fix format/2 to rely on stream's putc if no ~t is found on string.
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1089 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
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commit
bb96fe5aea
83
C/iopreds.c
83
C/iopreds.c
@ -651,7 +651,8 @@ MemPutc(int sno, int ch)
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char *newbuf;
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if ((newbuf = Yap_AllocAtomSpace(new_max_size*sizeof(char))) == NULL) {
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Yap_Error(SYSTEM_ERROR, TermNil, "YAP could not grow heap for writing to string");
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Yap_Error(OUT_OF_HEAP_ERROR, TermNil, "YAP could not grow heap for writing to string");
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return -1;
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}
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#if HAVE_MEMMOVE
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memmove((void *)newbuf, (void *)s->u.mem_string.buf, (size_t)((s->u.mem_string.pos)*sizeof(char)));
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@ -3721,6 +3722,22 @@ fetch_index_from_args(Term t)
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return i;
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}
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static int
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format_has_tabs(const char *seq)
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{
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int ch;
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while ((ch = *seq++)) {
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if (ch == '~') {
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ch = *seq++;
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if (ch == 't') {
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return TRUE;
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}
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}
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}
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return FALSE;
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}
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static Int
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format(Term tail, Term args, int sno)
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{
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@ -3731,7 +3748,9 @@ format(Term tail, Term args, int sno)
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Int tnum, targ = 0;
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char *fstr = NULL, *fptr;
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Term oargs = args;
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int (* f_putc)(int, int);
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int has_tabs;
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if (IsVarTerm(tail)) {
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Yap_Error(INSTANTIATION_ERROR,tail,"format/2");
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return(FALSE);
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@ -3788,6 +3807,11 @@ format(Term tail, Term args, int sno)
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format_buf_size = FORMAT_MAX_SIZE;
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format_error = FALSE;
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if ((has_tabs = format_has_tabs(fptr))) {
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f_putc = format_putc;
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} else {
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f_putc = Stream[sno].stream_putc;
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}
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while ((ch = *fptr++)) {
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Term t = TermNil;
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int has_repeats = FALSE;
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@ -3828,7 +3852,7 @@ format(Term tail, Term args, int sno)
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goto do_instantiation_error;
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if (!IsAtomTerm(t))
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goto do_type_atom_error;
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Yap_plwrite (t, format_putc, Handle_vars_f|To_heap_f);
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Yap_plwrite (t, f_putc, Handle_vars_f|To_heap_f);
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break;
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case 'c':
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{
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@ -3847,7 +3871,7 @@ format(Term tail, Term args, int sno)
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if (!has_repeats)
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repeats = 1;
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for (i = 0; i < repeats; i++)
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format_putc(sno, nch);
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f_putc(sno, nch);
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break;
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}
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case 'e':
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@ -3887,7 +3911,7 @@ format(Term tail, Term args, int sno)
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sprintf (tmp2, tmp1, fl);
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ptr = tmp2;
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while ((ch = *ptr++) != 0)
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format_putc(sno, ch);
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f_putc(sno, ch);
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break;
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case 'd':
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case 'D':
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@ -3900,7 +3924,7 @@ format(Term tail, Term args, int sno)
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if (!IsIntegerTerm(t))
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goto do_type_int_error;
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if (!has_repeats) {
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Yap_plwrite (t, format_putc, Handle_vars_f|To_heap_f);
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Yap_plwrite (t, f_putc, Handle_vars_f|To_heap_f);
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} else {
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Int siz, dec = IntegerOfTerm(t), i, div = 1;
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@ -3910,7 +3934,7 @@ format(Term tail, Term args, int sno)
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*/
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if (dec < 0) {
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dec = -dec;
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format_putc(sno, (int) '-');
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f_putc(sno, (int) '-');
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}
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i = dec;
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siz = 0;
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@ -3920,9 +3944,9 @@ format(Term tail, Term args, int sno)
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div *= 10;
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}
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if (repeats > siz) {
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format_putc(sno, (int) '.');
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f_putc(sno, (int) '.');
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while (repeats > siz) {
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format_putc(sno, (int) '0');
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f_putc(sno, (int) '0');
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repeats--;
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}
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} else {
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@ -3932,15 +3956,15 @@ format(Term tail, Term args, int sno)
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if (ch == 'D'&&
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(siz - repeats) % 3 == 0 &&
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output_done)
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format_putc(sno, (int)',');
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format_putc(sno, (int)((dec/div)+'0'));
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f_putc(sno, (int)',');
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f_putc(sno, (int)((dec/div)+'0'));
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output_done = TRUE;
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siz--;
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dec = dec%div;
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}
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format_putc(sno, (int) '.');
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f_putc(sno, (int) '.');
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}
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Yap_plwrite (MkIntegerTerm(dec), format_putc, Handle_vars_f|To_heap_f);
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Yap_plwrite (MkIntegerTerm(dec), f_putc, Handle_vars_f|To_heap_f);
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break;
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case 'r':
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case 'R':
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@ -3964,7 +3988,7 @@ format(Term tail, Term args, int sno)
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numb = IntegerOfTerm(t);
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if (numb < 0) {
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numb = -numb;
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format_putc(sno, (int) '-');
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f_putc(sno, (int) '-');
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}
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i = numb;
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while (i > 0) {
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@ -3975,11 +3999,11 @@ format(Term tail, Term args, int sno)
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while (numb) {
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Int dig = numb/div;
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if (dig < 10)
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format_putc(sno, (int)(dig+'0'));
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f_putc(sno, (int)(dig+'0'));
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else if (ch == 'r')
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format_putc(sno, (int)((dig-10)+'a'));
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f_putc(sno, (int)((dig-10)+'a'));
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else
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format_putc(sno, (int)((dig-10)+'A'));
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f_putc(sno, (int)((dig-10)+'A'));
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numb %= div;
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div /= radix;
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}
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@ -4003,7 +4027,7 @@ format(Term tail, Term args, int sno)
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goto do_consistency_error;
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t = targs[targ++];
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*--ASP = MkIntTerm(0);
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Yap_plwrite (t, format_putc, Quote_illegal_f|Ignore_ops_f|To_heap_f );
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Yap_plwrite (t, f_putc, Quote_illegal_f|Ignore_ops_f|To_heap_f );
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ASP++;
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break;
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case 'p':
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@ -4013,7 +4037,7 @@ format(Term tail, Term args, int sno)
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*--ASP = MkIntTerm(0);
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{
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long sl = Yap_InitSlot(args);
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Yap_plwrite(t, format_putc, Handle_vars_f|Use_portray_f|To_heap_f);
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Yap_plwrite(t, f_putc, Handle_vars_f|Use_portray_f|To_heap_f);
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args = Yap_GetFromSlot(sl);
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Yap_RecoverSlots(1);
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}
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@ -4035,7 +4059,7 @@ format(Term tail, Term args, int sno)
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goto do_consistency_error;
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t = targs[targ++];
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*--ASP = MkIntTerm(0);
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Yap_plwrite (t, format_putc, Handle_vars_f|Quote_illegal_f|To_heap_f);
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Yap_plwrite (t, f_putc, Handle_vars_f|Quote_illegal_f|To_heap_f);
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ASP++;
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break;
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case 'w':
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@ -4043,19 +4067,19 @@ format(Term tail, Term args, int sno)
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goto do_consistency_error;
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t = targs[targ++];
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*--ASP = MkIntTerm(0);
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Yap_plwrite (t, format_putc, Handle_vars_f|To_heap_f);
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Yap_plwrite (t, f_putc, Handle_vars_f|To_heap_f);
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ASP++;
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break;
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case '~':
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if (has_repeats)
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goto do_consistency_error;
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format_putc(sno, (int) '~');
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f_putc(sno, (int) '~');
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break;
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case 'n':
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if (!has_repeats)
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repeats = 1;
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while (repeats--) {
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format_putc(sno, (int) '\n');
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f_putc(sno, (int) '\n');
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}
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column_boundary = 0;
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pad_max = pad_entries;
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@ -4064,14 +4088,14 @@ format(Term tail, Term args, int sno)
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if (!has_repeats)
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has_repeats = 1;
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if (Stream[sno].linepos != 0) {
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format_putc(sno, (int) '\n');
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f_putc(sno, (int) '\n');
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column_boundary = 0;
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pad_max = pad_entries;
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}
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if (repeats > 1) {
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Int i;
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for (i = 1; i < repeats; i++)
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format_putc(sno, (int) '\n');
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f_putc(sno, (int) '\n');
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column_boundary = 0;
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pad_max = pad_entries;
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}
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@ -4101,6 +4125,7 @@ format(Term tail, Term args, int sno)
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pad_max->pad = fptr[-2];
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pad_max->pos = format_ptr-format_base;
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pad_max++;
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f_putc = format_putc;
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break;
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do_instantiation_error:
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Yap_Error(INSTANTIATION_ERROR, t, "format/2");
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@ -4136,11 +4161,13 @@ format(Term tail, Term args, int sno)
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/* ok, now we should have a command */
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}
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} else {
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format_putc(sno, ch);
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f_putc(sno, ch);
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}
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}
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for (fptr = format_base; fptr < format_ptr; fptr++) {
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Stream[sno].stream_putc(sno, *fptr);
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if (has_tabs) {
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for (fptr = format_base; fptr < format_ptr; fptr++) {
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Stream[sno].stream_putc(sno, *fptr);
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}
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}
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if (IsAtomTerm(tail)) {
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fstr = NULL;
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@ -3948,7 +3948,7 @@ The woods are love
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@end example
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@item '~w'
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Print the next argument with @code{writeq/1}:
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Print the next argument with @code{write/1}:
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@example
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?- format("Good night ~w",'Hello'+[1,2]).
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