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);
13 #####################################################################
14 # flatten an array of arrays into a single array
27 #####################################################################
28 # flatten an array of arrays into a single array
41 #####################################################################
42 # flatten an array of hashes into a single hash
48 for my $k (keys %{$d}) {
55 #####################################################################
56 # a dumper wrapper to prevent dependence on the Data::Dumper module
57 # unless we actually need it
62 return Data::Dumper::Dumper($s);
65 #####################################################################
66 # see if a pidl property list contains a given property
72 if (!defined $e->{PROPERTIES}) {
76 return $e->{PROPERTIES}->{$p};
79 #####################################################################
80 # see if a pidl property matches a value
81 sub property_matches($$$)
87 if (!defined has_property($e, $p)) {
91 if ($e->{PROPERTIES}->{$p} =~ /$v/) {
98 # return 1 if the string is a C constant
102 if (defined $s && $s =~ /^\d/) {
108 # return a "" quoted string, unless already quoted
112 if (substr($str, 0, 1) eq "\"") {
115 return "\"" . $str . "\"";
118 # a hack to build on platforms that don't like negative enum values
119 my $useUintEnums = 0;
120 sub setUseUintEnums($)
122 $useUintEnums = shift;
126 return $useUintEnums;
131 my($expr,$varlist) = @_;
133 die("Undefined value in ParseExpr") if not defined($expr);
135 my @tokens = split /((?:[A-Za-z_])(?:(?:(?:[A-Za-z0-9_.])|(?:->))+))/, $expr;
138 foreach my $t (@tokens) {
139 if (defined($varlist->{$t})) {
140 $ret .= $varlist->{$t};