Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* run.c |
2 | * | |
bc89e66f | 3 | * Copyright (c) 1991-2001, Larry Wall |
a0d0e21e LW |
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 | ||
79072805 | 10 | #include "EXTERN.h" |
864dbfa3 | 11 | #define PERL_IN_RUN_C |
79072805 LW |
12 | #include "perl.h" |
13 | ||
a0d0e21e LW |
14 | /* |
15 | * "Away now, Shadowfax! Run, greatheart, run as you have never run before! | |
16 | * Now we are come to the lands where you were foaled, and every stone you | |
17 | * know. Run now! Hope is in speed!" --Gandalf | |
18 | */ | |
19 | ||
a0d0e21e | 20 | int |
864dbfa3 | 21 | Perl_runops_standard(pTHX) |
17c3b450 | 22 | { |
155aba94 | 23 | while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX))) { |
da927450 | 24 | PERL_ASYNC_CHECK(); |
cd39f2b6 | 25 | } |
fd18d308 CS |
26 | |
27 | TAINT_NOT; | |
a0d0e21e | 28 | return 0; |
79072805 LW |
29 | } |
30 | ||
a0d0e21e | 31 | int |
864dbfa3 | 32 | Perl_runops_debug(pTHX) |
35ff7856 GS |
33 | { |
34 | #ifdef DEBUGGING | |
f248d071 GS |
35 | if (!PL_op) { |
36 | if (ckWARN_d(WARN_DEBUGGING)) | |
37 | Perl_warner(aTHX_ WARN_DEBUGGING, "NULL OP IN RUN"); | |
a0d0e21e | 38 | return 0; |
79072805 | 39 | } |
a0d0e21e | 40 | |
79072805 | 41 | do { |
da927450 | 42 | PERL_ASYNC_CHECK(); |
3280af22 | 43 | if (PL_debug) { |
22c35a8c | 44 | if (PL_watchaddr != 0 && *PL_watchaddr != PL_watchok) |
b900a521 JH |
45 | PerlIO_printf(Perl_debug_log, |
46 | "WARNING: %"UVxf" changed from %"UVxf" to %"UVxf"\n", | |
4265b575 GS |
47 | PTR2UV(PL_watchaddr), PTR2UV(PL_watchok), |
48 | PTR2UV(*PL_watchaddr)); | |
79072805 | 49 | DEBUG_s(debstack()); |
533c011a NIS |
50 | DEBUG_t(debop(PL_op)); |
51 | DEBUG_P(debprof(PL_op)); | |
79072805 | 52 | } |
155aba94 | 53 | } while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX))); |
fd18d308 CS |
54 | |
55 | TAINT_NOT; | |
a0d0e21e | 56 | return 0; |
35ff7856 GS |
57 | #else |
58 | return runops_standard(); | |
17c3b450 | 59 | #endif /* DEBUGGING */ |
79072805 LW |
60 | } |
61 | ||
79072805 | 62 | I32 |
864dbfa3 | 63 | Perl_debop(pTHX_ OP *o) |
79072805 | 64 | { |
35ff7856 | 65 | #ifdef DEBUGGING |
53a2efa2 BS |
66 | AV *padlist, *comppad; |
67 | CV *cv; | |
79072805 | 68 | SV *sv; |
2d8e6c8d | 69 | STRLEN n_a; |
cea2e8a9 | 70 | Perl_deb(aTHX_ "%s", PL_op_name[o->op_type]); |
11343788 | 71 | switch (o->op_type) { |
79072805 | 72 | case OP_CONST: |
7766f137 | 73 | PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOPo_sv)); |
79072805 LW |
74 | break; |
75 | case OP_GVSV: | |
76 | case OP_GV: | |
638eceb6 | 77 | if (cGVOPo_gv) { |
79072805 | 78 | sv = NEWSV(0,0); |
638eceb6 | 79 | gv_fullname3(sv, cGVOPo_gv, Nullch); |
2d8e6c8d | 80 | PerlIO_printf(Perl_debug_log, "(%s)", SvPV(sv, n_a)); |
8990e307 | 81 | SvREFCNT_dec(sv); |
79072805 LW |
82 | } |
83 | else | |
760ac839 | 84 | PerlIO_printf(Perl_debug_log, "(NULL)"); |
79072805 | 85 | break; |
d6179d6f DM |
86 | case OP_PADSV: |
87 | case OP_PADAV: | |
88 | case OP_PADHV: | |
89 | /* print the lexical's name */ | |
53a2efa2 BS |
90 | cv = deb_curcv(cxstack_ix); |
91 | if (cv) { | |
92 | padlist = CvPADLIST(cv); | |
93 | comppad = (AV*)(*av_fetch(padlist, 0, FALSE)); | |
94 | sv = *av_fetch(comppad, o->op_targ, FALSE); | |
95 | } else | |
96 | sv = Nullsv; | |
97 | if (sv) | |
98 | PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen(sv)); | |
99 | else | |
ffb9ee5f | 100 | PerlIO_printf(Perl_debug_log, "[%"UVuf"]", (UV)o->op_targ); |
53a2efa2 | 101 | break; |
a0d0e21e LW |
102 | default: |
103 | break; | |
79072805 | 104 | } |
760ac839 | 105 | PerlIO_printf(Perl_debug_log, "\n"); |
17c3b450 | 106 | #endif /* DEBUGGING */ |
79072805 LW |
107 | return 0; |
108 | } | |
109 | ||
8fa7f367 JH |
110 | #ifdef DEBUGGING |
111 | ||
53a2efa2 | 112 | STATIC CV* |
7e78a3dd | 113 | S_deb_curcv(pTHX_ I32 ix) |
53a2efa2 | 114 | { |
53a2efa2 BS |
115 | PERL_CONTEXT *cx = &cxstack[ix]; |
116 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) | |
117 | return cx->blk_sub.cv; | |
0c51317d BS |
118 | else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx)) |
119 | return PL_compcv; | |
53a2efa2 BS |
120 | else if (ix == 0 && PL_curstackinfo->si_type == PERLSI_MAIN) |
121 | return PL_main_cv; | |
122 | else if (ix <= 0) | |
123 | return Nullcv; | |
124 | else | |
125 | return deb_curcv(ix - 1); | |
53a2efa2 BS |
126 | } |
127 | ||
8fa7f367 JH |
128 | #endif /* DEBUGGING */ |
129 | ||
79072805 | 130 | void |
864dbfa3 | 131 | Perl_watch(pTHX_ char **addr) |
79072805 | 132 | { |
35ff7856 | 133 | #ifdef DEBUGGING |
22c35a8c GS |
134 | PL_watchaddr = addr; |
135 | PL_watchok = *addr; | |
b900a521 JH |
136 | PerlIO_printf(Perl_debug_log, "WATCHING, %"UVxf" is currently %"UVxf"\n", |
137 | PTR2UV(PL_watchaddr), PTR2UV(PL_watchok)); | |
17c3b450 | 138 | #endif /* DEBUGGING */ |
79072805 | 139 | } |
a0d0e21e | 140 | |
8fa7f367 JH |
141 | #ifdef DEBUGGING |
142 | ||
76e3520e | 143 | STATIC void |
cea2e8a9 | 144 | S_debprof(pTHX_ OP *o) |
a0d0e21e | 145 | { |
3280af22 NIS |
146 | if (!PL_profiledata) |
147 | Newz(000, PL_profiledata, MAXO, U32); | |
148 | ++PL_profiledata[o->op_type]; | |
a0d0e21e LW |
149 | } |
150 | ||
8fa7f367 JH |
151 | #endif /* DEBUGGING */ |
152 | ||
a0d0e21e | 153 | void |
864dbfa3 | 154 | Perl_debprofdump(pTHX) |
a0d0e21e | 155 | { |
35ff7856 | 156 | #ifdef DEBUGGING |
9607fc9c | 157 | unsigned i; |
3280af22 | 158 | if (!PL_profiledata) |
a0d0e21e LW |
159 | return; |
160 | for (i = 0; i < MAXO; i++) { | |
3280af22 | 161 | if (PL_profiledata[i]) |
9607fc9c | 162 | PerlIO_printf(Perl_debug_log, |
3280af22 | 163 | "%5lu %s\n", (unsigned long)PL_profiledata[i], |
22c35a8c | 164 | PL_op_name[i]); |
a0d0e21e | 165 | } |
17c3b450 | 166 | #endif /* DEBUGGING */ |
35ff7856 | 167 | } |