140 lines
2.6 KiB
C
140 lines
2.6 KiB
C
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/* run.c
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*
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* Copyright (c) 1991-1997, Larry Wall
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*
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* You may distribute under the terms of either the GNU General Public
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* License or the Artistic License, as specified in the README file.
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*
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*/
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#include "EXTERN.h"
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#include "perl.h"
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/*
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* "Away now, Shadowfax! Run, greatheart, run as you have never run before!
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* Now we are come to the lands where you were foaled, and every stone you
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* know. Run now! Hope is in speed!" --Gandalf
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*/
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#ifdef PERL_OBJECT
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#define CALLOP this->*PL_op
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#else
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#define CALLOP *PL_op
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#endif
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int
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runops_standard(void)
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{
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dTHR;
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while ( PL_op = (CALLOP->op_ppaddr)(ARGS) ) ;
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TAINT_NOT;
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return 0;
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}
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#ifdef DEBUGGING
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dEXT char **watchaddr = 0;
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dEXT char *watchok;
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#ifndef PERL_OBJECT
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static void debprof _((OP*o));
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#endif
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#endif /* DEBUGGING */
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int
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runops_debug(void)
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{
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#ifdef DEBUGGING
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dTHR;
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if (!PL_op) {
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warn("NULL OP IN RUN");
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return 0;
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}
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do {
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if (PL_debug) {
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if (watchaddr != 0 && *watchaddr != watchok)
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PerlIO_printf(Perl_debug_log, "WARNING: %lx changed from %lx to %lx\n",
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(long)watchaddr, (long)watchok, (long)*watchaddr);
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DEBUG_s(debstack());
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DEBUG_t(debop(PL_op));
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DEBUG_P(debprof(PL_op));
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}
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} while ( PL_op = (CALLOP->op_ppaddr)(ARGS) );
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TAINT_NOT;
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return 0;
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#else
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return runops_standard();
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#endif /* DEBUGGING */
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}
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I32
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debop(OP *o)
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{
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#ifdef DEBUGGING
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SV *sv;
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deb("%s", op_name[o->op_type]);
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switch (o->op_type) {
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case OP_CONST:
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PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOPo->op_sv));
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break;
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case OP_GVSV:
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case OP_GV:
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if (cGVOPo->op_gv) {
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sv = NEWSV(0,0);
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gv_fullname3(sv, cGVOPo->op_gv, Nullch);
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PerlIO_printf(Perl_debug_log, "(%s)", SvPV(sv, PL_na));
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SvREFCNT_dec(sv);
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}
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else
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PerlIO_printf(Perl_debug_log, "(NULL)");
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break;
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default:
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break;
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}
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PerlIO_printf(Perl_debug_log, "\n");
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#endif /* DEBUGGING */
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return 0;
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}
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void
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watch(char **addr)
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{
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#ifdef DEBUGGING
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watchaddr = addr;
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watchok = *addr;
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PerlIO_printf(Perl_debug_log, "WATCHING, %lx is currently %lx\n",
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(long)watchaddr, (long)watchok);
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#endif /* DEBUGGING */
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}
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STATIC void
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debprof(OP *o)
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{
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#ifdef DEBUGGING
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if (!PL_profiledata)
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Newz(000, PL_profiledata, MAXO, U32);
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++PL_profiledata[o->op_type];
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#endif /* DEBUGGING */
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}
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void
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debprofdump(void)
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{
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#ifdef DEBUGGING
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unsigned i;
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if (!PL_profiledata)
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return;
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for (i = 0; i < MAXO; i++) {
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if (PL_profiledata[i])
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PerlIO_printf(Perl_debug_log,
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"%5lu %s\n", (unsigned long)PL_profiledata[i],
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op_name[i]);
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}
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#endif /* DEBUGGING */
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}
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