1 ###################################################
2 # utility functions to support pidl
3 # Copyright tridge@samba.org 2000
4 # released under the GNU GPL
5 package Parse::Pidl::Util;
9 @EXPORT = qw(has_property property_matches ParseExpr is_constant make_str print_uuid);
10 use vars qw($VERSION);
15 use Parse::Pidl::Expr;
17 #####################################################################
18 # a dumper wrapper to prevent dependence on the Data::Dumper module
19 # unless we actually need it
24 return Data::Dumper::Dumper($s);
27 #####################################################################
28 # see if a pidl property list contains a given property
33 return undef if (not defined($e->{PROPERTIES}));
35 return $e->{PROPERTIES}->{$p};
38 #####################################################################
39 # see if a pidl property matches a value
40 sub property_matches($$$)
44 if (!defined has_property($e, $p)) {
48 if ($e->{PROPERTIES}->{$p} =~ /$v/) {
55 # return 1 if the string is a C constant
59 return 1 if (defined $s && $s =~ /^\d+$/);
60 return 1 if (defined $s && $s =~ /^0x[0-9A-Fa-f]+$/);
64 # return a "" quoted string, unless already quoted
68 if (substr($str, 0, 1) eq "\"") {
78 my ($time_low,$time_mid,$time_hi,$clock_seq,$node) = split /-/, $uuid;
79 return undef if not defined($node);
81 my @clock_seq = $clock_seq =~ /(..)/g;
82 my @node = $node =~ /(..)/g;
84 return "{0x$time_low,0x$time_mid,0x$time_hi," .
85 "{".join(',', map {"0x$_"} @clock_seq)."}," .
86 "{".join(',', map {"0x$_"} @node)."}}";
89 # a hack to build on platforms that don't like negative enum values
91 sub setUseUintEnums($)
93 $useUintEnums = shift;
102 my($expr, $varlist) = @_;
104 die("Undefined value in ParseExpr") if not defined($expr);
106 my $x = new Parse::Pidl::Expr();
108 return $x->Run($expr, sub { my $x = shift; die(MyDumper($x)); },
111 return($varlist->{$x}) if (defined($varlist->{$x}));