use SWI user_*.

C/iopreds.c

@@ -352,96 +352,9 @@ PlGetsFunc(void)
       return PlGets;
 }
 
-static void
-InitFileIO(StreamDesc *s)
-{
-  s->stream_gets = PlGetsFunc();
-  {
-   /* check if our console is promptable: may be tty or pipe */
-    if (s->status & (Promptable_Stream_f)) {
-      /* the putc routine only has to check it is putting out a newline */
-      s->stream_putc = ConsolePutc;
-      s->stream_wputc = put_wchar;
-      /* if a tty have a special routine to call readline */
-#if HAVE_LIBREADLINE && HAVE_READLINE_READLINE_H
-      if (s->status & Tty_Stream_f) {
-	if (Stream[0].status & Tty_Stream_f &&
-	    is_same_tty(s->u.file.file,Stream[0].u.file.file))
-	  s->stream_putc = ReadlinePutc;
-	s->stream_wputc = put_wchar;
-	s->stream_getc = ReadlineGetc;
-      } else
-#endif
-	{
-	  /* else just PlGet plus checking for prompt */
-	  s->stream_getc = ConsoleGetc;
-	}
-    } else {
-      /* we are reading from a file, no need to check for prompts */
-      s->stream_putc = FilePutc;
-      s->stream_wputc = put_wchar;
-      s->stream_getc = PlGetc;
-      s->stream_gets = PlGetsFunc();
-    } 
-  }
-  s->stream_wgetc = get_wchar;
-}
-
-
-static void
-InitStdStream (int sno, SMALLUNSGN flags, YP_File file)
-{
-  StreamDesc *s = &Stream[sno];
-  s->u.file.file = file; 
-  s->status = flags;
-  s->linepos = 0;
-  s->linecount = 1;
-  s->charcount = 0;
-  s->encoding = DefaultEncoding();
-  INIT_LOCK(s->streamlock);
-  unix_upd_stream_info(s);
-  /* Getting streams to prompt is a mess because we need for cooperation
-     between readers and writers to the stream :-(
-  */
-  InitFileIO(s);
-  switch(sno) {
-  case 0:
-    s->u.file.name=AtomUserIn;
-    break;
-  case 1:
-    s->u.file.name=AtomUserOut;
-    break;
-  default:
-    s->u.file.name=AtomUserErr;
-    break;
-  }
-  s->u.file.user_name = MkAtomTerm (s->u.file.name);
-  if (CharConversionTable != NULL)
-    s->stream_wgetc_for_read = ISOWGetc;
-  else
-    s->stream_wgetc_for_read = s->stream_wgetc;
-#if LIGHT
-  s->status |= Tty_Stream_f|Promptable_Stream_f;
-#endif
-#if HAVE_SETBUF
-  if (s->status & Tty_Stream_f &&
-      sno == 0) {
-    /* make sure input is unbuffered if it comes from stdin, this
-       makes life simpler for interrupt handling */
-    YP_setbuf (stdin, NULL); 
-   //    fprintf(stderr,"here I am\n");
-  }
-#endif /* HAVE_SETBUF */
-
-}
-
-
 static void
 InitStdStreams (void)
 {
-  InitStdStream (StdInStream, Input_Stream_f, stdin);
-  InitStdStream (StdOutStream, Output_Stream_f, stdout);
-  InitStdStream (StdErrStream, Output_Stream_f, stderr);
   Yap_c_input_stream = StdInStream;
   Yap_c_output_stream = StdOutStream;
   Yap_c_error_stream = StdErrStream;
@@ -4527,7 +4440,7 @@ static Int
 format2(UInt  stream_flag)
 {
   int old_c_stream = Yap_c_output_stream;
-  int mem_stream = FALSE, codes_stream = FALSE;
+  int codes_stream = FALSE;
   Int out;
   Term tin = Deref(ARG1);
 
@@ -4543,25 +4456,7 @@ format2(UInt  stream_flag)
     return FALSE;
   }
   out = format(Deref(ARG2),Deref(ARG3),Yap_c_output_stream);
-  if (mem_stream) {
+ {
-    Term tat;
-    Term inp = Deref(ARG1);
-    int stream = Yap_c_output_stream;
-    Yap_c_output_stream = old_c_stream;  
-    if (out) {
-      Stream[stream].u.mem_string.buf[Stream[stream].u.mem_string.pos] = '\0';
-      if (codes_stream) {
-	tat = Yap_StringToDiffList(Stream[stream].u.mem_string.buf, ArgOfTerm(2,inp));
-      } else {
-	tat = MkAtomTerm(Yap_LookupAtom(Stream[stream].u.mem_string.buf));
-      }
-      CloseStream(stream);
-      if (!Yap_unify(tat,ArgOfTerm(1,inp)))
-	return FALSE;
-    } else {
-      CloseStream(stream);
-    }
-  } else {
     Yap_c_output_stream = old_c_stream;  
   }
   return out;

H/iopreds.h

@@ -61,20 +61,6 @@ typedef struct stream_desc
 #endif
 	YP_File file;
       } file;
-      struct {
-	char *buf;         /* where the file is being read from/written to */
-	int src;           /* where the space comes from, 0 code space, 1 malloc */
-	Int max_size;	   /* maximum buffer size (may be changed dynamically) */
-	UInt pos;
-	volatile void *error_handler;
-      } mem_string;
-      struct {
-#if defined(__MINGW32__) || defined(_MSC_VER)
-	HANDLE hdl;
-#else
-	int fd;
-#endif
-      } pipe;
     } u;
     Int charcount, linecount, linepos;
     Int status;

H/rheap.h

@@ -932,8 +932,6 @@ RestoreStreams(void)
     for (sno = 0; sno < MaxStreams; ++sno) {
       if (Stream[sno].status & Free_Stream_f)
 	continue;
-      if (Stream[sno].status & (Socket_Stream_f|Pipe_Stream_f|InMemory_Stream_f)) 
-	continue;
       Stream[sno].u.file.user_name = AtomTermAdjust(Stream[sno].u.file.user_name);
       Stream[sno].u.file.name = AtomAdjust(Stream[sno].u.file.name);
     }    

H/yapio.h

@@ -212,34 +212,6 @@ typedef	struct VARSTRUCT {
 #define EOFCHAR EOF
 
 
-#if USE_SOCKET
-/****************** defines for sockets *********************************/
-
-typedef enum{        /* in YAP, sockets may be in one of 4 possible status */
-  new_socket,
-    server_socket,
-    client_socket,
-    server_session_socket,
-    closed_socket
-} socket_info;
-
-typedef enum{       /* we accept two domains for the moment, IPV6 may follow */
-      af_inet,      /* IPV4 */
-      af_unix       /* or AF_FILE */
-} socket_domain;
-
-Term  STD_PROTO(Yap_InitSocketStream,(int, socket_info, socket_domain));
-int   STD_PROTO(Yap_CheckStream,(Term, int, char *));
-int   STD_PROTO(Yap_CheckSocketStream,(Term, char *));
-socket_domain   STD_PROTO(Yap_GetSocketDomain,(int));
-socket_info   STD_PROTO(Yap_GetSocketStatus,(int));
-void  STD_PROTO(Yap_UpdateSocketStream,(int, socket_info, socket_domain));
-
-/* routines in ypsocks.c */
-Int STD_PROTO(Yap_CloseSocket,(int, socket_info, socket_domain));
-
-#endif /* USE_SOCKET */
-
 /* info on aliases */
 typedef struct AliasDescS {
     Atom name;

library/dialect/swi/fli/blobs.c

@@ -73,7 +73,7 @@ lookupBlob(void *blob, size_t len, PL_blob_t *type)
   b->NextOfPE = NIL;
   b->KindOfPE = BlobProperty;
   b->blob_t = type;
-  ae = (AtomEntry *)Yap_AllocCodeSpace(sizeof(AtomEntry)+len);
+  ae = (AtomEntry *)Yap_AllocCodeSpace(sizeof(AtomEntry)+len+sizeof(size_t));
   if (!ae)
     return NULL;
   INIT_RWLOCK(ae->ARWLock);

packages/PLStream/pl-file.c

@@ -362,6 +362,11 @@ initIO()
     addHTable(streamAliases, (void *)*np, (void *)(intptr_t)i);
 
   GD->io_initialised = TRUE;
+#if __YAP_PROLOG__
+  Yap_LookupSWIStream(Suser_input);
+  Yap_LookupSWIStream(Suser_output);
+  Yap_LookupSWIStream(Suser_error);
+#endif
 }
 
 

packages/PLStream/pl-yap.h

@@ -32,7 +32,7 @@ typedef YAP_Term		(*Func)(term_t);	/* foreign functions */
 extern const char *Yap_GetCurrentPredName(void);
 extern YAP_Int     Yap_GetCurrentPredArity(void);
 extern int Yap_read_term(term_t t, IOSTREAM *st, term_t *vs);
-
+extern int Yap_LookupSWIStream(void *swi_s);
 
 extern atom_t codeToAtom(int chrcode);
 

pl/boot.yap

@@ -1107,7 +1107,7 @@ bootstrap(F) :-
 
 
 '$loop'(Stream,Status) :-
-%VSC	'$change_alias_to_stream'('$loop_stream',Stream),
+	'$change_alias_to_stream'('$loop_stream',Stream),
 	repeat,
 %VSC		( '$current_stream'(_,_,Stream) -> true
 %VSC		 ; '$abort_loop'(Stream)
@@ -1381,10 +1381,14 @@ cd(Dir) :- working_directory(_, Dir).
 
 getcwd(Dir) :- working_directory(Dir, Dir).
 
+close(Stream) :-
+	swi_close(Stream).
+close(Stream, Options) :-
+	swi_close(Stream, Options).
 open(File, Type, Stream) :-
 	swi_open(File, Type, Stream).
-open(File, Type, Opts, Stream) :-
+open(File, Type, Stream, Opts) :-
-	swi_open(File, Type, Opts, Stream).
+	swi_open(File, Type, Stream, Opts).
 open_null_stream(S) :-
 	swi_open_null_stream(S).
 stream_property(Stream, Property) :-
@@ -1396,4 +1400,5 @@ term_to_atom(Term, Atom) :-
 	swi_term_to_atom(Term, Atom).
 
 with_output_to(Output, G) :-
-	swi_with_output_to(Output, G).
+	swi_with_output_to(Output, G).
+

pl/init.yap

@@ -52,6 +52,7 @@ otherwise.
 
 :- compile_expressions.
 
+
 :- [
     % lists is often used.
    	 'lists.yap',

pl/yio.yap

@@ -17,29 +17,6 @@
 
 /* stream predicates							*/
 
-close(V) :- var(V), !,
-	'$do_error'(instantiation_error,close(V)).
-close(File) :-
-	atom(File), !,
-	(
-	    '$access_yap_flags'(8, 0),
-	    current_stream(_,_,Stream),
-	    '$user_file_name'(Stream,File)
-        ->
-	    '$close'(Stream)
-	;
-	    '$close'(File)
-	).
-close(Stream) :-
-	'$close'(Stream).
-
-close(V,Opts) :- var(V), !,
-	'$do_error'(instantiation_error,close(V,Opts)).
-close(S,Opts) :-
-	'$check_io_opts'(Opts,close(S,Opts)),
-	/* YAP ignores the force/1 flag */ 
-	close(S).
-	
 /* check whether a list of options is valid */
 '$check_io_opts'(V,G) :- var(V), !,
 	'$do_error'(instantiation_error,G).
@@ -52,11 +29,6 @@ close(S,Opts) :-
 '$check_io_opts'(T,G) :-
 	'$do_error'(type_error(list,T),G).
 
-'$check_opt'(close(_,_),Opt,G) :- !,
-	(Opt = force(X) ->
-	    '$check_force_opt_arg'(X,G) ;
-	    '$do_error'(domain_error(close_option,Opt),G)
-	).
 '$check_opt'(read_term(_,_),Opt,G) :-
 	'$check_opt_read'(Opt, G).
 '$check_opt'(stream_property(_,_),Opt,G) :-
@@ -115,16 +87,6 @@ close(S,Opts) :-
 '$check_opt_write'(A, G) :-
 	'$do_error'(domain_error(write_option,A),G).
 
-%
-% check force arg
-%
-'$check_force_opt_arg'(X,G) :- var(X), !,
-	'$do_error'(instantiation_error,G).
-'$check_force_opt_arg'(true,_) :- !.
-'$check_force_opt_arg'(false,_) :- !.
-'$check_force_opt_arg'(X,G) :-
-	'$do_error'(domain_error(close_option,force(X)),G).
-
 '$check_read_syntax_errors_arg'(X, G) :- var(X), !,
 	'$do_error'(instantiation_error,G).
 '$check_read_syntax_errors_arg'(dec10,_) :- !.
@@ -198,7 +160,7 @@ seeing(File) :- current_input(Stream),
 	'$user_file_name'(Stream,NFile),
 	( '$user_file_name'(user_input,NFile) -> File = user ; NFile = File).
 
-seen :- current_input(Stream), '$close'(Stream), set_input(user).
+seen :- current_input(Stream), close(Stream), set_input(user).
 
 tell(user) :- !, set_output(user_output).
 tell(F) :- var(F), !,
@@ -215,7 +177,7 @@ telling(File) :- current_output(Stream),
 	'$user_file_name'(Stream,NFile),
 	( '$user_file_name'(user_output,NFile) -> File = user ; File = NFile ).
 
-told :- current_output(Stream), '$close'(Stream), set_output(user).
+told :- current_output(Stream), close(Stream), set_output(user).
 
 
 /* Term IO	*/