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package Data::Dump::Ruby;
use strict;
use vars qw(@EXPORT @EXPORT_OK $DEBUG);
use subs qq(dump);

# to make Test::Pod::Coverage happy


require Exporter;
*import = \&Exporter::import;
@EXPORT = qw(dd_ruby ddx_ruby);
@EXPORT_OK = qw(dump_ruby pp_ruby quote_ruby);

our $VERSION = '0.02'; # VERSION

$DEBUG = 0;

use overload ();
use vars qw(%seen %refcnt @dump @fixup %require $TRY_BASE64 $USE_LAMBDA);

$USE_LAMBDA = 0;
$TRY_BASE64 = 50 unless defined $TRY_BASE64;

my %is_perl_keyword = map { $_ => 1 }
qw( __FILE__ __LINE__ __PACKAGE__ __DATA__ __END__ AUTOLOAD BEGIN CORE
DESTROY END EQ GE GT INIT LE LT NE abs accept alarm and atan2 bind
binmode bless caller chdir chmod chomp chop chown chr chroot close
closedir cmp connect continue cos crypt dbmclose dbmopen defined
delete die do dump each else elsif endgrent endhostent endnetent
endprotoent endpwent endservent eof eq eval exec exists exit exp fcntl
fileno flock for foreach fork format formline ge getc getgrent
getgrgid getgrnam gethostbyaddr gethostbyname gethostent getlogin
getnetbyaddr getnetbyname getnetent getpeername getpgrp getppid
getpriority getprotobyname getprotobynumber getprotoent getpwent
getpwnam getpwuid getservbyname getservbyport getservent getsockname
getsockopt glob gmtime goto grep gt hex if index int ioctl join keys
kill last lc lcfirst le length link listen local localtime lock log
lstat lt m map mkdir msgctl msgget msgrcv msgsnd my ne next no not oct
open opendir or ord pack package pipe pop pos print printf prototype
push q qq qr quotemeta qw qx rand read readdir readline readlink
readpipe recv redo ref rename require reset return reverse rewinddir
rindex rmdir s scalar seek seekdir select semctl semget semop send
setgrent sethostent setnetent setpgrp setpriority setprotoent setpwent
setservent setsockopt shift shmctl shmget shmread shmwrite shutdown
sin sleep socket socketpair sort splice split sprintf sqrt srand stat
study sub substr symlink syscall sysopen sysread sysseek system
syswrite tell telldir tie tied time times tr truncate uc ucfirst umask
undef unless unlink unpack unshift untie until use utime values vec
wait waitpid wantarray warn while write x xor y);


sub dump
{
    local %seen;
    local %refcnt;
    local %require;
    local @fixup;

    my $name = "a";
    my @dump;

    for my $v (@_) {
	my $val = _dump($v, $name, [], tied($v));
	push(@dump, [$name, $val]);
    } continue {
	$name++;
    }

    my $out = "";
    if (%require) {
	die "BUG: should not require() for Ruby";
        for (sort keys %require) {
	    $out .= "require $_;\n";
	}
    }
    if (%refcnt) {
	# output all those with refcounts first
	for (@dump) {
	    my $name = $_->[0];
	    if ($refcnt{$name}) {
		$out .= "$name = $_->[1]\n";
		undef $_->[1];
	    }
	}
	for (@fixup) {
	    $out .= "$_\n";
	}
    }

    my $paren = (@dump != 1);
    $out .= (@fixup ? "":"")."[" if $paren;
    $out .= format_list($paren, undef,
			map {defined($dump[$_][1]) ? $dump[$_][1] : (!$paren && $_ == @dump-1 ? "":"").$dump[$_][0]}
			    0..$#dump
		       );