1 ###################################################
2 # create C header files for an IDL structure
3 # Copyright tridge@samba.org 2000
4 # Copyright jelmer@samba.org 2005
5 # released under the GNU GPL
7 package Parse::Pidl::Samba4::Header;
10 use Parse::Pidl qw(fatal);
11 use Parse::Pidl::Typelist qw(mapTypeName scalar_is_reference);
12 use Parse::Pidl::Util qw(has_property is_constant unmake_str);
13 use Parse::Pidl::Samba4 qw(is_intree ElementStars ArrayBrackets);
15 use vars qw($VERSION);
21 sub pidl($) { $res .= shift; }
26 $res .="\t" foreach (1..$tab_depth);
30 #####################################################################
31 # parse a properties list
32 sub HeaderProperties($$)
34 my($props,$ignores) = @_;
37 foreach my $d (keys %{$props}) {
38 next if (grep(/^$d$/, @$ignores));
39 if($props->{$d} ne "1") {
40 $ret.= "$d($props->{$d}),";
47 pidl "/* [" . substr($ret, 0, -1) . "] */";
51 #####################################################################
52 # parse a structure element
58 if (has_property($element, "represent_as")) {
59 pidl mapTypeName($element->{PROPERTIES}->{represent_as})." ";
61 if (ref($element->{TYPE}) eq "HASH") {
62 HeaderType($element, $element->{TYPE}, $element->{TYPE}->{NAME});
64 HeaderType($element, $element->{TYPE}, "");
66 pidl " ".ElementStars($element);
68 pidl $element->{NAME};
69 pidl ArrayBrackets($element);
72 if (defined $element->{PROPERTIES}) {
73 HeaderProperties($element->{PROPERTIES}, ["in", "out"]);
78 #####################################################################
82 my($struct,$name) = @_;
84 return if (not defined($struct->{ELEMENTS}));
88 foreach (@{$struct->{ELEMENTS}}) {
93 # some compilers can't handle empty structures
94 pidl tabs()."char _empty_;\n";
98 if (defined $struct->{PROPERTIES}) {
99 HeaderProperties($struct->{PROPERTIES}, []);
103 #####################################################################
107 my($enum,$name) = @_;
110 pidl "#ifndef USE_UINT_ENUMS\n";
111 pidl "enum $name {\n";
113 if (defined($enum->{ELEMENTS})) {
114 foreach my $e (@{$enum->{ELEMENTS}}) {
115 unless ($first) { pidl ",\n"; }
126 pidl "enum $name { __donnot_use_enum_$name=0x7FFFFFFF}\n";
129 if (defined($enum->{ELEMENTS})) {
130 foreach my $e (@{$enum->{ELEMENTS}}) {
134 if ($t =~ /(.*)=(.*)/) {
138 fatal($e->{ORIGINAL}, "you can't mix enum member with values and without values!")
139 unless ($without_val == 0);
144 fatal($e->{ORIGINAL}, "you can't mix enum member with values and without values!")
145 unless ($with_val == 0);
147 pidl "#define $name ( $value )\n";
153 #####################################################################
157 my($bitmap,$name) = @_;
159 return unless defined($bitmap->{ELEMENTS});
161 pidl "/* bitmap $name */\n";
162 pidl "#define $_\n" foreach (@{$bitmap->{ELEMENTS}});
166 #####################################################################
170 my($union,$name) = @_;
174 return if (not defined($union->{ELEMENTS}));
177 foreach my $e (@{$union->{ELEMENTS}}) {
178 if ($e->{TYPE} ne "EMPTY") {
179 if (! defined $done{$e->{NAME}}) {
182 $done{$e->{NAME}} = 1;
188 if (defined $union->{PROPERTIES}) {
189 HeaderProperties($union->{PROPERTIES}, []);
193 #####################################################################
197 my($e,$data,$name) = @_;
198 if (ref($data) eq "HASH") {
199 ($data->{TYPE} eq "ENUM") && HeaderEnum($data, $name);
200 ($data->{TYPE} eq "BITMAP") && HeaderBitmap($data, $name);
201 ($data->{TYPE} eq "STRUCT") && HeaderStruct($data, $name);
202 ($data->{TYPE} eq "UNION") && HeaderUnion($data, $name);
206 if (has_property($e, "charset")) {
209 pidl mapTypeName($e->{TYPE});
213 #####################################################################
217 my($typedef) = shift;
218 HeaderType($typedef, $typedef->{DATA}, $typedef->{NAME});
221 #####################################################################
226 if (!defined($const->{ARRAY_LEN}[0])) {
227 pidl "#define $const->{NAME}\t( $const->{VALUE} )\n";
229 pidl "#define $const->{NAME}\t $const->{VALUE}\n";
233 sub ElementDirection($)
237 return "inout" if (has_property($e, "in") and has_property($e, "out"));
238 return "in" if (has_property($e, "in"));
239 return "out" if (has_property($e, "out"));
243 #####################################################################
245 sub HeaderFunctionInOut($$)
249 return unless defined($fn->{ELEMENTS});
251 foreach my $e (@{$fn->{ELEMENTS}}) {
252 HeaderElement($e) if (ElementDirection($e) eq $prop);
256 #####################################################################
257 # determine if we need an "in" or "out" section
258 sub HeaderFunctionInOut_needed($$)
262 return 1 if ($prop eq "out" && defined($fn->{RETURN_TYPE}));
264 return undef unless defined($fn->{ELEMENTS});
266 foreach my $e (@{$fn->{ELEMENTS}}) {
267 return 1 if (ElementDirection($e) eq $prop);
275 #####################################################################
277 sub HeaderFunction($)
281 return if ($headerstructs{$fn->{NAME}});
283 $headerstructs{$fn->{NAME}} = 1;
285 pidl "\nstruct $fn->{NAME} {\n";
289 if (HeaderFunctionInOut_needed($fn, "in") or
290 HeaderFunctionInOut_needed($fn, "inout")) {
291 pidl tabs()."struct {\n";
293 HeaderFunctionInOut($fn, "in");
294 HeaderFunctionInOut($fn, "inout");
296 pidl tabs()."} in;\n\n";
300 if (HeaderFunctionInOut_needed($fn, "out") or
301 HeaderFunctionInOut_needed($fn, "inout")) {
302 pidl tabs()."struct {\n";
304 HeaderFunctionInOut($fn, "out");
305 HeaderFunctionInOut($fn, "inout");
306 if (defined($fn->{RETURN_TYPE})) {
307 pidl tabs().mapTypeName($fn->{RETURN_TYPE}) . " result;\n";
310 pidl tabs()."} out;\n\n";
315 # sigh - some compilers don't like empty structures
316 pidl tabs()."int _dummy_element;\n";
329 pidl "#include \"librpc/gen_ndr/$_\.h\"\n";
336 foreach (@includes) {
337 pidl "#include $_\n";
341 #####################################################################
342 # parse the interface definitions
343 sub HeaderInterface($)
345 my($interface) = shift;
347 pidl "#ifndef _HEADER_$interface->{NAME}\n";
348 pidl "#define _HEADER_$interface->{NAME}\n\n";
350 foreach my $c (@{$interface->{CONSTS}}) {
354 foreach my $t (@{$interface->{TYPES}}) {
355 HeaderTypedef($t) if ($t->{TYPE} eq "TYPEDEF");
356 HeaderStruct($t, $t->{NAME}) if ($t->{TYPE} eq "STRUCT");
357 HeaderUnion($t, $t->{NAME}) if ($t->{TYPE} eq "UNION");
358 HeaderEnum($t, $t->{NAME}) if ($t->{TYPE} eq "ENUM");
359 HeaderBitmap($t, $t->{NAME}) if ($t->{TYPE} eq "BITMAP");
360 pidl ";\n\n" if ($t->{TYPE} eq "BITMAP" or
361 $t->{TYPE} eq "STRUCT" or
362 $t->{TYPE} eq "TYPEDEF" or
363 $t->{TYPE} eq "UNION" or
364 $t->{TYPE} eq "ENUM");
367 foreach my $fn (@{$interface->{FUNCTIONS}}) {
371 pidl "#endif /* _HEADER_$interface->{NAME} */\n";
378 pidl unmake_str($quote->{DATA}) . "\n";
381 #####################################################################
382 # parse a parsed IDL into a C header
390 pidl "/* header auto-generated by pidl */\n\n";
392 pidl "#include <util/data_blob.h>\n";
394 pidl "#include <stdint.h>\n";
398 ($_->{TYPE} eq "CPP_QUOTE") && HeaderQuote($_);
399 ($_->{TYPE} eq "INTERFACE") && HeaderInterface($_);
400 ($_->{TYPE} eq "IMPORT") && HeaderImport(@{$_->{PATHS}});
401 ($_->{TYPE} eq "INCLUDE") && HeaderInclude(@{$_->{PATHS}});