[p5sagit/Devel-Size.git] / memnodes.pl

#!/usr/bin/env perl

use strict;
use warnings;
use autodie;

use DBI qw(looks_like_number);
use DBD::SQLite;
use JSON::XS;
use Devel::Dwarn;

use Getopt::Long;

# XXX import these from the XS code
use constant NPtype_NAME     => 0x01;
use constant NPtype_LINK     => 0x02;
use constant NPtype_SV       => 0x03;
use constant NPtype_MAGIC    => 0x04;
use constant NPtype_OP       => 0x05;

use constant NPattr_LEAFSIZE => 0x00;
use constant NPattr_NAME     => 0x01;
use constant NPattr_PADFAKE  => 0x02;
use constant NPattr_PADNAME  => 0x03;
use constant NPattr_PADTMP   => 0x04;
use constant NPattr_NOTE     => 0x05;
use constant NPattr_PRE_ATTR => 0x06;


GetOptions(
    'text!' => \my $opt_text,
    'dot=s' => \my $opt_dot,
    'db=s'  => \my $opt_db,
    'verbose|v!' => \my $opt_verbose,
    'debug|d!' => \my $opt_debug,
    'showid!' => \my $opt_showid,
) or exit 1;

my $j = JSON::XS->new->ascii->pretty(0);

my ($dbh, $node_ins_sth);
if ($opt_db) {
    $dbh = DBI->connect("dbi:SQLite:dbname=$opt_db","","", {
        RaiseError => 1, PrintError => 0, AutoCommit => 0
    });
    $dbh->do("PRAGMA synchronous = OFF");
    $dbh->do("DROP TABLE IF EXISTS node");
    $dbh->do(q{
        CREATE TABLE node (
            id integer primary key,
            name text,
            title text,
            type integer,
            depth integer,
            parent_id integer,

            self_size integer,
            kids_size integer,
            kids_node_count integer,
            child_ids text,
            attr_json text,
            leaves_json text
        )
    });
    $node_ins_sth = $dbh->prepare(q{
        INSERT INTO node VALUES (?,?,?,?,?,?,  ?,?,?,?,?,?)
    });
}

my @stack;
my %seqn2node;

use HTML::Entities qw(encode_entities);;
my $dotnode = sub {
    my $name = encode_entities(shift);
    $name =~ s/"/\\"/g;
    return '"'.$name.'"';
};


my $dot_fh;
if ($opt_dot) {
    open $dot_fh, ">$opt_dot";
    print $dot_fh "digraph {\n"; # }
    print $dot_fh "graph [overlap=false]\n"; # target="???", URL="???"
}

sub fmt_size {
    my $size = shift;
    my $kb = $size / 1024;
    return $size if $kb < 5;
    return sprintf "%.1fKb", $kb if $kb < 1000;
    return sprintf "%.1fMb", $kb/1024;
}


sub enter_node {
    my $x = shift;

    my $parent = $stack[-1];
    if ($parent) {

        if ($parent->{name} eq 'SV(PVAV)') {
            Dwarn $x->{attr};
            my $index = $x->{attr}{index};
            # If node is an AVelem of a CvPADLIST propagate pad name to AVelem
            if (@stack >= 4 and (my $cvpl = $stack[-4])->{name} eq 'CvPADLIST') {
                # cache the pad names so we can eat them in order
                my $padnames = $cvpl->{_cached}{padnames} ||= do {
                    my @names = @{ $cvpl->{attr}{+NPattr_PADNAME} || []};
                    $_ = "my(".($_||'').")" for @names;
                    $names[0] = '@_';
                    \@names;
                };
                #die Dwarn $x;
                $x->{name} = $padnames->[$index] || "?";
                $x->{name} =~ s/my\(SVs_PADTMP\)/PADTMP/; # XXX hack for neatness
            }
            else {
                $x->{name} = "[$index]";
            }
        }
    }

    return $x;
}


sub leave_node {
    my $x = shift;
    delete $seqn2node{$x->{id}};

    my $self_size = 0; $self_size += $_  for values %{$x->{leaves}};
    $x->{self_size} = $self_size;

    my $parent = $stack[-1];
    if ($parent) {
        # link to parent
        $x->{parent_id} = $parent->{id};
        # accumulate into parent
        $parent->{kids_node_count} += 1 + ($x->{kids_node_count}||0);
        $parent->{kids_size} += $self_size + $x->{kids_size};
        push @{$parent->{child_id}}, $x->{id};
    }

    # output
    # ...
    if ($opt_dot) {
        printf "// n%d parent=%s(type=%s)\n", $x->{id},
                $parent ? $parent->{id} : "",
                $parent ? $parent->{type} : ""
            if 0;
        if ($x->{type} != NPtype_LINK) {
            my $name = $x->{title} ? "\"$x->{title}\" $x->{name}" : $x->{name};

            if ($x->{kids_size}) {
                $name .= sprintf " %s+%s=%s", fmt_size($x->{self_size}), fmt_size($x->{kids_size}), fmt_size($x->{self_size}+$x->{kids_size});
            }
            else {
                $name .= sprintf " +%s", fmt_size($x->{self_size});
            }
            $name .= " $x->{id}" if $opt_showid;

            my @node_attr = (
                sprintf("label=%s", $dotnode->($name)),
                "id=$x->{id}",
            );
            my @link_attr;
            #if ($x->{name} eq 'hek') { push @node_attr, "shape=point"; push @node_attr, "labelfontsize=6"; }
            if ($parent) { # probably a link
                my $parent_id = $parent->{id};
                my @link_attr = ("id=$parent_id");
                if ($parent->{type} == NPtype_LINK) { # link
                    (my $link_name = $parent->{name}) =~ s/->$//;
                    push @link_attr, (sprintf "label=%s", $dotnode->($link_name));
                    $parent_id = ($stack[-2]||die "panic")->{id};
                }
                printf $dot_fh qq{n%d -> n%d [%s];\n},
                    $parent_id, $x->{id}, join(",", @link_attr);
            }
            printf $dot_fh qq{n%d [ %s ];\n}, $x->{id}, join(",", @node_attr);
        }

    }
    if ($dbh) {
        my $attr_json = $j->encode($x->{attr});
        my $leaves_json = $j->encode($x->{leaves});
        $node_ins_sth->execute(
            $x->{id}, $x->{name}, $x->{title}, $x->{type}, $x->{depth}, $x->{parent_id},
            $x->{self_size}, $x->{kids_size}, $x->{kids_node_count},
            $x->{child_id} ? join(",", @{$x->{child_id}}) : undef,
            $attr_json, $leaves_json,
        );
        # XXX attribs
    }
    return;
}

my $indent = ":   ";
my @attr_type_name = (qw(size NAME PADFAKE my PADTMP NOTE));
my $pending_pre_attr = {};

while (<>) {
    chomp;

    my ($type, $id, $val, $name, $extra) = split / /, $_, 5;

    if ($type =~ s/^-//) {     # Node type ($val is depth)
        printf "%s%s %s [#%d @%d]\n", $indent x $val, $name, $extra||'', $id, $val
            if $opt_text;
        while ($val < @stack) {
            leave_node(my $x = pop @stack);
            warn "N $id d$val ends $x->{id} d$x->{depth}: size $x->{self_size}+$x->{kids_size}\n"
                if $opt_verbose;
        }
        die "panic: stack already has item at depth $val"
            if $stack[$val];
        my $node = enter_node({
            id => $id, type => $type, name => $name, extra => $extra,
            attr => { %$pending_pre_attr },
            leaves => {}, depth => $val, self_size=>0, kids_size=>0
        });
        %$pending_pre_attr = ();
        $stack[$val] = $node;
        $seqn2node{$id} = $node;
    }
    # --- Leaf name and memory size
    elsif ($type eq "L") {
        my $node = $seqn2node{$id} || die;
        $node->{leaves}{$name} += $val;
        printf "%s+%d %s\n", $indent x ($node->{depth}+1), $val, $name
            if $opt_text;
    }
    # --- Attribute type, name and value
    elsif (looks_like_number($type)) {
        my $node = $seqn2node{$id} || die;
        my $attr = $node->{attr} || die;

        # attributes to queue up and apply to the next node
        if (NPattr_PRE_ATTR == $type) {
            $pending_pre_attr->{$name} = $val;
        }
        # attributes where the string is a key (or always empty and the type is the key)
        elsif ($type == NPattr_NAME or $type == NPattr_NOTE) {
            printf "%s~%s(%s) %d [t%d]\n", $indent x ($node->{depth}+1), $attr_type_name[$type], $name, $val, $type
                if $opt_text;
            warn "Node $id already has attribute $type:$name (value $attr->{$type}{$name})\n"
                if exists $attr->{$type}{$name};
            $attr->{$type}{$name} = $val || $id;
            $node->{title} = $name if $type == 1 and !$val;
        }
        # attributes where the number is a key (or always zero)
        elsif (NPattr_PADFAKE==$type or NPattr_PADTMP==$type or NPattr_PADNAME==$type) {
            printf "%s~%s('%s') %d [t%d]\n", $indent x ($node->{depth}+1), $attr_type_name[$type], $name, $val, $type
                if $opt_text;
            warn "Node $id already has attribute $type:$name (value $attr->{$type}[$val])\n"
                if defined $attr->{$type}[$val];
            $attr->{+NPattr_PADNAME}[$val] = $name; # store all as NPattr_PADNAME
        }
        else {
            printf "%s~%s %d [t%d]\n", $indent x ($node->{depth}+1), $name, $val, $type
                if $opt_text;
            warn "Invalid attribute type '$type' on line $. ($_)";
        }
    }
    else {
        warn "Invalid type '$type' on line $. ($_)";
        next;
    }
    $dbh->commit if $dbh and $id % 10_000 == 0;
}

my $top = $stack[0]; # grab top node before we pop all the nodes
leave_node(pop @stack) while @stack;
warn "EOF ends $top->{id} d$top->{depth}: size $top->{self_size}+$top->{kids_size}\n"
    if $opt_verbose;
warn Dumper($top) if $opt_verbose;

if ($dot_fh) {
    print $dot_fh "}\n";
    close $dot_fh;
    system("open -a Graphviz $opt_dot");
}

$dbh->commit if $dbh;

use Data::Dumper;
warn Dumper(\%seqn2node) if %seqn2node; # should be empty

=for
SV(PVAV) fill=1/1       [#1 @0] 
:   +64 sv =64 
:   +16 av_max =80 
:   AVelem->        [#2 @1] 
:   :   SV(RV)      [#3 @2] 
:   :   :   +24 sv =104 
:   :   :   RV->        [#4 @3] 
:   :   :   :   SV(PVAV) fill=-1/-1     [#5 @4] 
:   :   :   :   :   +64 sv =168 
:   AVelem->        [#6 @1] 
:   :   SV(IV)      [#7 @2] 
:   :   :   +24 sv =192 
192 at -e line 1.
=cut
__DATA__
N 1 0 SV(PVAV) fill=1/1
L 1 64 sv
L 1 16 av_max
N 2 1 AVelem->
N 3 2 SV(RV)
L 3 24 sv
N 4 3 RV->
N 5 4 SV(PVAV) fill=-1/-1
L 5 64 sv
N 6 1 AVelem->
N 7 2 SV(IV)
L 7 24 sv
Commit	Line	Data
5aa3ad8e	1	#!/usr/bin/env perl
2c631ee0	2
	3	use strict;
	4	use warnings;
5aa3ad8e	5	use autodie;
2c631ee0	6
e8f4c506	7	use DBI qw(looks_like_number);
b2fc39a5	8	use DBD::SQLite;
f60f09e5	9	use JSON::XS;
de73b186	10	use Devel::Dwarn;
b2fc39a5	11
fc6614ee	12	use Getopt::Long;
fc6614ee	13
de73b186	14	# XXX import these from the XS code
	15	use constant NPtype_NAME => 0x01;
	16	use constant NPtype_LINK => 0x02;
	17	use constant NPtype_SV => 0x03;
	18	use constant NPtype_MAGIC => 0x04;
	19	use constant NPtype_OP => 0x05;
	20
	21	use constant NPattr_LEAFSIZE => 0x00;
	22	use constant NPattr_NAME => 0x01;
	23	use constant NPattr_PADFAKE => 0x02;
	24	use constant NPattr_PADNAME => 0x03;
	25	use constant NPattr_PADTMP => 0x04;
	26	use constant NPattr_NOTE => 0x05;
68cafb30	27	use constant NPattr_PRE_ATTR => 0x06;
de73b186	28
de73b186	29
fc6614ee	30	GetOptions(
5aa3ad8e	31	'text!' => \my $opt_text,
5aa3ad8e	32	'dot=s' => \my $opt_dot,
b2fc39a5	33	'db=s' => \my $opt_db,
e8f4c506	34	'verbose\|v!' => \my $opt_verbose,
e8f4c506	35	'debug\|d!' => \my $opt_debug,
98128850	36	'showid!' => \my $opt_showid,
fc6614ee	37	) or exit 1;
94fab3d1	38
f60f09e5	39	my $j = JSON::XS->new->ascii->pretty(0);
f60f09e5	40
1915946b	41	my ($dbh, $node_ins_sth);
	42	if ($opt_db) {
	43	$dbh = DBI->connect("dbi:SQLite:dbname=$opt_db","","", {
	44	RaiseError => 1, PrintError => 0, AutoCommit => 0
	45	});
	46	$dbh->do("PRAGMA synchronous = OFF");
	47	$dbh->do("DROP TABLE IF EXISTS node");
	48	$dbh->do(q{
	49	CREATE TABLE node (
	50	id integer primary key,
	51	name text,
	52	title text,
98128850	53	type integer,
1915946b	54	depth integer,
	55	parent_id integer,
	56
	57	self_size integer,
	58	kids_size integer,
	59	kids_node_count integer,
	60	child_ids text,
	61	attr_json text,
	62	leaves_json text
	63	)
	64	});
	65	$node_ins_sth = $dbh->prepare(q{
98128850	66	INSERT INTO node VALUES (?,?,?,?,?,?, ?,?,?,?,?,?)
1915946b	67	});
1915946b	68	}
b2fc39a5	69
2c631ee0	70	my @stack;
	71	my %seqn2node;
	72
7020702a	73	use HTML::Entities qw(encode_entities);;
	74	my $dotnode = sub {
	75	my $name = encode_entities(shift);
	76	$name =~ s/"/\\"/g;
7020702a	77	return '"'.$name.'"';
7020702a	78	};
ee2793c1	79
ee2793c1	80
5aa3ad8e	81	my $dot_fh;
ee2793c1	82	if ($opt_dot) {
5aa3ad8e	83	open $dot_fh, ">$opt_dot";
	84	print $dot_fh "digraph {\n"; # }
	85	print $dot_fh "graph [overlap=false]\n"; # target="???", URL="???"
ee2793c1	86	}
ee2793c1	87
0741448c	88	sub fmt_size {
	89	my $size = shift;
	90	my $kb = $size / 1024;
	91	return $size if $kb < 5;
	92	return sprintf "%.1fKb", $kb if $kb < 1000;
	93	return sprintf "%.1fMb", $kb/1024;
	94	}
	95
ee2793c1	96
94fab3d1	97	sub enter_node {
94fab3d1	98	my $x = shift;
de73b186	99
	100	my $parent = $stack[-1];
	101	if ($parent) {
	102
68cafb30	103	if ($parent->{name} eq 'SV(PVAV)') {
	104	Dwarn $x->{attr};
	105	my $index = $x->{attr}{index};
	106	# If node is an AVelem of a CvPADLIST propagate pad name to AVelem
	107	if (@stack >= 4 and (my $cvpl = $stack[-4])->{name} eq 'CvPADLIST') {
	108	# cache the pad names so we can eat them in order
	109	my $padnames = $cvpl->{_cached}{padnames} \|\|= do {
	110	my @names = @{ $cvpl->{attr}{+NPattr_PADNAME} \|\| []};
	111	$_ = "my(".($_\|\|'').")" for @names;
	112	$names[0] = '@_';
	113	\@names;
	114	};
	115	#die Dwarn $x;
	116	$x->{name} = $padnames->[$index] \|\| "?";
	117	$x->{name} =~ s/my\(SVs_PADTMP\)/PADTMP/; # XXX hack for neatness
	118	}
	119	else {
	120	$x->{name} = "[$index]";
de73b186	121	}
de73b186	122	}
ee2793c1	123	}
de73b186	124
de73b186	125	return $x;
94fab3d1	126	}
94fab3d1	127
de73b186	128
94fab3d1	129	sub leave_node {
94fab3d1	130	my $x = shift;
b2fc39a5	131	delete $seqn2node{$x->{id}};
ee2793c1	132
94fab3d1	133	my $self_size = 0; $self_size += $_ for values %{$x->{leaves}};
94fab3d1	134	$x->{self_size} = $self_size;
ee2793c1	135
	136	my $parent = $stack[-1];
	137	if ($parent) {
2c631ee0	138	# link to parent
5a78486c	139	$x->{parent_id} = $parent->{id};
2c631ee0	140	# accumulate into parent
2c631ee0	141	$parent->{kids_node_count} += 1 + ($x->{kids_node_count}\|\|0);
94fab3d1	142	$parent->{kids_size} += $self_size + $x->{kids_size};
5a78486c	143	push @{$parent->{child_id}}, $x->{id};
2c631ee0	144	}
de73b186	145
2c631ee0	146	# output
2c631ee0	147	# ...
ee2793c1	148	if ($opt_dot) {
1915946b	149	printf "// n%d parent=%s(type=%s)\n", $x->{id},
0741448c	150	$parent ? $parent->{id} : "",
	151	$parent ? $parent->{type} : ""
	152	if 0;
de73b186	153	if ($x->{type} != NPtype_LINK) {
0741448c	154	my $name = $x->{title} ? "\"$x->{title}\" $x->{name}" : $x->{name};
	155
	156	if ($x->{kids_size}) {
	157	$name .= sprintf " %s+%s=%s", fmt_size($x->{self_size}), fmt_size($x->{kids_size}), fmt_size($x->{self_size}+$x->{kids_size});
	158	}
	159	else {
	160	$name .= sprintf " +%s", fmt_size($x->{self_size});
	161	}
98128850	162	$name .= " $x->{id}" if $opt_showid;
0741448c	163
	164	my @node_attr = (
	165	sprintf("label=%s", $dotnode->($name)),
	166	"id=$x->{id}",
	167	);
	168	my @link_attr;
	169	#if ($x->{name} eq 'hek') { push @node_attr, "shape=point"; push @node_attr, "labelfontsize=6"; }
1915946b	170	if ($parent) { # probably a link
1915946b	171	my $parent_id = $parent->{id};
0741448c	172	my @link_attr = ("id=$parent_id");
de73b186	173	if ($parent->{type} == NPtype_LINK) { # link
1915946b	174	(my $link_name = $parent->{name}) =~ s/->$//;
	175	push @link_attr, (sprintf "label=%s", $dotnode->($link_name));
	176	$parent_id = ($stack[-2]\|\|die "panic")->{id};
	177	}
5aa3ad8e	178	printf $dot_fh qq{n%d -> n%d [%s];\n},
1915946b	179	$parent_id, $x->{id}, join(",", @link_attr);
1915946b	180	}
5aa3ad8e	181	printf $dot_fh qq{n%d [ %s ];\n}, $x->{id}, join(",", @node_attr);
1915946b	182	}
1915946b	183
ee2793c1	184	}
b2fc39a5	185	if ($dbh) {
f60f09e5	186	my $attr_json = $j->encode($x->{attr});
e78b28ca	187	my $leaves_json = $j->encode($x->{leaves});
b2fc39a5	188	$node_ins_sth->execute(
98128850	189	$x->{id}, $x->{name}, $x->{title}, $x->{type}, $x->{depth}, $x->{parent_id},
b2fc39a5	190	$x->{self_size}, $x->{kids_size}, $x->{kids_node_count},
f60f09e5	191	$x->{child_id} ? join(",", @{$x->{child_id}}) : undef,
e78b28ca	192	$attr_json, $leaves_json,
b2fc39a5	193	);
	194	# XXX attribs
	195	}
94fab3d1	196	return;
2c631ee0	197	}
2c631ee0	198
5aa3ad8e	199	my $indent = ": ";
de73b186	200	my @attr_type_name = (qw(size NAME PADFAKE my PADTMP NOTE));
68cafb30	201	my $pending_pre_attr = {};
94fab3d1	202
2c631ee0	203	while (<>) {
2c631ee0	204	chomp;
de73b186	205
b2fc39a5	206	my ($type, $id, $val, $name, $extra) = split / /, $_, 5;
de73b186	207
ee2793c1	208	if ($type =~ s/^-//) { # Node type ($val is depth)
5aa3ad8e	209	printf "%s%s %s [#%d @%d]\n", $indent x $val, $name, $extra\|\|'', $id, $val
5aa3ad8e	210	if $opt_text;
2c631ee0	211	while ($val < @stack) {
94fab3d1	212	leave_node(my $x = pop @stack);
e8f4c506	213	warn "N $id d$val ends $x->{id} d$x->{depth}: size $x->{self_size}+$x->{kids_size}\n"
e8f4c506	214	if $opt_verbose;
2c631ee0	215	}
c5078bcb	216	die "panic: stack already has item at depth $val"
c5078bcb	217	if $stack[$val];
de73b186	218	my $node = enter_node({
de73b186	219	id => $id, type => $type, name => $name, extra => $extra,
68cafb30	220	attr => { %$pending_pre_attr },
68cafb30	221	leaves => {}, depth => $val, self_size=>0, kids_size=>0
de73b186	222	});
68cafb30	223	%$pending_pre_attr = ();
de73b186	224	$stack[$val] = $node;
b2fc39a5	225	$seqn2node{$id} = $node;
2c631ee0	226	}
de73b186	227	# --- Leaf name and memory size
de73b186	228	elsif ($type eq "L") {
b2fc39a5	229	my $node = $seqn2node{$id} \|\| die;
2c631ee0	230	$node->{leaves}{$name} += $val;
5aa3ad8e	231	printf "%s+%d %s\n", $indent x ($node->{depth}+1), $val, $name
5aa3ad8e	232	if $opt_text;
2c631ee0	233	}
de73b186	234	# --- Attribute type, name and value
de73b186	235	elsif (looks_like_number($type)) {
b2fc39a5	236	my $node = $seqn2node{$id} \|\| die;
e8f4c506	237	my $attr = $node->{attr} \|\| die;
de73b186	238
68cafb30	239	# attributes to queue up and apply to the next node
	240	if (NPattr_PRE_ATTR == $type) {
	241	$pending_pre_attr->{$name} = $val;
	242	}
	243	# attributes where the string is a key (or always empty and the type is the key)
	244	elsif ($type == NPattr_NAME or $type == NPattr_NOTE) {
de73b186	245	printf "%s~%s(%s) %d [t%d]\n", $indent x ($node->{depth}+1), $attr_type_name[$type], $name, $val, $type
de73b186	246	if $opt_text;
e8f4c506	247	warn "Node $id already has attribute $type:$name (value $attr->{$type}{$name})\n"
	248	if exists $attr->{$type}{$name};
	249	$attr->{$type}{$name} = $val \|\| $id;
e8f4c506	250	$node->{title} = $name if $type == 1 and !$val;
e8f4c506	251	}
68cafb30	252	# attributes where the number is a key (or always zero)
de73b186	253	elsif (NPattr_PADFAKE==$type or NPattr_PADTMP==$type or NPattr_PADNAME==$type) {
	254	printf "%s~%s('%s') %d [t%d]\n", $indent x ($node->{depth}+1), $attr_type_name[$type], $name, $val, $type
	255	if $opt_text;
e8f4c506	256	warn "Node $id already has attribute $type:$name (value $attr->{$type}[$val])\n"
e8f4c506	257	if defined $attr->{$type}[$val];
de73b186	258	$attr->{+NPattr_PADNAME}[$val] = $name; # store all as NPattr_PADNAME
e8f4c506	259	}
e8f4c506	260	else {
de73b186	261	printf "%s~%s %d [t%d]\n", $indent x ($node->{depth}+1), $name, $val, $type
de73b186	262	if $opt_text;
e8f4c506	263	warn "Invalid attribute type '$type' on line $. ($_)";
e8f4c506	264	}
2c631ee0	265	}
	266	else {
	267	warn "Invalid type '$type' on line $. ($_)";
e8f4c506	268	next;
2c631ee0	269	}
b2fc39a5	270	$dbh->commit if $dbh and $id % 10_000 == 0;
2c631ee0	271	}
2c631ee0	272
c5078bcb	273	my $top = $stack[0]; # grab top node before we pop all the nodes
	274	leave_node(pop @stack) while @stack;
	275	warn "EOF ends $top->{id} d$top->{depth}: size $top->{self_size}+$top->{kids_size}\n"
	276	if $opt_verbose;
	277	warn Dumper($top) if $opt_verbose;
5aa3ad8e	278
	279	if ($dot_fh) {
	280	print $dot_fh "}\n";
	281	close $dot_fh;
	282	system("open -a Graphviz $opt_dot");
2c631ee0	283	}
94fab3d1	284
b2fc39a5	285	$dbh->commit if $dbh;
b2fc39a5	286
2c631ee0	287	use Data::Dumper;
5aa3ad8e	288	warn Dumper(\%seqn2node) if %seqn2node; # should be empty
2c631ee0	289
	290	=for
	291	SV(PVAV) fill=1/1 [#1 @0]
	292	: +64 sv =64
	293	: +16 av_max =80
	294	: AVelem-> [#2 @1]
	295	: : SV(RV) [#3 @2]
	296	: : : +24 sv =104
	297	: : : RV-> [#4 @3]
	298	: : : : SV(PVAV) fill=-1/-1 [#5 @4]
	299	: : : : : +64 sv =168
	300	: AVelem-> [#6 @1]
	301	: : SV(IV) [#7 @2]
	302	: : : +24 sv =192
	303	192 at -e line 1.
	304	=cut
	305	__DATA__
	306	N 1 0 SV(PVAV) fill=1/1
	307	L 1 64 sv
	308	L 1 16 av_max
	309	N 2 1 AVelem->
	310	N 3 2 SV(RV)
	311	L 3 24 sv
	312	N 4 3 RV->
	313	N 5 4 SV(PVAV) fill=-1/-1
	314	L 5 64 sv
	315	N 6 1 AVelem->
	316	N 7 2 SV(IV)
	317	L 7 24 sv