/usr/share/perl5/Parse/Pidl/Typelist.pm is in libparse-pidl-perl 2:4.3.8+dfsg-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Samba4 parser generator for IDL structures
# Copyright jelmer@samba.org 2005
# released under the GNU GPL
package Parse::Pidl::Typelist;
require Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw(hasType getType resolveType mapTypeName scalar_is_reference expandAlias
mapScalarType addType typeIs is_signed is_scalar enum_type_fn
bitmap_type_fn mapType typeHasBody is_fixed_size_scalar
);
use vars qw($VERSION);
$VERSION = '0.01';
use Parse::Pidl::Util qw(has_property);
use strict;
my %types = ();
my @reference_scalars = (
"string", "string_array", "nbt_string", "dns_string",
"wrepl_nbt_name", "dnsp_name", "dnsp_string",
"ipv4address", "ipv6address"
);
my @non_fixed_size_scalars = (
"string", "string_array", "nbt_string", "dns_string",
"wrepl_nbt_name", "dnsp_name", "dnsp_string"
);
# a list of known scalar types
my %scalars = (
"void" => "void",
"char" => "char",
"int8" => "int8_t",
"uint8" => "uint8_t",
"int16" => "int16_t",
"uint16" => "uint16_t",
"int1632" => "int16_t",
"uint1632" => "uint16_t",
"int32" => "int32_t",
"uint32" => "uint32_t",
"int3264" => "int32_t",
"uint3264" => "uint32_t",
"hyper" => "uint64_t",
"dlong" => "int64_t",
"udlong" => "uint64_t",
"udlongr" => "uint64_t",
"double" => "double",
"pointer" => "void*",
"DATA_BLOB" => "DATA_BLOB",
"string" => "const char *",
"string_array" => "const char **",
"time_t" => "time_t",
"uid_t" => "uid_t",
"gid_t" => "gid_t",
"NTTIME" => "NTTIME",
"NTTIME_1sec" => "NTTIME",
"NTTIME_hyper" => "NTTIME",
"WERROR" => "WERROR",
"HRESULT" => "HRESULT",
"NTSTATUS" => "NTSTATUS",
"COMRESULT" => "COMRESULT",
"dns_string" => "const char *",
"nbt_string" => "const char *",
"wrepl_nbt_name"=> "struct nbt_name *",
"ipv4address" => "const char *",
"ipv6address" => "const char *",
"dnsp_name" => "const char *",
"dnsp_string" => "const char *",
);
my %aliases = (
"error_status_t" => "uint32",
"boolean8" => "uint8",
"boolean32" => "uint32",
"DWORD" => "uint32",
"uint" => "uint32",
"int" => "int32",
"WORD" => "uint16",
"char" => "uint8",
"long" => "int32",
"short" => "int16",
"HYPER_T" => "hyper",
"mode_t" => "uint32",
);
sub expandAlias($)
{
my $name = shift;
return $aliases{$name} if defined($aliases{$name});
return $name;
}
# map from a IDL type to a C header type
sub mapScalarType($)
{
my $name = shift;
# it's a bug when a type is not in the list
# of known scalars or has no mapping
return $scalars{$name} if defined($scalars{$name});
die("Unknown scalar type $name");
}
sub addType($)
{
my $t = shift;
$types{$t->{NAME}} = $t;
}
sub resolveType($)
{
my ($ctype) = @_;
if (not hasType($ctype)) {
# assume struct typedef
return { TYPE => "TYPEDEF", NAME => $ctype, DATA => { TYPE => "STRUCT" } };
} else {
return getType($ctype);
}
return $ctype;
}
sub getType($)
{
my $t = shift;
return ($t) if (ref($t) eq "HASH" and not defined($t->{NAME}));
return undef if not hasType($t);
return $types{$t->{NAME}} if (ref($t) eq "HASH");
return $types{$t};
}
sub typeIs($$);
sub typeIs($$)
{
my ($t,$tt) = @_;
if (ref($t) eq "HASH") {
return 1 if ($t->{TYPE} eq "TYPEDEF" and $t->{DATA}->{TYPE} eq $tt);
return 1 if ($t->{TYPE} eq $tt);
return 0;
}
if (hasType($t) and getType($t)->{TYPE} eq "TYPEDEF") {
return typeIs(getType($t)->{DATA}, $tt);
}
return 0;
}
sub hasType($)
{
my $t = shift;
if (ref($t) eq "HASH") {
return 1 if (not defined($t->{NAME}));
return 1 if (defined($types{$t->{NAME}}) and
$types{$t->{NAME}}->{TYPE} eq $t->{TYPE});
return 0;
}
return 1 if defined($types{$t});
return 0;
}
sub is_signed($)
{
my $t = shift;
return ($t eq "int8"
or $t eq "int16"
or $t eq "int32"
or $t eq "dlong"
or $t eq "int"
or $t eq "long"
or $t eq "short");
}
sub is_scalar($)
{
sub is_scalar($);
my $type = shift;
return 1 if (ref($type) eq "HASH" and
($type->{TYPE} eq "SCALAR" or $type->{TYPE} eq "ENUM" or
$type->{TYPE} eq "BITMAP"));
if (my $dt = getType($type)) {
return is_scalar($dt->{DATA}) if ($dt->{TYPE} eq "TYPEDEF");
return 1 if ($dt->{TYPE} eq "SCALAR" or $dt->{TYPE} eq "ENUM" or
$dt->{TYPE} eq "BITMAP");
}
return 0;
}
sub is_fixed_size_scalar($)
{
my $name = shift;
return 0 unless is_scalar($name);
return 0 if (grep(/^$name$/, @non_fixed_size_scalars));
return 1;
}
sub scalar_is_reference($)
{
my $name = shift;
return 1 if (grep(/^$name$/, @reference_scalars));
return 0;
}
sub RegisterScalars()
{
foreach (keys %scalars) {
addType({
NAME => $_,
TYPE => "TYPEDEF",
BASEFILE => "<builtin>",
DATA => {
TYPE => "SCALAR",
NAME => $_
}
}
);
}
}
sub enum_type_fn($)
{
my $enum = shift;
$enum->{TYPE} eq "ENUM" or die("not an enum");
# for typedef enum { } we need to check $enum->{PARENT}
if (has_property($enum, "enum8bit")) {
return "uint8";
} elsif (has_property($enum, "enum16bit")) {
return "uint16";
} elsif (has_property($enum, "v1_enum")) {
return "uint32";
} elsif (has_property($enum->{PARENT}, "enum8bit")) {
return "uint8";
} elsif (has_property($enum->{PARENT}, "enum16bit")) {
return "uint16";
} elsif (has_property($enum->{PARENT}, "v1_enum")) {
return "uint32";
}
return "uint1632";
}
sub bitmap_type_fn($)
{
my $bitmap = shift;
$bitmap->{TYPE} eq "BITMAP" or die("not a bitmap");
if (has_property($bitmap, "bitmap8bit")) {
return "uint8";
} elsif (has_property($bitmap, "bitmap16bit")) {
return "uint16";
} elsif (has_property($bitmap, "bitmap64bit")) {
return "hyper";
}
return "uint32";
}
sub typeHasBody($)
{
sub typeHasBody($);
my ($e) = @_;
if ($e->{TYPE} eq "TYPEDEF") {
return 0 unless(defined($e->{DATA}));
return typeHasBody($e->{DATA});
}
return defined($e->{ELEMENTS});
}
sub mapType($$)
{
sub mapType($$);
my ($t, $n) = @_;
return mapType($t->{DATA}, $n) if ($t->{TYPE} eq "TYPEDEF");
return mapScalarType($n) if ($t->{TYPE} eq "SCALAR");
return "enum $n" if ($t->{TYPE} eq "ENUM");
return "struct $n" if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "INTERFACE");
return "union $n" if ($t->{TYPE} eq "UNION");
return mapScalarType(bitmap_type_fn($t)) if ($t->{TYPE} eq "BITMAP");
return "struct $n" if ($t->{TYPE} eq "PIPE");
die("Unknown type $t->{TYPE}");
}
sub mapTypeName($)
{
my $t = shift;
return "void" unless defined($t);
my $dt;
$t = expandAlias($t);
if ($dt = getType($t)) {
return mapType($dt, $dt->{NAME});
} elsif (ref($t) eq "HASH" and defined($t->{NAME})) {
return mapType($t, $t->{NAME});
} else {
# Best guess
return "struct $t";
}
}
sub LoadIdl($;$)
{
my $idl = shift;
my $basename = shift;
foreach my $x (@{$idl}) {
next if $x->{TYPE} ne "INTERFACE";
# DCOM interfaces can be types as well
addType({
NAME => $x->{NAME},
TYPE => "TYPEDEF",
DATA => $x,
BASEFILE => $basename,
}) if (has_property($x, "object"));
foreach my $y (@{$x->{DATA}}) {
if ($y->{TYPE} eq "TYPEDEF"
or $y->{TYPE} eq "UNION"
or $y->{TYPE} eq "STRUCT"
or $y->{TYPE} eq "ENUM"
or $y->{TYPE} eq "BITMAP"
or $y->{TYPE} eq "PIPE") {
$y->{BASEFILE} = $basename;
addType($y);
}
}
}
}
sub GenerateTypeLib()
{
return Parse::Pidl::Util::MyDumper(\%types);
}
RegisterScalars();
1;
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