134 lines
2.7 KiB
Perl
134 lines
2.7 KiB
Perl
###################################################
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# Common Samba4 functions
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# Copyright jelmer@samba.org 2006
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# released under the GNU GPL
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package Parse::Pidl::Samba4;
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require Exporter;
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@ISA = qw(Exporter);
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@EXPORT = qw(is_intree choose_header NumStars ElementStars ArrayBrackets DeclLong ArrayDynamicallyAllocated);
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use Parse::Pidl::Util qw(has_property is_constant);
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use Parse::Pidl::NDR qw(GetNextLevel);
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use Parse::Pidl::Typelist qw(mapTypeName scalar_is_reference);
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use Parse::Pidl qw(fatal error);
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use strict;
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use vars qw($VERSION);
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$VERSION = '0.01';
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# return true if we are using pidl within the samba source tree. This changes
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# the names of include files, as some include files (such as ntstatus.h) have
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# different paths when installed to the patch in the source tree
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sub is_intree()
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{
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my $srcdir = $ENV{srcdir};
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$srcdir = $srcdir ? "$srcdir/" : "";
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return 1 if (-f "${srcdir}kdc/kdc.c");
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return 1 if (-d "${srcdir}source4");
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return 1 if (-f "${srcdir}include/smb.h");
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return 0;
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}
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# Return an #include line depending on whether this build is an in-tree
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# build or not.
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sub choose_header($$)
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{
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my ($in,$out) = @_;
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return "#include \"$in\"" if (is_intree());
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return "#include <$out>";
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}
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sub ArrayDynamicallyAllocated($$)
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{
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my ($e, $l) = @_;
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die("Not an array") unless ($l->{TYPE} eq "ARRAY");
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return 0 if ($l->{IS_FIXED} and not has_property($e, "charset"));
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return 1;
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}
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sub NumStars($;$)
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{
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my ($e, $d) = @_;
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$d = 0 unless defined($d);
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my $n = 0;
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foreach my $l (@{$e->{LEVELS}}) {
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next unless ($l->{TYPE} eq "POINTER");
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my $nl = GetNextLevel($e, $l);
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next if (defined($nl) and $nl->{TYPE} eq "ARRAY");
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$n++;
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}
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if ($n >= 1) {
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$n-- if (scalar_is_reference($e->{TYPE}));
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}
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foreach my $l (@{$e->{LEVELS}}) {
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next unless ($l->{TYPE} eq "ARRAY");
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next unless (ArrayDynamicallyAllocated($e, $l));
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$n++;
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}
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error($e->{ORIGINAL}, "Too few pointers $n < $d") if ($n < $d);
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$n -= $d;
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return $n;
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}
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sub ElementStars($;$)
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{
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my ($e, $d) = @_;
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my $res = "";
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my $n = 0;
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$n = NumStars($e, $d);
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$res .= "*" foreach (1..$n);
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return $res;
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}
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sub ArrayBrackets($)
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{
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my ($e) = @_;
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my $res = "";
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foreach my $l (@{$e->{LEVELS}}) {
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next unless ($l->{TYPE} eq "ARRAY");
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next if ArrayDynamicallyAllocated($e, $l);
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$res .= "[$l->{SIZE_IS}]";
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}
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return $res;
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}
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sub DeclLong($;$)
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{
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my ($e, $p) = @_;
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my $res = "";
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$p = "" unless defined($p);
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if (has_property($e, "represent_as")) {
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$res .= mapTypeName($e->{PROPERTIES}->{represent_as})." ";
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} else {
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if (has_property($e, "charset")) {
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$res .= "const char ";
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} else {
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$res .= mapTypeName($e->{TYPE})." ";
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}
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$res .= ElementStars($e);
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}
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$res .= $p.$e->{NAME};
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$res .= ArrayBrackets($e);
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return $res;
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}
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1;
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