| | 1 | /* run.c |
| | 2 | * |
| | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
| | 4 | * 2000, 2001, 2004, 2005, 2006, by Larry Wall and others |
| | 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 | |
| | 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 |
| | 14 | * it's the end of the sub or program or whatever. |
| | 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 | |
| | 24 | #include "EXTERN.h" |
| | 25 | #define PERL_IN_RUN_C |
| | 26 | #include "perl.h" |
| | 27 | |
| | 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 | * [p.600 of _The Lord of the Rings_, III/xi: "The PalantÃr"] |
| | 34 | */ |
| | 35 | |
| | 36 | int |
| | 37 | Perl_runops_standard(pTHX) |
| | 38 | { |
| | 39 | OP *op = PL_op; |
| | 40 | OP_ENTRY_PROBE(OP_NAME(op)); |
| | 41 | while ((PL_op = op = op->op_ppaddr(aTHX))) { |
| | 42 | OP_ENTRY_PROBE(OP_NAME(op)); |
| | 43 | } |
| | 44 | PERL_ASYNC_CHECK(); |
| | 45 | |
| | 46 | TAINT_NOT; |
| | 47 | return 0; |
| | 48 | } |
| | 49 | |
| | 50 | /* |
| | 51 | * Local variables: |
| | 52 | * c-indentation-style: bsd |
| | 53 | * c-basic-offset: 4 |
| | 54 | * indent-tabs-mode: nil |
| | 55 | * End: |
| | 56 | * |
| | 57 | * ex: set ts=8 sts=4 sw=4 et: |
| | 58 | */ |
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