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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
-
-