Commit | Line | Data |
---|---|---|
a798dbf2 | 1 | package B::Debug; |
28b605d8 | 2 | |
2814eb74 | 3 | our $VERSION = '1.02'; |
28b605d8 | 4 | |
a798dbf2 MB |
5 | use strict; |
6 | use B qw(peekop class walkoptree walkoptree_exec | |
7 | main_start main_root cstring sv_undef); | |
8 | use B::Asmdata qw(@specialsv_name); | |
9 | ||
10 | my %done_gv; | |
11 | ||
12 | sub B::OP::debug { | |
13 | my ($op) = @_; | |
2814eb74 | 14 | printf <<'EOT', class($op), $$op, ${$op->next}, ${$op->sibling}, $op->ppaddr, $op->targ, $op->type, $op->opt, $op->static, $op->flags, $op->private; |
a798dbf2 MB |
15 | %s (0x%lx) |
16 | op_next 0x%x | |
17 | op_sibling 0x%x | |
18 | op_ppaddr %s | |
19 | op_targ %d | |
20 | op_type %d | |
2814eb74 PJ |
21 | op_opt %d |
22 | op_static %d | |
a798dbf2 MB |
23 | op_flags %d |
24 | op_private %d | |
25 | EOT | |
26 | } | |
27 | ||
28 | sub B::UNOP::debug { | |
29 | my ($op) = @_; | |
30 | $op->B::OP::debug(); | |
31 | printf "\top_first\t0x%x\n", ${$op->first}; | |
32 | } | |
33 | ||
34 | sub B::BINOP::debug { | |
35 | my ($op) = @_; | |
36 | $op->B::UNOP::debug(); | |
37 | printf "\top_last\t\t0x%x\n", ${$op->last}; | |
38 | } | |
39 | ||
ee3e756d RH |
40 | sub B::LOOP::debug { |
41 | my ($op) = @_; | |
42 | $op->B::BINOP::debug(); | |
43 | printf <<'EOT', ${$op->redoop}, ${$op->nextop}, ${$op->lastop}; | |
7e107e90 RGS |
44 | op_redoop 0x%x |
45 | op_nextop 0x%x | |
46 | op_lastop 0x%x | |
ee3e756d RH |
47 | EOT |
48 | } | |
49 | ||
a798dbf2 MB |
50 | sub B::LOGOP::debug { |
51 | my ($op) = @_; | |
52 | $op->B::UNOP::debug(); | |
53 | printf "\top_other\t0x%x\n", ${$op->other}; | |
54 | } | |
55 | ||
a798dbf2 MB |
56 | sub B::LISTOP::debug { |
57 | my ($op) = @_; | |
58 | $op->B::BINOP::debug(); | |
c03c2844 | 59 | printf "\top_children\t%d\n", $op->children; |
a798dbf2 MB |
60 | } |
61 | ||
62 | sub B::PMOP::debug { | |
63 | my ($op) = @_; | |
64 | $op->B::LISTOP::debug(); | |
65 | printf "\top_pmreplroot\t0x%x\n", ${$op->pmreplroot}; | |
66 | printf "\top_pmreplstart\t0x%x\n", ${$op->pmreplstart}; | |
67 | printf "\top_pmnext\t0x%x\n", ${$op->pmnext}; | |
68 | printf "\top_pmregexp->precomp\t%s\n", cstring($op->precomp); | |
69 | printf "\top_pmflags\t0x%x\n", $op->pmflags; | |
a798dbf2 MB |
70 | $op->pmreplroot->debug; |
71 | } | |
72 | ||
73 | sub B::COP::debug { | |
74 | my ($op) = @_; | |
75 | $op->B::OP::debug(); | |
6e6a1aef | 76 | my $cop_io = class($op->io) eq 'SPECIAL' ? '' : $op->io->as_string; |
127212b2 | 77 | printf <<'EOT', $op->label, $op->stashpv, $op->file, $op->cop_seq, $op->arybase, $op->line, ${$op->warnings}, cstring($cop_io); |
a798dbf2 | 78 | cop_label %s |
11faa288 | 79 | cop_stashpv %s |
57843af0 | 80 | cop_file %s |
a798dbf2 MB |
81 | cop_seq %d |
82 | cop_arybase %d | |
83 | cop_line %d | |
b295d113 | 84 | cop_warnings 0x%x |
6e6a1aef | 85 | cop_io %s |
a798dbf2 | 86 | EOT |
a798dbf2 MB |
87 | } |
88 | ||
89 | sub B::SVOP::debug { | |
90 | my ($op) = @_; | |
91 | $op->B::OP::debug(); | |
92 | printf "\top_sv\t\t0x%x\n", ${$op->sv}; | |
93 | $op->sv->debug; | |
94 | } | |
95 | ||
96 | sub B::PVOP::debug { | |
97 | my ($op) = @_; | |
98 | $op->B::OP::debug(); | |
3267896c | 99 | printf "\top_pv\t\t%s\n", cstring($op->pv); |
a798dbf2 MB |
100 | } |
101 | ||
7934575e | 102 | sub B::PADOP::debug { |
a798dbf2 MB |
103 | my ($op) = @_; |
104 | $op->B::OP::debug(); | |
7934575e | 105 | printf "\top_padix\t\t%ld\n", $op->padix; |
a798dbf2 MB |
106 | } |
107 | ||
a798dbf2 MB |
108 | sub B::NULL::debug { |
109 | my ($sv) = @_; | |
110 | if ($$sv == ${sv_undef()}) { | |
111 | print "&sv_undef\n"; | |
112 | } else { | |
113 | printf "NULL (0x%x)\n", $$sv; | |
114 | } | |
115 | } | |
116 | ||
117 | sub B::SV::debug { | |
118 | my ($sv) = @_; | |
119 | if (!$$sv) { | |
120 | print class($sv), " = NULL\n"; | |
121 | return; | |
122 | } | |
123 | printf <<'EOT', class($sv), $$sv, $sv->REFCNT, $sv->FLAGS; | |
124 | %s (0x%x) | |
125 | REFCNT %d | |
126 | FLAGS 0x%x | |
127 | EOT | |
128 | } | |
129 | ||
3267896c RH |
130 | sub B::RV::debug { |
131 | my ($rv) = @_; | |
132 | B::SV::debug($rv); | |
133 | printf <<'EOT', ${$rv->RV}; | |
134 | RV 0x%x | |
135 | EOT | |
136 | $rv->RV->debug; | |
137 | } | |
138 | ||
a798dbf2 MB |
139 | sub B::PV::debug { |
140 | my ($sv) = @_; | |
141 | $sv->B::SV::debug(); | |
142 | my $pv = $sv->PV(); | |
143 | printf <<'EOT', cstring($pv), length($pv); | |
144 | xpv_pv %s | |
145 | xpv_cur %d | |
146 | EOT | |
147 | } | |
148 | ||
149 | sub B::IV::debug { | |
150 | my ($sv) = @_; | |
151 | $sv->B::SV::debug(); | |
152 | printf "\txiv_iv\t\t%d\n", $sv->IV; | |
153 | } | |
154 | ||
155 | sub B::NV::debug { | |
156 | my ($sv) = @_; | |
157 | $sv->B::IV::debug(); | |
158 | printf "\txnv_nv\t\t%s\n", $sv->NV; | |
159 | } | |
160 | ||
161 | sub B::PVIV::debug { | |
162 | my ($sv) = @_; | |
163 | $sv->B::PV::debug(); | |
164 | printf "\txiv_iv\t\t%d\n", $sv->IV; | |
165 | } | |
166 | ||
167 | sub B::PVNV::debug { | |
168 | my ($sv) = @_; | |
169 | $sv->B::PVIV::debug(); | |
170 | printf "\txnv_nv\t\t%s\n", $sv->NV; | |
171 | } | |
172 | ||
173 | sub B::PVLV::debug { | |
174 | my ($sv) = @_; | |
175 | $sv->B::PVNV::debug(); | |
176 | printf "\txlv_targoff\t%d\n", $sv->TARGOFF; | |
177 | printf "\txlv_targlen\t%u\n", $sv->TARGLEN; | |
178 | printf "\txlv_type\t%s\n", cstring(chr($sv->TYPE)); | |
179 | } | |
180 | ||
181 | sub B::BM::debug { | |
182 | my ($sv) = @_; | |
183 | $sv->B::PVNV::debug(); | |
184 | printf "\txbm_useful\t%d\n", $sv->USEFUL; | |
185 | printf "\txbm_previous\t%u\n", $sv->PREVIOUS; | |
186 | printf "\txbm_rare\t%s\n", cstring(chr($sv->RARE)); | |
187 | } | |
188 | ||
189 | sub B::CV::debug { | |
190 | my ($sv) = @_; | |
191 | $sv->B::PVNV::debug(); | |
192 | my ($stash) = $sv->STASH; | |
193 | my ($start) = $sv->START; | |
194 | my ($root) = $sv->ROOT; | |
195 | my ($padlist) = $sv->PADLIST; | |
57843af0 | 196 | my ($file) = $sv->FILE; |
a798dbf2 | 197 | my ($gv) = $sv->GV; |
a3985cdc | 198 | printf <<'EOT', $$stash, $$start, $$root, $$gv, $file, $sv->DEPTH, $padlist, ${$sv->OUTSIDE}, $sv->OUTSIDE_SEQ; |
a798dbf2 MB |
199 | STASH 0x%x |
200 | START 0x%x | |
201 | ROOT 0x%x | |
202 | GV 0x%x | |
57843af0 | 203 | FILE %s |
a798dbf2 | 204 | DEPTH %d |
7e107e90 | 205 | PADLIST 0x%x |
a798dbf2 | 206 | OUTSIDE 0x%x |
a3985cdc | 207 | OUTSIDE_SEQ %d |
a798dbf2 MB |
208 | EOT |
209 | $start->debug if $start; | |
210 | $root->debug if $root; | |
211 | $gv->debug if $gv; | |
a798dbf2 MB |
212 | $padlist->debug if $padlist; |
213 | } | |
214 | ||
215 | sub B::AV::debug { | |
216 | my ($av) = @_; | |
217 | $av->B::SV::debug; | |
218 | my(@array) = $av->ARRAY; | |
219 | print "\tARRAY\t\t(", join(", ", map("0x" . $$_, @array)), ")\n"; | |
220 | printf <<'EOT', scalar(@array), $av->MAX, $av->OFF, $av->AvFLAGS; | |
7e107e90 | 221 | FILL %d |
a798dbf2 MB |
222 | MAX %d |
223 | OFF %d | |
224 | AvFLAGS %d | |
225 | EOT | |
226 | } | |
7e107e90 | 227 | |
a798dbf2 MB |
228 | sub B::GV::debug { |
229 | my ($gv) = @_; | |
230 | if ($done_gv{$$gv}++) { | |
002b978b | 231 | printf "GV %s::%s\n", $gv->STASH->NAME, $gv->SAFENAME; |
a798dbf2 MB |
232 | return; |
233 | } | |
234 | my ($sv) = $gv->SV; | |
235 | my ($av) = $gv->AV; | |
236 | my ($cv) = $gv->CV; | |
237 | $gv->B::SV::debug; | |
002b978b | 238 | printf <<'EOT', $gv->SAFENAME, $gv->STASH->NAME, $gv->STASH, $$sv, $gv->GvREFCNT, $gv->FORM, $$av, ${$gv->HV}, ${$gv->EGV}, $$cv, $gv->CVGEN, $gv->LINE, $gv->FILE, $gv->GvFLAGS; |
a798dbf2 MB |
239 | NAME %s |
240 | STASH %s (0x%x) | |
241 | SV 0x%x | |
242 | GvREFCNT %d | |
243 | FORM 0x%x | |
244 | AV 0x%x | |
245 | HV 0x%x | |
246 | EGV 0x%x | |
247 | CV 0x%x | |
248 | CVGEN %d | |
249 | LINE %d | |
b195d487 | 250 | FILE %s |
a798dbf2 MB |
251 | GvFLAGS 0x%x |
252 | EOT | |
253 | $sv->debug if $sv; | |
254 | $av->debug if $av; | |
255 | $cv->debug if $cv; | |
256 | } | |
257 | ||
258 | sub B::SPECIAL::debug { | |
259 | my $sv = shift; | |
260 | print $specialsv_name[$$sv], "\n"; | |
261 | } | |
262 | ||
263 | sub compile { | |
264 | my $order = shift; | |
2b8dc4d2 | 265 | B::clearsym(); |
7ebf56ae | 266 | if ($order && $order eq "exec") { |
a798dbf2 MB |
267 | return sub { walkoptree_exec(main_start, "debug") } |
268 | } else { | |
269 | return sub { walkoptree(main_root, "debug") } | |
270 | } | |
271 | } | |
272 | ||
273 | 1; | |
7f20e9dd GS |
274 | |
275 | __END__ | |
276 | ||
277 | =head1 NAME | |
278 | ||
279 | B::Debug - Walk Perl syntax tree, printing debug info about ops | |
280 | ||
281 | =head1 SYNOPSIS | |
282 | ||
283 | perl -MO=Debug[,OPTIONS] foo.pl | |
284 | ||
285 | =head1 DESCRIPTION | |
286 | ||
287 | See F<ext/B/README>. | |
288 | ||
289 | =head1 AUTHOR | |
290 | ||
291 | Malcolm Beattie, C<mbeattie@sable.ox.ac.uk> | |
292 | ||
293 | =cut |