[p5sagit/p5-mst-13.2.git] / lib / utf8_heavy.pl

package utf8;
use strict;
use warnings;
require "utf8_pva.pl";

sub DEBUG () { 0 }

sub DESTROY {}

my %Cache;

our (%PropertyAlias, %PA_reverse, %PropValueAlias, %PVA_reverse, %PVA_abbr_map);

sub croak { require Carp; Carp::croak(@_) }

##
## "SWASH" == "SWATCH HASH". A "swatch" is a swatch of the Unicode landscape.
## It's a data structure that encodes a set of Unicode characters.
##

sub SWASHNEW {
    my ($class, $type, $list, $minbits, $none) = @_;
    local $^D = 0 if $^D;

    print STDERR "SWASHNEW @_\n" if DEBUG;

    ##
    ## Get the list of codepoints for the type.
    ## Called from utf8.c
    ##
    ## Given a $type, our goal is to fill $list with the set of codepoint
    ## ranges.
    ##
    ## To make the parsing of $type clear, this code takes the a rather
    ## unorthodox approach of last'ing out of the block once we have the
    ## info we need. Were this to be a subroutine, the 'last' would just
    ## be a 'return'.
    ##
    my $file; ## file to load data from, and also part of the %Cache key.
    my $ListSorted = 0;

    if ($type)
    {
        $type =~ s/^\s+//;
        $type =~ s/\s+$//;

        print "type = $type\n" if DEBUG;

      GETFILE:
        {
	    ##
	    ## It could be a user-defined property.
	    ##

	    my $caller1 = $type =~ s/(.+)::// ? $1 : caller(1);

	    if (defined $caller1 && $type =~ /^(?:\w+)$/) {
		my $prop = "${caller1}::$type";
		if (exists &{$prop}) {
		    no strict 'refs';
		    
		    $list = &{$prop};
		    last GETFILE;
		}
	    }

            my $wasIs;

            ($wasIs = $type =~ s/^Is(?:\s+|[-_])?//i)
              or
            $type =~ s/^(?:(?:General(?:\s+|_)?)?Category|gc)\s*[:=]\s*//i
              or
            $type =~ s/^(?:Script|sc)\s*[:=]\s*//i
              or
            $type =~ s/^Block\s*[:=]\s*/In/i;


	    ##
	    ## See if it's in some enumeration.
	    ##
	    if ($type =~ /^([\w\s]+)[:=]\s*(.*)/) {
		require "utf8_pva.pl";
		my ($enum, $val) = (lc $1, lc $2);
		$enum =~ tr/ _-//d;
		$val =~ tr/ _-//d;

		my $pa = $PropertyAlias{$enum} ? $enum : $PA_reverse{$enum};
		my $f = $PropValueAlias{$pa}{$val} ? $val : $PVA_reverse{$pa}{lc $val};

		if ($pa and $f) {
		    $pa = "gc_sc" if $pa eq "gc" or $pa eq "sc";
		    $file = "unicore/lib/$pa/$PVA_abbr_map{$pa}{lc $f}.pl";
		    last GETFILE;
		}
	    }
	    else {
		my $t = lc $type;
		$t =~ tr/ _-//d;

		if ($PropValueAlias{gc}{$t} or $PropValueAlias{sc}{$t}) {
		    $file = "unicore/lib/gc_sc/$PVA_abbr_map{gc_sc}{$t}.pl";
		    last GETFILE;
		}
	    }

            ##
            ## See if it's in the direct mapping table.
            ##
            require "unicore/Exact.pl";
            if (my $base = $utf8::Exact{$type}) {
                $file = "unicore/lib/gc_sc/$base.pl";
                last GETFILE;
            }

            ##
            ## If not there exactly, try the canonical form. The canonical
            ## form is lowercased, with any separators (\s+|[-_]) removed.
            ##
            my $canonical = lc $type;
            $canonical =~ s/(?<=[a-z\d])(?:\s+|[-_])(?=[a-z\d])//g;
            print "canonical = $canonical\n" if DEBUG;

            require "unicore/Canonical.pl";
            if (my $base = ($utf8::Canonical{$canonical} || $utf8::Canonical{ lc $utf8::PropertyAlias{$canonical} })) {
                $file = "unicore/lib/gc_sc/$base.pl";
                last GETFILE;
            }

	    ##
	    ## See if it's a user-level "To".
	    ##

	    my $caller0 = caller(0);

	    if (defined $caller0 && $type =~ /^To(?:\w+)$/) {
		my $map = $caller0 . "::" . $type;

		if (exists &{$map}) {
		    no strict 'refs';
		    
		    $list = &{$map};
		    last GETFILE;
		}
	    }

            ##
            ## Last attempt -- see if it's a standard "To" name
	    ## (e.g. "ToLower")  ToTitle is used by ucfirst().
	    ## The user-level way to access ToDigit() and ToFold()
	    ## is to use Unicode::UCD.
            ##
            if ($type =~ /^To(Digit|Fold|Lower|Title|Upper)$/)
            {
                $file = "unicore/To/$1.pl";
                ## would like to test to see if $file actually exists....
                last GETFILE;
            }

            ##
            ## If we reach this line, it's because we couldn't figure
            ## out what to do with $type. Ouch.
            ##

            return $type;
        }

	if (defined $file) {
	    print "found it (file='$file')\n" if DEBUG;

	    ##
	    ## If we reach here, it was due to a 'last GETFILE' above
	    ## (exception: user-defined properties and mappings), so we
	    ## have a filename, so now we load it if we haven't already.
	    ## If we have, return the cached results. The cache key is the
	    ## file to load.
	    ##
	    if ($Cache{$file} and ref($Cache{$file}) eq $class)
	    {
		print "Returning cached '$file' for \\p{$type}\n" if DEBUG;
		return $Cache{$class, $file};
	    }

	    $list = do $file;
	}

        $ListSorted = 1; ## we know that these lists are sorted
    }

    my $extras;
    my $bits = 0;

    my $ORIG = $list;
    if ($list) {
	my @tmp = split(/^/m, $list);
	my %seen;
	no warnings;
	$extras = join '', grep /^[^0-9a-fA-F]/, @tmp;
	$list = join '',
	    map  { $_->[1] }
	    sort { $a->[0] <=> $b->[0] }
	    map  { /^([0-9a-fA-F]+)/; [ hex($1), $_ ] }
	    grep { /^([0-9a-fA-F]+)/ and not $seen{$1}++ } @tmp; # XXX doesn't do ranges right
    }

    if ($none) {
	my $hextra = sprintf "%04x", $none + 1;
	$list =~ s/\tXXXX$/\t$hextra/mg;
    }

    if ($minbits < 32) {
	my $top = 0;
	while ($list =~ /^([0-9a-fA-F]+)(?:[\t]([0-9a-fA-F]+)?)(?:[ \t]([0-9a-fA-F]+))?/mg) {
	    my $min = hex $1;
	    my $max = defined $2 ? hex $2 : $min;
	    my $val = defined $3 ? hex $3 : 0;
	    $val += $max - $min if defined $3;
	    $top = $val if $val > $top;
	}
	$bits =
	    $top > 0xffff ? 32 :
	    $top > 0xff ? 16 :
	    $top > 1 ? 8 : 1
    }
    $bits = $minbits if $bits < $minbits;

    my @extras;
    for my $x ($extras) {
	pos $x = 0;
	while ($x =~ /^([^0-9a-fA-F\n])(.*)/mg) {
	    my $char = $1;
	    my $name = $2;
	    print STDERR "$1 => $2\n" if DEBUG;
	    if ($char =~ /[-+!&]/) {
		my ($c,$t) = split(/::/, $name, 2);	# bogus use of ::, really
		my $subobj;
		if ($c eq 'utf8') {
		    $subobj = utf8->SWASHNEW($t, "", 0, 0, 0);
		}
		elsif (exists &$name) {
		    $subobj = utf8->SWASHNEW($name, "", 0, 0, 0);
		}
		elsif ($c =~ /^([0-9a-fA-F]+)/) {
		    $subobj = utf8->SWASHNEW("", $c, 0, 0, 0);
		}
		return $subobj unless ref $subobj;
		push @extras, $name => $subobj;
		$bits = $subobj->{BITS} if $bits < $subobj->{BITS};
	    }
	}
    }

    print STDERR "CLASS = $class, TYPE => $type, BITS => $bits, NONE => $none\nEXTRAS =>\n$extras\nLIST =>\n$list\n" if DEBUG;

    my $SWASH = bless {
	TYPE => $type,
	BITS => $bits,
	EXTRAS => $extras,
	LIST => $list,
	NONE => $none,
	@extras,
    } => $class;

    if ($file) {
        $Cache{$class, $file} = $SWASH;
    }

    return $SWASH;
}

# NOTE: utf8.c:swash_init() assumes entries are never modified once generated.

sub SWASHGET {
    # See utf8.c:Perl_swash_fetch for problems with this interface.
    my ($self, $start, $len) = @_;
    local $^D = 0 if $^D;
    my $type = $self->{TYPE};
    my $bits = $self->{BITS};
    my $none = $self->{NONE};
    print STDERR "SWASHGET @_ [$type/$bits/$none]\n" if DEBUG;
    my $end = $start + $len;
    my $swatch = "";
    my $key;
    vec($swatch, $len - 1, $bits) = 0;	# Extend to correct length.
    if ($none) {
	for $key (0 .. $len - 1) { vec($swatch, $key, $bits) = $none }
    }

    for ($self->{LIST}) {
	pos $_ = 0;
	if ($bits > 1) {
	  LINE:
	    while (/^([0-9a-fA-F]+)(?:[ \t]([0-9a-fA-F]+)?)?(?:[ \t]([0-9a-fA-F]+))?/mg) {
		chomp;
		my ($a, $b, $c) = ($1, $2, $3);
		croak "$type: illegal mapping '$_'"
		    if $type =~ /^To/ &&
		       !(defined $a && defined $c);
		my $min = hex $a;
		my $max = defined $b ? hex $b : $min;
		my $val = defined $c ? hex $c : 0;
		next if $max < $start;
		print "$min $max $val\n" if DEBUG;
		if ($none) {
		    if ($min < $start) {
			$val += $start - $min if $val < $none;
			$min = $start;
		    }
		    for ($key = $min; $key <= $max; $key++) {
			last LINE if $key >= $end;
			print STDERR "$key => $val\n" if DEBUG;
			vec($swatch, $key - $start, $bits) = $val;
			++$val if $val < $none;
		    }
		}
		else {
		    if ($min < $start) {
			$val += $start - $min;
			$min = $start;
		    }
		    for ($key = $min; $key <= $max; $key++, $val++) {
			last LINE if $key >= $end;
			print STDERR "$key => $val\n" if DEBUG;
			vec($swatch, $key - $start, $bits) = $val;
		    }
		}
	    }
	}
	else {
	  LINE:
	    while (/^([0-9a-fA-F]+)(?:[ \t]+([0-9a-fA-F]+))?/mg) {
		chomp;
		my $min = hex $1;
		my $max = defined $2 ? hex $2 : $min;
		next if $max < $start;
		if ($min < $start) {
		    $min = $start;
		}
		for ($key = $min; $key <= $max; $key++) {
		    last LINE if $key >= $end;
		    print STDERR "$key => 1\n" if DEBUG;
		    vec($swatch, $key - $start, 1) = 1;
		}
	    }
	}
    }
    for my $x ($self->{EXTRAS}) {
	pos $x = 0;
	while ($x =~ /^([-+!&])(.*)/mg) {
	    my $char = $1;
	    my $name = $2;
	    print STDERR "INDIRECT $1 $2\n" if DEBUG;
	    my $otherbits = $self->{$name}->{BITS};
	    croak("SWASHGET size mismatch") if $bits < $otherbits;
	    my $other = $self->{$name}->SWASHGET($start, $len);
	    if ($char eq '+') {
		if ($bits == 1 and $otherbits == 1) {
		    $swatch |= $other;
		}
		else {
		    for ($key = 0; $key < $len; $key++) {
			vec($swatch, $key, $bits) = vec($other, $key, $otherbits);
		    }
		}
	    }
	    elsif ($char eq '!') {
		if ($bits == 1 and $otherbits == 1) {
		    $swatch |= ~$other;
		}
		else {
		    for ($key = 0; $key < $len; $key++) {
			if (!vec($other, $key, $otherbits)) {
			    vec($swatch, $key, $bits) = 1;
			}
		    }
		}
	    }
	    elsif ($char eq '-') {
		if ($bits == 1 and $otherbits == 1) {
		    $swatch &= ~$other;
		}
		else {
		    for ($key = 0; $key < $len; $key++) {
			if (vec($other, $key, $otherbits)) {
			    vec($swatch, $key, $bits) = 0;
			}
		    }
		}
	    }
	    elsif ($char eq '&') {
		if ($bits == 1 and $otherbits == 1) {
		    $swatch &= $other;
		}
		else {
		    for ($key = 0; $key < $len; $key++) {
			if (!vec($other, $key, $otherbits)) {
			    vec($swatch, $key, $bits) = 0;
			}
		    }
		}
	    }
	}
    }
    if (DEBUG) {
	print STDERR "CELLS ";
	for ($key = 0; $key < $len; $key++) {
	    print STDERR vec($swatch, $key, $bits), " ";
	}
	print STDERR "\n";
    }
    $swatch;
}

1;
Commit	Line	Data
a0ed51b3	1	package utf8;
cf25bb62	2	use strict;
cf25bb62	3	use warnings;
12ac2576	4	require "utf8_pva.pl";
a0ed51b3	5
15732964	6	sub DEBUG () { 0 }
a0ed51b3	7
	8	sub DESTROY {}
	9
5beb625e	10	my %Cache;
5beb625e	11
12ac2576	12	our (%PropertyAlias, %PA_reverse, %PropValueAlias, %PVA_reverse, %PVA_abbr_map);
12ac2576	13
86916d66	14	sub croak { require Carp; Carp::croak(@_) }
86916d66	15
5beb625e	16	##
3a2263fe	17	## "SWASH" == "SWATCH HASH". A "swatch" is a swatch of the Unicode landscape.
3a2263fe	18	## It's a data structure that encodes a set of Unicode characters.
5beb625e	19	##
5beb625e	20
a0ed51b3	21	sub SWASHNEW {
	22	my ($class, $type, $list, $minbits, $none) = @_;
	23	local $^D = 0 if $^D;
15732964	24
	25	print STDERR "SWASHNEW @_\n" if DEBUG;
	26
cf25bb62	27	##
	28	## Get the list of codepoints for the type.
	29	## Called from utf8.c
	30	##
	31	## Given a $type, our goal is to fill $list with the set of codepoint
5beb625e	32	## ranges.
cf25bb62	33	##
cf25bb62	34	## To make the parsing of $type clear, this code takes the a rather
2d92f8a0	35	## unorthodox approach of last'ing out of the block once we have the
cf25bb62	36	## info we need. Were this to be a subroutine, the 'last' would just
	37	## be a 'return'.
	38	##
5beb625e	39	my $file; ## file to load data from, and also part of the %Cache key.
	40	my $ListSorted = 0;
	41
cf25bb62	42	if ($type)
	43	{
	44	$type =~ s/^\s+//;
	45	$type =~ s/\s+$//;
	46
	47	print "type = $type\n" if DEBUG;
	48
cf25bb62	49	GETFILE:
cf25bb62	50	{
12ac2576	51	##
	52	## It could be a user-defined property.
	53	##
	54
	55	my $caller1 = $type =~ s/(.+)::// ? $1 : caller(1);
	56
	57	if (defined $caller1 && $type =~ /^(?:\w+)$/) {
	58	my $prop = "${caller1}::$type";
	59	if (exists &{$prop}) {
	60	no strict 'refs';
	61
	62	$list = &{$prop};
	63	last GETFILE;
	64	}
	65	}
	66
2d92f8a0	67	my $wasIs;
	68
	69	($wasIs = $type =~ s/^Is(?:\s+\|[-_])?//i)
5beb625e	70	or
12ac2576	71	$type =~ s/^(?:(?:General(?:\s+\|_)?)?Category\|gc)\s[:=]\s//i
5beb625e	72	or
12ac2576	73	$type =~ s/^(?:Script\|sc)\s[:=]\s//i
5beb625e	74	or
12ac2576	75	$type =~ s/^Block\s[:=]\s/In/i;
	76
	77
	78	##
	79	## See if it's in some enumeration.
	80	##
	81	if ($type =~ /^([\w\s]+)[:=]\s(.)/) {
	82	require "utf8_pva.pl";
	83	my ($enum, $val) = (lc $1, lc $2);
	84	$enum =~ tr/ _-//d;
	85	$val =~ tr/ _-//d;
	86
	87	my $pa = $PropertyAlias{$enum} ? $enum : $PA_reverse{$enum};
	88	my $f = $PropValueAlias{$pa}{$val} ? $val : $PVA_reverse{$pa}{lc $val};
	89
	90	if ($pa and $f) {
	91	$pa = "gc_sc" if $pa eq "gc" or $pa eq "sc";
	92	$file = "unicore/lib/$pa/$PVA_abbr_map{$pa}{lc $f}.pl";
	93	last GETFILE;
	94	}
	95	}
	96	else {
	97	my $t = lc $type;
	98	$t =~ tr/ _-//d;
	99
	100	if ($PropValueAlias{gc}{$t} or $PropValueAlias{sc}{$t}) {
	101	$file = "unicore/lib/gc_sc/$PVA_abbr_map{gc_sc}{$t}.pl";
	102	last GETFILE;
	103	}
	104	}
cf25bb62	105
5beb625e	106	##
	107	## See if it's in the direct mapping table.
	108	##
	109	require "unicore/Exact.pl";
	110	if (my $base = $utf8::Exact{$type}) {
12ac2576	111	$file = "unicore/lib/gc_sc/$base.pl";
5beb625e	112	last GETFILE;
cf25bb62	113	}
	114
	115	##
5beb625e	116	## If not there exactly, try the canonical form. The canonical
5beb625e	117	## form is lowercased, with any separators (\s+\|[-_]) removed.
cf25bb62	118	##
5beb625e	119	my $canonical = lc $type;
	120	$canonical =~ s/(?<=[a-z\d])(?:\s+\|[-_])(?=[a-z\d])//g;
	121	print "canonical = $canonical\n" if DEBUG;
cf25bb62	122
5beb625e	123	require "unicore/Canonical.pl";
12ac2576	124	if (my $base = ($utf8::Canonical{$canonical} \|\| $utf8::Canonical{ lc $utf8::PropertyAlias{$canonical} })) {
12ac2576	125	$file = "unicore/lib/gc_sc/$base.pl";
5beb625e	126	last GETFILE;
cf25bb62	127	}
cf25bb62	128
491fd90a	129	##
3a2263fe	130	## See if it's a user-level "To".
	131	##
	132
	133	my $caller0 = caller(0);
	134
	135	if (defined $caller0 && $type =~ /^To(?:\w+)$/) {
	136	my $map = $caller0 . "::" . $type;
09e0265a	137
3a2263fe	138	if (exists &{$map}) {
	139	no strict 'refs';
	140
	141	$list = &{$map};
	142	last GETFILE;
	143	}
	144	}
	145
cf25bb62	146	##
3a2263fe	147	## Last attempt -- see if it's a standard "To" name
	148	## (e.g. "ToLower") ToTitle is used by ucfirst().
	149	## The user-level way to access ToDigit() and ToFold()
	150	## is to use Unicode::UCD.
cf25bb62	151	##
3a2263fe	152	if ($type =~ /^To(Digit\|Fold\|Lower\|Title\|Upper)$/)
cf25bb62	153	{
	154	$file = "unicore/To/$1.pl";
	155	## would like to test to see if $file actually exists....
	156	last GETFILE;
	157	}
	158
	159	##
	160	## If we reach this line, it's because we couldn't figure
	161	## out what to do with $type. Ouch.
	162	##
bc45ce41	163
bc45ce41	164	return $type;
cf25bb62	165	}
cf25bb62	166
491fd90a	167	if (defined $file) {
	168	print "found it (file='$file')\n" if DEBUG;
	169
	170	##
	171	## If we reach here, it was due to a 'last GETFILE' above
3a2263fe	172	## (exception: user-defined properties and mappings), so we
491fd90a	173	## have a filename, so now we load it if we haven't already.
	174	## If we have, return the cached results. The cache key is the
	175	## file to load.
	176	##
	177	if ($Cache{$file} and ref($Cache{$file}) eq $class)
	178	{
	179	print "Returning cached '$file' for \\p{$type}\n" if DEBUG;
	180	return $Cache{$class, $file};
	181	}
	182
	183	$list = do $file;
	184	}
5beb625e	185
5beb625e	186	$ListSorted = 1; ## we know that these lists are sorted
886ba366	187	}
a0ed51b3	188
15732964	189	my $extras;
485aafd9	190	my $bits = 0;
cf25bb62	191
5beb625e	192	my $ORIG = $list;
a0ed51b3	193	if ($list) {
	194	my @tmp = split(/^/m, $list);
	195	my %seen;
db376a24	196	no warnings;
a0ed51b3	197	$extras = join '', grep /^[^0-9a-fA-F]/, @tmp;
a0ed51b3	198	$list = join '',
df68b396	199	map { $_->[1] }
	200	sort { $a->[0] <=> $b->[0] }
	201	map { /^([0-9a-fA-F]+)/; [ hex($1), $_ ] }
	202	grep { /^([0-9a-fA-F]+)/ and not $seen{$1}++ } @tmp; # XXX doesn't do ranges right
a0ed51b3	203	}
	204
	205	if ($none) {
	206	my $hextra = sprintf "%04x", $none + 1;
	207	$list =~ s/\tXXXX$/\t$hextra/mg;
	208	}
	209
	210	if ($minbits < 32) {
	211	my $top = 0;
3a2263fe	212	while ($list =~ /^([0-9a-fA-F]+)(?:[\t]([0-9a-fA-F]+)?)(?:[ \t]([0-9a-fA-F]+))?/mg) {
a0ed51b3	213	my $min = hex $1;
3a2263fe	214	my $max = defined $2 ? hex $2 : $min;
3a2263fe	215	my $val = defined $3 ? hex $3 : 0;
a0ed51b3	216	$val += $max - $min if defined $3;
	217	$top = $val if $val > $top;
	218	}
	219	$bits =
	220	$top > 0xffff ? 32 :
	221	$top > 0xff ? 16 :
	222	$top > 1 ? 8 : 1
	223	}
	224	$bits = $minbits if $bits < $minbits;
	225
	226	my @extras;
	227	for my $x ($extras) {
	228	pos $x = 0;
1fef36c7	229	while ($x =~ /^([^0-9a-fA-F\n])(.*)/mg) {
a0ed51b3	230	my $char = $1;
a0ed51b3	231	my $name = $2;
6d6ae962	232	print STDERR "$1 => $2\n" if DEBUG;
09e0265a	233	if ($char =~ /[-+!&]/) {
a0ed51b3	234	my ($c,$t) = split(/::/, $name, 2); # bogus use of ::, really
11ef8fdd	235	my $subobj;
11ef8fdd	236	if ($c eq 'utf8') {
09e0265a	237	$subobj = utf8->SWASHNEW($t, "", 0, 0, 0);
	238	}
	239	elsif (exists &$name) {
	240	$subobj = utf8->SWASHNEW($name, "", 0, 0, 0);
11ef8fdd	241	}
	242	elsif ($c =~ /^([0-9a-fA-F]+)/) {
	243	$subobj = utf8->SWASHNEW("", $c, 0, 0, 0);
	244	}
bc45ce41	245	return $subobj unless ref $subobj;
a0ed51b3	246	push @extras, $name => $subobj;
	247	$bits = $subobj->{BITS} if $bits < $subobj->{BITS};
	248	}
	249	}
	250	}
	251
15732964	252	print STDERR "CLASS = $class, TYPE => $type, BITS => $bits, NONE => $none\nEXTRAS =>\n$extras\nLIST =>\n$list\n" if DEBUG;
a0ed51b3	253
5beb625e	254	my $SWASH = bless {
a0ed51b3	255	TYPE => $type,
	256	BITS => $bits,
	257	EXTRAS => $extras,
	258	LIST => $list,
	259	NONE => $none,
	260	@extras,
	261	} => $class;
5beb625e	262
	263	if ($file) {
	264	$Cache{$class, $file} = $SWASH;
	265	}
	266
	267	return $SWASH;
a0ed51b3	268	}
	269
	270	# NOTE: utf8.c:swash_init() assumes entries are never modified once generated.
	271
	272	sub SWASHGET {
035d37be	273	# See utf8.c:Perl_swash_fetch for problems with this interface.
a0ed51b3	274	my ($self, $start, $len) = @_;
a0ed51b3	275	local $^D = 0 if $^D;
a0ed51b3	276	my $type = $self->{TYPE};
	277	my $bits = $self->{BITS};
	278	my $none = $self->{NONE};
15732964	279	print STDERR "SWASHGET @_ [$type/$bits/$none]\n" if DEBUG;
a0ed51b3	280	my $end = $start + $len;
	281	my $swatch = "";
	282	my $key;
	283	vec($swatch, $len - 1, $bits) = 0; # Extend to correct length.
	284	if ($none) {
	285	for $key (0 .. $len - 1) { vec($swatch, $key, $bits) = $none }
	286	}
	287
	288	for ($self->{LIST}) {
	289	pos $_ = 0;
	290	if ($bits > 1) {
	291	LINE:
3a2263fe	292	while (/^([0-9a-fA-F]+)(?:[ \t]([0-9a-fA-F]+)?)?(?:[ \t]([0-9a-fA-F]+))?/mg) {
	293	chomp;
	294	my ($a, $b, $c) = ($1, $2, $3);
	295	croak "$type: illegal mapping '$_'"
	296	if $type =~ /^To/ &&
	297	!(defined $a && defined $c);
	298	my $min = hex $a;
	299	my $max = defined $b ? hex $b : $min;
	300	my $val = defined $c ? hex $c : 0;
a0ed51b3	301	next if $max < $start;
6d6ae962	302	print "$min $max $val\n" if DEBUG;
a0ed51b3	303	if ($none) {
a0ed51b3	304	if ($min < $start) {
710250cb	305	$val += $start - $min if $val < $none;
a0ed51b3	306	$min = $start;
	307	}
	308	for ($key = $min; $key <= $max; $key++) {
	309	last LINE if $key >= $end;
6d6ae962	310	print STDERR "$key => $val\n" if DEBUG;
a0ed51b3	311	vec($swatch, $key - $start, $bits) = $val;
	312	++$val if $val < $none;
	313	}
	314	}
	315	else {
	316	if ($min < $start) {
	317	$val += $start - $min;
	318	$min = $start;
	319	}
	320	for ($key = $min; $key <= $max; $key++, $val++) {
	321	last LINE if $key >= $end;
6d6ae962	322	print STDERR "$key => $val\n" if DEBUG;
a0ed51b3	323	vec($swatch, $key - $start, $bits) = $val;
	324	}
	325	}
	326	}
	327	}
	328	else {
	329	LINE:
99a6b1f0	330	while (/^([0-9a-fA-F]+)(?:[ \t]+([0-9a-fA-F]+))?/mg) {
3a2263fe	331	chomp;
a0ed51b3	332	my $min = hex $1;
3a2263fe	333	my $max = defined $2 ? hex $2 : $min;
a0ed51b3	334	next if $max < $start;
	335	if ($min < $start) {
	336	$min = $start;
	337	}
	338	for ($key = $min; $key <= $max; $key++) {
	339	last LINE if $key >= $end;
6d6ae962	340	print STDERR "$key => 1\n" if DEBUG;
a0ed51b3	341	vec($swatch, $key - $start, 1) = 1;
	342	}
	343	}
	344	}
	345	}
	346	for my $x ($self->{EXTRAS}) {
	347	pos $x = 0;
09e0265a	348	while ($x =~ /^([-+!&])(.*)/mg) {
a0ed51b3	349	my $char = $1;
a0ed51b3	350	my $name = $2;
15732964	351	print STDERR "INDIRECT $1 $2\n" if DEBUG;
1fef36c7	352	my $otherbits = $self->{$name}->{BITS};
	353	croak("SWASHGET size mismatch") if $bits < $otherbits;
	354	my $other = $self->{$name}->SWASHGET($start, $len);
	355	if ($char eq '+') {
	356	if ($bits == 1 and $otherbits == 1) {
	357	$swatch \|= $other;
a0ed51b3	358	}
1fef36c7	359	else {
	360	for ($key = 0; $key < $len; $key++) {
	361	vec($swatch, $key, $bits) = vec($other, $key, $otherbits);
a0ed51b3	362	}
1fef36c7	363	}
	364	}
	365	elsif ($char eq '!') {
	366	if ($bits == 1 and $otherbits == 1) {
	367	$swatch \|= ~$other;
	368	}
	369	else {
	370	for ($key = 0; $key < $len; $key++) {
	371	if (!vec($other, $key, $otherbits)) {
	372	vec($swatch, $key, $bits) = 1;
a0ed51b3	373	}
	374	}
	375	}
1fef36c7	376	}
	377	elsif ($char eq '-') {
	378	if ($bits == 1 and $otherbits == 1) {
	379	$swatch &= ~$other;
	380	}
	381	else {
	382	for ($key = 0; $key < $len; $key++) {
	383	if (vec($other, $key, $otherbits)) {
	384	vec($swatch, $key, $bits) = 0;
a0ed51b3	385	}
	386	}
	387	}
	388	}
09e0265a	389	elsif ($char eq '&') {
	390	if ($bits == 1 and $otherbits == 1) {
	391	$swatch &= $other;
	392	}
	393	else {
	394	for ($key = 0; $key < $len; $key++) {
	395	if (!vec($other, $key, $otherbits)) {
	396	vec($swatch, $key, $bits) = 0;
	397	}
	398	}
	399	}
	400	}
a0ed51b3	401	}
a0ed51b3	402	}
15732964	403	if (DEBUG) {
a0ed51b3	404	print STDERR "CELLS ";
	405	for ($key = 0; $key < $len; $key++) {
	406	print STDERR vec($swatch, $key, $bits), " ";
	407	}
	408	print STDERR "\n";
	409	}
	410	$swatch;
	411	}
	412
	413	1;