* http://helm.cs.unibo.it/
*)
-exception Checksum_failure of string
-exception Corrupt_moo of string
-exception Version_mismatch of string
+type ast_command = Cic.obj GrafiteAst.command
+type moo = ast_command list
-type ast_command = (Cic.term, Cic.obj) GrafiteAst.command
-type moo = ast_command list * GrafiteAst.metadata list (** <moo, metadata> *)
+let format_name = "grafite"
-let marshal_flags = []
+let save_moo_to_file ~fname moo =
+ HMarshal.save ~fmt:format_name ~version:GrafiteAst.magic ~fname moo
-(** .moo file format
- * - an integer -- magic number -- denoting the version of the dumped data
- * structure. Different magic numbers stand for incompatible data structures
- * - an integer -- checksum -- denoting the hash value (computed with
- * Hashtbl.hash) of the string representation of the dumped data structur
- * - marshalled pair: first component is a list of GrafiteAst.command (real moo
- * content), second component is a list of GrafiteAst.metadata
- *)
+let load_moo_from_file ~fname =
+ let raw = HMarshal.load ~fmt:format_name ~version:GrafiteAst.magic ~fname in
+ (raw: moo)
+
+let rehash_cmd_uris =
+ let rehash_uri uri =
+ UriManager.uri_of_string (UriManager.string_of_uri uri) in
+ function
+ | GrafiteAst.Default (loc, name, uris) ->
+ let uris = List.map rehash_uri uris in
+ GrafiteAst.Default (loc, name, uris)
+ | GrafiteAst.Coercion (loc, uri, close) ->
+ GrafiteAst.Coercion (loc, rehash_uri uri, close)
+ | cmd ->
+ prerr_endline "Found a command not expected in a .moo:";
+ let obj_pp _ = assert false in
+ prerr_endline (GrafiteAstPp.pp_command ~obj_pp cmd);
+ assert false
-let save_moo ~fname (moo, metadata) =
- let oc = open_out fname in
- let marshalled =
- Marshal.to_string (List.rev moo, List.rev metadata) marshal_flags
- in
- let checksum = Hashtbl.hash marshalled in
- output_binary_int oc GrafiteAst.magic;
- output_binary_int oc checksum;
- output_string oc marshalled;
- close_out oc
+let save_moo ~fname moo = save_moo_to_file ~fname (List.rev moo)
let load_moo ~fname =
- let ic = open_in fname in
- HExtlib.finally
- (fun () -> close_in ic)
- (fun () ->
- try
- let moo_magic = input_binary_int ic in
- if moo_magic <> GrafiteAst.magic then raise (Version_mismatch fname);
- let moo_checksum = input_binary_int ic in
- let marshalled = HExtlib.input_all ic in
- let checksum = Hashtbl.hash marshalled in
- if checksum <> moo_checksum then raise (Checksum_failure fname);
- let (moo:moo) =
- Marshal.from_string marshalled 0
- in
- moo
- with End_of_file -> raise (Corrupt_moo fname))
- ()
+ let moo = load_moo_from_file ~fname in
+ List.map rehash_cmd_uris moo