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)
if !ErrorMsg.anyErrors then
G
else
- Tycheck.checkFile G tInit prog
+ Tycheck.checkFile G (tInit ()) prog
end
fun basis () =
fun loop files =
case Posix.FileSys.readdir dir of
- NONE => files
+ NONE => (Posix.FileSys.closedir dir;
+ files)
| SOME fname =>
if String.isSuffix ".dtl" fname then
- loop (String.concatWith "/" [Config.libRoot, fname]
+ loop (OS.Path.joinDirFile {dir = Config.libRoot,
+ file = fname}
:: files)
else
loop files
val files = loop []
val files = Order.order files
in
- foldl (fn (fname, G) => check' G fname) Env.empty files
+ 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
(b, NONE)
else
let
+ 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
+ val G' = Tycheck.checkFile b (tInit ()) prog
in
(G', #3 prog)
end
if !ErrorMsg.anyErrors then
()
else
- Eval.exec StringMap.empty body'
+ Eval.exec (SM.map (fn f => f ()) (!defaultV)) body'
| NONE => ()
+val dispatcher : C.rw ZString.zstring' = ZString.dupML' Config.dispatcher
+
+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
+
+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
+ 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
+
end