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[perl5.git] / run.c
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1/* run.c
2 *
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3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, by Larry Wall and others
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5 *
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8 *
9 */
10
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11/* This file contains the main Perl opcode execution loop. It just
12 * calls the pp_foo() function associated with each op, and expects that
13 * function to return a pointer to the next op to be executed, or null if
ddfa107c 14 * it's the end of the sub or program or whatever.
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15 *
16 * There is a similar loop in dump.c, Perl_runops_debug(), which does
17 * the same, but also checks for various debug flags each time round the
18 * loop.
19 *
20 * Why this function requires a file all of its own is anybody's guess.
21 * DAPM.
22 */
23
79072805 24#include "EXTERN.h"
864dbfa3 25#define PERL_IN_RUN_C
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26#include "perl.h"
27
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28/*
29 * "Away now, Shadowfax! Run, greatheart, run as you have never run before!
30 * Now we are come to the lands where you were foaled, and every stone you
31 * know. Run now! Hope is in speed!" --Gandalf
32 */
33
a0d0e21e 34int
864dbfa3 35Perl_runops_standard(pTHX)
17c3b450 36{
155aba94 37 while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX))) {
da927450 38 PERL_ASYNC_CHECK();
cd39f2b6 39 }
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40
41 TAINT_NOT;
a0d0e21e 42 return 0;
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43}
44
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45/*
46 * Local variables:
47 * c-indentation-style: bsd
48 * c-basic-offset: 4
49 * indent-tabs-mode: t
50 * End:
51 *
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RGS
52 * ex: set ts=8 sts=4 sw=4 noet:
53 */