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![Serge Gautherie](/assets/img/avatar_default.png)
Signed-off-by: Serge Gautherie <winehq-git_serge_180711@gautherie.fr> Signed-off-by: Francois Gouget <fgouget@free.fr> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
379 lines
7.9 KiB
Perl
379 lines
7.9 KiB
Perl
#
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# Copyright 2002 Patrik Stridvall
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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#
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package c_type;
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use strict;
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use warnings 'all';
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use output qw($output);
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sub _refresh($);
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sub new($)
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{
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my ($proto) = @_;
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my $class = ref($proto) || $proto;
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my $self = {};
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bless $self, $class;
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return $self;
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}
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#
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# Callback setters
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#
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sub set_find_align_callback($$)
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{
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my ($self, $find_align) = @_;
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$self->{FIND_ALIGN} = $find_align;
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}
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sub set_find_kind_callback($$)
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{
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my ($self, $find_kind) = @_;
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$self->{FIND_KIND} = $find_kind;
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}
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sub set_find_size_callback($$)
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{
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my ($self, $find_size) = @_;
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$self->{FIND_SIZE} = $find_size;
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}
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sub set_find_count_callback($$)
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{
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my ($self, $find_count) = @_;
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$self->{FIND_COUNT} = $find_count;
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}
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#
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# Property setter / getter functions (each does both)
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#
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sub kind($;$)
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{
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my ($self, $kind) = @_;
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if (defined $kind)
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{
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$self->{KIND} = $kind;
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$self->{DIRTY} = 1;
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}
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$self->_refresh() if (!defined $self->{KIND});
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return $self->{KIND};
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}
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sub _name($;$)
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{
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my ($self, $_name) = @_;
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if (defined $_name)
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{
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$self->{_NAME} = $_name;
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$self->{DIRTY} = 1;
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}
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return $self->{_NAME};
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}
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sub name($;$)
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{
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my ($self, $name) = @_;
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if (defined $name)
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{
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$self->{NAME} = $name;
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$self->{DIRTY} = 1;
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}
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return $self->{NAME} if ($self->{NAME});
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return "$self->{KIND} $self->{_NAME}";
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}
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sub pack($;$)
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{
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my ($self, $pack) = @_;
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if (defined $pack)
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{
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$self->{PACK} = $pack;
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$self->{DIRTY} = 1;
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}
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return $self->{PACK};
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}
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sub align($)
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{
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my ($self) = @_;
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$self->_refresh();
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return $self->{ALIGN};
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}
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sub fields($)
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{
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my ($self) = @_;
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my $count = $self->field_count;
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my @fields = ();
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for (my $n = 0; $n < $count; $n++) {
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my $field = 'c_type_field'->new($self, $n);
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push @fields, $field;
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}
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return @fields;
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}
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sub field_base_sizes($)
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{
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my ($self) = @_;
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$self->_refresh();
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return $self->{FIELD_BASE_SIZES};
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}
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sub field_aligns($)
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{
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my ($self) = @_;
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$self->_refresh();
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return $self->{FIELD_ALIGNS};
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}
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sub field_count($)
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{
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my ($self) = @_;
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return scalar @{$self->{FIELD_TYPE_NAMES}};
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}
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sub field_names($;$)
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{
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my ($self, $field_names) = @_;
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if (defined $field_names)
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{
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$self->{FIELD_NAMES} = $field_names;
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$self->{DIRTY} = 1;
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}
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return $self->{FIELD_NAMES};
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}
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sub field_offsets($)
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{
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my ($self) = @_;
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$self->_refresh();
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return $self->{FIELD_OFFSETS};
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}
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sub field_sizes($)
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{
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my ($self) = @_;
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$self->_refresh();
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return $self->{FIELD_SIZES};
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}
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sub field_type_names($;$)
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{
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my ($self, $field_type_names) = @_;
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if (defined $field_type_names)
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{
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$self->{FIELD_TYPE_NAMES} = $field_type_names;
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$self->{DIRTY} = 1;
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}
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return $self->{FIELD_TYPE_NAMES};
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}
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sub size($)
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{
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my ($self) = @_;
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$self->_refresh();
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return $self->{SIZE};
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}
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sub _refresh($)
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{
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my ($self) = @_;
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return if (!$self->{DIRTY});
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my $pack = $self->pack;
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$pack = 8 if !defined($pack);
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my $max_field_align = 0;
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my $offset = 0;
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my $bitfield_size = 0;
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my $bitfield_bits = 0;
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my $n = 0;
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foreach my $field ($self->fields())
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{
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my $type_name = $field->type_name;
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my $bits;
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my $count;
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if ($type_name =~ s/^(.*?)\s*(?:\[\s*(.*?)\s*\]|:(\d+))?$/$1/)
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{
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$count = $2;
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$bits = $3;
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}
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my $declspec_align;
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if ($type_name =~ s/\s+DECLSPEC_ALIGN\((\d+)\)//)
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{
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$declspec_align=$1;
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}
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my $base_size = $self->{FIND_SIZE}($type_name);
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my $type_size=$base_size;
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if (defined $count)
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{
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$count=$self->{FIND_COUNT}($count) if ($count !~ /^\d+$/);
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if (!defined $count)
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{
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$type_size=undef;
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}
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else
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{
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if (!defined $type_size)
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{
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print STDERR "$type_name -> type_size=undef, count=$count\n";
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}
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else
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{
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$type_size *= int($count);
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}
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}
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}
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if ($bitfield_size != 0)
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{
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if (($type_name eq "" and defined $bits and $bits == 0) or
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(defined $type_size and $bitfield_size != $type_size) or
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!defined $bits or
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$bitfield_bits + $bits > 8 * $bitfield_size)
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{
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# This marks the end of the previous bitfield
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$bitfield_size=0;
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$bitfield_bits=0;
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}
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else
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{
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$bitfield_bits+=$bits;
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$n++;
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next;
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}
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}
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$self->{ALIGN} = $self->{FIND_ALIGN}($type_name);
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$self->{ALIGN} = $declspec_align if (defined $declspec_align);
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if (defined $self->{ALIGN})
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{
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$self->{ALIGN} = $pack if ($self->{ALIGN} > $pack);
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$max_field_align = $self->{ALIGN} if ($self->{ALIGN}) > $max_field_align;
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if ($offset % $self->{ALIGN} != 0) {
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$offset = (int($offset / $self->{ALIGN}) + 1) * $self->{ALIGN};
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}
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}
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if ($self->{KIND} !~ /^(?:struct|union)$/)
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{
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$self->{KIND} = $self->{FIND_KIND}($type_name) || "";
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}
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if (!$type_size)
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{
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$self->{ALIGN} = undef;
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$self->{SIZE} = undef;
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return;
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}
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$self->{FIELD_ALIGNS}->[$n] = $self->{ALIGN};
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$self->{FIELD_BASE_SIZES}->[$n] = $base_size;
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$self->{FIELD_OFFSETS}->[$n] = $offset;
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$self->{FIELD_SIZES}->[$n] = $type_size;
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$offset += $type_size;
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if ($bits)
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{
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$bitfield_size=$type_size;
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$bitfield_bits=$bits;
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}
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$n++;
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}
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$self->{ALIGN} = $pack;
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$self->{ALIGN} = $max_field_align if ($max_field_align < $pack);
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$self->{SIZE} = $offset;
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if ($self->{KIND} =~ /^(?:struct|union)$/) {
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if ($self->{SIZE} % $self->{ALIGN} != 0) {
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$self->{SIZE} = (int($self->{SIZE} / $self->{ALIGN}) + 1) * $self->{ALIGN};
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}
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}
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$self->{DIRTY} = 0;
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}
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package c_type_field;
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sub new($$$)
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{
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my ($proto, $type, $number) = @_;
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my $class = ref($proto) || $proto;
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my $self = {TYPE=> $type,
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NUMBER => $number
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};
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bless $self, $class;
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return $self;
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}
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sub align($)
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{
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my ($self) = @_;
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return undef unless defined $self->{TYPE}->field_aligns();
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return $self->{TYPE}->field_aligns()->[$self->{NUMBER}];
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}
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sub base_size($)
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{
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my ($self) = @_;
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return undef unless defined $self->{TYPE}->field_base_sizes();
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return $self->{TYPE}->field_base_sizes()->[$self->{NUMBER}];
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}
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sub name($)
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{
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my ($self) = @_;
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return undef unless defined $self->{TYPE}->field_names();
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return $self->{TYPE}->field_names()->[$self->{NUMBER}];
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}
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sub offset($)
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{
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my ($self) = @_;
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return undef unless defined $self->{TYPE}->field_offsets();
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return $self->{TYPE}->field_offsets()->[$self->{NUMBER}];
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}
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sub size($)
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{
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my ($self) = @_;
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return undef unless defined $self->{TYPE}->field_sizes();
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return $self->{TYPE}->field_sizes()->[$self->{NUMBER}];
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}
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sub type_name($)
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{
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my ($self) = @_;
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return $self->{TYPE}->field_type_names()->[$self->{NUMBER}];
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}
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1;
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