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d338d6fe |
1 | require 5.002; # For (defined ref) |
2 | package dumpvar; |
3 | |
4 | # Needed for PrettyPrinter only: |
5 | |
6 | # require 5.001; # Well, it coredumps anyway undef DB in 5.000 (not now) |
7 | |
8 | # translate control chars to ^X - Randal Schwartz |
9 | # Modifications to print types by Peter Gordon v1.0 |
10 | |
11 | # Ilya Zakharevich -- patches after 5.001 (and some before ;-) |
12 | |
13 | # Won't dump symbol tables and contents of debugged files by default |
14 | |
15 | $winsize = 80 unless defined $winsize; |
16 | |
17 | |
18 | # Defaults |
19 | |
20 | # $globPrint = 1; |
21 | $printUndef = 1 unless defined $printUndef; |
54d04a52 |
22 | $tick = "auto" unless defined $tick; |
d338d6fe |
23 | $unctrl = 'quote' unless defined $unctrl; |
54d04a52 |
24 | $subdump = 1; |
22fae026 |
25 | $dumpReused = 0 unless defined $dumpReused; |
d338d6fe |
26 | |
27 | sub main::dumpValue { |
28 | local %address; |
b2391ea8 |
29 | local $^W=0; |
d338d6fe |
30 | (print "undef\n"), return unless defined $_[0]; |
31 | (print &stringify($_[0]), "\n"), return unless ref $_[0]; |
32 | dumpvar::unwrap($_[0],0); |
33 | } |
34 | |
35 | # This one is good for variable names: |
36 | |
37 | sub unctrl { |
38 | local($_) = @_; |
39 | local($v) ; |
40 | |
41 | return \$_ if ref \$_ eq "GLOB"; |
42 | s/([\001-\037\177])/'^'.pack('c',ord($1)^64)/eg; |
43 | $_; |
44 | } |
45 | |
46 | sub stringify { |
47 | local($_,$noticks) = @_; |
48 | local($v) ; |
54d04a52 |
49 | my $tick = $tick; |
d338d6fe |
50 | |
51 | return 'undef' unless defined $_ or not $printUndef; |
52 | return $_ . "" if ref \$_ eq 'GLOB'; |
54d04a52 |
53 | if ($tick eq 'auto') { |
54 | if (/[\000-\011\013-\037\177]/) { |
55 | $tick = '"'; |
56 | }else { |
57 | $tick = "'"; |
58 | } |
59 | } |
d338d6fe |
60 | if ($tick eq "'") { |
61 | s/([\'\\])/\\$1/g; |
62 | } elsif ($unctrl eq 'unctrl') { |
63 | s/([\"\\])/\\$1/g ; |
64 | s/([\000-\037\177])/'^'.pack('c',ord($1)^64)/eg; |
65 | s/([\200-\377])/'\\0x'.sprintf('%2X',ord($1))/eg |
66 | if $quoteHighBit; |
67 | } elsif ($unctrl eq 'quote') { |
68 | s/([\"\\\$\@])/\\$1/g if $tick eq '"'; |
69 | s/\033/\\e/g; |
70 | s/([\000-\037\177])/'\\c'.chr(ord($1)^64)/eg; |
71 | } |
72 | s/([\200-\377])/'\\'.sprintf('%3o',ord($1))/eg if $quoteHighBit; |
73 | ($noticks || /^\d+(\.\d*)?\Z/) |
74 | ? $_ |
75 | : $tick . $_ . $tick; |
76 | } |
77 | |
78 | sub ShortArray { |
79 | my $tArrayDepth = $#{$_[0]} ; |
80 | $tArrayDepth = $#{$_[0]} < $arrayDepth-1 ? $#{$_[0]} : $arrayDepth-1 |
81 | unless $arrayDepth eq '' ; |
82 | my $shortmore = ""; |
83 | $shortmore = " ..." if $tArrayDepth < $#{$_[0]} ; |
84 | if (!grep(ref $_, @{$_[0]})) { |
85 | $short = "0..$#{$_[0]} '" . |
86 | join("' '", @{$_[0]}[0..$tArrayDepth]) . "'$shortmore"; |
87 | return $short if length $short <= $compactDump; |
88 | } |
89 | undef; |
90 | } |
91 | |
92 | sub DumpElem { |
93 | my $short = &stringify($_[0], ref $_[0]); |
94 | if ($veryCompact && ref $_[0] |
95 | && (ref $_[0] eq 'ARRAY' and !grep(ref $_, @{$_[0]}) )) { |
96 | my $end = "0..$#{$v} '" . |
97 | join("' '", @{$_[0]}[0..$tArrayDepth]) . "'$shortmore"; |
98 | } elsif ($veryCompact && ref $_[0] |
99 | && (ref $_[0] eq 'HASH') and !grep(ref $_, values %{$_[0]})) { |
100 | my $end = 1; |
101 | $short = $sp . "0..$#{$v} '" . |
102 | join("' '", @{$v}[0..$tArrayDepth]) . "'$shortmore"; |
103 | } else { |
104 | print "$short\n"; |
105 | unwrap($_[0],$_[1]); |
106 | } |
107 | } |
108 | |
109 | sub unwrap { |
110 | return if $DB::signal; |
111 | local($v) = shift ; |
112 | local($s) = shift ; # extra no of spaces |
113 | local(%v,@v,$sp,$value,$key,$type,@sortKeys,$more,$shortmore,$short) ; |
114 | local($tHashDepth,$tArrayDepth) ; |
115 | |
116 | $sp = " " x $s ; |
117 | $s += 3 ; |
118 | |
119 | # Check for reused addresses |
120 | if (ref $v) { |
74b5f52c |
121 | ($address) = $v =~ /(0x[0-9a-f]+)\)$/ ; |
22fae026 |
122 | if (!$dumpReused && defined $address) { |
74b5f52c |
123 | ($type) = $v =~ /=(.*?)\([^=]+$/ ; |
d338d6fe |
124 | $address{$address}++ ; |
125 | if ( $address{$address} > 1 ) { |
126 | print "${sp}-> REUSED_ADDRESS\n" ; |
127 | return ; |
128 | } |
129 | } |
130 | } elsif (ref \$v eq 'GLOB') { |
131 | $address = "$v" . ""; # To avoid a bug with globs |
132 | $address{$address}++ ; |
133 | if ( $address{$address} > 1 ) { |
134 | print "${sp}*DUMPED_GLOB*\n" ; |
135 | return ; |
136 | } |
137 | } |
138 | |
74b5f52c |
139 | if ( UNIVERSAL::isa($v, 'HASH') ) { |
d338d6fe |
140 | @sortKeys = sort keys(%$v) ; |
141 | undef $more ; |
142 | $tHashDepth = $#sortKeys ; |
143 | $tHashDepth = $#sortKeys < $hashDepth-1 ? $#sortKeys : $hashDepth-1 |
144 | unless $hashDepth eq '' ; |
145 | $more = "....\n" if $tHashDepth < $#sortKeys ; |
146 | $shortmore = ""; |
147 | $shortmore = ", ..." if $tHashDepth < $#sortKeys ; |
148 | $#sortKeys = $tHashDepth ; |
149 | if ($compactDump && !grep(ref $_, values %{$v})) { |
150 | #$short = $sp . |
151 | # (join ', ', |
152 | # Next row core dumps during require from DB on 5.000, even with map {"_"} |
153 | # map {&stringify($_) . " => " . &stringify($v->{$_})} |
154 | # @sortKeys) . "'$shortmore"; |
155 | $short = $sp; |
156 | my @keys; |
157 | for (@sortKeys) { |
158 | push @keys, &stringify($_) . " => " . &stringify($v->{$_}); |
159 | } |
160 | $short .= join ', ', @keys; |
161 | $short .= $shortmore; |
162 | (print "$short\n"), return if length $short <= $compactDump; |
163 | } |
164 | for $key (@sortKeys) { |
165 | return if $DB::signal; |
166 | $value = $ {$v}{$key} ; |
167 | print "$sp", &stringify($key), " => "; |
168 | DumpElem $value, $s; |
169 | } |
170 | print "$sp empty hash\n" unless @sortKeys; |
171 | print "$sp$more" if defined $more ; |
74b5f52c |
172 | } elsif ( UNIVERSAL::isa($v, 'ARRAY') ) { |
d338d6fe |
173 | $tArrayDepth = $#{$v} ; |
174 | undef $more ; |
175 | $tArrayDepth = $#{$v} < $arrayDepth-1 ? $#{$v} : $arrayDepth-1 |
176 | unless $arrayDepth eq '' ; |
177 | $more = "....\n" if $tArrayDepth < $#{$v} ; |
178 | $shortmore = ""; |
179 | $shortmore = " ..." if $tArrayDepth < $#{$v} ; |
180 | if ($compactDump && !grep(ref $_, @{$v})) { |
181 | if ($#$v >= 0) { |
54d04a52 |
182 | $short = $sp . "0..$#{$v} " . |
183 | join(" ", |
184 | map {stringify $_} @{$v}[0..$tArrayDepth]) |
185 | . "$shortmore"; |
d338d6fe |
186 | } else { |
187 | $short = $sp . "empty array"; |
188 | } |
189 | (print "$short\n"), return if length $short <= $compactDump; |
190 | } |
191 | #if ($compactDump && $short = ShortArray($v)) { |
192 | # print "$short\n"; |
193 | # return; |
194 | #} |
195 | for $num ($[ .. $tArrayDepth) { |
196 | return if $DB::signal; |
197 | print "$sp$num "; |
198 | DumpElem $v->[$num], $s; |
199 | } |
200 | print "$sp empty array\n" unless @$v; |
201 | print "$sp$more" if defined $more ; |
74b5f52c |
202 | } elsif ( UNIVERSAL::isa($v, 'SCALAR') or ref $v eq 'REF' ) { |
d338d6fe |
203 | print "$sp-> "; |
204 | DumpElem $$v, $s; |
74b5f52c |
205 | } elsif ( UNIVERSAL::isa($v, 'CODE') ) { |
54d04a52 |
206 | print "$sp-> "; |
207 | dumpsub (0, $v); |
74b5f52c |
208 | } elsif ( UNIVERSAL::isa($v, 'GLOB') ) { |
d338d6fe |
209 | print "$sp-> ",&stringify($$v,1),"\n"; |
210 | if ($globPrint) { |
211 | $s += 3; |
212 | dumpglob($s, "{$$v}", $$v, 1); |
213 | } elsif (defined ($fileno = fileno($v))) { |
214 | print( (' ' x ($s+3)) . "FileHandle({$$v}) => fileno($fileno)\n" ); |
215 | } |
216 | } elsif (ref \$v eq 'GLOB') { |
217 | if ($globPrint) { |
218 | dumpglob($s, "{$v}", $v, 1) if $globPrint; |
219 | } elsif (defined ($fileno = fileno(\$v))) { |
220 | print( (' ' x $s) . "FileHandle({$v}) => fileno($fileno)\n" ); |
221 | } |
222 | } |
223 | } |
224 | |
225 | sub matchvar { |
226 | $_[0] eq $_[1] or |
b2391ea8 |
227 | ($_[1] =~ /^([!~])(.)([\x00-\xff]*)/) and |
228 | ($1 eq '!') ^ (eval {($_[2] . "::" . $_[0]) =~ /$2$3/}); |
d338d6fe |
229 | } |
230 | |
231 | sub compactDump { |
232 | $compactDump = shift if @_; |
233 | $compactDump = 6*80-1 if $compactDump and $compactDump < 2; |
234 | $compactDump; |
235 | } |
236 | |
237 | sub veryCompact { |
238 | $veryCompact = shift if @_; |
239 | compactDump(1) if !$compactDump and $veryCompact; |
240 | $veryCompact; |
241 | } |
242 | |
243 | sub unctrlSet { |
244 | if (@_) { |
245 | my $in = shift; |
246 | if ($in eq 'unctrl' or $in eq 'quote') { |
247 | $unctrl = $in; |
248 | } else { |
249 | print "Unknown value for `unctrl'.\n"; |
250 | } |
251 | } |
252 | $unctrl; |
253 | } |
254 | |
255 | sub quote { |
256 | if (@_ and $_[0] eq '"') { |
257 | $tick = '"'; |
258 | $unctrl = 'quote'; |
54d04a52 |
259 | } elsif (@_ and $_[0] eq 'auto') { |
260 | $tick = 'auto'; |
261 | $unctrl = 'quote'; |
d338d6fe |
262 | } elsif (@_) { # Need to set |
263 | $tick = "'"; |
264 | $unctrl = 'unctrl'; |
265 | } |
266 | $tick; |
267 | } |
268 | |
269 | sub dumpglob { |
270 | return if $DB::signal; |
271 | my ($off,$key, $val, $all) = @_; |
272 | local(*entry) = $val; |
273 | my $fileno; |
54d04a52 |
274 | if (($key !~ /^_</ or $dumpDBFiles) and defined $entry) { |
d338d6fe |
275 | print( (' ' x $off) . "\$", &unctrl($key), " = " ); |
276 | DumpElem $entry, 3+$off; |
277 | } |
278 | if (($key !~ /^_</ or $dumpDBFiles) and defined @entry) { |
279 | print( (' ' x $off) . "\@$key = (\n" ); |
280 | unwrap(\@entry,3+$off) ; |
281 | print( (' ' x $off) . ")\n" ); |
282 | } |
283 | if ($key ne "main::" && $key ne "DB::" && defined %entry |
284 | && ($dumpPackages or $key !~ /::$/) |
54d04a52 |
285 | && ($key !~ /^_</ or $dumpDBFiles) |
d338d6fe |
286 | && !($package eq "dumpvar" and $key eq "stab")) { |
287 | print( (' ' x $off) . "\%$key = (\n" ); |
288 | unwrap(\%entry,3+$off) ; |
289 | print( (' ' x $off) . ")\n" ); |
290 | } |
291 | if (defined ($fileno = fileno(*entry))) { |
292 | print( (' ' x $off) . "FileHandle($key) => fileno($fileno)\n" ); |
293 | } |
294 | if ($all) { |
295 | if (defined &entry) { |
54d04a52 |
296 | dumpsub($off, $key); |
d338d6fe |
297 | } |
298 | } |
299 | } |
300 | |
54d04a52 |
301 | sub dumpsub { |
302 | my ($off,$sub) = @_; |
303 | $sub = $1 if $sub =~ /^\{\*(.*)\}$/; |
304 | my $subref = \&$sub; |
305 | my $place = $DB::sub{$sub} || (($sub = $subs{"$subref"}) && $DB::sub{$sub}) |
306 | || ($subdump && ($sub = findsubs("$subref")) && $DB::sub{$sub}); |
307 | $place = '???' unless defined $place; |
308 | print( (' ' x $off) . "&$sub in $place\n" ); |
309 | } |
310 | |
311 | sub findsubs { |
312 | return undef unless defined %DB::sub; |
313 | my ($addr, $name, $loc); |
314 | while (($name, $loc) = each %DB::sub) { |
315 | $addr = \&$name; |
316 | $subs{"$addr"} = $name; |
317 | } |
318 | $subdump = 0; |
319 | $subs{ shift() }; |
320 | } |
321 | |
d338d6fe |
322 | sub main::dumpvar { |
323 | my ($package,@vars) = @_; |
b2391ea8 |
324 | local(%address,$key,$val,$^W); |
d338d6fe |
325 | $package .= "::" unless $package =~ /::$/; |
326 | *stab = *{"main::"}; |
327 | while ($package =~ /(\w+?::)/g){ |
328 | *stab = $ {stab}{$1}; |
329 | } |
330 | local $TotalStrings = 0; |
331 | local $Strings = 0; |
332 | local $CompleteTotal = 0; |
333 | while (($key,$val) = each(%stab)) { |
334 | return if $DB::signal; |
335 | next if @vars && !grep( matchvar($key, $_), @vars ); |
336 | if ($usageOnly) { |
337 | globUsage(\$val, $key) unless $package eq 'dumpvar' and $key eq 'stab'; |
338 | } else { |
339 | dumpglob(0,$key, $val); |
340 | } |
341 | } |
342 | if ($usageOnly) { |
343 | print "String space: $TotalStrings bytes in $Strings strings.\n"; |
344 | $CompleteTotal += $TotalStrings; |
345 | print "Grand total = $CompleteTotal bytes (1 level deep) + overhead.\n"; |
346 | } |
347 | } |
348 | |
349 | sub scalarUsage { |
350 | my $size = length($_[0]); |
351 | $TotalStrings += $size; |
352 | $Strings++; |
353 | $size; |
354 | } |
355 | |
356 | sub arrayUsage { # array ref, name |
357 | my $size = 0; |
358 | map {$size += scalarUsage($_)} @{$_[0]}; |
359 | my $len = @{$_[0]}; |
360 | print "\@$_[1] = $len item", ($len > 1 ? "s" : ""), |
361 | " (data: $size bytes)\n" |
362 | if defined $_[1]; |
363 | $CompleteTotal += $size; |
364 | $size; |
365 | } |
366 | |
367 | sub hashUsage { # hash ref, name |
368 | my @keys = keys %{$_[0]}; |
369 | my @values = values %{$_[0]}; |
370 | my $keys = arrayUsage \@keys; |
371 | my $values = arrayUsage \@values; |
372 | my $len = @keys; |
373 | my $total = $keys + $values; |
374 | print "\%$_[1] = $len item", ($len > 1 ? "s" : ""), |
375 | " (keys: $keys; values: $values; total: $total bytes)\n" |
376 | if defined $_[1]; |
377 | $total; |
378 | } |
379 | |
380 | sub globUsage { # glob ref, name |
381 | local *name = *{$_[0]}; |
382 | $total = 0; |
383 | $total += scalarUsage $name if defined $name; |
384 | $total += arrayUsage \@name, $_[1] if defined @name; |
385 | $total += hashUsage \%name, $_[1] if defined %name and $_[1] ne "main::" |
386 | and $_[1] ne "DB::"; #and !($package eq "dumpvar" and $key eq "stab")); |
387 | $total; |
388 | } |
389 | |
390 | sub packageUsage { |
391 | my ($package,@vars) = @_; |
392 | $package .= "::" unless $package =~ /::$/; |
393 | local *stab = *{"main::"}; |
394 | while ($package =~ /(\w+?::)/g){ |
395 | *stab = $ {stab}{$1}; |
396 | } |
397 | local $TotalStrings = 0; |
398 | local $CompleteTotal = 0; |
399 | my ($key,$val); |
400 | while (($key,$val) = each(%stab)) { |
401 | next if @vars && !grep($key eq $_,@vars); |
402 | globUsage \$val, $key unless $package eq 'dumpvar' and $key eq 'stab'; |
403 | } |
404 | print "String space: $TotalStrings.\n"; |
405 | $CompleteTotal += $TotalStrings; |
406 | print "\nGrand total = $CompleteTotal bytes\n"; |
407 | } |
408 | |
409 | 1; |
410 | |