+/* run.c
+ *
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ * 2000, 2001, 2004, 2005, 2006, by Larry Wall and others
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
+ *
+ */
+
+/* This file contains the main Perl opcode execution loop. It just
+ * calls the pp_foo() function associated with each op, and expects that
+ * function to return a pointer to the next op to be executed, or null if
+ * it's the end of the sub or program or whatever.
+ *
+ * There is a similar loop in dump.c, Perl_runops_debug(), which does
+ * the same, but also checks for various debug flags each time round the
+ * loop.
+ *
+ * Why this function requires a file all of its own is anybody's guess.
+ * DAPM.
+ */
+
#include "EXTERN.h"
+#define PERL_IN_RUN_C
#include "perl.h"
-char **watchaddr = 0;
-char *watchok;
-
-#ifndef DEBUGGING
-
-run() {
- while ( op = (*op->op_ppaddr)() ) ;
-}
-
-#else
-
-run() {
- if (!op) {
- warn("NULL OP IN RUN");
- return;
- }
- do {
- if (debug) {
- if (watchaddr != 0 && *watchaddr != watchok)
- fprintf(stderr, "WARNING: %lx changed from %lx to %lx\n",
- watchaddr, watchok, *watchaddr);
- DEBUG_s(debstack());
- DEBUG_t(debop(op));
- }
- } while ( op = (*op->op_ppaddr)() );
-}
+/*
+ * "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
+ */
-#endif
-
-I32
-getgimme(op)
-OP *op;
-{
- return cxstack[cxstack_ix].blk_gimme;
-}
-
-I32
-debop(op)
-OP *op;
+int
+Perl_runops_standard(pTHX)
{
- 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)", SvPVn(sv));
- sv_free(sv);
- }
- else
- fprintf(stderr, "(NULL)");
- break;
+ dVAR;
+ while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX))) {
+ PERL_ASYNC_CHECK();
}
- fprintf(stderr, "\n");
+
+ TAINT_NOT;
return 0;
}
-void
-watch(addr)
-char **addr;
-{
- watchaddr = addr;
- watchok = *addr;
- fprintf(stderr, "WATCHING, %lx is currently %lx\n",
- watchaddr, watchok);
-}
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */