| | 1 | /* run.c |
| | 2 | * |
| | 3 | * Copyright (c) 1991-1997, Larry Wall |
| | 4 | * |
| | 5 | * You may distribute under the terms of either the GNU General Public |
| | 6 | * License or the Artistic License, as specified in the README file. |
| | 7 | * |
| | 8 | */ |
| | 9 | |
| | 10 | #include "EXTERN.h" |
| | 11 | #include "perl.h" |
| | 12 | |
| | 13 | /* |
| | 14 | * "Away now, Shadowfax! Run, greatheart, run as you have never run before! |
| | 15 | * Now we are come to the lands where you were foaled, and every stone you |
| | 16 | * know. Run now! Hope is in speed!" --Gandalf |
| | 17 | */ |
| | 18 | |
| | 19 | dEXT char **watchaddr = 0; |
| | 20 | dEXT char *watchok; |
| | 21 | |
| | 22 | #ifndef DEBUGGING |
| | 23 | |
| | 24 | int |
| | 25 | runops() { |
| | 26 | SAVEI32(runlevel); |
| | 27 | runlevel++; |
| | 28 | |
| | 29 | while ( op = (*op->op_ppaddr)() ) ; |
| | 30 | |
| | 31 | TAINT_NOT; |
| | 32 | return 0; |
| | 33 | } |
| | 34 | |
| | 35 | #else |
| | 36 | |
| | 37 | static void debprof _((OP*op)); |
| | 38 | |
| | 39 | int |
| | 40 | runops() { |
| | 41 | if (!op) { |
| | 42 | warn("NULL OP IN RUN"); |
| | 43 | return 0; |
| | 44 | } |
| | 45 | |
| | 46 | SAVEI32(runlevel); |
| | 47 | runlevel++; |
| | 48 | |
| | 49 | do { |
| | 50 | if (debug) { |
| | 51 | if (watchaddr != 0 && *watchaddr != watchok) |
| | 52 | PerlIO_printf(Perl_debug_log, "WARNING: %lx changed from %lx to %lx\n", |
| | 53 | (long)watchaddr, (long)watchok, (long)*watchaddr); |
| | 54 | DEBUG_s(debstack()); |
| | 55 | DEBUG_t(debop(op)); |
| | 56 | DEBUG_P(debprof(op)); |
| | 57 | } |
| | 58 | } while ( op = (*op->op_ppaddr)() ); |
| | 59 | |
| | 60 | TAINT_NOT; |
| | 61 | return 0; |
| | 62 | } |
| | 63 | |
| | 64 | I32 |
| | 65 | debop(op) |
| | 66 | OP *op; |
| | 67 | { |
| | 68 | SV *sv; |
| | 69 | deb("%s", op_name[op->op_type]); |
| | 70 | switch (op->op_type) { |
| | 71 | case OP_CONST: |
| | 72 | PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOP->op_sv)); |
| | 73 | break; |
| | 74 | case OP_GVSV: |
| | 75 | case OP_GV: |
| | 76 | if (cGVOP->op_gv) { |
| | 77 | sv = NEWSV(0,0); |
| | 78 | gv_fullname3(sv, cGVOP->op_gv, Nullch); |
| | 79 | PerlIO_printf(Perl_debug_log, "(%s)", SvPV(sv, na)); |
| | 80 | SvREFCNT_dec(sv); |
| | 81 | } |
| | 82 | else |
| | 83 | PerlIO_printf(Perl_debug_log, "(NULL)"); |
| | 84 | break; |
| | 85 | default: |
| | 86 | break; |
| | 87 | } |
| | 88 | PerlIO_printf(Perl_debug_log, "\n"); |
| | 89 | return 0; |
| | 90 | } |
| | 91 | |
| | 92 | void |
| | 93 | watch(addr) |
| | 94 | char **addr; |
| | 95 | { |
| | 96 | watchaddr = addr; |
| | 97 | watchok = *addr; |
| | 98 | PerlIO_printf(Perl_debug_log, "WATCHING, %lx is currently %lx\n", |
| | 99 | (long)watchaddr, (long)watchok); |
| | 100 | } |
| | 101 | |
| | 102 | static void |
| | 103 | debprof(op) |
| | 104 | OP* op; |
| | 105 | { |
| | 106 | if (!profiledata) |
| | 107 | New(000, profiledata, MAXO, U32); |
| | 108 | ++profiledata[op->op_type]; |
| | 109 | } |
| | 110 | |
| | 111 | void |
| | 112 | debprofdump() |
| | 113 | { |
| | 114 | unsigned i; |
| | 115 | if (!profiledata) |
| | 116 | return; |
| | 117 | for (i = 0; i < MAXO; i++) { |
| | 118 | if (profiledata[i]) |
| | 119 | PerlIO_printf(Perl_debug_log, |
| | 120 | "%u\t%lu\n", i, (unsigned long)profiledata[i]); |
| | 121 | } |
| | 122 | } |
| | 123 | |
| | 124 | #endif |
| | 125 | |
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