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/* run.c
*
* Copyright (c) 1991-1994, 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
*/
char **watchaddr = 0;
char *watchok;
#ifndef DEBUGGING
int
run() {
SAVEI32(runlevel);
runlevel++;
while ( op = (*op->op_ppaddr)() ) ;
return 0;
}
#else
static void debprof _((OP*op));
int
run() {
if (!op) {
warn("NULL OP IN RUN");
return 0;
}
SAVEI32(runlevel);
runlevel++;
do {
if (debug) {
if (watchaddr != 0 && *watchaddr != watchok)
fprintf(stderr, "WARNING: %lx changed from %lx to %lx\n",
(long)watchaddr, (long)watchok, (long)*watchaddr);
DEBUG_s(debstack());
DEBUG_t(debop(op));
DEBUG_P(debprof(op));
}
} while ( op = (*op->op_ppaddr)() );
return 0;
}
I32
debop(op)
OP *op;
{
SV *sv;
deb("%s", op_name[op->op_type]);
switch (op->op_type) {
case OP_CONST:
fprintf(stderr, "(%s)", SvPEEK(cSVOP->op_sv));
break;
case OP_GVSV:
case OP_GV:
if (cGVOP->op_gv) {
sv = NEWSV(0,0);
gv_fullname(sv, cGVOP->op_gv);
fprintf(stderr, "(%s)", SvPV(sv, na));
SvREFCNT_dec(sv);
}
else
fprintf(stderr, "(NULL)");
break;
default:
break;
}
fprintf(stderr, "\n");
return 0;
}
void
watch(addr)
char **addr;
{
watchaddr = addr;
watchok = *addr;
fprintf(stderr, "WATCHING, %lx is currently %lx\n",
(long)watchaddr, (long)watchok);
}
static void
debprof(op)
OP* op;
{
if (!profiledata)
New(000, profiledata, MAXO, U32);
++profiledata[op->op_type];
}
void
debprofdump()
{
U32 i;
if (!profiledata)
return;
for (i = 0; i < MAXO; i++) {
if (profiledata[i])
fprintf(stderr, "%d\t%lu\n", i, profiledata[i]);
}
}
#endif
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