| 1 |
package Frey::Web; |
| 2 |
use Moose::Role; |
| 3 |
|
| 4 |
with 'Frey::Session'; |
| 5 |
|
| 6 |
use Frey::Types; |
| 7 |
|
| 8 |
#use Continuity::Widget::DomNode; |
| 9 |
use Data::Dump qw/dump/; |
| 10 |
use Carp qw/confess cluck/; |
| 11 |
use File::Slurp; |
| 12 |
|
| 13 |
use Frey::Bookmarklet; |
| 14 |
use Frey::ClassBrowser; |
| 15 |
use Frey::INC; |
| 16 |
|
| 17 |
use Frey::SVK; |
| 18 |
|
| 19 |
use Text::Tabs; # expand, unexpand |
| 20 |
|
| 21 |
our @head; |
| 22 |
sub head { @head } |
| 23 |
|
| 24 |
has 'request_url' => ( |
| 25 |
is => 'rw', |
| 26 |
isa => 'Uri', coerce => 1, |
| 27 |
required => 1, |
| 28 |
# default => '/', |
| 29 |
); |
| 30 |
|
| 31 |
has 'title' => ( |
| 32 |
is => 'rw', |
| 33 |
isa => 'Str', |
| 34 |
lazy => 1, |
| 35 |
default => sub { |
| 36 |
my ($self) = @_; |
| 37 |
ref($self); |
| 38 |
}, |
| 39 |
); |
| 40 |
|
| 41 |
has 'content_type' => ( |
| 42 |
is => 'rw', |
| 43 |
isa => 'Str', |
| 44 |
default => 'text/html', |
| 45 |
documentation => 'Content-type header', |
| 46 |
); |
| 47 |
|
| 48 |
has 'dump_max_bytes' => ( |
| 49 |
is => 'rw', |
| 50 |
isa => 'Int', |
| 51 |
default => 4096, |
| 52 |
documentation => 'maximum dump size sent to browser before truncation', |
| 53 |
); |
| 54 |
|
| 55 |
has 'inline_smaller_than' => ( |
| 56 |
is => 'rw', |
| 57 |
isa => 'Int', |
| 58 |
default => 10240, |
| 59 |
documentation => 'inline JavaScript and CSS to reduce round-trips', |
| 60 |
); |
| 61 |
|
| 62 |
has 'html_dump_width' => ( |
| 63 |
documentation => 'crop longer lines in dumps', |
| 64 |
is => 'rw', |
| 65 |
isa => 'Int', |
| 66 |
# required => 1, # FIXME we can't have required fields with defaults because Frey::Action isn't smart enough and asks for them |
| 67 |
default => 120, |
| 68 |
); |
| 69 |
|
| 70 |
my %escape = ('<'=>'<', '>'=>'>', '&'=>'&', '"'=>'"'); |
| 71 |
my $escape_re = join '|' => keys %escape; |
| 72 |
|
| 73 |
sub html_escape { |
| 74 |
my ( $self, $html ) = @_; |
| 75 |
$html =~ s/($escape_re)/$escape{$1}/g; |
| 76 |
return $html; |
| 77 |
} |
| 78 |
|
| 79 |
sub html_dump { |
| 80 |
my ( $self, $dump ) = @_; |
| 81 |
$dump = dump( $dump ) if ref($dump); |
| 82 |
my $width = $self->html_dump_width; |
| 83 |
$dump =~ s{(\n[^\n]{$width})([^\n]+?)([^\n]{5})}{\n$1...$3}gs; |
| 84 |
$dump = $self->html_escape( $dump ); |
| 85 |
$dump =~ s{\Q...\E}{…}gs; |
| 86 |
# $dump =~ $self->editor_links( $dump ); # FIXME include this |
| 87 |
return "<code>$dump</code>"; |
| 88 |
} |
| 89 |
|
| 90 |
sub popup { my $self = shift; $self->popup_dropdown('popup', @_); } |
| 91 |
sub dropdown { my $self = shift; $self->popup_dropdown('dropdown', @_); } |
| 92 |
|
| 93 |
our $re_html = qr{<(?:!--.+?--|(\w+).+?/\1|[^>]+/)>}s; # relaxed html check for one semi-valid tag |
| 94 |
|
| 95 |
sub popup_dropdown { |
| 96 |
my ( $self, $type, $name, $content, $full ) = @_; |
| 97 |
|
| 98 |
$content = $self->html_dump($content) if ref $content; |
| 99 |
|
| 100 |
$content = qq|<span>$content</span>| unless $content =~ m{^\s*<(span|a|code).+?/\1>\s*}; |
| 101 |
|
| 102 |
$content =~ s{<span>(<code>[^<]+</code>)</span>}{$1} && $self->TODO("code wrapped in span"); |
| 103 |
|
| 104 |
warn "## $type [$name] = ", length( $content ), " bytes"; # if $self->debug; # FIXME |
| 105 |
|
| 106 |
if ( $name =~ m{::} && $name !~ $re_html ) { |
| 107 |
return qq|<a class="frey-$type" target="$name" href="/$name">$name $content</a>\n|; |
| 108 |
} elsif ( $name =~ s{^\s*(<a)\s+}{$1 class="frey-$type"} ) { |
| 109 |
return qq|$name $content\n|; |
| 110 |
} else { |
| 111 |
return qq|<span class="frey-$type">$name $content</span>\n|; |
| 112 |
} |
| 113 |
} |
| 114 |
|
| 115 |
sub _inline_path { |
| 116 |
my ( $self, $path ) = @_; |
| 117 |
-s $path < $self->inline_smaller_than; |
| 118 |
} |
| 119 |
|
| 120 |
sub _head_html { |
| 121 |
my $self = shift; |
| 122 |
my $out = ''; |
| 123 |
foreach my $path ( @head ) { |
| 124 |
$path =~ s!^/!!; |
| 125 |
if ( $path =~ m/\.js$/ ) { |
| 126 |
$out .= $self->_inline_path( $path ) ? |
| 127 |
qq|<script type="text/javascript">\n/* inline $path */\n\n| . read_file($path) . qq|\n</script>| : |
| 128 |
qq|<script type="text/javascript" src="/$path"></script>|; |
| 129 |
} elsif ( $path =~ m/\.css$/ ) { |
| 130 |
$out .= $self->_inline_path( $path ) ? |
| 131 |
qq|<style type="text/css">\n/* inline $path */\n\n| . read_file( $path ) . qq|\n</style>| : |
| 132 |
qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|; |
| 133 |
} elsif ( $path =~ m{<.+>}s ) { |
| 134 |
$out .= $path; |
| 135 |
} else { |
| 136 |
confess "don't know how to render $path"; |
| 137 |
} |
| 138 |
$out .= "\n"; |
| 139 |
} |
| 140 |
return $out; |
| 141 |
} |
| 142 |
|
| 143 |
=head2 add_head |
| 144 |
|
| 145 |
$o->add_head( 'path/to/external.js' ); |
| 146 |
|
| 147 |
my $size = $o->add_head( 'path/to/external.css' ); |
| 148 |
|
| 149 |
$o->add_head( '<!-- html content -->' ); |
| 150 |
|
| 151 |
=cut |
| 152 |
|
| 153 |
sub add_head { |
| 154 |
my ( $self, $path ) = @_; |
| 155 |
return if ! defined $path || $path eq ''; |
| 156 |
$path =~ s!^/!!; |
| 157 |
|
| 158 |
if ( $path =~ $re_html ) { |
| 159 |
push @head, $path; |
| 160 |
} elsif ( -e $path ) { |
| 161 |
if ( $path =~ m/\.(?:js|css)$/ ) { |
| 162 |
push @head, $path; |
| 163 |
} else { |
| 164 |
confess "can't add_head( $path ) it's not js or css"; |
| 165 |
} |
| 166 |
return -s $path; |
| 167 |
} else { |
| 168 |
confess "can't find $path: $!"; |
| 169 |
} |
| 170 |
|
| 171 |
} |
| 172 |
|
| 173 |
sub add_css { |
| 174 |
my ($self,$css) = @_; |
| 175 |
my ( $package, $path, $line ) = caller; |
| 176 |
$self->add_head( qq| |
| 177 |
<style type="text/css"> |
| 178 |
/* via $package at $path line $line */ |
| 179 |
$css |
| 180 |
</style> |
| 181 |
| ); |
| 182 |
} |
| 183 |
|
| 184 |
our $reload_counter = 0; |
| 185 |
|
| 186 |
|
| 187 |
=head2 page |
| 188 |
|
| 189 |
$self->page( |
| 190 |
title => 'page title', |
| 191 |
head => '<!-- optional head markup -->', |
| 192 |
body => '<b>Page Body</b>', |
| 193 |
); |
| 194 |
|
| 195 |
=cut |
| 196 |
|
| 197 |
our @status; |
| 198 |
sub status { @status }; |
| 199 |
|
| 200 |
our $icon_html; |
| 201 |
|
| 202 |
sub page { |
| 203 |
my $self = shift; |
| 204 |
my $a = {@_}; |
| 205 |
|
| 206 |
warn "## page ",dump($a); |
| 207 |
|
| 208 |
$reload_counter++; |
| 209 |
|
| 210 |
my $status_line = ''; |
| 211 |
|
| 212 |
foreach my $part ( @status ) { |
| 213 |
foreach my $name ( keys %$part ) { |
| 214 |
$status_line .= $self->popup( $name, $part->{$name} ); |
| 215 |
} |
| 216 |
} |
| 217 |
|
| 218 |
my $url = $self->request_url; |
| 219 |
$url =~ s{\?reload=\d+}{}; |
| 220 |
|
| 221 |
my $body = $a->{body}; |
| 222 |
if ( ! $body ) { |
| 223 |
my $run = $a->{run} || 'as_markup'; |
| 224 |
warn "# no body, invoke $self->$run on ", ref($self); |
| 225 |
$body = $self->$run; |
| 226 |
} |
| 227 |
if ( $self->content_type !~ m{html} ) { |
| 228 |
warn "# return only $self body ", $self->content_type; |
| 229 |
return $body |
| 230 |
} elsif ( ! defined $body ) { |
| 231 |
warn "# no body"; |
| 232 |
$body = '<!-- no body -->'; |
| 233 |
} |
| 234 |
|
| 235 |
$status_line .= $self->warnings_html; |
| 236 |
|
| 237 |
my ($exit,$description) = ('exit','stop server'); |
| 238 |
($exit,$description) = ('restart','restart server') |
| 239 |
if $ENV{FREY_RESTART}; # tune labels on exit link |
| 240 |
|
| 241 |
my $right = |
| 242 |
qq| |
| 243 |
<span class="right"> |
| 244 |
<a title="reload $url" href="/reload$url">reload</a> |
| 245 |
<a title="$description" href="/exit$url">$exit</a> |
| 246 |
</span> |
| 247 |
|; |
| 248 |
|
| 249 |
my $svk = Frey::SVK->new; |
| 250 |
my $info = $svk->info; |
| 251 |
my $revision = $svk->info->{Revision} || ''; |
| 252 |
$revision = $1 if $info->{'Mirrored From'} =~ m{Rev\.\s+(\d+)}; |
| 253 |
|
| 254 |
$self->add_icon unless $icon_html; |
| 255 |
|
| 256 |
my $html = join("\n", |
| 257 |
qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|, |
| 258 |
$self->_head_html, |
| 259 |
'<title>' . ( $self->title || $a->{title} || ref($self) ) . '</title>', |
| 260 |
'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">', |
| 261 |
( $icon_html || '<!-- no icon -->' ), |
| 262 |
( $a->{head} || '' ), |
| 263 |
qq| |
| 264 |
</head><body> |
| 265 |
$body |
| 266 |
<div class="frey-status-line"> |
| 267 |
<a href="/">Frey</a> $Frey::VERSION $revision |
| 268 |
$status_line |
| 269 |
$right |
| 270 |
</div> |
| 271 |
</body></html> |
| 272 |
|, |
| 273 |
); |
| 274 |
|
| 275 |
warn "## >>> page ",length($html), " bytes\n" if $self->debug; |
| 276 |
|
| 277 |
return $html; |
| 278 |
} |
| 279 |
|
| 280 |
=head2 editor |
| 281 |
|
| 282 |
Create HTML editor link with optional line and title |
| 283 |
|
| 284 |
my $html = $self->editor( $class, $line, $title ); |
| 285 |
|
| 286 |
=cut |
| 287 |
|
| 288 |
sub editor { |
| 289 |
my ( $self, $class, $line, $title ) = @_; |
| 290 |
confess "need class" unless $class; |
| 291 |
if ( ! defined $title ) { |
| 292 |
$title = "edit $class"; |
| 293 |
$title .= " line $line" if $line; |
| 294 |
} |
| 295 |
$line ||= 1; |
| 296 |
qq|<a target="editor" href="/editor+$class+$line"| . |
| 297 |
( $title ? qq| title="$title"| : '' ) . |
| 298 |
qq|>$class</a>|; |
| 299 |
} |
| 300 |
|
| 301 |
=head2 editor_links |
| 302 |
|
| 303 |
Create HTML links to editor for perl error message |
| 304 |
|
| 305 |
my $html = $self->editor_links( $error ) |
| 306 |
|
| 307 |
=cut |
| 308 |
|
| 309 |
sub editor_links { |
| 310 |
my ( $self, $error ) = @_; |
| 311 |
|
| 312 |
# $error =~ s[(bless\({\s+.+?\s+},\s+)("[^"]+")(\) at)][<span class="frey-dropdown">$1<code>$2</code>$3</span>]gs; # FIXME insert bless hiding back |
| 313 |
|
| 314 |
$error =~ s{at\s+(\S+)\s+line\s+(\d+)} |
| 315 |
{at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm; |
| 316 |
|
| 317 |
$error =~ s{(via (?:package) "?)([\w:]+)("?)} |
| 318 |
{$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm; |
| 319 |
|
| 320 |
return $error; |
| 321 |
} |
| 322 |
|
| 323 |
sub error { |
| 324 |
my $self = shift; |
| 325 |
my $error = join(" ", @_); |
| 326 |
|
| 327 |
my @backtrace = $self->backtrace; |
| 328 |
$error .= "\n\t" . join( "\n\t", @backtrace ) if @backtrace; |
| 329 |
|
| 330 |
warn "ERROR: $error\n"; |
| 331 |
return |
| 332 |
qq|<pre class="frey-error">| |
| 333 |
. $self->editor_links( $error ) . |
| 334 |
qq|</pre>| |
| 335 |
; |
| 336 |
} |
| 337 |
|
| 338 |
=head1 Status line |
| 339 |
|
| 340 |
=head2 add_status |
| 341 |
|
| 342 |
$self->add_status( { name => { some => 'data' } } ); |
| 343 |
|
| 344 |
$self->add_status( "append to last status popup" ); |
| 345 |
|
| 346 |
=cut |
| 347 |
|
| 348 |
sub add_status { |
| 349 |
my ( $self, $data ) = @_; |
| 350 |
push @status, { 'X' => [ $self->backtrace ] }; |
| 351 |
if ( ref($data) ) { |
| 352 |
push @status, $data; |
| 353 |
} else { |
| 354 |
if ( defined $status[ $#status ] ) { |
| 355 |
$status[ $#status ]->{ '+' } = $data; |
| 356 |
} else { |
| 357 |
push @status, { '+' => $data }; |
| 358 |
} |
| 359 |
} |
| 360 |
} |
| 361 |
|
| 362 |
=head2 clean_status |
| 363 |
|
| 364 |
Called at beginning of each request |
| 365 |
|
| 366 |
$self->clean_status; |
| 367 |
|
| 368 |
=cut |
| 369 |
|
| 370 |
sub clean_status { |
| 371 |
my ($self) = shift; |
| 372 |
@head = ( 'static/frey.css' ); |
| 373 |
my $params = { request_url => $self->request_url }; |
| 374 |
@status = ( |
| 375 |
{ 'ClassBrowser' => Frey::ClassBrowser->new( %$params, usage_on_top => 0 )->as_markup }, |
| 376 |
{ 'Bookmarklets' => Frey::Bookmarklet->new( %$params )->as_markup }, |
| 377 |
{ 'INC' => Frey::INC->new( %$params )->as_markup }, |
| 378 |
); |
| 379 |
$icon_html = ''; |
| 380 |
} |
| 381 |
|
| 382 |
=head2 status_parts |
| 383 |
|
| 384 |
Dump all status line parts |
| 385 |
|
| 386 |
$self->status_parts |
| 387 |
|
| 388 |
=cut |
| 389 |
|
| 390 |
sub status_parts { |
| 391 |
warn "## status parts ", dump( map { keys %$_ } @status ); |
| 392 |
} |
| 393 |
|
| 394 |
=for debug |
| 395 |
|
| 396 |
sub DEMOLISH { |
| 397 |
my ( $self ) = @_; |
| 398 |
warn "## $self DEMOLISH status ", $#status + 1, " elements ", dump( map { keys %$_ } @status ) if @status; |
| 399 |
} |
| 400 |
|
| 401 |
=cut |
| 402 |
|
| 403 |
=head2 add_icon |
| 404 |
|
| 405 |
Frey::Foo->add_icon; # /static/icons/Frey/Foo.png |
| 406 |
Frey::Foo->add_icon('warning'); # /static/icons/Frey/Foo/warning.png |
| 407 |
|
| 408 |
=cut |
| 409 |
|
| 410 |
sub icon_path { |
| 411 |
my ($self,$class,$variant) = @_; |
| 412 |
my $icon = $class; |
| 413 |
$icon =~ s{::}{/}g; |
| 414 |
$icon .= "/$variant" if $variant; |
| 415 |
my $path = 'static/icons/' . $icon . '.png'; |
| 416 |
if ( -e $path ) { |
| 417 |
warn "# $class from $self icon_path $path" if $self->debug; |
| 418 |
return $path; |
| 419 |
} else { |
| 420 |
$self->TODO( "add $path icon for $class" ); |
| 421 |
return undef; |
| 422 |
} |
| 423 |
} |
| 424 |
|
| 425 |
sub add_icon { |
| 426 |
my ($self,$variant) = @_; |
| 427 |
|
| 428 |
my $class = ref($self); |
| 429 |
$class = $self->class if $self->can('class'); |
| 430 |
my $icon_path = $self->icon_path( $class, $variant ) || return; |
| 431 |
|
| 432 |
$icon_html .= qq|<link rel="icon" type="image/png" href="/$icon_path">|; |
| 433 |
warn "# using icon $icon_path"; |
| 434 |
|
| 435 |
=for later |
| 436 |
|
| 437 |
# FIXME http://en.wikipedia.org/wiki/Favicon suggest just rel="icon" but that doesn't seem to work! |
| 438 |
my $ico_path = $icon_path; |
| 439 |
$ico_path =~ s{png$}{ico}; |
| 440 |
if ( ! -e $ico_path ) { |
| 441 |
system "convert $icon_path $ico_path"; |
| 442 |
warn "# convert $icon_path $ico_path : $@"; |
| 443 |
} |
| 444 |
$icon_html .= qq|<link rel="shortcut icon" type="image/x-icon" href="/$ico_path">| if -e $ico_path; |
| 445 |
|
| 446 |
=cut |
| 447 |
|
| 448 |
} |
| 449 |
|
| 450 |
my $warn_colors = { |
| 451 |
'#' => '#444', |
| 452 |
'##' => '#888', |
| 453 |
}; |
| 454 |
|
| 455 |
my $multiline_markers = { |
| 456 |
'(' => ')', |
| 457 |
'{' => '}', |
| 458 |
'[' => ']', |
| 459 |
'"' => '"', |
| 460 |
}; |
| 461 |
|
| 462 |
my $multiline_re = '[\\' . join('\\', keys %$multiline_markers ) . ']'; |
| 463 |
warn "## multiline markers ", dump( $multiline_markers ), " -> $multiline_re"; |
| 464 |
|
| 465 |
sub log_path { |
| 466 |
$Frey::Bootstrap::log_path || warn "no log_path?"; |
| 467 |
} |
| 468 |
|
| 469 |
sub warnings_html { |
| 470 |
my ($self,$level) = shift; |
| 471 |
$level ||= $self->debug, |
| 472 |
my $path = $self->log_path; |
| 473 |
|
| 474 |
my $max = 30; |
| 475 |
my $pos = 0; |
| 476 |
my @warnings = ( '' x $max ); # XXX circualar buffer for 50 lines |
| 477 |
my $line = 0; |
| 478 |
my $multiline_end; |
| 479 |
|
| 480 |
# XXX do we really want to do this every time? |
| 481 |
my $css = qq|/* short css classes for levels */\n|; |
| 482 |
my $level_to_class; |
| 483 |
foreach ( keys %$warn_colors ) { |
| 484 |
my $l = length($_); |
| 485 |
my $class = 'l' . $l; |
| 486 |
$css .= qq|.$class { color: $warn_colors->{$_} }\n|; |
| 487 |
$level_to_class->{ $_ } = $class; |
| 488 |
} |
| 489 |
$self->add_css( $css ); |
| 490 |
|
| 491 |
open(my $log, '<', $path) || die "can't open $path: $!"; |
| 492 |
while(<$log>) { |
| 493 |
chomp; |
| 494 |
$line++; |
| 495 |
|
| 496 |
my $style = ''; |
| 497 |
|
| 498 |
=for filter |
| 499 |
|
| 500 |
if ( $multiline_end ) { |
| 501 |
if ( m{^\Q$multiline_end\E} || m{^\s.+\Q$multiline_end\E;$} ) { |
| 502 |
# warn "## $line end of $multiline_end in '$_'\n"; |
| 503 |
undef $multiline_end; |
| 504 |
} else { |
| 505 |
# warn "## $line skipped\n"; |
| 506 |
} |
| 507 |
} elsif ( m{^(#*)\s+} ) { |
| 508 |
my $l = $1 ? length($1) : 0; |
| 509 |
if ( $l > $level ) { |
| 510 |
undef $multiline_end; |
| 511 |
$multiline_end = $multiline_markers->{$1} if m{($multiline_re)$}; |
| 512 |
# warn "## $line start $1 .. $multiline_end level $l > $level for '$_'\n" if $multiline_end; |
| 513 |
next; |
| 514 |
} |
| 515 |
|
| 516 |
=cut |
| 517 |
if ( m{^(#*)} ) { |
| 518 |
|
| 519 |
my $level = $1; |
| 520 |
my $msg = $_; |
| 521 |
|
| 522 |
my $spacer = ' '; |
| 523 |
my $real_msg = expand( $msg ); |
| 524 |
if ( length($real_msg) > $self->html_dump_width ) { |
| 525 |
|
| 526 |
$real_msg = substr( $msg, 0, $self->html_dump_width ); |
| 527 |
$msg = unexpand( $real_msg ); |
| 528 |
$spacer = '…' |
| 529 |
} |
| 530 |
|
| 531 |
$msg = $self->html_escape( $msg ); |
| 532 |
|
| 533 |
if ( my $class = $level_to_class->{ $level } ) { |
| 534 |
$msg = qq|<span class="$class">$msg</span>|; |
| 535 |
} |
| 536 |
|
| 537 |
#$msg .= $spacer . qq|<a target="editor" href="/editor+$path+$line" style="float: right;">$line</a>\n|; |
| 538 |
$msg = qq|<a target="editor" href="/editor+$path+$line" style="float: right;">$line</a>$msg| |
| 539 |
. ( $spacer ? $spacer : '' ) |
| 540 |
. "\n"; # XXX <pre> needs this |
| 541 |
|
| 542 |
$warnings[ $pos++ % $max ] = $msg; |
| 543 |
} |
| 544 |
} |
| 545 |
warn "log has $line lines tell position ",tell($log); |
| 546 |
close($log) || die "can't close $path: $!"; |
| 547 |
|
| 548 |
my $size = -s $path; |
| 549 |
|
| 550 |
my $warnings = join("", |
| 551 |
map { $warnings[ ( $pos + $_ ) % $max ] || '' } 0 .. ( $max - 1 ) |
| 552 |
); |
| 553 |
|
| 554 |
my $s = length($warnings); |
| 555 |
|
| 556 |
return |
| 557 |
# need to wrap editor link into span so we can have links in warnings |
| 558 |
qq|<span class="frey-popup"><a target="editor" href="/editor+$path+$line" title="$path \| $size -> $s bytes \| $line -> $pos lines \| level $level">warn</a><code>| |
| 559 |
. $self->editor_links( $warnings ) |
| 560 |
. qq|</code></span></a>| |
| 561 |
; |
| 562 |
} |
| 563 |
|
| 564 |
|
| 565 |
=head2 backtrace |
| 566 |
|
| 567 |
Show backtrace with links to editor |
| 568 |
|
| 569 |
my @backtrace = $self->backtrace; |
| 570 |
|
| 571 |
=cut |
| 572 |
|
| 573 |
sub backtrace { |
| 574 |
my ($self) = @_; |
| 575 |
|
| 576 |
my @backtrace; |
| 577 |
foreach ( 0 .. 5 ) { |
| 578 |
my ( |
| 579 |
$package,$path,$line |
| 580 |
# subroutine hasargs |
| 581 |
# wantarray evaltext is_require |
| 582 |
# hints bitmask hinthash |
| 583 |
) = caller($_) or last; |
| 584 |
|
| 585 |
push @backtrace, |
| 586 |
qq|via $package at $path line $line|; |
| 587 |
} |
| 588 |
#warn "# backtrace: ", dump( @backtrace ) if @backtrace; |
| 589 |
return @backtrace; |
| 590 |
} |
| 591 |
|
| 592 |
1; |
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