Commit | Line | Data |
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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 $_ . "" if ref \$_ eq 'GLOB'; | |
54d04a52 IZ |
53 | if ($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 IZ |
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 $$v, $s; | |
74b5f52c | 205 | } elsif ( UNIVERSAL::isa($v, 'CODE') ) { |
54d04a52 IZ |
206 | print "$sp-> "; |
207 | dumpsub (0, $v); | |
74b5f52c | 208 | } elsif ( UNIVERSAL::isa($v, 'GLOB') ) { |
d338d6fe | 209 | print "$sp-> ",&stringify($$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 IZ |
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, $key); |
d338d6fe | 297 | } |
298 | } | |
299 | } | |
300 | ||
54d04a52 IZ |
301 | sub dumpsub { |
302 | my ($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 |