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|
###################################################
# Samba3 type-specific declarations / initialization / marshalling
# Copyright jelmer@samba.org 2005
# released under the GNU GPL
package Parse::Pidl::Samba3::Types;
require Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw(DeclShort DeclLong InitType DissectType AddType);
use strict;
use Parse::Pidl::Util qw(has_property ParseExpr);
use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred);
use vars qw($VERSION);
$VERSION = '0.01';
# TODO: Find external types somehow?
sub warning($$) { my ($e,$s) = @_; print STDERR "$e->{FILE}:$e->{LINE}: $s\n"; }
sub init_scalar($$$$)
{
my ($e,$l,$n,$v) = @_;
return "$n = $v;";
}
sub dissect_scalar($$$)
{
my ($e,$l,$n) = @_;
my $t = lc($e->{TYPE});
return "prs_$t(\"$e->{NAME}\", ps, depth, &$n)";
}
sub decl_string($)
{
my $e = shift;
# FIXME: More intelligent code here - select between UNISTR2 and other
# variants
return "UNISTR2";
}
sub init_string($$$$)
{
my ($e,$l,$n,$v) = @_;
return "init_unistr2(&$n, $v, UNI_FLAGS_NONE);";
}
sub dissect_string($$$)
{
my ($e,$l,$n) = @_;
return "prs_unistr2(True, \"$e->{NAME}\", ps, depth, &n)";
}
sub init_uuid($$$$)
{
my ($e,$l,$n,$v) = @_;
return "";
}
sub dissect_uuid($$$)
{
my ($e,$l,$n) = @_;
return "smb_io_uuid(\"$e->{NAME}\", &$n, ps, depth)";
}
my $known_types =
{
uint8 =>
{
DECL => "uint8",
INIT => \&init_scalar,
DISSECT => \&dissect_scalar,
},
uint16 =>
{
DECL => "uint16",
INIT => \&init_scalar,
DISSECT => \&dissect_scalar,
},
uint32 =>
{
DECL => "uint32",
INIT => \&init_scalar,
DISSECT => \&dissect_scalar,
},
string =>
{
DECL => \&decl_string,
INIT => \&init_string,
DISSECT => \&dissect_string,
},
NTSTATUS =>
{
DECL => "NTSTATUS",
INIT => \&init_scalar,
DISSECT => \&dissect_scalar,
},
WERROR =>
{
DECL => "WERROR",
INIT => \&init_scalar,
DISSECT => \&dissect_scalar,
},
GUID =>
{
DECL => "struct uuid",
INIT => \&init_uuid,
DISSECT => \&dissect_uuid,
}
};
sub AddType($$)
{
my ($t,$d) = @_;
warn("Reregistering type $t") if (defined($known_types->{$t}));
$known_types->{$t} = $d;
}
sub GetType($)
{
my $e = shift;
my $t = $known_types->{$e->{TYPE}};
if (not $t) {
warning($e, "Can't declare unknown type $e->{TYPE}");
return undef;
}
# DECL can be a function
if (ref($t->{DECL}) eq "CODE") {
return $t->{DECL}->($e);
} else {
return $t->{DECL};
}
}
# Return type without special stuff, as used in
# struct declarations
sub DeclShort($)
{
my $e = shift;
my $t = GetType($e);
return undef if not $t;
return "$t $e->{NAME}";
}
sub DeclLong($)
{
my $e = shift;
my $t = GetType($e);
return undef if not $t;
my $ptrs = "";
foreach my $l (@{$e->{LEVELS}}) {
($ptrs.="*") if ($l->{TYPE} eq "POINTER");
}
return "$t $ptrs$e->{NAME}";
}
sub InitType($$$$)
{
my ($e, $l, $varname, $value) = @_;
my $t = $known_types->{$l->{DATA_TYPE}};
if (not $t) {
warning($e, "Don't know how to initialize type $l->{DATA_TYPE}");
return undef;
}
# INIT can be a function
if (ref($t->{INIT}) eq "CODE") {
return $t->{INIT}->($e, $l, $varname, $value);
} else {
return $t->{INIT};
}
}
sub DissectType($$$)
{
my ($e, $l, $varname) = @_;
my $t = $known_types->{$l->{DATA_TYPE}};
if (not $t) {
warning($e, "Don't know how to dissect type $l->{DATA_TYPE}");
return undef;
}
# DISSECT can be a function
if (ref($t->{DISSECT}) eq "CODE") {
return $t->{DISSECT}->($e, $l, $varname);
} else {
return $t->{DISSECT};
}
}
sub LoadTypes($)
{
my $ndr = shift;
foreach my $if (@{$ndr}) {
next unless ($if->{TYPE} eq "INTERFACE");
foreach my $td (@{$if->{TYPEDEFS}}) {
AddType($td->{NAME}, {
DECL => uc("$if->{NAME}_$td->{NAME}"),
INIT => sub {
my ($e,$l,$n,$v) = @_;
return "init_$td->{NAME}(&$n/*FIXME:OTHER ARGS*/);";
},
DISSECT => sub {
my ($e,$l,$n) = @_;
return "$if->{NAME}_io_$td->{NAME}(\"$e->{NAME}\", &$n, ps, depth)";
}
});
}
}
}
1;
|
