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yap-6.3
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set_input

This commit is contained in:
ubu32 2011-02-14 11:43:54 -08:00
parent a851c56e3d
commit 7fa58bca40
2 changed files with 8 additions and 49 deletions
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46
C/iopreds.c
View File

@ -104,8 +104,6 @@ STATIC_PROTO (int PlUnGetc, (int));
STATIC_PROTO (Term MkStream, (int));
STATIC_PROTO (int CheckStream, (Term, int, char *));
STATIC_PROTO (Int p_close, (void));
STATIC_PROTO (Int p_set_input, (void));
STATIC_PROTO (Int p_set_output, (void));
STATIC_PROTO (Int p_current_input, (void));
STATIC_PROTO (Int p_current_output, (void));
STATIC_PROTO (Int p_write, (void));
@ -1815,28 +1813,6 @@ p_peek (void)
return(Yap_unify_constant(ARG2,MkIntTerm(ch)));
}
static Int
p_set_input (void)
{ /* '$set_input'(+Stream,-ErrorMessage) */
Int sno = CheckStream (ARG1, Input_Stream_f, "set_input/1");
if (sno < 0)
return (FALSE);
Yap_c_input_stream = sno;
UNLOCK(Stream[sno].streamlock);
return TRUE;
}
static Int
p_set_output (void)
{ /* '$set_output'(+Stream,-ErrorMessage) */
Int sno = CheckStream (ARG1, Output_Stream_f, "set_output/1");
if (sno < 0)
return FALSE;
Yap_c_output_stream = sno;
UNLOCK(Stream[sno].streamlock);
return (TRUE);
}
static Int
p_has_bom (void)
{ /* '$set_output'(+Stream,-ErrorMessage) */
@ -2669,26 +2645,6 @@ p_set_stream_position (void)
return (TRUE);
}
static Int
p_get (void)
{ /* '$get'(Stream,-N) */
int sno = CheckStream (ARG1, Input_Stream_f, "get/2");
int ch;
Int status;
if (sno < 0)
return FALSE;
status = Stream[sno].status;
if (status & Binary_Stream_f) {
UNLOCK(Stream[sno].streamlock);
Yap_Error(PERMISSION_ERROR_INPUT_BINARY_STREAM, ARG1, "get/2");
return FALSE;
}
UNLOCK(Stream[sno].streamlock);
while ((ch = Stream[sno].stream_wgetc(sno)) <= 32 && ch >= 0);
return (Yap_unify_constant (ARG2, MkIntegerTerm (ch)));
}
static Term
read_line(int sno)
{
@ -4273,8 +4229,6 @@ Yap_InitIOPreds(void)
Yap_InitCPred ("$get_read_error_handler", 1, p_get_read_error_handler, SafePredFlag|SyncPredFlag|HiddenPredFlag);
Yap_InitCPred ("$read", 6, p_read, SyncPredFlag|HiddenPredFlag|UserCPredFlag);
Yap_InitCPred ("$read", 7, p_read2, SyncPredFlag|HiddenPredFlag|UserCPredFlag);
Yap_InitCPred ("$set_input", 1, p_set_input, SafePredFlag|SyncPredFlag|HiddenPredFlag);
Yap_InitCPred ("$set_output", 1, p_set_output, SafePredFlag|SyncPredFlag|HiddenPredFlag);
Yap_InitCPred ("$skip", 2, p_skip, SafePredFlag|SyncPredFlag|HiddenPredFlag);
Yap_InitCPred ("$write", 2, p_write, SyncPredFlag|HiddenPredFlag);
Yap_InitCPred ("$write", 3, p_write2, SyncPredFlag|HiddenPredFlag);

11
pl/boot.yap
View File

@ -92,8 +92,8 @@ true :- true.
% '$startup_saved_state',
'$startup_reconsult',
'$startup_goals',
'$set_input'(user_input),
'$set_output'(user_output),
set_input(user_input),
set_output(user_output),
'$init_or_threads',
'$run_at_thread_start'.
@ -1058,7 +1058,8 @@ break :-
set_value('$live','$true'),
b_setval('$spy_glist',GList),
nb_setval('$spy_gn',SPY_GN),
'$set_input'(InpStream), '$set_output'(OutStream),
set_input(InpStream),
set_output(OutStream),
'$debug_on'(Debug),
nb_setval('$debug_jump',Jump),
nb_setval('$debug_run',Run),
@ -1438,6 +1439,10 @@ flush_output(Stream) :-
ttyflush :-
swi_ttyflush.
set_input(Stream) :-
swi_set_input(Stream).
set_output(Stream) :-
swi_set_output(Stream).
get(C) :-
swi_get(C).