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74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* xa65 - 65xx/65816 cross-assembler and utility suite
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*
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* Copyright (C) 1989-1997 Andr<64> Fachat (fachat@web.de)
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*
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* Undefined label tracking module (also see xal.c)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "xad.h"
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#include "xau.h"
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#include "xah.h"
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#include "xal.h"
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#undef DEBUG_UNDEF
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int u_label(int labnr) {
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int i;
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#ifdef DEBUG_UNDEF
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printf("u_label: %d\n",labnr);
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#endif
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if (!afile->ud.ulist) {
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afile->ud.ulist = malloc(200 * sizeof(int));
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if (afile->ud.ulist)
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afile->ud.um = 200;
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}
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for (i = 0; i < afile->ud.un; i++) {
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if (afile->ud.ulist[i] == labnr)
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return i;
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}
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if (afile->ud.un >= afile->ud.um) {
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afile->ud.um *= 1.5;
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afile->ud.ulist = realloc(afile->ud.ulist, afile->ud.um * sizeof(int));
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if (!afile->ud.ulist) {
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fprintf(stderr, "Panic: No memory!\n");
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exit(1);
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}
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}
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afile->ud.ulist[afile->ud.un] = labnr;
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return afile->ud.un++;
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}
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void u_write(FILE *fp) {
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int i, d;
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char *s;
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/*printf("u_write: un=%d\n",afile->ud.un);*/
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fputw(afile->ud.un, fp);
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for (i = 0; i < afile->ud.un; i++) {
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l_vget(afile->ud.ulist[i], &d, &s);
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fprintf(fp, "%s", s);
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fputc(0, fp);
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}
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free(afile->ud.ulist);
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afile->ud.ulist = NULL;
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afile->ud.um = afile->ud.un = 0;
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}
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