-/* $RCSfile: op.c,v $$Revision: 4.1 $$Date: 92/08/07 17:19:16 $
+/* deb.c
*
- * Copyright (c) 1991, Larry Wall
+ * Copyright (c) 1991-2001, 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.
- *
+ */
+
+/*
+ * "Didst thou think that the eyes of the White Tower were blind? Nay, I
+ * have seen more than thou knowest, Gray Fool." --Denethor
*/
#include "EXTERN.h"
+#define PERL_IN_DEB_C
#include "perl.h"
-#ifdef I_VARARGS
-# include <varargs.h>
-#endif
-
-void deb_growlevel();
-
-# ifndef I_VARARGS
-/*VARARGS1*/
-void deb(pat,a1,a2,a3,a4,a5,a6,a7,a8)
-char *pat;
+#if defined(PERL_IMPLICIT_CONTEXT)
+void
+Perl_deb_nocontext(const char *pat, ...)
{
- register I32 i;
-
- fprintf(stderr,"%-4ld",(long)curop->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);
+#ifdef DEBUGGING
+ dTHX;
+ va_list args;
+ va_start(args, pat);
+ vdeb(pat, &args);
+ va_end(args);
+#endif /* DEBUGGING */
}
-# else
-/*VARARGS1*/
-void deb(va_alist)
-va_dcl
+#endif
+
+void
+Perl_deb(pTHX_ const char *pat, ...)
{
+#ifdef DEBUGGING
va_list args;
- char *pat;
- register I32 i;
-
- va_start(args);
- fprintf(stderr,"%-4ld",(long)curcop->cop_line);
- for (i=0; i<dlevel; i++)
- fprintf(stderr,"%c%c ",debname[i],debdelim[i]);
-
- pat = va_arg(args, char *);
- (void) vfprintf(stderr,pat,args);
- va_end( args );
+ va_start(args, pat);
+ vdeb(pat, &args);
+ va_end(args);
+#endif /* DEBUGGING */
}
-# endif
void
-deb_growlevel()
+Perl_vdeb(pTHX_ const char *pat, va_list *args)
{
- dlmax += 128;
- Renew(debname, dlmax, char);
- Renew(debdelim, dlmax, char);
+#ifdef DEBUGGING
+ char* file = CopFILE(PL_curcop);
+
+#ifdef USE_5005THREADS
+ PerlIO_printf(Perl_debug_log, "0x%"UVxf" (%s:%ld)\t",
+ PTR2UV(thr),
+ (file ? file : "<free>"),
+ (long)CopLINE(PL_curcop));
+#else
+ PerlIO_printf(Perl_debug_log, "(%s:%ld)\t", (file ? file : "<free>"),
+ (long)CopLINE(PL_curcop));
+#endif /* USE_5005THREADS */
+ (void) PerlIO_vprintf(Perl_debug_log, pat, *args);
+#endif /* DEBUGGING */
}
I32
-debstackptrs()
+Perl_debstackptrs(pTHX)
{
- 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));
+#ifdef DEBUGGING
+ PerlIO_printf(Perl_debug_log,
+ "%8"UVxf" %8"UVxf" %8"IVdf" %8"IVdf" %8"IVdf"\n",
+ PTR2UV(PL_curstack), PTR2UV(PL_stack_base),
+ (IV)*PL_markstack_ptr, (IV)(PL_stack_sp-PL_stack_base),
+ (IV)(PL_stack_max-PL_stack_base));
+ PerlIO_printf(Perl_debug_log,
+ "%8"UVxf" %8"UVxf" %8"UVuf" %8"UVuf" %8"UVuf"\n",
+ PTR2UV(PL_mainstack), PTR2UV(AvARRAY(PL_curstack)),
+ PTR2UV(PL_mainstack), PTR2UV(AvFILLp(PL_curstack)),
+ PTR2UV(AvMAX(PL_curstack)));
+#endif /* DEBUGGING */
return 0;
}
I32
-debstack()
+Perl_debstack(pTHX)
{
- register I32 i;
- I32 markoff = markstack_ptr > markstack ? *markstack_ptr : -1;
+#ifdef DEBUGGING
+ I32 top = PL_stack_sp - PL_stack_base;
+ register I32 i = top - 30;
+ I32 *markscan = PL_markstack + PL_curstackinfo->si_markoff;
+
+ if (i < 0)
+ i = 0;
+
+ while (++markscan <= PL_markstack_ptr)
+ if (*markscan >= i)
+ break;
- 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 ? "]" : " ]") : "");
+#ifdef USE_5005THREADS
+ PerlIO_printf(Perl_debug_log,
+ i ? "0x%"UVxf" => ... " : "0x%lx => ",
+ PTR2UV(thr));
+#else
+ PerlIO_printf(Perl_debug_log, i ? " => ... " : " => ");
+#endif /* USE_5005THREADS */
+ if (PL_stack_base[0] != &PL_sv_undef || PL_stack_sp < PL_stack_base)
+ PerlIO_printf(Perl_debug_log, " [STACK UNDERFLOW!!!]\n");
+ do {
+ ++i;
+ if (markscan <= PL_markstack_ptr && *markscan < i) {
+ do {
+ ++markscan;
+ PerlIO_putc(Perl_debug_log, '*');
+ }
+ while (markscan <= PL_markstack_ptr && *markscan < i);
+ PerlIO_printf(Perl_debug_log, " ");
}
+ if (i > top)
+ break;
+ PerlIO_printf(Perl_debug_log, "%-4s ", SvPEEK(PL_stack_base[i]));
}
- fprintf(stderr, "\n");
+ while (1);
+ PerlIO_printf(Perl_debug_log, "\n");
+#endif /* DEBUGGING */
return 0;
}
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