156 lines
3.1 KiB
C
156 lines
3.1 KiB
C
/* $Id$ */
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/*
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* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
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*
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* This product is part of the Amsterdam Compiler Kit.
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*
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* Permission to use, sell, duplicate or disclose this software must be
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* obtained in writing. Requests for such permissions may be sent to
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*
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* Dr. Andrew S. Tanenbaum
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* Wiskundig Seminarium
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* Vrije Universiteit
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* Postbox 7161
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* 1007 MC Amsterdam
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* The Netherlands
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*
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*/
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#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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#include <em_abs.h>
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#include "pc.h"
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static struct errm
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{
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int errno;
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char* errmes;
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} errors[] = {
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{ EARRAY, "array bound error" },
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{ ERANGE, "range bound error" },
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{ ESET, "set bound error" },
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{ EIOVFL, "integer overflow" },
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{ EFOVFL, "real overflow" },
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{ EFUNFL, "real underflow" },
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{ EIDIVZ, "divide by 0" },
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{ EFDIVZ, "divide by 0.0" },
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{ EIUND, "undefined integer" },
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{ EFUND, "undefined real" },
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{ ECONV, "conversion error" },
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{ ESTACK, "stack overflow" },
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{ EHEAP, "heap overflow" },
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{ EILLINS, "illegal instruction" },
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{ EODDZ, "illegal size argument" },
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{ ECASE, "case error" },
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{ EMEMFLT, "addressing non existent memory" },
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{ EBADPTR, "bad pointer used" },
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{ EBADPC, "program counter out of range" },
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{ EBADLAE, "bad argument of lae" },
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{ EBADMON, "bad monitor call" },
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{ EBADLIN, "argument if LIN too high" },
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{ EBADGTO, "GTO descriptor error" },
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{ EARGC, "more args expected" },
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{ EEXP, "error in exp" },
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{ ELOG, "error in ln" },
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{ ESQT, "error in sqrt" },
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{ EASS, "assertion failed" },
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{ EPACK, "array bound error in pack" },
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{ EUNPACK, "array bound error in unpack" },
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{ EMOD, "only positive j in 'i mod j'" },
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{ EBADF, "file not yet open" },
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{ EFREE, "dispose error" },
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{ EFUNASS, "function not assigned" },
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{ EWIDTH, "illegal field width" },
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{ EWRITEF, "not writable" },
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{ EREADF, "not readable" },
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{ EEOF, "end of file" },
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{ EFTRUNC, "truncated" },
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{ ERESET, "reset error" },
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{ EREWR, "rewrite error" },
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{ ECLOSE, "close error" },
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{ EREAD, "read error" },
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{ EWRITE, "write error" },
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{ EDIGIT, "digit expected" },
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{ EASCII, "non-ASCII char read" },
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{ -1, 0 }
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};
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void _catch(unsigned int erno)
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{
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register struct errm* ep = &errors[0];
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char *p, *q, *s, **qq;
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char buf[20];
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unsigned i;
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int j = erno;
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char* pp[11];
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char xbuf[100];
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qq = pp;
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if (p = FILN)
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*qq++ = p;
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else
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*qq++ = _pargv[0];
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while (ep->errno != erno && ep->errmes != 0)
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ep++;
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p = buf;
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s = xbuf;
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if (i = LINO)
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{
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*qq++ = ", ";
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do
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*p++ = i % 10 + '0';
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while (i /= 10);
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while (p > buf)
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*s++ = *--p;
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}
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*s++ = ':';
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*s++ = ' ';
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*s++ = '\0';
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*qq++ = xbuf;
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if ((erno & ~037) == 0140 && (_curfil->flags & 0377) == MAGIC)
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{
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/* file error */
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*qq++ = "file ";
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*qq++ = _curfil->fname;
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*qq++ = ": ";
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}
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if (ep->errmes)
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*qq++ = ep->errmes;
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else
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{
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*qq++ = "error number ";
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*qq++ = s;
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p = buf;
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if (j < 0)
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{
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j = -j;
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*s++ = '-';
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}
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do
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*p++ = j % 10 + '0';
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while (j /= 10);
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while (p > buf)
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*s++ = *--p;
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*s = 0;
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}
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*qq++ = "\n";
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*qq = 0;
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qq = pp;
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while (q = *qq++)
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{
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p = q;
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while (*p)
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p++;
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if (write(2, q, (int)(p - q)) < 0)
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;
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}
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_exit(erno + 1);
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error:
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_trp(erno);
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}
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