Initial revision

[helm.git] / helm / interface / reduction.ml

diff --git a/helm/interface/reduction.ml b/helm/interface/reduction.ml
new file mode 100644 (file)
index 0000000..8acb8eb
--- /dev/null
+++ b/helm/interface/reduction.ml
@@ -0,0 +1,70 @@
+let read_from_stdin = ref false;;
+let uris_in_input = ref false;;
+let reduction_only = ref false;;
+
+let parse uri =
+ print_endline ("^^^" ^ uri ^ "^^^") ;
+ print_string (CicPp.ppobj (CicCache.get_obj (UriManager.uri_of_string uri))) ;
+ print_endline ("\n$$$" ^ uri ^ "$$$\n")
+;;
+
+let uri_of_filename fn =
+ if !uris_in_input then fn
+ else
+  let uri =
+   Str.replace_first (Str.regexp (Str.quote Configuration.helm_dir)) "cic:" fn
+  in
+   let uri' = Str.replace_first (Str.regexp "\.xml$") "" uri in
+    uri'
+;;
+
+(* filenames are read from command line and converted to uris via *)
+(* uri_of_filenames; then the cic terms are load in cache via     *)
+(* CicCache.get_obj and then pretty printed via CicPp.ppobj       *)
+
+exception NotADefinition;;
+
+let main () =
+ let files = ref [] in
+ Arg.parse
+  ["-stdin", Arg.Set read_from_stdin, "Read from stdin" ;
+   "-uris", Arg.Set uris_in_input, "Read uris, not filenames" ;
+   "-update", Arg.Unit Getter.update, "Update the getter view of the world" ;
+   "-reduction", Arg.Set reduction_only, "Do reduction instead of tyepchecking"]
+  (fun x -> files := (uri_of_filename x) :: !files)
+  "
+usage: experiment file ...
+
+List of options:";
+ if !read_from_stdin then
+  begin
+   try
+    while true do
+     let l = Str.split (Str.regexp " ") (read_line ()) in
+      List.iter (fun x -> files := (uri_of_filename x) :: !files) l
+    done
+   with
+    End_of_file -> ()
+  end ;
+ files := List.rev !files;
+  List.iter
+   (function x ->
+     print_string x ;
+     flush stdout ;
+     (try
+       if !reduction_only then
+        match CicCache.get_obj (UriManager.uri_of_string x) with
+           Cic.Definition (_,bo,_,_) ->
+            CicTypeChecker.typecheck (UriManager.uri_of_string x) ;
+            ignore (CicReduction.whd bo)
+         | _ -> raise NotADefinition
+       else
+        CicTypeChecker.typecheck (UriManager.uri_of_string x)
+     with
+       e -> print_newline () ; flush stdout ; raise e ) ;
+     print_endline " OK!" ;
+     flush stdout
+   ) !files
+;;
+
+main ();;