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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 = qw(hasType getType mapType);
use Parse::Pidl::Util qw(has_property);
use strict;
my %typedefs = ();
# a list of known scalar types
my $scalars = {
# 0 byte types
"void" => {
C_TYPE => "void",
IS_REFERENCE => 0,
NDR_ALIGN => 0
},
# 1 byte types
"char" => {
C_TYPE => "char",
IS_REFERENCE => 0,
NDR_ALIGN => 1
},
"int8" => {
C_TYPE => "int8_t",
IS_REFERENCE => 0,
NDR_ALIGN => 1
},
"uint8" => {
C_TYPE => "uint8_t",
IS_REFERENCE => 0,
NDR_ALIGN => 1
},
# 2 byte types
"int16" => {
C_TYPE => "int16_t",
IS_REFERENCE => 0,
NDR_ALIGN => 2
},
"uint16" => { C_TYPE => "uint16_t",
IS_REFERENCE => 0,
NDR_ALIGN => 2
},
# 4 byte types
"int32" => {
C_TYPE => "int32_t",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
"uint32" => { C_TYPE => "uint32_t",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
# 8 byte types
"hyper" => {
C_TYPE => "uint64_t",
IS_REFERENCE => 0,
NDR_ALIGN => 8
},
"dlong" => {
C_TYPE => "int64_t",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
"udlong" => {
C_TYPE => "uint64_t",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
"udlongr" => {
C_TYPE => "uint64_t",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
# DATA_BLOB types
"DATA_BLOB" => {
C_TYPE => "DATA_BLOB",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
# string types
"string" => {
C_TYPE => "const char *",
IS_REFERENCE => 1,
NDR_ALIGN => 4 #???
},
"string_array" => {
C_TYPE => "const char **",
IS_REFERENCE => 1,
NDR_ALIGN => 4 #???
},
# time types
"time_t" => {
C_TYPE => "time_t",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
"NTTIME" => {
C_TYPE => "NTTIME",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
"NTTIME_1sec" => {
C_TYPE => "NTTIME",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
"NTTIME_hyper" => {
C_TYPE => "NTTIME",
IS_REFERENCE => 0,
NDR_ALIGN => 8
},
# error code types
"WERROR" => {
C_TYPE => "WERROR",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
"NTSTATUS" => {
C_TYPE => "NTSTATUS",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
"COMRESULT" => {
"C_TYPE" => "COMRESULT",
IS_REFERENCE => 0,
NDR_ALIGN => 4
},
# special types
"nbt_string" => {
C_TYPE => "const char *",
IS_REFERENCE => 1,
NDR_ALIGN => 4 #???
},
"ipv4address" => {
C_TYPE => "const char *",
IS_REFERENCE => 1,
NDR_ALIGN => 4
}
};
# 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 $typedefs{$name}->{DATA}->{C_TYPE} if defined($typedefs{$name}) and defined($typedefs{$name}->{DATA}->{C_TYPE});
die("Unknown scalar type $name");
}
sub getScalarAlignment($)
{
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}{NDR_ALIGN} if defined($scalars->{$name}) and defined($scalars->{$name}{NDR_ALIGN});
die("Unknown scalar type $name");
}
sub addType($)
{
my $t = shift;
$typedefs{$t->{NAME}} = $t;
}
sub getType($)
{
my $t = shift;
return undef if not hasType($t);
return $typedefs{$t};
}
sub typeIs($$)
{
my $t = shift;
my $tt = shift;
return 1 if (hasType($t) and getType($t)->{DATA}->{TYPE} eq $tt);
return 0;
}
sub hasType($)
{
my $t = shift;
return 1 if defined($typedefs{$t});
return 0;
}
sub is_scalar($)
{
my $type = shift;
return 0 unless(hasType($type));
if (my $dt = getType($type)->{DATA}->{TYPE}) {
return 1 if ($dt eq "SCALAR" or $dt eq "ENUM" or $dt eq "BITMAP");
}
return 0;
}
sub scalar_is_reference($)
{
my $name = shift;
return $scalars->{$name}{IS_REFERENCE} if defined($scalars->{$name}) and defined($scalars->{$name}{IS_REFERENCE});
return 0;
}
sub RegisterScalars()
{
foreach my $k (keys %{$scalars}) {
$typedefs{$k} = {
NAME => $k,
TYPE => "TYPEDEF",
DATA => $scalars->{$k}
};
$typedefs{$k}->{DATA}->{TYPE} = "SCALAR";
$typedefs{$k}->{DATA}->{NAME} = $k;
}
}
my $aliases = {
"DWORD" => "uint32",
"int" => "int32",
"WORD" => "uint16",
"char" => "uint8",
"long" => "int32",
"short" => "int16",
"HYPER_T" => "hyper",
"HRESULT" => "COMRESULT",
};
sub RegisterAliases()
{
foreach my $k (keys %{$aliases}) {
$typedefs{$k} = $typedefs{$aliases->{$k}};
}
}
sub enum_type_fn($)
{
my $enum = shift;
if (has_property($enum->{PARENT}, "enum8bit")) {
return "uint8";
} elsif (has_property($enum->{PARENT}, "v1_enum")) {
return "uint32";
}
return "uint16";
}
sub bitmap_type_fn($)
{
my $bitmap = shift;
if (has_property($bitmap, "bitmap8bit")) {
return "uint8";
} elsif (has_property($bitmap, "bitmap16bit")) {
return "uint16";
} elsif (has_property($bitmap, "bitmap64bit")) {
return "hyper";
}
return "uint32";
}
sub mapType($)
{
my $t = shift;
die("Undef passed to mapType") unless defined($t);
my $dt;
unless ($dt or ($dt = getType($t))) {
# Best guess
return "struct $t";
}
return mapScalarType($t) if ($dt->{DATA}->{TYPE} eq "SCALAR");
return "enum $dt->{NAME}" if ($dt->{DATA}->{TYPE} eq "ENUM");
return "struct $dt->{NAME}" if ($dt->{DATA}->{TYPE} eq "STRUCT");
return "struct $dt->{NAME}" if ($dt->{DATA}->{TYPE} eq "INTERFACE");
return "union $dt->{NAME}" if ($dt->{DATA}->{TYPE} eq "UNION");
if ($dt->{DATA}->{TYPE} eq "BITMAP") {
return mapScalarType(bitmap_type_fn($dt->{DATA}));
}
die("Unknown type $dt->{DATA}->{TYPE}");
}
sub LoadIdl($)
{
my $idl = 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 => $x
}) if (has_property($x, "object"));
foreach my $y (@{$x->{DATA}}) {
addType($y) if (
$y->{TYPE} eq "TYPEDEF"
or $y->{TYPE} eq "DECLARE");
}
}
}
RegisterScalars();
RegisterAliases();
1;
|
