* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-*)
+ *)
(* Main interface *)
open Ast Print
+structure SM = StringMap
+
val dmy = ErrorMsg.dummyLoc
-val tInit = (TAction ((CRoot, dmy),
- StringMap.empty,
- StringMap.empty),
- dmy)
+fun init () = (F_OpenSSL_SML_add_all_algorithms.f' ();
+ F_OpenSSL_SML_load_error_strings.f' ();
+ F_OpenSSL_SML_load_BIO_strings.f' ())
+
+val () = init ()
+
+val defaultT : record ref = ref SM.empty
+val defaultV : (unit -> exp) SM.map ref = ref SM.empty
+
+fun registerDefault (name, t, v) =
+ case SM.find (!defaultT, name) of
+ NONE => (defaultT := SM.insert (!defaultT, name, t);
+ defaultV := SM.insert (!defaultV, name, v))
+ | SOME _ => raise Fail "Duplicate default environment variable"
+
+fun tInit () = (TAction ((CRoot, dmy),
+ !defaultT,
+ StringMap.empty),
+ dmy)
+
+
-fun check fname =
+fun check' G fname =
let
+ (*val _ = print ("Check " ^ fname ^ "\n")*)
val prog = Parse.parse fname
in
if !ErrorMsg.anyErrors then
- ()
+ G
+ else
+ Tycheck.checkFile G (tInit ()) prog
+ end
+
+fun basis () =
+ let
+ val dir = Posix.FileSys.opendir Config.libRoot
+
+ fun loop files =
+ case Posix.FileSys.readdir dir of
+ NONE => (Posix.FileSys.closedir dir;
+ files)
+ | SOME fname =>
+ if String.isSuffix ".dtl" fname then
+ loop (OS.Path.joinDirFile {dir = Config.libRoot,
+ file = fname}
+ :: files)
+ else
+ loop files
+
+ val files = loop []
+ val files = Order.order files
+ in
+ if !ErrorMsg.anyErrors then
+ Env.empty
+ else
+ foldl (fn (fname, G) => check' G fname) Env.empty files
+ end
+
+fun check fname =
+ let
+ val _ = ErrorMsg.reset ()
+ val _ = Env.preTycheck ()
+
+ val b = basis ()
+ in
+ if !ErrorMsg.anyErrors then
+ (b, NONE)
else
let
- val G' = Tycheck.checkFile Env.empty tInit prog
+ val _ = ErrorMsg.reset ()
+ val prog = Parse.parse fname
in
if !ErrorMsg.anyErrors then
+ (Env.empty, NONE)
+ else
+ let
+ val G' = Tycheck.checkFile b (tInit ()) prog
+ in
+ (G', #3 prog)
+ end
+ end
+ end
+
+fun reduce fname =
+ let
+ val (G, body) = check fname
+ in
+ if !ErrorMsg.anyErrors then
+ NONE
+ else
+ case body of
+ SOME body =>
+ let
+ val body' = Reduce.reduceExp G body
+ in
+ (*printd (PD.hovBox (PD.PPS.Rel 0,
+ [PD.string "Result:",
+ PD.space 1,
+ p_exp body']))*)
+ SOME body'
+ end
+ | _ => NONE
+ end
+
+fun eval fname =
+ case reduce fname of
+ (SOME body') =>
+ if !ErrorMsg.anyErrors then
+ ()
+ else
+ Eval.exec (SM.map (fn f => f ()) (!defaultV)) body'
+ | NONE => ()
+
+val dispatcher : C.rw ZString.zstring' =
+ ZString.dupML' (Config.dispatcher ^ ":" ^ Int.toString Config.dispatcherPort)
+
+val listenOn : C.rw ZString.zstring' =
+ ZString.dupML' ("localhost:" ^ Int.toString Config.dispatcherPort)
+
+fun ssl_err s =
+ let
+ val err = F_OpenSSL_SML_get_error.f ()
+ in
+ print s;
+ print "\nReason: ";
+ print (ZString.toML (F_OpenSSL_SML_lib_error_string.f err));
+ print ":";
+ print (ZString.toML (F_OpenSSL_SML_func_error_string.f err));
+ print ":";
+ print (ZString.toML (F_OpenSSL_SML_reason_error_string.f err));
+ print "\n"
+ end
+
+exception OpenSSL of string
+
+val readBuf : (C.uchar, C.rw) C.obj C.ptr' = C.alloc' C.S.uchar (Word.fromInt Config.bufSize)
+val bufSize = Int32.fromInt Config.bufSize
+
+fun readOne bio =
+ let
+ val r = F_OpenSSL_SML_read.f' (bio, C.Ptr.inject' readBuf, bufSize)
+ in
+ if r = 0 then
+ NONE
+ else if r < 0 then
+ raise OpenSSL "BIO_read failed"
+ else
+ SOME (CharVector.tabulate (Int32.toInt r,
+ fn i => chr (Word32.toInt (C.Get.uchar'
+ (C.Ptr.sub' C.S.uchar (readBuf, i))))))
+ end
+
+fun writeAll (bio, s) =
+ let
+ val buf = ZString.dupML' s
+
+ fun loop (buf, len) =
+ let
+ val r = F_OpenSSL_SML_write.f' (bio, C.Ptr.inject' buf, len)
+ in
+ if r = len then
()
+ else if r <= 0 then
+ (C.free' buf;
+ raise OpenSSL "BIO_write failed")
else
- case prog of
- (_, SOME body) =>
- let
- val body' = Reduce.reduceExp G' body
- in
- printd (PD.hovBox (PD.PPS.Rel 0,
- [PD.string "Result:",
- PD.space 1,
- p_exp body']))
- end
- | _ => ()
+ loop (C.Ptr.|+! C.S.uchar (buf, Int32.toInt r), Int32.- (len, r))
+ end
+ in
+ loop (buf, Int32.fromInt (size s));
+ C.free' buf
+ end
+
+fun request fname =
+ let
+ val bio = F_OpenSSL_SML_new_connect.f' dispatcher
+ in
+ if C.Ptr.isNull' bio then
+ (ssl_err ("Error initializating connection to dispatcher at " ^ Config.dispatcher);
+ F_OpenSSL_SML_free_all.f' bio)
+ else if F_OpenSSL_SML_do_connect.f' bio <= 0 then
+ (ssl_err ("Error connecting to dispatcher at " ^ Config.dispatcher);
+ F_OpenSSL_SML_free_all.f' bio)
+ else let
+ val inf = TextIO.openIn fname
+
+ fun loop () =
+ case TextIO.inputLine inf of
+ NONE => ()
+ | SOME line => (writeAll (bio, line);
+ loop ())
+ in
+ loop ();
+ TextIO.closeIn inf;
+ F_OpenSSL_SML_free_all.f' bio
+ end
+ end
+
+fun serviceOne () =
+ let
+ val bio = F_OpenSSL_SML_new_accept.f' listenOn
+ in
+ if C.Ptr.isNull' bio then
+ (ssl_err "Error initializating listener";
+ F_OpenSSL_SML_free_all.f' bio)
+ else if F_OpenSSL_SML_do_accept.f' bio <= 0 then
+ (ssl_err "Error accepting connection";
+ F_OpenSSL_SML_free_all.f' bio)
+ else let
+ fun loop () =
+ case readOne bio of
+ NONE => ()
+ | SOME line => (print line;
+ loop ())
+ in
+ loop ();
+ F_OpenSSL_SML_free_all.f' bio
end
end
HCoop / hcoop / domtool2.git / blobdiff