atom_concat and empty atoms
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8baaa70cec
commit
861f185ec6
@ -1333,7 +1333,7 @@ restart_aux:
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}
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while (t1 != TermNil) {
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inpv[i].type = YAP_STRING_ATOM;
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inpv[i].type = YAP_STRING_ATOM,
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inpv[i].val.t = HeadOfTerm(t1);
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i++;
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t1 = TailOfTerm(t1);
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62
os/charsio.c
62
os/charsio.c
@ -1,19 +1,19 @@
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/*************************************************************************
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: charcodes.c *
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* Last rev: 5/2/88 *
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* mods: *
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* comments: Character codes and character conversion *
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* *
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*************************************************************************/
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: charcodes.c *
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* Last rev: 5/2/88 *
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* mods: *
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* comments: Character codes and character conversion *
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* *
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*************************************************************************/
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#ifdef SCCS
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static char SccsId[] = "%W% %G%";
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#endif
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@ -504,7 +504,7 @@ static Int get_byte_1(USES_REGS1) { /* '$get_byte'(Stream,-N) */
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status = GLOBAL_Stream[sno].status;
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if (!(status & Binary_Stream_f)
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// &&strictISOFlag()
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) {
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) {
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UNLOCK(GLOBAL_Stream[sno].streamlock);
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Yap_Error(PERMISSION_ERROR_INPUT_TEXT_STREAM, ARG1, "get_byte/1");
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return (FALSE);
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@ -843,7 +843,7 @@ static Int put_byte_1(USES_REGS1) { /* '$put_byte'(Stream,N) */
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LOCK(GLOBAL_Stream[sno].streamlock);
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if (!(GLOBAL_Stream[sno].status & Binary_Stream_f)
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//&& strictISOFlag()
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) {
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) {
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UNLOCK(GLOBAL_Stream[sno].streamlock);
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Yap_Error(PERMISSION_ERROR_OUTPUT_BINARY_STREAM, ARG1, "get0/2");
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return (FALSE);
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@ -1102,19 +1102,21 @@ static Int peek_char(USES_REGS1) {
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unsigned char sinp[16];
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Int ch;
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if (sno < 0)
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return false;
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if ((ch = Yap_peek(sno)) < 0) {
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UNLOCK(GLOBAL_Stream[sno].streamlock);
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return Yap_unify_constant(ARG2, MkAtomTerm(AtomEof));
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}
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UNLOCK(GLOBAL_Stream[sno].streamlock);
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int off = put_utf8(sinp, ch);
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if (off < 0) {
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return false;
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}
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sinp[off] = '\0';
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return Yap_unify_constant(ARG2, MkAtomTerm(Yap_ULookupAtom(sinp)));
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if (sno < 0)
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return false;
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Int ch = Yap_peek(sno);
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if (ch < 0) {
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UNLOCK(GLOBAL_Stream[sno].streamlock);
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return Yap_unify_constant(ARG2, MkAtomTerm(AtomEof));
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}
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UNLOCK(GLOBAL_Stream[sno].streamlock);
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int off = put_utf8(sinp, ch);
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if (off < 0) {
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return false;
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}
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sinp[off] = '\0';
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printf("%s\n", simp) return Yap_unify_constant(
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ARG2, MkAtomTerm(Yap_ULookupAtom(sinp)));
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}
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/** @pred peek_char( - _C_) is iso
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