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[unix-history] / usr / src / usr.bin / pascal / pdx / machine / printerror.c

/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved.  The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/

#ifndef lint
static char sccsid[] = "@(#)printerror.c        5.1 (Berkeley) %G%";
#endif not lint

/*
* Print out an execution time error.
*/

#include "defs.h"
#include <signal.h>
#include "machine.h"
#include "sym.h"
#include "process.h"
#include "source.h"
#include "object.h"
#include "mappings.h"
#include "pxerrors.h"
#include "process/process.rep"

printerror()
{
   register PROCESS *p;
   char *filename;
   int c;

   p = process;
   if (p->signo != ESIGNAL && p->signo != SIGINT) {
       error("signal %d at px pc %d, lc %d", p->signo, p->pc, pc);
   }
   curline = srcline(pc);
   curfunc = whatblock(pc);
   skimsource(srcfilename(pc));
   if (p->signo == ESIGNAL) {
       printf("\nerror at ");
       printwhere(curline, cursource);
       if (errnum != 0) {
           printf(":  %s", pxerrmsg[errnum]);
       }
   } else {
       printf("\n\ninterrupt at ");
       printwhere(curline, cursource);
   }
   putchar('\n');
   printlines(curline, curline);
   erecover();
}