?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
idl: add parser for the to_null property
[Samba/gebeck_regimport.git] / pidl / lib / Parse / Pidl / Samba4 / NDR / Parser.pm
blob16ed685cb2214c34862db35682b9cea149124eb3
1 ###################################################
2 # Samba4 NDR parser generator for IDL structures
3 # Copyright tridge@samba.org 2000-2003
4 # Copyright tpot@samba.org 2001
5 # Copyright jelmer@samba.org 2004-2006
6 # released under the GNU GPL
7
8 package Parse::Pidl::Samba4::NDR::Parser;
9
10 require Exporter;
11 @ISA = qw(Exporter);
12 @EXPORT_OK = qw(check_null_pointer NeededFunction NeededElement NeededType $res NeededInterface TypeFunctionName ParseElementPrint);
13
14 use strict;
15 use Parse::Pidl::Typelist qw(hasType getType mapTypeName typeHasBody);
16 use Parse::Pidl::Util qw(has_property ParseExpr ParseExprExt print_uuid unmake_str);
17 use Parse::Pidl::CUtil qw(get_pointer_to get_value_of get_array_element);
18 use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred ContainsPipe is_charset_array);
19 use Parse::Pidl::Samba4 qw(is_intree choose_header ArrayDynamicallyAllocated);
20 use Parse::Pidl::Samba4::Header qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv);
21 use Parse::Pidl qw(warning);
22
23 use vars qw($VERSION);
24 $VERSION = '0.01';
25
26 # list of known types
27 my %typefamily;
28
29 sub new($$) {
30 my ($class) = @_;
31 my $self = { res => "", res_hdr => "", deferred => [], tabs => "", defer_tabs => "" };
32 bless($self, $class);
33 }
34
35 sub get_typefamily($)
36 {
37 my $n = shift;
38 return $typefamily{$n};
39 }
40
41 sub append_prefix($$)
42 {
43 my ($e, $var_name) = @_;
44 my $pointers = 0;
45 my $arrays = 0;
46
47 foreach my $l (@{$e->{LEVELS}}) {
48 if ($l->{TYPE} eq "POINTER") {
49 $pointers++;
50 } elsif ($l->{TYPE} eq "ARRAY") {
51 $arrays++;
52 if (($pointers == 0) and
53 (not $l->{IS_FIXED}) and
54 (not $l->{IS_INLINE})) {
55 return get_value_of($var_name);
56 }
57 } elsif ($l->{TYPE} eq "DATA") {
58 if (Parse::Pidl::Typelist::scalar_is_reference($l->{DATA_TYPE})) {
59 return get_value_of($var_name) unless ($pointers or $arrays);
60 }
61 }
62 }
63
64 return $var_name;
65 }
66
67 sub has_fast_array($$)
68 {
69 my ($e,$l) = @_;
70
71 return 0 if ($l->{TYPE} ne "ARRAY");
72
73 my $nl = GetNextLevel($e,$l);
74 return 0 unless ($nl->{TYPE} eq "DATA");
75 return 0 unless (hasType($nl->{DATA_TYPE}));
76
77 my $t = getType($nl->{DATA_TYPE});
78
79 # Only uint8 and string have fast array functions at the moment
80 return ($t->{NAME} eq "uint8") or ($t->{NAME} eq "string");
81 }
82
83
84 ####################################
85 # pidl() is our basic output routine
86 sub pidl($$)
87 {
88 my ($self, $d) = @_;
89 if ($d) {
90 $self->{res} .= $self->{tabs};
91 $self->{res} .= $d;
92 }
93 $self->{res} .="\n";
94 }
95
96 sub pidl_hdr($$) { my ($self, $d) = @_; $self->{res_hdr} .= "$d\n"; }
97
98 ####################################
99 # defer() is like pidl(), but adds to
100 # a deferred buffer which is then added to the
101 # output buffer at the end of the structure/union/function
102 # This is needed to cope with code that must be pushed back
103 # to the end of a block of elements
104 sub defer_indent($) { my ($self) = @_; $self->{defer_tabs}.="\t"; }
105 sub defer_deindent($) { my ($self) = @_; $self->{defer_tabs}=substr($self->{defer_tabs}, 0, -1); }
106
107 sub defer($$)
108 {
109 my ($self, $d) = @_;
110 if ($d) {
111 push(@{$self->{deferred}}, $self->{defer_tabs}.$d);
112 }
113 }
114
115 ########################################
116 # add the deferred content to the current
117 # output
118 sub add_deferred($)
119 {
120 my ($self) = @_;
121 $self->pidl($_) foreach (@{$self->{deferred}});
122 $self->{deferred} = [];
123 $self->{defer_tabs} = "";
124 }
125
126 sub indent($)
127 {
128 my ($self) = @_;
129 $self->{tabs} .= "\t";
130 }
131
132 sub deindent($)
133 {
134 my ($self) = @_;
135 $self->{tabs} = substr($self->{tabs}, 0, -1);
136 }
137
138 #####################################################################
139 # declare a function public or static, depending on its attributes
140 sub fn_declare($$$$)
141 {
142 my ($self,$type,$fn,$decl) = @_;
143
144 if (has_property($fn, "no$type")) {
145 $self->pidl_hdr("$decl;");
146 return 0;
147 }
148
149 if (has_property($fn, "public")) {
150 $self->pidl_hdr("$decl;");
151 $self->pidl("_PUBLIC_ $decl");
152 } else {
153 $self->pidl("static $decl");
154 }
155
156 return 1;
157 }
158
159 ###################################################################
160 # setup any special flags for an element or structure
161 sub start_flags($$$)
162 {
163 my ($self, $e, $ndr) = @_;
164 my $flags = has_property($e, "flag");
165 if (defined $flags) {
166 $self->pidl("{");
167 $self->indent;
168 $self->pidl("uint32_t _flags_save_$e->{TYPE} = $ndr->flags;");
169 $self->pidl("ndr_set_flags(&$ndr->flags, $flags);");
170 }
171 }
172
173 ###################################################################
174 # end any special flags for an element or structure
175 sub end_flags($$$)
176 {
177 my ($self, $e, $ndr) = @_;
178 my $flags = has_property($e, "flag");
179 if (defined $flags) {
180 $self->pidl("$ndr->flags = _flags_save_$e->{TYPE};");
181 $self->deindent;
182 $self->pidl("}");
183 }
184 }
185
186 #####################################################################
187 # parse the data of an array - push side
188 sub ParseArrayPushHeader($$$$$$)
189 {
190 my ($self,$e,$l,$ndr,$var_name,$env) = @_;
191
192 my $size;
193 my $length;
194
195 if ($l->{IS_ZERO_TERMINATED}) {
196 if (has_property($e, "charset")) {
197 $size = $length = "ndr_charset_length($var_name, CH_$e->{PROPERTIES}->{charset})";
198 } else {
199 $size = $length = "ndr_string_length($var_name, sizeof(*$var_name))";
200 }
201 if (defined($l->{SIZE_IS})) {
202 $size = ParseExpr($l->{SIZE_IS}, $env, $e);
203 }
204 if (defined($l->{LENGTH_IS})) {
205 $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
206 }
207 } else {
208 $size = ParseExpr($l->{SIZE_IS}, $env, $e);
209 $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
210 }
211
212 if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
213 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
214 }
215
216 if ($l->{IS_VARYING}) {
217 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, 0));"); # array offset
218 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $length));");
219 }
220
221 return $length;
222 }
223
224 sub check_fully_dereferenced($$)
225 {
226 my ($element, $env) = @_;
227
228 return sub ($) {
229 my $origvar = shift;
230 my $check = 0;
231
232 # Figure out the number of pointers in $ptr
233 my $expandedvar = $origvar;
234 $expandedvar =~ s/^(\**)//;
235 my $ptr = $1;
236
237 my $var = undef;
238 foreach (keys %$env) {
239 if ($env->{$_} eq $expandedvar) {
240 $var = $_;
241 last;
242 }
243 }
244
245 return($origvar) unless (defined($var));
246 my $e;
247 foreach (@{$element->{PARENT}->{ELEMENTS}}) {
248 if ($_->{NAME} eq $var) {
249 $e = $_;
250 last;
251 }
252 }
253
254 $e or die("Environment doesn't match siblings");
255
256 # See if pointer at pointer level $level
257 # needs to be checked.
258 my $nump = 0;
259 foreach (@{$e->{LEVELS}}) {
260 if ($_->{TYPE} eq "POINTER") {
261 $nump = $_->{POINTER_INDEX}+1;
262 }
263 }
264 warning($element->{ORIGINAL}, "Got pointer for `$e->{NAME}', expected fully derefenced variable") if ($nump > length($ptr));
265 return ($origvar);
266 }
267 }
268
269 sub check_null_pointer($$$$)
270 {
271 my ($element, $env, $print_fn, $return) = @_;
272
273 return sub ($) {
274 my $expandedvar = shift;
275 my $check = 0;
276
277 # Figure out the number of pointers in $ptr
278 $expandedvar =~ s/^(\**)//;
279 my $ptr = $1;
280
281 my $var = undef;
282 foreach (keys %$env) {
283 if ($env->{$_} eq $expandedvar) {
284 $var = $_;
285 last;
286 }
287 }
288
289 if (defined($var)) {
290 my $e;
291 # lookup ptr in $e
292 foreach (@{$element->{PARENT}->{ELEMENTS}}) {
293 if ($_->{NAME} eq $var) {
294 $e = $_;
295 last;
296 }
297 }
298
299 $e or die("Environment doesn't match siblings");
300
301 # See if pointer at pointer level $level
302 # needs to be checked.
303 foreach my $l (@{$e->{LEVELS}}) {
304 if ($l->{TYPE} eq "POINTER" and
305 $l->{POINTER_INDEX} == length($ptr)) {
306 # No need to check ref pointers
307 $check = ($l->{POINTER_TYPE} ne "ref");
308 last;
309 }
310
311 if ($l->{TYPE} eq "DATA") {
312 warning($element, "too much dereferences for `$var'");
313 }
314 }
315 } else {
316 warning($element, "unknown dereferenced expression `$expandedvar'");
317 $check = 1;
318 }
319
320 $print_fn->("if ($ptr$expandedvar == NULL) $return") if $check;
321 }
322 }
323
324 #####################################################################
325 # parse an array - pull side
326 sub ParseArrayPullHeader($$$$$$)
327 {
328 my ($self,$e,$l,$ndr,$var_name,$env) = @_;
329
330 my $length;
331 my $size;
332
333 if ($l->{IS_CONFORMANT}) {
334 $length = $size = "ndr_get_array_size($ndr, " . get_pointer_to($var_name) . ")";
335 } elsif ($l->{IS_ZERO_TERMINATED} and $l->{SIZE_IS} == 0 and $l->{LENGTH_IS} == 0) { # Noheader arrays
336 $length = $size = "ndr_get_string_size($ndr, sizeof(*$var_name))";
337 } else {
338 $length = $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
339 check_null_pointer($e, $env, sub { $self->pidl(shift); },
340 "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
341 check_fully_dereferenced($e, $env));
342 }
343
344 if ((!$l->{IS_SURROUNDING}) and $l->{IS_CONFORMANT}) {
345 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, " . get_pointer_to($var_name) . "));");
346 }
347
348 if ($l->{IS_VARYING}) {
349 $self->pidl("NDR_CHECK(ndr_pull_array_length($ndr, " . get_pointer_to($var_name) . "));");
350 $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
351 }
352
353 if ($length ne $size) {
354 $self->pidl("if ($length > $size) {");
355 $self->indent;
356 $self->pidl("return ndr_pull_error($ndr, NDR_ERR_ARRAY_SIZE, \"Bad array size %u should exceed array length %u\", $size, $length);");
357 $self->deindent;
358 $self->pidl("}");
359 }
360
361 if ($l->{IS_CONFORMANT} and (defined($l->{SIZE_IS}) or not $l->{IS_ZERO_TERMINATED})) {
362 $self->defer("if ($var_name) {");
363 $self->defer_indent;
364 my $size = ParseExprExt($l->{SIZE_IS}, $env, $e->{ORIGINAL},
365 check_null_pointer($e, $env, sub { $self->defer(shift); },
366 "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
367 check_fully_dereferenced($e, $env));
368 $self->defer("NDR_CHECK(ndr_check_array_size($ndr, (void*)" . get_pointer_to($var_name) . ", $size));");
369 $self->defer_deindent;
370 $self->defer("}");
371 }
372
373 if ($l->{IS_VARYING} and (defined($l->{LENGTH_IS}) or not $l->{IS_ZERO_TERMINATED})) {
374 $self->defer("if ($var_name) {");
375 $self->defer_indent;
376 my $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
377 check_null_pointer($e, $env, sub { $self->defer(shift); },
378 "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for length_is()\");"),
379 check_fully_dereferenced($e, $env));
380 $self->defer("NDR_CHECK(ndr_check_array_length($ndr, (void*)" . get_pointer_to($var_name) . ", $length));");
381 $self->defer_deindent;
382 $self->defer("}");
383 }
384
385 if (ArrayDynamicallyAllocated($e,$l) and not is_charset_array($e,$l)) {
386 $self->AllocateArrayLevel($e,$l,$ndr,$var_name,$size);
387 }
388
389 return $length;
390 }
391
392 sub compression_alg($$)
393 {
394 my ($e, $l) = @_;
395 my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
396
397 return $alg;
398 }
399
400 sub compression_clen($$$)
401 {
402 my ($e, $l, $env) = @_;
403 my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
404
405 return ParseExpr($clen, $env, $e->{ORIGINAL});
406 }
407
408 sub compression_dlen($$$)
409 {
410 my ($e,$l,$env) = @_;
411 my ($alg, $clen, $dlen) = split(/,/, $l->{COMPRESSION});
412
413 return ParseExpr($dlen, $env, $e->{ORIGINAL});
414 }
415
416 sub ParseCompressionPushStart($$$$$)
417 {
418 my ($self,$e,$l,$ndr,$env) = @_;
419 my $comndr = "$ndr\_compressed";
420 my $alg = compression_alg($e, $l);
421 my $dlen = compression_dlen($e, $l, $env);
422
423 $self->pidl("{");
424 $self->indent;
425 $self->pidl("struct ndr_push *$comndr;");
426 $self->pidl("NDR_CHECK(ndr_push_compression_start($ndr, &$comndr, $alg, $dlen));");
427
428 return $comndr;
429 }
430
431 sub ParseCompressionPushEnd($$$$$)
432 {
433 my ($self,$e,$l,$ndr,$env) = @_;
434 my $comndr = "$ndr\_compressed";
435 my $alg = compression_alg($e, $l);
436 my $dlen = compression_dlen($e, $l, $env);
437
438 $self->pidl("NDR_CHECK(ndr_push_compression_end($ndr, $comndr, $alg, $dlen));");
439 $self->deindent;
440 $self->pidl("}");
441 }
442
443 sub ParseCompressionPullStart($$$$$)
444 {
445 my ($self,$e,$l,$ndr,$env) = @_;
446 my $comndr = "$ndr\_compressed";
447 my $alg = compression_alg($e, $l);
448 my $dlen = compression_dlen($e, $l, $env);
449
450 $self->pidl("{");
451 $self->indent;
452 $self->pidl("struct ndr_pull *$comndr;");
453 $self->pidl("NDR_CHECK(ndr_pull_compression_start($ndr, &$comndr, $alg, $dlen));");
454
455 return $comndr;
456 }
457
458 sub ParseCompressionPullEnd($$$$$)
459 {
460 my ($self,$e,$l,$ndr,$env) = @_;
461 my $comndr = "$ndr\_compressed";
462 my $alg = compression_alg($e, $l);
463 my $dlen = compression_dlen($e, $l, $env);
464
465 $self->pidl("NDR_CHECK(ndr_pull_compression_end($ndr, $comndr, $alg, $dlen));");
466 $self->deindent;
467 $self->pidl("}");
468 }
469
470 sub ParseSubcontextPushStart($$$$$)
471 {
472 my ($self,$e,$l,$ndr,$env) = @_;
473 my $subndr = "_ndr_$e->{NAME}";
474 my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
475
476 $self->pidl("{");
477 $self->indent;
478 $self->pidl("struct ndr_push *$subndr;");
479 $self->pidl("NDR_CHECK(ndr_push_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
480
481 if (defined $l->{COMPRESSION}) {
482 $subndr = $self->ParseCompressionPushStart($e, $l, $subndr, $env);
483 }
484
485 return $subndr;
486 }
487
488 sub ParseSubcontextPushEnd($$$$$)
489 {
490 my ($self,$e,$l,$ndr,$env) = @_;
491 my $subndr = "_ndr_$e->{NAME}";
492 my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
493
494 if (defined $l->{COMPRESSION}) {
495 $self->ParseCompressionPushEnd($e, $l, $subndr, $env);
496 }
497
498 $self->pidl("NDR_CHECK(ndr_push_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
499 $self->deindent;
500 $self->pidl("}");
501 }
502
503 sub ParseSubcontextPullStart($$$$$)
504 {
505 my ($self,$e,$l,$ndr,$env) = @_;
506 my $subndr = "_ndr_$e->{NAME}";
507 my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
508
509 $self->pidl("{");
510 $self->indent;
511 $self->pidl("struct ndr_pull *$subndr;");
512 $self->pidl("NDR_CHECK(ndr_pull_subcontext_start($ndr, &$subndr, $l->{HEADER_SIZE}, $subcontext_size));");
513
514 if (defined $l->{COMPRESSION}) {
515 $subndr = $self->ParseCompressionPullStart($e, $l, $subndr, $env);
516 }
517
518 return $subndr;
519 }
520
521 sub ParseSubcontextPullEnd($$$$$)
522 {
523 my ($self,$e,$l,$ndr,$env) = @_;
524 my $subndr = "_ndr_$e->{NAME}";
525 my $subcontext_size = ParseExpr($l->{SUBCONTEXT_SIZE}, $env, $e->{ORIGINAL});
526
527 if (defined $l->{COMPRESSION}) {
528 $self->ParseCompressionPullEnd($e, $l, $subndr, $env);
529 }
530
531 $self->pidl("NDR_CHECK(ndr_pull_subcontext_end($ndr, $subndr, $l->{HEADER_SIZE}, $subcontext_size));");
532 $self->deindent;
533 $self->pidl("}");
534 }
535
536 sub ParseElementPushLevel
537 {
538 my ($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
539
540 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
541
542 if ($l->{TYPE} eq "ARRAY" and ($l->{IS_CONFORMANT} or $l->{IS_VARYING})) {
543 $var_name = get_pointer_to($var_name);
544 }
545
546 if (defined($ndr_flags)) {
547 if ($l->{TYPE} eq "SUBCONTEXT") {
548 my $subndr = $self->ParseSubcontextPushStart($e, $l, $ndr, $env);
549 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $subndr, $var_name, $env, 1, 1);
550 $self->ParseSubcontextPushEnd($e, $l, $ndr, $env);
551 } elsif ($l->{TYPE} eq "POINTER") {
552 $self->ParsePtrPush($e, $l, $ndr, $var_name);
553 } elsif ($l->{TYPE} eq "ARRAY") {
554 my $length = $self->ParseArrayPushHeader($e, $l, $ndr, $var_name, $env);
555
556 my $nl = GetNextLevel($e, $l);
557
558 # Allow speedups for arrays of scalar types
559 if (is_charset_array($e,$l)) {
560 $self->pidl("NDR_CHECK(ndr_push_charset($ndr, $ndr_flags, $var_name, $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
561 return;
562 } elsif (has_fast_array($e,$l)) {
563 $self->pidl("NDR_CHECK(ndr_push_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
564 return;
565 }
566 } elsif ($l->{TYPE} eq "SWITCH") {
567 $self->ParseSwitchPush($e, $l, $ndr, $var_name, $env);
568 } elsif ($l->{TYPE} eq "DATA") {
569 $self->ParseDataPush($e, $l, $ndr, $var_name, $primitives, $deferred);
570 } elsif ($l->{TYPE} eq "TYPEDEF") {
571 $typefamily{$e->{DATA}->{TYPE}}->{PUSH_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
572 }
573 }
574
575 if ($l->{TYPE} eq "POINTER" and $l->{POINTER_TYPE} eq "ignore") {
576 $self->pidl("/* [ignore] '$e->{NAME}' */");
577 } elsif ($l->{TYPE} eq "POINTER" and $deferred) {
578 my $rel_var_name = $var_name;
579 if ($l->{POINTER_TYPE} ne "ref") {
580 $self->pidl("if ($var_name) {");
581 $self->indent;
582 if ($l->{POINTER_TYPE} eq "relative") {
583 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_start($ndr, $rel_var_name));");
584 }
585 if ($l->{POINTER_TYPE} eq "relative_short") {
586 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr2($ndr, $var_name));");
587 }
588 }
589 $var_name = get_value_of($var_name);
590 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 1);
591
592 if ($l->{POINTER_TYPE} ne "ref") {
593 if ($l->{POINTER_TYPE} eq "relative") {
594 $self->pidl("NDR_CHECK(ndr_push_relative_ptr2_end($ndr, $rel_var_name));");
595 }
596 $self->deindent;
597 $self->pidl("}");
598 }
599 } elsif ($l->{TYPE} eq "ARRAY" and not has_fast_array($e,$l) and
600 not is_charset_array($e, $l)) {
601 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
602 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
603
604 my $array_pointless = ($length eq "0");
605
606 if ($array_pointless) {
607 warning($e->{ORIGINAL}, "pointless array `$e->{NAME}' will always have size 0");
608 }
609
610 $var_name = get_array_element($var_name, $counter);
611
612 if ((($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) and not $array_pointless) {
613 $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
614 $self->indent;
615 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
616 $self->deindent;
617 $self->pidl("}");
618 }
619
620 if ($deferred and ContainsDeferred($e, $l) and not $array_pointless) {
621 $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
622 $self->indent;
623 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1);
624 $self->deindent;
625 $self->pidl("}");
626 }
627 } elsif ($l->{TYPE} eq "SWITCH") {
628 $self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, $primitives, $deferred);
629 }
630 }
631
632 #####################################################################
633 # parse scalars in a structure element
634 sub ParseElementPush($$$$$$)
635 {
636 my ($self,$e,$ndr,$env,$primitives,$deferred) = @_;
637 my $subndr = undef;
638
639 my $var_name = $env->{$e->{NAME}};
640
641 return if ContainsPipe($e, $e->{LEVELS}[0]);
642
643 return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
644
645 # Representation type is different from transmit_as
646 if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
647 $self->pidl("{");
648 $self->indent;
649 my $transmit_name = "_transmit_$e->{NAME}";
650 $self->pidl(mapTypeName($e->{TYPE}) ." $transmit_name;");
651 $self->pidl("NDR_CHECK(ndr_$e->{REPRESENTATION_TYPE}_to_$e->{TYPE}($var_name, " . get_pointer_to($transmit_name) . "));");
652 $var_name = $transmit_name;
653 }
654
655 $var_name = append_prefix($e, $var_name);
656
657 $self->start_flags($e, $ndr);
658
659 if (defined(my $value = has_property($e, "value"))) {
660 $var_name = ParseExpr($value, $env, $e->{ORIGINAL});
661 }
662
663 $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $var_name, $env, $primitives, $deferred);
664
665 $self->end_flags($e, $ndr);
666
667 if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
668 $self->deindent;
669 $self->pidl("}");
670 }
671 }
672
673 #####################################################################
674 # parse a pointer in a struct element or function
675 sub ParsePtrPush($$$$$)
676 {
677 my ($self,$e,$l,$ndr,$var_name) = @_;
678
679 if ($l->{POINTER_TYPE} eq "ref") {
680 $self->pidl("if ($var_name == NULL) {");
681 $self->indent;
682 $self->pidl("return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL [ref] pointer\");");
683 $self->deindent;
684 $self->pidl("}");
685 if ($l->{LEVEL} eq "EMBEDDED") {
686 $self->pidl("NDR_CHECK(ndr_push_ref_ptr(ndr));");
687 }
688 } elsif ($l->{POINTER_TYPE} eq "relative") {
689 $self->pidl("NDR_CHECK(ndr_push_relative_ptr1($ndr, $var_name));");
690 } elsif ($l->{POINTER_TYPE} eq "relative_short") {
691 $self->pidl("NDR_CHECK(ndr_push_short_relative_ptr1($ndr, $var_name));");
692 } elsif ($l->{POINTER_TYPE} eq "unique") {
693 $self->pidl("NDR_CHECK(ndr_push_unique_ptr($ndr, $var_name));");
694 } elsif ($l->{POINTER_TYPE} eq "full") {
695 $self->pidl("NDR_CHECK(ndr_push_full_ptr($ndr, $var_name));");
696 } elsif ($l->{POINTER_TYPE} eq "ignore") {
697 # We don't want this pointer to appear on the wire at all
698 $self->pidl("NDR_CHECK(ndr_push_uint3264(ndr, NDR_SCALARS, 0));");
699 } else {
700 die("Unhandled pointer type $l->{POINTER_TYPE}");
701 }
702 }
703
704 sub need_pointer_to($$$)
705 {
706 my ($e, $l, $scalar_only) = @_;
707
708 my $t;
709 if (ref($l->{DATA_TYPE})) {
710 $t = "$l->{DATA_TYPE}->{TYPE}_$l->{DATA_TYPE}->{NAME}";
711 } else {
712 $t = $l->{DATA_TYPE};
713 }
714
715 if (not Parse::Pidl::Typelist::is_scalar($t)) {
716 return 1 if $scalar_only;
717 }
718
719 my $arrays = 0;
720
721 foreach my $tl (@{$e->{LEVELS}}) {
722 last if $l == $tl;
723 if ($tl->{TYPE} eq "ARRAY") {
724 $arrays++;
725 }
726 }
727
728 if (Parse::Pidl::Typelist::scalar_is_reference($t)) {
729 return 1 unless $arrays;
730 }
731
732 return 0;
733 }
734
735 sub ParseDataPrint($$$$$)
736 {
737 my ($self, $e, $l, $ndr, $var_name) = @_;
738
739 if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
740
741 if (need_pointer_to($e, $l, 1)) {
742 $var_name = get_pointer_to($var_name);
743 }
744
745 $self->pidl(TypeFunctionName("ndr_print", $l->{DATA_TYPE})."($ndr, \"$e->{NAME}\", $var_name);");
746 } else {
747 $self->ParseTypePrint($l->{DATA_TYPE}, $ndr, $var_name);
748 }
749 }
750
751 #####################################################################
752 # print scalars in a structure element
753 sub ParseElementPrint($$$$$)
754 {
755 my($self, $e, $ndr, $var_name, $env) = @_;
756
757 return if (has_property($e, "noprint"));
758 my $cur_depth = 0;
759 my $ignore_depth = 0xFFFF;
760
761 if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
762 $self->pidl("ndr_print_$e->{REPRESENTATION_TYPE}($ndr, \"$e->{NAME}\", $var_name);");
763 return;
764 }
765
766 $var_name = append_prefix($e, $var_name);
767
768 if (defined(my $value = has_property($e, "value"))) {
769 $var_name = "($ndr->flags & LIBNDR_PRINT_SET_VALUES)?" . ParseExpr($value,$env, $e->{ORIGINAL}) . ":$var_name";
770 }
771
772 foreach my $l (@{$e->{LEVELS}}) {
773 $cur_depth += 1;
774
775 if ($cur_depth > $ignore_depth) {
776 next;
777 }
778
779 if ($l->{TYPE} eq "POINTER") {
780 $self->pidl("ndr_print_ptr($ndr, \"$e->{NAME}\", $var_name);");
781 if ($l->{POINTER_TYPE} eq "ignore") {
782 $self->pidl("/* [ignore] '$e->{NAME}' */");
783 $ignore_depth = $cur_depth;
784 last;
785 }
786 $self->pidl("$ndr->depth++;");
787 if ($l->{POINTER_TYPE} ne "ref") {
788 $self->pidl("if ($var_name) {");
789 $self->indent;
790 }
791 $var_name = get_value_of($var_name);
792 } elsif ($l->{TYPE} eq "ARRAY") {
793 my $length;
794
795 if ($l->{IS_CONFORMANT} or $l->{IS_VARYING}) {
796 $var_name = get_pointer_to($var_name);
797 }
798
799 if ($l->{IS_ZERO_TERMINATED} and not defined($l->{LENGTH_IS})) {
800 $length = "ndr_string_length($var_name, sizeof(*$var_name))";
801 } else {
802 $length = ParseExprExt($l->{LENGTH_IS}, $env, $e->{ORIGINAL},
803 check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
804 }
805
806 if (is_charset_array($e,$l)) {
807 $self->pidl("ndr_print_string($ndr, \"$e->{NAME}\", $var_name);");
808 last;
809 } elsif (has_fast_array($e, $l)) {
810 my $nl = GetNextLevel($e, $l);
811 $self->pidl("ndr_print_array_$nl->{DATA_TYPE}($ndr, \"$e->{NAME}\", $var_name, $length);");
812 last;
813 } else {
814 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
815
816 $self->pidl("$ndr->print($ndr, \"\%s: ARRAY(\%d)\", \"$e->{NAME}\", (int)$length);");
817 $self->pidl("$ndr->depth++;");
818 $self->pidl("for ($counter=0;$counter<$length;$counter++) {");
819 $self->indent;
820
821 $var_name = get_array_element($var_name, $counter);
822 }
823 } elsif ($l->{TYPE} eq "DATA") {
824 $self->ParseDataPrint($e, $l, $ndr, $var_name);
825 } elsif ($l->{TYPE} eq "SWITCH") {
826 my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
827 check_null_pointer($e, $env, sub { $self->pidl(shift); }, "return;"), check_fully_dereferenced($e, $env));
828 $self->pidl("ndr_print_set_switch_value($ndr, " . get_pointer_to($var_name) . ", $switch_var);");
829 }
830 }
831
832 foreach my $l (reverse @{$e->{LEVELS}}) {
833 $cur_depth -= 1;
834
835 if ($cur_depth > $ignore_depth) {
836 next;
837 }
838
839 if ($l->{TYPE} eq "POINTER") {
840 if ($l->{POINTER_TYPE} eq "ignore") {
841 next;
842 }
843
844 if ($l->{POINTER_TYPE} ne "ref") {
845 $self->deindent;
846 $self->pidl("}");
847 }
848 $self->pidl("$ndr->depth--;");
849 } elsif (($l->{TYPE} eq "ARRAY")
850 and not is_charset_array($e,$l)
851 and not has_fast_array($e,$l)) {
852 $self->deindent;
853 $self->pidl("}");
854 $self->pidl("$ndr->depth--;");
855 }
856 }
857 }
858
859 #####################################################################
860 # parse scalars in a structure element - pull size
861 sub ParseSwitchPull($$$$$$)
862 {
863 my($self,$e,$l,$ndr,$var_name,$env) = @_;
864 my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
865 check_null_pointer($e, $env, sub { $self->pidl(shift); },
866 "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
867 check_fully_dereferenced($e, $env));
868
869 $var_name = get_pointer_to($var_name);
870 $self->pidl("NDR_CHECK(ndr_pull_set_switch_value($ndr, $var_name, $switch_var));");
871 }
872
873 #####################################################################
874 # push switch element
875 sub ParseSwitchPush($$$$$$)
876 {
877 my($self,$e,$l,$ndr,$var_name,$env) = @_;
878 my $switch_var = ParseExprExt($l->{SWITCH_IS}, $env, $e->{ORIGINAL},
879 check_null_pointer($e, $env, sub { $self->pidl(shift); },
880 "return ndr_push_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for switch_is()\");"),
881 check_fully_dereferenced($e, $env));
882
883 $var_name = get_pointer_to($var_name);
884 $self->pidl("NDR_CHECK(ndr_push_set_switch_value($ndr, $var_name, $switch_var));");
885 }
886
887 sub ParseDataPull($$$$$$$)
888 {
889 my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
890
891 if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
892
893 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
894
895 if (need_pointer_to($e, $l, 0)) {
896 $var_name = get_pointer_to($var_name);
897 }
898
899 $var_name = get_pointer_to($var_name);
900
901 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_pull", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
902
903 my $pl = GetPrevLevel($e, $l);
904
905 my $range = has_property($e, "range");
906 if ($range and $pl->{TYPE} ne "ARRAY") {
907 $var_name = get_value_of($var_name);
908 my $signed = Parse::Pidl::Typelist::is_signed($l->{DATA_TYPE});
909 my ($low, $high) = split(/,/, $range, 2);
910 if ($low < 0 and not $signed) {
911 warning(0, "$low is invalid for the range of an unsigned type");
912 }
913 if ($low == 0 and not $signed) {
914 $self->pidl("if ($var_name > $high) {");
915 } else {
916 $self->pidl("if ($var_name < $low || $var_name > $high) {");
917 }
918 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
919 $self->pidl("}");
920 }
921 } else {
922 $self->ParseTypePull($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
923 }
924 }
925
926 sub ParseDataPush($$$$$$$)
927 {
928 my ($self,$e,$l,$ndr,$var_name,$primitives,$deferred) = @_;
929
930 if (not ref($l->{DATA_TYPE}) or defined($l->{DATA_TYPE}->{NAME})) {
931
932 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
933
934 # strings are passed by value rather than reference
935 if (need_pointer_to($e, $l, 1)) {
936 $var_name = get_pointer_to($var_name);
937 }
938
939 $self->pidl("NDR_CHECK(".TypeFunctionName("ndr_push", $l->{DATA_TYPE})."($ndr, $ndr_flags, $var_name));");
940 } else {
941 $self->ParseTypePush($l->{DATA_TYPE}, $ndr, $var_name, $primitives, $deferred);
942 }
943 }
944
945 sub CalcNdrFlags($$$)
946 {
947 my ($l,$primitives,$deferred) = @_;
948
949 my $scalars = 0;
950 my $buffers = 0;
951
952 # Add NDR_SCALARS if this one is deferred
953 # and deferreds may be pushed
954 $scalars = 1 if ($l->{IS_DEFERRED} and $deferred);
955
956 # Add NDR_SCALARS if this one is not deferred and
957 # primitives may be pushed
958 $scalars = 1 if (!$l->{IS_DEFERRED} and $primitives);
959
960 # Add NDR_BUFFERS if this one contains deferred stuff
961 # and deferreds may be pushed
962 $buffers = 1 if ($l->{CONTAINS_DEFERRED} and $deferred);
963
964 return "NDR_SCALARS|NDR_BUFFERS" if ($scalars and $buffers);
965 return "NDR_SCALARS" if ($scalars);
966 return "NDR_BUFFERS" if ($buffers);
967 return undef;
968 }
969
970 sub ParseMemCtxPullFlags($$$$)
971 {
972 my ($self, $e, $l) = @_;
973
974 return undef unless ($l->{TYPE} eq "POINTER" or $l->{TYPE} eq "ARRAY");
975 return undef if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore"));
976
977 return undef unless ($l->{TYPE} ne "ARRAY" or ArrayDynamicallyAllocated($e,$l));
978 return undef if has_fast_array($e, $l);
979 return undef if is_charset_array($e, $l);
980
981 my $mem_flags = "0";
982
983 if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ref")) {
984 my $nl = GetNextLevel($e, $l);
985 return undef if ($nl->{TYPE} eq "PIPE");
986 return undef if ($nl->{TYPE} eq "ARRAY");
987 return undef if (($nl->{TYPE} eq "DATA") and ($nl->{DATA_TYPE} eq "string"));
988
989 if ($l->{LEVEL} eq "TOP") {
990 $mem_flags = "LIBNDR_FLAG_REF_ALLOC";
991 }
992 }
993
994 return $mem_flags;
995 }
996
997 sub ParseMemCtxPullStart($$$$$)
998 {
999 my ($self, $e, $l, $ndr, $ptr_name) = @_;
1000
1001 my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1002 my $mem_c_ctx = $ptr_name;
1003 my $mem_c_flags = $self->ParseMemCtxPullFlags($e, $l);
1004
1005 return unless defined($mem_c_flags);
1006
1007 $self->pidl("$mem_r_ctx = NDR_PULL_GET_MEM_CTX($ndr);");
1008 $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_c_ctx, $mem_c_flags);");
1009 }
1010
1011 sub ParseMemCtxPullEnd($$$$)
1012 {
1013 my ($self, $e, $l, $ndr) = @_;
1014
1015 my $mem_r_ctx = "_mem_save_$e->{NAME}_$l->{LEVEL_INDEX}";
1016 my $mem_r_flags = $self->ParseMemCtxPullFlags($e, $l);
1017
1018 return unless defined($mem_r_flags);
1019
1020 $self->pidl("NDR_PULL_SET_MEM_CTX($ndr, $mem_r_ctx, $mem_r_flags);");
1021 }
1022
1023 sub CheckStringTerminator($$$$$)
1024 {
1025 my ($self,$ndr,$e,$l,$length) = @_;
1026 my $nl = GetNextLevel($e, $l);
1027
1028 # Make sure last element is zero!
1029 $self->pidl("NDR_CHECK(ndr_check_string_terminator($ndr, $length, sizeof($nl->{DATA_TYPE}_t)));");
1030 }
1031
1032 sub ParseElementPullLevel
1033 {
1034 my($self,$e,$l,$ndr,$var_name,$env,$primitives,$deferred) = @_;
1035
1036 my $ndr_flags = CalcNdrFlags($l, $primitives, $deferred);
1037
1038 if ($l->{TYPE} eq "ARRAY" and ($l->{IS_VARYING} or $l->{IS_CONFORMANT})) {
1039 $var_name = get_pointer_to($var_name);
1040 }
1041
1042 # Only pull something if there's actually something to be pulled
1043 if (defined($ndr_flags)) {
1044 if ($l->{TYPE} eq "SUBCONTEXT") {
1045 my $subndr = $self->ParseSubcontextPullStart($e, $l, $ndr, $env);
1046 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $subndr, $var_name, $env, 1, 1);
1047 $self->ParseSubcontextPullEnd($e, $l, $ndr, $env);
1048 } elsif ($l->{TYPE} eq "ARRAY") {
1049 my $length = $self->ParseArrayPullHeader($e, $l, $ndr, $var_name, $env);
1050
1051 if (my $range = has_property($e, "range")) {
1052 my ($low, $high) = split(/,/, $range, 2);
1053 if ($low < 0) {
1054 warning(0, "$low is invalid for the range of an array size");
1055 }
1056 if ($low == 0) {
1057 $self->pidl("if ($length > $high) {");
1058 } else {
1059 $self->pidl("if ($length < $low || $length > $high) {");
1060 }
1061 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
1062 $self->pidl("}");
1063 }
1064
1065 my $nl = GetNextLevel($e, $l);
1066
1067 if (is_charset_array($e,$l)) {
1068 if ($l->{IS_ZERO_TERMINATED}) {
1069 $self->CheckStringTerminator($ndr, $e, $l, $length);
1070 }
1071 if ($l->{IS_TO_NULL}) {
1072 $self->pidl("NDR_CHECK(ndr_pull_charset_to_null($ndr, $ndr_flags, ".get_pointer_to($var_name).", $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
1073 } else {
1074 $self->pidl("NDR_CHECK(ndr_pull_charset($ndr, $ndr_flags, ".get_pointer_to($var_name).", $length, sizeof(" . mapTypeName($nl->{DATA_TYPE}) . "), CH_$e->{PROPERTIES}->{charset}));");
1075 }
1076 return;
1077 } elsif (has_fast_array($e, $l)) {
1078 if ($l->{IS_ZERO_TERMINATED}) {
1079 $self->CheckStringTerminator($ndr,$e,$l,$length);
1080 }
1081 $self->pidl("NDR_CHECK(ndr_pull_array_$nl->{DATA_TYPE}($ndr, $ndr_flags, $var_name, $length));");
1082 return;
1083 }
1084 } elsif ($l->{TYPE} eq "POINTER") {
1085 $self->ParsePtrPull($e, $l, $ndr, $var_name);
1086 } elsif ($l->{TYPE} eq "SWITCH") {
1087 $self->ParseSwitchPull($e, $l, $ndr, $var_name, $env);
1088 } elsif ($l->{TYPE} eq "DATA") {
1089 $self->ParseDataPull($e, $l, $ndr, $var_name, $primitives, $deferred);
1090 } elsif ($l->{TYPE} eq "TYPEDEF") {
1091 $typefamily{$e->{DATA}->{TYPE}}->{PULL_FN_BODY}->($self, $e->{DATA}, $ndr, $var_name);
1092 }
1093 }
1094
1095 # add additional constructions
1096 if ($l->{TYPE} eq "POINTER" and $l->{POINTER_TYPE} eq "ignore") {
1097 $self->pidl("/* [ignore] '$e->{NAME}' */");
1098 } elsif ($l->{TYPE} eq "POINTER" and $deferred) {
1099 if ($l->{POINTER_TYPE} ne "ref") {
1100 $self->pidl("if ($var_name) {");
1101 $self->indent;
1102
1103 if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1104 $self->pidl("uint32_t _relative_save_offset;");
1105 $self->pidl("_relative_save_offset = $ndr->offset;");
1106 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr2($ndr, $var_name));");
1107 }
1108 }
1109
1110 $self->ParseMemCtxPullStart($e, $l, $ndr, $var_name);
1111
1112 $var_name = get_value_of($var_name);
1113 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, 1, 1);
1114
1115 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1116
1117 if ($l->{POINTER_TYPE} ne "ref") {
1118 if ($l->{POINTER_TYPE} eq "relative") {
1119 $self->pidl("if ($ndr->offset > $ndr->relative_highest_offset) {");
1120 $self->indent;
1121 $self->pidl("$ndr->relative_highest_offset = $ndr->offset;");
1122 $self->deindent;
1123 $self->pidl("}");
1124 $self->pidl("$ndr->offset = _relative_save_offset;");
1125 }
1126 $self->deindent;
1127 $self->pidl("}");
1128 }
1129 } elsif ($l->{TYPE} eq "ARRAY" and
1130 not has_fast_array($e,$l) and not is_charset_array($e, $l)) {
1131 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1132 my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
1133 my $array_name = $var_name;
1134
1135 if ($l->{IS_VARYING}) {
1136 $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
1137 }
1138
1139 if (my $range = has_property($e, "range")) {
1140 my ($low, $high) = split(/,/, $range, 2);
1141 if ($low < 0) {
1142 warning(0, "$low is invalid for the range of an array size");
1143 }
1144 if ($low == 0) {
1145 $self->pidl("if ($length > $high) {");
1146 } else {
1147 $self->pidl("if ($length < $low || $length > $high) {");
1148 }
1149 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
1150 $self->pidl("}");
1151 }
1152
1153 $var_name = get_array_element($var_name, $counter);
1154
1155 $self->ParseMemCtxPullStart($e, $l, $ndr, $array_name);
1156
1157 if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
1158 my $nl = GetNextLevel($e,$l);
1159
1160 if ($l->{IS_ZERO_TERMINATED}) {
1161 $self->CheckStringTerminator($ndr,$e,$l,$length);
1162 }
1163
1164 $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1165 $self->indent;
1166 $self->ParseElementPullLevel($e, $nl, $ndr, $var_name, $env, 1, 0);
1167 $self->deindent;
1168 $self->pidl("}");
1169 }
1170
1171 if ($deferred and ContainsDeferred($e, $l)) {
1172 $self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
1173 $self->indent;
1174 $self->ParseElementPullLevel($e,GetNextLevel($e,$l), $ndr, $var_name, $env, 0, 1);
1175 $self->deindent;
1176 $self->pidl("}");
1177 }
1178
1179 $self->ParseMemCtxPullEnd($e, $l, $ndr);
1180
1181 } elsif ($l->{TYPE} eq "SWITCH") {
1182 $self->ParseElementPullLevel($e, GetNextLevel($e,$l), $ndr, $var_name, $env, $primitives, $deferred);
1183 }
1184 }
1185
1186 #####################################################################
1187 # parse scalars in a structure element - pull size
1188 sub ParseElementPull($$$$$$)
1189 {
1190 my($self,$e,$ndr,$env,$primitives,$deferred) = @_;
1191
1192 my $var_name = $env->{$e->{NAME}};
1193 my $represent_name;
1194 my $transmit_name;
1195
1196 return if ContainsPipe($e, $e->{LEVELS}[0]);
1197
1198 return unless $primitives or ($deferred and ContainsDeferred($e, $e->{LEVELS}[0]));
1199
1200 if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1201 $self->pidl("{");
1202 $self->indent;
1203 $represent_name = $var_name;
1204 $transmit_name = "_transmit_$e->{NAME}";
1205 $var_name = $transmit_name;
1206 $self->pidl(mapTypeName($e->{TYPE})." $var_name;");
1207 }
1208
1209 $var_name = append_prefix($e, $var_name);
1210
1211 $self->start_flags($e, $ndr);
1212
1213 $self->ParseElementPullLevel($e,$e->{LEVELS}[0],$ndr,$var_name,$env,$primitives,$deferred);
1214
1215 $self->end_flags($e, $ndr);
1216
1217 # Representation type is different from transmit_as
1218 if ($e->{REPRESENTATION_TYPE} ne $e->{TYPE}) {
1219 $self->pidl("NDR_CHECK(ndr_$e->{TYPE}_to_$e->{REPRESENTATION_TYPE}($transmit_name, ".get_pointer_to($represent_name)."));");
1220 $self->deindent;
1221 $self->pidl("}");
1222 }
1223 }
1224
1225 #####################################################################
1226 # parse a pointer in a struct element or function
1227 sub ParsePtrPull($$$$$)
1228 {
1229 my($self, $e,$l,$ndr,$var_name) = @_;
1230
1231 my $nl = GetNextLevel($e, $l);
1232 my $next_is_array = ($nl->{TYPE} eq "ARRAY");
1233 my $next_is_string = (($nl->{TYPE} eq "DATA") and
1234 ($nl->{DATA_TYPE} eq "string"));
1235
1236 if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP") {
1237
1238 if (!$next_is_array and !$next_is_string) {
1239 $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
1240 $self->pidl("\tNDR_PULL_ALLOC($ndr, $var_name);");
1241 $self->pidl("}");
1242 }
1243
1244 return;
1245 } elsif ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "EMBEDDED") {
1246 $self->pidl("NDR_CHECK(ndr_pull_ref_ptr($ndr, &_ptr_$e->{NAME}));");
1247 } elsif (($l->{POINTER_TYPE} eq "unique") or
1248 ($l->{POINTER_TYPE} eq "relative") or
1249 ($l->{POINTER_TYPE} eq "full")) {
1250 $self->pidl("NDR_CHECK(ndr_pull_generic_ptr($ndr, &_ptr_$e->{NAME}));");
1251 } elsif ($l->{POINTER_TYPE} eq "relative_short") {
1252 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr_short($ndr, &_ptr_$e->{NAME}));");
1253 } elsif ($l->{POINTER_TYPE} eq "ignore") {
1254 #We want to consume the pointer bytes, but ignore the pointer value
1255 $self->pidl("NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &_ptr_$e->{NAME}));");
1256 $self->pidl("_ptr_$e->{NAME} = 0;");
1257 } else {
1258 die("Unhandled pointer type $l->{POINTER_TYPE}");
1259 }
1260
1261 $self->pidl("if (_ptr_$e->{NAME}) {");
1262 $self->indent;
1263
1264 if ($l->{POINTER_TYPE} eq "ignore") {
1265 # Don't do anything, we don't want to do the
1266 # allocation, as we forced it to NULL just above, and
1267 # we may not know the declared type anyway.
1268 } else {
1269 # Don't do this for arrays, they're allocated at the actual level
1270 # of the array
1271 unless ($next_is_array or $next_is_string) {
1272 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1273 } else {
1274 # FIXME: Yes, this is nasty.
1275 # We allocate an array twice
1276 # - once just to indicate that it's there,
1277 # - then the real allocation...
1278 $self->pidl("NDR_PULL_ALLOC($ndr, $var_name);");
1279 }
1280 }
1281
1282 #$self->pidl("memset($var_name, 0, sizeof($var_name));");
1283 if ($l->{POINTER_TYPE} eq "relative" or $l->{POINTER_TYPE} eq "relative_short") {
1284 $self->pidl("NDR_CHECK(ndr_pull_relative_ptr1($ndr, $var_name, _ptr_$e->{NAME}));");
1285 }
1286 $self->deindent;
1287 $self->pidl("} else {");
1288 $self->pidl("\t$var_name = NULL;");
1289 $self->pidl("}");
1290 }
1291
1292 sub ParseStructPushPrimitives($$$$$)
1293 {
1294 my ($self, $struct, $ndr, $varname, $env) = @_;
1295
1296 # see if the structure contains a conformant array. If it
1297 # does, then it must be the last element of the structure, and
1298 # we need to push the conformant length early, as it fits on
1299 # the wire before the structure (and even before the structure
1300 # alignment)
1301 if (defined($struct->{SURROUNDING_ELEMENT})) {
1302 my $e = $struct->{SURROUNDING_ELEMENT};
1303
1304 if (defined($e->{LEVELS}[0]) and
1305 $e->{LEVELS}[0]->{TYPE} eq "ARRAY") {
1306 my $size;
1307
1308 if ($e->{LEVELS}[0]->{IS_ZERO_TERMINATED}) {
1309 if (has_property($e, "charset")) {
1310 $size = "ndr_charset_length($varname->$e->{NAME}, CH_$e->{PROPERTIES}->{charset})";
1311 } else {
1312 $size = "ndr_string_length($varname->$e->{NAME}, sizeof(*$varname->$e->{NAME}))";
1313 }
1314 if (defined($e->{LEVELS}[0]->{SIZE_IS})) {
1315 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1316 }
1317 } else {
1318 $size = ParseExpr($e->{LEVELS}[0]->{SIZE_IS}, $env, $e->{ORIGINAL});
1319 }
1320
1321 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, $size));");
1322 } else {
1323 $self->pidl("NDR_CHECK(ndr_push_uint3264($ndr, NDR_SCALARS, ndr_string_array_size($ndr, $varname->$e->{NAME})));");
1324 }
1325 }
1326
1327 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $struct->{ALIGN}));");
1328
1329 if (defined($struct->{PROPERTIES}{relative_base})) {
1330 # set the current offset as base for relative pointers
1331 # and store it based on the toplevel struct/union
1332 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1333 }
1334
1335 $self->ParseElementPush($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1336
1337 $self->pidl("NDR_CHECK(ndr_push_trailer_align($ndr, $struct->{ALIGN}));");
1338 }
1339
1340 sub ParseStructPushDeferred($$$$)
1341 {
1342 my ($self, $struct, $ndr, $varname, $env) = @_;
1343 if (defined($struct->{PROPERTIES}{relative_base})) {
1344 # retrieve the current offset as base for relative pointers
1345 # based on the toplevel struct/union
1346 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1347 }
1348 $self->ParseElementPush($_, $ndr, $env, 0, 1) foreach (@{$struct->{ELEMENTS}});
1349 }
1350
1351 #####################################################################
1352 # parse a struct
1353 sub ParseStructPush($$$$)
1354 {
1355 my ($self, $struct, $ndr, $varname) = @_;
1356
1357 return unless defined($struct->{ELEMENTS});
1358
1359 my $env = GenerateStructEnv($struct, $varname);
1360
1361 EnvSubstituteValue($env, $struct);
1362
1363 $self->DeclareArrayVariablesNoZero($_, $env) foreach (@{$struct->{ELEMENTS}});
1364
1365 $self->start_flags($struct, $ndr);
1366
1367 $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1368 $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1369 $self->indent;
1370 $self->ParseStructPushPrimitives($struct, $ndr, $varname, $env);
1371 $self->deindent;
1372 $self->pidl("}");
1373
1374 $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1375 $self->indent;
1376 $self->ParseStructPushDeferred($struct, $ndr, $varname, $env);
1377 $self->deindent;
1378 $self->pidl("}");
1379
1380 $self->end_flags($struct, $ndr);
1381 }
1382
1383 #####################################################################
1384 # generate a push function for an enum
1385 sub ParseEnumPush($$$$)
1386 {
1387 my($self,$enum,$ndr,$varname) = @_;
1388 my($type_fn) = $enum->{BASE_TYPE};
1389
1390 $self->start_flags($enum, $ndr);
1391 $self->pidl("NDR_CHECK(ndr_push_enum_$type_fn($ndr, NDR_SCALARS, $varname));");
1392 $self->end_flags($enum, $ndr);
1393 }
1394
1395 #####################################################################
1396 # generate a pull function for an enum
1397 sub ParseEnumPull($$$$)
1398 {
1399 my($self,$enum,$ndr,$varname) = @_;
1400 my($type_fn) = $enum->{BASE_TYPE};
1401 my($type_v_decl) = mapTypeName($type_fn);
1402
1403 $self->pidl("$type_v_decl v;");
1404 $self->start_flags($enum, $ndr);
1405 $self->pidl("NDR_CHECK(ndr_pull_enum_$type_fn($ndr, NDR_SCALARS, &v));");
1406 $self->pidl("*$varname = v;");
1407
1408 $self->end_flags($enum, $ndr);
1409 }
1410
1411 #####################################################################
1412 # generate a print function for an enum
1413 sub ParseEnumPrint($$$$$)
1414 {
1415 my($self,$enum,$ndr,$name,$varname) = @_;
1416
1417 $self->pidl("const char *val = NULL;");
1418 $self->pidl("");
1419
1420 $self->start_flags($enum, $ndr);
1421
1422 $self->pidl("switch ($varname) {");
1423 $self->indent;
1424 my $els = \@{$enum->{ELEMENTS}};
1425 foreach my $i (0 .. $#{$els}) {
1426 my $e = ${$els}[$i];
1427 chomp $e;
1428 if ($e =~ /^(.*)=/) {
1429 $e = $1;
1430 }
1431 $self->pidl("case $e: val = \"$e\"; break;");
1432 }
1433
1434 $self->deindent;
1435 $self->pidl("}");
1436
1437 $self->pidl("ndr_print_enum($ndr, name, \"$enum->{TYPE}\", val, $varname);");
1438
1439 $self->end_flags($enum, $ndr);
1440 }
1441
1442 sub DeclEnum($$$$)
1443 {
1444 my ($e,$t,$name,$varname) = @_;
1445 return "enum $name " .
1446 ($t eq "pull"?"*":"") . $varname;
1447 }
1448
1449 $typefamily{ENUM} = {
1450 DECL => \&DeclEnum,
1451 PUSH_FN_BODY => \&ParseEnumPush,
1452 PULL_FN_BODY => \&ParseEnumPull,
1453 PRINT_FN_BODY => \&ParseEnumPrint,
1454 };
1455
1456 #####################################################################
1457 # generate a push function for a bitmap
1458 sub ParseBitmapPush($$$$)
1459 {
1460 my($self,$bitmap,$ndr,$varname) = @_;
1461 my($type_fn) = $bitmap->{BASE_TYPE};
1462
1463 $self->start_flags($bitmap, $ndr);
1464
1465 $self->pidl("NDR_CHECK(ndr_push_$type_fn($ndr, NDR_SCALARS, $varname));");
1466
1467 $self->end_flags($bitmap, $ndr);
1468 }
1469
1470 #####################################################################
1471 # generate a pull function for an bitmap
1472 sub ParseBitmapPull($$$$)
1473 {
1474 my($self,$bitmap,$ndr,$varname) = @_;
1475 my $type_fn = $bitmap->{BASE_TYPE};
1476 my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1477
1478 $self->pidl("$type_decl v;");
1479 $self->start_flags($bitmap, $ndr);
1480 $self->pidl("NDR_CHECK(ndr_pull_$type_fn($ndr, NDR_SCALARS, &v));");
1481 $self->pidl("*$varname = v;");
1482
1483 $self->end_flags($bitmap, $ndr);
1484 }
1485
1486 #####################################################################
1487 # generate a print function for an bitmap
1488 sub ParseBitmapPrintElement($$$$$$)
1489 {
1490 my($self,$e,$bitmap,$ndr,$name,$varname) = @_;
1491 my($type_decl) = mapTypeName($bitmap->{BASE_TYPE});
1492 my($type_fn) = $bitmap->{BASE_TYPE};
1493 my($flag);
1494
1495 if ($e =~ /^(\w+) .*$/) {
1496 $flag = "$1";
1497 } else {
1498 die "Bitmap: \"$name\" invalid Flag: \"$e\"";
1499 }
1500
1501 $self->pidl("ndr_print_bitmap_flag($ndr, sizeof($type_decl), \"$flag\", $flag, $varname);");
1502 }
1503
1504 #####################################################################
1505 # generate a print function for an bitmap
1506 sub ParseBitmapPrint($$$$$)
1507 {
1508 my($self,$bitmap,$ndr,$name,$varname) = @_;
1509 my($type_decl) = mapTypeName($bitmap->{TYPE});
1510 my($type_fn) = $bitmap->{BASE_TYPE};
1511
1512 $self->start_flags($bitmap, $ndr);
1513
1514 $self->pidl("ndr_print_$type_fn($ndr, name, $varname);");
1515
1516 $self->pidl("$ndr->depth++;");
1517 foreach my $e (@{$bitmap->{ELEMENTS}}) {
1518 $self->ParseBitmapPrintElement($e, $bitmap, $ndr, $name, $varname);
1519 }
1520 $self->pidl("$ndr->depth--;");
1521
1522 $self->end_flags($bitmap, $ndr);
1523 }
1524
1525 sub DeclBitmap($$$$)
1526 {
1527 my ($e,$t,$name,$varname) = @_;
1528 return mapTypeName(Parse::Pidl::Typelist::bitmap_type_fn($e)) .
1529 ($t eq "pull"?" *":" ") . $varname;
1530 }
1531
1532 $typefamily{BITMAP} = {
1533 DECL => \&DeclBitmap,
1534 PUSH_FN_BODY => \&ParseBitmapPush,
1535 PULL_FN_BODY => \&ParseBitmapPull,
1536 PRINT_FN_BODY => \&ParseBitmapPrint,
1537 };
1538
1539 #####################################################################
1540 # generate a struct print function
1541 sub ParseStructPrint($$$$$)
1542 {
1543 my($self,$struct,$ndr,$name,$varname) = @_;
1544
1545 return unless defined $struct->{ELEMENTS};
1546
1547 my $env = GenerateStructEnv($struct, $varname);
1548
1549 $self->DeclareArrayVariables($_) foreach (@{$struct->{ELEMENTS}});
1550
1551 $self->pidl("ndr_print_struct($ndr, name, \"$name\");");
1552 $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
1553
1554 $self->start_flags($struct, $ndr);
1555
1556 $self->pidl("$ndr->depth++;");
1557
1558 $self->ParseElementPrint($_, $ndr, $env->{$_->{NAME}}, $env)
1559 foreach (@{$struct->{ELEMENTS}});
1560 $self->pidl("$ndr->depth--;");
1561
1562 $self->end_flags($struct, $ndr);
1563 }
1564
1565 sub DeclarePtrVariables($$)
1566 {
1567 my ($self,$e) = @_;
1568 foreach my $l (@{$e->{LEVELS}}) {
1569 my $size = 32;
1570 if ($l->{TYPE} eq "POINTER" and
1571 not ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "TOP")) {
1572 if ($l->{POINTER_TYPE} eq "relative_short") {
1573 $size = 16;
1574 }
1575 $self->pidl("uint${size}_t _ptr_$e->{NAME};");
1576 last;
1577 }
1578 }
1579 }
1580
1581 sub DeclareArrayVariables($$)
1582 {
1583 my ($self,$e) = @_;
1584
1585 foreach my $l (@{$e->{LEVELS}}) {
1586 next if has_fast_array($e,$l);
1587 next if is_charset_array($e,$l);
1588 if ($l->{TYPE} eq "ARRAY") {
1589 $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1590 }
1591 }
1592 }
1593
1594 sub DeclareArrayVariablesNoZero($$$)
1595 {
1596 my ($self,$e,$env) = @_;
1597
1598 foreach my $l (@{$e->{LEVELS}}) {
1599 next if has_fast_array($e,$l);
1600 next if is_charset_array($e,$l);
1601 if ($l->{TYPE} eq "ARRAY") {
1602 my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
1603 if ($length eq "0") {
1604 warning($e->{ORIGINAL}, "pointless array cntr: 'cntr_$e->{NAME}_$l->{LEVEL_INDEX}': length=$length");
1605 } else {
1606 $self->pidl("uint32_t cntr_$e->{NAME}_$l->{LEVEL_INDEX};");
1607 }
1608 }
1609 }
1610 }
1611
1612 sub DeclareMemCtxVariables($$)
1613 {
1614 my ($self,$e) = @_;
1615 foreach my $l (@{$e->{LEVELS}}) {
1616 my $mem_flags = $self->ParseMemCtxPullFlags($e, $l);
1617
1618 if (($l->{TYPE} eq "POINTER") and ($l->{POINTER_TYPE} eq "ignore")) {
1619 last;
1620 }
1621
1622 if (defined($mem_flags)) {
1623 $self->pidl("TALLOC_CTX *_mem_save_$e->{NAME}_$l->{LEVEL_INDEX};");
1624 }
1625 }
1626 }
1627
1628 sub ParseStructPullPrimitives($$$$$)
1629 {
1630 my($self,$struct,$ndr,$varname,$env) = @_;
1631
1632 if (defined $struct->{SURROUNDING_ELEMENT}) {
1633 $self->pidl("NDR_CHECK(ndr_pull_array_size($ndr, &$varname->$struct->{SURROUNDING_ELEMENT}->{NAME}));");
1634 }
1635
1636 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $struct->{ALIGN}));");
1637
1638 if (defined($struct->{PROPERTIES}{relative_base})) {
1639 # set the current offset as base for relative pointers
1640 # and store it based on the toplevel struct/union
1641 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1642 }
1643
1644 $self->ParseElementPull($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}});
1645
1646 $self->add_deferred();
1647
1648 $self->pidl("NDR_CHECK(ndr_pull_trailer_align($ndr, $struct->{ALIGN}));");
1649 }
1650
1651 sub ParseStructPullDeferred($$$$$)
1652 {
1653 my ($self,$struct,$ndr,$varname,$env) = @_;
1654
1655 if (defined($struct->{PROPERTIES}{relative_base})) {
1656 # retrieve the current offset as base for relative pointers
1657 # based on the toplevel struct/union
1658 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1659 }
1660 foreach my $e (@{$struct->{ELEMENTS}}) {
1661 $self->ParseElementPull($e, $ndr, $env, 0, 1);
1662 }
1663
1664 $self->add_deferred();
1665 }
1666
1667 #####################################################################
1668 # parse a struct - pull side
1669 sub ParseStructPull($$$$)
1670 {
1671 my($self,$struct,$ndr,$varname) = @_;
1672
1673 return unless defined $struct->{ELEMENTS};
1674
1675 # declare any internal pointers we need
1676 foreach my $e (@{$struct->{ELEMENTS}}) {
1677 $self->DeclarePtrVariables($e);
1678 $self->DeclareArrayVariables($e);
1679 $self->DeclareMemCtxVariables($e);
1680 }
1681
1682 $self->start_flags($struct, $ndr);
1683
1684 my $env = GenerateStructEnv($struct, $varname);
1685
1686 $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
1687 $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1688 $self->indent;
1689 $self->ParseStructPullPrimitives($struct,$ndr,$varname,$env);
1690 $self->deindent;
1691 $self->pidl("}");
1692 $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1693 $self->indent;
1694 $self->ParseStructPullDeferred($struct,$ndr,$varname,$env);
1695 $self->deindent;
1696 $self->pidl("}");
1697
1698 $self->end_flags($struct, $ndr);
1699 }
1700
1701 #####################################################################
1702 # calculate size of ndr struct
1703 sub ParseStructNdrSize($$$$)
1704 {
1705 my ($self,$t, $name, $varname) = @_;
1706 my $sizevar;
1707
1708 if (my $flags = has_property($t, "flag")) {
1709 $self->pidl("flags |= $flags;");
1710 }
1711 $self->pidl("return ndr_size_struct($varname, flags, (ndr_push_flags_fn_t)ndr_push_$name);");
1712 }
1713
1714 sub DeclStruct($$$$)
1715 {
1716 my ($e,$t,$name,$varname) = @_;
1717 return ($t ne "pull"?"const ":"") . "struct $name *$varname";
1718 }
1719
1720 sub ArgsStructNdrSize($$$)
1721 {
1722 my ($d, $name, $varname) = @_;
1723 return "const struct $name *$varname, int flags";
1724 }
1725
1726 $typefamily{STRUCT} = {
1727 PUSH_FN_BODY => \&ParseStructPush,
1728 DECL => \&DeclStruct,
1729 PULL_FN_BODY => \&ParseStructPull,
1730 PRINT_FN_BODY => \&ParseStructPrint,
1731 SIZE_FN_BODY => \&ParseStructNdrSize,
1732 SIZE_FN_ARGS => \&ArgsStructNdrSize,
1733 };
1734
1735 #####################################################################
1736 # calculate size of ndr struct
1737 sub ParseUnionNdrSize($$$)
1738 {
1739 my ($self, $t, $name, $varname) = @_;
1740 my $sizevar;
1741
1742 if (my $flags = has_property($t, "flag")) {
1743 $self->pidl("flags |= $flags;");
1744 }
1745
1746 $self->pidl("return ndr_size_union($varname, flags, level, (ndr_push_flags_fn_t)ndr_push_$name);");
1747 }
1748
1749 sub ParseUnionPushPrimitives($$$$)
1750 {
1751 my ($self, $e, $ndr ,$varname) = @_;
1752
1753 my $have_default = 0;
1754
1755 $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1756
1757 if (defined($e->{SWITCH_TYPE})) {
1758 if (defined($e->{ALIGN})) {
1759 $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1760 }
1761
1762 $self->pidl("NDR_CHECK(ndr_push_$e->{SWITCH_TYPE}($ndr, NDR_SCALARS, level));");
1763 }
1764
1765 if (defined($e->{ALIGN})) {
1766 if ($e->{IS_MS_UNION}) {
1767 $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1768 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $e->{ALIGN}));");
1769 } else {
1770 $self->pidl("NDR_CHECK(ndr_push_union_align($ndr, $e->{ALIGN}));");
1771 }
1772 }
1773
1774 $self->pidl("switch (level) {");
1775 $self->indent;
1776 foreach my $el (@{$e->{ELEMENTS}}) {
1777 if ($el->{CASE} eq "default") {
1778 $have_default = 1;
1779 }
1780 $self->pidl("$el->{CASE}: {");
1781
1782 if ($el->{TYPE} ne "EMPTY") {
1783 $self->indent;
1784 if (defined($e->{PROPERTIES}{relative_base})) {
1785 $self->pidl("NDR_CHECK(ndr_push_align($ndr, $el->{ALIGN}));");
1786 # set the current offset as base for relative pointers
1787 # and store it based on the toplevel struct/union
1788 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1789 }
1790 $self->DeclareArrayVariables($el);
1791 $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1792 $self->deindent;
1793 }
1794 $self->pidl("break; }");
1795 $self->pidl("");
1796 }
1797 if (! $have_default) {
1798 $self->pidl("default:");
1799 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1800 }
1801 $self->deindent;
1802 $self->pidl("}");
1803 }
1804
1805 sub ParseUnionPushDeferred($$$$)
1806 {
1807 my ($self,$e,$ndr,$varname) = @_;
1808
1809 my $have_default = 0;
1810
1811 $self->pidl("uint32_t level = ndr_push_get_switch_value($ndr, $varname);");
1812 if (defined($e->{PROPERTIES}{relative_base})) {
1813 # retrieve the current offset as base for relative pointers
1814 # based on the toplevel struct/union
1815 $self->pidl("NDR_CHECK(ndr_push_setup_relative_base_offset2($ndr, $varname));");
1816 }
1817 $self->pidl("switch (level) {");
1818 $self->indent;
1819 foreach my $el (@{$e->{ELEMENTS}}) {
1820 if ($el->{CASE} eq "default") {
1821 $have_default = 1;
1822 }
1823
1824 $self->pidl("$el->{CASE}:");
1825 if ($el->{TYPE} ne "EMPTY") {
1826 $self->indent;
1827 $self->ParseElementPush($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1828 $self->deindent;
1829 }
1830 $self->pidl("break;");
1831 $self->pidl("");
1832 }
1833 if (! $have_default) {
1834 $self->pidl("default:");
1835 $self->pidl("\treturn ndr_push_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1836 }
1837 $self->deindent;
1838 $self->pidl("}");
1839 }
1840
1841 #####################################################################
1842 # parse a union - push side
1843 sub ParseUnionPush($$$$)
1844 {
1845 my ($self,$e,$ndr,$varname) = @_;
1846 my $have_default = 0;
1847
1848 $self->start_flags($e, $ndr);
1849
1850 $self->pidl("NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags);");
1851 $self->pidl("if (ndr_flags & NDR_SCALARS) {");
1852 $self->indent;
1853 $self->ParseUnionPushPrimitives($e, $ndr, $varname);
1854 $self->deindent;
1855 $self->pidl("}");
1856 $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
1857 $self->indent;
1858 $self->ParseUnionPushDeferred($e, $ndr, $varname);
1859 $self->deindent;
1860 $self->pidl("}");
1861 $self->end_flags($e, $ndr);
1862 }
1863
1864 #####################################################################
1865 # print a union
1866 sub ParseUnionPrint($$$$$)
1867 {
1868 my ($self,$e,$ndr,$name,$varname) = @_;
1869 my $have_default = 0;
1870
1871 $self->pidl("uint32_t level;");
1872 foreach my $el (@{$e->{ELEMENTS}}) {
1873 $self->DeclareArrayVariables($el);
1874 }
1875
1876 $self->start_flags($e, $ndr);
1877
1878 $self->pidl("level = ndr_print_get_switch_value($ndr, $varname);");
1879
1880 $self->pidl("ndr_print_union($ndr, name, level, \"$name\");");
1881
1882 $self->pidl("switch (level) {");
1883 $self->indent;
1884 foreach my $el (@{$e->{ELEMENTS}}) {
1885 if ($el->{CASE} eq "default") {
1886 $have_default = 1;
1887 }
1888 $self->pidl("$el->{CASE}:");
1889 if ($el->{TYPE} ne "EMPTY") {
1890 $self->indent;
1891 $self->ParseElementPrint($el, $ndr, "$varname->$el->{NAME}", {});
1892 $self->deindent;
1893 }
1894 $self->pidl("break;");
1895 $self->pidl("");
1896 }
1897 if (! $have_default) {
1898 $self->pidl("default:");
1899 $self->pidl("\tndr_print_bad_level($ndr, name, level);");
1900 }
1901 $self->deindent;
1902 $self->pidl("}");
1903
1904 $self->end_flags($e, $ndr);
1905 }
1906
1907 sub ParseUnionPullPrimitives($$$$$)
1908 {
1909 my ($self,$e,$ndr,$varname,$switch_type) = @_;
1910 my $have_default = 0;
1911
1912
1913 if (defined($switch_type)) {
1914 if (defined($e->{ALIGN})) {
1915 $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1916 }
1917
1918 $self->pidl("NDR_CHECK(ndr_pull_$switch_type($ndr, NDR_SCALARS, &_level));");
1919 $self->pidl("if (_level != level) {");
1920 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value %u for $varname at \%s\", _level, __location__);");
1921 $self->pidl("}");
1922 }
1923
1924 if (defined($e->{ALIGN})) {
1925 if ($e->{IS_MS_UNION}) {
1926 $self->pidl("/* ms_union is always aligned to the largest union arm*/");
1927 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $e->{ALIGN}));");
1928 } else {
1929 $self->pidl("NDR_CHECK(ndr_pull_union_align($ndr, $e->{ALIGN}));");
1930 }
1931 }
1932
1933 $self->pidl("switch (level) {");
1934 $self->indent;
1935 foreach my $el (@{$e->{ELEMENTS}}) {
1936 if ($el->{CASE} eq "default") {
1937 $have_default = 1;
1938 }
1939 $self->pidl("$el->{CASE}: {");
1940
1941 if ($el->{TYPE} ne "EMPTY") {
1942 $self->indent;
1943 $self->DeclarePtrVariables($el);
1944 $self->DeclareArrayVariables($el);
1945 if (defined($e->{PROPERTIES}{relative_base})) {
1946 $self->pidl("NDR_CHECK(ndr_pull_align($ndr, $el->{ALIGN}));");
1947 # set the current offset as base for relative pointers
1948 # and store it based on the toplevel struct/union
1949 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset1($ndr, $varname, $ndr->offset));");
1950 }
1951 $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 1, 0);
1952 $self->deindent;
1953 }
1954 $self->pidl("break; }");
1955 $self->pidl("");
1956 }
1957 if (! $have_default) {
1958 $self->pidl("default:");
1959 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1960 }
1961 $self->deindent;
1962 $self->pidl("}");
1963 }
1964
1965 sub ParseUnionPullDeferred($$$$)
1966 {
1967 my ($self,$e,$ndr,$varname) = @_;
1968 my $have_default = 0;
1969
1970 if (defined($e->{PROPERTIES}{relative_base})) {
1971 # retrieve the current offset as base for relative pointers
1972 # based on the toplevel struct/union
1973 $self->pidl("NDR_CHECK(ndr_pull_setup_relative_base_offset2($ndr, $varname));");
1974 }
1975 $self->pidl("switch (level) {");
1976 $self->indent;
1977 foreach my $el (@{$e->{ELEMENTS}}) {
1978 if ($el->{CASE} eq "default") {
1979 $have_default = 1;
1980 }
1981
1982 $self->pidl("$el->{CASE}:");
1983 if ($el->{TYPE} ne "EMPTY") {
1984 $self->indent;
1985 $self->ParseElementPull($el, $ndr, {$el->{NAME} => "$varname->$el->{NAME}"}, 0, 1);
1986 $self->deindent;
1987 }
1988 $self->pidl("break;");
1989 $self->pidl("");
1990 }
1991 if (! $have_default) {
1992 $self->pidl("default:");
1993 $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_BAD_SWITCH, \"Bad switch value \%u at \%s\", level, __location__);");
1994 }
1995 $self->deindent;
1996 $self->pidl("}");
1997
1998
1999 }
2000
2001 #####################################################################
2002 # parse a union - pull side
2003 sub ParseUnionPull($$$$)
2004 {
2005 my ($self,$e,$ndr,$varname) = @_;
2006 my $switch_type = $e->{SWITCH_TYPE};
2007
2008 $self->pidl("uint32_t level;");
2009 if (defined($switch_type)) {
2010 if (Parse::Pidl::Typelist::typeIs($switch_type, "ENUM")) {
2011 $switch_type = Parse::Pidl::Typelist::enum_type_fn(getType($switch_type)->{DATA});
2012 }
2013 $self->pidl(mapTypeName($switch_type) . " _level;");
2014 }
2015
2016 my %double_cases = ();
2017 foreach my $el (@{$e->{ELEMENTS}}) {
2018 next if ($el->{TYPE} eq "EMPTY");
2019 next if ($double_cases{"$el->{NAME}"});
2020 $self->DeclareMemCtxVariables($el);
2021 $double_cases{"$el->{NAME}"} = 1;
2022 }
2023
2024 $self->start_flags($e, $ndr);
2025
2026 $self->pidl("level = ndr_pull_get_switch_value($ndr, $varname);");
2027
2028 $self->pidl("NDR_PULL_CHECK_FLAGS(ndr, ndr_flags);");
2029 $self->pidl("if (ndr_flags & NDR_SCALARS) {");
2030 $self->indent;
2031 $self->ParseUnionPullPrimitives($e,$ndr,$varname,$switch_type);
2032 $self->deindent;
2033 $self->pidl("}");
2034
2035 $self->pidl("if (ndr_flags & NDR_BUFFERS) {");
2036 $self->indent;
2037 $self->ParseUnionPullDeferred($e,$ndr,$varname);
2038 $self->deindent;
2039 $self->pidl("}");
2040
2041 $self->add_deferred();
2042
2043 $self->end_flags($e, $ndr);
2044 }
2045
2046 sub DeclUnion($$$$)
2047 {
2048 my ($e,$t,$name,$varname) = @_;
2049 return ($t ne "pull"?"const ":"") . "union $name *$varname";
2050 }
2051
2052 sub ArgsUnionNdrSize($$)
2053 {
2054 my ($d,$name) = @_;
2055 return "const union $name *r, uint32_t level, int flags";
2056 }
2057
2058 $typefamily{UNION} = {
2059 PUSH_FN_BODY => \&ParseUnionPush,
2060 DECL => \&DeclUnion,
2061 PULL_FN_BODY => \&ParseUnionPull,
2062 PRINT_FN_BODY => \&ParseUnionPrint,
2063 SIZE_FN_ARGS => \&ArgsUnionNdrSize,
2064 SIZE_FN_BODY => \&ParseUnionNdrSize,
2065 };
2066
2067 #####################################################################
2068 # parse a typedef - push side
2069 sub ParseTypedefPush($$$$)
2070 {
2071 my($self,$e,$ndr,$varname) = @_;
2072
2073 my $env;
2074
2075 $env->{$e->{NAME}} = $varname;
2076
2077 $self->ParseElementPushLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2078 }
2079
2080 #####################################################################
2081 # parse a typedef - pull side
2082 sub ParseTypedefPull($$$$)
2083 {
2084 my($self,$e,$ndr,$varname) = @_;
2085
2086 my $env;
2087
2088 $env->{$e->{NAME}} = $varname;
2089
2090 $self->ParseElementPullLevel($e, $e->{LEVELS}[0], $ndr, $varname, $env, 1, 1);
2091 }
2092
2093 #####################################################################
2094 # parse a typedef - print side
2095 sub ParseTypedefPrint($$$$$)
2096 {
2097 my($self,$e,$ndr,$name,$varname) = @_;
2098
2099 $typefamily{$e->{DATA}->{TYPE}}->{PRINT_FN_BODY}->($self, $e->{DATA}, $ndr, $name, $varname);
2100 }
2101
2102 #####################################################################
2103 ## calculate the size of a structure
2104 sub ParseTypedefNdrSize($$$$)
2105 {
2106 my($self,$t,$name,$varname) = @_;
2107
2108 $typefamily{$t->{DATA}->{TYPE}}->{SIZE_FN_BODY}->($self, $t->{DATA}, $name, $varname);
2109 }
2110
2111 sub DeclTypedef($$$$)
2112 {
2113 my ($e, $t, $name, $varname) = @_;
2114
2115 return $typefamily{$e->{DATA}->{TYPE}}->{DECL}->($e->{DATA}, $t, $name, $varname);
2116 }
2117
2118 sub ArgsTypedefNdrSize($$$)
2119 {
2120 my ($d, $name, $varname) = @_;
2121 return $typefamily{$d->{DATA}->{TYPE}}->{SIZE_FN_ARGS}->($d->{DATA}, $name, $varname);
2122 }
2123
2124 $typefamily{TYPEDEF} = {
2125 PUSH_FN_BODY => \&ParseTypedefPush,
2126 DECL => \&DeclTypedef,
2127 PULL_FN_BODY => \&ParseTypedefPull,
2128 PRINT_FN_BODY => \&ParseTypedefPrint,
2129 SIZE_FN_ARGS => \&ArgsTypedefNdrSize,
2130 SIZE_FN_BODY => \&ParseTypedefNdrSize,
2131 };
2132
2133 sub ParsePipePushChunk($$)
2134 {
2135 my ($self, $t) = @_;
2136
2137 my $pipe = $t;
2138 $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2139 my $struct = $pipe->{DATA};
2140
2141 my $name = "$struct->{NAME}";
2142 my $ndr = "ndr";
2143 my $varname = "r";
2144
2145 my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "push", $name, $varname);
2146
2147 $self->fn_declare("push", $struct, "enum ndr_err_code ndr_push_$name(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2148
2149 return if has_property($t, "nopush");
2150
2151 $self->pidl("{");
2152 $self->indent;
2153
2154 $self->ParseStructPush($struct, $ndr, $varname);
2155 $self->pidl("");
2156
2157 $self->pidl("NDR_CHECK(ndr_push_pipe_chunk_trailer(ndr, ndr_flags, $varname->count));");
2158 $self->pidl("");
2159
2160 $self->pidl("return NDR_ERR_SUCCESS;");
2161 $self->deindent;
2162 $self->pidl("}");
2163 $self->pidl("");
2164 }
2165
2166 sub ParsePipePullChunk($$)
2167 {
2168 my ($self, $t) = @_;
2169
2170 my $pipe = $t;
2171 $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2172 my $struct = $pipe->{DATA};
2173
2174 my $name = "$struct->{NAME}";
2175 my $ndr = "ndr";
2176 my $varname = "r";
2177
2178 my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "pull", $name, $varname);
2179
2180 $self->fn_declare("pull", $struct, "enum ndr_err_code ndr_pull_$name(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2181
2182 return if has_property($struct, "nopull");
2183
2184 $self->pidl("{");
2185 $self->indent;
2186
2187 $self->ParseStructPull($struct, $ndr, $varname);
2188 $self->pidl("");
2189
2190 $self->pidl("NDR_CHECK(ndr_check_pipe_chunk_trailer($ndr, ndr_flags, $varname->count));");
2191 $self->pidl("");
2192
2193 $self->pidl("return NDR_ERR_SUCCESS;");
2194 $self->deindent;
2195 $self->pidl("}");
2196 $self->pidl("");
2197 }
2198
2199 sub ParsePipePrintChunk($$)
2200 {
2201 my ($self, $t) = @_;
2202
2203 my $pipe = $t;
2204 $pipe = $t->{DATA} if ($t->{TYPE} eq "TYPEDEF");
2205 my $struct = $pipe->{DATA};
2206
2207 my $name = "$struct->{NAME}";
2208 my $ndr = "ndr";
2209 my $varname = "r";
2210
2211 my $args = $typefamily{$struct->{TYPE}}->{DECL}->($struct, "print", $name, $varname);
2212
2213 $self->pidl_hdr("void ndr_print_$name(struct ndr_print *ndr, const char *name, $args);");
2214
2215 return if (has_property($t, "noprint"));
2216
2217 $self->pidl("_PUBLIC_ void ndr_print_$name(struct ndr_print *$ndr, const char *name, $args)");
2218 $self->pidl("{");
2219 $self->indent;
2220 $self->ParseTypePrint($struct, $ndr, $varname);
2221 $self->deindent;
2222 $self->pidl("}");
2223 $self->pidl("");
2224 }
2225
2226 #####################################################################
2227 # parse a function - print side
2228 sub ParseFunctionPrint($$)
2229 {
2230 my($self, $fn) = @_;
2231 my $ndr = "ndr";
2232
2233 $self->pidl_hdr("void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r);");
2234
2235 return if has_property($fn, "noprint");
2236
2237 $self->pidl("_PUBLIC_ void ndr_print_$fn->{NAME}(struct ndr_print *$ndr, const char *name, int flags, const struct $fn->{NAME} *r)");
2238 $self->pidl("{");
2239 $self->indent;
2240
2241 foreach my $e (@{$fn->{ELEMENTS}}) {
2242 $self->DeclareArrayVariables($e);
2243 }
2244
2245 $self->pidl("ndr_print_struct($ndr, name, \"$fn->{NAME}\");");
2246 $self->pidl("if (r == NULL) { ndr_print_null($ndr); return; }");
2247 $self->pidl("$ndr->depth++;");
2248
2249 $self->pidl("if (flags & NDR_SET_VALUES) {");
2250 $self->pidl("\t$ndr->flags |= LIBNDR_PRINT_SET_VALUES;");
2251 $self->pidl("}");
2252
2253 $self->pidl("if (flags & NDR_IN) {");
2254 $self->indent;
2255 $self->pidl("ndr_print_struct($ndr, \"in\", \"$fn->{NAME}\");");
2256 $self->pidl("$ndr->depth++;");
2257
2258 my $env = GenerateFunctionInEnv($fn);
2259
2260 foreach my $e (@{$fn->{ELEMENTS}}) {
2261 if (grep(/in/,@{$e->{DIRECTION}})) {
2262 $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2263 }
2264 }
2265 $self->pidl("$ndr->depth--;");
2266 $self->deindent;
2267 $self->pidl("}");
2268
2269 $self->pidl("if (flags & NDR_OUT) {");
2270 $self->indent;
2271 $self->pidl("ndr_print_struct($ndr, \"out\", \"$fn->{NAME}\");");
2272 $self->pidl("$ndr->depth++;");
2273
2274 $env = GenerateFunctionOutEnv($fn);
2275 foreach my $e (@{$fn->{ELEMENTS}}) {
2276 if (grep(/out/,@{$e->{DIRECTION}})) {
2277 $self->ParseElementPrint($e, $ndr, $env->{$e->{NAME}}, $env);
2278 }
2279 }
2280 if ($fn->{RETURN_TYPE}) {
2281 $self->pidl("ndr_print_$fn->{RETURN_TYPE}($ndr, \"result\", r->out.result);");
2282 }
2283 $self->pidl("$ndr->depth--;");
2284 $self->deindent;
2285 $self->pidl("}");
2286
2287 $self->pidl("$ndr->depth--;");
2288 $self->deindent;
2289 $self->pidl("}");
2290 $self->pidl("");
2291 }
2292
2293 #####################################################################
2294 # parse a function
2295 sub ParseFunctionPush($$)
2296 {
2297 my($self, $fn) = @_;
2298 my $ndr = "ndr";
2299
2300 $self->fn_declare("push", $fn, "enum ndr_err_code ndr_push_$fn->{NAME}(struct ndr_push *$ndr, int flags, const struct $fn->{NAME} *r)") or return;
2301
2302 return if has_property($fn, "nopush");
2303
2304 $self->pidl("{");
2305 $self->indent;
2306
2307 foreach my $e (@{$fn->{ELEMENTS}}) {
2308 $self->DeclareArrayVariables($e);
2309 }
2310
2311 $self->pidl("NDR_PUSH_CHECK_FN_FLAGS(ndr, flags);");
2312
2313 $self->pidl("if (flags & NDR_IN) {");
2314 $self->indent;
2315
2316 my $env = GenerateFunctionInEnv($fn);
2317
2318 EnvSubstituteValue($env, $fn);
2319
2320 foreach my $e (@{$fn->{ELEMENTS}}) {
2321 if (grep(/in/,@{$e->{DIRECTION}})) {
2322 $self->ParseElementPush($e, $ndr, $env, 1, 1);
2323 }
2324 }
2325
2326 $self->deindent;
2327 $self->pidl("}");
2328
2329 $self->pidl("if (flags & NDR_OUT) {");
2330 $self->indent;
2331
2332 $env = GenerateFunctionOutEnv($fn);
2333 foreach my $e (@{$fn->{ELEMENTS}}) {
2334 if (grep(/out/,@{$e->{DIRECTION}})) {
2335 $self->ParseElementPush($e, $ndr, $env, 1, 1);
2336 }
2337 }
2338
2339 if ($fn->{RETURN_TYPE}) {
2340 $self->pidl("NDR_CHECK(ndr_push_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, r->out.result));");
2341 }
2342
2343 $self->deindent;
2344 $self->pidl("}");
2345 $self->pidl("return NDR_ERR_SUCCESS;");
2346 $self->deindent;
2347 $self->pidl("}");
2348 $self->pidl("");
2349 }
2350
2351 sub AllocateArrayLevel($$$$$$)
2352 {
2353 my ($self,$e,$l,$ndr,$var,$size) = @_;
2354
2355 my $pl = GetPrevLevel($e, $l);
2356 if (defined($pl) and
2357 $pl->{TYPE} eq "POINTER" and
2358 $pl->{POINTER_TYPE} eq "ref"
2359 and not $l->{IS_ZERO_TERMINATED}) {
2360 $self->pidl("if ($ndr->flags & LIBNDR_FLAG_REF_ALLOC) {");
2361 $self->pidl("\tNDR_PULL_ALLOC_N($ndr, $var, $size);");
2362 $self->pidl("}");
2363 if (grep(/in/,@{$e->{DIRECTION}}) and
2364 grep(/out/,@{$e->{DIRECTION}})) {
2365 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2366 }
2367 return;
2368 }
2369
2370 $self->pidl("NDR_PULL_ALLOC_N($ndr, $var, $size);");
2371 }
2372
2373 #####################################################################
2374 # parse a function
2375 sub ParseFunctionPull($$)
2376 {
2377 my($self,$fn) = @_;
2378 my $ndr = "ndr";
2379
2380 # pull function args
2381 $self->fn_declare("pull", $fn, "enum ndr_err_code ndr_pull_$fn->{NAME}(struct ndr_pull *$ndr, int flags, struct $fn->{NAME} *r)") or return;
2382
2383 $self->pidl("{");
2384 $self->indent;
2385
2386 # declare any internal pointers we need
2387 foreach my $e (@{$fn->{ELEMENTS}}) {
2388 $self->DeclarePtrVariables($e);
2389 $self->DeclareArrayVariables($e);
2390 }
2391
2392 my %double_cases = ();
2393 foreach my $e (@{$fn->{ELEMENTS}}) {
2394 next if ($e->{TYPE} eq "EMPTY");
2395 next if ($double_cases{"$e->{NAME}"});
2396 $self->DeclareMemCtxVariables($e);
2397 $double_cases{"$e->{NAME}"} = 1;
2398 }
2399
2400 $self->pidl("NDR_PULL_CHECK_FN_FLAGS(ndr, flags);");
2401
2402 $self->pidl("if (flags & NDR_IN) {");
2403 $self->indent;
2404
2405 # auto-init the out section of a structure. I originally argued that
2406 # this was a bad idea as it hides bugs, but coping correctly
2407 # with initialisation and not wiping ref vars is turning
2408 # out to be too tricky (tridge)
2409 foreach my $e (@{$fn->{ELEMENTS}}) {
2410 next unless grep(/out/, @{$e->{DIRECTION}});
2411 $self->pidl("ZERO_STRUCT(r->out);");
2412 $self->pidl("");
2413 last;
2414 }
2415
2416 my $env = GenerateFunctionInEnv($fn);
2417
2418 foreach my $e (@{$fn->{ELEMENTS}}) {
2419 next unless (grep(/in/, @{$e->{DIRECTION}}));
2420 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2421 }
2422
2423 # allocate the "simple" out ref variables. FIXME: Shouldn't this have it's
2424 # own flag rather than be in NDR_IN ?
2425
2426 foreach my $e (@{$fn->{ELEMENTS}}) {
2427 next unless (grep(/out/, @{$e->{DIRECTION}}));
2428 next unless ($e->{LEVELS}[0]->{TYPE} eq "POINTER" and
2429 $e->{LEVELS}[0]->{POINTER_TYPE} eq "ref");
2430 next if (($e->{LEVELS}[1]->{TYPE} eq "DATA") and
2431 ($e->{LEVELS}[1]->{DATA_TYPE} eq "string"));
2432 next if ($e->{LEVELS}[1]->{TYPE} eq "PIPE");
2433 next if (($e->{LEVELS}[1]->{TYPE} eq "ARRAY")
2434 and $e->{LEVELS}[1]->{IS_ZERO_TERMINATED});
2435
2436 if ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2437 my $size = ParseExprExt($e->{LEVELS}[1]->{SIZE_IS}, $env, $e->{ORIGINAL},
2438 check_null_pointer($e, $env, sub { $self->pidl(shift); },
2439 "return ndr_pull_error($ndr, NDR_ERR_INVALID_POINTER, \"NULL Pointer for size_is()\");"),
2440 check_fully_dereferenced($e, $env));
2441 $self->pidl("NDR_PULL_ALLOC_N($ndr, r->out.$e->{NAME}, $size);");
2442
2443 if (grep(/in/, @{$e->{DIRECTION}})) {
2444 $self->pidl("memcpy(r->out.$e->{NAME}, r->in.$e->{NAME}, ($size) * sizeof(*r->in.$e->{NAME}));");
2445 } else {
2446 $self->pidl("memset(r->out.$e->{NAME}, 0, ($size) * sizeof(*r->out.$e->{NAME}));");
2447 }
2448 } elsif ($e->{LEVELS}[1]->{TYPE} eq "ARRAY") {
2449 if (grep(/in/, @{$e->{DIRECTION}})) {
2450 $self->pidl("r->out.$e->{NAME} = r->in.$e->{NAME};");
2451 } else {
2452 $self->pidl("r->out.$e->{NAME} = NULL;");
2453 }
2454 } else {
2455 $self->pidl("NDR_PULL_ALLOC($ndr, r->out.$e->{NAME});");
2456
2457 if (grep(/in/, @{$e->{DIRECTION}})) {
2458 $self->pidl("*r->out.$e->{NAME} = *r->in.$e->{NAME};");
2459 } else {
2460 $self->pidl("ZERO_STRUCTP(r->out.$e->{NAME});");
2461 }
2462 }
2463 }
2464
2465 $self->add_deferred();
2466 $self->deindent;
2467 $self->pidl("}");
2468
2469 $self->pidl("if (flags & NDR_OUT) {");
2470 $self->indent;
2471
2472 $env = GenerateFunctionOutEnv($fn);
2473 foreach my $e (@{$fn->{ELEMENTS}}) {
2474 next unless grep(/out/, @{$e->{DIRECTION}});
2475 $self->ParseElementPull($e, $ndr, $env, 1, 1);
2476 }
2477
2478 if ($fn->{RETURN_TYPE}) {
2479 $self->pidl("NDR_CHECK(ndr_pull_$fn->{RETURN_TYPE}($ndr, NDR_SCALARS, &r->out.result));");
2480 }
2481
2482 $self->add_deferred();
2483 $self->deindent;
2484 $self->pidl("}");
2485
2486 $self->pidl("return NDR_ERR_SUCCESS;");
2487 $self->deindent;
2488 $self->pidl("}");
2489 $self->pidl("");
2490 }
2491
2492 sub AuthServiceStruct($$$)
2493 {
2494 my ($self, $ifacename, $authservice) = @_;
2495 my @a = split /,/, $authservice;
2496 my $authservice_count = $#a + 1;
2497
2498 $self->pidl("static const char * const $ifacename\_authservice_strings[] = {");
2499 foreach my $ap (@a) {
2500 $self->pidl("\t$ap, ");
2501 }
2502 $self->pidl("};");
2503 $self->pidl("");
2504
2505 $self->pidl("static const struct ndr_interface_string_array $ifacename\_authservices = {");
2506 $self->pidl("\t.count\t= $authservice_count,");
2507 $self->pidl("\t.names\t= $ifacename\_authservice_strings");
2508 $self->pidl("};");
2509 $self->pidl("");
2510 }
2511
2512 sub ParseGeneratePipeArray($$$)
2513 {
2514 my ($self, $fn, $direction) = @_;
2515
2516 $self->pidl("static const struct ndr_interface_call_pipe $fn->{NAME}\_$direction\_pipes[] = {");
2517 $self->indent;
2518
2519 foreach my $e (@{$fn->{ELEMENTS}}) {
2520 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2521 next unless (grep(/$direction/, @{$e->{DIRECTION}}));
2522
2523 my $cname = "$e->{TYPE}_chunk";
2524
2525 $self->pidl("{");
2526 $self->indent;
2527 $self->pidl("\"$direction.$e->{NAME}\",");
2528 $self->pidl("\"$cname\",");
2529 $self->pidl("sizeof(struct $cname),");
2530 $self->pidl("(ndr_push_flags_fn_t) ndr_push_$cname,");
2531 $self->pidl("(ndr_pull_flags_fn_t) ndr_pull_$cname,");
2532 $self->pidl("(ndr_print_fn_t) ndr_print_$cname,");
2533 $self->deindent;
2534 $self->pidl("},");
2535 }
2536 $self->pidl("{ NULL, NULL, 0, NULL, NULL, NULL }");
2537 $self->deindent;
2538 $self->pidl("};");
2539 $self->pidl("");
2540 }
2541
2542 sub FunctionCallPipes($$)
2543 {
2544 my ($self, $d) = @_;
2545 return if not defined($d->{OPNUM});
2546
2547 my $in_pipes = 0;
2548 my $out_pipes = 0;
2549
2550 foreach my $e (@{$d->{ELEMENTS}}) {
2551 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2552
2553 if (grep(/in/, @{$e->{DIRECTION}})) {
2554 $in_pipes++;
2555 }
2556 if (grep(/out/, @{$e->{DIRECTION}})) {
2557 $out_pipes++;
2558 }
2559 }
2560
2561 if ($in_pipes) {
2562 $self->ParseGeneratePipeArray($d, "in");
2563 }
2564
2565 if ($out_pipes) {
2566 $self->ParseGeneratePipeArray($d, "out");
2567 }
2568 }
2569
2570 sub FunctionCallEntry($$)
2571 {
2572 my ($self, $d) = @_;
2573 return 0 if not defined($d->{OPNUM});
2574
2575 my $in_pipes = 0;
2576 my $out_pipes = 0;
2577
2578 foreach my $e (@{$d->{ELEMENTS}}) {
2579 next unless ContainsPipe($e, $e->{LEVELS}[0]);
2580
2581 if (grep(/in/, @{$e->{DIRECTION}})) {
2582 $in_pipes++;
2583 }
2584 if (grep(/out/, @{$e->{DIRECTION}})) {
2585 $out_pipes++;
2586 }
2587 }
2588
2589 my $in_pipes_ptr = "NULL";
2590 my $out_pipes_ptr = "NULL";
2591
2592 if ($in_pipes) {
2593 $in_pipes_ptr = "$d->{NAME}_in_pipes";
2594 }
2595
2596 if ($out_pipes) {
2597 $out_pipes_ptr = "$d->{NAME}_out_pipes";
2598 }
2599
2600 $self->pidl("\t{");
2601 $self->pidl("\t\t\"$d->{NAME}\",");
2602 $self->pidl("\t\tsizeof(struct $d->{NAME}),");
2603 $self->pidl("\t\t(ndr_push_flags_fn_t) ndr_push_$d->{NAME},");
2604 $self->pidl("\t\t(ndr_pull_flags_fn_t) ndr_pull_$d->{NAME},");
2605 $self->pidl("\t\t(ndr_print_function_t) ndr_print_$d->{NAME},");
2606 $self->pidl("\t\t{ $in_pipes, $in_pipes_ptr },");
2607 $self->pidl("\t\t{ $out_pipes, $out_pipes_ptr },");
2608 $self->pidl("\t},");
2609 return 1;
2610 }
2611
2612 #####################################################################
2613 # produce a function call table
2614 sub FunctionTable($$)
2615 {
2616 my($self,$interface) = @_;
2617 my $count = 0;
2618 my $uname = uc $interface->{NAME};
2619
2620 return if ($#{$interface->{FUNCTIONS}}+1 == 0);
2621 return unless defined ($interface->{PROPERTIES}->{uuid});
2622
2623 foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2624 $self->FunctionCallPipes($d);
2625 }
2626
2627 $self->pidl("static const struct ndr_interface_call $interface->{NAME}\_calls[] = {");
2628
2629 foreach my $d (@{$interface->{INHERITED_FUNCTIONS}},@{$interface->{FUNCTIONS}}) {
2630 $count += $self->FunctionCallEntry($d);
2631 }
2632 $self->pidl("\t{ NULL, 0, NULL, NULL, NULL }");
2633 $self->pidl("};");
2634 $self->pidl("");
2635
2636 $self->pidl("static const char * const $interface->{NAME}\_endpoint_strings[] = {");
2637 foreach my $ep (@{$interface->{ENDPOINTS}}) {
2638 $self->pidl("\t$ep, ");
2639 }
2640 my $endpoint_count = $#{$interface->{ENDPOINTS}}+1;
2641
2642 $self->pidl("};");
2643 $self->pidl("");
2644
2645 $self->pidl("static const struct ndr_interface_string_array $interface->{NAME}\_endpoints = {");
2646 $self->pidl("\t.count\t= $endpoint_count,");
2647 $self->pidl("\t.names\t= $interface->{NAME}\_endpoint_strings");
2648 $self->pidl("};");
2649 $self->pidl("");
2650
2651 if (! defined $interface->{PROPERTIES}->{authservice}) {
2652 $interface->{PROPERTIES}->{authservice} = "\"host\"";
2653 }
2654
2655 $self->AuthServiceStruct($interface->{NAME},
2656 $interface->{PROPERTIES}->{authservice});
2657
2658 $self->pidl("\nconst struct ndr_interface_table ndr_table_$interface->{NAME} = {");
2659 $self->pidl("\t.name\t\t= \"$interface->{NAME}\",");
2660 $self->pidl("\t.syntax_id\t= {");
2661 $self->pidl("\t\t" . print_uuid($interface->{UUID}) .",");
2662 $self->pidl("\t\tNDR_$uname\_VERSION");
2663 $self->pidl("\t},");
2664 $self->pidl("\t.helpstring\t= NDR_$uname\_HELPSTRING,");
2665 $self->pidl("\t.num_calls\t= $count,");
2666 $self->pidl("\t.calls\t\t= $interface->{NAME}\_calls,");
2667 $self->pidl("\t.endpoints\t= &$interface->{NAME}\_endpoints,");
2668 $self->pidl("\t.authservices\t= &$interface->{NAME}\_authservices");
2669 $self->pidl("};");
2670 $self->pidl("");
2671
2672 }
2673
2674 #####################################################################
2675 # generate include statements for imported idl files
2676 sub HeaderImport
2677 {
2678 my $self = shift;
2679 my @imports = @_;
2680 foreach (@imports) {
2681 $_ = unmake_str($_);
2682 s/\.idl$//;
2683 $self->pidl(choose_header("librpc/gen_ndr/ndr_$_\.h", "gen_ndr/ndr_$_.h"));
2684 }
2685 }
2686
2687 #####################################################################
2688 # generate include statements for included header files
2689 sub HeaderInclude
2690 {
2691 my $self = shift;
2692 my @includes = @_;
2693 foreach (@includes) {
2694 $self->pidl_hdr("#include $_");
2695 }
2696 }
2697
2698 #####################################################################
2699 # generate prototypes and defines for the interface definitions
2700 # FIXME: these prototypes are for the DCE/RPC client functions, not the
2701 # NDR parser and so do not belong here, technically speaking
2702 sub HeaderInterface($$$)
2703 {
2704 my($self,$interface,$needed) = @_;
2705
2706 my $count = 0;
2707
2708 if ($needed->{"compression"}) {
2709 $self->pidl(choose_header("librpc/ndr/ndr_compression.h", "ndr/compression.h"));
2710 }
2711
2712 if (has_property($interface, "object")) {
2713 $self->pidl(choose_header("librpc/gen_ndr/ndr_orpc.h", "ndr/orpc.h"));
2714 }
2715
2716 if (defined $interface->{PROPERTIES}->{helper}) {
2717 $self->HeaderInclude(split /,/, $interface->{PROPERTIES}->{helper});
2718 }
2719
2720 if (defined $interface->{PROPERTIES}->{uuid}) {
2721 my $name = uc $interface->{NAME};
2722 $self->pidl_hdr("#define NDR_$name\_UUID " .
2723 Parse::Pidl::Util::make_str(lc($interface->{UUID})));
2724
2725 $self->pidl_hdr("#define NDR_$name\_VERSION $interface->{VERSION}");
2726
2727 $self->pidl_hdr("#define NDR_$name\_NAME \"$interface->{NAME}\"");
2728
2729 if(!defined $interface->{PROPERTIES}->{helpstring}) { $interface->{PROPERTIES}->{helpstring} = "NULL"; }
2730 $self->pidl_hdr("#define NDR_$name\_HELPSTRING $interface->{PROPERTIES}->{helpstring}");
2731
2732 $self->pidl_hdr("extern const struct ndr_interface_table ndr_table_$interface->{NAME};");
2733 }
2734
2735 foreach (@{$interface->{FUNCTIONS}}) {
2736 next if has_property($_, "noopnum");
2737 next if grep(/^$_->{NAME}$/,@{$interface->{INHERITED_FUNCTIONS}});
2738 my $u_name = uc $_->{NAME};
2739
2740 my $val = sprintf("0x%02x", $count);
2741 if (defined($interface->{BASE})) {
2742 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2743 }
2744
2745 $self->pidl_hdr("#define NDR_$u_name ($val)");
2746
2747 $self->pidl_hdr("");
2748 $count++;
2749 }
2750
2751 my $val = $count;
2752
2753 if (defined($interface->{BASE})) {
2754 $val .= " + NDR_" . uc $interface->{BASE} . "_CALL_COUNT";
2755 }
2756
2757 $self->pidl_hdr("#define NDR_" . uc $interface->{NAME} . "_CALL_COUNT ($val)");
2758
2759 }
2760
2761 sub ParseTypePush($$$$$$)
2762 {
2763 my ($self,$e, $ndr, $varname, $primitives, $deferred) = @_;
2764
2765 # save the old relative_base_offset
2766 $self->pidl("uint32_t _save_relative_base_offset = ndr_push_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2767 $typefamily{$e->{TYPE}}->{PUSH_FN_BODY}->($self, $e, $ndr, $varname);
2768 # restore the old relative_base_offset
2769 $self->pidl("ndr_push_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2770 }
2771
2772 sub ParseTypePushFunction($$$)
2773 {
2774 my ($self, $e, $varname) = @_;
2775 my $ndr = "ndr";
2776
2777 my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "push", $e->{NAME}, $varname);
2778
2779 $self->fn_declare("push", $e, "enum ndr_err_code ".TypeFunctionName("ndr_push", $e)."(struct ndr_push *$ndr, int ndr_flags, $args)") or return;
2780
2781 $self->pidl("{");
2782 $self->indent;
2783 $self->ParseTypePush($e, $ndr, $varname, 1, 1);
2784 $self->pidl("return NDR_ERR_SUCCESS;");
2785 $self->deindent;
2786 $self->pidl("}");
2787 $self->pidl("");;
2788 }
2789
2790 sub ParseTypePull($$$$$$)
2791 {
2792 my ($self, $e, $ndr, $varname, $primitives, $deferred) = @_;
2793
2794 # save the old relative_base_offset
2795 $self->pidl("uint32_t _save_relative_base_offset = ndr_pull_get_relative_base_offset($ndr);") if defined(has_property($e, "relative_base"));
2796 $typefamily{$e->{TYPE}}->{PULL_FN_BODY}->($self, $e, $ndr, $varname);
2797 # restore the old relative_base_offset
2798 $self->pidl("ndr_pull_restore_relative_base_offset($ndr, _save_relative_base_offset);") if defined(has_property($e, "relative_base"));
2799 }
2800
2801 sub ParseTypePullFunction($$)
2802 {
2803 my ($self, $e, $varname) = @_;
2804 my $ndr = "ndr";
2805
2806 my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "pull", $e->{NAME}, $varname);
2807
2808 $self->fn_declare("pull", $e, "enum ndr_err_code ".TypeFunctionName("ndr_pull", $e)."(struct ndr_pull *$ndr, int ndr_flags, $args)") or return;
2809
2810 $self->pidl("{");
2811 $self->indent;
2812 $self->ParseTypePull($e, $ndr, $varname, 1, 1);
2813 $self->pidl("return NDR_ERR_SUCCESS;");
2814 $self->deindent;
2815 $self->pidl("}");
2816 $self->pidl("");
2817 }
2818
2819 sub ParseTypePrint($$$$)
2820 {
2821 my ($self, $e, $ndr, $varname) = @_;
2822
2823 $typefamily{$e->{TYPE}}->{PRINT_FN_BODY}->($self, $e, $ndr, $e->{NAME}, $varname);
2824 }
2825
2826 sub ParseTypePrintFunction($$$)
2827 {
2828 my ($self, $e, $varname) = @_;
2829 my $ndr = "ndr";
2830
2831 my $args = $typefamily{$e->{TYPE}}->{DECL}->($e, "print", $e->{NAME}, $varname);
2832
2833 $self->pidl_hdr("void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *ndr, const char *name, $args);");
2834
2835 return if (has_property($e, "noprint"));
2836
2837 $self->pidl("_PUBLIC_ void ".TypeFunctionName("ndr_print", $e)."(struct ndr_print *$ndr, const char *name, $args)");
2838 $self->pidl("{");
2839 $self->indent;
2840 $self->ParseTypePrint($e, $ndr, $varname);
2841 $self->deindent;
2842 $self->pidl("}");
2843 $self->pidl("");
2844 }
2845
2846 sub ParseTypeNdrSize($$)
2847 {
2848 my ($self,$t) = @_;
2849
2850 my $varname = "r";
2851 my $tf = $typefamily{$t->{TYPE}};
2852 my $args = $tf->{SIZE_FN_ARGS}->($t, $t->{NAME}, $varname);
2853
2854 $self->fn_declare("size", $t, "size_t ndr_size_$t->{NAME}($args)") or return;
2855
2856 $self->pidl("{");
2857 $self->indent;
2858 $typefamily{$t->{TYPE}}->{SIZE_FN_BODY}->($self,$t, $t->{NAME}, $varname);
2859 $self->deindent;
2860 $self->pidl("}");
2861 $self->pidl("");
2862 }
2863
2864 #####################################################################
2865 # parse the interface definitions
2866 sub ParseInterface($$$)
2867 {
2868 my($self,$interface,$needed) = @_;
2869
2870 $self->pidl_hdr("#ifndef _HEADER_NDR_$interface->{NAME}");
2871 $self->pidl_hdr("#define _HEADER_NDR_$interface->{NAME}");
2872
2873 $self->pidl_hdr("");
2874
2875 $self->HeaderInterface($interface, $needed);
2876
2877 # Typedefs
2878 foreach my $d (@{$interface->{TYPES}}) {
2879 if (Parse::Pidl::Typelist::typeIs($d, "PIPE")) {
2880 ($needed->{TypeFunctionName("ndr_push", $d)}) &&
2881 $self->ParsePipePushChunk($d);
2882 ($needed->{TypeFunctionName("ndr_pull", $d)}) &&
2883 $self->ParsePipePullChunk($d);
2884 ($needed->{TypeFunctionName("ndr_print", $d)}) &&
2885 $self->ParsePipePrintChunk($d);
2886
2887 $needed->{TypeFunctionName("ndr_pull", $d)} = 0;
2888 $needed->{TypeFunctionName("ndr_push", $d)} = 0;
2889 $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2890 next;
2891 }
2892
2893 next unless(typeHasBody($d));
2894
2895 ($needed->{TypeFunctionName("ndr_push", $d)}) && $self->ParseTypePushFunction($d, "r");
2896 ($needed->{TypeFunctionName("ndr_pull", $d)}) && $self->ParseTypePullFunction($d, "r");
2897 ($needed->{TypeFunctionName("ndr_print", $d)}) && $self->ParseTypePrintFunction($d, "r");
2898
2899 # Make sure we don't generate a function twice...
2900 $needed->{TypeFunctionName("ndr_push", $d)} =
2901 $needed->{TypeFunctionName("ndr_pull", $d)} =
2902 $needed->{TypeFunctionName("ndr_print", $d)} = 0;
2903
2904 ($needed->{"ndr_size_$d->{NAME}"}) && $self->ParseTypeNdrSize($d);
2905 }
2906
2907 # Functions
2908 foreach my $d (@{$interface->{FUNCTIONS}}) {
2909 ($needed->{"ndr_push_$d->{NAME}"}) && $self->ParseFunctionPush($d);
2910 ($needed->{"ndr_pull_$d->{NAME}"}) && $self->ParseFunctionPull($d);
2911 ($needed->{"ndr_print_$d->{NAME}"}) && $self->ParseFunctionPrint($d);
2912 }
2913
2914 $self->FunctionTable($interface);
2915
2916 $self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */");
2917 }
2918
2919 sub GenerateIncludes($)
2920 {
2921 my ($self) = @_;
2922 if (is_intree()) {
2923 $self->pidl("#include \"includes.h\"");
2924 } else {
2925 $self->pidl("#ifndef _GNU_SOURCE");
2926 $self->pidl("#define _GNU_SOURCE");
2927 $self->pidl("#endif");
2928 $self->pidl("#include <stdint.h>");
2929 $self->pidl("#include <stdlib.h>");
2930 $self->pidl("#include <stdio.h>");
2931 $self->pidl("#include <stdbool.h>");
2932 $self->pidl("#include <stdarg.h>");
2933 $self->pidl("#include <string.h>");
2934 }
2935 }
2936
2937 #####################################################################
2938 # parse a parsed IDL structure back into an IDL file
2939 sub Parse($$$$)
2940 {
2941 my($self, $ndr,$gen_header,$ndr_header) = @_;
2942
2943 $self->pidl_hdr("/* header auto-generated by pidl */");
2944 $self->pidl_hdr("");
2945 $self->pidl_hdr(choose_header("librpc/ndr/libndr.h", "ndr.h"));
2946 $self->pidl_hdr("#include \"$gen_header\"") if ($gen_header);
2947 $self->pidl_hdr("");
2948
2949 $self->pidl("/* parser auto-generated by pidl */");
2950 $self->pidl("");
2951 $self->GenerateIncludes();
2952 $self->pidl("#include \"$ndr_header\"") if ($ndr_header);
2953 $self->pidl("");
2954
2955 my %needed = ();
2956
2957 foreach (@{$ndr}) {
2958 ($_->{TYPE} eq "INTERFACE") && NeededInterface($_, \%needed);
2959 }
2960
2961 foreach (@{$ndr}) {
2962 ($_->{TYPE} eq "INTERFACE") && $self->ParseInterface($_, \%needed);
2963 ($_->{TYPE} eq "IMPORT") && $self->HeaderImport(@{$_->{PATHS}});
2964 ($_->{TYPE} eq "INCLUDE") && $self->HeaderInclude(@{$_->{PATHS}});
2965 }
2966
2967 return ($self->{res_hdr}, $self->{res});
2968 }
2969
2970 sub NeededElement($$$)
2971 {
2972 my ($e, $dir, $needed) = @_;
2973
2974 return if ($e->{TYPE} eq "EMPTY");
2975
2976 return if (ref($e->{TYPE}) eq "HASH" and
2977 not defined($e->{TYPE}->{NAME}));
2978
2979 my ($t, $rt);
2980 if (ref($e->{TYPE}) eq "HASH") {
2981 $t = $e->{TYPE}->{TYPE}."_".$e->{TYPE}->{NAME};
2982 } else {
2983 $t = $e->{TYPE};
2984 }
2985
2986 if (ref($e->{REPRESENTATION_TYPE}) eq "HASH") {
2987 $rt = $e->{REPRESENTATION_TYPE}->{TYPE}."_".$e->{REPRESENTATION_TYPE}->{NAME};
2988 } else {
2989 $rt = $e->{REPRESENTATION_TYPE};
2990 }
2991
2992 die ("$e->{NAME} $t, $rt FOO") unless ($rt ne "");
2993
2994 my @fn = ();
2995 if ($dir eq "print") {
2996 push(@fn, TypeFunctionName("ndr_print", $e->{REPRESENTATION_TYPE}));
2997 } elsif ($dir eq "pull") {
2998 push (@fn, TypeFunctionName("ndr_pull", $e->{TYPE}));
2999 push (@fn, "ndr_$t\_to_$rt")
3000 if ($rt ne $t);
3001 } elsif ($dir eq "push") {
3002 push (@fn, TypeFunctionName("ndr_push", $e->{TYPE}));
3003 push (@fn, "ndr_$rt\_to_$t")
3004 if ($rt ne $t);
3005 } else {
3006 die("invalid direction `$dir'");
3007 }
3008
3009 foreach (@fn) {
3010 unless (defined($needed->{$_})) {
3011 $needed->{$_} = 1;
3012 }
3013 }
3014 }
3015
3016 sub NeededFunction($$)
3017 {
3018 my ($fn,$needed) = @_;
3019 $needed->{"ndr_pull_$fn->{NAME}"} = 1;
3020 $needed->{"ndr_push_$fn->{NAME}"} = 1;
3021 $needed->{"ndr_print_$fn->{NAME}"} = 1;
3022 foreach my $e (@{$fn->{ELEMENTS}}) {
3023 $e->{PARENT} = $fn;
3024 NeededElement($e, $_, $needed) foreach ("pull", "push", "print");
3025 }
3026 }
3027
3028 sub NeededType($$$)
3029 {
3030 sub NeededType($$$);
3031 my ($t,$needed,$req) = @_;
3032
3033 NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
3034 NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "PIPE");
3035
3036 if ($t->{TYPE} eq "STRUCT" or $t->{TYPE} eq "UNION") {
3037 return unless defined($t->{ELEMENTS});
3038 for my $e (@{$t->{ELEMENTS}}) {
3039 $e->{PARENT} = $t;
3040 if (has_property($e, "compression")) {
3041 $needed->{"compression"} = 1;
3042 }
3043 NeededElement($e, $req, $needed);
3044 NeededType($e->{TYPE}, $needed, $req) if (ref($e->{TYPE}) eq "HASH");
3045 }
3046 }
3047 }
3048
3049 #####################################################################
3050 # work out what parse functions are needed
3051 sub NeededInterface($$)
3052 {
3053 my ($interface,$needed) = @_;
3054 NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
3055 foreach (reverse @{$interface->{TYPES}}) {
3056
3057 if (has_property($_, "public")) {
3058 $needed->{TypeFunctionName("ndr_pull", $_)} = $needed->{TypeFunctionName("ndr_push", $_)} =
3059 $needed->{TypeFunctionName("ndr_print", $_)} = 1;
3060 }
3061
3062 NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ndr_pull", $_)});
3063 NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ndr_push", $_)});
3064 NeededType($_, $needed, "print") if ($needed->{TypeFunctionName("ndr_print", $_)});
3065 if (has_property($_, "gensize")) {
3066 $needed->{"ndr_size_$_->{NAME}"} = 1;
3067 }
3068 }
3069 }
3070
3071 sub TypeFunctionName($$)
3072 {
3073 my ($prefix, $t) = @_;
3074
3075 return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
3076 $t->{TYPE} eq "TYPEDEF");
3077 return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
3078 return "$prefix\_$t";
3079 }
3080
3081 1;
reg import