Commit | Line | Data |
---|---|---|
a798dbf2 | 1 | package B::Debug; |
28b605d8 JH |
2 | |
3 | our $VERSION = '1.00'; | |
4 | ||
a798dbf2 MB |
5 | use strict; |
6 | use B qw(peekop class walkoptree walkoptree_exec | |
7 | main_start main_root cstring sv_undef); | |
8 | use B::Asmdata qw(@specialsv_name); | |
9 | ||
10 | my %done_gv; | |
11 | ||
12 | sub B::OP::debug { | |
13 | my ($op) = @_; | |
14 | printf <<'EOT', class($op), $$op, ${$op->next}, ${$op->sibling}, $op->ppaddr, $op->targ, $op->type, $op->seq, $op->flags, $op->private; | |
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 | |
21 | op_seq %d | |
22 | op_flags %d | |
23 | op_private %d | |
24 | EOT | |
25 | } | |
26 | ||
27 | sub B::UNOP::debug { | |
28 | my ($op) = @_; | |
29 | $op->B::OP::debug(); | |
30 | printf "\top_first\t0x%x\n", ${$op->first}; | |
31 | } | |
32 | ||
33 | sub B::BINOP::debug { | |
34 | my ($op) = @_; | |
35 | $op->B::UNOP::debug(); | |
36 | printf "\top_last\t\t0x%x\n", ${$op->last}; | |
37 | } | |
38 | ||
ee3e756d RH |
39 | sub B::LOOP::debug { |
40 | my ($op) = @_; | |
41 | $op->B::BINOP::debug(); | |
42 | printf <<'EOT', ${$op->redoop}, ${$op->nextop}, ${$op->lastop}; | |
7e107e90 RGS |
43 | op_redoop 0x%x |
44 | op_nextop 0x%x | |
45 | op_lastop 0x%x | |
ee3e756d RH |
46 | EOT |
47 | } | |
48 | ||
a798dbf2 MB |
49 | sub B::LOGOP::debug { |
50 | my ($op) = @_; | |
51 | $op->B::UNOP::debug(); | |
52 | printf "\top_other\t0x%x\n", ${$op->other}; | |
53 | } | |
54 | ||
a798dbf2 MB |
55 | sub B::LISTOP::debug { |
56 | my ($op) = @_; | |
57 | $op->B::BINOP::debug(); | |
c03c2844 | 58 | printf "\top_children\t%d\n", $op->children; |
a798dbf2 MB |
59 | } |
60 | ||
61 | sub B::PMOP::debug { | |
62 | my ($op) = @_; | |
63 | $op->B::LISTOP::debug(); | |
64 | printf "\top_pmreplroot\t0x%x\n", ${$op->pmreplroot}; | |
65 | printf "\top_pmreplstart\t0x%x\n", ${$op->pmreplstart}; | |
66 | printf "\top_pmnext\t0x%x\n", ${$op->pmnext}; | |
67 | printf "\top_pmregexp->precomp\t%s\n", cstring($op->precomp); | |
68 | printf "\top_pmflags\t0x%x\n", $op->pmflags; | |
a798dbf2 MB |
69 | $op->pmreplroot->debug; |
70 | } | |
71 | ||
72 | sub B::COP::debug { | |
73 | my ($op) = @_; | |
74 | $op->B::OP::debug(); | |
6e6a1aef | 75 | my $cop_io = class($op->io) eq 'SPECIAL' ? '' : $op->io->as_string; |
127212b2 | 76 | printf <<'EOT', $op->label, $op->stashpv, $op->file, $op->cop_seq, $op->arybase, $op->line, ${$op->warnings}, cstring($cop_io); |
a798dbf2 | 77 | cop_label %s |
11faa288 | 78 | cop_stashpv %s |
57843af0 | 79 | cop_file %s |
a798dbf2 MB |
80 | cop_seq %d |
81 | cop_arybase %d | |
82 | cop_line %d | |
b295d113 | 83 | cop_warnings 0x%x |
6e6a1aef | 84 | cop_io %s |
a798dbf2 | 85 | EOT |
a798dbf2 MB |
86 | } |
87 | ||
88 | sub B::SVOP::debug { | |
89 | my ($op) = @_; | |
90 | $op->B::OP::debug(); | |
91 | printf "\top_sv\t\t0x%x\n", ${$op->sv}; | |
92 | $op->sv->debug; | |
93 | } | |
94 | ||
95 | sub B::PVOP::debug { | |
96 | my ($op) = @_; | |
97 | $op->B::OP::debug(); | |
3267896c | 98 | printf "\top_pv\t\t%s\n", cstring($op->pv); |
a798dbf2 MB |
99 | } |
100 | ||
7934575e | 101 | sub B::PADOP::debug { |
a798dbf2 MB |
102 | my ($op) = @_; |
103 | $op->B::OP::debug(); | |
7934575e | 104 | printf "\top_padix\t\t%ld\n", $op->padix; |
a798dbf2 MB |
105 | } |
106 | ||
a798dbf2 MB |
107 | sub B::NULL::debug { |
108 | my ($sv) = @_; | |
109 | if ($$sv == ${sv_undef()}) { | |
110 | print "&sv_undef\n"; | |
111 | } else { | |
112 | printf "NULL (0x%x)\n", $$sv; | |
113 | } | |
114 | } | |
115 | ||
116 | sub B::SV::debug { | |
117 | my ($sv) = @_; | |
118 | if (!$$sv) { | |
119 | print class($sv), " = NULL\n"; | |
120 | return; | |
121 | } | |
122 | printf <<'EOT', class($sv), $$sv, $sv->REFCNT, $sv->FLAGS; | |
123 | %s (0x%x) | |
124 | REFCNT %d | |
125 | FLAGS 0x%x | |
126 | EOT | |
127 | } | |
128 | ||
3267896c RH |
129 | sub B::RV::debug { |
130 | my ($rv) = @_; | |
131 | B::SV::debug($rv); | |
132 | printf <<'EOT', ${$rv->RV}; | |
133 | RV 0x%x | |
134 | EOT | |
135 | $rv->RV->debug; | |
136 | } | |
137 | ||
a798dbf2 MB |
138 | sub B::PV::debug { |
139 | my ($sv) = @_; | |
140 | $sv->B::SV::debug(); | |
141 | my $pv = $sv->PV(); | |
142 | printf <<'EOT', cstring($pv), length($pv); | |
143 | xpv_pv %s | |
144 | xpv_cur %d | |
145 | EOT | |
146 | } | |
147 | ||
148 | sub B::IV::debug { | |
149 | my ($sv) = @_; | |
150 | $sv->B::SV::debug(); | |
151 | printf "\txiv_iv\t\t%d\n", $sv->IV; | |
152 | } | |
153 | ||
154 | sub B::NV::debug { | |
155 | my ($sv) = @_; | |
156 | $sv->B::IV::debug(); | |
157 | printf "\txnv_nv\t\t%s\n", $sv->NV; | |
158 | } | |
159 | ||
160 | sub B::PVIV::debug { | |
161 | my ($sv) = @_; | |
162 | $sv->B::PV::debug(); | |
163 | printf "\txiv_iv\t\t%d\n", $sv->IV; | |
164 | } | |
165 | ||
166 | sub B::PVNV::debug { | |
167 | my ($sv) = @_; | |
168 | $sv->B::PVIV::debug(); | |
169 | printf "\txnv_nv\t\t%s\n", $sv->NV; | |
170 | } | |
171 | ||
172 | sub B::PVLV::debug { | |
173 | my ($sv) = @_; | |
174 | $sv->B::PVNV::debug(); | |
175 | printf "\txlv_targoff\t%d\n", $sv->TARGOFF; | |
176 | printf "\txlv_targlen\t%u\n", $sv->TARGLEN; | |
177 | printf "\txlv_type\t%s\n", cstring(chr($sv->TYPE)); | |
178 | } | |
179 | ||
180 | sub B::BM::debug { | |
181 | my ($sv) = @_; | |
182 | $sv->B::PVNV::debug(); | |
183 | printf "\txbm_useful\t%d\n", $sv->USEFUL; | |
184 | printf "\txbm_previous\t%u\n", $sv->PREVIOUS; | |
185 | printf "\txbm_rare\t%s\n", cstring(chr($sv->RARE)); | |
186 | } | |
187 | ||
188 | sub B::CV::debug { | |
189 | my ($sv) = @_; | |
190 | $sv->B::PVNV::debug(); | |
191 | my ($stash) = $sv->STASH; | |
192 | my ($start) = $sv->START; | |
193 | my ($root) = $sv->ROOT; | |
194 | my ($padlist) = $sv->PADLIST; | |
57843af0 | 195 | my ($file) = $sv->FILE; |
a798dbf2 | 196 | my ($gv) = $sv->GV; |
a3985cdc | 197 | printf <<'EOT', $$stash, $$start, $$root, $$gv, $file, $sv->DEPTH, $padlist, ${$sv->OUTSIDE}, $sv->OUTSIDE_SEQ; |
a798dbf2 MB |
198 | STASH 0x%x |
199 | START 0x%x | |
200 | ROOT 0x%x | |
201 | GV 0x%x | |
57843af0 | 202 | FILE %s |
a798dbf2 | 203 | DEPTH %d |
7e107e90 | 204 | PADLIST 0x%x |
a798dbf2 | 205 | OUTSIDE 0x%x |
a3985cdc | 206 | OUTSIDE_SEQ %d |
a798dbf2 MB |
207 | EOT |
208 | $start->debug if $start; | |
209 | $root->debug if $root; | |
210 | $gv->debug if $gv; | |
a798dbf2 MB |
211 | $padlist->debug if $padlist; |
212 | } | |
213 | ||
214 | sub B::AV::debug { | |
215 | my ($av) = @_; | |
216 | $av->B::SV::debug; | |
217 | my(@array) = $av->ARRAY; | |
218 | print "\tARRAY\t\t(", join(", ", map("0x" . $$_, @array)), ")\n"; | |
219 | printf <<'EOT', scalar(@array), $av->MAX, $av->OFF, $av->AvFLAGS; | |
7e107e90 | 220 | FILL %d |
a798dbf2 MB |
221 | MAX %d |
222 | OFF %d | |
223 | AvFLAGS %d | |
224 | EOT | |
225 | } | |
7e107e90 | 226 | |
a798dbf2 MB |
227 | sub B::GV::debug { |
228 | my ($gv) = @_; | |
229 | if ($done_gv{$$gv}++) { | |
002b978b | 230 | printf "GV %s::%s\n", $gv->STASH->NAME, $gv->SAFENAME; |
a798dbf2 MB |
231 | return; |
232 | } | |
233 | my ($sv) = $gv->SV; | |
234 | my ($av) = $gv->AV; | |
235 | my ($cv) = $gv->CV; | |
236 | $gv->B::SV::debug; | |
002b978b | 237 | printf <<'EOT', $gv->SAFENAME, $gv->STASH->NAME, $gv->STASH, $$sv, $gv->GvREFCNT, $gv->FORM, $$av, ${$gv->HV}, ${$gv->EGV}, $$cv, $gv->CVGEN, $gv->LINE, $gv->FILE, $gv->GvFLAGS; |
a798dbf2 MB |
238 | NAME %s |
239 | STASH %s (0x%x) | |
240 | SV 0x%x | |
241 | GvREFCNT %d | |
242 | FORM 0x%x | |
243 | AV 0x%x | |
244 | HV 0x%x | |
245 | EGV 0x%x | |
246 | CV 0x%x | |
247 | CVGEN %d | |
248 | LINE %d | |
b195d487 | 249 | FILE %s |
a798dbf2 MB |
250 | GvFLAGS 0x%x |
251 | EOT | |
252 | $sv->debug if $sv; | |
253 | $av->debug if $av; | |
254 | $cv->debug if $cv; | |
255 | } | |
256 | ||
257 | sub B::SPECIAL::debug { | |
258 | my $sv = shift; | |
259 | print $specialsv_name[$$sv], "\n"; | |
260 | } | |
261 | ||
262 | sub compile { | |
263 | my $order = shift; | |
2b8dc4d2 | 264 | B::clearsym(); |
7ebf56ae | 265 | if ($order && $order eq "exec") { |
a798dbf2 MB |
266 | return sub { walkoptree_exec(main_start, "debug") } |
267 | } else { | |
268 | return sub { walkoptree(main_root, "debug") } | |
269 | } | |
270 | } | |
271 | ||
272 | 1; | |
7f20e9dd GS |
273 | |
274 | __END__ | |
275 | ||
276 | =head1 NAME | |
277 | ||
278 | B::Debug - Walk Perl syntax tree, printing debug info about ops | |
279 | ||
280 | =head1 SYNOPSIS | |
281 | ||
282 | perl -MO=Debug[,OPTIONS] foo.pl | |
283 | ||
284 | =head1 DESCRIPTION | |
285 | ||
286 | See F<ext/B/README>. | |
287 | ||
288 | =head1 AUTHOR | |
289 | ||
290 | Malcolm Beattie, C<mbeattie@sable.ox.ac.uk> | |
291 | ||
292 | =cut |