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package CExpr::Ref;
use 5.6.0;
use strict;
use warnings;
use CExpr;
our @ISA = qw/CExpr/;
sub new
{
my $this = shift;
my $class = ref($this) || $this;
my $name = shift;
my $self = {name => $name,
};
bless $self, $class;
return $self;
}
sub kind
{
return 'ordinary';
}
sub name
{
my $self = shift;
return $self->{name};
}
sub dump_c
{
my $self = shift;
return $self->{name};
}
sub compute
{
my $self = shift;
return $self->{value}->compute;
}
sub get_refs
{
my $self = shift;
return ($self);
}
sub layout
{
my $self = shift;
my $accept_incomplete = shift;
my $namespace = shift;
$accept_incomplete = 0;
my $data = $namespace->get($self->kind, $self->name);
die "Identifier $self->{name} is unknown" unless $data;
if ($data->isa('CType::Enum'))
{
# Whoops, this enum hasn't been laid out yet. Try it now.
$data->layout(0, $namespace);
$data = $namespace->get($self->kind, $self->name);
# If we still haven't got it, then this identifier must be
# defined later in the enum, so that's an error.
if ($data->isa('CType::Enum'))
{
die "Identifier $self->{name} is not defined yet";
}
}
if ($data->isa('CDecl'))
{
# NYI
die;
}
elsif ($data->isa('CDecl::Enumerator'))
{
$self->{value} = $data->value;
}
else
{
die "Unhandled value type " . ref $data;
}
}
1;
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