1 files changed, 98 insertions, 0 deletions
diff --git a/dev/vm_printers.ml b/dev/vm_printers.ml
new file mode 100644
index 00000000..c037eca7
--- /dev/null
+++ b/dev/vm_printers.ml
@@ -0,0 +1,98 @@
+open Format
+open Term
+open Names
+open Cbytecodes
+open Cemitcodes
+open Vm
+
+let ppripos (ri,pos) =
+  (match ri with
+  | Reloc_annot a -> 
+      let sp,i = a.ci.ci_ind in
+      print_string 
+	("annot : MutInd("^(string_of_kn sp)^","^(string_of_int i)^")\n")
+  | Reloc_const _ ->
+      print_string "structured constant\n"
+  | Reloc_getglobal kn ->
+      print_string ("getglob "^(string_of_con kn)^"\n"));
+   print_flush ()
+
+let print_vfix () = print_string "vfix"
+let print_vfix_app () = print_string "vfix_app"
+let print_vswith () = print_string "switch"
+
+let ppsort = function
+  | Prop(Pos) -> print_string "Set"
+  | Prop(Null) -> print_string "Prop"
+  | Type u -> print_string "Type"
+
+
+
+let print_idkey idk =
+  match idk with 
+  | ConstKey sp -> 
+      print_string "Cons(";
+      print_string (string_of_con sp);
+      print_string ")"
+  | VarKey id -> print_string (string_of_id id)
+  | RelKey i -> print_string "~";print_int i
+
+let rec ppzipper z =
+  match z with 
+  | Zapp args -> 
+      let n = nargs args in
+      open_hbox ();
+      for i = 0 to n-2 do
+	ppvalues (arg args i);print_string ";";print_space()
+      done;
+      if n-1 >= 0 then ppvalues (arg args (n-1));
+      close_box()
+  | Zfix _ -> print_string "Zfix"
+  | Zswitch _ -> print_string "Zswitch"
+
+and ppstack s = 
+  open_hovbox 0;
+  print_string "[";
+  List.iter (fun z -> ppzipper z;print_string " | ") s;
+  print_string "]";
+  close_box()
+
+and ppatom a =
+  match a with
+  | Aid idk -> print_idkey idk
+  | Aiddef(idk,_) -> print_string "&";print_idkey idk
+  | Aind(sp,i) ->  print_string "Ind(";
+      print_string (string_of_kn sp);
+      print_string ","; print_int i;
+      print_string ")"
+  | Afix_app _ -> print_vfix_app ()
+  | Aswitch _ -> print_vswith()
+
+and ppwhd whd =
+  match whd with 
+  | Vsort s -> ppsort s
+  | Vprod _ -> print_string "product"
+  | Vfun _ -> print_string "function"
+  | Vfix _ -> print_vfix()
+  | Vfix_app _ -> print_vfix_app()
+  | Vcofix _ -> print_string "cofix"
+  | Vcofix_app _ -> print_string "cofix_app"
+  | Vconstr_const i -> print_string "C(";print_int i;print_string")"
+  | Vconstr_block b -> ppvblock b      
+  | Vatom_stk(a,s) ->
+      open_hbox();ppatom a;close_box();
+      print_string"@";ppstack s
+
+and ppvblock b =
+  open_hbox();
+  print_string "Cb(";print_int (btag b);
+  let n = bsize b in
+  for i = 0 to n -1 do
+    print_string ",";ppvalues (bfield b i)
+  done;
+  print_string")";
+  close_box()
+
+and ppvalues v =
+  open_hovbox 0;ppwhd (whd_val v);close_box();
+  print_flush()