the refactoring continues ....

[helm.git] / helm / software / lambda-delta / src / complete_rg / crgOutput.ml

diff --git a/helm/software/lambda-delta/src/complete_rg/crgOutput.ml b/helm/software/lambda-delta/src/complete_rg/crgOutput.ml
new file mode 100644 (file)
index 0000000..6da54cb
--- /dev/null
+++ b/helm/software/lambda-delta/src/complete_rg/crgOutput.ml
@@ -0,0 +1,59 @@
+(*
+    ||M||  This file is part of HELM, an Hypertextual, Electronic        
+    ||A||  Library of Mathematics, developed at the Computer Science     
+    ||T||  Department, University of Bologna, Italy.                     
+    ||I||                                                                
+    ||T||  HELM is free software; you can redistribute it and/or         
+    ||A||  modify it under the terms of the GNU General Public License   
+    \   /  version 2 or (at your option) any later version.              
+     \ /   This software is distributed as is, NO WARRANTY.              
+      V_______________________________________________________________ *)
+
+module P = Printf
+module U = NUri
+module C = Cps
+module H = Hierarchy
+module Y = Entity
+module D = Crg
+
+(****************************************************************************)
+
+let pp_attrs out a =
+   let map = function
+      | Y.Name (s, true)  -> out (P.sprintf "%s;" s)
+      | Y.Name (s, false) -> out (P.sprintf "~%s;" s)
+      | Y.Apix i          -> out (P.sprintf "+%i;" i)
+      | Y.Mark i          -> out (P.sprintf "@%i;" i)
+      | Y.Meta s          -> out (P.sprintf "\"%s\";" s)
+      | Y.Priv            -> out (P.sprintf "%s;" "~")
+   in
+   List.iter map a
+
+let rec pp_term out = function
+   | D.TSort (a, l)    -> pp_attrs out a; out (P.sprintf "*%u" l)
+   | D.TLRef (a, i, j) -> pp_attrs out a; out (P.sprintf "#(%u,%u)" i j)
+   | D.TGRef (a, u)    -> pp_attrs out a; out (P.sprintf "$")
+   | D.TCast (a, x, y) -> pp_attrs out a; out "<"; pp_term out x; out ">."; pp_term out y
+   | D.TProj (a, x, y) -> assert false
+   | D.TAppl (a, x, y) -> pp_attrs out a; pp_terms "(" ")" out x; pp_term out y
+   | D.TBind (a, x, y) -> pp_attrs out a; pp_bind out x; pp_term out y
+
+and pp_terms bg eg out vs =
+   let rec aux = function
+      | []      -> ()
+      | [v]     -> pp_term out v
+      | v :: vs -> pp_term out v; out ", "; aux vs
+   in
+   out bg; aux vs; out (eg ^ ".")
+
+and pp_bind out = function
+   | D.Abst x -> pp_terms "[:" "]" out x
+   | D.Abbr x -> pp_terms "[=" "]" out x
+   | D.Void x -> out (P.sprintf "[%u]" x)
+
+let rec pp_lenv out = function
+   | D.ESort           -> ()
+   | D.EProj (x, a, y) -> assert false
+   | D.EBind (x, a, y) -> pp_lenv out x; pp_attrs out a; pp_bind out y
+
+(****************************************************************************)