blob: c4720a737fad9e0b9a0e9e40c13a80b5131f08e9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
###################################################
# check that a parsed IDL file is valid
# Copyright tridge@samba.org 2003
# released under the GNU GPL
package IdlValidator;
use strict;
#####################################################################
# signal a fatal validation error
sub fatal($)
{
my $s = shift;
print "$s\n";
die "IDL is not valid\n";
}
sub el_name($)
{
my $e = shift;
if ($e->{PARENT} && $e->{PARENT}->{NAME}) {
return "$e->{PARENT}->{NAME}.$e->{NAME}";
}
if ($e->{PARENT} && $e->{PARENT}->{PARENT}->{NAME}) {
return "$e->{PARENT}->{PARENT}->{NAME}.$e->{NAME}";
}
if ($e->{PARENT}) {
return "$e->{PARENT}->{NAME}.$e->{NAME}";
}
return $e->{NAME};
}
#####################################################################
# parse a struct
sub ValidElement($)
{
my $e = shift;
if ($e->{POINTERS} && $e->{POINTERS} > 1) {
fatal(el_name($e) . " : pidl cannot handle multiple pointer levels. Use a sub-structure containing a pointer instead\n");
}
if ($e->{POINTERS} && $e->{ARRAY_LEN}) {
fatal(el_name($e) . " : pidl cannot handle pointers to arrays. Use a substructure instead\n");
}
}
#####################################################################
# parse a struct
sub ValidStruct($)
{
my($struct) = shift;
foreach my $e (@{$struct->{ELEMENTS}}) {
$e->{PARENT} = $struct;
ValidElement($e);
}
}
#####################################################################
# parse a union
sub ValidUnion($)
{
my($union) = shift;
foreach my $e (@{$union->{DATA}}) {
$e->{PARENT} = $union;
ValidElement($e);
}
}
#####################################################################
# parse a typedef
sub ValidTypedef($)
{
my($typedef) = shift;
my $data = $typedef->{DATA};
$data->{PARENT} = $typedef;
if (ref($data) eq "HASH") {
if ($data->{TYPE} eq "STRUCT") {
ValidStruct($data);
}
if ($data->{TYPE} eq "UNION") {
ValidUnion($data);
}
}
}
#####################################################################
# parse a function
sub ValidFunction($)
{
my($fn) = shift;
foreach my $e (@{$fn->{DATA}}) {
$e->{PARENT} = $fn;
if (util::has_property($e, "ref") && !$e->{POINTERS}) {
fatal "[ref] variables must be pointers ($fn->{NAME}/$e->{NAME})\n";
}
ValidElement($e);
}
}
#####################################################################
# parse the interface definitions
sub ValidInterface($)
{
my($interface) = shift;
my($data) = $interface->{DATA};
if (util::has_property($interface, "object") &&
util::has_property($interface, "version") &&
$interface->{PROPERTIES}->{version} != 0) {
fatal "Object interfaces must have version 0.0\n";
}
foreach my $d (@{$data}) {
($d->{TYPE} eq "TYPEDEF") &&
ValidTypedef($d);
($d->{TYPE} eq "FUNCTION") &&
ValidFunction($d);
}
}
#####################################################################
# parse a parsed IDL into a C header
sub Validate($)
{
my($idl) = shift;
foreach my $x (@{$idl}) {
($x->{TYPE} eq "INTERFACE") &&
ValidInterface($x);
}
}
1;
|
