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/* run.c
*
* Copyright (c) 1991-1999, 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.
*
*/
#include "EXTERN.h"
#include "perl.h"
/*
* "Away now, Shadowfax! Run, greatheart, run as you have never run before!
* Now we are come to the lands where you were foaled, and every stone you
* know. Run now! Hope is in speed!" --Gandalf
*/
#ifdef PERL_OBJECT
#define CALLOP this->*PL_op
#else
#define CALLOP *PL_op
#endif
int
runops_standard(void)
{
dTHR;
while ( PL_op = (CALLOP->op_ppaddr)(ARGS) ) ;
TAINT_NOT;
return 0;
}
#ifdef DEBUGGING
dEXT char **watchaddr = 0;
dEXT char *watchok;
#ifndef PERL_OBJECT
static void debprof _((OP*o));
#endif
#endif /* DEBUGGING */
int
runops_debug(void)
{
#ifdef DEBUGGING
dTHR;
if (!PL_op) {
warn("NULL OP IN RUN");
return 0;
}
do {
if (PL_debug) {
if (watchaddr != 0 && *watchaddr != watchok)
PerlIO_printf(Perl_debug_log, "WARNING: %lx changed from %lx to %lx\n",
(long)watchaddr, (long)watchok, (long)*watchaddr);
DEBUG_s(debstack());
DEBUG_t(debop(PL_op));
DEBUG_P(debprof(PL_op));
}
} while ( PL_op = (CALLOP->op_ppaddr)(ARGS) );
TAINT_NOT;
return 0;
#else
return runops_standard();
#endif /* DEBUGGING */
}
I32
debop(OP *o)
{
#ifdef DEBUGGING
SV *sv;
STRLEN n_a;
deb("%s", op_name[o->op_type]);
switch (o->op_type) {
case OP_CONST:
PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOPo->op_sv));
break;
case OP_GVSV:
case OP_GV:
if (cGVOPo->op_gv) {
sv = NEWSV(0,0);
gv_fullname3(sv, cGVOPo->op_gv, Nullch);
PerlIO_printf(Perl_debug_log, "(%s)", SvPV(sv, n_a));
SvREFCNT_dec(sv);
}
else
PerlIO_printf(Perl_debug_log, "(NULL)");
break;
default:
break;
}
PerlIO_printf(Perl_debug_log, "\n");
#endif /* DEBUGGING */
return 0;
}
void
watch(char **addr)
{
#ifdef DEBUGGING
watchaddr = addr;
watchok = *addr;
PerlIO_printf(Perl_debug_log, "WATCHING, %lx is currently %lx\n",
(long)watchaddr, (long)watchok);
#endif /* DEBUGGING */
}
STATIC void
debprof(OP *o)
{
#ifdef DEBUGGING
if (!PL_profiledata)
Newz(000, PL_profiledata, MAXO, U32);
++PL_profiledata[o->op_type];
#endif /* DEBUGGING */
}
void
debprofdump(void)
{
#ifdef DEBUGGING
unsigned i;
if (!PL_profiledata)
return;
for (i = 0; i < MAXO; i++) {
if (PL_profiledata[i])
PerlIO_printf(Perl_debug_log,
"%5lu %s\n", (unsigned long)PL_profiledata[i],
op_name[i]);
}
#endif /* DEBUGGING */
}
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