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#!/usr/local/bin/perl
#
# $FML: show_hierarchy.pl,v 1.2 2001/08/19 16:11:28 fukachan Exp $
#
use lib qw(./lib/3RDPARTY ./lib/fml5 ./lib/CPAN ./lib);
use strict;
use vars qw($Count %Count $debug $verbose %IgnoreList);
%IgnoreList = (
'Carp' => 1,
'Exporter' => 1,
'FileHandle' => 1,
'DynaLoader' => 1,
'AutoLoader' => 1,
);
for (@ARGV) { load( $_ );}
sub load
{
my ($f) = @_;
my $name = $f;
return if $IgnoreList{ $name };
$Count++;
if ($Count > 32) { die("infinite loop!\n");}
$f =~ s@::@/@g;
for my $dir (@INC) {
if (-f "$dir/$f.pm") {
$f = "$dir/$f.pm";
last;
}
if (-f "$dir/$f.pl") {
$f = "$dir/$f.pl";
last;
}
}
unless (-f $f) {
P( "not found: $f" ) if $debug;;
$Count--;
return;
}
if ( $Count{ $f } ) {
P( "$f is recursive" ) if $debug;;
$Count--;
return;
}
else {
$Count{ $f } = 1;
}
use FileHandle;
my $fh = new FileHandle $f;
print "--- open $f\n" if $debug;
### dynamic scope to count up recursive conditions
local(%Count) if $Count == 2;
if (defined $fh) {
my $file = '';
my $comment = '';
my $current_function = '';
my %function_hach = ();
my $pat = '$0 eq __FILE__';
while (<$fh>) {
last if /$pat/;
last if /__END__/;
next if /^\s*\#/;
next if /^\s*Log/;
# ignore comments
$comment = 1 if /^=/;
$comment = 0 if /^=cut/;
next if $comment;
chop;
if (/^sub (\S+)/) {
$current_function = $1;
}
# ignore these since they are too many.
if (/(use|require)\s+(Carp|Exporter|DynaLoader|AutoLoader)/) {
next;
}
if (/(use|require)\s+([A-Z]\S+[a-zA-Z0-9])/) {
unless ( $function_hach{ $current_function } ) {
if ($verbose) {
&Print();
&Print( "${name}::". $current_function );
}
$function_hach{ $current_function } = 1;
}
&Print() if $Count == 1;
&Print() if $Count == 2;
$verbose ? &Print( $_ , $. ) : &Print( $_ );
$file = $2;
$file =~ s/\"//g;
$file =~ s/\'//g;
if ($file =~ /^[a-z]/) {
;
}
else {
P( "\t($Count)load $file" ) if $debug;
load($file);
}
}
}
$fh->close if defined $fh;
}
$Count--;
}
sub Print
{
my ($s, $lc) = @_;
$s =~ s/^\s+//o;
print " " x ( $Count - 1 );
printf "%4d> ", $lc if $lc;
print $s, "\n";
}
1;
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