, xu, e, s)      -> mk_elim t xu e sep :: mk_tacnote s a
-   | Apply (t, s)            -> mk_apply t sep :: mk_tacnote s a
-   | Change (t, _, w, e, s)  -> mk_change t w e sep :: mk_tacnote s a
-   | Clear (ns, s)           -> mk_clear ns sep :: mk_tacnote s a
-   | ClearBody (n, s)        -> mk_clearbody n sep :: mk_tacnote s a
-   | Branch ([], s)          -> a
-   | Branch ([ps], s)        -> render_steps sep a ps
-   | Branch (ps :: pss, s)   ->      
+   | Note s                    -> mk_notenote s a
+   | Statement (f, n, t, v, s) -> mk_statement f n t v :: mk_thnote s a 
+   | Inductive (lps, ts, s)    -> mk_inductive lps ts :: mk_thnote s a
+   | Qed s                     -> mk_qed :: mk_tacnote s a
+   | Exact (t, s)              -> mk_exact t sep :: mk_tacnote s a   
+   | Id s                      -> mk_id sep :: mk_tacnote s a
+   | Intros (c, ns, s)         -> mk_intros c ns sep :: mk_tacnote s a
+   | Cut (n, t, s)             -> mk_cut n t sep :: mk_tacnote s a
+   | LetIn (n, t, s)           -> mk_letin n t sep :: mk_tacnote s a
+   | Rewrite (b, t, w, e, s)   -> mk_rewrite b t w e sep :: mk_tacnote s a
+   | Elim (t, xu, e, s)        -> mk_elim t xu e sep :: mk_tacnote s a
+   | Cases (t, e, s)           -> mk_cases t e sep :: mk_tacnote s a
+   | Apply (t, s)              -> mk_apply t sep :: mk_tacnote s a
+   | Change (t, _, w, e, s)    -> mk_change t w e sep :: mk_tacnote s a
+   | Clear (ns, s)             -> mk_clear ns sep :: mk_tacnote s a
+   | ClearBody (n, s)          -> mk_clearbody n sep :: mk_tacnote s a
+   | Branch ([], s)            -> a
+   | Branch ([ps], s)          -> render_steps sep a ps
+   | Branch (ps :: pss, s)     ->      
       let a = mk_ob :: mk_tacnote s a in
       let a = List.fold_left (render_steps mk_vb) a (List.rev pss) in
       mk_punctation sep :: render_steps mk_cb a ps
@@ -205,7 +271,7 @@ and render_steps sep a = function
    | p :: ((Branch (_ :: _ :: _, _) :: _) as ps) ->
       render_steps sep (render_step mk_sc a p) ps
    | p :: ps                                     ->
-      render_steps sep (render_step mk_dot a p) ps
+      render_steps sep (render_step mk_sc a p) ps
 
 let render_steps a = render_steps mk_dot a
 
@@ -213,9 +279,41 @@ let render_steps a = render_steps mk_dot a
 
 let rec count_step a = function
    | Note _
-   | Theorem _  
-   | Qed _           -> a
-   | Branch (pps, _) -> List.fold_left count_steps a pps
-   | _               -> succ a   
+   | Statement _
+   | Inductive _
+   | Qed _
+(* level 0 *)   
+   | Intros (Some 0, [], _)
+   | Id _
+   | Exact _
+   | Change _
+   | Clear _
+   | ClearBody _            -> a
+   | Branch (pps, _)        -> List.fold_left count_steps a pps
+(* level 1 *)   
+   | _                      -> succ a   
 
 and count_steps a = List.fold_left count_step a
+
+let count = I.count_nodes ~meta:false
+
+let rec count_node a = function
+   | Note _
+   | Inductive _
+   | Statement _
+   | Qed _   
+   | Id _
+   | Intros _
+   | Clear _
+   | ClearBody _             -> a
+   | Exact (t, _) 
+   | Cut (_, t, _)
+   | LetIn (_, t, _)
+   | Apply (t, _)            -> count a (H.cic t)
+   | Rewrite (_, t, _, p, _)
+   | Elim (t, _, p, _)
+   | Cases (t, p, _)
+   | Change (t, _, _, p, _)  -> let a = count a (H.cic t) in count a (H.cic p) 
+   | Branch (ss, _)          -> List.fold_left count_nodes a ss
+
+and count_nodes a = List.fold_left count_node a