/* run.c
*
- * Copyright (c) 1991-2003, Larry Wall
+ * 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"
/*
- * "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
+ * '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
+ *
+ * [p.600 of _The Lord of the Rings_, III/xi: "The PalantÃr"]
*/
int
Perl_runops_standard(pTHX)
{
- while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX))) {
- PERL_ASYNC_CHECK();
+ dVAR;
+ register OP *op = PL_op;
+ while ((PL_op = op = CALL_FPTR(op->op_ppaddr)(aTHX))) {
}
TAINT_NOT;
return 0;
}
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */