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/* $RCSfile: op.c,v $$Revision: 4.1 $$Date: 92/08/07 17:19:16 $
*
* Copyright (c) 1991, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
* $Log: op.c,v $
* Revision 4.1 92/08/07 17:19:16 lwall
* Stage 6 Snapshot
*
* Revision 4.0.1.5 92/06/08 12:00:39 lwall
* patch20: the switch optimizer didn't do anything in subroutines
* patch20: removed implicit int declarations on funcions
*
* Revision 4.0.1.4 91/11/11 16:29:33 lwall
* patch19: do {$foo ne "bar";} returned wrong value
* patch19: some earlier patches weren't propagated to alternate 286 code
*
* Revision 4.0.1.3 91/11/05 16:07:43 lwall
* patch11: random cleanup
* patch11: "foo\0" eq "foo" was sometimes optimized to true
* patch11: foreach on null list could spring memory leak
*
* Revision 4.0.1.2 91/06/07 10:26:45 lwall
* patch4: new copyright notice
* patch4: made some allowances for "semi-standard" C
*
* Revision 4.0.1.1 91/04/11 17:36:16 lwall
* patch1: you may now use "die" and "caller" in a signal handler
*
* Revision 4.0 91/03/20 01:04:18 lwall
* 4.0 baseline.
*
*/
#include "EXTERN.h"
#include "perl.h"
void deb_growlevel();
#if !defined(STANDARD_C) && !defined(I_VARARGS)
/*
* Fallback on the old hackers way of doing varargs
*/
/*VARARGS1*/
void
deb(pat,a1,a2,a3,a4,a5,a6,a7,a8)
char *pat;
{
register I32 i;
fprintf(stderr,"(%s:%ld)\t",
SvPVX(GvSV(curcop->cop_filegv)),(long)curcop->cop_line);
for (i=0; i<dlevel; i++)
fprintf(stderr,"%c%c ",debname[i],debdelim[i]);
fprintf(stderr,pat,a1,a2,a3,a4,a5,a6,a7,a8);
}
#else /* !defined(STANDARD_C) && !defined(I_VARARGS) */
# ifdef STANDARD_C
void
deb(char *pat, ...)
# else
/*VARARGS1*/
void
deb(pat, va_alist)
char *pat;
va_dcl
# endif
{
va_list args;
register I32 i;
fprintf(stderr,"(%s:%ld)\t",
SvPVX(GvSV(curcop->cop_filegv)),(long)curcop->cop_line);
for (i=0; i<dlevel; i++)
fprintf(stderr,"%c%c ",debname[i],debdelim[i]);
# if STANDARD_C
va_start(args, pat);
# else
va_start(args);
# endif
(void) vfprintf(stderr,pat,args);
va_end( args );
}
#endif /* !defined(STANDARD_C) && !defined(I_VARARGS) */
void
deb_growlevel()
{
dlmax += 128;
Renew(debname, dlmax, char);
Renew(debdelim, dlmax, char);
}
I32
debstackptrs()
{
fprintf(stderr, "%8lx %8lx %8ld %8ld %8ld\n",
stack, stack_base, *markstack_ptr, stack_sp-stack_base, stack_max-stack_base);
fprintf(stderr, "%8lx %8lx %8ld %l8d %8ld\n",
mainstack, AvARRAY(stack), mainstack, AvFILL(stack), AvMAX(stack));
return 0;
}
I32
debstack()
{
register I32 i;
I32 markoff = markstack_ptr > markstack ? *markstack_ptr : -1;
fprintf(stderr, " =>");
if (stack_base[0] || stack_sp < stack_base)
fprintf(stderr, " [STACK UNDERFLOW!!!]\n");
for (i = 1; i <= 30; i++) {
if (stack_sp >= &stack_base[i])
{
fprintf(stderr, "\t%-4s%s%s", SvPEEK(stack_base[i]),
markoff == i ? " [" : "",
stack_sp == &stack_base[i] ?
(markoff == i ? "]" : " ]") : "");
}
}
fprintf(stderr, "\n");
return 0;
}
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